CN106585312A - Transverse plate spring type independent suspension structure - Google Patents

Transverse plate spring type independent suspension structure Download PDF

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Publication number
CN106585312A
CN106585312A CN201610943958.3A CN201610943958A CN106585312A CN 106585312 A CN106585312 A CN 106585312A CN 201610943958 A CN201610943958 A CN 201610943958A CN 106585312 A CN106585312 A CN 106585312A
Authority
CN
China
Prior art keywords
assembly
leaf spring
independent suspension
suspension structure
type independent
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.)
Pending
Application number
CN201610943958.3A
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Chinese (zh)
Inventor
白瑞平
韩万龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Hong Rui Auto Technology Co Ltd By Shares
Original Assignee
Beijing Hong Rui Auto Technology Co Ltd By Shares
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Hong Rui Auto Technology Co Ltd By Shares filed Critical Beijing Hong Rui Auto Technology Co Ltd By Shares
Priority to CN201610943958.3A priority Critical patent/CN106585312A/en
Publication of CN106585312A publication Critical patent/CN106585312A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00Resilient suspensions for a single wheel
    • B60G3/18Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/28Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram at least one of the arms itself being resilient, e.g. leaf spring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/10Independent suspensions
    • B60G2200/14Independent suspensions with lateral arms
    • B60G2200/144Independent suspensions with lateral arms with two lateral arms forming a parallelogram
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10Constructional features of arms
    • B60G2206/15Constructional features of arms the arm being resilient
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40Constructional features of dampers and/or springs
    • B60G2206/42Springs
    • B60G2206/428Leaf springs

Abstract

The invention provides a t transverse plate spring type independent suspension structure. The transverse plate spring type independent suspension structure comprises a knuckle pivot assembly, an upper fork arm assembly, a steering gear assembly, a tie rod assembly, a front vibration damper assembly and a transverse plate spring assembly. Since a transverse plate spring scheme is employed, a transverse plate spring replaces left and right lower swing arms and also has the effect of a transverse stabilization rod, an inclined pull bar structure is omitted, a guide effect is exhibited, one component has multiple functions, the structure is simpler, the weight of a front suspension structure is greatly reduced, the rigidity of the plate spring assembly is enhanced through a corresponding clamping structure, a reed is not offset back and forth when the structure handles impact from the front side of an automobile, the structure especially reduces the dimension of the front suspension structure in a height direction, and the structure is suitable for a miniaturized motor vehicle and a miniaturized electric vehicle.

Description

A kind of transversal leaf spring type independent suspension structure
Technical field
The present invention relates to Automobile Design manufacturing technology field, more particularly to a kind of transversal leaf spring type independent suspension structure.
Background technology
At present, the propons of domestic and international vehicle is more, widely used to forgive MacPherson type independence option and double fork arm type equals are only Vertical suspension etc., the former, as main load-carrying unit, need to be separately provided transverse arresting apparatus using helical spring, and the latter is to manufacture Required precision is strict, high cost, it is difficult to be used widely.
Existing leaf spring two ends connected mode, is connected using grasswort more, and this connection has gap, has during traveling Sound;Arrangement mostly is and is longitudinally arranged, and both sides are symmetrical, complex structure, it is difficult to real loss of weight;Steel spring plate is adopted material more, Its density is big, and unit mass energy storage is low, and fatigue strength is low, once fracture will produce serious consequence.Existing small-sized electric vehicle is only Vertical suspension mostly is MacPherson type structure, usually contains QS, brace, swing arm etc., and parts are more, complex structure, and Short transverse takes up room greatly, seriously limits the exterior design of car load, and double fork arm type equal suspension frame structures are complicated, to parts essence Degree requires high, high cost, it is difficult to extensively apply in small-sized electric vehicle.
The content of the invention
The purpose of the present invention is to manufacture and design a kind of simple structure, safeguards simple, and lightweight, low cost of manufacture safely may be used Lean on, the front overhang constructional device of the good minicar of comfortableness, in addition, the present invention especially reduces chi of the front overhang structure in short transverse It is very little, make car load exterior design have a bigger performance space, and the installation requirement of front overhang, vehicle body are met by vehicle frame suitably increases Non-carrying type structure is may be designed as, the weight of car load is significantly reduced.
The present invention is specifically adopted the following technical scheme that:Independent suspension structure includes knuckle assembly, upper yoke assembly, turns to Device assembly, tie rod assembly, bracket of shock absorber, transverse leaf spring assembly, it is characterised in that:Transverse leaf spring assembly is bow beam knot Structure and relative to vehicle body lateral arrangement, fore sub frame bottom is connected on the center of transverse leaf spring assembly, and transverse leaf spring is total Longeron lower section is pressed on into by gum cover structure, the two ends of transverse leaf spring assembly are connected by swing arm bulb with knuckle assembly lower end Connect, bracket of shock absorber lower end is connected to the two ends of transverse leaf spring assembly or is fixed on knuckle assembly lower end, knuckle assembly Upper end is connected with upper yoke assembly by bulb, and bracket of shock absorber upper end passes through before mounting bracket and vehicle frame with upper yoke assembly End connection, steering assembly is connected by tie rod assembly with knuckle assembly.
Preferably, the transverse leaf spring assembly steel spring plate is manufactured into arch girder construction, and is aligned by monolithic or multi-disc leaf spring Overlap links together composition.
Preferably, leaf spring is manufactured using fiberglass reinforced plastics, and plus lap is linked together by monolithic or multi-disc leaf spring Constitute.
Preferably, bracket of shock absorber is cylinder type damper and is symmetrically arranged relative to vehicle body.
Preferably, when bracket of shock absorber lower end is packed on transverse leaf spring assembly, the transversal leaf spring type independent suspension knot Structure includes vibroshock lower end mounting bracket.
Preferably, when bracket of shock absorber lower end is packed in knuckle assembly, the transversal leaf spring type independent suspension structure Not comprising vibroshock lower end mounting bracket.
Preferably, the upper yoke assembly main body is formed by steel plate punched or casting, and it passes through bulb with knuckle assembly upper end Structure connects, and the upper yoke assembly is connected using gum cover structure and upper yoke mounting bracket with vehicle frame, the upper yoke assembly A mounting bracket is shared with bracket of shock absorber, the upper yoke assembly is symmetrically arranged relative to vehicle body.
Preferably, mount point of the steering assembly body comprising casting, and be connected on fore sub frame by this mount point.
The operation principle of the present invention:The plate spring assembly is manufactured into arch girder construction from steel spring plate, and by monolithic or Multi-disc leaf spring is to plus lap and links together, and the two ends of plate spring assembly are connected by swing arm bulb with knuckle assembly lower end. This kind of bulb type connected mode compared with grasswort formula connected mode, can be obviously reduced traveling in noise and can realize wheel from By turning to, leaf spring plays the interconnection function of front axle by the connection with knuckle assembly, the characteristics of due to material itself, also acts as The cushioning effect of spring, the gum cover structure below longeron is pressed on so that plate spring assembly has excellent longitudinal rigidity, generation by leaf spring Lower yoke is replaced.In vehicle travel process, when the road surface of wheels travel is uneven, horizontal plate spring assembly, upper yoke are total Into swinging up and down, certain guide effect is moved to wheel, meanwhile, front vibroshock constantly compresses, upholds, and plays and subtracts Bestir oneself use, when steering gear rack acts on drag link, the left and right turn of wheel is can be achieved with, for further loss of weight, leaf spring The fiberglass reinforced plastics (GFRP) that required specification can be adopted is manufactured.
The present invention is because using transverse leaf spring scheme, horizontal leaf spring instead of left and right lower swing arm, and have lateral stability concurrently The effect of bar, eliminates brace structure, and serves the effect of guiding, and a parts have multiple function, make structure more Plus it is simple, greatly reduce the weight of front overhang, it is preferred that when leaf spring is also adopted by the fiberglass reinforced plastics of required specification (GFRP) when manufacturing, further loss of weight is realized.
The present invention safeguards simple, lightweight, manufacturing cost due to causing its simple structure using above-mentioned technical scheme Low, safe and reliable, comfortableness is good, and in addition the present invention especially reduces size of the front overhang structure in short transverse, makes car load external form Bigger performance space has been designed with it, and the installation requirement of front overhang has been met by vehicle frame suitably increases, vehicle body has may be designed as non-holding Load formula structure, significantly reduces the weight of car load, compares traditional leaf spring grasswort connected mode, and the present invention adopts bulb connection side Formula, especially reduce traveling in leaf spring noise and freely turning to for wheel can be realized, when leaf spring is also adopted by the glass of required specification When glass fibre reinforced plastics (GFRP) are manufactured, further loss of weight is realized, and coordinate the use of front vibroshock so that vibration damping Effect is remarkably reinforced, it is adaptable to cyclecar and small-sized electric car.
Description of the drawings
Fig. 1 is the front view of leaf spring scheme of the present invention.
Fig. 2 is the top view of leaf spring scheme of the present invention.
Fig. 3 is the axonometric drawing of leaf spring scheme of the present invention.
Fig. 4 is the front view of fiberglass reinforced plastics scheme of the present invention.
Fig. 5 is the top view of fiberglass reinforced plastics scheme of the present invention.
Fig. 6 is the axonometric drawing of fiberglass reinforced plastics scheme of the present invention.
Specific embodiment
With reference to Fig. 1-Fig. 6, the present invention provides a kind of transversal leaf spring type independent suspension structure, including knuckle assembly 1/7, upper yoke Assembly 3/5, steering assembly 4, tie rod assembly 2/6, bracket of shock absorber 8/10, transverse leaf spring assembly 9.
The transverse leaf spring assembly is manufactured into arch girder construction from steel spring plate, and aligns weight by monolithic or multi-disc leaf spring Fold and link together, the two ends of plate spring assembly are connected by swing arm bulb with knuckle assembly lower end, leaf spring is adopted with bulb Riveting is spirally connected, it is preferred that for further loss of weight, leaf spring may also be employed the fiberglass reinforced plastics (GFRP) of required specification Manufacture.The two ends of leaf spring are connected by swing arm bulb with knuckle assembly lower end, if multi-disc plate spring structure, also comprising a groove Type sheet metal component, it is connected with subframe, and leaf spring is coated in groove, prevents leaf spring from producing front-back staggered, leaf spring is pressed on vertical Gum cover structure below beam causes plate spring assembly to have more excellent longitudinal rigidity, instead of lower yoke.
There is good rigidity reply from the positive shock of automobile using the leaf spring of said structure form and reed is kept Front-back staggered is less prone to after impact.
The present invention is because using transverse leaf spring scheme, horizontal plate spring assembly instead of left and right lower swing arm, and have concurrently laterally The effect of stabiliser bar, eliminates brace structure, and serves the effect of guiding, and a parts have multiple function, make knot Structure is simpler, greatly reduces the weight of front overhang.
In addition, used as a kind of improvement, the two ends of leaf spring are connected by swing arm bulb with knuckle assembly lower end, this kind of structure The advantage of form is:The gap of leaf spring two ends junction is reduced, when driving, traditional leaf spring connection side is compared Formula, the present invention especially reduce traveling in leaf spring noise and freely turning to for wheel can be realized.
Bracket of shock absorber upper end is connected by front overhang upper end mounting bracket with vehicle frame front end, it is preferred that current vibroshock When assembly lower end is packed in plate spring assembly, also comprising vibroshock lower end mounting bracket, when bracket of shock absorber lower end is packed in When in knuckle assembly, not comprising vibroshock lower end mounting bracket, bracket of shock absorber is cylinder type damper, symmetrical cloth Put.Due to arranging front vibroshock so that effectiveness in vibration suppression is remarkably reinforced.
Mount point of the steering assembly body comprising casting, and be connected on fore sub frame assembly by this mount point.With Not cast mounting means is compared, and it is not smart that this kind of mounting means eliminates the steering caused because of the deformation of rubber parts at mount point Really, improve control stability.
The upper yoke assembly main body is formed by steel plate punched or casting, is connected by ball head structure with knuckle assembly upper end Connect, front overhang upper end mounting bracket is shared using gum cover structure and with bracket of shock absorber when being connected with vehicle frame, can bear certain Torque is combined in bending, is symmetrically arranged, and is shared front overhang upper end mounting bracket and is better assured that front vibroshock and upper yoke Installation accuracy.

Claims (8)

1. a kind of transversal leaf spring type independent suspension structure, the independent suspension structure includes knuckle assembly, upper yoke assembly, turns To device assembly, tie rod assembly, bracket of shock absorber, transverse leaf spring assembly, it is characterised in that:Transverse leaf spring assembly is bow beam Structure and relative to vehicle body lateral arrangement, fore sub frame bottom is connected on the center of transverse leaf spring assembly, transverse leaf spring Assembly is pressed on longeron lower section by gum cover structure, and the two ends of transverse leaf spring assembly are by swing arm bulb and knuckle assembly lower end Connection, bracket of shock absorber lower end is connected to the two ends of transverse leaf spring assembly or is fixed on knuckle assembly lower end, and knuckle is total It is connected by bulb with upper yoke assembly into upper end, bracket of shock absorber upper end is with upper yoke assembly by mounting bracket and vehicle frame Front end connects, and steering assembly is connected by tie rod assembly with knuckle assembly.
2. transversal leaf spring type independent suspension structure according to claim 1, it is characterised in that:The transverse leaf spring assembly is used Steel spring plate is manufactured into arch girder construction, and plus lap is linked together and is constituted by monolithic or multi-disc leaf spring.
3. transversal leaf spring type independent suspension structure according to claim 1, it is characterised in that:Leaf spring is increased using glass fibre Strong plastic manufacturing, and plus lap is linked together and is constituted by monolithic or multi-disc leaf spring.
4. transversal leaf spring type independent suspension structure according to claim 1, it is characterised in that:Bracket of shock absorber is cartridge type Vibroshock is simultaneously symmetrically arranged relative to vehicle body.
5. transversal leaf spring type independent suspension structure according to claim 1, it is characterised in that:When bracket of shock absorber lower end When being packed on transverse leaf spring assembly, the transversal leaf spring type independent suspension structure includes vibroshock lower end mounting bracket.
6. transversal leaf spring type independent suspension structure according to claim 1, it is characterised in that:When bracket of shock absorber lower end When being packed in knuckle assembly, the transversal leaf spring type independent suspension structure does not include vibroshock lower end mounting bracket.
7. transversal leaf spring type independent suspension structure according to claim 1, it is characterised in that:The upper yoke assembly main body Formed by steel plate punched or casting, it is connected with knuckle assembly upper end by ball head structure, the upper yoke assembly passes through glue Nested structure and mounting bracket are connected on vehicle frame, and the upper yoke assembly shares a mounting bracket, institute with bracket of shock absorber State yoke assembly to be symmetrically arranged relative to vehicle body.
8. transversal leaf spring type independent suspension structure according to claim 1, it is characterised in that:The steering assembly body Mount point comprising casting, and be connected on fore sub frame by this mount point.
CN201610943958.3A 2016-11-02 2016-11-02 Transverse plate spring type independent suspension structure Pending CN106585312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610943958.3A CN106585312A (en) 2016-11-02 2016-11-02 Transverse plate spring type independent suspension structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610943958.3A CN106585312A (en) 2016-11-02 2016-11-02 Transverse plate spring type independent suspension structure

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107234934A (en) * 2017-05-08 2017-10-10 武汉理工大学 A kind of multi-connecting-rod separated suspension for commercial car drive axle
CN108638777A (en) * 2018-06-25 2018-10-12 浙江吉利控股集团有限公司 Transverse leaf spring structure and double cross arm structure independent front suspensions
CN108909391A (en) * 2018-06-25 2018-11-30 浙江吉利控股集团有限公司 Major-minor spring structure and suspension

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996027507A1 (en) * 1995-03-06 1996-09-12 Esoro Ag Wheel suspension with transverse leaf-spring suspension
CN2556052Y (en) * 2002-07-23 2003-06-18 北京富新达电动车有限公司 Steel spring plate transversing independent suspension front axle
CN102328562A (en) * 2011-10-09 2012-01-25 中国农业大学 Automobile independent suspension with transverse leaf spring
CN102416836A (en) * 2011-10-30 2012-04-18 刘守银 Transversal leaf spring type front independent suspension mechanism with sliding blocks at two ends
CN102887042A (en) * 2012-09-26 2013-01-23 柳州孔辉汽车科技有限公司 Independent front suspension with transversely arranged steel plate spring
CN103085621A (en) * 2011-10-17 2013-05-08 通用汽车环球科技运作有限责任公司 Wheel suspension device for a motor vehicle
CN103158467A (en) * 2011-12-14 2013-06-19 马格纳斯泰尔汽车技术两合公司 Leaf spring with a rigidly connecte elastic body for a vehicle
CN203995534U (en) * 2014-08-13 2014-12-10 辽宁曙光汽车集团股份有限公司 The independent front suspension of horizontal non-metal leaf spring
WO2015003863A1 (en) * 2013-07-12 2015-01-15 Zf Friedrichshafen Ag Wheel suspension for a motor vehicle having a curved transverse leaf spring
WO2015074819A1 (en) * 2013-11-25 2015-05-28 Zf Friedrichshafen Ag Subframe with built-in transverse leaf springs
CN104723817A (en) * 2015-03-31 2015-06-24 河北开云汽车制造有限公司 Transverse multi-leaf spring steering front axle assembly
CN104742675A (en) * 2015-03-31 2015-07-01 河北开云汽车制造有限公司 Rear axle assembly with multiple transversely-arranged leaf springs and balancing poles
CN204526703U (en) * 2015-03-31 2015-08-05 河北开云汽车制造有限公司 The breakaway-element independent suspension front axle assy of horizontal multi-disc leaf spring
CN206186719U (en) * 2016-11-02 2017-05-24 北京宏瑞汽车科技股份有限公司 Independent suspended structure of transverse leaf spring formula

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996027507A1 (en) * 1995-03-06 1996-09-12 Esoro Ag Wheel suspension with transverse leaf-spring suspension
CN2556052Y (en) * 2002-07-23 2003-06-18 北京富新达电动车有限公司 Steel spring plate transversing independent suspension front axle
CN102328562A (en) * 2011-10-09 2012-01-25 中国农业大学 Automobile independent suspension with transverse leaf spring
CN103085621A (en) * 2011-10-17 2013-05-08 通用汽车环球科技运作有限责任公司 Wheel suspension device for a motor vehicle
CN102416836A (en) * 2011-10-30 2012-04-18 刘守银 Transversal leaf spring type front independent suspension mechanism with sliding blocks at two ends
CN103158467A (en) * 2011-12-14 2013-06-19 马格纳斯泰尔汽车技术两合公司 Leaf spring with a rigidly connecte elastic body for a vehicle
CN102887042A (en) * 2012-09-26 2013-01-23 柳州孔辉汽车科技有限公司 Independent front suspension with transversely arranged steel plate spring
WO2015003863A1 (en) * 2013-07-12 2015-01-15 Zf Friedrichshafen Ag Wheel suspension for a motor vehicle having a curved transverse leaf spring
WO2015074819A1 (en) * 2013-11-25 2015-05-28 Zf Friedrichshafen Ag Subframe with built-in transverse leaf springs
CN203995534U (en) * 2014-08-13 2014-12-10 辽宁曙光汽车集团股份有限公司 The independent front suspension of horizontal non-metal leaf spring
CN104723817A (en) * 2015-03-31 2015-06-24 河北开云汽车制造有限公司 Transverse multi-leaf spring steering front axle assembly
CN104742675A (en) * 2015-03-31 2015-07-01 河北开云汽车制造有限公司 Rear axle assembly with multiple transversely-arranged leaf springs and balancing poles
CN204526703U (en) * 2015-03-31 2015-08-05 河北开云汽车制造有限公司 The breakaway-element independent suspension front axle assy of horizontal multi-disc leaf spring
CN206186719U (en) * 2016-11-02 2017-05-24 北京宏瑞汽车科技股份有限公司 Independent suspended structure of transverse leaf spring formula

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107234934A (en) * 2017-05-08 2017-10-10 武汉理工大学 A kind of multi-connecting-rod separated suspension for commercial car drive axle
CN107234934B (en) * 2017-05-08 2019-03-08 武汉理工大学 A kind of multi-connecting-rod separated suspension for commercial vehicle drive axle
CN108638777A (en) * 2018-06-25 2018-10-12 浙江吉利控股集团有限公司 Transverse leaf spring structure and double cross arm structure independent front suspensions
CN108909391A (en) * 2018-06-25 2018-11-30 浙江吉利控股集团有限公司 Major-minor spring structure and suspension

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Application publication date: 20170426