CN211918837U - Rear wheel house inner reinforcement plate assembly - Google Patents

Abstract

The utility model discloses a reinforcing plate assembly in rear wheel casing, including two inner panel reinforcements that Y set up to the symmetry and connect the seat installation crossbeam between two inner panel reinforcements. The inner plate reinforcing parts on the left side and the right side of the utility model are connected into a whole through the seat mounting beam, can be used as a reinforcing part to improve the dynamic rigidity of the mounting point of the rear shock absorber and the torsion mode of the white automobile body, and can also be used as a supporting part to support the rear wheel cover and strengthen the connection between the rear wheel cover and the floor, thereby effectively improving the structural rigidity of the rear wheel cover and improving the durability and fatigue resistance of the white automobile body; the dynamic stiffness of the mounting point of the rear shock absorber and the torsion mode of the body-in-white are improved, the road noise and the rolling and shaking problems caused by the low torsion mode are greatly improved, and the NVH performance of the vehicle is improved.

Description

Rear wheel house inner reinforcement plate assembly

technical field

The utility model belongs to the technical field of automobile manufacturing, and relates to an inner reinforcing plate assembly of a rear wheel cover.

Background technique

In order to increase the jog stiffness of the rear shock absorber and improve the torsional mode of the body-in-white, a support structure is usually added to the rear wheel cover. The existing support structure is usually reinforced and thickened on the rear wheel cover separately. There is no effective support structure between the rear floors, and the excitation from the Y direction of the road cannot be effectively conducted, and the rear wheel covers on both sides are not connected, which can neither effectively improve the installation jog stiffness of the rear shock absorber, nor improve the torsional mold of the body-in-white. state, and this is not conducive to lightweight, and at the same time increases the cost.

Utility model content

In view of this, the present invention provides a rear wheel cover inner reinforcing plate assembly, which is beneficial to improve the structural rigidity of the rear wheel cover, can improve road noise and roaring and jitter caused by low torsional mode, improve NVH performance, and at the same time The structural rigidity of the rear wheel cover is strengthened, which is beneficial to the lightening of the vehicle and the cost reduction.

The rear wheel house inner reinforcement plate assembly of the utility model comprises two inner plate reinforcements symmetrically arranged in the Y direction and a seat mounting beam connected between the two inner plate reinforcements.

Further, the said rear floor side reinforcement board is also included, and the rear floor side reinforcement board is connected to one side of the inner panel reinforcement member in the Y direction so that the two form a similar "herringbone" structure.

Further, the bottom of the rear floor side reinforcing plate is bent to form a horizontal connection portion.

Further, the inner panel reinforcement includes a reinforcement body and a reinforcement branch formed by extending outward from the reinforcement body Y to one side, and the rear floor side reinforcement plate is connected to the bottom of the reinforcement branch.

Further, the two ends of the seat mounting beam are connected to the bottom of the reinforcing body through a connecting piece, the connecting piece has a horizontal connecting section and a vertical connecting section, the horizontal connecting section of the connecting piece is connected to the seat mounting beam, and the connecting piece The vertical connecting section is connected to the reinforcement body.

Further, the inner panel reinforcement, the seat mounting beam, the connecting member, and the rear floor side reinforcement are stamped parts with an approximately "ji"-shaped cross-section.

Further, the top of the rear wheel house inner panel reinforcement is bent outwards and then bent upwards.

Further, the inner panel reinforcement and/or the seat mounting beam and/or the rear floor side reinforcement plate is provided with a weight reduction hole.

Further, the inner panel reinforcement and/or the seat mounting beam and/or the rear floor side reinforcement plate has a punched and formed reinforcement rib.

The beneficial effects of the present utility model:

The inner panel reinforcements on the left and right sides of the utility model are connected together by the seat mounting beam, which can be used as reinforcements to enhance the mounting point dynamic stiffness of the rear shock absorber and the torsional mode of the body-in-white, and can also be used as supports to support the rear wheel cover. And strengthen the connection between the rear wheel cover and the floor, effectively improve the structural rigidity of the rear wheel cover, and improve the durability and anti-fatigue performance of the body-in-white; The road noise and the roaring jitter caused by the low torsional mode are greatly improved, and the NVH performance of the vehicle is improved.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

1 is a schematic diagram of the three-dimensional structure of the present utility model;

Figure 2 is a schematic side view of the structure;

Figure 3 is a schematic diagram of a partially enlarged structure;

Figure 4 is a schematic diagram of the connection structure of the rear floor side reinforcing plate;

5 is a schematic diagram of an enlarged structure of a connector;

Detailed ways

Figure 1 is a schematic three-dimensional structure of the utility model; Figure 2 is a schematic side view of the structure; Figure 3 is a schematic diagram of a partial enlarged structure;

In this embodiment, the X-axis direction is the direction of the length of the vehicle, the Y-axis direction is the direction of the width of the vehicle, and the Z-axis direction is the height direction of the vehicle.

As shown in the figure: this embodiment provides a rear wheel house inner reinforcement plate assembly, comprising two inner plate reinforcements 1 symmetrically arranged in the Y direction and a seat mounting beam connected between the two inner plate reinforcements 2. 1 and 2, the two inner panel reinforcements 1 and the seat mounting beam 2 in the X-direction form a similar U-shaped structure, wherein the two inner panel reinforcements 1 are respectively connected in the two rear wheel housings On the board, the seat mounting beam is connected to the rear floor, and the inner panel reinforcements on the left and right sides are connected together by the beam connector and the beam seat mounting beam, which can form support for the rear wheel cover and strengthen the connection between the rear wheel cover and the floor. Effectively improve the structural rigidity of the rear wheel cover, and improve the durability and anti-fatigue performance of the body-in-white; the rear wheel cover inner panel reinforcement assembly can be used for multiple purposes, and can also be used as a reinforcement to enhance the rear shock absorber installation jog The rigidity and the torsional mode of the body-in-white can also be used as a support to form a support for the rear wheel cover to improve the structural rigidity of the rear wheel cover; the rear shock absorber installation point dynamic stiffness and the improvement of the torsional mode of the body-in-white have greatly improved the Road noise and roaring jitter caused by low torsional modes improve vehicle NVH performance;

In this embodiment, the rear floor side reinforcing plate 3 is also included, and the rear floor side reinforcing plate is connected to one side of the inner plate reinforcing member in the Y direction so that the two form a similar "herringbone" structure. As shown in Figure 3, in the Y direction, the inner panel reinforcement and the rear floor side reinforcement plate form an approximate "herringbone" shape structure, and the approximate "herringbone" shape means that the structure formed by the two can be on the basis of the "herringbone" shape. A certain deformation is allowed on the upper part, so that the shape formed by the two is roughly the same as the shape of the "herringbone" character; the connection between the inner plate reinforcement and the inner side of the rear floor side reinforcement plate is an arc-shaped transition structure to improve the stress concentration phenomenon. The bottom of the floor-side reinforcing plate is connected to the rear floor, and combined with the approximately "herringbone" structure of the inner plate reinforcing member in the Y direction, it forms a reliable support for the rear wheel arch, and it is easy to transmit the force from the shock absorber to the floor and C-pillar, so that the The Y-direction dynamic stiffness of the rear shock absorber installation point is greatly improved; the inner plate reinforcement and the rear floor side reinforcement plate form a semi-ring structure, which forms a closed ring structure when installed on the rear floor, effectively Improved the first-order torsional mode of the body-in-white;

In this embodiment, the bottom of the rear floor side reinforcing plate 3 is bent to form a horizontal connecting portion 3a. As shown in Figure 4, the bottom of the rear floor reinforcement plate is bent inward, that is, close to the center side of the seat mounting beam, and after bending, an approximate right-angle structure is formed. Of course, according to the actual layout structure, the bottom of the rear floor reinforcement plate can also be bent to the outside. , the bending angle is adapted to the relative positional relationship between the inner panel reinforcement 1 and the rear floor, wherein the horizontal connection part is used to connect with the rear floor, the vertical connection part 3b is used to connect with the inner panel reinforcement 1, and the rear floor The reinforcing plates are all connected with the rear floor and the inner plate reinforcement by welding, and the structure is convenient for the connection between the rear floor side reinforcing plates and other components.

In this embodiment, the inner panel reinforcement 1 includes a reinforcement body 1a and a reinforcement branch 1b extending outward from the reinforcement body Y to one side. The rear floor side reinforcement plate is connected to the bottom of the reinforcement branch. Referring to Fig. 1, the X-direction width of the rear floor side reinforcing plate and the reinforcing branch is approximately the same, and the positioning and installation of the rear floor side reinforcing plate is facilitated by the arrangement of the reinforcing branch 1b.

In this embodiment, both ends of the seat mounting beam are connected to the bottom of the reinforcing body 1a through a connecting piece 4, the connecting piece has a horizontal connecting section and a vertical connecting section, and the horizontal connecting section 4a of the connecting piece 4 is connected to The seat is mounted on the beam, and the vertical connecting section 4b of the connecting piece 4 is connected to the reinforcing body 1a. The horizontal connecting section extends approximately horizontally, which allows a certain deviation in the horizontal direction, and the vertical connecting section extends approximately vertically, which allows a certain deviation in the vertical direction. The connecting section 4b is approximately vertical, that is, a certain error is allowed on the vertical basis, and the error is determined based on the manufacturing error and the relative positional relationship between the seat mounting beam and the reinforcing body 1a; the horizontal connecting section and the vertical connecting section are determined by the relative positional relationship. Arc transition connection, the horizontal connection section is wrapped around the seat beam from top to bottom and connected by welding, and the vertical connection section is wrapped around the reinforcement body 1a from the inside, that is, the side close to the seat installation beam It is connected by welding. The setting of the connector is conducive to the fixed connection of the seat installation beam and the inner panel reinforcement 1. Different types of connectors can adapt to the assembly of the reinforcement assembly in the X direction and the Y direction. It is conducive to the standardization of each component of the rear wheel house inner panel reinforcement assembly to adapt to the size requirements of different models.

In this embodiment, the inner panel reinforcement, the seat mounting beam, the connecting member, and the rear floor side reinforcement are stamped parts with a cross-section of approximately a "ji" shape. As shown in Figure 1, the approximate "ji" structure means that a certain deformation is allowed on the basis of the "ji" shape, so that the cross-sectional shape is roughly consistent with the shape of the "ji"; ” character structure, the concave sides of which are all located on the same side, so that the overall structure of the reinforcement plate assembly in the rear wheel house forms a groove structure that penetrates each other in its extending direction and forms a flange at the edge. As the edge of the entire rear wheel house inner panel reinforcement assembly is continuously closed, the flanging structure not only acts as a reinforcement structure to improve the overall strength and torsional rigidity of the rear wheel house inner panel reinforcement assembly, but also serves as a connecting structure to facilitate the connection with other components. Solder connection. As shown in FIG. 1, the flange I1c on the top of the inner panel reinforcement 1 serves as a reinforcing structure and also serves as a connecting flange, which facilitates the welding connection with the inner panel of the rear wheel house. As shown in FIG. 4, A flange II1d is formed at the bottom of the reinforcing branch 1b, and a flange III3c is formed on both sides of the vertical connecting portion 3b. The vertical connecting portion is buckled on the inner side of the reinforcing branch 1b to form a wrapping shape, wherein the flange II1d and the flange III3c are connected by welding. Flanging IV3c is formed on both sides of the horizontal connecting portion 3a, which is convenient for connection with the rear floor. As shown in FIG. 5, flanges V4c are formed on both sides of the horizontal connecting section 4a, and flanges VI2a are formed on both sides of the seat mounting beam 2 , the horizontal connecting section 4a is buckled from top to bottom at the end of the seat installation beam 2 to form a wrapping shape, the flange V4c and the flange VI2a are fixedly connected by welding, and the vertical connecting section 4b is formed on both sides with flanges VII4d to strengthen the main body. A flange Ⅷ1d is formed at the bottom of 1a, and the vertical connecting section 4b is fastened to the inner side of the reinforcement body 1a to form a wrapping shape. For example, the flange VI2a of the seat installation beam is provided with a groove formed by punching from the welding surface to form an escape, improve the interference between the longer connecting flange and the rear floor, and improve the For the connection effect, the groove also acts as a reinforcing member to locally strengthen the flanging. Avoidance grooves can be opened on the flanging corresponding to the area that interferes with other components. The specific location depends on the actual assembly situation, and will not be described in detail;

In this embodiment, the top of the rear wheel house inner panel reinforcement 1 is bent outwards and then bent upwards. As shown in Fig. 1 and Fig. 2, firstly bend outwards to extend outwards to form an escape space at the bottom. At the same time, it is also adapted to the Y-direction distance between the inner panels of the two rear wheel housings. Bending upwards makes the An approximately vertical installation surface is formed on the outer side surface, and the bending structure is favorable for installation and cooperation with the inner panel of the rear wheel house. The specific bending angle can be adjusted correspondingly according to the actual assembly condition of the inner panel of the rear wheel house.

In this embodiment, the inner panel reinforcement 1 and/or the seat mounting beam 2 and/or the rear floor side reinforcement panel 3 are provided with weight reduction holes 5. The weight-reduction hole can be opened on only one of the components alone, or can be selectively opened on two of the components or on three of the components according to the actual working conditions. The specific opening position and number can be adjusted according to the actual working conditions. In this embodiment, the upper, middle and lower positions of the reinforcing main body 1a are provided with weight-reducing holes. The weight-reducing holes can be either round hole structures or waist-shaped hole structures. The arrangement of the weight-reducing holes is beneficial to the lightening of vehicles. , can also reduce material costs;

In this embodiment, the inner panel reinforcement 1 and/or the seat mounting beam 2 and/or the rear floor side reinforcement panel 3 are provided with punched and formed reinforcement ribs 6. The reinforcing ribs can be set on one of the components alone, or can be selectively set on two of the components or on three of the components according to the actual working conditions. The specific opening position and number can be adjusted according to the actual working conditions. In the example, the inner panel reinforcement 1, the seat mounting beam 2 and the rear floor side reinforcement plate 3 are all provided with reinforcing rib structures, and corresponding reinforcing ribs can also be provided at the connection of each component to form local reinforcement at the connection. Improve the local strength and stability of the joint, and the reinforcing ribs are grooves or raised structures formed by stamping, which effectively improves the structural strength and rigidity of the rear wheel house inner plate reinforcement assembly;

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should The technical solutions are modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and all of them should be included in the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a reinforcing plate assembly in rear wheel casing which characterized in that: the seat comprises two inner plate reinforcements symmetrically arranged in the Y direction and a seat mounting beam connected between the two inner plate reinforcements;

the rear floor side reinforcing plate is connected to one side of the inner plate reinforcing piece Y in a Y direction, so that the inner plate reinforcing piece Y and the rear floor side reinforcing plate form an approximate herringbone structure.

2. The rear wheel house inner gusset assembly of claim 1, wherein: the bottom of the rear floor side reinforcing plate is bent to form a horizontal connecting part.

3. The rear wheel house inner gusset assembly of claim 1, wherein: the inner plate reinforcement comprises a reinforcement main body and a reinforcement branch formed by extending outwards from the reinforcement main body Y to one side, and the rear floor side reinforcement plate is connected to the bottom of the reinforcement branch.

4. The rear wheel house inner reinforcement plate assembly of claim 3, wherein: the seat installation crossbeam both ends are passed through the connecting piece and are connected with enhancement main part bottom, the connecting piece has horizontal connection section and vertical linkage segment, the horizontal connection section of connecting piece is connected in the seat installation crossbeam, and the vertical linkage segment of connecting piece is connected in strengthening the main part.

5. The rear wheel house inner reinforcement plate assembly of claim 4, wherein: the inner plate reinforcing piece, the seat mounting cross beam, the connecting piece and the rear floor side reinforcing plate are stamped parts with approximate inverted V-shaped cross sections.

6. The rear wheel house inner gusset assembly of claim 1, wherein: the top of the rear wheel cover inner plate reinforcing piece is bent outwards and then bent upwards.

7. The rear wheel house inner gusset assembly of claim 1, wherein: and lightening holes are formed in the inner plate reinforcing piece and/or the seat mounting cross beam and/or the rear floor side reinforcing plate.

8. The rear wheel house inner gusset assembly of claim 1, wherein: the inner panel reinforcement and/or the seat mounting cross member and/or the rear floor side reinforcement plate have reinforcing ribs formed by stamping.

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