CN109808768A - Virtual stub, automotive suspension and automobile - Google Patents
Virtual stub, automotive suspension and automobile Download PDFInfo
- Publication number
- CN109808768A CN109808768A CN201910061577.6A CN201910061577A CN109808768A CN 109808768 A CN109808768 A CN 109808768A CN 201910061577 A CN201910061577 A CN 201910061577A CN 109808768 A CN109808768 A CN 109808768A
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- interconnecting piece
- swing arm
- connecting pin
- pin
- knuckle
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- 239000000725 suspension Substances 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 12
- 239000004519 grease Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 9
- 210000002445 nipple Anatomy 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000003921 oil Substances 0.000 description 39
- 238000010586 diagram Methods 0.000 description 13
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The present invention provides a kind of virtual stub, automotive suspension and automobile.The virtual stub includes: knuckle, and knuckle includes upper swing arm interconnecting piece and lower swing arm interconnecting piece；Upper swing arm is installed on upper swing arm interconnecting piece by connecting pin, connecting pin, and lower swing arm is installed on lower swing arm interconnecting piece by connecting pin；Wherein, two connecting pins are opposite installs；The axis of two connecting pins is overlapped, and axis has stub drift angle.Stub of the invention be it is virtual, the axis of two opposite connecting pins replaces stub, and the intensity of connecting pin is high, thus the intensity of virtual stub is high, and being adaptable to 4.5 tons or more suspensions uses, and the virtual stub is there are stub drift angle, and when Vehicular turn is easy to back just.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of virtual stub, automotive suspension and automobile.
Background technique
Stub is used to connect knuckle and the swing arm of automotive suspension, Kingpin inclination, to prevent running car and brake sideslip,
And when being turned round after wheel steering, turned round centered on stub, the gravity of such automobile itself, which has, makes steered wheel be returned to original
Carry out the effect in middle position, thus steering wheel is resetted and is easy.
Existing stub intensity is low, is only adapted to low tonnage, and during motor turning, and existing hinge turns to
It is poor to return positive ability, can not achieve vehicle and flexibly turn to.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of virtual stub, which includes:
Knuckle, knuckle include upper swing arm interconnecting piece and lower swing arm interconnecting piece；
Upper swing arm is installed on upper swing arm interconnecting piece by connecting pin, connecting pin, and lower swing arm is installed on lower swing arm and connected by connecting pin
Socket part；
Wherein, two connecting pins are opposite installs；The axis of two connecting pins is overlapped, and axis has stub drift angle.
Further, connecting pin includes knuckle interconnecting piece and swing arm interconnecting piece；
The end of knuckle interconnecting piece is provided with threaded portion and split pin mounting hole；
Swing arm interconnecting piece offers pin shaft hole.
Further, the upper swing arm interconnecting piece of knuckle and lower swing arm interconnecting piece offer connecting pin mounting hole, connection
The knuckle interconnecting piece of pin is installed on connecting pin mounting hole by the first bearing and second bearing being coaxially disposed.
Further, the threaded portion installation hexagonal opening nut of knuckle interconnecting piece is fixed, split pin mounting hole peace
Dress split pin is to fix hexagonal opening nut.
Further, connecting pin mounting hole includes arrival end and outlet end, at arrival end and outlet end, connecting pin and company
The oil seal ring to seal bearing is provided between outbound mounting hole.
Further, oil seal ring includes:
Internal ring portion, internal ring portion are abutted with connecting pin；
Outer portion, outer portion are abutted with the inner wall of connecting pin mounting hole；With
Interconnecting piece, interconnecting piece connect the internal ring portion and outer portion；
Wherein, there are hollow rings between internal ring portion and outer portion.
Further, washer is additionally provided between the connecting pin and oil seal ring at outlet end.
Further, washer includes:
Sleeve part, sleeve part are sheathed on the outer surface of connecting pin；With
End plate, end plate are radially extended along sleeve part.
Further, upper swing arm and lower swing arm are provided with the opposite pin shaft stomidium opened up；
The pin shaft hole of the swing arm interconnecting piece of connecting pin is passed through in the middle part of pin shaft, the both ends of pin shaft are installed on pin by 3rd bearing
Stub bore.
Further, pin shaft stomidium one end opposite with swing arm interconnecting piece is provided with oil seal ring and oil seal spacer ring, the other end
It is provided with limit end cap or blanking cover.
Further, it limits end cap and blanking cover is mounted on grease nipple.
Further, limit end cap is threadedly coupled with pin shaft stomidium, and locking by bolt and spring washer circle.
The embodiments of the present invention also provide a kind of automotive suspension, which includes above-mentioned virtual stub.
The embodiments of the present invention also provide a kind of automobile, which includes above-mentioned automotive suspension.
From the above technical scheme, stub of the invention is virtual, and the axis of two opposite connecting pins replaces master
The intensity of pin, connecting pin is high, thus the intensity of virtual stub is high, and being adaptable to 4.5 tons or more suspensions uses, and the virtual master
There are stub drift angle, when Vehicular turn, is easy to back just pin.
Detailed description of the invention
Only illustratively description and explain the present invention for the following drawings, not delimit the scope of the invention.
Fig. 1 is the virtual stub structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the portion A structural schematic diagram in Fig. 1 of the embodiment of the present invention.
Fig. 3 is the portion B structural schematic diagram in Fig. 1 of the embodiment of the present invention.
Fig. 4 is knuckle partial schematic diagram in Fig. 2 of the embodiment of the present invention.
Fig. 5 is the upper swing arm of the embodiment of the present invention and the connection schematic diagram of connecting pin.
Fig. 6 be in Fig. 5 of the embodiment of the present invention C to structural schematic diagram.
Fig. 7 is the lower swing arm of the embodiment of the present invention and the connection schematic diagram of connecting pin.
Fig. 8 be in Fig. 7 of the embodiment of the present invention D to structural schematic diagram.
Fig. 9 is the oil seal ring structural schematic diagram of the embodiment of the present invention.
Figure 10 is the washer structure diagram of the embodiment of the present invention.
Figure 11 is the connecting pin structural schematic diagram of the embodiment of the present invention.
Figure 12 is the connecting pin main view of the embodiment of the present invention.
Figure 13 be in Figure 12 of the embodiment of the present invention E to schematic diagram.
Wherein:
1- knuckle, 2- connecting pin, 3- upper swing arm, 4- lower swing arm, α-stub drift angle, 5a- first bearing, the second axis of 5b-
It holds, 6- oil seal ring, the first oil seal ring of 6a-, the second oil seal ring of 6b-, 7- washer, 8- hexagonal opening nut, 9- pin shaft, 10- third
Bearing, 11- limit end cap, 12- blanking cover, 13- grease nipple, 14- bolt, 15- spring washer, 16- wedge-shaped lock pin；
101- upper swing arm interconnecting piece, 102- lower swing arm interconnecting piece, 103- connecting pin mounting hole；
103a- arrival end, the outlet end 103b-, the first seal section of 103c-, 103d- first bearing construction section, 103e- first
Necking segment, the second necking segment of 103f-, 103g- second bearing construction section, the second seal section of 103h-；
21- knuckle interconnecting piece, 22- swing arm interconnecting piece, 23- boss；
The threaded portion 211-, 212- split pin mounting hole, 213- first connecting portion, 214- second connecting portion, 215- third connect
Socket part, the 4th interconnecting piece of 216-；
221- pin shaft hole, 222- wedge-shaped lock pin mounting hole；
301- pin shaft stomidium, 302- linkage section, 303- oil seal spacer ring；
601- internal ring portion, 602- outer portion, 603- interconnecting piece；
701- sleeve part, 702- end plate；
901- wedge-shaped lock pin mounting groove；
11a- groove, 11b- bolt hole.
Specific embodiment
In order to which the technical features, objects and effects of invention are more clearly understood, the Detailed description of the invention present invention is now compareed
Specific embodiment, identical label indicates identical part in the various figures.
Herein, " schematic " expression " serving as examplea, instances, or illustrations " should not will be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to technical solution that is a kind of preferred or more having advantages.
To make simplified form, part related to the present invention is only schematically shown in each figure, and does not represent it
Practical structures as product.In addition, so that simplified form is easy to understand, with the portion of identical structure or function in some figures
Part only symbolically depicts one of those, or has only marked one of those.
Herein, "upper", "lower", "front", "rear", "left", "right" etc. are only used for indicating opposite between relevant portion
Positional relationship, and the absolute position of these non-limiting relevant portions.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than indicate significance level and sequence and
Existing premise etc. each other.
Herein, the limitation in " equal ", " identical " etc. and non-critical mathematics and/or geometry meaning also includes
It will be appreciated by those skilled in the art that and the error that the permissions such as makes or uses.Unless otherwise indicated, numerical value model herein
It encloses not only including the entire scope in two endpoint, also includes being contained in several subranges therein.
In order to solve low to stub intensity, steering reversal ability difference technical problem in the prior art, as shown in Figs 1-4,
The embodiment provides a kind of virtual stubs.The virtual stub includes:
Knuckle 1, knuckle 1 include upper swing arm interconnecting piece 101 and lower swing arm interconnecting piece 102；
Upper swing arm 3 is installed on upper swing arm interconnecting piece 101 by connecting pin 2, connecting pin 2, and lower swing arm 4 is installed on by connecting pin 2
Lower swing arm interconnecting piece 102；
Wherein, two connecting pins 2 are opposite installs；The axis of two connecting pins 2 is overlapped, and axis has stub drift angle α.
Swing arm (upper swing arm 3 and lower swing arm 4) is installed on knuckle 1, and the opposite installation of two connecting pins 2 by connecting pin 2,
And the axis of two connecting pins 2 is overlapped, and the axis of the coincidence is virtual stub, when Vehicular turn, around the virtual stub
Rotation, the virtual stub have stub drift angle, which to be easy to back when Vehicular turn just, and virtual stub at this
Instead of stub, that is, the axis of two opposite connecting pins 2 replaces stub, when Vehicular turn do not need real stub into
The transmitting of row power, the intensity of connecting pin 2 is high, thus the virtual stub intensity is high, not vulnerable, and virtual stub and prevents take up
Actual space, thus occupancy is small in size, is conducive to the arrangement of other components.
Stub intensity is low in the prior art, is only adapted to low tonnage, and during motor turning, existing hinge
Steering reversal ability is poor, can not achieve vehicle and flexibly turns to.Stub is virtual in the application, two opposite connecting pins 2
Axis replaces stub, and the intensity of connecting pin 2 is high, thus the intensity of virtual stub is high, and being adaptable to 4.5 tons or more suspensions uses,
And the virtual stub is there are stub drift angle, and when Vehicular turn is easy to back just.
Specifically, as viewed in figures 5-8, connecting pin 2 includes knuckle interconnecting piece 21 and swing arm interconnecting piece 22.Connecting pin 2 is
Integral structure, thus the intensity of connecting pin 2 is high, and connecting pin 2 includes knuckle interconnecting piece 21 and swing arm interconnecting piece 22, turns
It is vertical with the axis of swing arm interconnecting piece 22 to section interconnecting piece 21, that is, the extension of knuckle interconnecting piece 21 and swing arm interconnecting piece 22
Direction is orthogonal.Preferably, boss 23 outstanding is provided between the knuckle interconnecting piece 21 and swing arm interconnecting piece 22,
23 one side of boss is attached knuckle interconnecting piece 21 and swing arm interconnecting piece 22, and another aspect boss 23 pacifies two parts
It is limited when dress, plays positive stop lug boss.
The end of knuckle interconnecting piece 21 is provided with threaded portion 211 and split pin mounting hole 212, to connect connecting pin 2
It is connected to knuckle 1；Swing arm interconnecting piece 22 offers pin shaft hole 221, to by connecting pin 2 and 4 phase of upper swing arm 3 or lower swing arm
Even.
Specifically, as shown in figure 4, the upper swing arm interconnecting piece 101 of knuckle 1 and the company of offering of lower swing arm interconnecting piece 102
Outbound mounting hole 103, first bearing 5a and second bearing the 5b installation that the knuckle interconnecting piece 21 of connecting pin 2 passes through coaxial arrangement
In connecting pin mounting hole 103.More specifically, which is multidiameter shaft, which passes through first bearing 5a
The connecting pin mounting hole 103 of knuckle 1 is installed on second bearing 5b, first bearing 5a and second bearing 5b are preferably using circle
Taper roller bearing enables connecting pin 2 smoothly to rotate relative to knuckle 1 due to the presence of bearing, thus works as Vehicular turn
When, the rotation between swing arm and knuckle 1 is smooth, so that Vehicular turn and time timing are more flexible.
Hexagonal opening nut 8 is installed in the threaded portion 211 of the knuckle interconnecting piece 21 of connecting pin 2, threaded portion 211, and hexagonal is opened
The position of knuckle interconnecting piece 21 is fixed in mouth nut 8, and then knuckle 1 and the position of connecting pin 2 is fixed, and spiral shell
There is split pin mounting hole 212 in the end in line portion 211, and the 212 construction opening pin of split pin mounting hole is to fix hexagonal opening nut
8.Specifically, hexagonal opening nut 8 is provided with opening, and the opening of hexagonal opening nut 8 and split pin are installed after being installed
212 centering of hole is bent, and then after split pin passes through opening and the split pin mounting hole 212 of hexagonal opening nut 8 by six
The position of angle opening nut 8 is fixed.
Connecting pin mounting hole 103 includes arrival end 103a and outlet end 103b, at arrival end 103a and outlet end 103b,
The oil seal ring 6 to seal first bearing 5a and second bearing 5b is provided between connecting pin 2 and connecting pin mounting hole 103.
It is understood that arrival end 103a and outlet end 103b is the connection for direction when connecting pin 2 is installed at this
Enter the connecting pin mounting hole 103 from arrival end 103a when pin 2 is installed, is stretched out later from outlet end 103b, due to using first
Bearing 5a and second bearing 5b realizes the relative rotation of connecting pin 2 and knuckle 1, thus when connecting pin 2 is rotated relative to knuckle 1
When, it needs to be lubricated first bearing 5a and second bearing 5b, that is, the company around first bearing 5a and second bearing 5b
Lubricating oil is full of in space between outbound 2 and connecting pin mounting hole 103, oil seal ring 6 is located at connecting pin 2 and connecting pin mounting hole
Between 103, play the role of being sealed to inside connecting pin mounting hole 103.
Optionally, as shown in figure 9, the oil seal ring 6 includes:
Internal ring portion 601, internal ring portion 601 are abutted with connecting pin 2, that is, internal ring portion 601 prolongs along the axis direction of connecting pin 2
It stretches, and internal ring portion 601 is close to the wall surface of connecting pin 2, realizes and gap is not present between internal ring portion 601 and connecting pin 2；
Outer portion 602, outer portion 602 are abutted with the inner wall of connecting pin mounting hole 103, and outer portion 602 is along connecting pin 2
Axis direction extends, and outer portion 602 is close to the wall surface of connecting pin mounting hole 103, realizes that outer portion 602 and connecting pin are installed
Gap is not present between hole 103；
Interconnecting piece 603, interconnecting piece 603 connects internal ring portion 601 and outer portion 602, interconnecting piece 603 play the work of connection herein
With；
Wherein, there are hollow rings 603 between internal ring portion 601 and outer portion 602, that is, interconnecting piece 603 is single layer, so that
The opposite side of interconnecting piece 603 is hollow structure.And it is to be appreciated that the oil sealing at arrival end 103a and outlet end 103b
The hollow ring 603 of ring 6 is to install relatively, that is, the hollow ring 603 of two oil seal rings 6 is opposite, and direction connects
Sell the inside of mounting hole 103, on the one hand, the hollow ring 603 of oil seal ring 6 can accommodate lubricating oil, and on the other hand, oil seal ring 6 is outside
Small-scale deformation can be carried out under power effect, hollow ring 603 is towards the inside of connecting pin mounting hole 103, so that oil sealing when deformation
Grease inside the hollow ring 603 of ring 6 enters inside connecting pin mounting hole 103, is further lubricated to bearing.
Washer 7 is additionally provided between connecting pin 2 at the 103b of outlet end and oil seal ring 6, the washer is on the one hand to connecting pin 2
Be sealed between oil seal ring 6, on the other hand, the washer 7 be it is dismountable, when needing to carry out to connecting pin mounting hole 103
When make-up oil, it is only necessary to washer 7 be removed supplement, washer 7 is installed after the completion of supplement, since washer 7 is adopted
With elastic material, thus washer 7 is reusable, i.e. repeated removal and installation.
Due to the difference of installation site, size changes above-mentioned oil seal ring 6 with installation site, specific in example,
As it is shown in the figures, that install at arrival end 103a is the first oil seal ring 6a, what is installed at the 103b of outlet end is the second oil seal ring
6b, and the internal-and external diameter of the first oil seal ring 6a is all larger than the internal-and external diameter of the second oil seal ring 6b.
Specifically, as shown in Figure 10, washer 7 includes:
Sleeve part 701, the sleeve part 701 are sheathed on the outer surface of the connecting pin 2；With
End plate 702, the radially extending along the sleeve part 701 of end plate 702.
In embodiments herein, upper swing arm 3 and lower swing arm 4 are provided with the opposite pin shaft stomidium 301 opened up；Pin shaft 9
Middle part passes through the pin shaft hole 221 of the swing arm interconnecting piece 22 of connecting pin 2, and the both ends of pin shaft 9 are installed on pin shaft by 3rd bearing 10
Stomidium 301.It is understood that upper swing arm 3 and lower swing arm 4 are provided with forked end, that is, end includes opposite two
A linkage section 302, the linkage section 302 it is opposite offer pin shaft stomidium 301, pin shaft 9 sequentially passes through pin shaft stomidium 301 and connection
Swing arm is connected by the pin shaft hole 221 of pin 2, realization with connecting pin 2.
During Vehicular turn, due to knuckle need relative virtual stub rotation realize turn to, thus connecting pin 2 with
Relative rotation is needed between knuckle, and the rotation realizes the steering of vehicle using the axis of connecting pin 2 as shaft.
Further, the one end opposite with swing arm interconnecting piece 22 of pin shaft stomidium 301 is provided with oil seal ring 6 and oil seal spacer ring
303, the other end is provided with limit end cap 11 or blanking cover 12.Pin shaft stomidium 301 include close to swing arm interconnecting piece 22 one end and
One end far from swing arm interconnecting piece 22, in one end close to swing arm interconnecting piece 22, between pin shaft stomidium 301 and swing arm interconnecting piece 22
It is provided with oil seal spacer ring 303 and oil seal ring 6, oil seal spacer ring 303 and oil seal ring 6 are sealed pin shaft stomidium 301, due to including
Two opposite pin shaft stomidiums 301, thus the other end installation limit end cap 11 of one of pin shaft stomidium 301, another pin
The other end of stub bore 301 installs blanking cover 12, wherein limit end cap 11 limits pin shaft 9, and blanking cover 12 is then for installing
Pin shaft stomidium 301 is blocked after the completion, limit end cap 11, blanking cover 12, oil seal spacer ring 303 and oil seal ring 6 cooperate, realization pair
The sealing of pin shaft stomidium 301.
Optionally, a pin for the positioning for realizing swing arm interconnecting piece 22, in the pin shaft stomidium 301 being oppositely arranged at two
Oil seal ring 6 can be only arranged in stub bore 301, and save oil seal spacer ring 303 then and can merge out the positioning table of swing arm interconnecting piece 22
Installation space realizes the positioning and installation of swing arm interconnecting piece 22.
Limit end cap 11 and blanking cover 12 are mounted on grease nipple 13.Specifically, grease nipple mounting hole, grease nipple are offered
13 are installed in grease nipple mounting hole, are lubricated for supplementing grease to the 3rd bearing 10 inside pin shaft stomidium 301, optional
Ground, the grease nipple 13 can be removably installed in grease nipple mounting hole by screw thread.
Optionally, limit end cap 11 is threadedly coupled with pin shaft stomidium 301, and locking by bolt 14 and spring washer 15.
Specifically, limit end cap 11 is detachably connected with pin shaft stomidium 301 by screw thread, since limit end cap 11 is in installation pin shaft 9
Have the function of limit in the process, thus its position must be fixed, bolt 14 and the cooperation of spring washer 15, limit end cap 11
Fluted 11a and bolt hole 11b are radially opened up, bolt hole 11b passes through groove 11a, and bolt 14 is installed on bolt hole 11b,
It is namely installed 14 through-going recess 11a of rear bolt, spring washer 15 is located between bolt 14 and limit end cap 11, to bolt
14 serve it is locking, and due to 14 through-going recess 11a of bolt, thus when 14 pretightning force of bolt increases, the height of groove 11a
Reduce, bigger pretightning force is generated to the screw thread of limit end cap 11, thus the screw pitch for limiting the screw thread of end cap 11 changes, and prevents from limiting
Position end cap 11 generates loosening, this is a device for screw thread mechanical self-latching, by the top power of bolt, generate thread away from variation, into
And it is locking；And still optionally further, blanking cover 12 can be threadedly coupled with pin shaft stomidium 301, be also possible to interference fit connection,
At this time blanking cover 12 can use flexible material, i.e. blanking cover 12 itself can be deformed, when blanking cover 12 is installed on pin shaft
When stomidium 301, blanking cover 12 deforms, and pin shaft stomidium 301 is blocked, and realizes the sealing to pin shaft stomidium 301.
The connecting pin 2 mentioned in above-described embodiment is integral type, as figs 11-13, including 21 He of knuckle interconnecting piece
Swing arm interconnecting piece 22, wherein knuckle interconnecting piece 21 is multidiameter shaft.Connecting pin 2 is an integral structure, thus the intensity of connecting pin 2
Height, and connecting pin 2 includes knuckle interconnecting piece 21 and swing arm interconnecting piece 22, knuckle interconnecting piece 21 and swing arm interconnecting piece 22
Axis is vertical, that is, the extending direction of knuckle interconnecting piece 21 and swing arm interconnecting piece 22 is mutually perpendicular to.Preferably, the knuckle
Boss 23 outstanding is provided between interconnecting piece 21 and swing arm interconnecting piece 22,23 one side of boss is to 21 He of knuckle interconnecting piece
Swing arm interconnecting piece 22 is attached, and another aspect boss 23 limits when installing to two parts, plays positive stop lug boss.
The end of knuckle interconnecting piece 21 is provided with threaded portion 211 and split pin mounting hole 212, to connect connecting pin 2
It is connected to knuckle 1；Swing arm interconnecting piece 22 offers pin shaft hole 221, to by connecting pin 2 and 4 phase of upper swing arm 3 or lower swing arm
Even.
Specifically, knuckle interconnecting piece 21 connects from boss 23 between threaded portion 211 including diameter is sequentially reduced first
Socket part 213, second connecting portion 214, third interconnecting piece 215 and the 4th interconnecting piece 216；
Wherein, the diameter of first connecting portion 213 is greater than the diameter of third interconnecting piece 215, and second connecting portion 214 is circular cone
Section, one end diameter is identical as the diameter of first connecting portion 213, and other end diameter is identical as the diameter of third interconnecting piece 215, and
Second connecting portion 214 is as changeover portion connection first connecting portion 213 and third interconnecting piece 215；The diameter of third interconnecting piece 215 is big
Diameter in threaded portion 211,216 transition of the 4th interconnecting piece connect third interconnecting piece 215 and threaded portion 211.
When in use, first connecting portion 213 and third interconnecting piece 215 are respectively used to installation first bearing 5a and second bearing
The inner and outer diameter of 5b, the first bearing 5a and second bearing 5b at two are different, and preferably, first bearing 5a and second
Bearing 5b selects tapered roller bearing, and the tapered roller bearing load-bearing capacity is strong, and in Vehicular turn and operation spirit when backing towards
It is living.
Connecting pin mounting hole 103 is stepped hole, the multidiameter shaft phase of the stepped hole and the knuckle interconnecting piece 21 of connecting pin 2
Match, which specifically includes:
First seal section 103c, at the arrival end 103a of connecting pin mounting hole 103, for installing oil seal ring 6, first
The inner wall of seal section 103c and the outside wall surface of sealing ring 6 abut against, specially the outer portion 602 of oil seal ring 6；
First bearing construction section 103d, for installing first bearing 5a；
First necking segment 103e and the second necking segment 103f, the necking segment is for storing lubrication first bearing 5a and the second axis
Hold the lubricating oil of 5b；
Second bearing construction section 103g, for installing second bearing 5b；
Second seal section 103h, at the outlet end 103b of connecting pin mounting hole 103, for installing oil seal ring 6 and pad
Circle 7；
Wherein, the interior diameter of first bearing construction section 103d is greater than the interior diameter of second bearing construction section 103g, the first contracting
The interior diameter of cervical part of esophagus 103e and second bearing construction section 103g are all larger than the interior diameter of the second necking segment 103f.
The swing arm interconnecting piece 22 of connecting pin 2 is a Duan Yuanzhu, which is provided in the axial direction with pin shaft hole 221,
For installing pin shaft 9.Also, it is provided with wedge-shaped lock pin 16 between pin shaft 9 and pin shaft hole 221, prevents pin shaft 9 from revolving along own axes
Turn, so that do not relatively rotated between connecting pin 2 and pin shaft 9, thus knuckle is connected by the realization of connecting pin 2 with swing arm.Specifically
Ground, the swing arm interconnecting piece 22 of connecting pin 2 offer wedge-shaped lock pin mounting hole 222, and wedge-shaped lock pin mounting hole 222 is located at swing arm connection
The edge of the side wall in portion 22 and radially extending along swing arm interconnecting piece 22, and the wedge-shaped lock pin mounting hole 222 and pin shaft hole 221
It is connected, the outside wall surface of pin shaft 9 offers wedge-shaped lock pin mounting groove 901, provides mounting plane, thus wedge shape for wedge-shaped lock pin 16
Lock pin 16 is installed in the wedge-shaped lock pin mounting groove 901 and wedge-shaped lock pin mounting hole 222, and wedge-shaped lock pin 16 is located at wedge-shaped lock pin peace
It fills in hole 222, and the plane of wedge-shaped lock pin 16 and the mounting plane of wedge-shaped lock pin mounting groove 901 abut against, so that pin shaft 9 is not
1 opposed swing arms of knuckle rotate when can rotate, thus use along own axes, realize the steering of vehicle.
Embodiments herein additionally provides a kind of automotive suspension, which includes:
Knuckle 1, knuckle 1 include upper swing arm interconnecting piece 101 and lower swing arm interconnecting piece 102；
Upper swing arm 3, upper swing arm 3 are installed on the upper swing arm interconnecting piece 101 of knuckle 1 by above-mentioned connecting pin 2, and
Lower swing arm 4, lower swing arm 4 are installed on the lower swing arm interconnecting piece 102 of knuckle 1 by above-mentioned connecting pin 2；
Wherein, which is connected by first bearing 5a and second bearing 5b with knuckle 1, which passes through the
Three bearings 10 are connected with upper swing arm 3 or lower swing arm 4, and two connecting pins 2 are opposite to be installed, and the axis of two connecting pins 2 is overlapped,
The axis is virtual stub.
The virtual stub that the connecting pin 2 is formed occupies little space, and realizes that swing arm is opposite with knuckle 1 using bearing
Rotation, 2 load-bearing capacity of connecting pin is strong, so that the virtual stub is adapted to the use of 4.5 or more suspensions, and the rotation of bearing
Performance is good, so that vehicle revolution is flexible.
Embodiments herein additionally provides a kind of automobile, which includes above-mentioned automotive suspension, and the automotive suspension is left
The right side is arranged symmetrically.The suspension flexibility is good, is easy to turn round, and load-bearing capacity is strong.
Although not each embodiment is only wrapped it should be appreciated that this specification is described according to each embodiment
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art
The other embodiments that member is understood that.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope that is bright, and being not intended to limit the invention, it is all without departing from equivalent embodiments made by technical spirit of the present invention or
Change, such as the combination, segmentation or repetition of feature, should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of virtual stub characterized by comprising
Knuckle (1), the knuckle (1) include upper swing arm interconnecting piece (101) and lower swing arm interconnecting piece (102)；
Upper swing arm (3) is installed on the upper swing arm interconnecting piece (101), the connecting pin by connecting pin (2), the connecting pin (2)
(2) lower swing arm (4) is installed on the lower swing arm interconnecting piece (102)；
Wherein, two connecting pins (2) are opposite installs；The axis of two connecting pins (2) is overlapped, and the axis has master
It sells drift angle (α).
2. virtual stub according to claim 1, which is characterized in that the connecting pin (2) includes knuckle interconnecting piece
(21) and swing arm interconnecting piece (22)；
The end of the knuckle interconnecting piece (21) is provided with threaded portion (211) and split pin mounting hole (212)；
The swing arm interconnecting piece (22) offers pin shaft hole (221).
3. virtual stub according to claim 2, which is characterized in that the upper swing arm interconnecting piece (101) of the knuckle (1)
It is offered connecting pin mounting hole (103) with lower swing arm interconnecting piece (102), the knuckle interconnecting piece of the connecting pin (2)
(21) the connecting pin mounting hole (103) is installed on by the first bearing (5a) and second bearing (5b) of coaxial arrangement.
4. virtual stub according to claim 3, which is characterized in that the threaded portion of the knuckle interconnecting piece (21)
(211) installation hexagonal opening nut (8) is fixed, and split pin mounting hole (212) the construction opening pin is with fixation described six
Angle is open nut (8).
5. virtual stub according to claim 4, which is characterized in that the connecting pin mounting hole (103) includes arrival end
(103a) and outlet end (103b), at the arrival end (103a) and the outlet end (103b), the connecting pin (2) and institute
State the oil seal ring (6) being provided between connecting pin mounting hole (103) to seal bearing (5).
6. virtual stub according to claim 5, which is characterized in that the oil seal ring (6) includes:
Internal ring portion (601), the internal ring portion (601) abut with the connecting pin (2)；
Outer portion (602), the outer portion (602) abut with the inner wall of the connecting pin mounting hole (103)；With
Interconnecting piece (603), the interconnecting piece (603) connect the internal ring portion (601) and the outer portion (602)；
Wherein, there are hollow ring (603) between the internal ring portion (601) and the outer portion (602).
7. virtual stub according to claim 5, which is characterized in that the connecting pin at the outlet end (103b)
(2) it is additionally provided between the oil seal ring (6) washer (7).
8. virtual stub according to claim 7, which is characterized in that the washer (7) includes:
Sleeve part (701), the sleeve part (701) are sheathed on the outer surface of the connecting pin (2)；With
End plate (702), end plate (702) the radially extending along the sleeve part (701).
9. virtual stub according to claim 6, which is characterized in that the upper swing arm (3) and the lower swing arm (4) are all provided with
It is equipped with the opposite pin shaft stomidium (301) opened up；
The pin shaft hole (221) of the swing arm interconnecting piece (22) of the connecting pin (2), the pin shaft (9) are passed through in the middle part of pin shaft (9)
Both ends be installed on the pin shaft stomidium (301) by 3rd bearing (10).
10. virtual stub according to claim 9, which is characterized in that the pin shaft stomidium (301) connect with the swing arm
The opposite one end in portion (22) is provided with oil seal ring (6) and oil seal spacer ring (303), and the other end is provided with limit end cap (11) or stifled
It covers (12).
11. virtual stub according to claim 10, which is characterized in that the limit end cap (11) and the blanking cover (12)
It is mounted on grease nipple (13).
12. virtual stub according to claim 10, which is characterized in that the limit end cap (11) and the pin shaft stomidium
(301) it is threadedly coupled, and locking by bolt (14) and spring washer (15).
13. a kind of automotive suspension, which is characterized in that including any virtual stub of claim 1-12.
14. a kind of automobile, which is characterized in that including the automotive suspension described in claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061577.6A CN109808768A (en) | 2019-01-23 | 2019-01-23 | Virtual stub, automotive suspension and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061577.6A CN109808768A (en) | 2019-01-23 | 2019-01-23 | Virtual stub, automotive suspension and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109808768A true CN109808768A (en) | 2019-05-28 |
Family
ID=66604694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910061577.6A Pending CN109808768A (en) | 2019-01-23 | 2019-01-23 | Virtual stub, automotive suspension and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109808768A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428222A (en) * | 2021-07-20 | 2021-09-24 | 杭州时代电动科技有限公司 | Disconnected rigid main pin structure applied to independent suspension |
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| WO1995018033A1 (en) * | 1993-12-31 | 1995-07-06 | Reilly, Joyce, Lynette | System for reorienting the king pin axis of a knuckle steering assembly |
| CN204415037U (en) * | 2015-01-09 | 2015-06-24 | 康毛著 | For the propons Novel support structure of light-duty bus chassis system |
| CN105365884A (en) * | 2015-11-19 | 2016-03-02 | 泉州市三龙机械制造有限公司 | Front steering drive axle of automobile |
| CN105480040A (en) * | 2015-12-15 | 2016-04-13 | 方盛车桥（柳州）有限公司 | Individual suspension front axle with virtual master pin structure |
| CN108407889A (en) * | 2018-05-11 | 2018-08-17 | 方盛车桥（苏州）有限公司 | A kind of independent suspension that new energy comfort used for buses is high |
| CN209814093U (en) * | 2019-01-23 | 2019-12-20 | 中国公路车辆机械有限公司 | Virtual king pin, automobile suspension and automobile |
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- 2019-01-23 CN CN201910061577.6A patent/CN109808768A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995018033A1 (en) * | 1993-12-31 | 1995-07-06 | Reilly, Joyce, Lynette | System for reorienting the king pin axis of a knuckle steering assembly |
| CN204415037U (en) * | 2015-01-09 | 2015-06-24 | 康毛著 | For the propons Novel support structure of light-duty bus chassis system |
| CN105365884A (en) * | 2015-11-19 | 2016-03-02 | 泉州市三龙机械制造有限公司 | Front steering drive axle of automobile |
| CN105480040A (en) * | 2015-12-15 | 2016-04-13 | 方盛车桥（柳州）有限公司 | Individual suspension front axle with virtual master pin structure |
| CN108407889A (en) * | 2018-05-11 | 2018-08-17 | 方盛车桥（苏州）有限公司 | A kind of independent suspension that new energy comfort used for buses is high |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428222A (en) * | 2021-07-20 | 2021-09-24 | 杭州时代电动科技有限公司 | Disconnected rigid main pin structure applied to independent suspension |
| CN113428222B (en) * | 2021-07-20 | 2022-07-26 | 杭州时代电动科技有限公司 | Disconnected rigid main pin structure applied to independent suspension |
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