Vehicle and pull rod type suspension device thereof

Abstract

The invention discloses a vehicle and a pull rod type suspension device thereof. The pull rod type suspension device comprises a bush assembly, a connecting rod and a transmission mount bracket, wherein the bush assembly comprises an inner core, a rubber part and an outer tube, the inner core is arranged inside the outer pipe, the rubber part is arranged between the outer pipe and the inner core, the side wall of the outer pipe is provided with a first through hole, and the position on the rubber part, which corresponds to the first opening, is provided with a second through opening; one end of the connecting rod penetrates the first opening of the outer pipe and the second opening of the rubber part to be connected with the inner core, and the connecting rod can swing between two opposite side walls relative to the first opening of the outer pipe; the transmission mount bracket is connected with the other end of the connecting rod. The pull rod type suspension device limits torsional displacement of a power assembly of a vehicle through connection of the connecting rod and the inner core and forming of the first opening for limiting movement of the connecting rod on the outer pipe, and solves the problems of aging inclination and reduction of fatigue durability of the bush assembly.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to a vehicle and a pull-rod suspension device thereof. Background technique [0002] In recent years, the domestic sales of SUVs (Sport Utility Vehicles) have been increasing year by year, and they are increasingly popular with consumers. Major OEMs have successively launched new SUVs on the market. Due to the large powertrains carried by SUVs ( Displacement is generally above 2.0), and the weight and torque of the engine mount are relatively large. [0003] However, when the vehicle is started and turned off, the torsion limit of the powertrain is realized by the structure of the rubber itself on the rubber bushing. When the vehicle is driven for a period of time and the vehicle is in harsh working conditions for a long time, the rubber is easy to age, and the rubber The fatigue durability of the bushing is reduced, so there is a risk of cracking. Moreover, the stiffness of the linear sect...

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Problems solved by technology

[0003] However, when the vehicle is started and turned off, the torsion limit of the powertrain is realized by the structure of the rubber itself on the rubber bushing. When the vehicle is driven for a period of time and the vehicle is in harsh working conditions for a long time, the rubber is easy to age, and the rubber The fatigue durability of the bushing is reduced, so there is a risk of cracking. Moreover, the stiffness of the linear section of the suspension changes, and the NVH (Noise, Vibration, Harshness, noise, vibration, and harshness) effect of the vehicle is reduced, so that the rear suspension of the engine is limited. , Loss of anti-twist function

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