CN108099528A - Top Crossbeam and vehicle - Google Patents
Top Crossbeam and vehicle Download PDFInfo
- Publication number
- CN108099528A CN108099528A CN201611063409.3A CN201611063409A CN108099528A CN 108099528 A CN108099528 A CN 108099528A CN 201611063409 A CN201611063409 A CN 201611063409A CN 108099528 A CN108099528 A CN 108099528A
- Authority
- CN
- China
- Prior art keywords
- top crossbeam
- front lining
- back bush
- inner tube
- mounting portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/04—Buffer means for limiting movement of arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
Abstract
The present invention provides a kind of Top Crossbeam and vehicle, the Top Crossbeam includes：Top Crossbeam body, the Top Crossbeam body include：Bushing mounting portion, ball pin mounting portion and the connecting portion for connecting the bushing mounting portion and ball pin mounting portion；Front lining and back bush, the front lining is arranged on the front of the back bush, and the front lining and the back bush are arranged in the bushing mounting portion.Top Crossbeam of the present invention is easy for installation, saves the operating time of assembling, improves production efficiency, reduces the operation difficulty of assembling.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of Top Crossbeam and vehicle.
Background technology
The structure of Top Crossbeam is generally " C " shape structure, and both ends open position is provided on rubber bushing and vehicle body or vehicle frame
Mounting structure be connected；But independent front and rear rubber bushing causes its installation fastening also to have opposite independence, is usually
Individual bolt is needed to carry out installation fastening, increases the workload and work difficulty of assembly manipulation.
The content of the invention
In view of this, the present invention is directed to propose a kind of Top Crossbeam, the Top Crossbeam is easy for installation, when saving the operation of assembling
Between, production efficiency is improved, reduces the operation difficulty of assembling.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of Top Crossbeam, including：Top Crossbeam body, the Top Crossbeam body include：Bushing mounting portion, ball pin mounting portion with
And the connecting portion for connecting the bushing mounting portion and ball pin mounting portion；Front lining and back bush, the front lining are arranged on
The front of the back bush, and the front lining and the back bush are arranged in the bushing mounting portion.
Further, the Top Crossbeam further includes：Ball pin, the ball pin are arranged in the ball pin mounting portion.
Further, the Top Crossbeam further includes：Dust cover, the lower end of the ball pin mounting portion are provided with dust cover ditch
Slot, the dust cover are fastened in the dust cover groove.
Further, multiple lightening grooves are provided on the connecting portion, multiple lightening grooves are arranged at intervals.
Further, it is provided with leakage hole on the lightening grooves.
Further, it is additionally provided with lightening hole on the connecting portion.
Further, the front lining includes：Front lining outer tube, front lining inner tube and it is arranged on the front lining outer tube
The front lining rubber layer between the front lining inner tube, the back bush include：Back bush outer tube, back bush inner tube and setting
Back bush rubber layer between bushing outer tube and the back bush inner tube in the rear.
Further, the outer end of the front lining outer tube is provided with front lining outer tube turnup structure, the front lining rubber
Layer at least partly covers the front lining outer tube turnup structure；The outer end of the back bush outer tube is provided with back bush outer tube flange
Structure, the back bush rubber layer at least partly cover the back bush outer tube turnup structure.
Further, the outer end of the preceding rubber layer is stretched out in the outer end of the front lining inner tube, the back bush inner tube
The outer end of the rear rubber layer is stretched out in outer end.
Further, the inner end of the front lining inner tube and the inner end of the back bush inner tube are both provided with chamfering structure,
And the interior end in contact of the inner end of the front lining inner tube and the back bush inner tube.
Further, the bushing mounting portion includes：First segment, second segment and it is connected to the first segment and second segment
Between the 3rd section, described 3rd section of outer diameter is less than the outer diameter of the first segment and second segment, and the internal diameter of the second segment is small
In first segment and the internal diameter of second segment；Wherein
Difference between described 3rd section of internal diameter and the outer diameter of the front lining inner tube is not less than the front lining rubber
The thickness of layer, the difference between described 3rd section of internal diameter and the outer diameter of the back bush inner tube are not less than the back bush rubber
The thickness of layer.
Further, the Top Crossbeam body is integrally formed part.
Further, the front outline of the Top Crossbeam body is recurvate curve, after the Top Crossbeam body
Contouring is straight line.
Compared with the prior art, Top Crossbeam of the present invention has the advantage that：
Top Crossbeam of the present invention, front lining and back bush are installed on bushing mounting portion, are not influencing its function
On the premise of only need can once fasten two bushings, save the operating time of assembling, improve production efficiency, reduce dress
The operation difficulty matched somebody with somebody.
Description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram in a direction of the suspension frame structure assembly described in the embodiment of the present invention；
Fig. 2 is the schematic diagram in another direction of the suspension frame structure assembly described in the embodiment of the present invention；
Fig. 3 is the schematic diagram in another direction of the suspension frame structure assembly described in the embodiment of the present invention；
Fig. 4 is sectional views of the Fig. 3 along A-A directions；
Fig. 5 is the schematic diagram of the Top Crossbeam described in the embodiment of the present invention；
Fig. 6 is the schematic diagram of the ball pin mounting portion described in the embodiment of the present invention；
Fig. 7 is the schematic diagram of the Top Crossbeam described in the embodiment of the present invention；
Fig. 8 is the schematic diagram of the bushing mounting portion described in the embodiment of the present invention；
Fig. 9 is the schematic diagram of the Top Crossbeam mounting structure described in the embodiment of the present invention；
Figure 10 is the explosive view of the Top Crossbeam described in the embodiment of the present invention and Top Crossbeam mounting structure；
Figure 11 is the schematic diagram of the first transverse arm mounting bracket described in the embodiment of the present invention；
Figure 12 is the schematic diagram of the vibration damper complement erection support described in the embodiment of the present invention.
Reference sign：
Suspension frame structure 1000,
Top Crossbeam 100,
Top Crossbeam body 110, bushing mounting portion 111, first segment 111a, second segment 111b, the 3rd section of 111c, ball pin installation
Portion 112, connecting portion 113, lightening grooves 101, leakage hole 102, lightening hole 103,
Front lining 120, front lining outer tube 121, front lining inner tube 122, front lining rubber layer 123, front lining outer tube flange
Structure 124,
Back bush 130, back bush outer tube 131, back bush inner tube 132, back bush rubber layer 133, back bush outer tube flange
Structure 134,
Ball pin 140, ball pin plastic lining seat 150, capping 160, dust cover 170,
Vibration damper complement 200,
First transverse arm mounting bracket 310 welds flange 311 on first, welds flange 312, the first mounting hole first time
301,
Vibration damper complement erection support 320, welded nut 321, front side wall 322, rear wall 323, roof 324 are strengthened turning over
Side structure 325, the second mounting hole 302, vibration damper complement through hole 303, master positioning hole 304, secondary location hole 305 fasten mounting hole
306,
Stay bolt 330, large washer 340, Top Crossbeam washer 350,
Drive shaft 400, lower cross arm 500,
Longeron 2000.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Use torsion-bar spring and the double transverse arms of spring strut compact in modern times riding vehicle and mini truck at present more
The shortcomings that suspension, above-mentioned torsion-bar spring and spring strut compact double wishbone suspension is：
The linear characteristic of torsion-bar spring determine its occupy arrangement space it is bigger, in the car portion arrange other zero
It can be subject to larger limitation during component, the transfer gear as 4 wheel driven vehicle is longitudinally arranged power assembly needs may be with torsion-bar spring
Arrangement conflict is generated, the planning of the structure constraint or power assembly of transfer gear is caused to be limited.Urging in arranging exhaust air system simultaneously
Torsion-bar spring can also be had adverse effect on due to its hot properties and coarse scale structures when parts by changing converter, even
It there is conflict in arrangement, the emission performance even power performance for causing vehicle is bad.
The linear characteristic of torsion-bar spring equally can also make its to rear view of vehicle extend length it is bigger, and in vehicle after
Generally there are the parts such as fuel tank in portion, and during complete automobile collision, the torsion bar of axial rigidity intensity super large understands serious threat to combustion
The safety of fuel tank.
The diameter and length of torsion-bar spring cause its weight bigger, then due to its necessary equipment adjustment accessory, it is right
The increase of the weight and amount of parts of vehicle is also bigger.
Since torsion-bar spring is connected with the bushing of rear side one end of lower cross arm by spline structure, all torques are logical
The rear side for crossing lower cross arm is transferred to knuckle, causes the Structural strength calls of lower cross arm to increase, weight can also increase.
Torsion-bar spring connects lower cross arm, and lower cross arm is caused to be no longer available for the adjustment of wheel alignment parameter, and because of each zero
The deviation of wheel alignment parameter caused by the processing of component and assembling deviation is the problem of certainly existing, so the task of adjustment again
It can only fall at the mounting structure of Top Crossbeam.Top Crossbeam is located at wheel upper inner, adjusts the visuality of its installation point and can grasp
The property made is subject to larger limitation, and it is also mostly, which to adjust operation, is realized by increasing and decreasing the gasket of different-thickness, is operated
Journey is discontinuous and extremely complex.
The connection of torsion-bar spring structure and suspension and vehicle frame is mostly to be rigidly connected, and lacks necessary rubber attenuating structure, road
The vibration in face etc. can be directly delivered in the main components such as vehicle frame and vehicle body, and the noise in railway carriage and vibration is caused to be compared
Greatly.
The compact double wishbone suspension of spring strut is compared due to the cramped construction in arrangement, the position of drive axle
Rigidity, determined by the power input point of wheel and the power takeoff point of front driving axle, drive axle must by wheel center,
And helical spring is also required to occupy certain space herein, causes drive shaft and bracket of shock absorber for front-wheel drive
There is conflict in (including preceding damper and elastic element), smaller upper and lower transverse arm arrangement drop causes damper in arrangement
Arrangement length closely as the length dimension required by its movement and structure, no extra dimensional structure avoids preceding driving
Axis by driving so the compact double wishbone suspension of spring strut is only used for the two of rear wheel drive in type.Four-wheel drive
The cross-country ability of getting rid of poverty of vehicle can be significantly increased, and this ability is very crucial sell for this vehicles of SUV
Point, application of the compact double wishbone suspension in SUV vehicles are restricted, and the vehicle competitiveness of product in market declines.
For this purpose, the present invention proposes a kind of suspension frame structure for vehicle, the suspension frame structure is by adjusting vibration damper complement
With the structure of Top Crossbeam, realize that compact double wishbone suspension also can be used in the vehicle of four-wheel drive, it is made to be opened up using vehicle
Width also avoids torsion-bar spring double wishbone suspension for the space hold in the middle part of vehicle and the influence to vehicle security, makes vehicle
Space in the middle part of can be used effectively, and increase other types power assembly suitability, improve the upgradability of vehicle, simultaneously
It reduces the weight of suspension parts and reduces its quantity, simplify suspension component structural.
The suspension frame structure 1000 for vehicle of the embodiment of the present invention is described below in detail.
As shown in Figs. 1-3, the suspension frame structure 1000 for vehicle according to embodiments of the present invention includes Top Crossbeam 100, subtracts
Shake device assembly 200 (including：Damper and elastic element) and lower cross arm 500.
Wherein, one end of lower cross arm 500 is rotatably arranged on the longeron 2000 of vehicle, the other end of lower cross arm 500
It is connected by knuckle with the wheel hub of wheel.
The lower end of vibration damper complement 200 is arranged on lower cross arm 500, and the upper end of vibration damper complement 200 is arranged on vehicle
On longeron 2000.In other words, damper is arranged between lower cross arm 500 and longeron 2000, when wheel is swung up and down, damper
Assembly 200 can absorb vibratory impulse energy so that vibration rapid decay.It is, of course, understood that vibration damper complement 200
It can be fixed on by fixing bracket on longeron 2000.
One end of Top Crossbeam 100 is rotatably arranged on the longeron 2000 of vehicle, and Top Crossbeam 100 is placed in vibration damper complement
It 200 rear and bends to avoid vibration damper complement 200 backward.
The Top Crossbeam 100 of the embodiment of the present invention be different from it is of the prior art on longeron there are two installation position upper horizontal stroke
Arm, the Top Crossbeam 100 of the embodiment of the present invention on longeron 2000 only there are one installation position, therefore overall structure is simple, can be with
Substantial amounts of space is reserved to vibration damper complement 200, and then the arrangement of vibration damper complement 200 is freer, avoids vibration damper complement
200 interfere with drive shaft 400.
Drive shaft 400 connects drive axle and wheel hub, and vibration damper complement 200 is arranged in the front of drive shaft 400, and slightly towards
Rear-inclined, the adjusting apparatus of wheel alignment parameter are arranged at former and later two fixed points of lower cross arm 500 and vehicle frame.
The upper end of vibration damper complement 200 can be fixed on the longeron 2000 of vehicle by vibration damper complement erection support 320
On, vibration damper complement erection support 320 is semi-surrounding bearing.Thus, it is possible to the upper end of vibration damper complement 200 is installed securely
On vibration damper complement erection support 320.
The Top Crossbeam 100 of the embodiment of the present invention is described below in detail and for fixing the Top Crossbeam of Top Crossbeam 100 installation knot
Structure.
The Top Crossbeam of double wishbone suspension is arranged in the upside of stub, is the control arm configuration of suspension, is very crucial zero
Component.It is connected generally by two bushings and vehicle body, vehicle frame or the stent that is fixed thereon, the other end is ball pin, on
Ball pin in transverse arm ball pin and the lower cross arm similar with Top Crossbeam structure forms virtual main pin, and wheel can turn around main pin
It is dynamic, vehicle is made to realize the function of turning to.
The structure of Top Crossbeam of the prior art is usually " C " shape structure, and both ends open position sets rubber bushing and vehicle
Mounting structure on body or vehicle frame is connected, and outside setting ball pin structure forms the upper control point of virtual stub.
The structure of Top Crossbeam body is generally metal plate punching welding structure or for cast structure, the rubber bushing of Top Crossbeam
General is two absolute construction of front and rear arrangement, the intermediate arrangement vibration damper complement of " C " shape Top Crossbeam, main purpose be in order to
It avoids the vibration damper complement being relatively large in diameter and realizes swing of the Top Crossbeam around busing axis, Top Crossbeam is made not produced with vibration damper complement
Raw movement interference phenomenon.
The shortcomings that present in current Top Crossbeam structure, has：
Welded structure makes that its geomery and position dimension holding capacity be not high, and precision is limited to metal plate punching again, for more
The problem of wheel alignment parameter deviation caused by mending its precision is larger is, it is necessary to design wheel alignment parameter adjustment mechanism to correct
Wheel position, these mechanisms increase the workload of assembling, reduce the reliability used；
Mach structure after casting, although its dimensional accuracy is controlled, similary curved " C " shape structure shape
Shape, stress is bad, and to reach defined rigidity and intensity, " C " shape structure needs more materials to be supplemented so that on
The weight and cost increase of transverse arm；
In addition, independent forward and backward rubber bushing, causes its installation fastening also to have opposite independence, usually needs
Individual bolt carries out installation fastening, increases the workload and work difficulty of assembly manipulation.
For this purpose, the present invention provides a kind of Top Crossbeam 100, which installs simple, conveniently, saves assembling
Working hour improves production efficiency and the difficulty of assembly manipulation.
As shown in Fig. 4-5 and Fig. 7-8, Top Crossbeam 100 according to embodiments of the present invention includes Top Crossbeam body 110, preceding lining
Set 120 and back bush 130.
As shown in figure 5, Top Crossbeam body 110 includes bushing mounting portion 111, ball pin mounting portion 112 and is served as a contrast for connecting
Cover the connecting portion 113 of mounting portion 111 and ball pin mounting portion 112, Top Crossbeam body 110 is integrally formed part.Front lining 120 is set
In the front of back bush 130, front lining 120 and back bush 130 are arranged in bushing mounting portion 111.
Unlike the prior art, front lining 120 and back bush 130 are no longer separately mounted on the longeron 2000 of vehicle, preceding
Bushing 120 and back bush 130 are installed in bushing mounting portion 111.
As shown in Figure 4 and Figure 8, Top Crossbeam 100 according to embodiments of the present invention, front lining 120 and back bush 130 are respectively mounted
On bushing mounting portion 111, only need once fasten two bushings on the premise of its function is not influenced, save assembling
Operating time improves production efficiency, reduces the operation difficulty of assembling.
The part in addition, the Top Crossbeam body 110 of the embodiment of the present invention is integrally formed, such as casting may be employed, into
And make it that there is larger advantage in terms of dimensional accuracy, also reduce the work of wheel alignment parameter adjustment to a certain extent
Amount.
As illustrated in figs. 5-7, the Top Crossbeam 100 of the embodiment of the present invention further includes ball pin 140, and ball pin 140 is arranged on ball pin peace
In dress portion 112.Ball pin 140 forms control point on the virtual stub of suspension in structure, for crucial part.The cloth of ball pin 140
There are an outer drift angles with the plane where Top Crossbeam body 110 for angle setting degree, in order in entire Suspension movement, make ball
The pivot angle of pin 140 is in the range of the limited permission pivot angle of ball pin mechanism.
As shown in fig. 6, ball pin 140 is placed to Top Crossbeam body 110 after being wrapped up by ball pin plastic lining seat 150
Ball pin mounting portion 112 in, capping is recycled 160 to be fixed in ball pin mounting portion 112.
Top Crossbeam body 110 is the structure that is machined again after casting, ball pin mounting portion 112 can by be machined come
Higher form accuracy and positional precision are obtained, its ball pin 140 and ball pin plastic lining seat 150 is made to be put into simultaneously from transverse arm top
In hole, the cavity injection lubricating grease between ball pin 140 and ball pin plastic lining seat 150, ball pin 140 is inside it around centre of sphere spot wobble
Or it rotates.Capping 160 is put into ball pin mounting portion 112 by one end of ball pin 140 again after ball pin 140 is put into, and passes through sleeving and riveting
Technique is fixed in ball pin mounting portion 112.
Top Crossbeam 100 further includes dust cover 170, and the lower end of ball pin mounting portion 112 is provided with dust cover groove, dust cover
170 can block to set and be fixed in dust cover groove, and then effectively prevent into impurity such as water, dust or silts in ball pin 140, until
Few service life for improving Top Crossbeam 100 to a certain extent.
The overall structure of Top Crossbeam body 110 is recurvate cast member, the front outline of Top Crossbeam body 110 be to
Curved curve afterwards, rear outline are straight line, and the position of front lining 120 is as far as possible forward, make ball pin 140 with front lining 120 whole
The longitudinal gap of vehicle is as small as possible, and the rear outline of the Top Crossbeam body 110 of rectilinear form can be to the full extent
Maximum rigidity and intensity are obtained while reducing materials'use.
As shown in figure 5 and figure 7, in some embodiments of the invention, multiple lightening grooves 101 are provided on connecting portion 113,
Multiple lightening grooves 101 are arranged at intervals.
As a result, the cross section of connecting portion 113 be multiple dies so that connecting portion 113 have enough rigidity and
On the premise of intensity, and its lighter weight.
In the specific example of the present invention, lightening grooves 101 are three, and the length directions of two of which lightening grooves 101 can be with
Substantially parallel with the length direction of connecting portion 113, thus the end face of the part where two lightening grooves 101 is double " work " font knots
Structure；Another lightening grooves 101 is set close to bushing mounting portion 111.
Leakage hole 102 is provided on lightening grooves 101, since the ball pin mounting portion 112 of Top Crossbeam 100 is compared with bushing mounting portion
111 position is low, therefore the leakage hole 102 on each lightening grooves 101 is set close to ball pin mounting portion 112.The meeting of lightening grooves 101 exists
Ponding can be generated during vehicle use, the presence of leakage hole 102 can leak out ponding, reduce the rust of Top Crossbeam body 110
Risk is lost, improves its service life.
In addition, being additionally provided with lightening hole 103 on connecting portion 113, lightening hole 103 can not influence Top Crossbeam body 110
Rigidity and intensity on the premise of reduce the weight of Top Crossbeam body 110.
As shown in Figure 4 and Figure 8, the front lining 120 of the embodiment of the present invention includes front lining outer tube 121, front lining inner tube 122
And the front lining rubber layer 123 between front lining outer tube 121 and front lining inner tube 122 is arranged on, back bush 130 includes backsight
Cover outer tube 131, back bush inner tube 132 and the back bush rubber being arranged between back bush outer tube 131 and back bush inner tube 132
Layer 133.
Rubber layer vulcanizes between bushing outer tube and bushing inner tube, and rubber layer can be completely filled in bushing outer tube and bushing
Between inner tube, certain rubber layer can also set cavity structure to adjust the axial torsion rigidity of bushing.
The outer end of front lining outer tube 121 is provided with front lining outer tube turnup structure 124, front lining outer tube turnup structure 124
Position-limiting action can be played when front lining 120 extend into bushing mounting portion 111.After the outer end of back bush outer tube 131 is provided with
Bushing outer tube turnup structure 134, back bush outer tube turnup structure 134 can be when back bush 130 extend into bushing mounting portion 111
Play position-limiting action.
In addition, front lining rubber layer 123 at least partly covers front lining outer tube turnup structure 124, thus Top Crossbeam 100 exists
It can prevent the fixing bracket of front lining outer tube 121 and Top Crossbeam 100 from generating directly rigidity and connecing during the power for bearing vehicle longitudinal direction
It touches, the direct rigid contact of fixing bracket generation of back bush outer tube 131 and Top Crossbeam 100, limits Top Crossbeam 100 and vehicle frame generates
Abnormal deformation and abnormal sound improve the quality of vehicle.
Specifically, Top Crossbeam body 110 is along the axial direction of bushing when moving, rubber layer (including：Front lining rubber layer
123 and back bush rubber layer 133) outer end may be between Top Crossbeam body 110 and vehicle frame, can buffer and upper horizontal stroke of decaying
The movement of arm body 110 in the axial direction prevents Top Crossbeam body 110 and vehicle frame from generating caused by rigid contact damage and different
It rings.
The outer end of front lining rubber layer 123 is stretched out in the outer end of front lining inner tube 122, and the outer end of back bush inner tube 132 is stretched out
The outer end of back bush rubber layer 134, the inner end of front lining inner tube 122 and the interior end in contact of back bush inner tube 132, in two bushings
The outer end of pipe can be fastened with the first transverse arm mounting bracket 310 and vibration damper complement erection support 320 respectively, and then two bushings
Relative motion will not occur for inner tube, while also keep the fixation compared with vehicle frame, and bushing is enable to bear Top Crossbeam 100 and is transferred
The power and torque by wheel to all directions vehicle frame.
Since the outer end of rubber layer is stretched out in the outer end of bushing inner tube, Top Crossbeam 100 can be ensured in pivoting
Rubber layer will not generate CONTACT WITH FRICTION with vehicle frame, prevent rubber layer from wearing, improve the reliability of rubber layer work.
The inner end of bushing inner tube is provided with chamfering structure, and the inner end of two bushing inner tubes is in contact with each other, thus installation axle (example
Such as, stay bolt 330) two bushing inner tubes can be easily passed through, improve production efficiency and the yield rate of parts.
In addition, front lining 120 and 130 structure of back bush can be identical, and then effectively prevent two bushings when mounted
Two bushing inner tubes misplace, and front lining 120 and back bush 130 are replaceable, improve front lining 120 and back bush 130
Production efficiency.
As shown in figure 5, in some embodiments of the invention, bushing mounting portion 111 includes first segment 111a, second segment
The outer diameter of 111b and the 3rd section of 111c being connected between first segment 111a and second segment 111b, the 3rd section of 111c are less than first
The outer diameter of section 111a and second segment 111b, the internal diameter of second segment 111b are less than the internal diameter of first segment 111a and second segment 111b.
That is, bushing mounting portion 111 is hierarchic structure, both ends high, middle low, both ends aperture is big, and median pore radius is small.
Bushing mounting portion 111 is ladder pipe, can be obtained by being machined, form accuracy and positional precision are higher, Neng Goubao
The interference uniformity of card and bushing outer tube improves the consistency of performance of product.
As shown in figure 8, in the inner end of the front lining inner tube 122 of the embodiment of the present invention and the 3rd section of 111c face, back bush
The inner end of pipe 132 and the 3rd section of 111c face.Difference between the internal diameter of 3rd section of 111c and the outer diameter of front lining inner tube 122 is not
Less than the thickness of front lining rubber layer, the difference between the internal diameter of the 3rd section of 111c and the outer diameter of back bush inner tube 132 is not less than
The thickness of back bush rubber layer.Thus, it is possible to ensure Top Crossbeam body 110 during exercise not with front lining rubber layer and back bush
Rubber layer contacts.
Vehicle according to embodiments of the present invention has the Top Crossbeam 100 of above-described embodiment, due to according to embodiments of the present invention
Vehicle be provided with above-mentioned Top Crossbeam 100, therefore vehicle assembling is simple, and production efficiency is significantly enhanced.
Front suspension generally uses double wishbone suspension or its distressed structure in current modern riding vehicle and mini truck
Such as McPherson suspension.The double wishbone suspension parts of separate frame construction are mounted on frame assembly, due to arrangement
Factor, the arrangement of spring strut is normally at the middle part of Top Crossbeam, and the forward and backward rubber bushing of Top Crossbeam is located at damper respectively
Front and rear portions with assembly (including damper and elastic element), by being welded in two independent stents either metal on vehicle frame
Casing is fixedly mounted Top Crossbeam structure.
Current Top Crossbeam has with preceding damper with main assemblage of spring in the shortcomings that mounting structure on vehicle frame：
Top Crossbeam mounting bracket is two independent stents, needs to carry out individual positioning welding when processing and welding,
The machining accuracy of welding is limited, and two stent relative deviations is caused to be not easily controlled；
Other Top Crossbeam mounting bracket requires Top Crossbeam to need to design independently installed large washer in design to limit
The displacement of Top Crossbeam processed simultaneously takes into account the insurance disconnecting prevention structure after rubber bushing failure, this large washer needs front and rear arrangement, assembled
It is sleeved in journey on stay bolt, assembling structure is complicated, inconvenient for operation, easy neglected loading；
In addition, the bridging arrangement of damper erection support and longitudinal beam is few, the forward and backward stent of Top Crossbeam cannot be to its shape
Into effective support reinforcing, support stiffness and intensity is not high；In addition Z of the stress point of Top Crossbeam mounting bracket away from longitudinal beam
Larger to drop, the torque of formation is also larger, and the rigidity and intensity requirement to longitudinal beam can improve.More than structure will such as meet
The material that same rigidity and intensity need can increase, and cause the increase of weight.
The above-mentioned mounting structure of Top Crossbeam and preceding damper with main assemblage of spring is excessive there are amount of parts, welding position
Put the problem of more, cause welding precision poor, it is yielding the problem of.
For this purpose, the present invention proposes a kind of Top Crossbeam mounting structure for vehicle.
As shown in figs. 9-10, Top Crossbeam mounting structure according to embodiments of the present invention can include the first transverse arm mounting bracket
310th, the second transverse arm mounting bracket and installation axle.
Wherein, the first transverse arm mounting bracket 310 is fixed on the longeron 2000 of vehicle, and the second transverse arm mounting bracket is also fixed
It is spaced apart on the longeron 2000 of vehicle and with the first transverse arm mounting bracket 310, one end of Top Crossbeam 100 is rotatably arranged in
In first transverse arm mounting bracket 310 and the second transverse arm mounting bracket, and pacify positioned at the first transverse arm mounting bracket 310 and the second transverse arm
Between filling stent, the both ends of installation axle through one end of Top Crossbeam 100 and installation axle are separately fixed at the first transverse arm mounting bracket
310 and second in transverse arm mounting bracket.
Second transverse arm mounting bracket can be independent parts, such as the second horizontal stroke with vibration damper complement erection support 320
Arm mounting bracket can be reclined or be weldingly fixed on vibration damper complement erection support 320；It is, of course, understood that the
Two transverse arm mounting brackets can also be integrally formed part with vibration damper complement erection support 320, i.e. the second transverse arm mounting bracket is
A part for vibration damper complement erection support 320, vibration damper complement erection support 320 are used as the second transverse arm mounting bracket.
The first transverse arm mounting bracket 310 is provided on the longeron of vehicle, one end of Top Crossbeam 100, which is rotatably arranged in, to be subtracted
It shakes on device assembly erection support 320 and the first transverse arm mounting bracket 310, and is placed in vibration damper complement erection support 320 and first
Between transverse arm mounting bracket 310.
It is arranged on described one end of the Top Crossbeam 100 between the first transverse arm mounting bracket 310 and the second transverse arm mounting bracket
For bushing mounting portion 111, the other end of Top Crossbeam 100 is the ball pin mounting portion 112 of Top Crossbeam 100.
Top Crossbeam mounting structure according to embodiments of the present invention, the both ends of installation axle through Top Crossbeam 100 and installation axle are consolidated
It is scheduled in the first transverse arm mounting bracket 310 and the second transverse arm mounting bracket so that Top Crossbeam body 110 is rotatably arranged in
Between one transverse arm mounting bracket 310 and the second transverse arm mounting bracket, and then can be that Top Crossbeam 100 provides firm support, simultaneously
Amount of parts and welding position are reduced, improves the positioning accuracy of Top Crossbeam 100, simplifies the assembling structure of Top Crossbeam 100.
It is understood that the second transverse arm mounting bracket of the embodiment of the present invention can be vibration damper complement erection support
320, thus vibration damper complement erection support 320 serve not only as the mounting structure of vibration damper complement 200, be also used as Top Crossbeam
100 one on longeron 2000 installation fixed point, another the installation fixed point of Top Crossbeam 100 on longeron 2000 are the
One transverse arm mounting bracket 310.
First transverse arm mounting bracket 310 and vibration damper complement erection support 320 can pacify described one end of Top Crossbeam 100
On vehicle rail 2000, while provide X for Top Crossbeam 100 and clamped and Y-direction (overall width direction), Z-direction (vehicle to (vehicle commander direction)
High direction) carrying strengthen, provide rigidity and the higher mounting structure of intensity for Top Crossbeam 100, and further reduce zero
Part and the quantity of welding position effectively increase the welding precision of Top Crossbeam mounting structure.
Specifically, welded nut 321 is provided on the outside of the second transverse arm mounting bracket, installation axle wears the installation of the first transverse arm
310 and second transverse arm mounting bracket of stent with welded nut 321 to coordinate.
More specifically, as shown in Fig. 4 and Figure 10, installation axle is stay bolt 330, is set in the first transverse arm mounting bracket 310
There is the first mounting hole 301, the second mounting hole 302, the installation of the first mounting hole 301, second are provided in the second transverse arm mounting bracket
Hole 302 is opposite to each other with welded nut 321, stay bolt 330 through the first mounting hole 301 and the second mounting hole 302 with welding
Nut 321 coordinates.
Described one end installation of Top Crossbeam 100 is very convenient as a result,.Stay bolt 330 can to pass through the first mounting hole 301,
122 and second mounting hole 302 of back bush inner tube 132 and front lining inner tube of Top Crossbeam 100, then fastens with welded nut 321,
By screwing stay bolt 330, front lining inner tube 122 and back bush inner tube 132 can be clamped so that outside back bush inner tube 132
The first transverse arm mounting bracket 310 is only supported at end, and the second transverse arm mounting bracket, front lining inner tube are only supported in the outer end of front lining inner tube 122
122 inner end and the inner end of back bush inner tube 132 are pressed against each other, and then relative motion will not occur for two bushing inner tubes.
Large washer 340,340 energy of large washer are provided between the bolt head of stay bolt 330 and the first transverse arm mounting bracket 310
The stress of enough scattered first transverse arm mounting bracket 310, improves its rigidity and intensity, while in 330 fastener cycle of stay bolt
It can prevent the relative rotation between 330 and first transverse arm mounting bracket 310 of stay bolt and destroy the electrophoretic paint layer of vehicle frame, so as to anti-
Only in the first transverse arm mounting bracket 310 stay bolt 330 head position local corrosion.In addition, large washer 340 can be welded and fixed
In the first transverse arm mounting bracket 310.
The embodiment of the present invention is using stay bolt 330 from back to front through the first transverse arm mounting bracket 310, Top Crossbeam 100
Two bushing inner tubes and the second transverse arm mounting bracket, and be fitted close with welded nut 321, axial pre tightening force can ensure to serve as a contrast
The connectivity robustness between inner tube and the first transverse arm mounting bracket 310 and the installation of the second transverse arm is covered, will not be produced relative sliding, and
The mounting means coordinated using stay bolt 330 and welded nut 321 also can effectively reduce assembly difficulty, improve production efficiency.
In some embodiments of the invention, as shown in figs. 9-10, it is provided with and welds on the inside of the second transverse arm mounting bracket
The Top Crossbeam washer 350 of 321 face of connected nut.When stay bolt 330 and welded nut 321 screw cooperation, front lining inner tube 122
Outer end be only against on Top Crossbeam washer 350, and it is indirect with the second transverse arm mounting bracket (for example, vibration damper complement installation branch
320) seat contacts, peptizaiton is in the stress of the second transverse arm mounting bracket.
As shown in figure 11, the first welding flange can be provided in the first transverse arm mounting bracket 310, the first welding flange is straight
It connects and is contacted with the longeron of vehicle 2000.First welding flange includes welding flange 311 and first time welding flange 312 on first,
It welds on first on the upper side wall for the longeron 2000 that flange 311 is fixed on vehicle and extends forward, first time welding flange 312 is solid
It is scheduled on the side wall of the longeron 2000 of vehicle and extends back.
Flange 311 and first time welding flange 312 are welded on first can improve the first transverse arm mounting bracket 310 and longeron
2000 bonding area so that the first transverse arm mounting bracket 310 is more securely.First welding flange and second welds prolonging for flange
Direction difference is stretched, the first transverse arm mounting bracket 310 can also be balanced, the first transverse arm mounting bracket 310 is installed more stable.
In addition, flange 311 and second time welding flange 312 are welded on first can provide Y, in Z-direction for Top Crossbeam 100
Rigidity and the higher structure of intensity, while be unlikely to too big in the upward rigidity of X that bolt clamps, can play and divide less as far as possible
Carry on a shoulder pole 330 axial pre tightening force of stay bolt, the effect that bushing inner tube is made more reliably to be compacted, while the first transverse arm mounting bracket 310
Functions of its X to displacement is limited with being provided after 330 collective effect of stay bolt for Top Crossbeam 100.
Further, the upper end of the first transverse arm mounting bracket 310 bends backwards that Top Crossbeam 100 is facilitated to be placed on the first horizontal stroke
Between 310 and second transverse arm mounting bracket of arm mounting bracket.The installation effectiveness of Top Crossbeam 100 is effectively increased as a result,.
Preferably, the second welding flange is provided in the second transverse arm mounting bracket, it is horizontal that the second welding flange can increase by second
Arm mounting bracket and the bonding area of longeron 2000 improve the stability of the second transverse arm mounting bracket.
As shown in figure 12, the vibration damper complement erection support 320 of the embodiment of the present invention includes front side wall 322, rear wall 323
And the roof 324 of connection front side wall 322 and rear wall 323, the second transverse arm mounting bracket are same zero with rear wall 323
Part.That is, the rear wall 323 on vibration damper complement erection support 320 is an installation fixed point of Top Crossbeam 100.
Further, vibration damper complement through hole 303 is provided on roof 324, damper is fixed in vibration damper complement 200
After on assembly erection support 320, the top of vibration damper complement 200 can be stretched out from vibration damper complement through hole 303.
Master positioning hole 304, secondary location hole 305 and fastening mounting hole 306, master positioning hole are additionally provided on roof 324
304th, secondary location hole 305 and fastening mounting hole 306 are arranged on around vibration damper complement through hole 303, and fastener can be to pass through
Master positioning hole 304, secondary location hole 305 and fastening mounting hole 306 install branch so that vibration damper complement 200 is fixed on vibration damper complement
On seat 320.
Wherein, the aperture in master positioning hole 304 is less than the aperture of fastening mounting hole 306, and secondary location hole 305 is slotted hole.It is main
The aperture of location hole 304 is smaller, it is ensured that the precise positioning of vibration damper complement 200, secondary location hole 305 are slotted hole, can be with
Vibration damper complement 200 is moved within the specific limits, reduces equipment difficulty, and the aperture for fastening mounting hole 306 is larger
It may insure that vibration damper complement 200 moves in the reasonable scope, reduce assembly difficulty, improve efficiency of assembling.
In the specific example of the present invention, the parts that installation point includes before Top Crossbeam 100 have vibration damper complement installation branch
Seat 320 and the first transverse arm mounting bracket 310, the Top Crossbeam washer 350 on vibration damper complement erection support 320, Top Crossbeam washer
350 stress that can disperse installation point can simultaneously carry out Top Crossbeam 100 /V of X-direction.
Vibration damper complement erection support 320 and Top Crossbeam washer 350 are welded together using electric welding or projection welding process, upper horizontal stroke
The through hole with 302 face of the second mounting hole is provided on arm washer 350, welded nut 321 is welded to vibration damping by projection welding process
On device assembly erection support 320.
In some embodiments of the invention, it is provided at vibration damper complement through hole 303 and strengthens turnup structure 325, is strengthened
Turnup structure 325 can improve the strength and stiffness of roof 324, it is ensured that roof 324 does not have excessive with perforate and causes roof
324 strength and stiffness cannot be met the requirements.
Vehicle according to embodiments of the present invention has above-mentioned Top Crossbeam mounting structure, due to according to embodiments of the present invention
Vehicle is provided with above-mentioned Top Crossbeam mounting structure, therefore the vehicle is easy for installation, stablizes, and improves the stability of vehicle.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (13)
1. a kind of Top Crossbeam (100), which is characterized in that including：
Top Crossbeam body (110), the Top Crossbeam body (110) include：Bushing mounting portion (111), ball pin mounting portion (112) with
And the connecting portion (113) for connecting the bushing mounting portion (111) and ball pin mounting portion (112)；
Front lining (120) and back bush (130), the front lining (120) are arranged on the front of the back bush (130), and institute
It states front lining (120) and the back bush (130) is arranged in the bushing mounting portion (111).
2. Top Crossbeam (100) according to claim 1, which is characterized in that further include：Ball pin (140), the ball pin
(140) it is arranged in the ball pin mounting portion (112).
3. Top Crossbeam (100) according to claim 2, which is characterized in that further include：Dust cover (170), the ball pin peace
The lower end in dress portion (112) is provided with dust cover groove, and the dust cover (170) is fastened in the dust cover groove.
4. Top Crossbeam (100) according to claim 1, which is characterized in that be provided with multiple subtract on the connecting portion (113)
Baking soda (101), multiple lightening grooves (101) are arranged at intervals.
5. Top Crossbeam (100) according to claim 4, which is characterized in that be provided with leakage hole on the lightening grooves (101)
(102)。
6. Top Crossbeam (100) according to claim 1, which is characterized in that be additionally provided with loss of weight on the connecting portion (113)
Hole (103).
7. Top Crossbeam (100) according to claim 1, which is characterized in that the front lining (120) includes：Outside front lining
It manages (121), front lining inner tube (122) and is arranged between the front lining outer tube (121) and the front lining inner tube (122)
Front lining rubber layer (123), the back bush (130) include：Back bush outer tube (131), back bush inner tube (132) and setting
Back bush rubber layer (133) between bushing outer tube (131) and the back bush inner tube (132) in the rear.
8. Top Crossbeam (100) according to claim 7, which is characterized in that the outer end of the front lining outer tube (121) is set
There is front lining outer tube turnup structure (124), the front lining rubber layer (123) at least partly covers the front lining outer tube flange
Structure (124)；The outer end of the back bush outer tube (131) is provided with back bush outer tube turnup structure (134), the back bush rubber
Glue-line (133) at least partly covers the back bush outer tube turnup structure (134).
9. Top Crossbeam (100) according to claim 8, which is characterized in that the outer end of the front lining inner tube (122) is stretched out
The outer end of the rear rubber layer is stretched out in the outer end of the preceding rubber layer, the outer end of the back bush inner tube (132).
10. Top Crossbeam (100) according to claim 7, which is characterized in that the inner end of the front lining inner tube (122) and
The inner end of the back bush inner tube (132) is both provided with chamfering structure, and the inner end of the front lining inner tube (122) with it is described after
The interior end in contact of bushing inner tube (132).
11. Top Crossbeam (100) according to claim 7, which is characterized in that the bushing mounting portion (111) includes：First
Section (111a), second segment (111b) and be connected between the first segment (111a) and second segment (111b) the 3rd section
(111c), the outer diameter of the 3rd section (111c) are less than the outer diameter of the first segment (111a) and second segment (111b), and described the
The internal diameter of two sections (111b) is less than the internal diameter of first segment (111a) and second segment (111b)；Wherein
Difference between the internal diameter of the 3rd section (111c) and the outer diameter of the front lining inner tube (122) is not less than the preceding lining
Cover the thickness of rubber layer (123), the difference between the internal diameter of the 3rd section (111c) and the outer diameter of the back bush inner tube (132)
Value is not less than the thickness of the back bush rubber layer (133).
12. Top Crossbeam (100) according to claim 1, which is characterized in that the Top Crossbeam body (110) is integrated into
Type part.
13. Top Crossbeam (100) according to claim 1, which is characterized in that the front wheel of the Top Crossbeam body (110)
Exterior feature is recurvate curve, and the rear outline of the Top Crossbeam body (110) is straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063409.3A CN108099528A (en) | 2016-11-25 | 2016-11-25 | Top Crossbeam and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063409.3A CN108099528A (en) | 2016-11-25 | 2016-11-25 | Top Crossbeam and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108099528A true CN108099528A (en) | 2018-06-01 |
Family
ID=62204699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611063409.3A Pending CN108099528A (en) | 2016-11-25 | 2016-11-25 | Top Crossbeam and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108099528A (en) |
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|---|---|---|---|---|
| CN1176189A (en) * | 1996-08-09 | 1998-03-18 | 丰田自动车株式会社 | Independent steering suspension having high longitudinal compliance with high caster angle stability |
| CN2705327Y (en) * | 2004-05-20 | 2005-06-22 | 绍兴索密克汽车配件有限公司 | Upward swing arm assembly for automobile |
| KR100667424B1 (en) * | 2005-09-29 | 2007-01-10 | 현대모비스 주식회사 | Sub full bump sustenance means of suspension in vehicle |
| DE102010043428A1 (en) * | 2010-11-04 | 2012-05-10 | Zf Friedrichshafen Ag | Wheel suspension unit for vehicle e.g. sports utility vehicle, has transverse control arm part connected with elastomer bearings in fixed manner, and another transverse control arm part connected with joint in fixed manner |
| CN204701405U (en) * | 2015-06-04 | 2015-10-14 | 荆州荆福汽车零部件有限公司 | A kind of arm axle connection structure of automotive suspension upper suspension arm |
| CN105856996A (en) * | 2016-03-30 | 2016-08-17 | 北京航天发射技术研究所 | Independent suspension system for super-heavy chassis |
-
2016
- 2016-11-25 CN CN201611063409.3A patent/CN108099528A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176189A (en) * | 1996-08-09 | 1998-03-18 | 丰田自动车株式会社 | Independent steering suspension having high longitudinal compliance with high caster angle stability |
| CN2705327Y (en) * | 2004-05-20 | 2005-06-22 | 绍兴索密克汽车配件有限公司 | Upward swing arm assembly for automobile |
| KR100667424B1 (en) * | 2005-09-29 | 2007-01-10 | 현대모비스 주식회사 | Sub full bump sustenance means of suspension in vehicle |
| DE102010043428A1 (en) * | 2010-11-04 | 2012-05-10 | Zf Friedrichshafen Ag | Wheel suspension unit for vehicle e.g. sports utility vehicle, has transverse control arm part connected with elastomer bearings in fixed manner, and another transverse control arm part connected with joint in fixed manner |
| CN204701405U (en) * | 2015-06-04 | 2015-10-14 | 荆州荆福汽车零部件有限公司 | A kind of arm axle connection structure of automotive suspension upper suspension arm |
| CN105856996A (en) * | 2016-03-30 | 2016-08-17 | 北京航天发射技术研究所 | Independent suspension system for super-heavy chassis |
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Hua Inventor after: Gu Shijie Inventor after: Tan Wei Inventor after: Wang Wendong Inventor before: Liu Hua Inventor before: Gu Shijie Inventor before: Tan Wei |
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Application publication date: 20180601 |
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