CN207657535U - A kind of lower control arm and automobile - Google Patents
A kind of lower control arm and automobile Download PDFInfo
- Publication number
- CN207657535U CN207657535U CN201721486280.7U CN201721486280U CN207657535U CN 207657535 U CN207657535 U CN 207657535U CN 201721486280 U CN201721486280 U CN 201721486280U CN 207657535 U CN207657535 U CN 207657535U
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- China
- Prior art keywords
- control arm
- lower control
- mounting hole
- bushing
- ontology
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Abstract
A kind of lower control arm of the utility model offer and automobile, are related to automobile suspension system technical field, the lower control arm includes：The lower control arm ontology of Y shape；The ball pin being fixed in the first mounting hole of the lower control arm body first end；The the first lower control arm installation bushing being fixed in the second mounting hole of the lower control arm ontology second end；The the second lower control arm installation bushing being fixed in the third mounting hole at the lower control arm ontology third end；Wherein, second mounting hole and the third mounting hole are coaxial.The embodiment of the utility model reduces the weight of the lower control arm on the basis of ensure that the load bearing intensity of the lower control arm, reduces the environmental pollution of vehicle traveling process.
Description
Technical field
The utility model belongs to automobile suspension system technical field, more particularly, to a kind of lower control arm and automobile.
Background technology
The lower control arm of automobile is the guiding mechanism of suspension system, it requires that the lower control arm can be in running car
In the process, it when wheel moves up and down, is swung according to intrinsic planned course, and undertakes road surface during vehicle jolts
Impact.
In the prior art, the lower control arm is that steel plate punched welding processing forms, or is processed for steel forging casting
It forms, as currently to energy-saving and environment-friendly attention, the disadvantage that the lower control arm weight of iron structure is big is more and more obvious, and is led
It causes the polluted gas that automobile generates in the process of moving more, how to realize and bear the density of load in the guarantee lower control arm
On the basis of, mitigate the weight of the lower control arm, becomes current problem to be solved.
Utility model content
The utility model embodiment is designed to provide a kind of lower control arm and automobile, to solve the prior art
In, the larger problem of lower control arm weight, while ensure lower control arm bears density of load meet demand.
To achieve the goals above, the utility model embodiment provides a kind of lower control arm, including：
The lower control arm ontology of Y shape；
The ball pin being fixed in the first mounting hole of the lower control arm body first end；
The the first lower control arm installation bushing being fixed in the second mounting hole of the lower control arm ontology second end；
The the second lower control arm installation bushing being fixed in the third mounting hole at the lower control arm ontology third end；
Wherein, second mounting hole and the third mounting hole are coaxial.
Wherein, the ball pin, first lower control arm installation bushing and second lower control arm installation bushing with
The lower control arm ontology interference fit.
Wherein, first mounting hole is through the upper surface and lower face of the lower control arm ontology.
Wherein, in the lower control arm ontology of Y shape, the first part being connect with first end and connect with second end
The junction of two parts is arc-shaped transition；The junction of the second part and the Part III being connect with third end is arc mistake
It crosses；The junction of the first part and the Part III is arc-shaped transition.
Wherein, it is provided with bulge-structure on the second part, stabilizer bar installation is provided on the bulge-structure
Hole.
Wherein, the lower control arm further includes：Damper traveller bushing；
Wherein, the damper traveller bushing and the damper traveller bushing mounting holes mistake being arranged in the first part
It is full of cooperation.
Wherein, trackability mark is provided on the Part III.
Wherein, multiple reinforcing rib structures are provided on the lower control arm ontology；
Wherein, four reinforcing rib structures in the outer surface of second mounting hole and the third mounting hole are set
Symmetrically.
Wherein, the material of the lower control arm ontology is the almag of powder metallurgy.
Wherein, on the first lower control arm installation bushing, the axial direction of bushing is installed along first lower control arm
It is symmetrically arranged with two first through hole；
On the second lower control arm installation bushing, the axial direction that bushing is installed along second lower control arm is symmetrical
There are two the second through-holes for setting.
The utility model embodiment also provides a kind of automobile, including lower control arm as described above.
The above-mentioned technical proposal of the utility model at least has the advantages that：
The lower control arm of the utility model embodiment is realized and is subtracted by the aluminum-magnesium alloy material of choice of powder metallurgy
The purpose of the light lower control arm weight reduces automobile and generates in the process of moving to make the weight of vehicle reduce
Gas, finally realize environmentally friendly purpose；By the larger position of the stress on lower control arm ontology, reinforcing rib structure is set,
While mitigating the weight of lower control arm, local stress intensity is improved, avoids tearing in vehicle traveling process
It splits.
Description of the drawings
Fig. 1 is the schematic diagram of the lower control arm of the utility model embodiment；
Fig. 2 is the schematic diagram of the lower control arm ontology of the utility model embodiment；
Fig. 3 is that first lower control arm of the utility model embodiment installs a schematic diagram of bushing；
Fig. 4 is that first lower control arm of the utility model embodiment installs the another schematic diagram of bushing；
Fig. 5 is the schematic diagram of the damper traveller bushing of the utility model embodiment；
Fig. 6 is the schematic diagram of the ball pin of the utility model embodiment.
Reference sign：
1- lower control arm ontologies, the first mounting holes of 2-, 3- ball pins, the second mounting holes of 4-, the first lower control arms of 5- installation lining
Set, 6- third mounting holes, the second lower control arms of 7- install bushing, 8- bulge-structures, 9- stabilizer bar mounting holes, 10- dampings
Device traveller bushing, 11- damper traveller bushing mounting holes, 12- reinforcing rib structures, 13- first through hole, 14 second through-holes.
Specific implementation mode
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model embodiment is larger for lower control arm weight in the prior art, causes automobile in driving process
In, the more problem of the tail gas of generation provides a kind of lower control arm and automobile, realizes and ensureing that the lower control arm is total
On the basis of bearing the density of load, mitigate the purpose of the quality of the lower control arm.
As shown in figs 1 to 6, an embodiment of the utility model provides a kind of lower control arm, including：
The lower control arm ontology 1 of Y shape；
The ball pin 3 being fixed in the first mounting hole 2 of 1 first end of lower control arm ontology；
The the first lower control arm installation bushing 5 being fixed in the second mounting hole 4 of 1 second end of lower control arm ontology；
The the second lower control arm installation bushing 7 being fixed in the third mounting hole 6 at 1 third end of the lower control arm ontology；
Wherein, second mounting hole 4 and the third mounting hole 6 are coaxial.
Here, the lower control arm ontology 1 is designed as Y shape, saves the material of the lower control arm, alleviates
The purpose of energy-saving and emission-reduction is furthermore achieved in weight.
Specifically, as shown in Figure 3 and Figure 4, the schematic diagram of bushing is installed for the first lower control arm, wherein under described second
The structure that control arm installs bushing 7 is identical as first lower control arm installation structure of bushing 5.It is controlled by described first time
Arm installs bushing 5 and second lower control arm installs bushing 7, realizes and lower control arm is mounted on vehicle frame.
The lower control arm ontology 1 is connect by the ball pin 3 with wheel；Specifically, the structure of the ball pin 3 such as Fig. 6
It is shown, it is that one end diameter is big, the small structure of other end diameter.Specifically, as shown in Figure 1, smaller one end of 3 diameter of the ball pin
Across first mounting hole 2, one end and the upper surface of the lower control arm ontology 1 that the ball pin 3 is relatively large in diameter are put down substantially
Together.Wherein, the upper surface is the end face for being provided with trackability mark 15.
Wherein, second mounting hole 4 and the third mounting hole 6 are set to two coaxial mounting holes, be more convenient for
The lower control arm is mounted on vehicle frame, to further improve the installation effectiveness of the lower control arm.
Specifically, first mounting hole 2 is met through the upper surface and lower face of the lower control arm ontology 1
The status requirement of the lower control arm ontology 1 and wheel installation.
Bushing is installed in order to improve the ball pin 3, first lower control arm installation bushing 5 and second lower control arm
7 with the degree of firmly installing of the lower control arm ontology 1, avoid in vehicle traveling process, the ball pin 3 is controlled for described first time
Arm installation bushing 5 processed or second lower control arm installation bushing 7 fall off, and the ball pin 3 is interference with first mounting hole 2
Cooperation, the first lower control arm installation bushing 5 and second mounting hole 4 are interference fit, the second lower control arm peace
Fitted lining set 7 is interference fit with the third mounting hole 6.
Specifically, in the lower control arm ontology 1 of Y shape, the first part that is connect with first end and it is connect with second end
Second part junction be arc-shaped transition；The junction of the second part and the Part III being connect with third end is arc
Shape transition；The junction of the first part and the Part III is arc-shaped transition.By the first of the lower control arm ontology 1
Partly, second part and the mutual junction of Part III are designed as arc-shaped transition, and strengthen each section bears load
Intensity avoids automobile in the process of moving, and the stress concentration suffered by the lower control arm leads to the lower control arm
The phenomenon that cracking, occurs.Here, it should be noted that in order to mitigate weight, the arc of each transition is to the lower control arm sheet
The side of body 1 is recessed.
Wherein, in order to realize the stabilizer bar connection of the lower control arm and automobile, in the lower control arm sheet
It is provided with bulge-structure 8 on the second part of body 1, stabilizer bar mounting hole 9 is provided on the bulge-structure 8.Wherein, institute
The axis for stating stabilizer bar mounting hole 9 is parallel to the end face that the second part is provided with bulge-structure 8, and perpendicular to described
The both sides of the face of second part.
The stabilizer bar mounting hole 9 is arranged on the bulge-structure 8, the installation of stabilizer bar has been raised
Point has widened the distance between the stabilizer bar and the lower control arm ontology 1, effectively avoids steady in the transverse direction
In fixed pole twist process, stablizes bar assembly and collide with the lower control arm ontology 1 generation interference.
Further, the lower control arm further includes the damper traveller bushing 10 for installing automobile absorber；Wherein,
The structure of the damper traveller bushing 10 in the first part of the lower control arm ontology 1 as shown in figure 5, offer damper
Traveller bushing mounting holes 11, the damper traveller bushing 10 are pressed by interference, are fixed on the damper traveller bushing peace
It fills in hole 11, to improve the degree of firmly installing of the damper traveller bushing 10, avoids the damper traveller bushing 10
It falls off in vehicle traveling process.
In order to further increase the load bearing intensity of the lower control arm, as depicted in figs. 1 and 2, under described
The surface of control arm body 1 is provided with multiple reinforcing rib structures 12, specifically, the reinforcing rib structure 12 is arranged in the lower control
In each installation point of arm body 1 processed, the surface on the surface of first mounting hole 2 and second mounting hole 4, and, pass through
Calculate the position that stress is larger on the determining lower control arm ontology 1.Specifically, each installation point includes：Installation is laterally
It is around the damper traveller bushing mounting holes 11 and first mounting hole 2, described around the bulge-structure 8 of stabiliser bar
Second mounting hole 4 and 6 surrounding of third mounting hole etc..
Specifically, the reinforcing rib structure 12 of the outer surface of second mounting hole 4 and the third mounting hole 6 setting
Platy structure for the arc being bonded with second mounting hole 4 and 6 surface of third mounting hole, and second mounting hole
4 and 6 outer surface of third mounting hole it is every 90 ° setting one reinforcing rib structure 12, i.e.,：Second mounting hole 4 and described
The outer surface of third mounting hole 6 is symmetrically arranged with four reinforcing rib structures 12.
Further, as shown in Figure 3 and Figure 4, the first lower control arm installation bushing 5 is symmetrical along its axial direction
Setting there are two first through hole 13, avoid the radial and axial swing angle of the first lower control arm installation bushing 5 excessive,
The first lower control arm installation bushing, 5 inside mutually extrusion friction generates tearing, finally improves first lower control arm
The service life of bushing 5 is installed.Wherein, the through-hole is oblong through-hole.
Since second lower control arm installs the structure of the structure and first lower control arm installation bushing 5 of bushing 7
It is identical, as shown in Figure 1, second lower control arm installation bushing 7 is being symmetrically arranged with two second along its axial direction
Through-hole 14, and second through-hole 14 is identical as the effect of the first through hole 13.
Further, in order to realize the trackability to the lower control arm, the of the lower control arm ontology 1
Coining has trackability to identify 15 in three parts, wherein the trackability mark 15 includes the life of the lower control arm
Produce batch number and mold number etc..
The lower control arm of the utility model embodiment forges pressing process after being smelted by using powder metallurgy activation
Magnesium alloy, overcome the disadvantage of common magnesium alloy intensity deficiency, optimize and improve aluminum alloy organization structure, improve
Crystal grain activity makes the close even more than steel material of the intensity of magnesium alloy to improve the load that part can bear
Intensity, while relative to the lower control arm of steel material, weight is substantially reduced.
By using the lower control arm ontology of Y-shaped structure, material is further saved, weight is alleviated, in the lower control
The reinforcing rib structure 12 is arranged in the larger position of each installation point and stress on arm body 1 processed, improves the lower control arm
The intensity of assembly stress load, finally reduces environmental pollution on the basis of ensure that stress intensity.
Another embodiment of the utility model provides a kind of automobile, including lower control arm as described above.
Correspondingly, the lower control arm due to the utility model embodiment is applied to automobile, the utility model is real
It applies example and additionally provides a kind of automobile, wherein realize that embodiment is suitable for the implementation of the automobile described in above-mentioned lower control arm
In example, it can also reach identical technique effect.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (10)
1. a kind of lower control arm, which is characterized in that including：
The lower control arm ontology (1) of Y shape；
The ball pin (3) being fixed in the first mounting hole (2) of lower control arm ontology (1) first end；
The the first lower control arm installation bushing being fixed in the second mounting hole (4) of lower control arm ontology (1) second end
(5)；
The the second lower control arm installation bushing being fixed in the third mounting hole (6) at lower control arm ontology (1) the third end
(7)；
Wherein, second mounting hole (4) and the third mounting hole (6) are coaxial.
2. lower control arm according to claim 1, which is characterized in that the ball pin (3), first lower control arm
Bushing (5) is installed and second lower control arm installation bushing (7) is interference fitted with the lower control arm ontology (1).
3. lower control arm according to claim 1, which is characterized in that first mounting hole (2) is through described
The upper surface and lower face of lower control arm ontology (1).
4. lower control arm according to claim 1, which is characterized in that in the lower control arm ontology (1) of Y shape,
The junction of the first part and the second part being connect with second end that are connect with first end is arc-shaped transition；The second part
The junction for the Part III being connect with third end is arc-shaped transition；The junction of the first part and the Part III
For arc-shaped transition.
5. lower control arm according to claim 4, which is characterized in that be provided with bulge-structure on the second part
(8), it is provided with stabilizer bar mounting hole (9) on the bulge-structure (8).
6. lower control arm according to claim 4, which is characterized in that the lower control arm further includes：Damping
Device traveller bushing (10)；
Wherein, the damper traveller bushing (10) and the damper traveller bushing mounting holes being arranged in the first part
(11) it is interference fitted.
7. lower control arm according to claim 1, which is characterized in that be provided on the lower control arm ontology (1)
Multiple reinforcing rib structures (12)；
Wherein, the four reinforcing rib knots of the setting in second mounting hole (4) and the outer surface of the third mounting hole (6)
Structure (12) is symmetrical.
8. lower control arm according to claim 1, which is characterized in that the material of the lower control arm ontology (1) is
The almag of powder metallurgy.
9. lower control arm according to claim 1, which is characterized in that the first lower control arm installation bushing (5)
On, the axial direction along first lower control arm installation bushing (5) is symmetrically arranged with two first through hole (13)；
On the second lower control arm installation bushing (7), the axial direction along second lower control arm installation bushing (7) is symmetrical
Setting there are two the second through-hole (14).
10. a kind of automobile, which is characterized in that including such as claim 1-9 any one of them lower control arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486280.7U CN207657535U (en) | 2017-11-09 | 2017-11-09 | A kind of lower control arm and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486280.7U CN207657535U (en) | 2017-11-09 | 2017-11-09 | A kind of lower control arm and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207657535U true CN207657535U (en) | 2018-07-27 |
Family
ID=62938845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721486280.7U Expired - Fee Related CN207657535U (en) | 2017-11-09 | 2017-11-09 | A kind of lower control arm and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207657535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719054A (en) * | 2017-11-09 | 2018-02-23 | 北京汽车研究总院有限公司 | A kind of lower control arm and automobile |
-
2017
- 2017-11-09 CN CN201721486280.7U patent/CN207657535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719054A (en) * | 2017-11-09 | 2018-02-23 | 北京汽车研究总院有限公司 | A kind of lower control arm and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200811 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Patentee after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Patentee before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
|
| 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: 20180727 Termination date: 20211109 |