Swinging arm of automobile suspension system, corresponding suspension system and automobile
A technology of automobile suspension and hem, which is applied to the suspension, the cantilever mounted on the pivot, and vehicle parts, etc., which can solve the problems of weight increase, cost increase, strength, stiffness, and excess buckling characteristics, etc., and achieve weight reduction. Improved strength and good buckling properties
Active Publication Date: 2015-05-27
GUANGZHOU AUTOMOBILE GROUP CO LTD
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Problems solved by technology
[0013] In order to overcome the problems of weight increase, cost increase, and excessive strength, stiffness and buckling characteristics caused by the thick forged arm of the swing arm in the prior art, the present invention provides a swing arm of an automobile suspension system and a corresponding automobile suspension system. Suspension system and automobiles adopt a unique rib structure, which improves the stress of the swing arm compared with hollow forgings, greatly improves stiffness and strength, ensures sufficient service life, and has good buckling characteristics; compared with solid forgings Effectively reduce weight, optimize performance, and benefit the ride comfort of the vehicle
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[0055] figure 2 A car independent suspension system is shown, which mainly includes a lower swing arm assembly 2 , a spring damper assembly 6 , an upper swing arm assembly 7 and a steering knuckle 8 .
[0056] The lower swing arm assembly 2 includes: a front bush 3, a rear bush 4, a ball pin body 1 and a lower swing arm body 20 ( figure 2 The lower arm body 20 adopts Figure 4 configuration of the lower arm body 20 shown, but figure 2 does not specifically show the reinforcing rib structure therein). The front bush 3 , the rear bush 4 and the middle bush (or strut bush) 5 are fitted in the lower arm body 20 by interference fit. The front bush 3 and the rear bush 4 are fastened on the sub-frame by bolts, and the front bush 3 and the rear bush 4 are arranged in a straight line to form the rotation axis of the lower swing arm body 20; the middle bush 5 is connected to the spring shock absorber Assembly 6; the ball pin body 1 is assembled in the ball pin seat 26 of the lowe...
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The invention provides a swinging arm of an automobile suspension system, a corresponding suspension system and an automobile. The swinging arm comprises a swinging arm body. The swinging arm body is of a hollow frame structure, three end-to-end reinforcing ribs formed integrally with the frame structure are arranged inside a hollow part formed in the frame structure, and a hollow triangle is formed by the three end-to-end reinforcing ribs. The hollow part formed in the frame structure further comprises at least one auxiliary reinforcing rib integrally formed with the frame structure, one end of the auxiliary reinforcing rib is connected with one ends of other reinforcing ribs, and the other end of the auxiliary reinforcing rib is connected with the frame structure. Compared with a hollow forge piece, the swinging arm has the advantages that the stress situation of the swinging arm is improved, rigidity and strength are greatly improved, enough service life is guaranteed, and the buckling performance is good. Compared with a solid forge piece, the swinging arm has the advantages that the weight is effectively reduced, performance is optimized, and the riding comfort of the whole automobile is facilitated.
Description
technical field [0001] The invention relates to the technical field of automobiles, in particular to a swing arm of an automobile suspension system, an automobile suspension system with the swing arm, and an automobile using the suspension system. Background technique [0002] There are lower swing arms in various suspension structures such as double wishbone and McPherson of automobiles, which play a guiding and supporting role. In addition to bearing and transmitting forces in various directions, they also affect positioning parameters such as toe-in and camber. Control the wheel trajectory. [0003] The body of the lower swing arm of the traditional double-wishbone suspension mostly adopts forged solid structure, but due to the limited level of domestic forging technology, coupled with factors such as equipment stability, for large-scale forgings with large cross-sections and complex shapes, the forging equipment and technology level are proposed. In addition, it is impo...
Claims
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IPC IPC(8): B60G7/00
Inventor 刘燕刘向征谷玉川谢常云周桂新
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD