CN203844841U - Auxiliary frame of vehicle - Google Patents
Auxiliary frame of vehicle Download PDFInfo
- Publication number
- CN203844841U CN203844841U CN201420068461.8U CN201420068461U CN203844841U CN 203844841 U CN203844841 U CN 203844841U CN 201420068461 U CN201420068461 U CN 201420068461U CN 203844841 U CN203844841 U CN 203844841U
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- China
- Prior art keywords
- subframe
- retainer
- bearing
- arm
- vehicle
- 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.)
- Expired - Lifetime
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- 230000008878 coupling Effects 0.000 claims abstract description 28
- 238000010168 coupling process Methods 0.000 claims abstract description 28
- 238000005859 coupling reaction Methods 0.000 claims abstract description 28
- 229920001971 elastomer Polymers 0.000 claims description 23
- 230000008676 import Effects 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 9
- 239000013536 elastomeric material Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229920001195 polyisoprene Polymers 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 230000035558 fertility Effects 0.000 description 1
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- 230000008447 perception Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
Abstract
The utility model relates to an auxiliary frame (1) of a vehicle. The auxiliary frame (1) is detachably mounted on an upper structure (3) of the vehicle through coupling devices (2) by means of springs and dampers and comprises two retainers (4 and 5) on the left side, two retainers (17 and 18) on the right side and bearing sleeves (12) bearing the retainers (4, 5, 17 and 18), the retainers (4, 5, 17 and 18) are provided with longitudinal holes (6, 7, 19 and 20) extending axially respectively, the holes (6, 7, 19 and 20) are provided with inlets (8, 9, 21 and 22) and outlets (10, 11, 23 and 24) aiming at the coupling devices (2) respectively, the inlets (8, 9, 21 and 22) are formed outside the circle centers of the outlets (10, 11, 23 and 24) respectively, and the holes (6, 7, 19 and 20) in uninstalled states are in dissymmetric arrangement with respect to central axes in the longitudinal directions of the retainers (4, 5, 17 and 18).
Description
Technical field
The utility model relates to vehicle subframe and the purposes as the crossbeam vehicle frame in power actuated vehicle thereof.
Background technology
This subframe or assembling bracket are widely used, especially in the extensive automobile of manufacturing of modernization, because they can be at vehicle be otherwise that unaccommodated part builds bearing or other supporting-point, therefore (be for example particularly useful for wheel alignment arm, trailing arm, diagonal control arm or forks arm) rotating installation, and also fixing for drive assembly, that is, and engine gear box unit fixing.Subframe and its attached trailing arm, diagonal control arm or forks arm are usually designed to relative rigidity, because this is conducive to the driving dynamics of vehicle.By bearing, subframe couples with mode and the Vehicular upper-part structure of damping, and this bearing generally includes rubber elastic element, its be intended to help to eliminate drive cause, from the noise and vibration of vehicle interior.
The standard about noise abatement that customer requirement is more and more higher, the noise of for example propagating for air borne and vehicle body, and be transferred to the vibration of vehicle interior.In automotive field, the concussion that maybe can be perceived as vibration for noise of hearing in power actuated vehicle or machinery is called as " noise, vibration and the sound vibration roughness " of vehicle or machinery, or is abbreviated as " NVH ".The roughness here or sound vibration roughness refer to the transition range in 20Hz to 100Hz region, that no matter can listen or appreciable.Conventionally, the reason of NVH is that the part of power from soruce of vibration to vibration transmission medium imported into.Specifically, the reason of vibration is the normal self-excitation frictional vibration in vehicle, be called as stick-slip effect, the secondary action of itself or favourable friction or occur in solid friction unwelcomely, and cause the transmitting of the sound that vehicle body propagates and the airborne sound that finally can hear.The typical example of NVH is, for example, and squeaky braking sound, wiper Quiver, change speed gear box quack sound, slipping of clutch sound or come from the noise of the a/c system of vehicle.
In practice, this effect is assessed by automaker and supplier, is accepted by most client with risk and the guarantee product of evaluating complaint.For example, should consider, some vehicle noise is that the chaufeur of sport car is acceptable, and the chaufeur of car can be complained same noise.Therefore,, in the development process of automobile, an important task is to consider the NVH behavior of various systems, subsystem and the assembly of automobile in the planning stage, and the configuration of various system and assembly.Especially the buyer to the anticipated value of NVH behavior in continuous growth, therefore, the ability that system, subsystem and assembly and their interaction of vehicle are more and more perfect, and their minimizing noise, vibration and sound vibration roughness---it relates to the noise and vibration of client in the perception of vehicle interior institute---must be by constantly perfect.Therefore, with the least possible cost---, especially from reducing costs angle---improve NVH behavior naturally also very important.
For reduce in vehicle operating due to the vehicle by wheel and road surface contact or because the vibration of the mechanical assembly on chassis is transferred to noise, vibration and the sound vibration roughness of vehicle interior, the known device that has a lot of designs, it provides damper element on vehicle assembly, to absorb their characteristic oscillation in driving procedure.Therefore, for example, patent documentation EP0344405A2 discloses a kind of hydraulic damping rubber shaft bearing, and it comprises inner tube and concentric or spaced outer tube prejudicially, and rubber element between them, wherein, is provided with the chamber that is full of resisting medium.Further, on the surface of rubber element, be formed with retainer, it radially extends between inner and outer tubes.The noise that this retainer is used for the torsion that reduces the rubber shaft bearing that is in pretensioned state generates.The prestension of rubber shaft bearing for example can additionally change by axially inserting the chock of different-thickness, to be applicable to vehicle weight.Therefore, can produce different installation variants, wherein, only need a sulfurizing mould, it can be applicable to different vehicle type and classification.
Allow the resilient mounting for the working load of the dynamic change the installation of vehicle cab, driving engine connecting element etc. from known another of patent documentation GB2032054A.The elastic part of this fabricated section is to be formed by the sleeve of elastomeric material, its as distance piece between the outside of fabricated section and internal rigid element and be connected with outside and the internal rigid element of fabricated section.In order to adjust, that is, in order to change the pressure prestension of the fabricated section in no load state, sleeve is formed with the slit of longitudinal extension, and it extends through the whole longitudinal length of essence and at least circumference of half of sleeve of sleeve.By changing the size of outside and inner member, can reduce the spacing of element, like this, mutual opposed of the slit center in the subregion of slit contacts.The minimizing of element spacing can be changed, to provide necessary preloading, the reduction of element spacing can be set up simultaneously, to ensure that elastomeric material is always under clamp load, stops whereby the appearance of tensile force and produces improved supporting member service life.Known from GB2032054A, a preferred embodiment of fabricated section provides elastic spacing block, with control outside and inner member about each other on the axial direction of sleeve with vertical relative motion under the impact of working load, like this, in the time that fabricated section is under Dynamic Loading, it is the not impact of Tensile stress to a great extent, and this especially can cause fabricated section longer service life.
Patent documentation JP10047433A also discloses bearing case element, it is delivered to the topside of vehicle for reducing vibration by wheel at driving procedure, the bearing case element that has outside and inner cylinder and be arranged on the damping element of the rubber draft gear form between the two is connected with the chassis of vehicle by the common part that couples.The device known from JP10047433A, in order to make to couple element through forks arm and bearing case element, be necessary to provide hole in inner cylinder, extend its longitudinal direction transverse to bearing case element,, the case surface of longitudinal axis and columnar bearing case element intersects, wherein, in the bearing case element of an inner cylinder with heavy wall, hole is direction obliquely,, asymmetric about the lateral axis of inner cylinder, in other bearing case element, its mesopore is to arrange symmetrically about the lateral axis of inner cylinder simultaneously, and cylinder is formed with thin-walled.
From the also subframe of known a kind of NVH characteristic of improving vehicle of patent documentation JP8048262A.For the seat position extremely low and when seat position very near vehicle rear wheel above time improve the comfort level of seat, keep the subframe of trailing wheel to be connected pivotly by two bearing case elements with chassis, wherein, a bearing case element is axially connected with chassis,, on the longitudinal direction of the subframe under seat position, simultaneously other bearing case element transverse to the longitudinal direction of subframe be connected in a part for the subframe that deviates from seat position so that the impact of manoevreability and the vibration of subframe of the vehicle that makes to detract can be suppressed.Utilize the design of this subframe, especially, in the time that trailing wheel rotates on uneven road, can keep comfortable taking sensation and can therefore improve overall NVH behavior.
Patent documentation DE4142587A1 also discloses a kind of subframe, and it has: connected, for the forks arm of the front wheel suspension of vehicle; Front suspension arm bearing on direction of traffic, rear suspension arm bearing and the front suspension arm bearing with caoutchouc elasticity bearing element are spaced apart; And vertically extending bearing bolts, its rigidity is screwed to subframe, and it is also preferred for subframe to be fixed to Vehicular upper-part structure.Front suspension arm bearing is formed as radial bearing in common mode, and rear suspension arm bearing is vertically orientated and be arranged on subframe by vertical orientated bearing bolts pivoting, for can pivotable installing of forks arm, and wherein, bearing bolts is for being fixed on Vehicular upper-part structure by subframe.By this configuration and the design of suspension arm bearing, in the head-on crash of vehicle, in longitudinal direction of car direction, forks arm separates from subframe in rear suspension arm bearing region temporarily, to form longitudinal spring effect, it is considerably beyond the scope of the common longitudinal spring effect of traditional caoutchouc elasticity suspension arm bearing.
Be mounted to the auxiliary frame structure of Vehicular upper-part structure for improving NVH characteristic and improving the driving comfort of vehicle from known another of patent documentation KR20080054455A.This auxiliary frame structure comprise spring, the first electromagnet, bearing lining, retainer, the second electromagnet and for separating of with the extra unit of interval retainer.Attached the first electromagnet of bearing lining is for compressing the spring of subframe bottom, and the second electromagnet separates for pivotable and the unit of interval retainer, and is arranged in the perimeter of the upper end of this subframe.After patent documentation KR20080054455A, describe a kind of for subframe being coupled to Vehicular upper-part structure to improve the electromagnetic damping bearing of NVH behavior.
Finally, patent documentation KR20110060540A has described a kind of subframe for automobile and manufacture method thereof, its NVH characteristic for improvement of vehicle and fault behavior thereof.As described in patent documentation KR20110060540A, this is that the manufacture of the subframe by having foamed aluminum-core realizes, its material behavior is determined by tackifier and foaming agent, tackifier and foaming agent are to add in the manufacturing process of aluminum melt, and, after in forming foam and being expelled to mould, cooling fast in subsequent process steps
Utility model content
The utility model is based on manufacturing a kind of target for having the different vehicle type of different driving dynamics and the subframe of classification, it improves the NVH performance of vehicle and can realize by simple assembly method, that is, there is simple structure, and therefore can manufacture economically.
This target is that the subframe for vehicle by having following characteristics is realized.Favourable improvement of the present utility model and embodiment provide in following part.
Should indicate, the feature of listing separately in following specification sheets can be with arbitrarily, reasonable manner mutually combines technically, and provide further improvement of the present utility model.In addition this specification sheets,---particularly by reference to the accompanying drawings---characterizes and describes in detail the utility model.
According to the utility model, a kind of subframe for vehicle, it removably remains on Vehicular upper-part structure in the mode of spring and damping by coupling device, this subframe for vehicle has respectively two elastomeric stopper in left side and right side, each retainer has the hole extending axially by longitudinal direction, this hole has for the import of coupling device and outlet, and this subframe for vehicle also has the bearing lining of accepting this retainer, wherein, import is formed on the outside in the outlet center of circle, and wherein, the hole of installing condition does not arrange asymmetrically about the central axis on the longitudinal direction of retainer.By import being placed in to the outside in the outlet center of circle,, by forming the eccentric configuration in hole of import and outlet, and by hole the asymmetric position about the axis vertical direction of retainer and bearing lining,, be in the case surface inside around retainer and bearing lining, the prestension of the elastomeric stopper in the bearing lining of subframe can change, this be because, especially in the time that subframe is installed in Vehicular upper-part structure, this hole is pushed to the symmetric position about the axis vertical direction of retainer by coupling device, and this position is in its case surface.Consequently, the elastomeric stopper in subframe stands prestension.Therefore the prestension of elastomeric stopper can change about the asymmetric position of the axis vertical direction of retainer by the hole that changes them, and this realizes by material property, for example, and various rubber compositions, and/or realize by the eccentric direction in hole.Therefore do as a wholely, the degree of the predetermincd tension of subframe can change.The predetermincd tension of subframe is the reason of its natural frequency clearly, and is also the reason of its characteristic oscillation, so by changing described parameter, the NVH characteristic of subframe can be conditioned about its natural frequency and characteristic oscillation.Therefore, for example, for the vehicle of Different Weight, utilize for example same rubber shaft bearing can realize different engineering factor, this is by the variable prestension of retainer, realizes about eccentric position each other by changing hole, and realize about the variable asymmetric position of the axis vertical direction of retainer by hole, by subframe is installed on to Vehicular upper-part structure by coupling device, the variable asymmetric position in this hole is directed to the symmetric position about the axis vertical direction of retainer and bearing lining by power.Therefore, can produce in principle different variants, wherein, only need a sulfurizing mould, this be because, the prestension that is mounted to Vehicular upper-part structure be due to the difference in retainer towards hole and in the time that Vehicular upper-part structure is installed coupling device hole is guided caused to the power at the symmetric position place of the axis vertical direction about retainer.
Brief description of the drawings
Describe the utility model in detail by reference to the example embodiment shown in accompanying drawing below.As can be seen here:
Fig. 1 represents to have the birds-eye view of the subframe of each two retainers in left side and right side that are configured in bearing lining;
The exploded drawings of the cross-sectional plane along line (5)-(5 ') of subframe shown in Fig. 2 presentation graphs 1; With
Fig. 3 represents and subframe shown in Vehicular upper-part structure Fig. 2 in installing condition.
Reference numerals list
1 according to subframe of the present utility model
2 coupling devices
3 Vehicular upper-part structures
4 elastomeric stopper
5 elastomeric stopper
Hole in 6 retainers 4
Hole in 7 retainers 5
The import in 8 holes 6 for coupling device
The import in 9 holes 7 for coupling device
The outlet in 10 holes 6 for coupling device
The outlet in 11 holes 7 for coupling device
12 bearing linings
13 packing rings
The fabricated section of 14 Vehicular upper-part structures
The 15 front suspension arm bearings for diagonal control arm, forks arm or trailing arm
The 16 rear suspension arm bearings for diagonal control arm, forks arm or trailing arm
17 elastomeric stopper
18 elastomeric stopper
The hole of 19 retainers 17
The hole of 20 retainers 18
The import in 21 holes 19 for coupling device
The import in 22 holes 20 for coupling device
The outlet in 23 holes 19 for coupling device
The outlet in 24 holes 20 for coupling device
Detailed description of the invention
In different accompanying drawings, identical parts have identical Reference numeral all the time, so conventionally only describe once.
Subframe 1 shown in Fig. 1 for example can be served as the driving assembly (not shown) of power actuated vehicle or the bracket of driving engine and transmission unit (not shown), or as a part for other conventional independent wheel suspension of the front or rear wheel of passenger vehicle, or as the part of front or rear wheel that is equipped with electric wheel wheel hub electric motor.Subframe 1 extends to the larger region of vehicle width, at least widely can be arranged on subframe 1 by suspension arm bearing 15 and 16 to the left side of suspension and the forks arm on right side, trailing arm or the diagonal control arm that are used in vehicle.Therefore, subframe 1 is as stable element and improve the driving dynamic characteristics of vehicle.Also therefore, installation unit is created, that is, the wheel alignment arm of vehicle both sides can be contained on subframe 1 in advance, and the assembly producing can be done as a wholely in an algorithm, to be arranged on Vehicular upper-part structure in vehicle fitting process.Based on this, subframe 1 has symmetrically arranged bearing case or bearing lining 12 or is at least the receiver member for these form of grooves.Traditional bearing case, bearing lining 12 or receiver member has round-shaped, and this is because bearing is generally cylindrical.Forks arm, diagonal control arm or trailing arm are pivotably mounted on subframe 1 by the front suspension arm bearing 15 on travel direction and rear suspension arm bearing 16 with interval.Two bearings comprise the elastomeric suspension arm bearing with being preferably caoutchouc elasticity conventionally.Suspension arm bearing 15 and 16 can be formed as radially or vertical bearing.Advantageously, front suspension arm bearing 15 is formed as radial bearing and rear suspension arm bearing 16 is formed as vertical bearing.
Front bearing lining and rear bearing bushing 12 with interval are parallel to front and rear suspension arm bearing 15 and 16 ground and are arranged on every side of subframe, and be formed with elastomeric spring and damping bearing together with elastomeric stopper 4,5,17,18, to be mounted to Vehicular upper-part structure 3.The configured in parallel of bearing lining 12 and suspension arm bearing 15 and 16, allow vibration and the vibration optimum transfer to subframe, this vibration and vibration are delivered to suspension arm bearing 15 and 16 from the wheel of vehicle in driving procedure, and this configured in parallel allows the absorption to this vibration and vibration by subframe, these vibration and oscillations are isolated from Vehicular upper-part structure in the region of bearing lining 12 by elastomeric stopper 4,5,17,18.Conventionally, resilient spring and damping bearing are caoutchouc elasticity bearings, and it is particularly suited for eliminating the noise being caused by road and/or vibrating from vehicle interior.Resilient spring and damping bearing are designed as the bearing of vertical direction, its vertical coupling device 2---for example, vertical bearing bolts or bearing screw---fix for subframe 1 to the detachable of Vehicular upper-part structure 3.
Subframe is as shown in Figure 2 shown along the cross-sectional plane of (5)-(5 ') of the line shown in Fig. 1, bearing lining 12 is cylinder form, its central axis is placed symmetrically about the central axis on the longitudinal direction of the fabricated section 14 of Vehicular upper-part structure 3, and extends through the whole height of subframe 1.With the central axis in the hole 6 and 19 of elastomeric stopper 4 and 17 by contrast, in order to be directed in the left side bearing lining 12 of subframe 1 coupling element 2 in import 8 and 21, import 8 and 21 is set up the right side being positioned at about the central axis along line of reference (A)-(A ') longitudinal direction, and the outlet 10 and 23 in hole 6 and 19 is positioned at the left side about the central axis along line of reference (A)-(A ') longitudinal direction, therefore, extend through the hole 6 and 19 of retainer 4 and 17, tilt from left to right and down extend about the central axis of the longitudinal direction of retainer 4 and 17.With the central axis in the hole 7 and 20 of elastomeric stopper 5 and 18 by contrast, , in order to be directed in the right side bearing lining 12 of subframe 1 coupling element 2 in import 9 and 21, import 9 and 21 is set up the left side being positioned at about the central axis along line of reference (B)-(B ') longitudinal direction, and the outlet 11 and 24 in hole 7 and 20 is positioned at the right side about the central axis along line of reference (B)-(B ') longitudinal direction, therefore, extend through the hole 7 and 20 of retainer 5 and 18, tilt to rise from left to right about the central axis of the longitudinal direction of retainer 5 and 18 and extend.This allows the reverse prestension of front elastomeric stopper 4 and 5, and this front elastomeric stopper 4 and 5 is transverse to travel direction ground, placement relative to one another, and rear elastomeric stopper 17 and 18 is also like this.Naturally also can form the reverse prestension of rear elastomeric stopper and front elastomeric stopper, and the prestension of diagonal angle or intersection.Hole can predefine by corresponding mould in the curing process of elastomeric stopper 4,5,17 and 18, or after curing process by punching in elastic body, holing or burning till predefines.If use the mould in predefined hole in elastomeric stopper curing process, advantageously, if elastomeric stopper has the shape of proximate mirror symmetry in a longitudinal direction, or in a particularly advantageous embodiment, be cylinder form, so that it can easily rotate transverse to longitudinal axis according to the direction of prestension, whereby, the hole that is tilted to downward-extension becomes the upwardly extending hole that tilts,, predetermincd tension acts on contrary direction.Can change prestension about the asymmetric position of the central axis on the longitudinal direction of retainer by hole, that is, and predetermincd tension.In Fig. 2,6,7,19 and 20 positions about the central axis on the longitudinal direction of retainer, hole, deviate from respectively between 10 ° and 15 ° of central axis on longitudinal direction and between-10 ° and-15 °.Nature, by making hole 6, 7, 19 and 20 from retainer 4, 5, center axis deviation on 17 or 18 longitudinal direction is greater than or less than the angle of 0 °, , reach departing from of central axis+45 from the longitudinal direction of retainer ° or-45 ° from departing from of+0.1 ° or-0.1 °, in the time that retainer is mounted to Vehicular upper-part structure 3, the prestension of the symmetric force guiding by the central axis on the longitudinal direction about retainer and the retainer causing by coupling device 2 mounting vehicle topsides, it can change neatly in the situation that retainer is made up of same elastomeric material.Nature, the retainer 4,5,17 or 18 shown in Fig. 2 and 3 also can change about their material property.Conventionally,, in auto trade, the bearing element with vibration and noise absorptive character is manufactured by rubber or rubber composition.Rubber or rubber composition can comprise natural rubber or industrial rubber or rubber composition, or the composite of natural rubber and industrial rubber or rubber composition.
The coupling device 2 that shows the form of bearing bolts or bearing screw in Fig. 2 and 3 below the elastomeric stopper 4,5,17 and 18 of describing, its side at the fabricated section 14 that deviates from Vehicular upper-part structure 3 has sheet end.The length of bolt is resized, like this, its can or be pressed into by form fit coordinate through retainer 4 and 5 and subframe 1 be connected to the fabricated section 14 of Vehicular upper-part structure 3.Passing retainer 4,5,17 and 18 with before being fixed to the fabricated section of Vehicular upper-part structure 3, packing ring 13 form of adapter ring, pad or that be particularly advantageously the form of spring washer is placed on the bolt of coupling device 2, the position between its head at coupling device and retainer 4,5,17 and 18 bottoms.
From Fig. 3, can obviously find out, by being guided through the coupling device 2 in hole 6,7,19 and 20, the hole 6,7,19 and 20 that the inclination of retainer 4,5,17 and 18 is extended shown in figure 2 before is now guided by symmetrical soil fertility about the central axis on the longitudinal direction of bearing lining 12 and fabricated section 14, it causes the prestension of elastomeric stopper 4,5,17 and 18, and therefore causes the prestension of subframe 1.From Fig. 3, can obviously find out, Vehicular upper-part structure 3 is only positioned on subframe 1 in the region of retainer 4,5,17 and 18.Preferably, this fabricated section is formed as the spike of the disc-shaped of Vehicular upper-part structure, so that the large contact surface of trying one's best between maintenance Vehicular upper-part structure and retainer distributes with the optimum pressure load that realizes retainer.This pressure load is applied to the whole face of cylinder of retainer best.Also as shown in Figure 3, the pressure of retainer 4,5,17 and 18 inside, along the central axis on the longitudinal direction of bearing lining 12 and fabricated section 14 downwards away from Vehicular upper-part structure 3 with towards the head of coupling device 2 and reduce.Dark grey region in retainer 4,5,17 and 18 is in the high pressure load of this sign elastomeric material, and light gray areas characterizes the region of the retainer elastomeric material with lower pressure load.The prestension of arrow 9 vice vehicle frames, it can arrange by said method, and is very important for its natural frequency and characteristic oscillation and service life thus.
Claims (21)
1. a subframe for vehicle (1), it is characterized in that, it is removably mounted on Vehicular upper-part structure (3) in the mode of spring and damping by coupling device (2), be included in two retainers (4 in left side, 5) with at two retainers (17 on right side, 18) and accept retainer (4, 5, 17, 18) bearing lining (12), each retainer has the hole (6 extending axially through longitudinal direction, 7, 19, 20), hole (6, 7, 19, 20) there is the import (8 for coupling device (2), 9, 21, 22) and outlet (10, 11, 23, 24), wherein, import (8, 9, 21, 22) be formed at outlet (10, 11, 23, 24) outside in the center of circle, and the not hole (6 of installing condition, 7, 19, 20) about retainer (4, 5, 17, 18) central axis of longitudinal direction arranges asymmetrically.
2. subframe according to claim 1 (1), it is characterized in that, coupling device (2) is bearing bolts or the bearing screw with head, it has the packing ring (13) that is in retainer (4,5,17,18) downside at head end, and it coordinates by form in one end contrary with head end or is pressed into the fabricated section (14) being connected in Vehicular upper-part structure.
3. subframe according to claim 1 (1), is characterized in that, retainer (4,5,17,18) comprises elastomeric material.
4. subframe according to claim 2 (1), is characterized in that, retainer (4,5,17,18) comprises elastomeric material.
5. subframe according to claim 3 (1), is characterized in that, elastomeric material is rubber.
6. subframe according to claim 4 (1), is characterized in that, elastomeric material is rubber.
7. according to the subframe (1) described in above-mentioned any one claim, it is characterized in that, the elastomeric stopper (4,5,17,18) of rubber forms rubber shaft bearing together with bearing lining (12).
8. according to the subframe (1) described in any one in claim 1-6, it is characterized in that, rubber shaft bearing (12) and retainer (4,5,17,18) are cylindrical shapes.
9. subframe according to claim 7 (1), is characterized in that, rubber shaft bearing (12) and retainer (4,5,17,18) are cylindrical shapes.
10. according to the subframe (1) described in any one in claim 1-6, it is characterized in that, Vehicular upper-part structure (3) is positioned in retainer (4,5,17, the 18) region of subframe (1).
11. subframes according to claim 7 (1), is characterized in that, Vehicular upper-part structure (3) is positioned in retainer (4,5,17, the 18) region of subframe (1).
12. subframes according to claim 8 (1), is characterized in that, Vehicular upper-part structure (3) is positioned in retainer (4,5,17, the 18) region of subframe (1).
13. subframes according to claim 9 (1), is characterized in that, Vehicular upper-part structure (3) is positioned in retainer (4,5,17, the 18) region of subframe (1).
14. according to the subframe (1) described in any one in claim 1-6, it is characterized in that, at least one diagonal control arm, forks arm or trailing arm are connected with subframe (1) by bearing lining.
15. subframes according to claim 7 (1), is characterized in that, at least one diagonal control arm, forks arm or trailing arm are connected with subframe (1) by bearing lining.
16. subframes according to claim 8 (1), is characterized in that, at least one diagonal control arm, forks arm or trailing arm are connected with subframe (1) by bearing lining.
17. subframes according to claim 9 (1), is characterized in that, at least one diagonal control arm, forks arm or trailing arm are connected with subframe (1) by bearing lining.
18. subframes according to claim 10 (1), is characterized in that, at least one diagonal control arm, forks arm or trailing arm are connected with subframe (1) by bearing lining.
19. subframes according to claim 11 (1), is characterized in that, at least one diagonal control arm, forks arm or trailing arm are connected with subframe (1) by bearing lining.
20. subframes according to claim 12 (1), is characterized in that, at least one diagonal control arm, forks arm or trailing arm are connected with subframe (1) by bearing lining.
21. subframes according to claim 13 (1), is characterized in that, at least one diagonal control arm, forks arm or trailing arm are connected with subframe (1) by bearing lining.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013202501.7 | 2013-02-15 | ||
| DE102013202501 | 2013-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203844841U true CN203844841U (en) | 2014-09-24 |
Family
ID=51264083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068461.8U Expired - Lifetime CN203844841U (en) | 2013-02-15 | 2014-02-17 | Auxiliary frame of vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203844841U (en) |
| DE (1) | DE102014201619A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2032054B (en) | 1978-10-11 | 1982-12-08 | Dunlop Ltd | Resilient mountings |
| DE3346665A1 (en) | 1983-12-23 | 1985-07-04 | Lemförder Metallwaren AG, 2844 Lemförde | ELASTIC BEARING WITH FORCED GUIDE |
| DE3613123A1 (en) | 1986-04-18 | 1987-10-29 | Lemfoerder Metallwaren Ag | Elastic pivot-slide bearing for chassis parts in motor vehicles |
| DE3818287A1 (en) | 1988-05-30 | 1989-12-07 | Boge Ag | HYDRAULIC DAMPING RUBBER BEARING |
| DE4142587C2 (en) | 1991-01-14 | 2000-04-20 | Volkswagen Ag | Subframe with pivoting wishbones |
| JP3350599B2 (en) | 1994-08-08 | 2002-11-25 | 本田技研工業株式会社 | Sub-frame mounting structure |
| JPH1047433A (en) | 1996-08-01 | 1998-02-20 | Toyoda Gosei Co Ltd | Suspension bushing |
| KR20080054455A (en) | 2006-12-13 | 2008-06-18 | 현대자동차주식회사 | Subframe mount structure |
| DE102008006006B4 (en) | 2008-01-25 | 2023-12-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Subframe |
| KR101509807B1 (en) | 2009-11-30 | 2015-04-06 | 현대자동차주식회사 | Sub-frame of engine and manufacturing method of said it |
-
2014
- 2014-01-30 DE DE201410201619 patent/DE102014201619A1/en active Pending
- 2014-02-17 CN CN201420068461.8U patent/CN203844841U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014201619A1 (en) | 2014-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
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| CX01 | Expiry of patent term |