KR19990024369A - Semi-trailer arm bracket with rigid reinforcement - Google Patents

Abstract

The present invention relates to a semi-trailing arm bracket of rigid reinforcement structure, which is divided into two operations, each end of which is connected to at least one of the upper and lower portions of the bracket fixed by welding to one side of the side rail and the cross member. By connecting two pieces of brackets together, the torsional rigidity of the bracket against the left and right vibrations of the semi-trailing arm is increased to effectively absorb and disperse the impact from the wheels, as well as to enhance the vibration characteristics. To provide a semi trailing arm bracket of the purpose.

To this end, the present invention is a semi-trailing arm bracket in which one end of each piece is connected to one side of the side rail and the cross member of the subframe, and one end of the semi-trailing arm is fastened and supported between both ends. The connecting piece is connected to at least one of the upper and lower portions so that the bracket of the to increase the rigidity of the bracket to improve the vibration characteristics.

Description

Semi-trailing arm bracket with rigid reinforcement

The present invention relates to a semi-trailing arm bracket of a vehicle suspension, in particular, welded to one side of the side rail and the cross member of the rear frame to improve the semi-trailing arm bracket for fixing one end of the semi-trailing arm to improve rigidity The present invention relates to a semi-trailing arm bracket having a rigid reinforcement structure to increase vibration characteristics by increasing.

In general, the suspension device is used to reduce the shock or vibration received from the road surface of the car to improve the riding comfort and stability of the car. The shock absorber which improves the riding comfort by controlling the natural vibration of the chassis spring and the chassis spring. It consists of a stabilizer to prevent rolling of the car.

The suspension system uses various types of axles or suspensions depending on the type of wheel drive and the spring system.

Rigid Axle is mainly used as Rear Axle in passenger cars. This is because when the integrated axle is used as the front axle of the passenger car, a relatively large installation space is required under the engine.

Larger vehicles, such as freight cars, have a relatively high installation height compared to passenger cars, and at the same time, load-bearing capacity is considered first. Therefore, an integrated axle with a large load bearing capacity is used for both front and rear axles.

Independent suspensions are suitable as front wheel suspensions, but they are often used as rear wheel suspensions, especially rear axle suspensions for passenger cars due to the advantages that the installation space may be small, the weight is light, and the left and right wheels are independent of each other.

Meanwhile, the semi-trailing arm is used in a semi-trailing arm independent suspension device and is widely used in the rear axle suspension device of a passenger car. Semi-trailing female suspension is a type in which a swing arm attached to the vehicle body (swing shaft) is inclined about the axle shaft. At this time, the smaller the angle of attachment, the closer the full trailing female type, and the larger the angle, the closer the swing axle. In some cases, auxiliary links are installed to adjust the suspension's movement with respect to lateral and front and back forces.

1 is a perspective view showing the installation of a semi trailing arm mount bracket of a conventional rear suspension device.

As shown in FIG. 1, the conventional semi trailing arm 10 is a triangular arm installed at the rear subframe 20, and two of the three stages have one axle (not shown) and one end of the side rail 22. Bushing 40 which is connected to and supported by the other end of the semi trailing arm 10 and absorbs vibrations to the bracket 30 welded to one side of the side rail 22 and the cross member 24; Fastened together and supported.

Figure 2 is a perspective view showing only a conventional semi trailing arm mount bracket.

As shown in FIG. 2, the bracket 30 is divided into two pieces, each of which is welded to the side rail 22 and the cross member 24 one by one, with the bushing 40 therebetween and a semi-trail. It is coupled to one end of the ring arm 10 and supported on the bracket 30.

In this way, the semi trailing arm 10 supported by the magnetic shaft, the side rails 22 and the cross member 24 absorbs and distributes vibrations transmitted from the wheels to mitigate the impact.

However, as described above, since the bracket for fixing the end of the semi trailing arm is divided into two pieces, the torsion occurs during the lateral vibration of the semi trailing arm, and since there is no resistance, the shock of the wheel shaft is effectively absorbed and dispersed. Unable problem occurs.

Therefore, there is a problem that the vibration is generated when turning the car is directly transmitted to the passengers, as well as damage to the welded or vulnerable parts due to the twisting of the bracket.

The present invention has been made to solve the above problems, divided into two operations, each end is coupled to at least one portion of the upper and lower parts of the bracket fixed by welding one side of the side rail and the cross member, By connecting the two pieces of brackets, the torsional rigidity of the brackets against the left and right vibrations of the semi-trailing arm can be increased to effectively absorb and disperse the impact from the wheels, as well as to improve the vibration characteristics. The purpose is to provide a trailing arm bracket.

The present invention is configured as follows to achieve the above object. That is, in the semi trailing arm bracket, one end of each piece is connected to the side rail of the subframe and one side of the cross member, and the one end of the semi trailing arm is fastened and supported between the other ends, wherein each bracket is The connecting piece is connected to at least one of the upper and lower parts so that the rigidity of the bracket is increased.

Figure 1 is a perspective view showing the installation of the semi trailing arm mount bracket of the conventional rear suspension device.

Figure 2 is a perspective view of the conventional semi trailing arm mount bracket only.

Figure 3 is a perspective view showing the installation of the semi trailing arm mount bracket of the rear suspension device according to the present invention.

Figure 4 is a perspective view of only the semi trailing arm mount bracket according to the present invention.

Explanation of symbols for main parts of drawings

10.Semi trailing arm bracket 20. Subframe

22.Side rails Cross member

30. Bracket 40. bushing

120. Connections

Hereinafter, with reference to the accompanying drawings will be described in detail a semi trailing arm bracket of a rigid reinforcement structure according to a preferred embodiment of the present invention.

Figure 3 is a perspective view showing the installation of the semi trailing arm mount bracket of the rear suspension device according to the present invention, Figure 4 is a perspective view showing only the semi trailing arm mount bracket according to the present invention.

3 and 4, one end of each piece is connected to one side of the side rail 22 and the cross member 24 of the subframe 20, and a semi trailing arm between the other ends. In the semi-trailing arm bracket (100) to which one end of the (10) is fastened and supported, a connecting piece (120) connected to at least one of the upper and lower portions is provided to connect the respective brackets (100). .

That is, by connecting the connection piece 120 connecting the two brackets 30 to the upper or lower and upper and lower ends of the bracket 30 divided into two pieces as in the prior art of FIG. The bracket 100 will be made.

Meanwhile, the connecting piece 120 may be connected to the upper end of each bracket 100, and the connecting piece 120 may be connected to the lower end of each bracket 100. There is no difference in rigidity even if the connecting piece is fixed to one of the upper and lower ends of the bracket 100.

On the other hand, the connecting piece 120 may be connected to both sides of the upper and lower ends of each bracket 100, the rigidity is increased than when connected to any one of the upper and lower ends.

The present invention configured as described above has a greater resistance to lateral torsion than before, thus improving vibration characteristics, and as a result, vibrations are relatively less likely to occur when the vehicle is turning. It is possible to provide a comfortable ride.

The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the technical idea of the present invention.

As described above, according to the present invention, there is an effect of improving the vibration characteristics by installing a connection piece on at least one end of the upper and lower ends of the bracket.

Therefore, the resistance to the torsion in the transverse direction is increased, thereby reducing the occurrence of vibration during the turning of the vehicle has the effect of providing a comfortable and comfortable ride comfort to the occupants.

In addition, since the rigidity is increased, there is an effect of preventing the breakage of the bracket by the vibration of the vehicle.

Claims (4)

One end of each piece is connected to one side of the side rail 22 and the cross member 24 of the sub-frame 20, the semi-trail so that one end of the semi trailing arm 10 is fastened and supported between the other ends. In the ring arm bracket 100, The semi-trailing arm bracket of the rigid reinforcement structure characterized in that it comprises a connecting piece 120 connected to at least one of the upper and lower portions so that each bracket 100 is connected. The semi-trailing arm bracket of claim 1, wherein the connecting piece (120) is connected to an upper portion of each bracket (100). The semi-trailing arm bracket of claim 1, wherein the connecting piece (120) is connected to the lower portion of each bracket (100). The semi-trailing arm bracket of claim 1, wherein the connecting piece (120) is connected to the upper and lower portions of the respective brackets (100).