CN106494168A - A kind of automobile suspension swinging arm bushing and rotation axle assembly - Google Patents
A kind of automobile suspension swinging arm bushing and rotation axle assembly Download PDFInfo
- Publication number
- CN106494168A CN106494168A CN201611003538.3A CN201611003538A CN106494168A CN 106494168 A CN106494168 A CN 106494168A CN 201611003538 A CN201611003538 A CN 201611003538A CN 106494168 A CN106494168 A CN 106494168A
- Authority
- CN
- China
- Prior art keywords
- bushing
- inner core
- rotary shaft
- axle assembly
- rotation axle
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/04—Buffer means for limiting movement of arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of automobile suspension swinging arm bushing and rotation axle assembly, including forearm, postbrachium, rotary shaft, ball pin, front arm bush and rear arm bush；On forearm, on postbrachium, ball pin is connected postbrachium bushing press-mounting forearm bushing press-mounting simultaneously with forearm and postbrachium, and one end of rotary shaft is connected with front arm bush, and the other end of rotary shaft is connected with rear arm bush.Technical scheme is connected with the threads turn of bushing inner core by rotary shaft, when swing arm is around bushing center rotating, bushing inner core is rotated by trapezoidal thread with rotary shaft, the motion of swing arm is met without rubber torsional deflection, so not only bushing life increase, and improve the comfortableness of the ride comfort and car load of Suspension movement.
Description
Technical field
The invention belongs to automotive suspension technical field, particularly relates to a kind of automobile suspension swinging arm bushing and rotation axle assembly.
Background technology
Suspension swing arm and vehicle body (or vehicle frame, subframe) are connected together by suspension swing arm bushing by rotary shaft, work as swing arm
During up and down motion, play a part of to buffer joint, when suspension is impacted, play cushioning effect, meanwhile, as automotive suspension
Various power and torque on wheel are passed to vehicle body while ensureing that wheel is transported by certain track by the guiding and force transfer element of system
Dynamic.
Suspension swing arm the linking together wheel and flexible chassis by ball pin and bushing respectively.Bushing substantially improves outstanding
The vibration isolating effect of frame system high-frequency section, reduces the internal car noise that road roughness causes, also has spring and suspension swing arm bearing concurrently
Effect.
As people require more and more higher to vehicle riding comfort, the requirement to the characteristic of automobile suspension system is increasingly
Greatly.In order to reduce resistance when swing arm moves up and down, while effectively control causes the vibration of vehicle body from road shocks,
To not only make bush of swing arm that there is larger radial rigidity and axial rigidity to be subject to laterally and in front and back ensureing swing arm during design
During the effect of direction force with respect to arm shaft axially and laterally position, and the torsional rigidity of bushing to be reduced to reduce resistance,
To improve and ensure suspension comfortableness, but for bushing, it is mutual to increase radial and axial rigidity and reduce torsional rigidity
Contradict.
Existing relatively conventional bush of swing arm is typically by metal inner core 01 and metal outer cylinder 02, and rubber between the two
03 is constituted, as shown in figure 1, three forms one by vulcanizing, bushing is pressed into swing arm body then, is made by interference fit outer
Pipe is integrally combined with swing arm body.When bush torsional rigidity is larger, comfortableness is deteriorated, while under big windup-degree, producing
Larger torsional moment, produces higher shearing force inside rubber, bushing life is greatly reduced, conversely, working as bush torsional rigidity
When less, the axially and laterally change in location of swing arm relative arm shaft when being acted on by lateral and fore-and-aft direction power is just very
Greatly.Meanwhile, this bushing can not change the movement locus of swing arm with rotary shaft after assembling.
In motion process, swing arm outer end moves up and down vehicle as wheel moves up and down, and swing arm the inner is around rotary shaft
Rotate, back rake angle changes very greatly, as shown in Fig. 2 transverse axis is the anglec of rotation of swing arm, the longitudinal axis is the change of back rake angle.
The change of back rake angle directly affects the return performance of vehicle, in order to ensure the exercise performance of vehicle, needs to enter the motion of swing arm
Row improves.
Content of the invention
It is an object of the invention to provide a kind of automobile suspension swinging arm bushing and rotation axle assembly, to solve bushing and rotary shaft
The problem of the movement locus of swing arm can not be changed after assembling.
The present invention is achieved by the following technical solutions：
A kind of automobile suspension swinging arm bushing and rotation axle assembly, forearm, postbrachium, rotary shaft, ball pin, front arm bush and postbrachium
Bushing；
, on the forearm, on the postbrachium, the ball pin is same for the postbrachium bushing press-mounting for the forearm bushing press-mounting
When be connected with the forearm and the postbrachium, one end of the rotary shaft is connected with the front arm bush, the rotary shaft another
One end is connected with the rear arm bush；
The front arm bush is identical with the structure of the rear arm bush.
The front arm bush includes bushing inner core and vulcanizes in the rubber layer of the bushing inner core lateral wall；In the bushing
Internal thread is provided with the madial wall of inner core, the nearly rear end of the lateral wall of the bushing inner core is provided with a circle spacing ring, institute
State spacing ring to fit with the rubber layer, the lateral wall of the bushing inner core spacing ring and the bushing inner core rear end it
Between be provided with a circle groove；
The front end of the lateral wall of the bushing inner core is provided with a circle jump-ring slot, on the bottom surface of the bushing inner core
It is provided with screwed hole.
The internal thread is trapezoidal thread.
The both ends of the rotary shaft are provided with external screw thread, the internal thread screw thread of the external screw thread and the bushing inner core
Rotate connection.
Location hole is provided with two tops of the rotary shaft.
One end of the closely described spacing ring of the rubber layer is provided with bent outward folding part, and the kink is connected with the rubber layer
The place of connecing is provided with a circle groove, and when extending from the kink to the rubber layer other end, the depth of the groove gradually subtracts
Little.
Also include that dust cover, one end of the dust cover are placed in the groove, the other end of the dust cover is placed on institute
State in rotary shaft.
Also include that packing ring and jump ring, the packing ring are placed on the outside of the bushing inner core, the jump ring is stuck in the jump ring
In groove.
The invention has the beneficial effects as follows：
Technical scheme is connected with the threads turn of bushing inner core by rotary shaft, when swing arm turns around bushing center
When dynamic, bushing inner core is rotated by trapezoidal thread with rotary shaft, meets the motion of swing arm without rubber torsional deflection, so not
Only bushing life increase, and improve the comfortableness of the ride comfort and car load of Suspension movement.While passing to using trapezoidal thread
(feeding and lifting) and the effect of position adjustment, when back rake angle increases, reduces back rake angle, when back rake angle reduces, after increase
Inclination angle, make back rake angle with swing arm pivot angle very little so, keep vehicle travel stability.
Description of the drawings
Bush of swing arm structural representations of the Fig. 1 for prior art；
The variation relation figure of the anglec of rotation and back rake angle of the Fig. 2 for swing arm；
Fig. 3 is the structural representation of the present invention；
Left views of the Fig. 4 for Fig. 3；
A-A sectional views of the Fig. 5 for Fig. 3；
Fig. 6 is motion schematic diagram of the present invention.
Description of reference numerals
01 metal inner core, 02 metal outer cylinder, 03 rubber, 1 forearm, 2 postbrachiums, arm bush before 3,4 rotary shafts, 5
Arm bush afterwards, 6 ball pins, 7 packing rings, 8 jump rings, 9 dust covers, 21 bushing inner cores, 22 rubber layers, 211 internal threads, 212 limits
Position ring, 213 grooves, 214 screwed holes, 221 kinks, 222 grooves, 41 external screw threads, the 42 dust covers installation face of cylinder, 43
Location hole.
Specific embodiment
By the following examples describing technical scheme in detail, below example be only exemplary, only
Can be used for explaining and illustrating technical scheme, and be not to be construed as the restriction to technical solution of the present invention.
The application provides a kind of automobile suspension swinging arm bushing and rotation axle assembly, as shown in Figures 3 to 6, including forearm 1,
Postbrachium 2, rotary shaft 4, ball pin 6, front arm bush 3 and rear arm bush 5.
On forearm, on postbrachium, ball pin is connected postbrachium bushing press-mounting forearm bushing press-mounting simultaneously with forearm and postbrachium, rotation
One end of rotating shaft is connected with front arm bush, and the other end of rotary shaft is connected with rear arm bush.
Front arm bush is identical with the structure of rear arm bush.In the present embodiment, the structure of arm bush before only introducing, because after
The structure of arm bush is identical with the structure of front arm bush, therefore, just rear arm bush is not introduced.
In this application, inner side refers to that nearly longitudinal direction of car axis direction, outside refer to nearly wheel direction.
Front arm bush 3 includes bushing inner core 21 and vulcanizes in the rubber layer 22 of bushing inner core lateral wall that rubber layer plays buffering
The effect of impact；Internal thread 211 is provided with the madial wall of bushing inner core, and in this application, internal thread is trapezoidal thread,
The nearly rear end of the lateral wall of bushing inner core is provided with a circle spacing ring 212, and for spacing to rubber layer, spacing ring is pasted with rubber layer
Close, between the rear end of the spacing ring and bushing inner core of the lateral wall of bushing inner core, be provided with a circle groove 213.
The front end of the lateral wall of bushing inner core is provided with a circle jump-ring slot, on the bottom surface of bushing inner core, is provided with spiral shell
Pit 214.
The both ends of rotary shaft 4 are provided with external screw thread 41, and external screw thread is connected with the internal thread threads turn of bushing inner core.
Location hole 43 is provided with two tops of rotary shaft.
One end of 22 nearly spacing ring of rubber layer is provided with bent outward folding part 221, and kink is provided with rubber layer junction
One circle groove 222, when extending from kink to the rubber layer other end, the depth of groove is gradually reduced.
Also include that dust cover 9, one end of dust cover 9 are placed in groove, the other end of dust cover is placed on rotary shaft and installs circle
On cylinder 42.
Also include that packing ring 7 and jump ring 8, packing ring are placed on the outside of bushing inner core, jump ring is stuck in jump-ring slot.
Front arm bush is pressed in forearm, rear arm bush is pressed in postbrachium, then the big nose end suit by two dust covers
In the groove of bushing inner core, the small bore end of dust cover is covered on the rotary shaft, is threaded into trapezoidal outside one end of rotary shaft
In the inner trapezoidal thread of the bushing inner core for being pressed into the rear arm bush of postbrachium, meanwhile, forearm is rotated, by the other end of rotary shaft
The outer trapezoidal bushing inner core for being threaded into the front arm bush for being pressed into forearm trapezoidal thread in.
Forearm, ball pin and postbrachium are fixed together with bolt and nut again, packing ring is loaded onto in the outer end of two bushing inner cores,
Jump ring is snapped in jump-ring slot.
Lubricating grease is injected into bushing inner core from screwed hole, the screw thread of bolt is coated after fluid sealant, hole is threaded into
Interior, complete the installation of the application.
Rotary shaft is fixed on vehicle body or subframe with bolt, then ball pin is fixed on wheel side, complete this technology side
Installation of the case on car load.
The operation principle of the technical program is：
When rotary shaft is around the center rotating of bushing, between rotary shaft 4 and two bushings 2, trapezoidal thread is relative slides, no
The motion of swing arm is met with 5 torsional deflection of rubber, complete relative rotary motion without the deformation of rubber layer 22 in bushing 2, this
Sample not only bushing life increase, and improve the comfortableness of the ride comfort and car load of Suspension movement.
In vehicle travel process, wheel is impacted by power, and ball pin 6 moves up and down, and forearm 1 and postbrachium 5 pass through two
Bushing 2 is rotated around rotary shaft 4, and as the anglec of rotation of arm increases, back rake angle also increases (such as Fig. 1 institutes in background technology therewith
Show), because carrying trapezoidal thread in the present invention, when the outer end (with ball pin junction) of 0 ° of anglec of rotation ＞ of arm, forearm 1 and postbrachium 2
Travelled forward while moving upwardly together together, reduce back rake angle, conversely, when 0 ° of anglec of rotation ＜ of arm, forearm 1 and postbrachium 2
Moved backward while outer end is moved downwardly together together, increase little back rake angle, change the back rake angle in vehicle travel process
Very little does not change, and when travelling vehicle, aligning torque change is little, it is ensured that the stability that vehicle is travelled.
The above is only the description of the preferred embodiment of the present invention, it is noted that due to the finiteness of literal expression, and
Objectively there is unlimited concrete structure, for those skilled in the art, without departing from the principle of the invention
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of automobile suspension swinging arm bushing and rotation axle assembly, it is characterised in that：Including forearm, postbrachium, rotary shaft, ball pin,
Front arm bush and rear arm bush；
The forearm bushing press-mounting on the forearm, the postbrachium bushing press-mounting on the postbrachium, the ball pin simultaneously with
The forearm and postbrachium connection, one end of the rotary shaft are connected with the front arm bush, the other end of the rotary shaft
It is connected with the rear arm bush；
The front arm bush is identical with the structure of the rear arm bush.
2. automobile suspension swinging arm bushing according to claim 1 and rotation axle assembly, it is characterised in that：The front arm bush
Including bushing inner core and vulcanize in the rubber layer of the bushing inner core lateral wall；It is provided with the madial wall of the bushing inner core
Internal thread, is provided with a circle spacing ring, the spacing ring and the rubber layer in the nearly rear end of the lateral wall of the bushing inner core
Laminating, is provided with a circle groove between the rear end of the spacing ring and the bushing inner core of the lateral wall of the bushing inner core；
The front end of the lateral wall of the bushing inner core is provided with a circle jump-ring slot, arranges on the bottom surface of the bushing inner core
There is screwed hole.
3. automobile suspension swinging arm bushing according to claim 2 and rotation axle assembly, it is characterised in that：The internal thread is
Trapezoidal thread.
4. automobile suspension swinging arm bushing according to claim 3 and rotation axle assembly, it is characterised in that：The rotary shaft
Both ends are provided with external screw thread, and the external screw thread is trapezoidal thread, the internal thread spiral shell of the external screw thread and the bushing inner core
Line rotates connection.
5. automobile suspension swinging arm bushing according to claim 4 and rotation axle assembly, it is characterised in that：In the rotary shaft
Two tops be provided with location hole.
6. automobile suspension swinging arm bushing according to claim 2 and rotation axle assembly, it is characterised in that：The rubber layer is near
One end of the spacing ring is provided with bent outward folding part, and the kink is provided with a circle groove with the rubber layer junction,
When extending from the kink to the rubber layer other end, the depth of the groove is gradually reduced.
7. automobile suspension swinging arm bushing according to claim 2 and rotation axle assembly, it is characterised in that：Also include dust-proof
Cover, one end of the dust cover are placed in the groove, and the other end of the dust cover is placed in the rotary shaft.
8. automobile suspension swinging arm bushing according to claim 2 and rotation axle assembly, it is characterised in that：Also include packing ring and
Jump ring, the packing ring are placed on the outside of the bushing inner core, and the jump ring is stuck in the jump-ring slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003538.3A CN106494168A (en) | 2016-11-15 | 2016-11-15 | A kind of automobile suspension swinging arm bushing and rotation axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003538.3A CN106494168A (en) | 2016-11-15 | 2016-11-15 | A kind of automobile suspension swinging arm bushing and rotation axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106494168A true CN106494168A (en) | 2017-03-15 |
Family
ID=58324459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611003538.3A Pending CN106494168A (en) | 2016-11-15 | 2016-11-15 | A kind of automobile suspension swinging arm bushing and rotation axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106494168A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524745A (en) * | 2017-10-09 | 2017-12-29 | 北京北方车辆集团有限公司 | A kind of shock absorber groove fastening seal structure |
| CN107676379A (en) * | 2017-10-17 | 2018-02-09 | 谢文欢 | Control arm bush |
| CN112248731A (en) * | 2020-09-19 | 2021-01-22 | 刘政阳 | Suspension swing arm assembly and automobile thereof |
| CN112477539A (en) * | 2020-11-27 | 2021-03-12 | 东风越野车有限公司 | Aluminum alloy swing arm spherical hinge mounting structure and assembling method |
| CN113428221A (en) * | 2021-07-09 | 2021-09-24 | 重庆长安汽车股份有限公司 | Flexible connecting structure of automobile steering pull rod |
| US20230012004A1 (en) * | 2021-06-24 | 2023-01-12 | Maserati S.P.A. | Fixing system for rocker arms |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB640469A (en) * | 1946-10-05 | 1950-07-19 | Clyde Raymond Paton | Improvements in vehicle suspensions |
| GB795599A (en) * | 1955-08-25 | 1958-05-28 | Ford Motor Co | Oscillatory threaded joint particularly for motor vehicle wheel suspensions |
| CN2705327Y (en) * | 2004-05-20 | 2005-06-22 | 绍兴索密克汽车配件有限公司 | Upward swing arm assembly for automobile |
| DE102011081935A1 (en) * | 2011-09-01 | 2013-03-07 | Zf Friedrichshafen Ag | Ball-and-socket joint for use as connection component between body and steering wheel in motor car, has ball stud comprising pin, and bushing rotatably or pivotably mounted in ball receptacle, where diameter of bushing is variable |
| CN202914609U (en) * | 2012-09-27 | 2013-05-01 | 绵阳华瑞汽车有限公司 | Connecting shaft sleeve for automobile lower sway arm |
| CN203110854U (en) * | 2013-01-16 | 2013-08-07 | 中车集团沈阳汽车车桥制造有限公司 | Improved light station wagon upper swing arm assembly structure |
| CN105730174A (en) * | 2016-01-12 | 2016-07-06 | 中山大学 | Carbon fiber composite McPherson suspension control arm and preparation method thereof |
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2016
- 2016-11-15 CN CN201611003538.3A patent/CN106494168A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB640469A (en) * | 1946-10-05 | 1950-07-19 | Clyde Raymond Paton | Improvements in vehicle suspensions |
| GB795599A (en) * | 1955-08-25 | 1958-05-28 | Ford Motor Co | Oscillatory threaded joint particularly for motor vehicle wheel suspensions |
| CN2705327Y (en) * | 2004-05-20 | 2005-06-22 | 绍兴索密克汽车配件有限公司 | Upward swing arm assembly for automobile |
| DE102011081935A1 (en) * | 2011-09-01 | 2013-03-07 | Zf Friedrichshafen Ag | Ball-and-socket joint for use as connection component between body and steering wheel in motor car, has ball stud comprising pin, and bushing rotatably or pivotably mounted in ball receptacle, where diameter of bushing is variable |
| CN202914609U (en) * | 2012-09-27 | 2013-05-01 | 绵阳华瑞汽车有限公司 | Connecting shaft sleeve for automobile lower sway arm |
| CN203110854U (en) * | 2013-01-16 | 2013-08-07 | 中车集团沈阳汽车车桥制造有限公司 | Improved light station wagon upper swing arm assembly structure |
| CN105730174A (en) * | 2016-01-12 | 2016-07-06 | 中山大学 | Carbon fiber composite McPherson suspension control arm and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524745A (en) * | 2017-10-09 | 2017-12-29 | 北京北方车辆集团有限公司 | A kind of shock absorber groove fastening seal structure |
| CN107524745B (en) * | 2017-10-09 | 2023-12-12 | 北京北方车辆集团有限公司 | Shock absorber groove fastening sealing structure |
| CN107676379A (en) * | 2017-10-17 | 2018-02-09 | 谢文欢 | Control arm bush |
| CN112248731A (en) * | 2020-09-19 | 2021-01-22 | 刘政阳 | Suspension swing arm assembly and automobile thereof |
| CN112477539A (en) * | 2020-11-27 | 2021-03-12 | 东风越野车有限公司 | Aluminum alloy swing arm spherical hinge mounting structure and assembling method |
| CN112477539B (en) * | 2020-11-27 | 2022-07-12 | 东风越野车有限公司 | Aluminum alloy swing arm spherical hinge mounting structure and assembly method |
| US20230012004A1 (en) * | 2021-06-24 | 2023-01-12 | Maserati S.P.A. | Fixing system for rocker arms |
| CN113428221A (en) * | 2021-07-09 | 2021-09-24 | 重庆长安汽车股份有限公司 | Flexible connecting structure of automobile steering pull rod |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170315 |
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| RJ01 | Rejection of invention patent application after publication |