CN105150821B - A kind of engine left suspension assembly - Google Patents
A kind of engine left suspension assembly Download PDFInfo
- Publication number
- CN105150821B CN105150821B CN201510607009.3A CN201510607009A CN105150821B CN 105150821 B CN105150821 B CN 105150821B CN 201510607009 A CN201510607009 A CN 201510607009A CN 105150821 B CN105150821 B CN 105150821B
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- Prior art keywords
- suspension
- rubber
- bracket
- metal core
- mounting
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- 239000000725 suspension Substances 0.000 title claims abstract description 82
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000004073 vulcanization Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 238000000338 in vitro Methods 0.000 claims 1
- 230000005284 excitation Effects 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 3
- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of engine left suspension assembly, including left suspension and left mounting bracket, left suspension includes vehicle body link, trailing arm and rubber bushing, rubber bushing includes annular outer cover, metal core, the first rubber and the second rubber, first rubber is included on annular section and "eight" shape part, the second rubber just to metal core upper left quarter, the inwall indention of the rubber part of upper right quarter；Vehicle body link includes left suspension upper bracket, left mount lower bracket and left suspension limiting plate, and three is sheet metal component, and left mounting bracket is cast member, including three suspension mounting posts and three speed changer mounting posts.When speed changer vibration can be avoided excessive, there is flex point in suspension static stiffness curve；Engine second order, quadravalence excitation are avoided, so as to be resonated during avoiding use, to meet the mode requirement of left mounting bracket, and the carrying border of engine and vehicle is required；Vehicle body link is the welding of sheet metal parts combined bay, and is integrated with air filter installation function.
Description
Technical field
The present invention relates to car engine suspension structure, and in particular to engine left suspension assembly.
Background technology
Existing engine left suspension assembly includes left suspension and left mounting bracket.Left suspension generally includes vehicle body connection
Frame, for the trailing arm being connected with left mounting bracket, the rubber bushing being connected between vehicle body link and trailing arm, rubber bushing rises
To the effect of damping.Rubber bushing includes annular outer cover and metal core, and metal core is centrally positioned in annular outer cover and led to
Cross the first rubber to be fixed together with annular outer cover vulcanization, vulcanization is fixed with the second rubber on the inwall of annular outer cover.Due to rubber
The structure design of glue bushing is unreasonable, causes suspension static stiffness curve flex point, the NVH poor performances of vehicle, damping effect easily occur
It is really bad.
Left mounting bracket is generally formed using stamping forming the welding of sheet metal parts, and stamping forming sheet metal component has lightweight
Advantage, but welding trouble, precision it is bad ensure；The boundary condition that engine is carried with vehicle can not be met during installation, a left side is outstanding
Put support mode relatively low, it is impossible to avoid engine second order, quadravalence excitation, cause to resonate and influence NVH performances.
The content of the invention
It is contemplated that optimizing the structure of left mounting assembly, damping effect is improved, engine second order, quadravalence excitation is avoided,
So as to avoiding resonating during use, required with the mode for meeting left mounting assembly, and engine and vehicle carrying
Border is required.
Therefore, the technical solution adopted in the present invention is：A kind of engine left suspension assembly, including left suspension and left suspension
Support, the left suspension includes vehicle body link, trailing arm, the rubber bushing being connected between vehicle body link and trailing arm, described
Rubber bushing includes annular outer cover and metal core, and the metal core is centrally positioned in annular outer cover and by the first rubber
It is fixed together with annular outer cover vulcanization, vulcanization is fixed with the second rubber, first rubber on the inwall of the annular outer cover
Including the "eight" shape part for wrapping the annular section outside metal core, being supported between metal core and annular section, institute
The second rubber is stated including the rubber part just to metal core bottom, just to the rubber part at the top of metal core, just to metal
The rubber part of fuse upper left quarter and the rubber part just to metal core upper right quarter, and the rubber just to metal core upper left quarter
Part and the inwall indention just to the rubber part of metal core upper right quarter；
The vehicle body link includes left suspension upper bracket, left mount lower bracket and left suspension limiting plate, and three is metal plate
Golden part, be provided with the front end of left suspension upper bracket two between left and right every and axis above and below the vehicle body connecting hole that extends, it is outstanding on a left side
Short slot is provided with the middle part of the rear end for putting upper bracket the rear end of left suspension upper bracket is divided into left back end and right rear end, the left back end
The left and right sides, the left and right sides of right rear end, which are provided with flange, and left back end and right rear end, to be each provided with above and below an axis
The air filter mounting hole of extension, left suspension upper bracket covers on the top of left mount lower bracket and welded together, and rubber bushing leads to
Cross annular outer cover to be welded in the arch chamber of left mount lower bracket bottom, the left and right sides of the left mount lower bracket is each provided with
The vehicle body connecting hole extended above and below one axis, the left suspension limiting plate is welded on left mount lower bracket by left and right ends head
Antetheca on, and it is left suspension limiting plate middle part arch upward forward；
The trailing arm is that cast member and front end be high, rear end is low, and the front end of trailing arm is stretched into the endoporus of metal core and and rubber
Glue bushing is fixed together, and vehicle body link covers on the top of trailing arm by the flange at left back end and both sides and is welded and fixed, support
The rear end of arm, which is provided with the left mounting bracket mounting hole extended above and below distribution triangular in shape and axis, to be used for and left mounting bracket phase
Even；
The left mounting bracket uses above and below integrally casting shaping, including three axis the outstanding of extension and distribution triangular in shape
Put and be provided with the speed changer mounting post of mounting post, three front and rear extensions of axis and distribution triangular in shape, each suspension mounting post
One suspension installing blind, and linked together by screw with trailing arm；A speed change is provided with each speed changer mounting post
Device installation through-hole, three suspension mounting posts are located at the top of three speed changer mounting posts, and the upper end of the suspension mounting post is higher by
Left mounting bracket body and add face for machine, it is external and be that the rear and front end of speed changer mounting post reaches left mounting bracket sheet respectively
Machine adds face, and the cross section for connecting the left mounting bracket body of three suspension mounting posts is " V " shape, and " V " is on the cross section
Width be less than the diameter of suspension mounting post, the lower half of each speed changer mounting post it is exposed outside.
As the preferred of such scheme, lightening hole is provided with and crisscross punching press muscle on the left suspension upper bracket.
Mitigate weight, increase intensity.
Beneficial effects of the present invention：The structure of the first rubber and the second rubber, position and quantity in rubber bushing are optimized,
And toothing just will be set to the inwall of metal core upper left quarter, the rubber part of upper right quarter, speed changer can be avoided vibrated
When big, there is flex point in suspension static stiffness curve, Static stiffness curve is seamlessly transitted in non-linear section；Set up on vehicle body link
Arched upward forward in the middle part of left suspension limiting plate, left suspension limiting plate, left suspension is installed and carries out spacing and increases vehicle body link
Structural strength；Trailing arm and left mounting bracket use casting, it is ensured that while structural strength, mitigate weight to greatest extent
Amount, makes its weight suitable with stamping forming sheet metal component weight, the boundary condition that engine is carried with vehicle when meeting installation,
Avoid being deformed during use, while improving the mode of left mounting bracket, avoid engine second order, quadravalence excitation and cause
Resonance, improves NVH performances.
Brief description of the drawings
Fig. 1 is the axonometric drawing of the present invention.
Fig. 2 is the axonometric drawing of left suspension.
Fig. 3 is the front view of left suspension.
Fig. 4 is Fig. 3 top view.
Fig. 5 is Fig. 3 left view.
Fig. 6 is the decomposing schematic representation of rubber bushing.
Fig. 7 is the structural representation of left suspension limiting plate.
Fig. 8 is the axonometric drawing of left mounting bracket.
Fig. 9 is the top view of left mounting bracket.
Figure 10 is Fig. 9 upward view.
Embodiment
Below by embodiment and with reference to accompanying drawing, the invention will be further described：
As shown in figure 1, a kind of engine left suspension assembly, is made up of left suspension and the two parts of left mounting bracket 4.Left suspension
It is made up of vehicle body link 1, trailing arm 2, the part of rubber bushing 3 three.
With reference to shown in Fig. 2-Fig. 5, left suspension is used to be connected with vehicle body by vehicle body link 1, and trailing arm 2 is used for and left suspension
Support 4 is connected, and rubber bushing 3 is connected between vehicle body link 1 and trailing arm 2.
With reference to shown in Fig. 2, Fig. 6, rubber bushing 3 is main by annular outer cover 31, metal core 32, the first rubber 33, second
Rubber 34 is constituted.First rubber 33, the second rubber 34 are vulcanization rubber.Metal core 32 is used to install fixed support with endoporus
Arm 2, metal core 32 is centrally positioned in annular outer cover 31 and is fixed on one with the vulcanization of annular outer cover 31 by the first rubber 33
Rise, vulcanization is fixed with the second rubber 34 on the inwall of annular outer cover 31.First rubber 33 includes two parts：Wrap in metal core
Annular section outside 32, is supported on the "eight" shape part between metal core 32 and annular section.Second rubber 34 includes four
Part：Just to the rubber part of the bottom of metal core 32, the rubber part just to the top of metal core 32, just to metal core 32
The rubber part of upper left quarter and the rubber part just to the upper right quarter of metal core 32.Wherein, just to the upper left quarter of metal core 32
Rubber part and the inwall indention just to the rubber part of the upper right quarter of metal core 32.
With reference to shown in Fig. 2-Fig. 5, vehicle body link 1 is main to be hanged by left suspension upper bracket 11, left mount lower bracket 12 and a left side
Put limiting plate 13 to be welded to form, three is sheet metal component.It is left suspension upper bracket 11 front end be provided with two between left and right every and
The vehicle body connecting hole a extended above and below axis, is provided with short slot by left suspension upper bracket 11 in the middle part of the rear end of left suspension upper bracket 11
Rear end be divided into left back end and right rear end, the left and right sides at left back end, the left and right sides of right rear end are provided with flange, and left back
The air filter mounting hole b for being each provided with extending above and below an axis on end and right rear end is used to install air filter.Propped up in left suspension
Frame 11 covers on the top of left mount lower bracket 12 and welded together, and rubber bushing 3 is welded on left suspension by annular outer cover 31
In the arch chamber of the bottom of lower carriage 12.The left and right sides of left mount lower bracket 12 is each provided with the vehicle body extended above and below an axis
Connecting hole a.
With reference to shown in Fig. 4, Fig. 7, left suspension limiting plate 13 is welded on before left mount lower bracket 12 by left and right ends head
On wall, and the middle part of left suspension limiting plate 13 is arched upward forward.
With reference to shown in Fig. 2-Fig. 5, trailing arm 2 is that cast member and front end be high, rear end is low, and metal core is stretched into the front end of trailing arm 2
It is fixed together in 32 endoporus and with rubber bushing 3, vehicle body link 1 covers on trailing arm 2 by the flange at left back end and both sides
Top and be welded and fixed, the rear end of trailing arm 2 is provided with the left mounting bracket extended above and below distribution triangular in shape and axis and installed
Hole c, left mounting bracket mounting hole c are used to be connected with left mounting bracket, and left mounting bracket is located at the underface of trailing arm 2.
Preferably, it is provided with lightening hole d and crisscross punching press muscle e on left suspension upper bracket 11.
With reference to shown in Fig. 8-Figure 10, left mounting bracket 4 uses integrally casting shaping, preferably aluminium alloy integrally casting into
Type.The cast member includes the suspension mounting post 41 of extension and distribution triangular in shape above and below three axis, each suspension mounting post 41
On be provided with a suspension installing blind, and linked together (with reference to shown in Fig. 1, Fig. 2 and Fig. 8) by screw and trailing arm 2；With
And before and after three axis extension and distribution triangular in shape speed changer mounting post 42, be provided with one in each speed changer mounting post 42
Individual speed changer installation through-hole, for being connected with speed changer.
Three suspension mounting posts 41 are located at the top of three speed changer mounting posts 42, and the upper end of suspension mounting post 41 is higher by a left side
Mounting bracket body and add face for machine, to ensure installation accuracy.The rear and front end of speed changer mounting post 42 reaches left suspension respectively
Rack body is outer and is machine plus face, also for guarantee installation accuracy.
To save material to greatest extent, mitigate weight, connect the left mounting bracket body of three suspension mounting posts 41
Cross section is " V " shape, and the width of " V " on the cross section is less than the diameter of suspension mounting post 41, and each speed changer is installed
The lower half of post 42 it is exposed outside.
Claims (3)
1. a kind of engine left suspension assembly, including left suspension and left mounting bracket (4), it is characterised in that：The left suspension bag
Vehicle body link (1), trailing arm (2) and rubber bushing (3) are included, the rubber bushing (3) includes annular outer cover (31) and metal-cored
Sub (32), the metal core (32) is centrally positioned in annular outer cover (31) and by the first rubber (33) and annular outer cover
(31) vulcanization is fixed together, and vulcanization is fixed with the second rubber (34), first rubber on the inwall of the annular outer cover (31)
Glue (33) includes wrapping in the outer annular section of metal core (32), is supported on metal core (32) between annular section
"eight" shape part, second rubber (34) is including the rubber part just to metal core (32) bottom, just to metal core
(32) rubber part at the top of, the rubber part just to metal core (32) upper left quarter and just to metal core (32) upper right quarter
Rubber part, and the rubber part just to metal core (32) upper left quarter and the rubber part just to metal core (32) upper right quarter
Inwall indention；
The vehicle body link (1) includes left suspension upper bracket (11), left mount lower bracket (12) and left suspension limiting plate (13),
Three is sheet metal component, be provided with the front end of left suspension upper bracket (11) two between left and right every and axis above and below the vehicle body that extends
Connecting hole (a), short slot is provided with the middle part of the rear end of left suspension upper bracket (11) rear end of left suspension upper bracket (11) is divided into a left side
Rear end and right rear end, the left and right sides at the left back end, the left and right sides of right rear end are provided with after flange, and left back end and the right side
The air filter mounting hole (b) extended above and below an axis is each provided with end, left suspension upper bracket (11) covers under left suspension and propped up
The top of frame (12) simultaneously welds together, and rubber bushing (3) is welded on left mount lower bracket (12) bottom by annular outer cover (31)
In the arch chamber in portion, the left and right sides of the left mount lower bracket (12) is each provided with the vehicle body connection extended above and below an axis
Hole (a), the left suspension limiting plate (13) is welded on the antetheca of left mount lower bracket (12) by left and right ends head, and left outstanding
Arch upward forward at the middle part for putting limiting plate (13)；
The trailing arm (2) is that cast member and front end be high, rear end is low, and the front end of trailing arm (2) is stretched into the endoporus of metal core (32)
And be fixed together with rubber bushing (3), vehicle body link (1) covers on the upper of trailing arm (2) by the flange at left back end and both sides
Side is simultaneously welded and fixed, and the rear end of trailing arm (2) is provided with the left mounting bracket mounting hole extended above and below distribution triangular in shape and axis
(c) it is used to be connected with left mounting bracket (4)；
Left mounting bracket (4) integrally casting shaping, including the suspension of extension and distribution triangular in shape is pacified above and below three axis
The speed changer mounting post (42) of post (41), three front and rear extensions of axis and distribution triangular in shape is filled, mounting post (41) is each suspended
On be provided with a suspension installing blind, and linked together by screw with trailing arm (2)；In each speed changer mounting post (42)
A speed changer installation through-hole is provided with, three suspension mounting posts (41) are located at the top of three speed changer mounting posts (42), institute
The upper end for stating suspension mounting post (41) is higher by left mounting bracket body and for machine plus face, the rear and front end of speed changer mounting post (42)
Left mounting bracket sheet is reached respectively in vitro and machine plus face is, and connects the left mounting bracket body of three suspension mounting posts (41)
Cross section is " V " shape, and the width of " V " on the cross section is less than the diameter of suspension mounting post (41), each speed changer peace
Fill post (42) lower half it is exposed outside.
2. according to the engine left suspension assembly described in claim 1, it is characterised in that：Set on the left suspension upper bracket (11)
It is equipped with lightening hole (d) and crisscross punching press muscle (e).
3. according to the engine left suspension assembly described in claim 1, it is characterised in that：The left mounting bracket (4) uses aluminium
Alloy integrally casting shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510607009.3A CN105150821B (en) | 2015-09-22 | 2015-09-22 | A kind of engine left suspension assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510607009.3A CN105150821B (en) | 2015-09-22 | 2015-09-22 | A kind of engine left suspension assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105150821A CN105150821A (en) | 2015-12-16 |
| CN105150821B true CN105150821B (en) | 2017-07-14 |
Family
ID=54791993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510607009.3A Expired - Fee Related CN105150821B (en) | 2015-09-22 | 2015-09-22 | A kind of engine left suspension assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105150821B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962567A (en) * | 2019-12-25 | 2020-04-07 | 汉腾汽车有限公司 | A Left Suspension Optimized for Vibration Reduction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201553011U (en) * | 2009-10-27 | 2010-08-18 | 重庆长安汽车股份有限公司 | Mounting structure of automobile engine |
| CN203460681U (en) * | 2013-07-30 | 2014-03-05 | 长城汽车股份有限公司 | Engine suspension assembly, corresponding automotive power assembly and automobile |
| CN204415122U (en) * | 2015-01-26 | 2015-06-24 | 安徽江淮汽车股份有限公司 | A kind of mounting structure |
| CN205059214U (en) * | 2015-09-22 | 2016-03-02 | 重庆凯特动力科技有限公司 | Left suspension assembly of engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989046A (en) * | 1995-09-26 | 1997-03-31 | Tokai Rubber Ind Ltd | Engine mount |
-
2015
- 2015-09-22 CN CN201510607009.3A patent/CN105150821B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201553011U (en) * | 2009-10-27 | 2010-08-18 | 重庆长安汽车股份有限公司 | Mounting structure of automobile engine |
| CN203460681U (en) * | 2013-07-30 | 2014-03-05 | 长城汽车股份有限公司 | Engine suspension assembly, corresponding automotive power assembly and automobile |
| CN204415122U (en) * | 2015-01-26 | 2015-06-24 | 安徽江淮汽车股份有限公司 | A kind of mounting structure |
| CN205059214U (en) * | 2015-09-22 | 2016-03-02 | 重庆凯特动力科技有限公司 | Left suspension assembly of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105150821A (en) | 2015-12-16 |
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Granted publication date: 20170714 Termination date: 20190922 |