CN202574527U - Independent suspension device of three-wheel electromobile - Google Patents

Independent suspension device of three-wheel electromobile Download PDF

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Publication number
CN202574527U
CN202574527U CN 201220067702 CN201220067702U CN202574527U CN 202574527 U CN202574527 U CN 202574527U CN 201220067702 CN201220067702 CN 201220067702 CN 201220067702 U CN201220067702 U CN 201220067702U CN 202574527 U CN202574527 U CN 202574527U
Authority
CN
China
Prior art keywords
swing arm
independent suspension
electric vehicle
frame unit
suspension frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220067702
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Chinese (zh)
Inventor
胡志刚
席鹏东
刘巍
马芳武
潘之杰
赵福全
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.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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
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Priority to CN 201220067702 priority Critical patent/CN202574527U/en
Application granted granted Critical
Publication of CN202574527U publication Critical patent/CN202574527U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an independent suspension device of a three-wheel electromobile and solves the problems that an existing three-wheel electromobile is large in occupied space and poor in comfort. The independent suspension device of the three-wheel electromobile is arranged between two wheels, and comprises an upper swing arm piece, a lower swing arm piece, a shock absorber arranged in an inclined mode, a support seat arranged between the two wheels and two knuckles which are respectively arranged on the inner sides of the two wheels, wherein one end of the upper swing arm piece and one end of the lower swing arm piece are respectively connected with one knuckle, the relative end of the upper swing arm piece and the relative end of the lower swing arm piece are respectively connected with the support seat, one end of the shock absorber is connected with the support seat, and the relative end of the shock absorber is connected with the lower swing arm piece or the knuckles. When the independent suspension device of the three-wheel electromobile is used, the wheels can keep perpendicular to ground from beginning to end at the time that an altitude difference occurs between the two wheels so that a three-wheel electromobile body can not incline at the time that a wheel tread is reduced, and conditions of running away and turning over of the whole three-wheel electromobile body caused by excursion of the gravity center can be avoided. Meanwhile, the independent suspension device of the three-wheel electromobile can effectively reduce shocking of road faces on the wheels.

Description

A kind of independent suspension frame unit of three-wheeled electric vehicle
Technical field
The utility model belongs to electro-tricycle accessory technical field, relates to a kind of draft hitch.
Background technology
Electro-tricycle is on the basis of original common three-wheel vehicle, to grow up, and is that a kind of storage battery that utilizes provides electric power, and motor is holding that drives or the transportation means of hauling goods.The suspension of existing electro-tricycle comprises an axle, and this is located between the two-wheeled, and is connected with two-wheeled.This suspension frame structure is simple, has realized supporting the function of car body, transmission power.But when one of them wheel ran into protruding or recessed ground, two wheels will form diff-H; Because two-wheeled connects through axle, wheel and axle be with respect to terrain slope, and being positioned over two car bodies on the wheel also can run-off the straight; At this moment, skew has also taken place in the center of gravity of car load, and the suffered gravity of left and right wheels is inconsistent; Thereby produce the tractive force that varies in size separately, and so just front-wheel is produced a deflecting torque, form partially and run; Need the user to use bigger trying hard to keep to hold the three-wheel vehicle direction like this, make user's driving fatigue easily.In the time of outside the center of gravity of car load has been left the bearing surface that three wheels form, car load has just been translated into.So for security of users is considered; Use wheelspan between the three-wheel vehicle two-wheeled of suspension of this structure must just can avoid the phenomenon of running and overturning partially greatly; But so just cause the volume of car load bigger, taken user's living space, brought inconvenience for user's life.And along with the development of society, the user also more pays attention to comfortable, the safety and convenient of driving.Existing suspension has obviously satisfied not user's demand.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology; Propose a kind of independent suspension frame unit of three-wheeled electric vehicle, avoided electro-tricycle to be expert at when this device has dwindled the wheelspan of electro-tricycle crossing occurring easily in the car situation of running partially, overturning.
The purpose of the utility model can realize through following technical proposal: a kind of independent suspension frame unit of three-wheeled electric vehicle; It is located between two wheels, said independent suspension frame unit comprise top link spare, down swing arm part, the bumper that is obliquely installed, be located at supporting seat between two wheels, and two be fixedly arranged on the inboard steering swivel of two wheels respectively; One end of said top link spare is connected with steering swivel respectively with an end of following swing arm part, and the opposite end of said top link spare is connected with supporting seat respectively with the opposite end of following swing arm part; One end of said bumper is connected with supporting seat, and its opposite end is connected with following swing arm part or steering swivel.
Setting wherein one, what fixedly connected to the inner side with wheel is first steering swivel, and what be connected with an other wheel is second steering swivel.Set with the first steering swivel bonded assembly be the first top link spare and first time swing arm part, with the second steering swivel bonded assembly be the second top link spare and second time swing arm part.One end and the supporting seat of described top link spare one end and following swing arm part are hinged, and its opposite end and steering swivel are hinged.Two wheels are under the support of draft hitch, and pulsation-free is placed on the level land, and keep vertically with ground; When one of them wheel is run into protruding or recessed road surface; This wheel can make progress or move downward, and at this moment, bumper receives force compresses; Because top link spare is connected on the same supporting seat with following swing arm part; The distance that changes between the distance that changes between the first top link spare and the second top link spare and first time swing arm part and the second time swing arm part is identical, has so just realized that this wheel still keeps vertically avoiding electro-tricycle and road surface run-off the straight and lack of equilibrium with the road surface; Cause running partially phenomenon, even overturn; Simultaneously, under the effect of bumper, the concavo-convex road surface of minimizing of electro-tricycle ability amplitude peak has strengthened the life-span of electro-tricycle and the traveling comfort that the user uses to the impact of car load.
In the independent suspension frame unit of above-mentioned three-wheeled electric vehicle, said supporting seat has some hold-down arms that extend along the electric vehicle running direction; The opposite end of said top link spare and following swing arm part is located on the hold-down arm respectively.Supporting seat simple in structure, easy to process reduced cost of manufacture.
In the independent suspension frame unit of above-mentioned three-wheeled electric vehicle, the swing arm part had the connecting arm of two spaces respectively under said top link spare reached, and the free end of said connecting arm is provided with along the extension of electric vehicle running direction and is sheathed on first sleeve on the hold-down arm.Connecting arm has strengthened the intensity of top link spare and following swing arm part, and the safety of electro-tricycle is further improved; Said first jacket casing is located on the hold-down arm of supporting seat, has realized that top link spare and following swing arm part and supporting seat are articulated and connected.
In the independent suspension frame unit of above-mentioned three-wheeled electric vehicle, said supporting seat has some pipe links that join end to end into the frame shape, and an end of said hold-down arm is located at the junction of adjacent pipe link.When forming diff-H between two wheels, the distance that changes between distance that changes between the top link spare and the following swing arm part is identical; Realized that wheel keeps vertically with ground all the time, avoided the inclination of wheel to cause the wear of wheel aggravation.
In the independent suspension frame unit of above-mentioned three-wheeled electric vehicle, said top link spare laterally arranges with following swing arm part.
Top link spare and following swing arm part are stressed evenly like this, when the user operates wheel and turns to, avoid causing the steering swivel discontinuity because of top link spare and following swing arm part discontinuity, and then it are dumb to cause the user to turn to; Top link spare is connected with the hold-down arm of supporting seat respectively with following swing arm part; Top link spare laterally arranges with following swing arm part, and so, the connecting arm of supporting seat also laterally arranges; Facilitate the mass production of supporting seat like this; Simultaneously, the space that the supporting seat of this shape occupies is minimum, has reduced the volume of three-wheel vehicle.
In the independent suspension frame unit of above-mentioned three-wheeled electric vehicle, the swing arm part was connected with steering swivel through ball end respectively under said top link spare reached.Wheel assembly can be turned to flexibly.
In the independent suspension frame unit of above-mentioned three-wheeled electric vehicle; Said bumper comprises axially extended first pillar stiffener and second pillar stiffener and is sheathed on the elastic element on second pillar stiffener; Said first pillar stiffener is provided with one and axially runs through the accepting groove that said first pillar stiffener far descends swing arm part end, and said second pillar stiffener and elastic element partly are contained in the said accepting groove; One end of said second pillar stiffener be located in the accepting groove and with the diapire space of accepting groove, said accepting groove is stretched out in the opposite end of said second pillar stiffener; One end of said elastic element is located on the diapire of said accepting groove, and the opposite end of said elastic element is stretched out said accepting groove and is resisted against on the free end of second pillar stiffener.Bumper uses less component assembly to form, and is simple in structure, and low cost of manufacture is convenient to maintenance.
In the independent suspension frame unit of above-mentioned three-wheeled electric vehicle, the end that said second pillar stiffener stretches out accepting groove is provided with second sleeve along the extension of three-wheel vehicle travel direction, and said second jacket casing is located on the hold-down arm; The opposite end of said elastic element is resisted against on the outer peripheral face of second sleeve.
In the independent suspension frame unit of above-mentioned three-wheeled electric vehicle, said second sleeve is located between two first sleeves of top link spare.Make supporting seat stressed evenly like this, prolonged the service life of supporting seat.
In the independent suspension frame unit of above-mentioned three-wheeled electric vehicle, said bumper is a liquid damper.Damping effect is obvious, long service life.
The advantage of the independent suspension frame unit of this three-wheeled electric vehicle:
1, this independent suspension frame unit is located between two wheels and with two wheels and is connected, and it comprises supporting seat, top link spare, following swing arm part and bumper; Wheel ability pulsation-free under the support of this independent suspension frame unit is positioned on the road surface and keeps vertically in the road surface; When one of them wheel ran into protruding or pit, two wheels can form diff-H, but under the effect of independent suspension; Two wheels can keep vertically with the road surface that contacts all the time; Can avoid electro-tricycle and road surface run-off the straight like this and lack of equilibrium causes running partially phenomenon, even overturn.
2, electro-tricycle is under the effect of bumper, and the concavo-convex road surface of minimizing of bumper ability amplitude peak has strengthened the life-span of electro-tricycle and the traveling comfort that the user uses to the impact of car load.
Description of drawings
Fig. 1 is the assembly drowing of the independent suspension frame unit of this three-wheeled electric vehicle.
Fig. 2 is the exploded drawings of the independent suspension frame unit of this three-wheeled electric vehicle.
Among the figure, 1, wheel; 10, steering swivel; 21, top link spare; 22, following swing arm part; 23 first top link spares; 24, the second top link spare; 25, first time swing arm part; 26, second time swing arm part; 27, ball end; 28, connecting arm; 29, first sleeve; 30, bumper; 31, first pillar stiffener; 32, second pillar stiffener; 33, spring; 34, second sleeve; 40, supporting seat; 41, pipe link; 42, hold-down arm.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
See also Fig. 1, the independent suspension frame unit of this three-wheeled electric vehicle is arranged between two wheels 1, and it comprises two steering swivels 10, top link spare 21, following swing arm part 22, supporting seat 40 and two bumpers 30.
See also Fig. 1 and Fig. 2, setting wherein one, what fixedly connected to the inner side with wheel 1 is first steering swivel 10, and what be connected with an other wheel 1 is second steering swivel 10.Supporting seat 40 is arranged between two wheels 1.Supporting seat 40 comprises some pipe links 41 and some hold-down arms 42; Said pipe link 41 joins end to end and forms the frame type, and an end of said hold-down arm 42 is located at the junction of adjacent pipe link 41.In actual production, the quantity of pipe link 41 and hold-down arm 42 can be four, five or the six roots of sensation.As preferential embodiment, the supporting seat 40 of present embodiment comprises the pipe link 41 of four hold-down arms 42 and four formation rectangles that join end to end, and an end of hold-down arm 42 is located at the junction of adjacent pipe link 41.Supporting seat 40 is set is regular shape, be convenient to the mass production of processing, the average unit cost of having practiced thrift supporting seat 40 like this.
Please continue to consult Fig. 1 and Fig. 2, setting between first steering swivel 10 and the supporting seat 40 and between second steering swivel 10 and the supporting seat 40 is being the first top link spare 23 and the second top link spare 24; Setting between first steering swivel 10 and the supporting seat 40 and between second steering swivel 10 and the supporting seat 40 is being first time swing arm part 25 and second time swing arm part 26; Top link spare 21 laterally arranges with following swing arm part 22.The first top link spare 23 comprises connecting arm 28, ball end 27 and first sleeve 29 of two spaces.One end of a said wherein connecting arm 28 and an end of an other connecting arm 28 link together, and an end that links together at two connecting arms 28 is provided with ball end 27, and ball end 27 is arranged on the steering swivel 10, has realized the function that wheel 1 turns to flexibly like this.Ball end far away 27 ends of two connecting arms 28 are respectively equipped with first sleeve 29 that extends along the electric vehicle running direction, and described first sleeve 29 is sheathed on the hold-down arm 42, have realized that like this first top link spare 23 is articulated and connected with supporting seat 40.Remaining second top link spare 24, first time swing arm part 25 and second time swing arm part 26 and the first top link spare, 23 functions, structural similitude.
Please continue to consult Fig. 1 and Fig. 2, two bumpers 30 bevelled respectively are arranged at down between swing arm part 22 and the supporting seat 40.Bumper 30 comprises first pillar stiffener 31, second pillar stiffener 32, second sleeve 34 and the elastic element.First pillar stiffener 31 extends vertically, and first pillar stiffener 31 and following swing arm part 22 are hinged; In practical application, first pillar stiffener 31 also can be connected with steering swivel 10.Swing arm part 22 ends are provided with the accepting groove that runs through said first pillar stiffener 31 vertically under the distance.One end of second pillar stiffener 32 is located in the accepting groove; Its opposite end cover stretches out accepting groove; And be fixed with second sleeve 34 that extends along the three-wheel vehicle travel direction in this opposite end; Said second sleeve 34 is sheathed on the hold-down arm 42 and between two first sleeves 29 of top link spare 21, makes supporting seat 40 stressed even like this, has prolonged the service life of supporting seat 40; Realized that so also bumper 30 and supporting seat 40 are articulated and connected.Elastic element can be selected spring 32 or flexure strip.Elastic element is sheathed on the end that second pillar stiffener 32 stretches out accepting groove; And an end of elastic element is compressing the diapire of accepting groove, and perhaps this end is compressing on the end face of first pillar stiffener, 31 swing arm part 22 ends down far away; The outer peripheral face that the opposite end of elastic element is compressing second sleeve 34 makes the diapire that is not provided with socket end and accepting groove of second pillar stiffener 32 that certain interval arranged.The bumper 30 of this structure uses less component assembly to form, and is simple in structure, and low cost of manufacture is convenient to maintenance.In actual production, bumper 30 also can use liquid damper, and these bumper 30 damping effects are obvious, long service life.
Please continue to consult Fig. 1 and Fig. 2, two wheels, 1 pulsation-free that independent suspension frame unit is installed is placed on the level land, and under the support of draft hitch, two wheels 1 keep vertically with ground.When one of them wheel was run into protruding or recessed road surface, this wheel can make progress or move downward, at this moment; Bumper 30 receives force compresses, and owing to top link spare 21 and following swing arm part 22 are connected on the same supporting seat 40, and top link spare 21 laterally arranges with following swing arm part 22; Like this; The distance that changes between the distance that changes between the first top link spare 23 and the second top link spare 24 and first time swing arm part 25 and the second time swing arm part 26 is identical, has so just realized that this wheel 1 still keeps vertically avoiding electro-tricycle and road surface run-off the straight and lack of equilibrium with the road surface; Cause running partially phenomenon, even overturn; Simultaneously, under the effect of bumper 30, the concavo-convex road surface of minimizing of electro-tricycle ability amplitude peak has strengthened the life-span of electro-tricycle and the traveling comfort that the user uses to the impact of car load.
Please continue to consult Fig. 1 and Fig. 2; The independent suspension frame unit of the second embodiment three-wheeled electric vehicle of the utility model is similar with the 26S Proteasome Structure and Function of the independent suspension frame unit of the first embodiment three-wheeled electric vehicle, and its difference is: described bumper 30 is not provided with second sleeve 34.The end that said elastic element stretches out said accepting groove is resisted against on the free end of second pillar stiffener 32; The free end of said second pillar stiffener 32 is articulated in hold-down arm 42.This bumper 30 is simple in structure, easy to assembly.
In sum, the independent suspension frame unit of this three-wheel vehicle is located between two wheels 1, and it comprises steering swivel 10, top link spare 21, following swing arm part 22, bumper 30 and supporting seat 40; When this device had realized that two wheels 1 form diff-H, wheel 1 kept vertically with ground all the time, when can make wheel 1 reduce wheelspan like this and do not make the car body run-off the straight, avoided the skew of car load center of gravity and the situation of running partially and overturning.Simultaneously, this device can also reduce the impact of road surface to wheel 1 by actv..
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.

Claims (10)

1. the independent suspension frame unit of a three-wheeled electric vehicle; It is located between two wheels (1); It is characterized in that, said independent suspension frame unit comprise top link spare (21), down swing arm part (22), the bumper (30) that is obliquely installed, be located at supporting seat (40) between two wheels (1), and two be fixedly arranged on the inboard steering swivel (10) of two wheels (1) respectively; One end of one end of said top link spare (21) and following swing arm part (22) is connected with steering swivel (10) respectively, and the opposite end of the opposite end of said top link spare (21) and following swing arm part (22) is connected with supporting seat (40) respectively; One end of said bumper (30) is connected with supporting seat (40), and its opposite end is connected with following swing arm part (22) or steering swivel (10).
2. the independent suspension frame unit of three-wheeled electric vehicle according to claim 1 is characterized in that, said supporting seat (40) has some hold-down arms (42) that extend along the electric vehicle running direction; The opposite end of said top link spare (21) and following swing arm part (22) is located at respectively on the hold-down arm (42).
3. the independent suspension frame unit of three-wheeled electric vehicle according to claim 2; It is characterized in that; Swing arm part (22) had the connecting arm (28) of two spaces respectively under said top link spare (21) reached, and the free end of said connecting arm (28) is provided with along the extension of electric vehicle running direction and is sheathed on first sleeve (29) on the hold-down arm (42).
4. according to the independent suspension frame unit of claim 2 or 3 described three-wheeled electric vehicles, it is characterized in that said supporting seat (40) has some pipe links (41) that join end to end into the frame shape, an end of said hold-down arm (42) is located at the junction of adjacent pipe link (41).
5. according to the independent suspension frame unit of each described three-wheeled electric vehicle among the claim 1-3, it is characterized in that said top link spare (21) laterally arranges with following swing arm part (22).
6. according to the independent suspension frame unit of each described three-wheeled electric vehicle among the claim 1-3, it is characterized in that swing arm part (22) was connected with steering swivel (10) through ball end (27) respectively under said top link spare (21) reached.
7. the independent suspension frame unit of three-wheeled electric vehicle according to claim 3; It is characterized in that; Said bumper (30) comprises axially extended first pillar stiffener (31) and second pillar stiffener (32) and is sheathed on the elastic element on second pillar stiffener (32); Said first pillar stiffener (31) is provided with one and axially runs through the accepting groove that said first pillar stiffener (31) far descends swing arm part (22) end, and said second pillar stiffener (32) and elastic element partly are contained in the said accepting groove; One end of said second pillar stiffener (32) be located in the accepting groove and with the diapire space of accepting groove, said accepting groove is stretched out in the opposite end of said second pillar stiffener (32); One end of said elastic element is located on the diapire of said accepting groove, and the opposite end of said elastic element is stretched out said accepting groove and is resisted against on the free end of second pillar stiffener (32).
8. the independent suspension frame unit of three-wheeled electric vehicle according to claim 7; It is characterized in that; The end that said second pillar stiffener (32) stretches out accepting groove is provided with second sleeve (34) along the extension of three-wheel vehicle travel direction, and said second sleeve (34) is sheathed on the hold-down arm (42); The opposite end of said elastic element is resisted against on the outer peripheral face of second sleeve (34).
9. the independent suspension frame unit of three-wheeled electric vehicle according to claim 8 is characterized in that, said second sleeve (34) is located between two first sleeves (29) of top link spare (21).
10. according to the independent suspension frame unit of each described three-wheeled electric vehicle among claims 1-3, it is characterized in that said bumper (30) is a liquid damper.
CN 201220067702 2012-02-28 2012-02-28 Independent suspension device of three-wheel electromobile Expired - Fee Related CN202574527U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220067702 CN202574527U (en) 2012-02-28 2012-02-28 Independent suspension device of three-wheel electromobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220067702 CN202574527U (en) 2012-02-28 2012-02-28 Independent suspension device of three-wheel electromobile

Publications (1)

Publication Number Publication Date
CN202574527U true CN202574527U (en) 2012-12-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220067702 Expired - Fee Related CN202574527U (en) 2012-02-28 2012-02-28 Independent suspension device of three-wheel electromobile

Country Status (1)

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CN (1) CN202574527U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106005167A (en) * 2016-04-01 2016-10-12 上海易吉动力科技有限公司 All-terrain electric power-assisted tricycle
CN109835132A (en) * 2019-03-12 2019-06-04 合肥工业大学 A kind of front suspension self-checking device of unmanned equation motorcycle race

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106005167A (en) * 2016-04-01 2016-10-12 上海易吉动力科技有限公司 All-terrain electric power-assisted tricycle
CN109835132A (en) * 2019-03-12 2019-06-04 合肥工业大学 A kind of front suspension self-checking device of unmanned equation motorcycle race
CN109835132B (en) * 2019-03-12 2021-12-14 合肥工业大学 Front suspension automatic regulating device of formula car of unmanned driving

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20121205

Termination date: 20210228