CN108583186A - A kind of scalable guide rod - Google Patents
A kind of scalable guide rod Download PDFInfo
- Publication number
- CN108583186A CN108583186A CN201810241385.9A CN201810241385A CN108583186A CN 108583186 A CN108583186 A CN 108583186A CN 201810241385 A CN201810241385 A CN 201810241385A CN 108583186 A CN108583186 A CN 108583186A
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- China
- Prior art keywords
- connecting rod
- rod
- scalable guide
- guide rod
- connect
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Classifications
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- 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
- B60G7/003—Suspension arms, e.g. constructional features of adjustable length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/10—Constructional features of arms
- B60G2206/11—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link
- B60G2206/111—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link of adjustable length
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of scalable guide rods, including first connecting rod, second connecting rod and prismatic pair, the first end of the first connecting rod is connect with the first end of the second connecting rod by the prismatic pair, and the second end of the first connecting rod and the second end of the second connecting rod are all connected with two rod end bulbs.Pass through four rod end bulbs of the second end setting of the second end and second connecting rod in first connecting rod, so that scalable guide rod of the present invention is when in face of long-time, complicated load, good working order can still be kept, the friction and abrasion between guide rod and engaging lug or gasket are avoided, the service life of guide rod is improved.
Description
Technical field
The present invention relates to automobile suspension systems, and in particular, to a kind of scalable guide rod.
Background technology
Suspension is to ensure that wheel either has elasticity between vehicle bridge and automobile bearing system (vehicle frame or monocoque body)
Load is contacted and can be transmitted, impact, decaying vibration are mitigated and adjusts the automobile related dress such as vehicle body position in the process of moving
The general name set.General suspension is mainly made of elastic element, damping device and guiding mechanism three parts.In some cases, certain
One parts and plays two kinds or three kinds, for example leaf spring is simultaneous plays elastic element and guiding mechanism.Wherein lead
Be to ensure that power all between wheel and vehicle body or vehicle frame and torque reliable delivery to the function of mechanism, and determine wheel relative to
The placement property of vehicle body or vehicle frame.The variation feelings of movement locus and wheel alignment parameter when guiding mechanism determines wheel hop
The position of roll center and trim center before and after condition and automobile, largely affect vehicle control stability and
Anti- trim ability.
The characteristics of according to guiding mechanism, automotive suspension can be mainly divided into rigid axle suspension and independent suspension two major classes.It is non-
Independent suspension is coupled between being typically characterized by left and right wheels by a buckstay or non-disconnected vehicle bridge, when unilateral wheel
When bounce, other side wheel is directly influenced.The stationarity of Non-separation suspension system and comfort are poor, but have again make simultaneously
The feature that valence is low, bearing capacity is big, the rear suspension of part pony car and lorry, motor bus are equipped with this suspension system at present.Solely
The wheel for being structurally characterized in that both sides of vertical suspension couples individually through resilient suspension with vehicle body or vehicle frame, and vehicle bridge makes disconnection
Formula.Therefore, independent suspension has the advantage that：1. both sides wheel can move alone and be independent of each other, improve handling；2. reducing
Nonspring carried mass is conducive to the ride comfort of automobile；3. using broken bridge of car, engine location can be reduced, reduces vehicle weight
The heart；4. wheel movement space is larger, suspension rate can be reduced, improves ride comfort.The above advantage makes independent suspension by widely
It applies on automobile, the deflecting roller of especially car all generally uses independent suspension, in order to improve driving safety, increasingly
The rear overhang of more sedan limousines also uses independent suspension.
In terms of the difference of suspension property, guiding mechanism accounts for very big factor, and the characteristics of motion of guiding mechanism directly affects vehicle
Take turns the variation of positional parameter.Although the structure of suspension is different, final purpose is all by various designs so that front-wheel
The variation of positional parameter during the motion is reasonable and small as possible.Currently, most widely used independent suspension is main on automobile
Have：McPherson strut, double cross arm independent suspension and multi-connecting-rod separated suspension.Generally speaking, current most economical applicable, sexual valence
It is MacPherson type than highest independent front suspension；It is multi link and double wish-bone arm type that high-performance adjustment and matched suspension, which can be done,；Knot
It is multi link formula that structure is most complicated, realizes function at most.
Although conventional independent suspension can functionally meet suspension design requirement at present, work as wheel hop
When, wheel alignment parameter can change.In practical applications, the variation of any positional parameter of wheel all can be to automobile operation stabilization
Property or other aspect performances have an adverse effect, such as wheelspan variation can cause automobile straight-line travelling ability decline, simultaneously
Also cause rolling resistance increase and the influence to steering；The variation of camber angle can cause abnormal tyre to wear.Mai Fu
It is inferior that damper lower fulcrum changes therewith with sideway arm swing, the oblique angle of main pin axis when being suspended in wheel and moving up and down, because
This its wheel alignment parameter has a greater change in Suspension movement.Double fork arm type equal suspensions, can by the upper lower cross arm of rational design
So that wheel and stub Parameters variation are little；It, cannot fundamentally solution portion but due to being limited by guiding mechanism motion principle
Positional parameter is divided to change excessive problem.It is essentially all complicated space curve that multi-link lever suspension fork movement locus is resonable, which to be referred to,
So that situation of change of wheel alignment parameter during wheel moves up and down is more outstanding than traditional McPherson suspension and double transverse arms
Frame etc. is more severe；And suspension adjustment and matched difficulty are big, and movement and power performance are very sensitive to structural parameters, if
It is improper to match, and the variation range of wheel alignment parameter can be very big.
The rod end of currently used suspension guide rod is turning joint, although turning joint can preferably be born along hinge
Radial load, but when bearing along the load of hinge axial direction, performance is bad, be easy to cause guide rod and engaging lug or
Friction between person's gasket and abrasion.After longevity of service, be easy to cause between suspension guide rod and engaging lug generate it is empty
Gap, work is undesirable, influences suspension property and vehicle maneuvering performance.
Invention content
In view of the foregoing, it is an object to provide a kind of scalable guide rod, it is oriented to solving existing suspension
When bar is born along rod end turning joint axial load, easily causes and rub and wear between guide rod and engaging lug or gasket, to
The problem of influencing suspension property and vehicle maneuvering performance.
To achieve the goals above, it is an aspect of the invention to provide a kind of scalable guide rod, including first connecting rod,
Second connecting rod and prismatic pair, the first end of the first connecting rod and the first end of the second connecting rod are connected by the prismatic pair
It connects, the second end of the first connecting rod and the second end of the second connecting rod are all connected with two rod end bulbs.
Preferably, there is endoporus, the second end of the first connecting rod and described second to connect in the rod end of the rod end bulb
The second end of bar is both provided with link block, the second end or the second connecting rod of the both sides of each link block from the first connecting rod
The both ends of end face of second end stretch out, and be respectively set on the both ends of stretching there are one through-hole, bolt is respectively from described the
The direction of one end passes through the through-hole to be inserted into the endoporus towards the second end, connects with the screw-internal thread fit in the endoporus
It connects.
Preferably, the rod end for two rod end bulbs being connect with the same link block is mutually parallel, and the length phase of rod end
Deng.
Preferably, the end face of the second end of the first connecting rod and/or the second end of the second connecting rod, which is provided with, concaves towards
First groove in the direction of the first end, on the link block surface opposite with the first connecting rod or the second connecting rod
It is provided with protrusion, the protrusion is connected with first groove interference fit,
Alternatively, the link block surface opposite with the first connecting rod or the second connecting rod is provided with the second groove,
The first connecting rod or the second connecting rod are connected with second groove interference fit.
Preferably, the first connecting rod and/or the second connecting rod are integrally formed with corresponding link block.
Preferably, the flexural pivot axis for two rod end bulbs being connect with the same end is mutually parallel, and with the first connecting rod
Or the upper surface of the second connecting rod is vertical.
Preferably, the flexural pivot axis for two rod end bulbs being connect with the same end on the same line, and with described first
The axis of connecting rod or the second connecting rod is in the same plane.
Preferably, the centre of sphere line for two rod end bulbs being connect with the second end of the first connecting rod and with described second
The centre of sphere line of two rod end bulbs of the second end connection of connecting rod is parallel.
Preferably, the first end of the first connecting rod is provided with free-sliding spline axis, the first end setting of the second connecting rod
There are free-sliding spline axle sleeve, the free-sliding spline axis to be connected with the free-sliding spline axle sleeve.
Preferably, the inner surface of the outer surface of the free-sliding spline axis and the free-sliding spline axle sleeve is coated with macromolecule painting
Layer.
Compared with prior art, the present invention has the following advantages and beneficial effect：
The present invention is applied to independent suspension, passes through the four of the second end setting of the second end and second connecting rod in first connecting rod
A rod end bulb so that scalable guide rod of the present invention can still be protected when in face of long-time, complicated service load
Good working order is held, friction and abrasion between guide rod and engaging lug or gasket is avoided, improves the use of guide rod
Service life.
Pass through the scalable guide rod so that wheel can only realize the outer of wheel in bounce along linear motion
Inclination angle, kingpin inclination and back rake angle, toeing-in, wheel posterior cord, left and right wheels away from and the positional parameters such as wheel base in vehicle
Wheel is held essentially constant during moving up and down, and to improve the handling of vehicle, reduces the abrasion of tire.
Description of the drawings
Fig. 1 is scalable guide rod preferred embodiment structural schematic diagram of the present invention；
Fig. 2 is another example structure schematic diagram of scalable guide rod of the present invention.
Specific implementation mode
Embodiment of the present invention described below with reference to the accompanying drawings.Those skilled in the art may recognize that
It arrives, it without departing from the spirit and scope of the present invention, can be with a variety of different modes or combinations thereof to described
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.In addition, in the present specification, attached drawing is drawn not in scale, and identical reference numeral indicates identical part.
The present embodiment is described in detail with reference to Fig. 1-Fig. 2.
Fig. 1 is scalable guide rod preferred embodiment structural schematic diagram of the present invention, and Fig. 2 is of the present invention scalable
Another example structure schematic diagram of guide rod, as depicted in figs. 1 and 2, scalable guide rod of the present invention includes first connecting rod
2, the first end of second connecting rod 3 and prismatic pair, first connecting rod 2 is connect with the first end of second connecting rod 3 by prismatic pair, and first connects
The second end of bar 2 is all connected with two rod end bulbs 4 with the second end of second connecting rod 3.
Four rod end bulbs are connected by the end of two connecting rods in scalable guide rod, by the one of existing turning joint
Point stress, is converted into two points stress so that the scalable guide rod in the present invention can undertake the load of hinge axial direction, make guiding
Bar in the working environment of complicated applied force still is able to that preferable working condition, reliability and service life is kept to be carried
It is high.
Wherein, rod end bulb 4 is convenient for the connection between vehicle body and knuckle or steering column in independent suspension, and rod end ball
Head easily purchase, it is cheap, reduce the manufacturing cost of scalable guide rod.
As shown in Figure 1, there is endoporus, in the second end and second connecting rod 3 of first connecting rod 2 in the rod end of rod end bulb 4
Second end is both provided with link block 5, and the both sides of each link block 5 are from the second end of first connecting rod 2 or the second end of second connecting rod 3
The both ends of end face stretch out, and be respectively set there are one through-hole at the both ends of stretching, and the aperture of through-hole is more than the outer of bolt 41
Diameter, the position of the position of through-hole not with first connecting rod 2 or second connecting rod 3 interfere, and four bolts 41 are respectively from first connecting rod 2
Or the direction of the first end of second connecting rod 3 passes through the through-hole of link block 5 towards the direction of second end, is inserted into corresponding rod end bulb
In endoporus in 4 rod end, and bolt 41 is connect with the screw-internal thread fit of rod end endoporus.
Wherein, rod end bulb 4 uses standard component, and even single part is impaired, can also replace rapidly, reduces to suspension
The influence of overall applicability.And using the rod end bulb of standard, also allowing for entire vehicle design, person replaces different bars for different situations
Hold bulb.
When selecting and installing rod end bulb, it is preferable that the bar for two rod end bulbs 4 being connect with the same link block 5
End is mutually parallel, and the equal length of two rod ends.
The link block 5 of the second end of first connecting rod 2 or second connecting rod 3 and its end can there are many connection type, first
Connecting rod 2 or second connecting rod 3 and link block 5 can be independent two components, can also be an integrally formed entirety.
When first connecting rod 2 or second connecting rod 3 and link block 5 are independent two components, the second end of first connecting rod 2
And/or the end face of the second end of second connecting rod 3 is provided with first groove in the direction for concaving towards the corresponding first end of connecting rod, connection
Protrusion is provided on the surface opposite with first connecting rod 2 or second connecting rod 3 of block 5, the protrusion is matched with the first groove interference
Close connection.
Alternatively, the surface opposite with first connecting rod 2 or second connecting rod 3 of link block 5 is provided with the second groove, first connecting rod 2
Or second connecting rod 3 and the second groove interference fit connect.
For the ease of installation of the scalable guide rod in suspension entirety, as illustrated in fig. 1, it is preferred that with same
The flexural pivot axis of two rod end bulbs 4 of connection is held to be mutually parallel, and vertical with the upper surface of first connecting rod 2 or second connecting rod 3,
That is, when installing rod end bulb, ensure that the flexural pivot axis of rod end bulb is mutually parallel, and with first connecting rod 2 or second connecting rod 3
Upper surface is vertical and then tightens bolt 41.
Alternatively, the flexural pivot axis for two rod end bulbs 4 being connect with the same end is not mutually parallel, but in same straight line
On, and in the same plane with the axis of first connecting rod 2 or second connecting rod 3.For example, as shown in Figure 1, connect with the same end two
The flexural pivot axis of a rod end bulb 4 is in the state that is mutually parallel, can also by be oppositely arranged two rod end bulbs 4 simultaneously to
Relative direction is rotated by 90 °, as shown in Figure 2 so that and the flexural pivot axis of two rod end bulbs 4 is in state on the same line,
Bolt 41 is tightened again, can also reach the mounting condition of the scalable guide rod.
For the ease of under the action of the scalable guide rod, the direction of motion of the constraint wheel in hopping process is controlled
The movement locus of wheel processed so that wheel can only be along linear motion in bounce, it is preferable that the second end with first connecting rod 2
The centre of sphere line of the centre of sphere line and two rod end bulbs being connect with the second end of second connecting rod 3 of two rod end bulbs of connection
It is parallel so that the centre of sphere of four rod end bulbs of the scalable guide rod is in the same plane.
In the present invention, the prismatic pair of the scalable guide rod can be various forms of linear guiding structures, can be certainly
By extending.For example, prismatic pair can be free-sliding spline pair, and can also be rolling spline pair, and it is without being limited thereto.Preferably, first
The first end of connecting rod 2 is provided with free-sliding spline axis, and the first end of second connecting rod 3 is provided with free-sliding spline axle sleeve, free-sliding spline axis
It is connected with free-sliding spline axle sleeve, to realize the relative motion between first connecting rod and second connecting rod, realizes guide rod edge
Axial freely extends.
For the ease of the lubrication between free-sliding spline axis and free-sliding spline axle sleeve, abrasion between the two is reduced, it is preferable that
The outer surface of free-sliding spline axis and the inner surface of free-sliding spline axle sleeve are coated with polymeric coating layer.
The installation process of scalable guide rod of the present invention is as follows：
When installation, the cunning of free-sliding spline axis and the first end setting of second connecting rod 3 that the first end of first connecting rod 2 is arranged
Dynamic hub splines is connected, to connect first connecting rod 2 and second connecting rod 3.According to the design requirement of vehicle, selection criteria
Two bolts 41 are each passed through two that the link block 5 of the second end of first connecting rod 2 is arranged by rod end bulb as flexural pivot
It in through-hole, is inserted into the rod end of corresponding rod end bulb, the flexural pivot axis of two rod end bulbs of adjustment is mutually parallel, and with the
The upper surface of one connecting rod 2 is mutually perpendicular to, and tightens bolt 41, is connect with the screw-internal thread fit in rod end endoporus, and first connecting rod is completed
The installation of two rod end bulbs of second end.Similarly, then in the same way two rod ends of second connecting rod second end are installed
Bulb, and when adjusting the position of two rod end bulbs of second connecting rod second end, not only to ensure the ball of two rod end bulbs
Hinged shaft line is mutually parallel, and vertical with the upper surface of second connecting rod, and to ensure two rod ends in second connecting rod second end
The centre of sphere line of bulb and the centre of sphere line of two rod end bulbs of installed first connecting rod second end are mutually parallel, to protect
Demonstrate,prove the centre of sphere of four rod end bulbs in the same plane.
The present invention is applied to independent suspension, and camber angle, the Kingpin inclination of wheel are realized by the scalable guide rod
Angle and back rake angle, toeing-in, wheel posterior cord, left and right wheels away from and the positional parameters such as wheel base move up and down process in wheel
In be held essentially constant, to improve the handling of vehicle, reduce the abrasion of tire.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of scalable guide rod, which is characterized in that including first connecting rod, second connecting rod and prismatic pair, the first connecting rod
First end connect by the prismatic pair with the first end of the second connecting rod, the second end of the first connecting rod and described the
The second end of two connecting rods is all connected with two rod end bulbs.
2. scalable guide rod according to claim 1, which is characterized in that have in the rod end of the rod end bulb interior
The second end of hole, the second end of the first connecting rod and the second connecting rod is both provided with link block, the both sides of each link block
It is stretched out from the both ends of the end face of the second end of the second end or second connecting rod of the first connecting rod, and on the both ends of stretching
It is respectively set there are one through-hole, bolt passes through the through-hole to be inserted into institute from the direction of the first end towards the second end respectively
It states in endoporus, is connect with the screw-internal thread fit in the endoporus.
3. scalable guide rod according to claim 2, which is characterized in that two rod ends being connect with the same link block
The rod end of bulb is mutually parallel, and the equal length of rod end.
4. scalable guide rod according to claim 2, which is characterized in that the second end of the first connecting rod and/or institute
The end face for stating the second end of second connecting rod is provided with first groove in the direction for concaving towards the first end, the link block with it is described
Protrusion is provided on first connecting rod or the opposite surface of the second connecting rod, the protrusion connects with first groove interference fit
It connects,
Alternatively, the link block surface opposite with the first connecting rod or the second connecting rod is provided with the second groove, it is described
First connecting rod or the second connecting rod are connected with second groove interference fit.
5. scalable guide rod according to claim 2, which is characterized in that the first connecting rod and/or second company
Bar is integrally formed with corresponding link block.
6. scalable guide rod according to claim 1, which is characterized in that two rod end bulbs being connect with the same end
Flexural pivot axis is mutually parallel, and vertical with the upper surface of the first connecting rod or the second connecting rod.
7. scalable guide rod according to claim 1, which is characterized in that two rod end bulbs being connect with the same end
Flexural pivot axis on the same line, and in the same plane with the axis of the first connecting rod or the second connecting rod.
8. scalable guide rod according to claim 1, which is characterized in that connect with the second end of the first connecting rod
The centre of sphere line of two rod end bulbs and the centre of sphere line for two rod end bulbs being connect with the second end of the second connecting rod are flat
Row.
9. scalable guide rod according to claim 1, which is characterized in that the first end of the first connecting rod is provided with cunning
The first end of dynamic splined shaft, the second connecting rod is provided with free-sliding spline axle sleeve, the free-sliding spline axis and the free-sliding spline
Axle sleeve is connected.
10. scalable guide rod according to claim 9, which is characterized in that the outer surface of the free-sliding spline axis and institute
The inner surface for stating free-sliding spline axle sleeve is coated with polymeric coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241385.9A CN108583186A (en) | 2018-03-22 | 2018-03-22 | A kind of scalable guide rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241385.9A CN108583186A (en) | 2018-03-22 | 2018-03-22 | A kind of scalable guide rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108583186A true CN108583186A (en) | 2018-09-28 |
Family
ID=63627126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810241385.9A Pending CN108583186A (en) | 2018-03-22 | 2018-03-22 | A kind of scalable guide rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108583186A (en) |
Citations (10)
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|---|---|---|---|---|
| FR1434219A (en) * | 1965-01-19 | 1966-04-08 | Florimond & Chabardes Ets | Ball joint |
| US5368408A (en) * | 1992-02-28 | 1994-11-29 | Rhythm Corporation | Ball-and-socket joint |
| US6164860A (en) * | 1998-05-28 | 2000-12-26 | Musashi Seimitsu Kogyo Kabushiki Kaisha | Joint assembly for car steering systems |
| JP2002012015A (en) * | 2000-04-27 | 2002-01-15 | Nissan Motor Co Ltd | Suspension device |
| DE10050773A1 (en) * | 2000-10-13 | 2002-04-18 | Zahnradfabrik Friedrichshafen | Axle suspension for rigid axles of esp. utility vehicles has four-point linkage formed as torsion bar link of two hollow tubular parts with articulated arms at the ends |
| US20020163151A1 (en) * | 2001-05-03 | 2002-11-07 | Timoney Eanna Pronsias | Modular ball-joint assembly |
| CN101415573A (en) * | 2006-03-30 | 2009-04-22 | Zf腓特烈港股份公司 | Wheel-guiding stabiliser device |
| CN101415570A (en) * | 2006-03-30 | 2009-04-22 | Zf腓特烈港股份公司 | Wheel-guiding strut for an active chassis |
| CN104210547A (en) * | 2014-08-29 | 2014-12-17 | 万向钱潮股份有限公司 | Linear translation type front suspension system integrated with steering and driving functions |
| CN208232730U (en) * | 2018-03-22 | 2018-12-14 | 清华大学 | A kind of scalable guide rod |
-
2018
- 2018-03-22 CN CN201810241385.9A patent/CN108583186A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1434219A (en) * | 1965-01-19 | 1966-04-08 | Florimond & Chabardes Ets | Ball joint |
| US5368408A (en) * | 1992-02-28 | 1994-11-29 | Rhythm Corporation | Ball-and-socket joint |
| US6164860A (en) * | 1998-05-28 | 2000-12-26 | Musashi Seimitsu Kogyo Kabushiki Kaisha | Joint assembly for car steering systems |
| JP2002012015A (en) * | 2000-04-27 | 2002-01-15 | Nissan Motor Co Ltd | Suspension device |
| DE10050773A1 (en) * | 2000-10-13 | 2002-04-18 | Zahnradfabrik Friedrichshafen | Axle suspension for rigid axles of esp. utility vehicles has four-point linkage formed as torsion bar link of two hollow tubular parts with articulated arms at the ends |
| US20020163151A1 (en) * | 2001-05-03 | 2002-11-07 | Timoney Eanna Pronsias | Modular ball-joint assembly |
| CN101415573A (en) * | 2006-03-30 | 2009-04-22 | Zf腓特烈港股份公司 | Wheel-guiding stabiliser device |
| CN101415570A (en) * | 2006-03-30 | 2009-04-22 | Zf腓特烈港股份公司 | Wheel-guiding strut for an active chassis |
| CN104210547A (en) * | 2014-08-29 | 2014-12-17 | 万向钱潮股份有限公司 | Linear translation type front suspension system integrated with steering and driving functions |
| CN208232730U (en) * | 2018-03-22 | 2018-12-14 | 清华大学 | A kind of scalable guide rod |
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