CN209336839U - Body rear wall and automobile including it - Google Patents

Abstract

The utility model discloses a rear wall of a vehicle body and an automobile including the same. The rear wall of the vehicle body comprises: a rear wall assembly, which includes a rear wall outer panel and a rear wall connecting plate, a rear wall outer panel and a rear reinforcement plate of a rear pillar Lap connection of the lower section plate, the rear wall connecting plate covers the connection between the lower section plate of the rear reinforcement plate of the rear pillar and the rear connecting plate of the rear wheel house, the outer panel of the rear wall, the connecting plate of the rear wall and the lower section plate of the rear reinforcement plate of the rear pillar Enclosed to form the first cavity; the side wall outer panel, which includes the bottom surface, the side surface and the side end surface; the bottom surface and the rear floor side panel are respectively connected to the opposite sides of the rear connection plate of the rear wheel house, and the side surface and the rear reinforcement plate of the rear pillar The lower plate and the rear connecting plate of the rear wheel house are arranged oppositely, and the side end faces are connected with the lower plate of the rear reinforcement plate of the rear pillar; cavity. The utility model provides a rear wall of a vehicle body and an automobile including the same, which improves the torsional rigidity of the rear wall assembly and improves the competitiveness of the whole vehicle.

Description

Body rear wall and automobile including same

technical field

The utility model relates to automobile parts, in particular to a rear wall of a vehicle body and an automobile comprising the same.

Background technique

The rear wall of the body includes a rear wall assembly and a side wall assembly. When the car body is assembled and welded, the rear wall assembly and the side wall assembly are connected by welding.

In the existing models, the rear wall assembly includes the rear wall outer panel and the rear wall connection plate, the rear wall outer panel and the rear wall connection plate are arranged oppositely, and the two ends of the two are respectively welded and connected; the side wall assembly Including the side panel, the side panel assembly is welded to one end of the rear panel assembly through the side panel. The three-layer welding joints are formed in the area, and this structure will lead to poor torsional rigidity at the rear of the body and relatively low resistance to deformation, which may affect the stability, safety and comfort of the vehicle.

Therefore, there is a need for a rear wall of a vehicle body and an automobile including the same to solve the above problems.

Utility model content

In view of this, the purpose of the utility model is to provide a rear wall of the vehicle body and the automobile including it, improve the torsional rigidity of the rear wall assembly, and then improve the stability, safety and comfort of the whole vehicle, and improve the competitiveness of the whole vehicle. force.

Based on the above purpose, the utility model provides a rear wall of a vehicle body, comprising:

The rear wall assembly, the rear wall assembly includes a rear wall outer panel and a rear wall connection plate covered on the rear wall outer panel, and the rear wall outer panel faces away from the rear wall connection plate The side surface is lapped and connected with the lower section of the rear reinforcement panel of the rear pillar, and the side of the rear wall connecting panel facing the lower section of the rear reinforcement panel of the rear pillar covers the lower section of the rear reinforcement panel of the rear pillar and the rear wheel housing At the junction of the two rear connecting plates, the rear wall outer panel, the rear wall connecting plate and the lower section of the rear reinforcement plate of the rear pillar are enclosed to form a first cavity;

The side wall outer panel, the side wall outer panel includes a bottom surface, a side surface extending from one side edge of the bottom surface, and a side end surface extending from one side end surface of the bottom surface and integrally formed with the side surface; The bottom surface and the side panel of the rear floor are respectively connected to the opposite sides of the rear connection plate of the rear wheel house. It is connected with the lower section of the rear reinforcement plate of the rear pillar and the side surface of the rear wall outer panel; the side wall outer panel, the lower section of the rear reinforcement plate of the rear pillar and the rear connection plate of the rear wheel house Enclosed to form a second cavity.

The first cavity and the second cavity provide torsional rigidity for the rear wall of the vehicle body; at the same time, the rear wall outer panel, the side wall outer panel, and the lower section of the rear reinforcement plate of the rear pillar form multi-layer welding, and the rear wall connection plate, rear wall panel The lower plate of the reinforcement plate at the rear of the rear pillar of the assembly and the rear connecting plate of the rear wheel house form multi-layer welding, thereby improving the connection strength of the rear wall of the vehicle body. The use of the rear wall of the vehicle body can increase the torsional rigidity of the rear wall assembly, thereby improving the stability, safety and comfort of the vehicle, and improving the competitiveness of the vehicle.

Preferably, the edge of the lower section of the rear reinforcement plate of the rear pillar is provided with a first flange, the edge of the rear connection plate of the rear wheelhouse is provided with a second flange, and the edge of the rear wall connection plate is provided with a second flange. Three flanges, the third flange, the first flange and the second flange are stacked in sequence to form a three-layer welding area. By adding the first flange, the second flange and the third flange to form a three-layer welding area, the connection difficulty is reduced, the connection strength between the components is improved, and the structural strength of the device is improved.

Preferably, the first flange is connected to the second flange by spot welding, and the first flange is connected to the third flange by spot welding. The spot welding connection can shorten the welding time, increase the welding speed and save resources.

Preferably, the side end surface of the side wall outer panel, the lower section of the rear pillar reinforcement panel and the rear wall outer panel are stacked in sequence to form a three-layer welding area. By setting the three-layer welding area, the connection strength between the various components is improved, and the structural strength of the device is improved.

Preferably, the side end surface of the side wall outer panel is connected to the lower section of the rear pillar rear reinforcement panel by spot welding, and the lower section of the rear pillar rear reinforcement panel is connected to the rear wall outer panel by spot welding. The spot welding connection can shorten the welding time, increase the welding speed and save resources.

Preferably, the top of the rear wall connecting plate is welded to the lower section of the rear pillar inner panel, and the bottom of the rear wall connecting plate and the bottom of the rear wheel house rear connecting plate are welded to the rear floor side plate . The structure is adopted to improve the integrity of the rear wall of the vehicle body, and improve the connection strength and stability of the rear wall of the vehicle body.

Preferably, a through hole is provided on the lower section of the rear reinforcement plate of the rear pillar, and the first cavity communicates with the second cavity through the through hole. The lower section of the rear reinforcement plate of the rear pillar divides the cavity formed by the rear wall assembly, the side wall outer panel and the rear connection plate of the rear wheel house into the first cavity and the second cavity. A through hole is provided on the lower plate, so that the first cavity communicates with the second cavity, further improving the torsional rigidity.

In addition, preferably, the bottoms of the lower section of the rear pillar reinforcement plate and the rear wheelhouse rear connection plate are at least partially provided with flanging, and the bottom surface of the side wall outer panel is abutted and connected to on the flange. By arranging the flange, the bottom surface of the side wall outer panel abuts against the flange, thereby improving the connection strength between the side wall outer panel and the lower section of the reinforcement plate at the rear of the rear pillar and the rear connecting plate of the rear wheel house.

The utility model also provides an automobile, which includes the rear wall of the vehicle body as described above. The car adopts the rear wall of the body above, and the first cavity and the second cavity provide torsional rigidity for the rear wall of the car body; at the same time, the rear wall outer panel, the side wall outer panel, and the lower section of the rear reinforcement plate of the rear pillar form multi-layer welding, and the rear wall The surrounding connecting plate, the lower section plate of the rear reinforcement plate of the rear pillar of the rear wall assembly and the rear connecting plate of the rear wheel house form multi-layer welding, thereby improving the connection strength of the rear wall of the vehicle body. The use of the rear wall of the vehicle body can increase the torsional rigidity of the rear wall assembly, thereby improving the stability, safety and comfort of the vehicle, and improving the competitiveness of the vehicle.

As can be seen from the above, the rear wall of the vehicle body provided by the utility model and the automobile including it have the following advantages compared with the prior art: the first cavity and the second cavity provide torsional rigidity for the rear wall of the vehicle body; At the same time, the rear wall outer panel, the side wall outer panel, and the lower section of the rear reinforcement plate of the rear pillar are welded in multiple layers, and the rear wall connection plate, the rear panel assembly, the lower section of the rear reinforcement panel of the rear pillar, and the rear connection plate of the rear wheel house Form multi-layer welding, thereby improving the connection strength of the rear wall of the body. The use of the rear wall of the vehicle body can increase the torsional rigidity of the rear wall assembly, thereby improving the stability, safety and comfort of the vehicle, and improving the competitiveness of the vehicle.

Description of drawings

The above-mentioned features and technical advantages of the present utility model will become clearer and easier to understand through the following description of its embodiments in conjunction with the accompanying drawings.

Fig. 1 is the schematic diagram of the rear wall of the vehicle body adopted in the specific embodiment of the utility model.

FIG. 2 is a schematic diagram of the rear wall of the vehicle body shown in FIG. 1 without the rear wall connecting plate.

Fig. 3 is an A-A sectional view of the rear wall of the vehicle body shown in Fig. 1 .

Fig. 4 is a schematic diagram of the three-layer welding area formed by the rear wall connecting plate of the rear wall of the vehicle body shown in Fig. 3, the lower section plate of the rear reinforcement plate of the rear pillar and the rear connecting plate of the rear wheel house.

FIG. 5 is a schematic diagram of the three-layer welding area formed by the rear wall outer panel of the rear wall of the vehicle body shown in FIG. 3 , the lower section plate of the rear reinforcement plate of the rear pillar, and the side wall outer panel.

Wherein reference signs:

1: Rear wall connecting plate; 11: Third flange; 2: Rear wall outer panel;

3: The lower section of the reinforcement plate at the rear of the rear pillar; 31: The first flange; 32: Through hole;

33: the fourth flange; 4: the lower section of the inner panel at the rear of the rear pillar; 5: the outer panel of the side wall;

51: bottom surface; 52: side surface; 53: side end surface; 6: rear connecting plate of rear wheel house;

61: second flange; 62: fifth flange; 7: rear floor side panel; 8: first cavity;

9: Second cavity.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward or away from, respectively, the geometric center of a particular component.

Fig. 1 is the schematic diagram of the rear wall of the vehicle body adopted in the specific embodiment of the utility model. FIG. 2 is a schematic diagram of the rear wall of the vehicle body shown in FIG. 1 without the rear wall connecting plate. Fig. 3 is an A-A sectional view of the rear wall of the vehicle body shown in Fig. 1 . As shown in FIGS. 1 to 3 , the rear wall of the vehicle body includes: a rear wall panel assembly and a side wall outer panel 5 .

The rear panel assembly includes the rear panel 2 and the rear panel 1 covered on the rear panel 2, the surface of the rear panel 2 facing away from the rear panel 1 and the reinforcement plate at the rear of the rear pillar The lower section plate 3 is lapped and connected, and the rear wall connecting plate 1 faces the side of the lower section plate 3 of the rear reinforcement plate of the rear pillar and covers the connection between the lower section plate 3 of the rear reinforcement plate of the rear pillar and the rear connection plate 6 of the rear wheel house. The outer panel 2, the rear wall connection panel 1 and the lower section panel 3 of the reinforcement panel at the rear of the rear pillar form the first cavity 8;

The side wall outer panel 5 includes a bottom surface 51, a side surface 52 extending from one side edge of the bottom surface 51, and a side end surface 53 (as shown in FIG. 4 ) extending from one side end surface of the bottom surface 51 and integrally formed with the side surface 52; 51 and the rear floor side plate 7 are respectively connected to the opposite sides of the rear wheelhouse rear connection plate 6, the side surface 52 is set opposite to the lower section plate 3 of the rear reinforcement plate of the rear pillar and the rear wheelhouse rear connection plate 6, and the side end surface 53 is connected to the rear wheelhouse rear connection plate 6. The lower panel 3 of the reinforcement plate at the rear of the pillar is connected to the surface of the side facing away from the outer panel 2 of the rear wall; the outer panel 5 of the side wall, the lower panel 3 of the reinforcement panel at the rear of the rear pillar, and the rear connecting plate 6 of the rear wheel house enclose the second cavity 9.

The first cavity 8 and the second cavity 9 provide torsional rigidity for the rear wall of the vehicle body; at the same time, the rear wall outer panel 2, the side wall outer panel 5, and the lower section plate 3 of the rear reinforcement plate of the rear pillar form multi-layer welding, and the rear wall is connected. Plate 1, the lower section plate 3 of the reinforcement plate at the rear of the rear pillar of the rear panel assembly and the rear connection plate 6 of the rear wheel house form multi-layer welding, thereby improving the connection strength of the rear wall of the vehicle body. The use of the rear wall of the vehicle body can increase the torsional rigidity of the rear wall assembly, thereby improving the stability, safety and comfort of the vehicle, and improving the competitiveness of the vehicle.

In this embodiment, the rear wall connecting panel 1 includes a first top surface and a first side surface extending from the inner edge of the first top surface, and the outer edge of the first top surface overlaps the rear wall outer panel 2 . The lower section plate 3 of the reinforcement plate at the rear of the rear pillar is an arc-shaped plate and has a smooth transition surface. Increase the strength of the rear wall outer panel 2 . The other end of the lower section plate 3 of the reinforcement plate at the rear of the rear pillar overlaps with the rear connecting plate 6 of the rear wheel house. There is a smooth transition between the side surface 52 and the side end surface 53 , and a smooth transition between the bottom surface 51 and the side surface 52 .

Fig. 4 is a schematic diagram of the three-layer welding area formed by the rear wall connecting plate of the rear wall of the vehicle body shown in Fig. 3, the lower section plate of the rear reinforcement plate of the rear pillar and the rear connecting plate of the rear wheel house. As shown in Figure 4, the three-layer welding area formed by the rear wall connecting plate 1, the lower section plate 3 of the rear reinforcement plate of the rear pillar and the rear connecting plate 6 of the rear wheel house.

Preferably, the edge of the lower section plate 3 of the reinforcement plate at the rear of the rear pillar is provided with a first flange 31, the edge of the rear connection plate 6 of the rear wheel house is provided with a second flange 61, and the edge of the rear wall connection plate 1 is provided with a third flange. The flanging 11 , the third flanging 11 , the first flanging 31 and the second flanging 61 are stacked in sequence to form a three-layer welding area. By adding the first flange 31, the second flange 61 and the third flange 11 to form a three-layer welding area, the connection difficulty is reduced, the connection strength between the components is improved, and the structural strength of the device is improved.

In this embodiment, the first flanging 31 is turned outward from the edge of the lower section plate 3 of the rear reinforcement plate of the rear pillar, the second flanging 61 is bent outward from the edge of the rear connecting plate 6 of the rear wheel house, and the third The flange 11 is formed by turning outwards from the edge of the first side and then bending downwards, the third flange 11 extends along the length direction of the first side; the width of the third flange 11 is from the top of the first top surface to the bottom The portion is in an increased state; and the third flange 11 is welded to the rear floor side plate.

Preferably, the first flange 31 is connected to the second flange 61 by spot welding, and the first flange 31 is connected to the third flange 11 by spot welding. The spot welding connection can shorten the welding time, increase the welding speed and save resources.

FIG. 5 is a schematic diagram of the three-layer welding area formed by the rear wall outer panel of the rear wall of the vehicle body shown in FIG. 3 , the lower section plate of the rear reinforcement plate of the rear pillar, and the side wall outer panel. As shown in FIG. 5 , the three-layer welding area formed by the rear wall outer panel 2 , the lower section plate 3 of the rear reinforcement plate of the rear pillar and the side wall outer panel 5 .

Preferably, the side end surface 53 of the side wall outer panel 5 , the rear pillar rear reinforcement panel lower section panel 3 and the rear wall outer panel 2 are stacked in sequence to form a three-layer welding area. By setting the three-layer welding area, the connection strength between the various components is improved, and the structural strength of the device is improved.

Preferably, the side end surface 53 of the side wall outer panel 5 is connected to the lower section of the rear reinforcement panel 3 by spot welding, and the lower section of the rear reinforcement panel 3 of the rear pillar is connected to the rear panel 2 by spot welding. The spot welding connection can shorten the welding time, increase the welding speed and save resources.

Preferably, the top of the rear wall connecting plate 1 is welded to the lower panel 4 of the rear pillar inner panel, and the bottom of the rear wall connecting plate 1 and the bottom of the rear wheel house rear connecting plate 6 are welded to the rear floor side plate 7 . The structure is adopted to improve the integrity of the rear wall of the vehicle body, and improve the connection strength and stability of the rear wall of the vehicle body.

Preferably, a through hole 32 is provided on the lower section of the reinforcement plate 3 at the rear of the rear pillar, and the first cavity 8 and the second cavity 9 communicate through the through hole 32 . The lower section plate 3 of the reinforcement plate at the rear of the rear pillar divides the cavity formed by the rear wall assembly, the side wall outer panel 5 and the rear wheelhouse rear connecting plate 6 into a first cavity 8 and a second cavity 9, and the rear wall A through hole 32 is opened on the lower section plate 3 of the reinforcing plate at the rear of the column, so that the first cavity 8 and the second cavity 9 are communicated to further improve the torsional rigidity.

In addition, preferably, the bottoms of the lower section plate 3 of the rear reinforcement panel of the rear pillar and the rear connecting plate 6 of the rear wheel house are at least partially provided with flanges, and the bottom surface of the side wall outer panel 5 is abutted and connected to the flanges. By setting the flange, the bottom surface 51 of the side wall outer panel 5 abuts against the flange, and the connection strength between the side wall outer panel 5 and the lower section plate 3 of the rear reinforcement plate of the rear pillar and the rear connecting plate 6 of the rear wheel house is improved.

In this embodiment, the lower panel 3 of the reinforcement plate at the rear of the rear pillar is at least partially provided with a fourth flange 33 , and the rear wheelhouse rear connecting plate 6 is at least partially provided with a fifth flange 62 .

The assembly and use process of the rear wall of the vehicle body will be further introduced below.

The rear wall connecting plate 1 is covered on the rear wall outer panel 2, the top of the rear wall connecting plate 1 is welded to the lower section plate 4 of the rear pillar inner panel, and the bottom of the rear wall connecting plate 1 is welded to the rear floor side plate 7; The outer end of the lower section plate 3 of the reinforcement plate at the rear of the column is welded to the outer panel 2 of the rear wall, the first flange 31 of the inner end of the lower section plate 3 of the rear reinforcement plate of the rear column, the third flange 11 of the rear wall connecting plate 1 and The second flanging 61 of the rear connecting plate 6 of the rear wheel house forms a three-layer welding area; the side end surface 53 is connected to the side surface of the lower section plate 3 of the rear reinforcement plate 3 of the rear pillar facing away from the rear wall outer panel 2, so that the side wall outer panel The side end surface 53 of the rear pillar 5, the lower section plate 3 of the rear reinforcement plate of the rear pillar, and the outer panel 2 of the rear wall form a three-layer welding area; the bottom surface 51 is connected with the fourth flange 33 and the fifth flange 62, and the rear wheel house is connected The bottom of the plate 6 is welded to the rear floor side plate 7 . So far, the rear wall outer panel 2, the rear wall connecting plate 1 and the lower section of the rear reinforcement panel 3 of the rear pillar are enclosed to form the first cavity 8, and the side panel 5, the lower section of the rear reinforcement panel 3 of the rear pillar and the rear wheel The rear connection plate 6 encloses and forms a second cavity 9 . The use of the rear wall of the vehicle body can increase the torsional rigidity of the rear wall assembly, thereby improving the stability, safety and comfort of the vehicle, and improving the competitiveness of the vehicle.

The utility model also provides an automobile, which includes the rear wall of the vehicle body as described above. The car adopts the rear wall of the body above, and the first cavity and the second cavity provide torsional rigidity for the rear wall of the car body; at the same time, the rear wall outer panel, the side wall outer panel, and the lower section of the rear reinforcement plate of the rear pillar form multi-layer welding, and the rear wall The surrounding connecting plate, the lower section plate of the rear reinforcement plate of the rear pillar of the rear wall assembly and the rear connecting plate of the rear wheel house form multi-layer welding, thereby improving the connection strength of the rear wall of the vehicle body. The use of the rear wall of the vehicle body can increase the torsional rigidity of the rear wall assembly, thereby improving the stability, safety and comfort of the vehicle, and improving the competitiveness of the vehicle.

From the above description and practice, it can be known that the rear wall of the vehicle body provided by the utility model and the automobile including it have the following advantages compared with the prior art: the first cavity and the second cavity provide torsional rigidity for the rear wall of the vehicle body; At the same time, the rear wall outer panel, the side wall outer panel, and the lower section of the rear reinforcement plate of the rear pillar are welded in multiple layers, and the rear wall connection plate, the rear panel assembly, the lower section of the rear reinforcement panel of the rear pillar, and the rear connection plate of the rear wheel house Form multi-layer welding, thereby improving the connection strength of the rear wall of the body. The use of the rear wall of the vehicle body can increase the torsional rigidity of the rear wall assembly, thereby improving the stability, safety and comfort of the vehicle, and improving the competitiveness of the vehicle.

Those of ordinary skill in the art should understand that: the above descriptions are only specific embodiments of the utility model, and are not intended to limit the utility model. Any modifications, equivalent replacements, Improvements and the like should all be included within the protection scope of the present utility model.

Claims (9)

1. A vehicle body rear wall, characterized in that it comprises: The rear wall assembly, the rear wall assembly includes a rear wall outer panel and a rear wall connecting plate covered on the rear wall outer panel, and the rear wall outer panel faces away from the rear wall connecting plate The side surface is lapped and connected with the lower section of the rear reinforcement panel of the rear pillar, and the side of the rear wall connecting panel facing the lower section of the rear reinforcement panel of the rear pillar covers the lower section of the rear reinforcement panel of the rear pillar and the rear wheel housing At the junction of the two rear connecting plates, the rear wall outer panel, the rear wall connecting plate and the lower section of the rear reinforcement plate of the rear pillar are enclosed to form a first cavity; The side wall outer panel, the side wall outer panel includes a bottom surface, a side surface extending from one side edge of the bottom surface, and a side end surface extending from one side end surface of the bottom surface and integrally formed with the side surface; The bottom surface and the side panel of the rear floor are respectively connected to the opposite sides of the rear connection plate of the rear wheel house. It is connected with the lower section of the rear reinforcement plate of the rear pillar and the side surface of the rear wall outer panel; the side wall outer panel, the lower section of the rear reinforcement panel of the rear pillar and the rear connection plate of the rear wheel house Enclosed to form a second cavity. 2. The rear wall of the vehicle body according to claim 1, characterized in that, The edge of the lower section of the reinforcement plate at the rear of the rear pillar is provided with a first flanging, the edge of the rear wheelhouse rear connecting plate is provided with a second flanging, and the edge of the rear wall connecting plate is provided with a third flanging , the third flanging, the first flanging and the second flanging are stacked in sequence to form a three-layer welding area. 3. The rear wall of the vehicle body according to claim 2, characterized in that, The first flange is connected to the second flange by spot welding, and the first flange is connected to the third flange by spot welding. 4. The vehicle body rear wall according to any one of claims 1 to 3, characterized in that, The side end surface of the side wall outer panel, the lower section plate of the rear reinforcement plate of the rear pillar and the rear wall outer panel are stacked in sequence to form a three-layer welding area. 5. The rear wall of the vehicle body according to claim 4, characterized in that, The side end surface of the side wall outer panel is connected to the lower section of the rear reinforcement plate of the rear pillar by spot welding, and the lower section of the rear reinforcement panel of the rear pillar is connected to the outer panel of the rear wall by spot welding. 6. The vehicle body rear wall according to any one of claims 1 to 3, characterized in that, The top of the rear wall connection plate is welded to the lower section of the rear pillar inner panel, and the bottom of the rear wall connection plate and the bottom of the rear wheel house rear connection plate are welded to the rear floor side plate. 7. The vehicle body rear wall according to any one of claims 1 to 3, characterized in that, A through hole is arranged on the lower section of the reinforcement plate at the rear of the rear pillar, and the first cavity and the second cavity are communicated through the through hole. 8. The vehicle body rear wall according to any one of claims 1 to 3, characterized in that, The bottoms of the lower section of the rear reinforcement plate of the rear pillar and the rear connecting plate of the rear wheel house are at least partially provided with flanging, and the bottom surface of the side wall outer panel is abutted and connected to the flanging . 9. An automobile, characterized in that the automobile comprises the rear wall of the vehicle body according to any one of claims 1 to 8.