CN205344420U - Car rear damper connection structure - Google Patents

Abstract

The utility model discloses a car rear damper connection structure, aiming at providing one kind, to support shock resistance good, can effectively improve the car rear damper connection structure of rear damper installation region stress concentration and the problem that anti impact force in the twinkling of an eye is not enough. It includes the wheel casing body, and longeron and bumper shock absorber mounting panel link to each other through the welding between bumper shock absorber mounting panel and the wheel casing body, the bumper shock absorber mounting panel includes the last bumper shock absorber mounting panel that is located the longeron top and connects the bumper shock absorber connecting plate of going up bumper shock absorber mounting panel and longeron that car rear damper's upper end is connected with last bumper shock absorber mounting panel.

Description

Connecting structure of automobile rear shock absorber

technical field

The utility model relates to a connection structure of a shock absorber, in particular to a connection structure of an automobile rear shock absorber.

Background technique

At present, the rear shock absorber connection structure of passenger cars includes a shock absorber mounting plate, and the shock absorber mounting plate is usually directly welded to the local area of the rear wheel cover. vibrator mounting plate. The current connection structure of the rear shock absorber of this rear car is in the running of the car, especially when the road conditions are poor. The shock absorber mounting plate is directly transmitted to the wheel cover; this makes the wheel cover area subjected to a large force for a long time, especially the impact force at the moment of a large pit, which is likely to cause cracking and failure of the wheel cover and mounting plate sheet metal, which seriously threatens driving safety. At present, the industry’s methods to solve the stress concentration in the rear shock absorber area and the lack of instantaneous impact resistance usually adopt measures such as improving and improving the material properties of the shock absorber mounting plate, increasing material thickness, stamping and welding, etc. to improve stress concentration and impact resistance. , these current improvement methods are not only costly, but also poor in effect.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art and provide a car rear shock absorber connection with good impact resistance, which can effectively improve the stress concentration in the installation area of the rear shock absorber and the lack of instantaneous impact resistance. structure.

The technical scheme of the utility model is:

A car rear shock absorber connection structure, including a wheel cover body and a longitudinal beam, and a shock absorber mounting plate, and the shock absorber mounting plate and the wheel cover body are connected by welding, and the shock absorber mounting plate includes The upper shock absorber mounting plate located above the longitudinal beam and the shock absorber connecting plate connecting the upper shock absorber mounting plate and the longitudinal beam, the upper end of the automobile rear shock absorber is connected with the upper shock absorber mounting plate.

This scheme connects the upper shock absorber mounting plate and the longitudinal beam through the shock absorber connecting plate, so that the impact force of the rear shock absorber of the car will be directly transmitted to the longitudinal beam through the shock absorber connecting plate without going through the wheel cover, effectively reducing The impact on the small wheel cover; more importantly, the impact force of the shock absorber is directly transmitted to the longitudinal beam, so as to avoid the problem of concentrated force and large force on the mounting plate of the shock absorber for a long time, and effectively improve the connection of the shock absorber. The impact resistance of the structure can effectively improve the stress concentration in the installation area of the rear shock absorber and the lack of instantaneous impact resistance, ensuring the safe driving of the car.

Preferably, it also includes a shock absorber installation reinforcement plate, the shock absorber installation reinforcement plate is located above the upper shock absorber installation plate, and the shock absorber installation reinforcement plate and the upper shock absorber installation plate are connected by welding. The shock absorber installation reinforcing plate of this solution can further improve the strength of the connection structure of the shock absorber and ensure the reliability of the connection structure of the shock absorber.

As a preference, a projection welding nut and a projection welding bolt for connecting the rear shock absorber of the automobile are provided on the upper surface of the shock absorber installation reinforcing plate; The upper escape hole corresponding to the projection welding nut, the upper shock absorber mounting plate is provided with the lower avoidance through hole corresponding to the upper avoidance through hole; the shock absorber mounting reinforcement plate is provided with a corresponding projection welding bolt The upper avoidance through hole, the upper shock absorber mounting plate is provided with the lower avoidance through hole corresponding to the upper avoidance through hole, and the screw rod of the projection welding bolt passes through the upper avoidance through hole and the lower avoidance through hole.

The structure of this scheme is based on the projection welding bolts when the rear shock absorber of the automobile is assembled from bottom to top. The projection welding bolts have dual functions of positioning and fixing, and the projection welding nuts play a fixing role.

Preferably, the wheel cover body is provided with an avoidance gap corresponding to the shock absorber mounting plate, and the shock absorber mounting plate covers the avoidance gap, and the upper shock absorber mounting plate is connected to the wheel cover body by welding , the shock absorber connecting plate is connected to the wheel housing body by welding. The avoidance notch of this solution can not only reduce the weight of the wheel cover, but also further reduce the impact on the wheel cover.

Preferably, a reinforcing rib is provided on the shock absorber connecting plate, the upper end of the reinforcing rib extends to the upper shock absorber mounting plate, and the lower end of the reinforcing rib extends to the longitudinal beam. The structure of this solution can further improve the structural strength of the shock absorber connecting plate, and the reinforced ribs connect the upper shock absorber mounting plate and the longitudinal beam, which can further facilitate the transmission of impact force.

Preferably, the number of reinforcing ribs is two, and the two reinforcing ribs are arranged side by side. The structure of this solution can further improve the structural strength of the shock absorber connecting plate.

Preferably, the upper shock absorber mounting plate and the shock absorber connecting plate are integrally formed. The structure of the proposal can further improve the structural strength of the shock absorber mounting plate.

Preferably, the shock absorber mounting plate is in an inverted L shape.

Preferably, the connection plate of the shock absorber is connected to the longitudinal beam through welding.

The beneficial effect of the utility model is: it has the characteristics of good impact resistance and can effectively improve the problems of stress concentration in the installation area of the rear shock absorber and insufficient instantaneous impact resistance.

Description of drawings

Fig. 1 is a kind of structural diagram of the automobile rear shock absorber connection structure of the present utility model.

Fig. 2 is a bottom view of Fig. 1 .

Fig. 3 is a schematic cross-sectional structure diagram of the projection welding nut of the automobile rear shock absorber connection structure of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of the projection welding bolts of the automobile rear shock absorber connection structure of the present invention.

In the figure: wheel cover body 1, longitudinal beam 2, shock absorber mounting plate 3, upper shock absorber mounting plate 31, shock absorber connecting plate 32, reinforcing rib 4, shock absorber mounting reinforcing plate 5, projection welding bolts 6. Projection welding nut 7, automobile rear shock absorber 8.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

As shown in Fig. 1 and Fig. 3, an automobile rear shock absorber connection structure includes a wheel cover body 1, a longitudinal beam 2, a shock absorber mounting plate 3 and a shock absorber mounting reinforcement plate 5. The shock absorber mounting plate includes an upper shock absorber mounting plate 31 located above the longitudinal beam and a shock absorber connecting plate 32 connecting the upper shock absorber mounting plate and the longitudinal beam. The upper shock absorber mounting plate and the shock absorber connecting plate are integrally formed. The vibrator mounting plate is in an inverted L shape. The shock absorber connecting plate and the longitudinal beam are connected by welding.

The wheel cover body is provided with an avoidance gap corresponding to the shock absorber mounting plate, and the shock absorber mounting plate blocks the avoidance gap. The shock absorber mounting plate is connected to the wheel house body by welding, specifically, the upper shock absorber mounting plate is connected to the wheel house body by welding, and the shock absorber connecting plate is connected to the wheel house body by welding. The connecting plate of the shock absorber is provided with reinforcing ribs 4 . The upper end of the reinforcing rib extends to the mounting plate of the upper shock absorber, and the lower end of the reinforcing rib extends to the longitudinal beam. There are two reinforcing ribs, and the two reinforcing ribs are arranged side by side.

The shock absorber mounting reinforcing plate is located above the upper shock absorber mounting plate, and the shock absorber mounting reinforcing plate and the upper shock absorber mounting plate are connected by welding.

As shown in Fig. 2, Fig. 3 and Fig. 4, a projection welding nut 7 for connecting the rear shock absorber of the automobile and a projection welding nut 7 for connecting the rear shock absorber of the automobile are arranged on the upper surface of the shock absorber installation reinforcement plate. Bolt 6. The shock absorber mounting reinforcement plate is provided with an upper avoidance through hole corresponding to the projection welding nut, and the upper shock absorber mounting plate is provided with a lower avoidance through hole corresponding to the upper avoidance through hole. The shock absorber mounting reinforcement plate is provided with an upper escape hole corresponding to the projection welding bolt, and the upper shock absorber mounting plate is provided with a lower escape hole corresponding to the upper escape hole, and the screw rod of the projection welding bolt passes through Upper avoidance through hole and lower avoidance through hole.

The upper end of the rear shock absorber 8 of the automobile is connected with the upper shock absorber mounting plate, and the specific installation structure is as follows: the projection welding bolt cooperates with a locking nut to connect the rear shock absorber of the automobile, and the projection welding nut cooperates with a locking bolt to connect the automobile rear shock absorber. rear shock absorber.

Claims (9)

1. an automobile rear damper attachment structure, including wheel cover body (1) and longeron (2), it is characterized in that, also include shock absorber mounting board (3), and by being weldingly connected between shock absorber mounting board and wheel cover body, described shock absorber mounting board includes the upper shock absorber mounting board (31) being positioned at above longeron and the amortisseur connecting plate (32) connecting upper shock absorber mounting board and longeron, and the upper end of automobile rear damper is connected with upper shock absorber mounting board.

2. a kind of automobile rear damper attachment structure according to claim 1, it is characterized in that, also including amortisseur and install reinforcement plate (5), described amortisseur is installed reinforcement plate and is positioned at the top of shock absorber mounting board, and amortisseur is installed and strengthened passing through between plate and upper shock absorber mounting board to be weldingly connected.

3. a kind of automobile rear damper attachment structure according to claim 2, it is characterized in that, described amortisseur is installed and is strengthened a project-welding nut being provided with for connecting automobile rear damper (7) and a projection welding bolt (6) being used for connecting automobile rear damper on plate upper surface；Amortisseur install strengthen plate be provided with corresponding with project-welding nut on dodge through hole, upper shock absorber mounting board be provided with corresponding with above dodging through hole under dodge through hole；Amortisseur install strengthen plate be provided with corresponding with projection welding bolt on dodge through hole, upper shock absorber mounting board be provided with corresponding with above dodging through hole under dodge through hole, the screw rod of projection welding bolt through on dodge through hole and under dodge through hole.

4. a kind of automobile rear damper attachment structure according to claim 1 or 2 or 3, it is characterized in that, described cover body of taking turns is provided with and corresponding with shock absorber mounting board dodges breach, and shock absorber mounting board envelope hides this and dodges breach, by being weldingly connected between described upper shock absorber mounting board and wheel cover body, by being weldingly connected between described amortisseur connecting plate and wheel cover body.

5. a kind of automobile rear damper attachment structure according to claim 1 or 2 or 3, is characterized in that, described amortisseur connecting plate is provided with reinforcement convex tendon (4), and the upper end of this reinforcement convex tendon extends to shock absorber mounting board, and the lower end strengthening convex tendon extends to longeron.

6. a kind of automobile rear damper attachment structure according to claim 5, is characterized in that, the quantity of described reinforcement convex tendon is two, and two are strengthened convex tendon and are arranged side by side.

7. a kind of automobile rear damper attachment structure according to claim 1 or 2 or 3, is characterized in that, described upper shock absorber mounting board and amortisseur connecting plate are formed in one structure.

8. a kind of automobile rear damper attachment structure according to claim 1 or 2 or 3, is characterized in that, described shock absorber mounting board is inverted L-shaped.

9. a kind of automobile rear damper attachment structure according to claim 1 or 2 or 3, is characterized in that, by being weldingly connected between described amortisseur connecting plate and longeron.