CN106314116A - Anti-torque pulling rod - Google Patents
Anti-torque pulling rod Download PDFInfo
- Publication number
- CN106314116A CN106314116A CN201510372577.XA CN201510372577A CN106314116A CN 106314116 A CN106314116 A CN 106314116A CN 201510372577 A CN201510372577 A CN 201510372577A CN 106314116 A CN106314116 A CN 106314116A
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- Prior art keywords
- lining
- limited block
- large lining
- rod
- little
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Abstract
An anti-torque pulling rod comprises a pulling rod body, a large bush and a small bush, wherein the large bush and the small bush are arranged at the two ends of the pulling rod body correspondingly. The large bush comprises a large bush inner pipe, a large bush outer pipe, main rubber springs, a forward gear limiting block and a reverse gear limiting block, wherein the large bush inner pipe penetrates into the large bush outer pipe; the two symmetrical sides of the large bush inner pipe are fixed to the large bush outer pipe through the main rubber springs correspondingly; the side, far away from the pulling rod body, of the large bush inner pipe protrudes out of the main rubber springs; the side, near the pulling rod body, of the large bush inner pipe is concaved inwards; the reverse gear limiting block is arranged in the concave position and protrudes out of the large bush inner pipe, and an interval between the reverse gear limiting block and the large bush outer pipe is kept; the forward gear limiting block comprises a forward gear limiting block rubber body and a forward gear limiting block inner framework, the shape of the forward gear limiting block inner framework corresponds to the shape of the side, far away from the pulling rod body, of the large bush inner pipe, the forward gear limiting block inner framework is fixed to the large bush outer pipe through the forward gear limiting block rubber body, and the forward gear limiting block inner framework keeps distance from the large bush inner pipe and the large bush outer pipe.
Description
Technical field
The present invention relates to auto Body Technology field, particularly to the Anti-torque pull rod of a kind of automobile suspended system.
Background technology
The major function of the suspension system of automobile power assembly is as follows: supports power assembly and determines power assembly position；
Control power assembly motion；Isolation power assembly vibrates to vehicle body and the transmission of vehicle frame；Bear power assembly output moment of torsion
And dynamic loading.Suspension system generally includes suspension, Anti-torque pull rod, damping element and the support being associated.Anti-torque pull rod
For controlling the motion of power assembly, reduce the vibration of power assembly to the transmission of subframe, raising car load NVH simultaneously
(Noise Vibration and Harshness, noise, vibration and sound vibration roughness) performance.
Fig. 1 is the structural representation of existing Anti-torque pull rod, as it is shown in figure 1, Anti-torque pull rod 200 includes the pull bar body of rod
201, Large lining 202 and little lining 203, the two ends of the pull bar body of rod 201 are connected to Large lining 202 and little
Lining 203, Large lining 202 is by Large lining inner tube 204, Large lining outer tube 205 and Large lining rubber bodies 206 sulfur
Change is connected in one, and Large lining rubber bodies 206 is for connecting Large lining inner tube 204 and Large lining outer tube 205, little
Lining 203 is connected in one by little lining inner tube 207 and the sulfuration of little bushing rubber body 208, Large lining outer tube 205 He
Little bushing rubber body 208 is connected with the pull bar body of rod 201 two ends respectively, and little lining inner tube 207 is connected with power assembly
Connecing, Large lining inner tube 204 is connected with subframe.Large lining 202 also includes forward gear limited block 209 and reverse gear limit
Position block 210.
Fig. 2 is the stiffness curve of existing Anti-torque pull rod, shown in Figure 2, when Anti-torque pull rod 200 stress is less,
Large lining inner tube 204 does not contacts with forward gear limited block 209 and reverse gear limited block 210, the most only by Large lining rubber
Body 206 provides rigidity, stiffness curve to be in linearity range a, and the rigidity of Anti-torque pull rod 200 is less, beneficially NVH
Energy.When electromotor output drive shift or reverse gear high pulling torque, Anti-torque pull rod 200 need to control the displacement of power assembly and turn
Angle, Anti-torque pull rod 200 stress is relatively big, and Large lining inner tube 204 need to be with forward gear limited block 209 or reverse gear limited block 210
Contact, owing to forward gear limited block 209 and reverse gear limited block 210 are solid rubber structure, Large lining inner tube 204
After contacting with forward gear limited block 209 or reverse gear limited block 210, Anti-torque pull rod 200 rigidity is gradually increasing, and enters soft
Knee region b, Anti-torque pull rod 200 is by more energetically, and forward gear limited block 209 or reverse gear limited block 210 continue pressurized,
Rigidity drastically strengthens, and enters hard stop zone c.During due to drive shift high pulling torque, Anti-torque pull rod 200 stress is the biggest,
Large lining inner tube 204 contacts with forward gear limited block 209, for ensureing the NVH performance of accelerating mode, Anti-torque pull rod
The rigidity of 200 should be not excessive, therefore third gear full throttle accelerating mode, it is commonly designed stiffness curve and is in interactive knee adapt region b.
For the electromotor of huge discharge, moment of torsion is relatively big, and when third gear full throttle accelerates, the stress of Anti-torque pull rod 200 is very big, this
Although time stiffness curve be in interactive knee adapt region b, and the rigidity of Anti-torque pull rod 200 still becomes relatively big (stiffness curve
Slope represent rigidity value), NVH degradation when may result in acceleration.
Summary of the invention
In view of above-mentioned condition, it is necessary to provide a kind of simple in construction, the Anti-torque pull rod of NVH performance under accelerating mode can be effectively improved,
To solve the problems of the prior art.
The present invention provides a kind of Anti-torque pull rod, including the pull bar body of rod and be respectively arranged at the big of described pull bar body of rod two ends
Lining and little lining, described Large lining include Large lining inner tube, Large lining outer tube, rubber spring, drive shift limited block,
And reverse gear limited block, described Large lining inner tube is arranged in described Large lining outer tube and described Large lining inner tube is symmetrical two
Side is fixedly connected on described Large lining outer tube by described rubber spring respectively, and described Large lining inner tube is away from described pull bar
The side of the body of rod protrudes from described rubber spring, and described Large lining inner tube caves inward near the side of the described pull bar body of rod,
Described reverse gear limited block is arranged at described recess and protrudes from described Large lining inner tube, described reverse gear limited block with described greatly
Lining outer tube keeps a determining deviation, described drive shift limited block to include drive shift limited block rubber bodies and drive shift limited block
Inner frame, the shape of described drive shift limited block inner frame and described Large lining inner tube are away from the side of the described pull bar body of rod
Shape corresponding, described drive shift limited block inner frame connects by described drive shift limited block rubber bodies is fixing respectively
On described Large lining outer tube, described drive shift limited block inner frame is equal with described Large lining outer tube and described Large lining inner tube
Keep a determining deviation.
Further, described drive shift limited block forms cavity with described Large lining outer tube.
Further, the Surface coating of described drive shift limited block inner frame has rubber bodies.
Further, described reverse gear limited block is arcuation bulge-structure.
Further, the described pull bar body of rod includes the body of rod, Large lining mounting ring and little lining mounting ring, described big lining
Set mounting ring and described little lining mounting ring are individually fixed in the two ends of the described body of rod, the axis of described Large lining mounting ring and
The axis of described little lining mounting ring is orthogonal.
Further, described Large lining and described little lining are fixed on described Large lining mounting ring with interference fit respectively
With in described little lining mounting ring.
Further, described little lining includes little lining inner tube and is sheathed on the little bushing rubber outside described little lining inner tube
Body, described little bushing rubber body includes the rubber bodies body of hollow tubular and is convexly equipped in the described axial two ends of rubber bodies body
The protuberance of outer wall, forms ring-type cell body between two described protuberances and described rubber bodies body, described little lining is installed
Ring set is located on described rubber bodies body and is limited in described cell body.
Further, the described pull bar body of rod is additionally provided with through hole.
Further, described reverse gear limited block uses solid colloidal materials to make.
The technical scheme of the embodiment of the present invention has the benefit that the Anti-torque pull rod of the present invention antitorque draws compared to existing
Bar, under accelerating mode, rigidity is decreased obviously, and NVH performance significantly improves.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing Anti-torque pull rod.
Fig. 2 is the stiffness curve of existing Anti-torque pull rod.
Fig. 3 is the structural representation of the Anti-torque pull rod of the embodiment of the present invention.
Fig. 4 is the sectional view at IV-IV place in Fig. 3.
Fig. 5 is the stiffness curve of the Anti-torque pull rod of the embodiment of the present invention.
Fig. 6 is the stiffness curve contrast with the stiffness curve of existing Anti-torque pull rod of the Anti-torque pull rod of the embodiment of the present invention
Figure.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the embodiment of the present invention is made into one
Step ground describes in detail.
Fig. 3 is the structural representation of the Anti-torque pull rod of the embodiment of the present invention, and Fig. 4 is the sectional view at IV-IV place in Fig. 3, please join
As shown in Fig. 3 to Fig. 4, the Anti-torque pull rod 100 of the embodiment of the present invention includes the pull bar body of rod 10, Large lining 20, Yi Ji little
Lining 30, Large lining 20 and little lining 30 are respectively arranged at the two ends of the pull bar body of rod 10.
The pull bar body of rod 10 includes the body of rod 12, Large lining mounting ring 14 and little lining mounting ring 16, and Large lining is installed
Ring 14 and little lining mounting ring 16 are individually fixed in the two ends of the body of rod 12, and the axis of Large lining mounting ring 14 and little
The axis of lining mounting ring 16 is orthogonal, and the pull bar body of rod 10 is usually integrally machined and forms, as casting forms cast aluminium
Part.Large lining mounting ring 14 and little lining mounting ring 16 are respectively used to install Large lining 20 and little lining 30, serve as a contrast greatly
Set 20 and little lining 30 are individually fixed in Large lining mounting ring 14 and little lining mounting ring 16 with interference fit.
Being also provided with through hole 18 on the body of rod 12, through hole 18 can improve the collision performance of the pull bar body of rod 10.Due to the body of rod 12
It is provided with through hole 18, when a vehicle is in a collision, the body of rod 12 easily drop that through hole 18 both sides are relatively thin, and reduces and touch
Hit the power transmission to driving cabin, be conducive to the safety of collision.
Large lining 20 include Large lining inner tube 22, Large lining outer tube 24, rubber spring 26, drive shift limited block 28,
And reverse gear limited block 29.
Large lining inner tube 22 is arranged in Large lining outer tube 24, and the both sides of the outer wall symmetry of Large lining inner tube 22 (are i.e. schemed
Upside outer wall in 3 and downside outer wall) it is fixedly connected on the inwall of Large lining outer tube 24 by rubber spring 26 respectively
On, the axis coaxle of the axis of Large lining inner tube 22 and the pull bar body of rod 10, Large lining inner tube 22 away from near pull bar
The outer wall (i.e. left and right side outer wall in Fig. 3) of the body of rod 10 both sides respectively and is separated with between the inwall of Large lining outer tube 24
One determining deviation, Large lining inner tube 22 is protruded away from the outer wall (i.e. left side outer wall in Fig. 3) of the pull bar body of rod 10 side
In rubber spring 26, Large lining inner tube 22 is near the outer wall (i.e. in Fig. 3 outer right wall) of the pull bar body of rod 10 side
Cave inward.Large lining outer tube 24 is fixed in Large lining mounting ring 14 with interference fit, Large lining inner tube 22
It is connected with subframe (not shown).Large lining inner tube 22, Large lining outer tube 24 use steel material to make.
Drive shift limited block 28 is arranged at the Large lining inner tube 22 outer wall and Large lining outer tube away from the pull bar body of rod 10 side
Between 24 inwalls, drive shift limited block 28 includes drive shift limited block rubber bodies 282 and drive shift limited block inner frame
284, the shape of drive shift limited block inner frame 284 and Large lining inner tube 22 are away from the outer wall of the pull bar body of rod 10 side
Shape is corresponding, and drive shift limited block inner frame 284 and Large lining outer tube 24 inwall and Large lining inner tube 22 are away from drawing
The outer wall of club shaft 10 side all keeps a determining deviation, drive shift limited block inner frame 284 outer wall symmetry both sides (i.e. to scheme
Upside outer wall in 3 and downside outer wall) it is fixedly connected on outside Large lining by drive shift limited block rubber bodies 282 respectively
On the inwall of pipe 24, drive shift limited block rubber bodies 282 and drive shift limited block inner frame 284 and Large lining outer tube
24 inwalls form a cavity 27, i.e. drive shift limited block 28 and Large lining outer tube 24 and form cavity 27.Drive shift limits
The Surface coating of position block inner frame 284 has rubber bodies 286.Reverse gear limited block 29 is in arcuation bulge-structure, and reverse gear is spacing
Block 29 is arranged at Large lining inner tube 22 at the outer wall depression of the pull bar body of rod 10 side, and reverse gear limited block 29 protrudes
A determining deviation is kept in Large lining inner tube 22 outer wall and with Large lining outer tube 24 inwall.Reverse gear limited block 29 uses solid
Colloidal materials is made.
Little lining 30 includes little lining inner tube 32 and is sheathed on the little bushing rubber body 34 on little lining inner tube 32 outer wall.
In the present embodiment, little lining 30 province smaller lining outer tube.
Little lining inner tube 32 uses steel material to make, and little lining inner tube 32 is connected with power assembly.
Little bushing rubber body 34 is substantially in dumbbell structure, and little bushing rubber body 34 includes the rubber bodies of hollow tubular originally
Body 341 and the protuberance 342 being convexly equipped in rubber bodies body 341 axial two ends outer wall, two protuberances 342 and rubber
Forming ring-type cell body 343 between body body 341, cell body 343 is used for being limited in wherein by little lining mounting ring 16, little lining
Set rubber bodies 34 and little lining mounting ring 16 interference fit, little lining mounting ring 16 is sheathed on rubber bodies body 341
Going up and be limited in cell body 343, the least lining mounting ring 16 inwardly presses rubber bodies body 341, protuberance 342
Spacing and prevent little lining 30 from little lining mounting ring to little lining mounting ring 16 in the little axial two ends of lining mounting ring 16
Come off in 16.
The action principle of the Anti-torque pull rod 100 in above-described embodiment is as follows:
Fig. 5 is the stiffness curve of the Anti-torque pull rod of the embodiment of the present invention, shown in Figure 5, and vehicle is in drive shift operating mode
Time, when exporting moment of torsion and being less, Anti-torque pull rod 100 stress is less, and Large lining 20 is only provided firm by rubber spring 26
Degree, now Large lining inner tube 22 does not contacts with drive shift limited block 28, and stiffness curve is in linearity range A.Work as moment of torsion
When output strengthens, Anti-torque pull rod 100 stress strengthens, and Large lining inner tube 22 contacts with drive shift limited block 28, advances
Shelves limited block 28 starts to play a role, and now the rigidity of Large lining 30 is by rubber spring 26 and drive shift limited block 28
Common offer, stiffness curve enters the second linearity range B.When Anti-torque pull rod 100 stress continues to strengthen, in Large lining
Pipe 22 presses drive shift limited block 28 and moves to Large lining outer tube 24, drive shift limited block 28 and Large lining outer tube 24
Between cavity 27 constantly reduce, final drive shift limited block 28 contacts Large lining outer tube 24.When drive shift limited block
After 28 contact Large lining outer tubes 24, Anti-torque pull rod 100 rigidity drastically becomes big, and stiffness curve enters hard spacing zone C.
Third gear full throttle accelerates as commonly using operating mode, and now Large lining inner tube 22 contacts with drive shift limited block 28, but drive shift limited block
28 do not contact with Large lining outer tube 24, and stiffness curve is in the second linearity range B.
Slope at stiffness curve point is rigidity k under a certain active force P, i.e. k=tg θ.Fig. 6 is the embodiment of the present invention
The comparison diagram of stiffness curve of stiffness curve and existing Anti-torque pull rod of Anti-torque pull rod, shown in Figure 6, third gear
During full throttle accelerating mode, the Anti-torque pull rod 100 of the present embodiment is compared with existing Anti-torque pull rod 200: the two active force is equal
For P1=P2, the stiffness curve of the Anti-torque pull rod 100 of the present embodiment is at active force P1The tangent line at place and the angle of deformation δ axle
For θ1, the stiffness curve of existing Anti-torque pull rod 200 is at active force P2The tangent line at place is θ with the angle of deformation δ axle2, θ1
θ2, therefore tg θ1Tg θ2, i.e. rigidity k1Rigidity k2, rigidity k of the Anti-torque pull rod 100 of the present embodiment1More existing antitorque
Rigidity k of pull bar 2002Reduce a lot, therefore the Anti-torque pull rod 100 of the present embodiment is obviously improved the NVH performance of accelerating mode.
The technical scheme of the embodiment of the present invention has the benefit that the Anti-torque pull rod 100 of the present invention is anti-compared to existing
Turning round pull bar 200, under accelerating mode, rigidity is decreased obviously, and NVH performance significantly improves.
In the present invention, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, removes
Comprise those listed key elements, but also other key elements being not expressly set out can be comprised.
In the present invention, the involved noun of locality such as forward and backward, upper and lower is with during in accompanying drawing, parts are positioned at figure and parts
Position each other defines, and is intended merely to the clear and convenient of expression technology scheme.Should be appreciated that the described noun of locality
Use and should not limit the scope that the application is claimed.
In the case of not conflicting, in the present invention, the feature in above-described embodiment and embodiment can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the spirit and principles in the present invention it
In, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (9)
1. an Anti-torque pull rod (100), including the pull bar body of rod (10) and be respectively arranged at the described pull bar body of rod (10)
The Large lining (20) at two ends and little lining (30), described Large lining (20) includes Large lining inner tube (22), big
Lining outer tube (24), rubber spring (26), drive shift limited block (28) and reverse gear limited block (29),
Described Large lining inner tube (22) is arranged in described Large lining outer tube (24) and described Large lining inner tube (22) is symmetrical
Both sides are fixedly connected on described Large lining outer tube (24), in described Large lining by described rubber spring (26) respectively
Pipe (22) protrudes from described rubber spring (26), in described Large lining away from the side of the described pull bar body of rod (10)
Pipe (22) caves inward near the side of the described pull bar body of rod (10), and described reverse gear limited block (29) is arranged at institute
State recess and protrude from described Large lining inner tube (22), described reverse gear limited block (29) and described Large lining outer tube
(24) determining deviation is kept, it is characterised in that: described drive shift limited block (28) includes drive shift limited block rubber bodies
And drive shift limited block inner frame (284), the shape of described drive shift limited block inner frame (284) and institute (282)
Stating Large lining inner tube (22) corresponding away from the shape of the side of the described pull bar body of rod (10), described drive shift is spacing
Block inner frame (284) is fixedly connected on outside described Large lining by described drive shift limited block rubber bodies (282) respectively
On pipe (24), described drive shift limited block inner frame (284) and described Large lining outer tube (24) and described Large lining
Inner tube (22) all keeps a determining deviation.
2. Anti-torque pull rod (100) as claimed in claim 1, it is characterised in that: described drive shift limited block (28) and institute
State Large lining outer tube (24) and form cavity (27).
3. Anti-torque pull rod (100) as claimed in claim 1, it is characterised in that: described drive shift limited block inner frame (284)
Surface coating have rubber bodies (286).
4. Anti-torque pull rod (100) as claimed in claim 1, it is characterised in that: described reverse gear limited block (29) is in arc
Shape bulge-structure.
5. Anti-torque pull rod (100) as claimed in claim 1, it is characterised in that: the described pull bar body of rod (10) includes bar
Body (12), Large lining mounting ring (14) and little lining mounting ring (16), described Large lining mounting ring (14)
With the two ends that described little lining mounting ring (16) is individually fixed in the described body of rod (12), described Large lining mounting ring (14)
Axis and the axis of described little lining mounting ring (16) orthogonal.
6. Anti-torque pull rod (100) as claimed in claim 5, it is characterised in that: described Large lining (20) and described little
Lining (30) is fixed on described Large lining mounting ring (14) and described little lining mounting ring with interference fit respectively
(16) in.
7. Anti-torque pull rod (100) as claimed in claim 5, it is characterised in that: described little lining (30) includes little lining
Overlap inner tube (32) and be sheathed on described little lining inner tube (32) little bushing rubber body (34) outward, described little lining
Rubber bodies (34) includes the rubber bodies body (341) of hollow tubular and is convexly equipped in described rubber bodies body (341) axle
To shape between the protuberance (342) of two ends outer wall, two described protuberances (342) and described rubber bodies body (341)
Cell body (343) circlewise, described little lining mounting ring (16) is sheathed on described rubber bodies body (341) and above and limits
It is positioned in described cell body (343).
8. Anti-torque pull rod (100) as claimed in claim 1, it is characterised in that: the described pull bar body of rod (10) also sets up
There is through hole (18).
9. Anti-torque pull rod (100) as claimed in claim 1, it is characterised in that: described reverse gear limited block (29) uses
Solid colloidal materials is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372577.XA CN106314116A (en) | 2015-06-29 | 2015-06-29 | Anti-torque pulling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372577.XA CN106314116A (en) | 2015-06-29 | 2015-06-29 | Anti-torque pulling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106314116A true CN106314116A (en) | 2017-01-11 |
Family
ID=57722661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510372577.XA Pending CN106314116A (en) | 2015-06-29 | 2015-06-29 | Anti-torque pulling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106314116A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585015A (en) * | 2017-10-31 | 2018-01-16 | 张志如 | Novel damping engine pull bar |
| CN109760503A (en) * | 2018-12-27 | 2019-05-17 | 东风汽车集团有限公司 | Power assembly Anti-torque pull rod structure |
| CN110239300A (en) * | 2019-05-24 | 2019-09-17 | 浙江零跑科技有限公司 | Rear overhang sets pull rod |
| CN110450615A (en) * | 2018-05-07 | 2019-11-15 | 广州汽车集团股份有限公司 | Anti-torque pull rod |
| CN112677725A (en) * | 2019-10-17 | 2021-04-20 | 博戈橡胶塑料（株洲）有限公司 | Torsion-resistant pull rod assembly of automobile |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585015A (en) * | 2017-10-31 | 2018-01-16 | 张志如 | Novel damping engine pull bar |
| CN110450615A (en) * | 2018-05-07 | 2019-11-15 | 广州汽车集团股份有限公司 | Anti-torque pull rod |
| CN110450615B (en) * | 2018-05-07 | 2020-10-13 | 广州汽车集团股份有限公司 | Torsion-resistant pull rod |
| CN109760503A (en) * | 2018-12-27 | 2019-05-17 | 东风汽车集团有限公司 | Power assembly Anti-torque pull rod structure |
| CN109760503B (en) * | 2018-12-27 | 2020-07-10 | 东风汽车集团有限公司 | Torsion-resistant pull rod structure of power assembly |
| CN110239300A (en) * | 2019-05-24 | 2019-09-17 | 浙江零跑科技有限公司 | Rear overhang sets pull rod |
| CN112677725A (en) * | 2019-10-17 | 2021-04-20 | 博戈橡胶塑料（株洲）有限公司 | Torsion-resistant pull rod assembly of automobile |
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Application publication date: 20170111 |