CN204222565U - New-type independent suspension front axle assy - Google Patents
New-type independent suspension front axle assy Download PDFInfo
- Publication number
- CN204222565U CN204222565U CN201420638926.9U CN201420638926U CN204222565U CN 204222565 U CN204222565 U CN 204222565U CN 201420638926 U CN201420638926 U CN 201420638926U CN 204222565 U CN204222565 U CN 204222565U
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- Prior art keywords
- arm
- assembly
- stub
- independent suspension
- front axle
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- 239000000725 suspension Substances 0.000 title claims abstract description 34
- 230000000295 complement effect Effects 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 239000004519 grease Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003967 crop rotation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses a kind of New-type independent suspension front axle assy, belong to field of automobile.It comprises the independent suspension system of two symmetrical distributions, described independent suspension system comprises hold-down arm, upper A arm, lower A arm, turns to conv, wheel hub and brake disk assembly, brake assembly, vibration damper complement, knuckle assembly, described wheel hub and brake disk assembly, brake assembly are installed in knuckle assembly, described hold-down arm is connected with described knuckle assembly by stub, the two end faces of described stub is provided with the first kingpin bore and the second kingpin bore, and the side-walls of described stub is provided with radial hole; The leaning angle of described stub is 6 °-7.4 °, and its casterangle is 3.3 °-4.6 °.The coupling that the utility model can meet middle-size and small-size passenger vehicle low floor fat pipe is arranged, improve the traveling comfort of passenger vehicle, road-holding property, safety, economy, facilitates getting on or off the bus of passenger.
Description
Technical field
The utility model belongs to field of automobile, more particularly, relates to a kind of New-type independent suspension front axle assy.
Background technology
Propons is generally positioned at the front portion of automobile, also claims steeraxle or driven bridge.Propons is an important total member on automobile, mainly comprises the parts such as steering swivel, steering yoke bolt, front-axle beam.Propons is connected with vehicle frame by suspension, in order to bear outside the vertical load between ground and vehicle frame, also bears the moment that braking force and side force and these power are formed, and the motion that guarantee turns to crop rotation correct.Vehicle bridge is connected with vehicle frame by suspension, supports automobile major part weight, and by the tractive force of wheel or braking force, and side force passes to vehicle frame through suspension.In automobile uses, the force-bearing situation more complicated of steeraxle, therefore should have enough intensity.For ensureing the correct orientation angle of steered wheel, make manipulation light and alleviate the abrasion of tire, steeraxle also should have enough rigidity.In addition, also should alleviate the weight of steeraxle as far as possible.In a word, due in the driving process of automobile, the work under bad environment residing for propons, operating mode is complicated, and its load of bearing also mostly is reverse load.
At present, what domestic middle-size and small-size passenger vehicle front overhang used is all Integral front-axle, Integral steering, drum brake mechanism substantially, Leaf Spring Suspension.The brake efficiency of vehicle is low, and safety is not high, traveling comfort and road-holding property poor.Front axle region can arrangement space limited, the arrangement requirement of bus fat pipe, low floor cannot be met.Therefore, be necessary to design a kind of propons of module supply pattern integrating vehicle bridge, suspension, steering swivel system that can meet middle-size and small-size passenger vehicle low floor fat pipe coupling and arrange.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of New-type independent suspension front axle assy, and it can improve the traveling comfort of passenger vehicle, road-holding property and safety.
To achieve these goals, the technical scheme that adopts of the utility model is as follows:
A kind of New-type independent suspension front axle assy, described front axle assy adopts and disconnects symmetrical structure, it comprises the independent suspension system of two symmetrical distributions, described independent suspension system comprises hold-down arm, upper A arm, lower A arm, turn to conv, wheel hub and brake disk assembly, brake assembly, vibration damper complement, knuckle assembly, described wheel hub and brake disk assembly, brake assembly is installed in knuckle assembly, described hold-down arm is connected with described knuckle assembly by stub, the two end faces of described stub is respectively equipped with the first kingpin bore and the second kingpin bore, described first kingpin bore is connected with described second kingpin bore, the side-walls of described stub is provided with the radial hole communicated with described first kingpin bore and described second kingpin bore, the leaning angle of described stub is 6 °-7.4 °, and its casterangle is 3.3 °-4.6 °.
Further, be provided with axially extending bore between described first kingpin bore and described second kingpin bore, described axially extending bore is communicated with described first kingpin bore and described second kingpin bore; Described radial hole comprises the first radial hole and the second radial hole, and described first radial hole and described second radial hole be arranged in parallel up and down, and both are connected with described axially extending bore respectively; The middle part of described stub is also provided with groove.
Further, between described stub and described knuckle assembly, adopt needle bearing structure, fill non-maintaining grease between each needle roller of described needle bearing, between described stub and described needle bearing, fill non-maintaining grease.
Further, described in turn to conv to be connected with described knuckle assembly by tierod assembly, spindle arm, described in turn between conv with described tierod assembly and be flexibly connected by the 3rd bearing pin.
Further, described upper A arm is connected with the upper and lower side of the second bearing pin with described hold-down arm respectively by the first bearing pin with one end of described lower A arm, and the other end and the car chassis vehicle frame of described upper A arm and described lower A arm are hinged.
Further, the connection of described upper A arm and described lower A arm and vehicle frame adopts rubber bushing; The junction of described hold-down arm and described upper A arm and described lower A arm comprises the first bearing pin or the second bearing pin, the first slotted nut, the first axle sleeve be located on described hold-down arm, clutch shaft bearing is provided with in described first axle sleeve, the two ends of described first axle sleeve are provided with the first oil sealing, and one end of described first bearing pin is connected with described first slotted nut with described clutch shaft bearing through described first axle sleeve.
Further, described clutch shaft bearing has 2, is provided with the first hole back-up ring in the play between described 2 clutch shaft bearings, and described first hole back-up ring is fixed on described hold-down arm.
Further, the leaning angle of described stub is 6.5 °, and casterangle is 4 °.
Compared to prior art, the beneficial effect of the utility model New-type independent suspension front axle assy is:
Propons entirety adopts and disconnects symmetrical structure design, and the main support in left and right does not directly connect, and during the wheel bounce of side, does not have influence on opposite side; Left and right turn conv composition isosceles trapezoid steering structure, guarantees make pure rolling and do not slide when turning; Hold-down arm, turn between conv two bearings and adopt circlip to locate, bearing clearance ensures by slotted nut screw-down torque, and process is easy to assembly, enhances productivity; Hold-down arm design leaning angle 6.5 °, hypsokinesis 4 °, improves its straight line riding stability; Steering swivel adopts needle bearing, avoids stub and liner wear, non-maintaining; Knuckle assembly adopts overall knuckle assembly, and cancel brake clamp adapter plate, brake clamp is directly installed in knuckle assembly, and intensity is strengthened; Wheel hub and brake disk assembly adopt the non-maintaining hub bearing of grease lubrication, need not pull down wheel limit and safeguard; The coupling that the utility model can meet middle-size and small-size passenger vehicle low floor fat pipe is arranged, improve the traveling comfort of passenger vehicle, road-holding property, safety, economy, facilitates getting on or off the bus of passenger.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model New-type independent suspension front axle assy.
Fig. 2 is the birds-eye view of the utility model New-type independent suspension front axle assy.
Fig. 3 is the hold-down arm of the utility model New-type independent suspension front axle assy and the connection structure schematic diagram of upper and lower A arm.
Fig. 4 is the inner connecting structure schematic diagram turning to conv assembly of the utility model New-type independent suspension front axle assy.
Fig. 5 is the structural representation of the stub of the utility model New-type independent suspension front axle assy.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described further.
As shown in Figures 1 to 5, a kind of New-type independent suspension front axle assy, described front axle assy adopts and disconnects symmetrical structure, it comprises the independent suspension system of two symmetrical distributions, described independent suspension system comprises left support arm 1, right support arm 2, 2 stubs 3, upper A arm 4, lower A arm 5, left spindle arm 6, right spindle arm 7, left steering conv assembly 8, right steering conv assembly 9, left steering tie rod assembly 10, right steering tie rod assembly 11, left wheel hub and brake disk assembly 12, right wheel hub and brake disk assembly 13, left brake assembly 14, right brake assembly 15, left compressed air brake cylinder 16, right compressed air brake cylinder 17, air bag assembly 18, vibration damper complement 19, bell crank arm 20, left steering joint assembly 21, right steering joint assembly 22, left wheel hub and brake disk assembly 12 and left brake assembly 14 are installed on left steering joint assembly 21, right wheel hub and brake disk assembly 13 and right brake assembly 15 are installed on right steering joint assembly 22, and left support arm 1, right support arm 2 save assembly 21 respectively by stub 3 and left steering, right steering saves assembly 22 and is connected, the connecting portion at the two ends of left steering joint assembly 21 and right steering joint assembly 22 is all pressed into needle bearing 37, namely stub 3 is positioned at needle bearing 37, non-maintaining grease is filled between each needle roller of needle bearing 37, non-maintaining grease is filled between stub 3 and needle bearing 37, doing so avoids stub 3 and left steering to save assembly 21 and right steering and save wearing and tearing between assembly 22, non-maintaining, left brake assembly 14, right brake assembly 15 adopt air-pressure disc brake assembly, left brake assembly 14 is arranged on left steering joint assembly 21, and floats on left wheel hub and brake disk assembly 12, thus realizes braking function, in like manner, the installation of right brake assembly 15.Upper A arm 4 is connected with the upper and lower side of right support arm 2 respectively by the first bearing pin 23, second bearing pin 24 with one end of lower A arm 5, the other end of upper A arm 4 and lower A arm 5 adopts rubber bushing to be connected with between car chassis vehicle frame, thus going up A arm 4 and lower A arm 5 can around the first bearing pin 23, second bearing pin 24 flexible rotating, thus realizes automobile and can carry out elasticity around two pin shaft holes up and down of hold-down arm when concave-convex road surface in the process of moving and beat thus ensure that tire lands forever; The concrete annexation of upper A arm 4, lower A arm 5 and right support arm 2 as shown in Figure 3, its junction comprises the first bearing pin 23 (or second bearing pin 24), the first slotted nut 29, the first axle sleeve 28 be located on right support arm 2, clutch shaft bearing 26 is provided with in first axle sleeve 28, the two ends of the first axle sleeve 28 are respectively equipped with the first oil sealing 25, one end of first bearing pin 23 is connected with the first slotted nut 29 with clutch shaft bearing 26 through the first axle sleeve 28, clutch shaft bearing 26 has 2, is provided with the first hole back-up ring 27 in the play between 2 clutch shaft bearings 26; When installing fixing, in draw-in groove on the loading right support that first 2 the first hole back-up rings 27 is stacked arm 2, again 2 clutch shaft bearings 26 are pressed in the both sides of the first hole back-up ring 27, rear press-in first axle sleeve 28 and the first oil sealing 25, the play finally loaded onto between the first bearing pin 23 and the first slotted nut 29,2 clutch shaft bearings 26 is ensured by the screwing force of the first slotted nut 29, assembles simple and convenient, process, improves production efficiency.The upper end of left support arm 1, right support arm 2 is connected with air bag assembly 18, and lower A arm 5 is provided with shock absorber 19.
Left steering conv assembly 8 is connected with car chassis vehicle frame by the second bearing pin 36 respectively with one end of right steering conv assembly 9, the other end is respectively by left spindle arm 6, right spindle arm 7, left steering tie rod assembly 10, right steering tie rod assembly 11 and left steering save assembly 21, right steering joint assembly 22 connects, and the middle part of left steering conv assembly 8 and right steering conv assembly 9 is rotatably connected by bell crank arm 20, thus form the double leval jib steering structure of isosceles trapezoid, can ensure that wheel is pure rolling when turning and does not slide like this, make to turn to stable flexibly, the inside annexation turning to conv assembly Yu turn to transition arm 38 is now illustrated for right steering conv assembly 9, as shown in Figure 4, two the second hole back-up rings 30 are contained in two draw-in grooves turning in transition arm 38 respectively, 2 the second bearings 31 are located by the second hole back-up ring 30, rear press-in second axle sleeve 32, second oil sealing 33, finally the 3rd bearing pin 36 is installed, pressing plate 34 and the second slotted nut 35, play between 2 the second bearings 31 is ensured by the screw-down torque of the second slotted nut 35, assembly technology is simple and convenient, improve production efficiency, due to the 3rd bearing pin 36 and turn between transition arm 38 and be provided with 2 bearings, turn to transition arm 38 can around the 3rd bearing pin 36 flexible rotating, guarantee the steering flexibility of vehicle.
The two end faces of stub 3 is respectively equipped with the first kingpin bore 301 and the second kingpin bore 305, axially extending bore 302 is provided with between first kingpin bore 301 and the second kingpin bore 305, axially extending bore 302 is communicated with the first kingpin bore 301 and the second kingpin bore 305, the side-walls of stub 3 is provided with the radial hole communicated with axially extending bore 302, radial hole comprises the first radial hole 304, second radial hole 306, first radial hole 304, second radial hole 306 points is positioned at the two ends up and down of stub 3, and both opening directions are contrary; The middle part of stub 3 is also provided with groove 303, groove 303 is for matching with the bolt of rear end plate on left support arm 1 or right support arm 2, axially extending bore 302 and radial hole form grease channel, stub 3 and left steering are saved between assembly 21 and forms good lubrication, ensure that the alerting ability of left steering joint assembly 21; The leaning angle of stub 3 is 6 °-7.4 °, and its casterangle is 3.3 °-4.6 °; Viewed from car fore-and-aft direction during tire, stub 3 tilts inside vehicle body, and this angle is called the leaning angle of stub 3, its role is to make steered wheel self-aligning, and makes handling maneuver light; Look from the side of automobile, between the axis of stub 3 and the vertical line passing through front-wheel center, shape in an angle, i.e. kingpin caster angle, and due to stub 3 hypsokinesis, stub 3 is positioned at before ground contact point with the intersection point on ground.At this moment, wheel, because being subject to the resistance on ground, is always advanced by stub 3 in tow, like this, just can keep the stable of travel direction; When automobile turning, due to the effect of centnifugal force, ground acts on after stub 3 in the face of the lateral reaction of wheel, makes wheel have the trend of self-aligning.Experiment finds, when the leaning angle of stub 3 is 6.5 °, when casterangle is 4 °, the straight-line travelling of vehicle can be made the most stable.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (8)
1. a New-type independent suspension front axle assy, described front axle assy adopts and disconnects symmetrical structure, it comprises the independent suspension system of two symmetrical distributions, described independent suspension system comprises hold-down arm, upper A arm, lower A arm, turn to conv, wheel hub and brake disk assembly, brake assembly, vibration damper complement, knuckle assembly, described wheel hub and brake disk assembly, brake assembly is installed in knuckle assembly, described hold-down arm is connected with described knuckle assembly by stub, it is characterized in that: the two end faces of described stub is respectively equipped with the first kingpin bore and the second kingpin bore, described first kingpin bore is connected with described second kingpin bore, the side-walls of described stub is provided with the radial hole communicated with described first kingpin bore and described second kingpin bore, the leaning angle of described stub is 6 °-7.4 °, and its casterangle is 3.3 °-4.6 °.
2. New-type independent suspension front axle assy as claimed in claim 1, is characterized in that: be provided with axially extending bore between described first kingpin bore and described second kingpin bore, and described axially extending bore is communicated with described first kingpin bore and described second kingpin bore; Described radial hole comprises the first radial hole and the second radial hole, and described first radial hole and described second radial hole be arranged in parallel up and down, and both are connected with described axially extending bore respectively; The middle part of described stub is also provided with groove.
3. New-type independent suspension front axle assy as claimed in claim 1, it is characterized in that: between described stub and described knuckle assembly, adopt needle bearing structure, fill non-maintaining grease between each needle roller of described needle bearing, between described stub and described needle bearing, fill non-maintaining grease.
4. New-type independent suspension front axle assy as claimed in claim 1, it is characterized in that: described in turn to conv to be connected with described knuckle assembly by tierod assembly, spindle arm, described in turn between conv with described tierod assembly and be flexibly connected by the 3rd bearing pin.
5. New-type independent suspension front axle assy as claimed in claim 1, it is characterized in that: described upper A arm is connected with the upper and lower side of the second bearing pin with described hold-down arm respectively by the first bearing pin with one end of described lower A arm, the other end and the car chassis vehicle frame of described upper A arm and described lower A arm are hinged.
6. New-type independent suspension front axle assy as claimed in claim 1, is characterized in that: the connection of described upper A arm and described lower A arm and vehicle frame adopts rubber bushing; The junction of described hold-down arm and described upper A arm and described lower A arm comprises the first bearing pin or the second bearing pin, the first slotted nut, the first axle sleeve be located on described hold-down arm, clutch shaft bearing is provided with in described first axle sleeve, the two ends of described first axle sleeve are provided with the first oil sealing, and one end of described first bearing pin is connected with described first slotted nut with described clutch shaft bearing through described first axle sleeve.
7. New-type independent suspension front axle assy as claimed in claim 6, it is characterized in that: described clutch shaft bearing has 2, be provided with the first hole back-up ring in the play between described 2 clutch shaft bearings, described first hole back-up ring is fixed on described hold-down arm.
8. New-type independent suspension front axle assy as claimed in claim 1, is characterized in that: the leaning angle of described stub is 6.5 °, and casterangle is 4 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638926.9U CN204222565U (en) | 2014-10-30 | 2014-10-30 | New-type independent suspension front axle assy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638926.9U CN204222565U (en) | 2014-10-30 | 2014-10-30 | New-type independent suspension front axle assy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204222565U true CN204222565U (en) | 2015-03-25 |
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ID=52920694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420638926.9U Expired - Fee Related CN204222565U (en) | 2014-10-30 | 2014-10-30 | New-type independent suspension front axle assy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204222565U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407609A (en) * | 2018-05-14 | 2018-08-17 | 安徽安凯汽车股份有限公司 | A kind of independent suspension electric drive front steering axle |
| CN108482013A (en) * | 2018-05-25 | 2018-09-04 | 安徽合力股份有限公司 | A kind of optimization method of tractor independent suspension axle and the suspension bridge parameter |
| CN108622192A (en) * | 2017-03-15 | 2018-10-09 | 现代自动车株式会社 | Knuckle mechanism for vehicle suspension system |
| CN110962582A (en) * | 2018-09-28 | 2020-04-07 | 东风德纳车桥有限公司 | Distributed driving independent suspension wheel edge motor assembly |
| CN111361370A (en) * | 2019-03-06 | 2020-07-03 | 东风德纳车桥有限公司 | A lightweight independent suspension module |
-
2014
- 2014-10-30 CN CN201420638926.9U patent/CN204222565U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622192A (en) * | 2017-03-15 | 2018-10-09 | 现代自动车株式会社 | Knuckle mechanism for vehicle suspension system |
| CN108407609A (en) * | 2018-05-14 | 2018-08-17 | 安徽安凯汽车股份有限公司 | A kind of independent suspension electric drive front steering axle |
| CN108482013A (en) * | 2018-05-25 | 2018-09-04 | 安徽合力股份有限公司 | A kind of optimization method of tractor independent suspension axle and the suspension bridge parameter |
| CN110962582A (en) * | 2018-09-28 | 2020-04-07 | 东风德纳车桥有限公司 | Distributed driving independent suspension wheel edge motor assembly |
| CN111361370A (en) * | 2019-03-06 | 2020-07-03 | 东风德纳车桥有限公司 | A lightweight independent suspension module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20191030 |