CN104553651B - Lower swing arm and automobile - Google Patents
Lower swing arm and automobile Download PDFInfo
- Publication number
- CN104553651B CN104553651B CN201510041533.9A CN201510041533A CN104553651B CN 104553651 B CN104553651 B CN 104553651B CN 201510041533 A CN201510041533 A CN 201510041533A CN 104553651 B CN104553651 B CN 104553651B
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- China
- Prior art keywords
- connecting portion
- vehicle body
- body connecting
- swing arm
- lower swing
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- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses a kind of lower swing arm and automobile, the lower swing arm includes bottom arm body, wheel connecting portion, the first vehicle body connecting portion and the second vehicle body connecting portion are provided with bottom arm body, first vehicle body connecting portion is rotating connector, second vehicle body connecting portion is flexible connecting member, and flexible connecting member is located on the pivot center of rotating connector.Lower swing arm provided by the invention, when being rotated when lower swing arm because of vehicle up and down motion, lower swing arm relatively rotates using the first vehicle body connecting portion as basic point and vehicle body, and the second vehicle body connecting portion is due on pivot center, in the range of the up and down motion of wheel, it needs displacement to coordinate the displacement of rotation just smaller, and itself is flexibly connected with vehicle body, with certain free displacement amount, so, lower swing arm provided by the invention just reduces the interference amplitude of the first vehicle body connecting portion and the second vehicle body connecting portion in rotation process, so that wheel smoothly moves up and down, improve vehicle driving comfort.
Description
Technical field
The present invention relates to automotive engineering, and in particular to a kind of lower swing arm and automobile.
Background technology
The lower swing arm of automobile is arranged between the subframe of automobile and wheel, is that automotive suspension is primarily directed toward rod member,
Longitudinal force and cross force when bearing to start during automobile use, braking, turn, be determine vehicle performance critical piece it
One.
Fig. 1 is the structural representation of the Lower Sway Arm of Automobile in the prior art, as shown in figure 1, the lower swing arm includes " r " shape bottom
Arm body 11, fixing bolt 12, the ball pin of sleeve 13 and 14 peace are respectively arranged with three extensions of bottom arm body 11 " r " shape
Hole is filled, wherein, the axis of sleeve 13 is parallel with the axis of fixing bolt 12, and during installation, ball pin mounting hole 14 is for installing ball
Pin, the other end of ball pin are fixed on the knuckle of automotive wheel, and sleeve 13 is rotatablely connected with vehicle frame, and fixing bolt 12 passes through spiral shell
Mother is fixed on vehicle frame.In this way, lower swing arm connecting vehicle frame and wheel.
It is in place of the deficiencies in the prior art, when wheel is moved up and down by the impulsive force on ground, due to sleeve 13
It is rotatablely connected with vehicle frame, it also eliminates the shadow that wheel moves up and down while following vehicle frame to move up and down by rotary motion
Ring, but fixing bolt 12 is connected with vehicle frame by nut, and it can only follow vehicle frame to move up and down, thus the up and down motion of lower swing arm
With rotary motion at fixing bolt 12 amount of interference ride comfort that is very big, and having had influence in vehicle travel process.
The content of the invention
It is an object of the invention to provide lower swing arm and automobile, to reduce the self-interference width of lower swing arm in vehicle traveling process
Degree.
To achieve these goals, the present invention provides following technical scheme：
A kind of lower swing arm, including bottom arm body, wheel connecting portion is provided with the bottom arm body, the first vehicle body connects
Socket part and the second vehicle body connecting portion, the first vehicle body connecting portion is rotating connector, and the rotating connector is used for and automobile
Frame assembly rotation connection, the second vehicle body connecting portion be flexible connecting member, the flexible connecting member for and automobile
Frame assembly is flexibly connected, and the flexible connecting member is located on the pivot center of the rotating connector.
Above-mentioned lower swing arm, the rotating connector are sleeve or rotary shaft.
Above-mentioned lower swing arm, the flexible connecting member are sleeve or rotary shaft.
Above-mentioned lower swing arm, the geometric center of the flexible connecting member are located on the pivot center of the rotating connector.
Above-mentioned lower swing arm, the bottom arm body include flat part and at least one kink, described kink one end
The flat part is connected, the other end of the kink connects wheel connecting portion, the first vehicle body connecting portion and second vehicle body
One of connecting portion.
Above-mentioned lower swing arm, the bottom arm body include the first panel and second panel being bonded to each other.
Above-mentioned lower swing arm, in addition to strengthen cylinder, the reinforcement cylinder is fixed on the first panel and the second panel
Between.
A kind of automobile, including frame assembly and wheel set, in addition to above-mentioned lower swing arm, the wheel connecting portion and car
Wheel assembly is connected, and the first vehicle body connecting portion and the frame assembly are rotatablely connected, the second vehicle body connecting portion with it is described
Frame assembly is flexibly connected.
Above-mentioned automobile, at least one of the first vehicle body connecting portion and the second vehicle body connecting portion are served as a contrast by elasticity
Set is connected with the frame assembly.
In the above-mentioned technical solutions, lower swing arm provided by the invention, the first vehicle body connecting portion are rotatablely connected with vehicle body, and second
Vehicle body connecting portion and vehicle body are flexibly connected, and the second vehicle body connecting portion is on the pivot center of the first vehicle body connecting portion, in this way,
When being rotated when lower swing arm because of wheel up and down motion, by basic point and vehicle body of the first vehicle body connecting portion phase occurs for lower swing arm
To rotating, and the second vehicle body connecting portion is because on pivot center, it needs displacement to coordinate the displacement of rotation just smaller,
And itself is flexibly connected with vehicle body, has certain free displacement amount, in this way, lower swing arm provided by the invention is just greatly reduced
The interference amplitude of first vehicle body connecting portion and the second vehicle body connecting portion in rotation process, rotation is smoothly passed over so as to compare
To reduce the influence that wheel moves up and down to itself.
Because above-mentioned lower swing arm has above-mentioned technique effect, the automobile comprising the lower swing arm should also have corresponding technology effect
Fruit.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the Lower Sway Arm of Automobile in the prior art,
Fig. 2 is the front view of lower swing arm provided in an embodiment of the present invention；
Fig. 3 is the upward view of lower swing arm provided in an embodiment of the present invention；
Fig. 4 is the side view of lower swing arm provided in an embodiment of the present invention；
Fig. 5 is the use state figure of lower swing arm provided in an embodiment of the present invention.
Description of reference numerals：
Prior art：
11st, bottom arm body；12nd, fixing bolt；13rd, sleeve；14th, ball pin mounting hole.
The present invention：
21st, bottom arm body；211st, flat part；212nd, kink；213rd, first panel；214th, second panel；22nd, first
Vehicle body connecting portion；23rd, the second vehicle body connecting portion；24th, wheel connecting portion；25th, cylinder is strengthened；26th, wheel set；27th, frame assembly.
Embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair
It is bright to be further detailed.
As in Figure 2-4, a kind of lower swing arm provided in an embodiment of the present invention, including bottom arm body 21, bottom arm body
Wheel connecting portion 24, the first vehicle body connecting portion 22 and the second vehicle body connecting portion 23 are provided with 21, the first vehicle body connecting portion 22 is
Rotating connector, rotating connector are used to be rotatablely connected with the frame assembly 27 of automobile, and the second vehicle body connecting portion 23 connects to be flexible
Fitting, flexible connecting member are used to be rotatablely connected with the frame assembly 27 of automobile, and flexible connecting member is located at turning for rotating connector
In shaft line.
Specifically, wheel connecting portion 24 and bottom arm body 21 can be integral structure or split-type structural, such as
Wheel connecting portion 24 can be ball pin fixed seat, and ball pin fixed seat is spirally connected with bottom arm body 21, such wheel connecting portion 24 with
Bottom arm body 21 forms split-type structural；Wheel connecting portion 24 can also be plunger fixing hole, and plunger fixing hole is opened in down
On swing arm body 21, such wheel connecting portion 24 forms integral structure with bottom arm body 21.Likewise, the first vehicle body connects
The vehicle body connecting portion 23 of portion 22 and second and bottom arm body 21 can be integral structure or split-type structural.In addition very
Obvious, wheel connecting portion 24 can also refer to the attachment structure of other lower swing arms and automotive wheel assembly 26.
In the present embodiment, the frame assembly 27 (such as longeron) of the first vehicle body connecting portion 22 and automobile is rotatablely connected, the company of rotation
The concrete structure connect can be sleeve or rotary shaft, or other structures for being used to be rotatablely connected；Second vehicle body connecting portion 23 with
Frame assembly 27 (such as longeron) flexible connection of automobile, flexible connection is that it, which is referred to, works as car for being rigidly connected
When frame assembly 27 drives lower swing arm motion, flexible connecting member can make lower swing arm relative frame assembly 27 that a certain degree of position occur
Move.Specifically, flexible connecting member can be Flexible Connector, such as spring, resilient bushing, flexible connecting member can also be rotated
Attachment structure or sliding connection structure.Flexible connecting member is located on the pivot center of rotating connector.
The lower swing arm that the present embodiment provides, because the first vehicle body connecting portion 22 is rotatablely connected with frame assembly 27, works as the bottom
When arm rotates because of vehicle up and down motion, lower swing arm is that basic point occurs relative turn with vehicle body with the first vehicle body connecting portion 22
It is dynamic, and the second vehicle body connecting portion 23 is because on the pivot center of the first vehicle body connecting portion 22, it needs displacement and turned with coordinating
Dynamic displacement is relatively small, simultaneously because itself is flexibly connected with vehicle body, has certain free displacement amount, in this way,
It is dry in rotation process that lower swing arm provided by the invention just significantly reduces the first vehicle body connecting portion and the second vehicle body connecting portion
Amplitude is related to, is rotated so as to compare to smoothly pass over to reduce the influence that wheel moves up and down to itself.
In the present embodiment, it is preferred that the geometric center of flexible connecting member is located on the pivot center of rotating connector.Here
Geometric center refers to the center of profile physical dimension, in this way, flexible connecting member integrally needs to follow the amplitude of rotation minimum.
In the present embodiment, further, as shown in figure 4, bottom arm body 21 includes flat part 211 and at least one bending
Portion 212, one end connection flat part 211 of kink 212, other end connection wheel connecting portion 24, the first vehicle body of kink 212
One of vehicle body connecting portion 23 of connecting portion 22 and second.Kink 212 can be one, the one end of kink 212 connection flat board
Portion 211, the other end are the first vehicle body connecting portion 22；Kink 212 can also be three, and one end of three kinks 212 is
Flat part 211, the other end are respectively then wheel connecting portion 24, the first vehicle body connecting portion 22 and the second vehicle body connecting portion 23.Relatively
In the bottom arm body 21 of pure flat tabular in the prior art, the bottom arm body 21 with certain bending angle in stress with
Certain amplitude of deformation, so lift the performance during the use of bottom arm body 21.Wherein, flat part 211 and kink 212
Preferably integral structure, certain or split-type structural.
In the present embodiment, further, as shown in figure 3, bottom arm body 21 includes the He of first panel 213 being bonded to each other
Second panel 214.First panel 213 and second panel 214 are carried by being spirally connected or being welded to form bottom arm body 21, two plates
Rise the mechanical property of bottom arm body 21.Further, in addition to strengthen cylinder 25, strengthen cylinder 25 and be fixed on first panel 213
Between second panel 214.Pass through built-in reinforcement cylinder 25, the further intensity of reinforcement bottom arm body 21.Strengthening cylinder 25 can
To weld or be bolted in first panel 213 and/or second panel 214.
The embodiment of the present invention also provides a kind of automobile, including frame assembly 27 and wheel set 26, in addition to it is above-mentioned under
Swing arm, wheel connecting portion 24 are connected with wheel set 26, and the first vehicle body connecting portion 22 is rotatablely connected with frame assembly 27, the second car
Body connecting portion 23 is flexibly connected with frame assembly 27.
Because above-mentioned lower swing arm has above-mentioned technique effect, the automobile comprising the lower swing arm should also have corresponding technology effect
Fruit.
In the present embodiment, further, at least one of the first vehicle body connecting portion 22 and the second vehicle body connecting portion 23 pass through
Resilient bushing is connected with frame assembly 27.The resilient bushing additionally set further increases bottom arm body 21 and frame assembly 27
The deformable amount of junction.Lift the performance of lower swing arm.
Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The limitation of claims.
Claims (3)
1. a kind of lower swing arm, including bottom arm body, wheel connecting portion, the connection of the first vehicle body are provided with the bottom arm body
Portion and the second vehicle body connecting portion, it is characterised in that the first vehicle body connecting portion is rotating connector, and the rotating connector is used
It is rotatablely connected in the frame assembly of automobile, the second vehicle body connecting portion is flexible connecting member, and the flexible connecting member is used for
It is flexibly connected with the frame assembly of automobile, and the geometric center of the flexible connecting member is located at the rotary shaft of the rotating connector
On line, the second vehicle body connecting portion is longitudinally disposed, and the first vehicle body connecting portion is relative to the second vehicle body connecting portion
Set along longitudinal space angle；And the axis of the inner cylinder face of the first vehicle body connecting portion and the second vehicle body connecting portion is not
Collinearly；
The rotating connector is sleeve, and the flexible connecting member is sleeve, the first vehicle body connecting portion and second car
The axis that body connecting portion can surround its inner cylinder face rotates；
The bottom arm body includes flat part and at least one kink, and described kink one end connects the flat part, institute
The other end for stating kink is connected in the wheel connecting portion, the first vehicle body connecting portion and the second vehicle body connecting portion
One；
The bottom arm body includes the first panel and second panel being bonded to each other；
Also include strengthening cylinder, the reinforcement cylinder is fixed between the first panel and the second panel.
2. a kind of automobile, including frame assembly and wheel set, it is characterised in that also including the lower swing arm described in claim 1,
The wheel connecting portion is connected with the wheel set, and the first vehicle body connecting portion is rotatablely connected with the frame assembly, institute
The second vehicle body connecting portion is stated to be flexibly connected with the frame assembly.
3. automobile according to claim 2, it is characterised in that the first vehicle body connecting portion connects with second vehicle body
At least one of portion is connected by resilient bushing with the frame assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041533.9A CN104553651B (en) | 2015-01-27 | 2015-01-27 | Lower swing arm and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041533.9A CN104553651B (en) | 2015-01-27 | 2015-01-27 | Lower swing arm and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104553651A CN104553651A (en) | 2015-04-29 |
| CN104553651B true CN104553651B (en) | 2018-03-23 |
Family
ID=53071137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510041533.9A Expired - Fee Related CN104553651B (en) | 2015-01-27 | 2015-01-27 | Lower swing arm and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104553651B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835643A (en) * | 2016-05-16 | 2016-08-10 | 云南航天神州汽车有限公司 | Supporting point overhanging cross arm of shock absorber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201970817U (en) * | 2011-04-18 | 2011-09-14 | 宁波新之华汽车部件有限公司 | Automotive anti-shock and horizontal swinging arm |
| CN202192955U (en) * | 2011-09-06 | 2012-04-18 | 河北中兴汽车制造有限公司 | Lower swing arm of automobile |
| CN203681184U (en) * | 2013-12-31 | 2014-07-02 | 浙江吉利控股集团有限公司 | Lower suspension arm structure for front suspension frame |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201371720Y (en) * | 2009-01-22 | 2009-12-30 | 长城汽车股份有限公司 | Lower swing arm component of automotive suspension |
| CN201613791U (en) * | 2009-12-22 | 2010-10-27 | 浙江吉利汽车研究院有限公司 | Lower suspension arm of automobile |
| KR101427079B1 (en) * | 2013-06-11 | 2014-08-07 | 주식회사 오스템 | Lower arm for vehicle suspension system |
| CN204398791U (en) * | 2015-01-27 | 2015-06-17 | 安徽江淮汽车股份有限公司 | Lower swing arm and automobile |
-
2015
- 2015-01-27 CN CN201510041533.9A patent/CN104553651B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201970817U (en) * | 2011-04-18 | 2011-09-14 | 宁波新之华汽车部件有限公司 | Automotive anti-shock and horizontal swinging arm |
| CN202192955U (en) * | 2011-09-06 | 2012-04-18 | 河北中兴汽车制造有限公司 | Lower swing arm of automobile |
| CN203681184U (en) * | 2013-12-31 | 2014-07-02 | 浙江吉利控股集团有限公司 | Lower suspension arm structure for front suspension frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104553651A (en) | 2015-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: ANHUI JIANGHUAI AUTOMOBILE Co.,Ltd. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 |