CN110239300A - Rear overhang sets pull rod - Google Patents
Rear overhang sets pull rod Download PDFInfo
- Publication number
- CN110239300A CN110239300A CN201910439505.0A CN201910439505A CN110239300A CN 110239300 A CN110239300 A CN 110239300A CN 201910439505 A CN201910439505 A CN 201910439505A CN 110239300 A CN110239300 A CN 110239300A
- Authority
- CN
- China
- Prior art keywords
- mounting base
- elastic gum
- rear end
- bracket
- pull rod
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of rear overhangs to set pull rod, including bracket and mounting base, the left and right sides of mounting base is connected to the left and right sides of rear end on the inside of bracket by a pair of first elastic gum, and what rear end was placed in the middle on the inside of the rear end of mounting base and/or bracket is equipped with the second elastic gum.The beneficial effects of the present invention are: providing more rigidity adaptability, it is adapted to the Rigidity Matching requirement of high, normal, basic each gear of vehicle driving, had not only improved NVH effect, but also have good durability.
Description
Technical field
The present invention relates to automobile manufacturing field, specifically a kind of rear overhang sets pull rod, is mainly used in small-sized carrying vapour
Che Shang.
Background technique
Small-sized passenger car, is commonly called as car, and routine use is extensive.It is total that automobile is laterally hinged in front of rear-suspending pull rod
Dynamic, the longitudinally-hinged vehicle body in rear plays damping effect.Chinese patent literature CN109760480A is in public affairs on May 17th, 2019
" a kind of automobile suspended Tiebar structure ", including rear-suspending mounting bracket and subframe, rear-suspending mounting bracket one end are opened
Rear-suspending pull rod is installed, the rear-suspending pull rod includes pull rod skeleton, vibration isolation rubber and mounting base, the rear-suspending pull rod one
Offer cavity inside side, the vibration isolation rubber is fixedly mounted on cavity inside two sides by mounting base, in the pull rod skeleton
Portion is fixedly installed the first airfoil structure close to vibration isolation rubber side, and the mounting base is set close to the fixation of vibration isolation rubber side
It is equipped with the second airfoil structure, first airfoil structure and the second airfoil structure are installed through inside mounting base, the peace
Dress seat is internally located at the first airfoil structure and the second airfoil structure end offers notch, and rear-suspending pull rod bottom is fixed
It is mounted on subframe upper surface.The applicant declares that the invention improves anti-vibration performance, realizes system X to vibration isolation and Z-direction mould
The balance of state frequency control.The similar prior art above-mentioned uses rubber as elastic material more, use the metals such as steel as
Bracket and mounting base, mounting base only connect the rear end of mounting base in the left and right sides by elastic material, form an elasticity limit
Bit architecture.Such traditional design only relies on single elastic spacing mechanism and carries out elastic buffer, is in high speed in vehicle driving
When gear, torque is smaller, since the rigidity of structure seems excessively high, causes NVH ride comfort bad；And low or first gear is in vehicle driving
When position, torque is larger, and the rigidity of structure seems insufficient again, and limit effect is poor, and durability is bad.
Summary of the invention
Based on problem above, the present invention provides a kind of rear overhang and sets pull rod, provides more rigidity adaptability, can be with
The Rigidity Matching requirement for adapting to high, normal, basic each gear of vehicle driving, had not only improved NVH effect, but also have good durability.
In order to realize goal of the invention, the present invention adopts the following technical scheme: a kind of rear overhang sets pull rod, including bracket and
Mounting base, the left and right sides of mounting base are connected to the left and right sides of rear end on the inside of bracket, mounting base by a pair of first elastic gum
Rear end and/or bracket on the inside of rear end it is placed in the middle be equipped with the second elastic gum.
The rear overhang of this programme design sets pull rod, in addition to being mounted with conventional the first elastic gum of a pair in mounting base,
Also in addition design has the second elastic gum.The in general, an elastic gum front end is connected to the rear wall two sides of mounting base, rear end connection
The left and right sides of rear end on the inside of bracket forms Figure of eight structure, and the second elastic gum is then rear end and/or the branch positioned at mounting base
Rear end on the inside of frame, is centrally arranged, and makes to form new buffer limit structure between rear end on the inside of the rear end and bracket of mounting base.The knot
The technical meaning of structure is, when speed is in it is larger compared with low velocity, total dynamic torque when, on the inside of the rear end of mounting base and bracket rear end
Case patch, two groups of elastic spacing structures of first elastic gum of the two and the second elastic gum are in the working condition of flexible deformation, this
When pull rod overall stiffness it is larger, and when vehicle gradually raises speed to total dynamic torque and becomes smaller, the rear end of mounting base and bracket
The separation of inside rear end, the second elastic gum are no longer on flexible deformation working condition, and only the first elastic gum is in connection status, makes to draw
The overall stiffness of bar reduces.Design in this way, this structure give compared to the more rigidity adaptability of tradition.
Preferably, being additionally provided with third elastic gum；Second elastic gum is divided into rear end on the inside of the rear end and bracket of mounting base；
The both ends of third elastic gum are connected to the elastic glue connection of the second elastic gum tie point of rear end and the side first on the inside of bracket
Between point, middle part is located on the inside of the second elastic gum and bracket of installation base rear end between the second elastic gum of rear end.Third elasticity
Glue is strip, and both ends are connected to rear end on the inside of bracket, positioned at the first elastic gum tie point of this side and the second elastic gum it
Between, usually symmetric design；And after the middle part of third elastic gum is then located on the inside of the second elastic gum and bracket of installation base rear end
Between second elastic gum at end.Design makes to form third group elastic spacing structure between bracket and mounting base in this way, further
The rigidity adaptation range for extending pull rod.
Preferably, being equipped with reinforced sheet in the middle part of third elastic gum, face vehicle body is distinguished in the front and rear sides face of reinforced sheet
Front and back.Reinforced sheet is fixed in the middle part of third elastic gum, and material is rigid, generally can be with the same material of bracket
Matter.The effect of reinforced sheet is the rigidity in order to improve third elastic gum, makes its due elasticity when keeping small size high frequency to hit
Outside, additional elevation has better rigidity in accidental significantly shock.Meanwhile the design can also make third elastic gum
Durability it is more preferable.
The bending preferably, left and right ends of reinforced sheet turn forward, it is corresponding with the section rear end shape adaptation of mounting base.
The design can further promote reinforced sheet to the suitability at mounting base rear portion, play better limit when the two extruding is adjacent to
Effect.
Preferably, the middle part of third elastic gum is equipped with the fin longitudinally extended.Fin is and third elastic gum ontology phase
Same elastic material.It is acted on first is that can eliminate between mounting base rear end face and third elastic gum, third elastic gum and bracket
The strike note in face and face between the second elastic gum of inside rear end helps to optimize NVH, second is that the design can be obviously improved
The durability of third elastic gum, according to the comparative experiments of inventor, twice of the service life reachable same structure for not designing fin
Have a surplus, third is that can provide left and right to anti-skidding limit effect.
Preferably, longitudinally through on rear side of bracket be equipped with mounting base providing holes, mounting base is located in mounting base providing holes；
The 4th elastic gum is covered on the hole wall of mounting base providing holes and/or on the lateral wall of mounting base.In the hole of mounting base providing holes
It is covered with the 4th elastic gum on wall and/or on the lateral wall of mounting base, the hole wall of mounting base providing holes in special circumstances can be made
It collides to form protection and elimination noise with the lateral wall of mounting base.
Preferably, bracket outer profile is the wide rectangular space body in front and back.Front and back is wide, can disperse stress, improves
Integrally-built stressed effect facilitates loss of weight and the miniaturization of product.
Preferably, mid-stent is equipped with several longitudinally through lightening holes.Lightening hole can not influence structural strength
In the case where mitigate product weight, facilitate loss of weight and the miniaturization of product.
In conclusion being adapted to vehicle driving the beneficial effects of the present invention are: provide more rigidity adaptability
The Rigidity Matching requirement of high, normal, basic each gear, had not only improved NVH effect, but also have good durability.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Wherein: 1 bracket, 2 mounting bases, 3 first elastic gums, 4 second elastic gums, 5 third elastic gums, 6 reinforced sheets, 7 fins,
8 mounting base providing holes, 9 the 4th elastic gums, 10 lightening holes, 11 front end hinge holes, 12 rear end hinge holes.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing.
The present embodiment is that a kind of rear overhang sets pull rod, and design is applied on certain car.
For ease of description, before orientation hereinafter is with headstock direction, under being with gravity direction, and so on.
As shown in Figure 1, the outer profile that this rear overhang sets pull rod is the wide rectangular space body in front and back, it include bracket 1
With mounting base 2, both it is made of steel.Diagram left side is front side, and bracket is equipped with a pair of of front end hinge hole 11 herein；Right side is
Rear side, bracket are equipped with a longitudinally through mounting base providing holes 8 herein, and mounting base is set in this hole, the middle part of mounting base
Equipped with a longitudinally through rear end hinge hole 12.
The cross sectional shape of the mounting base of this example is the short symmetric trapezium in the long rear end in a front end, two trapezoidal bevel edges respectively with
The front end connection of one the first elastic gum 3, and the rear end of the first elastic gum is then connected to mounting base providing holes inner sidewall, specially
Left back, right lateral side.The connection relationship forms first group of elastic spacing structure that this rear overhang sets pull rod.
Middle position is equipped with the second elastic gum 4 to rearward projection on the rear end of mounting base, likewise, after mounting base providing holes
The inner sidewall in portion it is placed in the middle be equipped with the second elastic gum to front protrusion, which is tongue-shaped projection.The connection relationship
Form second group of elastic spacing structure that this rear overhang sets pull rod.
Third group elastic spacing structure is third elastic gum 5.Third elastic gum is strip, and overall structure is similar to C-shaped, two
End is both connected to the inner sidewall at mounting base providing holes rear portion, is located at side the first elastic gum interconnecting piece and the second elastic glue connection
Between socket part, middle part is then between two the second elastic gums set on second group of elastic spacing structure of front protrusion.Third elasticity
Reinforced sheet 6 is equipped in the middle part of glue.The reinforced sheet of this example is made of steel identical with bracket.Straight, front and back two in the middle part of reinforced sheet
Face vehicle body front and back are distinguished in side, and forward fold, the rear end shape adaptation pair trapezoidal with the section of mounting base are omited in left and right ends
It answers.The middle part of third elastic gum is equipped with the fin 7 longitudinally extended, the ontology same material of fin and third elastic gum.
In this example, the 4th elastic gum 9, the lateral wall of mounting base are covered with around a circle on the hole wall of mounting base providing holes
On be equally covered with the 4th elastic gum of a circle.
Mid-stent is equipped with the longitudinally through lightening hole 10 of 4 rectangles, with rectangular array.
In this example, all elastic gums are made with rubber vulcanization process.
The rear overhang of this example sets pull rod and provides the limit effect of multistage rigidity, is in middle low speed, total in car speed
When dynamic torque is larger, limit rigidity is higher, can limit and move total large torque rotates；High speed, total dynamic is in car speed
When torque is smaller, limit rigidity is also smaller.Pull rod is set using the rear overhang of this example, is not only adapted to the height of vehicle driving
In low each gear Rigidity Matching requirement, moreover it is possible to improve NVH effect, and have good durability.
Claims (8)
1. a kind of rear overhang sets pull rod, including bracket (1) and mounting base (2), the left and right sides of mounting base passes through a pair first
Elastic gum (3) is connected to the left and right sides of rear end on the inside of bracket, characterized in that rear end on the inside of the rear end of mounting base and/or bracket
Placed in the middle is equipped with the second elastic gum (4).
2. a kind of rear overhang according to claim 1 sets pull rod, characterized in that be additionally provided with third elastic gum (5)；Second
Elastic gum is divided into rear end on the inside of the rear end and bracket of mounting base；The both ends of third elastic gum are connected to rear end on the inside of bracket
The second elastic gum tie point and side the first elastic gum tie point between, middle part be located at installation base rear end the second elastic gum and
On the inside of bracket between the second elastic gum of rear end.
3. a kind of rear overhang according to claim 2 sets pull rod, characterized in that be equipped with and add in the middle part of third elastic gum
Distinguish face vehicle body front and back in the front and rear sides face of strong piece (6), reinforced sheet.
4. a kind of rear overhang according to claim 3 sets pull rod, characterized in that the left and right ends of reinforced sheet turn forward
Bending, it is corresponding with the section rear end shape adaptation of mounting base.
5. a kind of rear overhang according to Claims 2 or 3 or 4 sets pull rod, characterized in that set in the middle part of third elastic gum
There is the fin (7) longitudinally extended.
6. a kind of rear overhang according to claim 1 or 2 or 3 or 4 sets pull rod, characterized in that longitudinal on rear side of bracket to pass through
Logical is equipped with mounting base providing holes (8), and mounting base is located in mounting base providing holes；On the hole wall of mounting base providing holes and/or pacify
It fills and is covered with the 4th elastic gum (9) on the lateral wall of seat.
7. a kind of rear overhang according to claim 1 or 2 or 3 or 4 sets pull rod, characterized in that before bracket outer profile is
Wide rectangular space body afterwards.
8. a kind of rear overhang according to claim 7 sets pull rod, characterized in that mid-stent is equipped with several longitudinally through
Lightening hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439505.0A CN110239300B (en) | 2019-05-24 | 2019-05-24 | Automobile rear suspension pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439505.0A CN110239300B (en) | 2019-05-24 | 2019-05-24 | Automobile rear suspension pull rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110239300A true CN110239300A (en) | 2019-09-17 |
| CN110239300B CN110239300B (en) | 2020-07-28 |
Family
ID=67884978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910439505.0A Active CN110239300B (en) | 2019-05-24 | 2019-05-24 | Automobile rear suspension pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110239300B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202641344U (en) * | 2012-06-08 | 2013-01-02 | 宁波拓普集团股份有限公司 | Novel back pull rod suspension device |
| CN202782634U (en) * | 2012-08-17 | 2013-03-13 | 重庆长安汽车股份有限公司 | Anti-twisting pull rod type rubber suspension assembly |
| CN203601365U (en) * | 2013-11-18 | 2014-05-21 | 宁波拓普集团股份有限公司 | Rear pull rod suspension device of automobile power assembly system |
| CN106314116A (en) * | 2015-06-29 | 2017-01-11 | 广州汽车集团股份有限公司 | Anti-torque pulling rod |
| CN207902148U (en) * | 2018-01-03 | 2018-09-25 | 北京汽车股份有限公司 | A kind of power assembly rear suspension structure and automobile |
-
2019
- 2019-05-24 CN CN201910439505.0A patent/CN110239300B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202641344U (en) * | 2012-06-08 | 2013-01-02 | 宁波拓普集团股份有限公司 | Novel back pull rod suspension device |
| CN202782634U (en) * | 2012-08-17 | 2013-03-13 | 重庆长安汽车股份有限公司 | Anti-twisting pull rod type rubber suspension assembly |
| CN203601365U (en) * | 2013-11-18 | 2014-05-21 | 宁波拓普集团股份有限公司 | Rear pull rod suspension device of automobile power assembly system |
| CN106314116A (en) * | 2015-06-29 | 2017-01-11 | 广州汽车集团股份有限公司 | Anti-torque pulling rod |
| CN207902148U (en) * | 2018-01-03 | 2018-09-25 | 北京汽车股份有限公司 | A kind of power assembly rear suspension structure and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110239300B (en) | 2020-07-28 |
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Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |