CN203752819U - Front suspension frame assembly with square auxiliary frame - Google Patents

Abstract

The utility model relates to a front suspension assembly of a mouth-shaped auxiliary frame, which comprises a mouth-shaped auxiliary frame (1) connected with lower swing arms (2) on both sides, and each lower swing arm is respectively connected with a steering knuckle and a wheel hub assembly (3), a shock absorber is installed on each steering knuckle, and a stabilizer bar assembly (8) is provided at the front of the subframe, and the two ends of the stabilizer bar assembly 8 are respectively connected to a connecting rod (9 ), and the other end of each connecting rod is connected with the corresponding shock absorber respectively. Both sides of the mouth-shaped auxiliary frame are respectively connected with a horizontal support (13) and a vertical support (14), which are respectively connected with the front fulcrum and the rear fulcrum of the lower swing arm. The beneficial effect of the utility model is that the auxiliary frame is integrally formed by stamping and welding, which ensures the connection stiffness of the suspension and improves the stability and ride comfort of the whole vehicle; the hollow structure of the mouth reduces the occupation of the front suspension space and provides The arrangement of the engines leaves a lot of room.

Description

Front suspension assembly of a mouth-shaped sub-frame

technical field

The utility model relates to auto parts, in particular to a front suspension assembly that can be widely applied to small and medium-sized cars and SUVs with a front axle load of 0.75T-0.84T.

Background technique

While supporting the weight of the car body, the suspension buffers and absorbs the up and down vibration of the wheels caused by road impacts, etc., preventing the vibration from being directly transmitted to the car body. Thereby improving the comfort of the driver and passengers, protecting the goods, reducing the dynamic stress of the car body, effectively reducing the dynamic unbalance in the wheel movement, thereby suppressing the vibration of the wheel and improving the driving stability. The traditional independent suspension has complex structure, high cost, and inconvenient maintenance and transportation. The existing double-wishbone suspension takes up a lot of space, which directly affects the layout of the engine and steering system.

Utility model content

The purpose of the utility model is to provide a front suspension assembly in order to overcome the defect that the existing suspension takes up a lot of space and directly affects the arrangement of the engine and the steering system.

The technical scheme that the utility model solves its technical problem adopts is:

A front suspension assembly of a mouth-shaped sub-frame, including a mouth-shaped sub-frame, connected to a lower swing arm on both sides, and connected to a steering knuckle and a wheel hub assembly on each lower swing arm, each steering knuckle A shock absorber is installed on the upper end of each shock absorber, and a coil spring is installed on the upper end of each shock absorber. The front part of the subframe is equipped with a stabilizer bar assembly. The two ends of the stabilizer bar assembly are respectively connected to a connecting rod. Each connecting rod The other ends of each are matched with the corresponding shock absorbers, and it is characterized in that: the two sides of the mouth-shaped sub-frame are respectively connected with horizontal brackets and vertical brackets, and the horizontal brackets and vertical brackets are respectively connected with the rear fulcrum and front fulcrum of the lower swing arm .

On the basis of above-mentioned technical scheme, can have following further technical scheme:

Horizontal bolts are connected to the horizontal bracket, bushings are connected to the horizontal bolts, and the bushings are sequentially provided with sleeves and vibration isolation sleeves. The outside of the vibration isolation sleeve is connected to a sleeve, and the sleeve is connected to the rear fulcrum of the lower swing arm;

A vertical bolt is connected to the vertical support, and the vertical bolt is connected with the matched inner sleeve, rubber buffer seat, outer sleeve and large bush in sequence, and the large bush is connected with the front fulcrum of the lower swing arm.

A steering gear is also arranged at the front part of the sub-frame, and the two ends of the steering gear are respectively connected with corresponding steering knuckles through steering tie rods.

The front part of the mouth-shaped sub-frame is provided with a rear suspension connection seat, and the rear suspension assembly is connected to the rear suspension connection seat. The rear suspension assembly includes rear suspension bolts connected vertically to the rear suspension connection seat , an outer casing is arranged, rubber spokes are arranged inside the outer casing, the rubber spokes are connected to the inner casing, the inner casing is connected to the rear suspension bolts, a connecting rod is arranged on the outer casing, and the end of the connecting rod is connected to the suspension.

The beneficial effects of the utility model are:

The sub-frame adopts a mouth-shaped structure, and the open part in the middle leaves enough space for arranging powertrains with various configurations, which makes the arrangement of other components of the vehicle more convenient and reduces the possibility of dynamic interference of parts; there is a suspension Support the powertrain, reduce the impact of the vibration of the powertrain on the vehicle, limit the vibration of the powertrain, and improve the NVH performance of the vehicle. The connecting rod increases the roll stiffness of the whole vehicle, reduces the body roll caused by the vehicle's cornering or uneven road surface, and increases stability and comfort; and the suspension has high versatility, and is also used in mid-to-high-end cars and SUVs .

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Description of drawings:

Fig. 1 is a perspective view of the utility model, wherein the shock absorber is omitted;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is a perspective view of the utility model, in which parts such as the steering knuckle, the wheel hub assembly and the stabilizer bar assembly are omitted;

Fig. 4 is A-A sectional view of Fig. 1;

Fig. 5 is the B-B sectional view of Fig. 3;

Fig. 6 is a C-C sectional view of Fig. 3 .

Detailed ways

As shown in Figures 1, 2 and 3, the front suspension assembly of a mouth-shaped sub-frame provided by the utility model includes a mouth-shaped sub-frame 1, and the two sides of the mouth-shaped sub-frame are respectively connected to the lower swing arm 2, A steering knuckle and wheel hub assembly 3 are respectively connected on each lower swing arm, a shock absorber 11 is installed on each steering knuckle, and a coil spring 12 is installed on the upper end of each shock absorber. The front part of the subframe is provided with a stabilizer bar assembly 8, and the two ends of the stabilizer bar assembly 8 are respectively connected with a connecting rod 9, and the other end of each connecting rod 9 is connected with the corresponding shock absorber respectively. The middle part of the connecting rod is connected to the sub-frame through wear-resistant rubber parts, stamping parts, and bolt fastening. The lateral stabilizer bar is mainly to increase the roll angle stiffness of the suspension to prevent the car from laterally tipping over and improve the ride comfort and stability of the vehicle. sex. The front part of the subframe is also provided with a steering gear 5, the middle part of the steering gear 5 is connected to the subframe through rubber parts, stamping parts, and bolt fastening, and the spline part of the steering gear is connected to the steering input shaft of the whole vehicle.

Both sides of the mouth-shaped auxiliary frame 1 are respectively connected with a horizontal support 13 and a vertical support 14, and the horizontal support 13 and the vertical support 14 are correspondingly connected with the rear fulcrum and the front fulcrum of the lower swing arm 2.

As shown in Figure 5, a vertical bolt 2c is connected to the vertical support 14, and the matched inner casing 2d, rubber buffer seat 2b, outer casing 2e, large bushing 2a, and large bushing 2a are sequentially connected to the vertical bolt 2c. It is connected with the 2 front fulcrums of the lower swing arm.

As shown in Figure 6, the horizontal bracket 13 is connected with a horizontal bolt 13d, and the horizontal bolt is connected with a bushing 13c. The bushing 13c is provided with a sleeve 13e and a vibration isolation sleeve 13b in turn, and the vibration isolation sleeve 13b is connected with a sleeve 13a outside. The sleeve 13a is connected with the rear fulcrum of the lower swing arm 2 . The sub-frame and the body are flexibly connected in series through bushings and vibration-isolation sleeves, and elastic conical gaskets are installed on the rear-end bolts to ensure the pre-tightening force, thereby enhancing the vibration-isolation and noise-reducing function of the sub-frame, and indirectly Improve the handling stability of the vehicle.

As shown in Fig. 1 and Fig. 2, a steering gear 5 is also provided at the front part of the sub-frame, and the two ends of the steering gear 5 are respectively connected to corresponding steering knuckles through steering rods 4.

As shown in Figures 1 and 4, the front part of the mouth-shaped sub-frame is provided with a rear suspension connection seat 7, and the rear suspension connection seat 7 is connected with a rear suspension assembly, which includes a The rear suspension bolt 6d vertically arranged in the connecting seat 7 is arranged, and an outer sleeve 6b is arranged, and the rubber spoke 6f is arranged inside the outer sleeve 6b, and the rubber spoke 6f is connected with the inner sleeve 6e, and the inner sleeve 6e is connected with the rear suspension bolt 6d , the outer casing 6b is provided with a connecting rod 6a, the end of the connecting rod 6a is connected to the suspension 6, and one end of the rear suspension is connected to the sub-frame through bolts. The other end is connected to the engine, so that the engine and the sub-frame are elastically supported, reducing the vibration and noise of the engine from being transmitted to the vehicle, and improving the NVH of the vehicle.

Claims (4)

1. the front suspension assembly of a shape of the mouth as one speaks subframe, comprise shape of the mouth as one speaks subframe (1), shape of the mouth as one speaks subframe (1) both sides connect respectively lower swing arm (2), on each lower swing arm, connect respectively a steering swivel and Hub assembly (3), a bumper (11) is installed on each steering swivel, a coil spring (12) is installed in each bumper upper end, subframe front portion is provided with Panhard rod assembly (8), the two ends of Panhard rod assembly (8) connect respectively a pipe link (9), the other end of each pipe link (9) is connected with corresponding bumper respectively, it is characterized in that: shape of the mouth as one speaks subframe (1) both sides are connected with respectively horizontal stand (13) and vertical support frame (14), horizontal stand (13) and vertical support frame (14) are respectively with the rear fulcrum of lower swing arm (2) and front fulcrum is corresponding is connected.

2. the front suspension assembly of a kind of shape of the mouth as one speaks subframe according to claim 1, is characterized in that:

The upper leveling screw (13d) that connects of described horizontal stand (13), connecting bushing on leveling screw (13c), lining (13c) is provided with sleeve pipe (13e) and vibration isolation cover (13b) successively, vibration isolation cover (13b) outside coupling bush (13a), sleeve (13a) is connected with lower swing arm (2) rear fulcrum;

The upper vertical bolt (2c) that connects of described vertical support frame (14), in vertical bolt (2c), connect successively inner sleeve (2d), rubber buffer seat (2b), outer tube (2e) and the Large lining (2a) matching, Large lining (2a) is connected with lower swing arm (2) front fulcrum.

3. the front suspension assembly of a kind of shape of the mouth as one speaks subframe according to claim 1, is characterized in that: subframe front portion is also provided with a deflector (5), and the two ends of deflector (5) are connected with corresponding steering swivel by steering track rod (4) respectively.

4. the front suspension assembly of a kind of shape of the mouth as one speaks subframe according to claim 1, it is characterized in that: shape of the mouth as one speaks subframe front portion is provided with rear-suspending Connection Block (7), rear-suspending Connection Block is connected with rear-suspending assembly in (7), rear-suspending assembly comprises and is connected in vertically disposed rear-suspending bolt (6d) in rear-suspending Connection Block (7), an outer tube (6b) is set, in outer tube (6b), establish rubber spoke (6f), rubber spoke (6f) is connected with inner sleeve (6e), inner sleeve (6e) is connected with rear-suspending bolt (6d), outer tube (6b) is provided with connecting rod (6a), the end of connecting rod (6a) connects suspend (6).