CN208914914U - Passenger car and independent suspension system - Google Patents
Passenger car and independent suspension system Download PDFInfo
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- CN208914914U CN208914914U CN201821740004.3U CN201821740004U CN208914914U CN 208914914 U CN208914914 U CN 208914914U CN 201821740004 U CN201821740004 U CN 201821740004U CN 208914914 U CN208914914 U CN 208914914U
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- spring
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Abstract
The utility model provides a kind of independent suspension system, leaf spring is horizontally placed between left wheel bracket and right Wheel support, leaf spring is lifted by vehicle frame, be articulated and connected left control arm and right control arm simultaneously on vehicle frame, it drives left control arm and right control arm to swing on the deformation direction of leaf spring by left wheel bracket and right Wheel support, improves the stability of independent suspension system.Meanwhile when vehicle advance, vehicle frame drives leaf spring to act jointly by left control arm and right control arm and vehicle frame, reduces leaf spring along vehicle forward direction load, optimizes the structure of transverse spring, improve the service life of leaf spring.The utility model additionally provides a kind of passenger car.
Description
Technical field
The utility model relates to passenger car technical fields, more specifically to a kind of passenger car and independent suspension system.
Background technique
Automotive suspension is the important component for guaranteeing riding comfort.Meanwhile automotive suspension is as vehicle frame (or vehicle body) and vehicle
Make the power transmission parts connected between axis (or wheel), and is the important component for guaranteeing ride safety of automobile.At present passenger car in order to
Comfort and handling stability energy are improved, the independent suspension system using helical spring as load-carrying unit, such as double transverse arms is generally used to hang
Frame, McPherson suspension, multi-link lever suspension fork or torsion beam suspension, these suspension frame structures are typically complex, higher cost.
Leaf spring is most widely used a kind of elastic element in automotive suspension, if it is but Length discrepancy wide by dry plate
The spring beam for the approximately equi-strength that the alloy spring piece of (thickness can be equal, can also be unequal) is composed, it is horizontal
Leaf spring by original independent suspension helical spring and swing arm be combined into one, both with independent suspension riding comfort,
Having both again has that structure is simple, occupies little space.
Fig. 1 is the first transverse spring suspension frame structure schematic diagram in the prior art comprising rear axle support assembly 11
`, balancing pole assembly 12`, the 1st rear spring bottom sheet assembly 13`, the 2nd rear spring bottom sheet assembly 14`, left back goat's horn 15
Goat's horn 16`, left damper 17` and right damper 18` behind `, the right side, the suspension frame structure use two groups of leaf springs, high with weight,
Disadvantage at high cost；And leaf spring and vehicle frame are rigidly connected, comfort is poor and noise easily occurs；Leaf spring is held as elasticity
Carry element, be generally solely subjected to Z-direction load, and program light plate spring bear simultaneously X to load, make making for leaf spring
Lowered with the service life.
Fig. 2 is second of transverse spring suspension frame structure schematic diagram in the prior art comprising steel plate spring assembly 21
`, trailing arm and more structure left installation bracket assembly 22`, vibration damper complement 23`, rear horizontal upper swing arm assembly 24`, limited block 25` are indulged
Arm and more structure right mounting bracket assembly 26`.This kind of suspension frame structure leaf spring and vehicle frame are rigidly connected, and comfort is poor and easily goes out
Existing noise；Still plate spring cover board and U-bolt have been used on steel plate spring assembly, leaf spring is as elastic carrier member
Part, is generally solely subjected to Z-direction load, and program light plate spring bear simultaneously X to load, make leaf spring uses the longevity
Life lowers.
Therefore, the suspension frame structure for how optimizing transverse spring, which is that current those skilled in the art are urgently to be resolved, asks
Topic.
Utility model content
In view of this, the present invention provides a kind of independent suspension systems, to optimize the suspension knot of transverse spring
Structure；The utility model additionally provides a kind of passenger car.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of independent suspension system is supportted including left wheel bracket, right Wheel support and frame in leaf spring between the two；
The first end of the leaf spring length direction is articulated and connected in the lower hinged end of the left wheel bracket, the steel
The second end articulated connection of flat spring length direction is hung in the middle part of the lower hinged end of the right Wheel support, the leaf spring
Loaded on vehicle frame；
It is also extended with and is hingedly connected in the left control arm of the upper hinged end of the left wheel bracket on the vehicle frame, and
It is articulated and connected in the right control arm of the upper hinged end of the right Wheel support；
The left control arm and the right control arm articulated connection are on the vehicle frame.
Preferably, in above-mentioned independent suspension system, the vehicle frame includes lifting the leaf spring and along its length side
To the mast-up of arrangement, the both ends of the mast-up length direction are extended with the left support that frame supports the left control arm upwards respectively
Frame and frame support the right support frame of the right control arm.
Preferably, it in above-mentioned independent suspension system, is provided in the middle part of the leaf spring and its vibration damping center is carried out
The fishbolt of positioning, the fishbolt are installed in the middle part of the mast-up.
Preferably, in above-mentioned independent suspension system, frame support is stretched out at the both ends of the mast-up length direction separately down
The mounting bracket of the leaf spring is installed with the vibration damping that vibration isolation is carried out to the vibration of the leaf spring in the mounting bracket
Structure.
Preferably, in above-mentioned independent suspension system, the mounting bracket be include being supported to the leaf spring
Bottom support plate, and be respectively arranged at the lifting plate of bottom support plate width direction two sides, the vibration-proof structure is to fill out
It fills in the vulcanized rubber in the mounting bracket.
Preferably, in above-mentioned independent suspension system, the leaf spring includes frame support in the left wheel bracket to institute
The spring leaf of right Wheel support is stated, the spring leaf includes the first spring leaf and the second bullet of arranged stacked from the bottom to top
Spring main leaf, the both ends of first spring leaf be respectively set embrace loaded on the left wheel bracket and institute right Wheel support on time
Shape bending part.
Preferably, in above-mentioned independent suspension system, the both ends of the second spring main leaf, which are respectively arranged with, is overlapped in institute
State the circular arc bending part in the outside wall surface of back-shaped bending part.
It preferably, further include the left resistance that frame supports in the middle part of the left wheel bracket respectively in above-mentioned independent suspension system
Buddhist nun's device and frame support the right damper in the middle part of the right Wheel support.
Preferably, in above-mentioned independent suspension system, the leaf spring includes frame support in the left wheel bracket and institute
State the single group leaf spring between right Wheel support.
A kind of passenger car, including car body and frame support in the independent suspension system of the vehicle bottom, the independent suspension system
System is independent suspension system described in any one as above.
Independent suspension system provided by the utility model, including left wheel bracket, right Wheel support and frame support in the two it
Between leaf spring；The first end of leaf spring length direction is articulated and connected in the lower hinged end of left wheel bracket, leaf spring
The second end articulated connection of length direction is lifted on vehicle frame in the middle part of the lower hinged end of right Wheel support, leaf spring；Vehicle
It is also extended with and is hingedly connected in the left control arm of the upper hinged end of left wheel bracket on frame, and articulated connection is in right wheel support
The right control arm of the upper hinged end of frame；Left control arm and the articulated connection of right control arm are on vehicle frame.Leaf spring is horizontally placed on left vehicle
Between wheel carrier bracker and right Wheel support, leaf spring is lifted by vehicle frame, on vehicle frame simultaneously be articulated and connected left control arm and
Right control arm, left control arm articulated connection is in the upper hinged end of left wheel bracket, and right control arm articulated connection is in right Wheel support
Upper hinged end pass through left wheel bracket and right Wheel support in leaf spring flexible deformation and drive left control arm and right control
Arm processed is swung on the deformation direction of leaf spring, improves the stability of independent suspension system.Meanwhile when vehicle advance, vehicle frame
It drives leaf spring to act jointly by left control arm and right control arm and vehicle frame, reduces leaf spring along vehicle forward direction
Load optimizes the structure of transverse spring, improves the service life of leaf spring.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first transverse spring suspension frame structure schematic diagram in the prior art；
Fig. 2 is the first transverse spring suspension frame structure schematic diagram in the prior art；
Fig. 3 is the structural schematic diagram of independent suspension system provided by the utility model；
Fig. 4 is the structural schematic diagram of transverse spring steel plate in Fig. 3.
Specific embodiment
The utility model discloses a kind of independent suspension systems, optimize the suspension frame structure of transverse spring；This is practical
It is novel to additionally provide a kind of passenger car.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 3 and Figure 4, Fig. 3 is the structural schematic diagram of independent suspension system provided by the utility model；Fig. 4 is Fig. 3
The structural schematic diagram of middle transverse spring steel plate.
The utility model provides a kind of independent suspension system, including left wheel bracket 1, right Wheel support 8 and frame support in
Leaf spring 4 between the two；The first end of 4 length direction of leaf spring is articulated and connected in the lower hinged end of left wheel bracket 1,
The second end articulated connection of 4 length direction of leaf spring is lifted in the lower hinged end of right Wheel support 8, the middle part of leaf spring 4
In on vehicle frame 3；It is also extended with and is hingedly connected in the left control arm 2 of the upper hinged end of left wheel bracket 1, and hinge on vehicle frame 3
It is connected to the right control arm 6 of the upper hinged end of right Wheel support 8 in succession；Left control arm 2 and the articulated connection of right control arm 6 are in vehicle frame 3
On.Leaf spring 4 is horizontally placed between left wheel bracket 1 and right Wheel support 8, is lifted by vehicle frame 3 to leaf spring 4, vehicle
Be articulated and connected left control arm 2 and right control arm 6 simultaneously on frame 3, and the left articulated connection of control arm 2 is in the upper hinged of left wheel bracket 1
End, the right articulated connection of control arm 6 pass through left wheel in 3 flexible deformation of leaf spring in the upper hinged end of right Wheel support 8
Bracket 1 and right Wheel support 8 drive left control arm 2 and right control arm 6 to swing on the deformation direction of leaf spring 4, improve only
The stability of vertical suspension system.Meanwhile when vehicle advance, vehicle frame 3 is common by left control arm 2 and right control arm 6 and vehicle frame 3
It drives leaf spring 4 to act, reduces leaf spring 4 along vehicle forward direction load, optimize the structure of transverse spring, mention
The high service life of leaf spring.
In one specific embodiment of this case, vehicle frame 3 includes the mast-up for lifting leaf spring 4 and arranging along its length
30, the both ends of 30 length direction of mast-up are extended with the left support frame 31 and the right control of frame support that frame supports left control arm 2 upwards respectively
The right support frame 32 of arm 6.For leaf spring 4 during up-down vibration, the both ends of length direction push left wheel bracket 1 and the right side
Wheel support 8 is located remotely from each other, or both tractions are close to each other.Corresponding left control arm 2 and right control arm 6 draw left wheel support respectively
The upper hinged end of frame 1 and right Wheel support 8 is swung, and therefore, vehicle frame 3 need to guarantee the lifting of stablizing to leaf spring 4, and
Left control arm 2 and stablizing for right control arm 6 are supported, include to leaf spring 4 by the setting of vehicle frame 3 to reduce vehicle frame self weight
The mast-up 30 of lifting, and left support frame 31 and right support frame 32 by stretching out on mast-up 30 are realized to left 2 He of control arm
The free-standing structure of right control arm 6.Leaf spring 4, left control arm 2 pendulum synchronous with right control arm 6 are driven by vehicle frame 3
Dynamic, three and left wheel bracket 1 and right Wheel support 6 constitute the H-shaped swinging structure driven by vehicle frame 3, wherein the transverse part of H-shaped
For vehicle frame, the H-shaped independent suspension structure drawn by vehicle frame 3 improves leaf spring support construction stability.
In one specific embodiment of this case, the clamping spiral shell positioned to its vibration damping center is provided in the middle part of leaf spring
Bolt 5, fishbolt 5 are installed in the middle part of mast-up 30.
The mounting bracket 43 of frame support leaf spring, mounting bracket 43 are stretched out in the both ends of 30 length direction of mast-up separately down
Inside it is installed with the vibration-proof structure that vibration isolation is carried out to the vibration of leaf spring 4.
Leaf spring 4 is formed by more pieces of resilient plate is stacked, and fishbolt 5 is located at the vibration damping center of leaf spring 4, will be more
Piece elastic plate is positioned and is sling to mast-up 30, and fishbolt 5, which is included at least, installs bolt through the center of leaf spring
45, the leaf spring locked to leaf spring 4 installs nut 46, and center installation bolt 45 is locked to mast-up 30
On vehicle frame connect locking nut 47.
Meanwhile the mounting bracket 43 that frame support is carried out to it is also set up on 4 length direction of leaf spring, mounting bracket 43 is by steel
The more pieces of resilient plate compact of flat spring 4, fixed vibration-proof structure in mounting bracket 43, leaf spring 4 are located in mounting bracket 43
And compression is supported by vibration-proof structure, mounting bracket 43 and vibration-proof structure play the role of leaf spring clamp jointly, together
When play the role of U-bolt and plate spring cover board, when leaf spring 4 acts, produced between deformation and mounting bracket 43
Raw impact carries out buffering absorbing by vibration-proof structure, improves the comfort and ride performance of independent suspension structure.
In one specific embodiment of this case, mounting bracket 43 be include the bottom support plate being supported to leaf spring 4,
With the lifting plate for being respectively arranged at bottom support plate width direction two sides, vibration-proof structure is the vulcanization rubber being filled in mounting bracket
Glue 44.Mounting bracket 43 surrounds U-shaped structure by bottom support plate and lifting plate, and mounting bracket 43 is installed on mast-up 30,
In the present embodiment, setting fold ear at the top of the lifting of plate is lifted, fold ear is attached at the bottom of mast-up, passes through bolt lock
Tightly on mast-up.It is locked after each flat spring plate assembly of leaf spring 4 by fishbolt, is then filled by mounting bracket 43
It is fitted on vehicle frame 4, then together by the vulcanization of rubber, support is stablized to leaf spring 4 to realize, and by leaf spring
4 form the assembly structure that can not be split with mounting bracket 43.Due to passing through vulcanized rubber 44 and leaf spring 4 in mounting bracket 43
Group is integrally formed, and leaf spring 4 generates in deformation process, by extruding vulcanized rubber 44, plays the role of good buffering absorbing,
Guarantee riding comfort.
In one specific embodiment of this case, leaf spring 4 includes that frame is supportted in left wheel bracket 1 to the bullet of right Wheel support 8
Spring main leaf, spring leaf include the first spring leaf 41 and second spring main leaf 42 of arranged stacked from the bottom to top, the first spring
The both ends of main leaf 41, which are respectively set, embraces the back-shaped bending part loaded on left wheel bracket 1 and right Wheel support 8.
In one specific embodiment of this case, the both ends of second spring main leaf 42, which are respectively arranged with, is overlapped in back-shaped bending part
Circular arc bending part in outside wall surface.
Leaf spring 4 is articulated and connected between left wheel bracket 1 and right Wheel support 8 by spring leaf, and spring leaf is
The double main leaf structures being made of the first spring leaf 41 and second spring main leaf 42, the first spring leaf 41 are located at bottom, end
Portion's setting revolution bending part, the lower hinged end of left wheel bracket 1 and right Wheel support 2 are correspondingly arranged axle assemble supporting, for
Turn round the suit of bending part.
Circular arc bending part is arranged in second spring main leaf 42, is overlapped in the revolution bending part of the first spring leaf 41, that is, steel
Flat spring 4 by the first spring leaf 41 revolution bending part and second spring main leaf 42 circular arc bending part, by 4 frame of leaf spring
It supports in the shaft-like support construction of left wheel bracket 1 and right Wheel support 8, improves the support construction stability of leaf spring.
It further include that left damper of the frame support respectively in 1 middle part of left wheel bracket (is not marked in one specific embodiment of this case
Show) and frame support in the right damper 7 at 8 middle part of right Wheel support.4 frame of leaf spring supports left wheel bracket 1 and right Wheel support 8,
It plays the role of the load-carrying unit and leading arm to car body, by left damper and right resistance on left wheel bracket 1 and right Wheel support 8
Buddhist nun's device 7 carries out vibration damping to vehicle frame, guarantees vehicle driving comfort.
In one specific embodiment of this case, leaf spring 4 includes that frame supports between left wheel bracket 1 and right Wheel support 8
Single group leaf spring.Leaf spring uses single group leaf spring, forms double wishbone suspension with left control arm 2 and right control arm 6
Structure, the receiving Z-direction load of leaf spring 4 play the role of elastic element, and X is to load mainly by left control arm 2 and right control
Arm 6 bear so that leaf spring 4 by X to load very little, further increase the service life of leaf spring.Steel plate bullet simultaneously
Spring reduces the stress of leaf spring using the leaf spring structure of double main leaves, and further improve leaf spring uses the longevity
Life.
The independent suspension system provided in the present embodiment is substituted traditional helical spring and leading arm by leaf spring, made
To have the characteristics that structure simple, at low cost for independent suspension system in the present embodiment, while be provided with double wishbone suspension movement and
Manipulate stability characteristic (quality).
The independent suspension system provided in based on the above embodiment, the utility model additionally provide a kind of passenger car, including
In the independent suspension system of vehicle bottom, the independent suspension system which is equipped with is in above-described embodiment for car body and frame support
The independent suspension system of offer.
Since the passenger car uses the independent suspension system of above-described embodiment, so the passenger car is by independent suspension system
Bring beneficial effect please refers to above-described embodiment.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of independent suspension system, which is characterized in that support including left wheel bracket, right Wheel support and frame between the two
Leaf spring；
The first end of the leaf spring length direction is articulated and connected in the lower hinged end of the left wheel bracket, the steel plate bullet
The second end articulated connection of spring length direction is lifted in the middle part of the lower hinged end of the right Wheel support, the leaf spring
On vehicle frame；
It is also extended with and is hingedly connected in the left control arm of the upper hinged end of the left wheel bracket on the vehicle frame, and is hinged
It is connected to the right control arm of the upper hinged end of the right Wheel support；
The left control arm and the right control arm articulated connection are on the vehicle frame.
2. independent suspension system according to claim 1, which is characterized in that the vehicle frame includes lifting the leaf spring
And the mast-up arranged along its length, the both ends of the mast-up length direction are extended with frame upwards respectively and support the left control
The left support frame and frame of arm processed support the right support frame of the right control arm.
3. independent suspension system according to claim 2, which is characterized in that be provided in the middle part of the leaf spring to it
The fishbolt that vibration damping center is positioned, the fishbolt are installed in the middle part of the mast-up.
4. independent suspension system according to claim 3, which is characterized in that distinguish at the both ends of the mast-up length direction
Extend downwardly the mounting bracket that frame supports the leaf spring, be installed in the mounting bracket vibration to the leaf spring into
The vibration-proof structure of row vibration isolation.
5. independent suspension system according to claim 4, which is characterized in that the mounting bracket is to include to the steel plate
The bottom support plate that spring is supported, and it is respectively arranged at the lifting plate of bottom support plate width direction two sides, it is described
Vibration-proof structure is the vulcanized rubber being filled in the mounting bracket.
6. independent suspension system according to claim 2, which is characterized in that the leaf spring includes frame support in the left side
For Wheel support to the spring leaf of the right Wheel support, the spring leaf includes the first spring of arranged stacked from the bottom to top
Main leaf and second spring main leaf, the both ends of first spring leaf, which are respectively set, embraces loaded on the right vehicle of the left wheel bracket and institute
Back-shaped bending part on wheel carrier bracker.
7. independent suspension system according to claim 6, which is characterized in that the both ends of the second spring main leaf are set respectively
It is equipped with the circular arc bending part being overlapped in the outside wall surface of the back-shaped bending part.
8. independent suspension system according to claim 1, which is characterized in that further include frame support respectively in the left wheel support
Left damper and frame in the middle part of frame support the right damper in the middle part of the right Wheel support.
9. independent suspension system according to claim 1, which is characterized in that the leaf spring includes frame support in the left side
Single group leaf spring between Wheel support and the right Wheel support.
10. a kind of passenger car, including car body and frame support in the independent suspension system of the vehicle bottom, which is characterized in that described
Independent suspension system is the independent suspension system as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740004.3U CN208914914U (en) | 2018-10-24 | 2018-10-24 | Passenger car and independent suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740004.3U CN208914914U (en) | 2018-10-24 | 2018-10-24 | Passenger car and independent suspension system |
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| Publication Number | Publication Date |
|---|---|
| CN208914914U true CN208914914U (en) | 2019-05-31 |
Family
ID=66710632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821740004.3U Active CN208914914U (en) | 2018-10-24 | 2018-10-24 | Passenger car and independent suspension system |
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| Country | Link |
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| CN (1) | CN208914914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305003A (en) * | 2018-10-24 | 2019-02-05 | 核心驱动科技（金华）有限公司 | Passenger car and independent suspension system |
| WO2023088076A1 (en) * | 2021-11-22 | 2023-05-25 | 宁德时代新能源科技股份有限公司 | Suspension structure and vehicle |
-
2018
- 2018-10-24 CN CN201821740004.3U patent/CN208914914U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305003A (en) * | 2018-10-24 | 2019-02-05 | 核心驱动科技（金华）有限公司 | Passenger car and independent suspension system |
| CN109305003B (en) * | 2018-10-24 | 2023-10-20 | 浙江盘毂动力科技有限公司 | Passenger car and independent suspension system |
| WO2023088076A1 (en) * | 2021-11-22 | 2023-05-25 | 宁德时代新能源科技股份有限公司 | Suspension structure and vehicle |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Patentee after: Zhejiang Panhu Power Technology Co., Ltd. Address before: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Patentee before: Core drive technology (Jinhua) Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |