CN213920576U - Lower control arm behind car - Google Patents
Lower control arm behind car Download PDFInfo
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- CN213920576U CN213920576U CN202022922608.3U CN202022922608U CN213920576U CN 213920576 U CN213920576 U CN 213920576U CN 202022922608 U CN202022922608 U CN 202022922608U CN 213920576 U CN213920576 U CN 213920576U
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- control arm
- lower control
- arm body
- mounting hole
- rear lower
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Abstract
The utility model discloses a lower control arm behind car, including back lower control arm body, connect upper left bush mounting hole, upper right bush mounting hole, two fixed ears, right lower bush mounting hole on back lower control arm body respectively, its characterized in that: circular grooves are respectively arranged on two sides of the rear lower control arm body, so that the main body part of the rear lower control arm body forms an annular structure, a central reinforcing sheet of the rear lower control arm body is formed between the groove bottoms of the circular grooves on the two sides, first weight reducing grooves are respectively arranged on two sides of the curved short arm of the rear lower control arm body and the left upper bushing mounting hole, second weight reducing grooves are respectively arranged on two sides of the curved long arm of the rear lower control arm body and the right upper bushing mounting hole, a first U-shaped clamping opening is formed between the two fixing lugs, and a third weight reducing groove is arranged at the joint of the bottom end of the first U-shaped clamping opening and the rear lower control arm body. The utility model discloses satisfying under the prerequisite of same performance, realized the lightweight of product.
Description
Technical Field
The utility model relates to an automobile suspension spare part, concretely relates to lower control arm behind car.
Background
The lower control arm of the rear suspension of the automobile, also called the lower control arm of the rear suspension of the automobile, belongs to one of the larger safety parts, and connects the wheel and the automobile body together elastically through a spherical hinge or a bush, and the lower control arm is used as a guiding and force transferring element of the automobile suspension system, transfers various forces acting on the wheel to the automobile body, and ensures that the wheel moves according to a certain track. When the vehicle runs, various loads are borne, so that the rear lower control arm has enough rigidity, strength and service life.
The lower control arm in back usually includes the lower control arm body in back, connects the upper left bush mounting hole of the upper left side of lower control arm body in back, connects the upper right bush mounting hole of the upper right side of lower control arm in back, connects two fixed ears that are used for connecting the knuckle bush in the lower left side of control arm in back, connects the lower right bush mounting hole of the lower right side of control arm in back. To meet the larger load bearing requirements, the lower rear control arm is generally of a solid structure and has a larger weight. One way to reduce weight is to provide a recess in one side of the trailing control arm body.
With the increasing amount of automobiles kept in the world, the problems of energy supply shortage and exhaust pollution aggravation are increasingly highlighted. Research shows that one of the most effective means for energy conservation and emission reduction is the light weight of the automobile, and when the self weight of the automobile is reduced by 100kg, the exhaust emission can be reduced by 800kg in the whole service period of the automobile, and the gasoline can be saved by 3 t. In addition, the light weight has more important significance for new energy automobiles, and the driving mileage can be obviously increased under the condition of keeping the capacity of the battery unchanged.
Therefore, the lower rear control arm which is light in weight, has enough rigidity and strength and has long service life is provided, and is particularly important for modern automobiles.
Disclosure of Invention
The utility model aims at providing a lower control arm behind car, through structural design, make it realize the lightweight under the prerequisite that has high strength and high rigidity.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: an automobile rear lower control arm comprises a rear lower control arm body, a left upper bushing mounting hole, a right upper bushing mounting hole, two fixing lugs on the left lower side and a right lower bushing mounting hole which are respectively connected with the left upper side of the rear lower control arm body, circular grooves are respectively arranged on two sides of the rear lower control arm body, so that the main body part of the rear lower control arm body forms an annular structure and a central reinforcing sheet of the rear lower control arm body is formed between the groove bottoms of the circular grooves on the two sides, first lightening grooves are respectively arranged on two sides of a short bent edge arm connecting the rear lower control arm body and the mounting hole of the left upper bushing, second lightening grooves are respectively arranged on two sides of a curved long arm connecting the rear lower control arm body and the right upper bushing mounting hole, a first U-shaped clamping opening is formed between the two fixing lugs, and a third weight-reducing groove is formed at the joint of the bottom end of the first U-shaped clamping opening and the rear lower control arm body.
In the technical scheme, the circular grooves are respectively arranged on the two sides of the rear lower control arm body, so that the force bearing main body of the rear lower control arm forms a ring shape, and the central reinforcing sheet is used for reinforcing, so that the weight is greatly reduced on the premise of effectively ensuring the rigidity; meanwhile, the weight reduction grooves are respectively arranged at the bottom sides of the short bent-edge arm, the long bent-edge arm and the fixing lug, so that the weight is further reduced on the premise of not influencing the strength.
In the technical scheme, the center of the central reinforcing sheet is provided with a special-shaped through hole.
According to a further technical scheme, at least one weight-reducing round hole is formed in the bottom of a second weight-reducing groove of the curved long arm.
In the above technical scheme, the first weight-reducing groove, the second weight-reducing groove and the third weight-reducing groove are respectively triangular or irregular.
According to the further technical scheme, a connecting rod mounting hole is formed in the upper side of the rear lower control arm body, and the connecting rod mounting hole is connected with the rear lower control arm body through a connecting rod connecting short arm.
In the technical scheme, the two fixing lugs are connected with the rear lower control arm body through the fixing lug connecting short arms respectively, and the fixing lugs are provided with circular through holes.
In a preferred technical scheme, the outer ends of the two fixing lugs are respectively provided with a fourth weight-reducing groove.
According to a further technical scheme, a second U-shaped clamping opening is formed in the lower right side of the bent long arm, and circular through holes are formed in two connecting pieces formed by the second U-shaped clamping opening.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a circular recess has been arranged respectively in the both sides of control arm body under the back, makes the load main part of control arm constitute the annular under the back to strengthen the piece by central authorities and provide the enhancement, under the prerequisite of effectively guaranteeing the rigidity, alleviateed weight greatly, simultaneously, to other linking arms through the structure optimization such as grooving, trompil, under the prerequisite that satisfies same performance, make product weight reduce nearly 50%.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of the embodiment from the other side.
Wherein: 1. A lower rear control arm body; 2. a circular groove; 3. a through hole; 4. a left upper bushing mounting hole; 5. a short arm with a curved edge; 6. a first weight-reduction groove; 7. a connecting rod mounting hole; 8. the connecting rod is connected with the short arm; 9. a right upper bushing mounting hole; 10. a curved long arm; 11. a second weight-reduction groove; 12. a weight-reducing round hole; 13. a first U-shaped nip; 14. the fixed lug is connected with the short arm; 15. a third weight-reduction groove; 16. fixing the ear; 17. a fourth weight-reduction groove; 18. a right lower bushing mounting hole; 19. the right lower bushing is connected with the short arm; 20. a second U-shaped nip; 21. and a circular through hole.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
the first embodiment is as follows: referring to fig. 1 and 2, an automobile rear lower control arm comprises a rear lower control arm body 1, wherein circular grooves 2 are arranged on two sides of the central position of the rear lower control arm body 1, a special-shaped through hole 3 is arranged on the central position of the circular groove 2, a left upper bushing mounting hole 4 is arranged on the left upper side of the rear lower control arm body 1, the left upper bushing mounting hole 4 is connected with the rear lower control arm body 1 through a bent short arm 5, triangular or special-shaped first lightening grooves 6 are respectively arranged on two sides of the bent short arm 5, a connecting rod mounting hole 7 is arranged on the upper side of the rear lower control arm body 1, the connecting rod mounting hole 7 is connected with the rear lower control arm body 1 through a connecting rod connecting short arm 8, a right upper bushing mounting hole 9 is arranged on the right upper side of the rear lower control arm body 1, the right upper bushing mounting hole 9 is connected with the rear lower control arm body 1 through a bent long arm 10, triangular or special-shaped second lightening grooves 11 are respectively arranged on two sides of the bent long arm 10, a weight reducing round hole 12 is arranged at the bottom of the second weight reducing groove 11, two fixing lugs 16 are arranged at the left lower side of the rear lower control arm body 1, the fixing lugs 16 are respectively connected with the rear lower control arm body 1 through fixing lug connecting short arms 14 to form a first U-shaped clamping opening 13, a triangular or special-shaped third weight reducing groove 15 is arranged between the fixing lug connecting short arms 14 and the circular groove 2, circular through holes are arranged on the fixing lugs 16, two fourth weight reducing grooves 17 are arranged at the outer ends of the fixing lugs 16, a right lower bushing mounting hole 18 is arranged at the right lower side of the rear lower control arm body 1, the right lower bushing mounting hole 18 is connected with the rear lower control arm body 1 through a right lower bushing connecting short arm 19, a second U-shaped clamping opening 20 is arranged at the right lower side of the curved long arm 10, and a circular through hole 21 is arranged on the second U-shaped clamping opening 20.
This embodiment is through reasonable structure such as setting up the digging groove, trompil, under the prerequisite of guaranteeing product strength, and whole weight reduction is about 50%.
Claims (8)
1. The utility model provides a lower control arm behind car, includes control arm body under the back, connects respectively at the upper left bush mounting hole of the upper left side of control arm body under the back, the upper right bush mounting hole of the upper right side, two fixed ears of left downside, right downside right side lower bush mounting hole, its characterized in that: circular grooves are respectively arranged on two sides of the rear lower control arm body, so that a main body part of the rear lower control arm body forms an annular structure, a central reinforcing sheet of the rear lower control arm body is formed between the bottoms of the circular grooves on the two sides, first weight reducing grooves are respectively arranged on two sides of a bent short arm connecting the rear lower control arm body and an upper left bushing mounting hole, second weight reducing grooves are respectively arranged on two sides of a bent long arm connecting the rear lower control arm body and an upper right bushing mounting hole, a first U-shaped clamping opening is formed between the two fixing lugs, and a third weight reducing groove is arranged at the joint of the bottom end of the first U-shaped clamping opening and the rear lower control arm body.
2. The lower rear control arm for a vehicle according to claim 1, wherein: the center position of central authorities' reinforcing piece is equipped with special-shaped through-hole.
3. The lower rear control arm for a vehicle according to claim 1, wherein: at least one weight-reducing round hole is formed in the bottom of the second weight-reducing groove of the bent long arm.
4. The lower rear control arm for a vehicle according to claim 1, wherein: the first weight reduction groove, the second weight reduction groove and the third weight reduction groove are triangular or special-shaped respectively.
5. The lower rear control arm for a vehicle according to claim 1, wherein: and a connecting rod mounting hole is arranged on the upper side of the rear lower control arm body, and the connecting rod mounting hole is connected with the rear lower control arm body through a connecting rod connecting short arm.
6. The lower rear control arm for a vehicle according to claim 1, wherein: the two fixing lugs are connected with the rear lower control arm body through the fixing lug connecting short arms respectively, and circular through holes are formed in the fixing lugs.
7. The lower control arm behind car according to claim 6, characterized in that: and the outer ends of the two fixing lugs are respectively provided with a fourth weight-reducing groove.
8. The lower rear control arm for a vehicle according to claim 1, wherein: the lower right side of the bent long arm is provided with a second U-shaped clamping opening, and two connecting sheets formed by the second U-shaped clamping openings are provided with circular through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022922608.3U CN213920576U (en) | 2020-12-08 | 2020-12-08 | Lower control arm behind car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022922608.3U CN213920576U (en) | 2020-12-08 | 2020-12-08 | Lower control arm behind car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213920576U true CN213920576U (en) | 2021-08-10 |
Family
ID=77150490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022922608.3U Active CN213920576U (en) | 2020-12-08 | 2020-12-08 | Lower control arm behind car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213920576U (en) |
-
2020
- 2020-12-08 CN CN202022922608.3U patent/CN213920576U/en active Active
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