CN205769617U - A kind of inner plate of automobile rear wheel cover assembly structure - Google Patents

Abstract

This utility model provides a kind of inner plate of automobile rear wheel cover assembly structure, belongs to technical field of automobile components.It solve the technical problem such as rear wheel casing inner plate insufficient strength in existing automobile.This inner plate of automobile rear wheel cover assembly structure includes plate body, the side of plate body has the medial surface of indent, the opposite side of plate body forms the lateral surface of evagination, rear overhang installing plate it is installed with on the medial surface of plate body, being installed with luggage compartment riser on the lateral surface of plate body, rear overhang installing plate is oppositely arranged with luggage compartment riser；Rear overhang installing hole is offered on rear overhang installing plate.In this utility model, rear overhang installing plate is oppositely arranged with luggage compartment riser thus forms relative support, rear overhang installing plate and luggage compartment riser are to form involutory top-down closed cavity inside and outside wheel cover plate body, thus install for rear overhang and provide reliable strength support, increase body torsional rigdity simultaneously.

Description

An automobile rear wheel house inner panel assembly structure

technical field

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

Background technique

The tires of existing automobiles are usually equipped with a wheel cover structure that can play a protective role. It is generally connected by an inner plate and an outer plate to form a body cavity structure that can accommodate the upper part of the tire. The outer plate belongs to a part of the side wall of the car. The plate has an arc surface matching the shape of the automobile tire, and after the fender and liner made of plastic are assembled at the lower part of the cavity of the sheet metal wheel house structure of the vehicle body, the tire is placed in the cavity. In some existing models, mounting points for the rear suspension are arranged on the side wall. In this type of structure, most of the luggage compartment vertical plate support is open, without forming a closed cavity, which makes the strength of the rear frame of the side wall of the car body relatively weak.

my country's patent (notification number: CN204688228U; publication date: 2015-10-07) discloses a rear wheel house inner panel structure of an electric vehicle, and an installation lap surface is arranged on the outer surface of the rear wheel house inner panel. The inner side of the rear wheel house is provided with a transition surface for installation, the bottom of the rear wheel house inner board is provided with an outer eel fin, the middle position of the rear wheel house inner board is provided with an installation via hole, and the inner board of the rear wheel house is provided with a There are several mounting boss bodies and mounting sinking body.

In the inner panel structure of the rear wheel house disclosed in the above-mentioned patent documents, a mounting hole is opened in the middle of the inner panel, which reduces the support strength of the inner panel. Low, poor sealing.

Contents of the invention

The utility model aims at the above-mentioned problems existing in the existing technology, and provides an automobile rear wheel house inner panel assembly structure. The technical problem to be solved by the utility model is: how to improve the structural support strength of the rear wheel house inner panel assembly Improve its tightness.

The utility model purpose can be realized through the following technical solutions:

An automobile rear wheel house inner plate assembly structure, including a plate body, one side of the plate body has a concave inner surface, and the other side of the plate body forms a convex outer surface, it is characterized in that the A rear suspension mounting plate is fixed on the inner side of the board body, and a luggage compartment vertical plate is fixed on the outer surface of the board body, and the rear suspension installation plate is set opposite to the luggage compartment vertical plate; There are mounting holes for the rear suspension on the suspension mounting plate.

The principle is as follows: the rear suspension of the car will carry more mass of the body, and the rear suspension is connected with the body, and the strength of the connection point must be guaranteed. In this technical solution, the rear suspension of the automobile is connected with the inner panel of the rear wheel house of the automobile through the rear suspension mounting plate. Specifically, the rear suspension mounting plate is fixed on the inner side of the plate body; The outer surface of the body is used to install the luggage compartment; the rear suspension mounting plate is set opposite to the luggage compartment vertical plate to form a relative support, and the rear suspension mounting plate and the luggage compartment vertical plate are formed by the inner and outer sides of the wheel house plate. The closed cavity from top to bottom provides reliable strength support for the installation of the rear suspension, and at the same time increases the torsional rigidity of the body; because the board is completely closed, the inside and outside of the board are separated, and the luggage compartment and the rear The installation of the suspension will not cause interference, and ensure the sealing of the car body, reducing the sealing requirements for the installation of the rear suspension itself.

In this technical solution, the rear suspension mounting hole is not directly opened on the plate body of the wheel house, but a rear suspension mounting plate is fixed separately on the inner side of the plate body, and the rear suspension mounting hole is opened on the rear suspension mounting plate, which has a great impact on the airtightness of the vehicle body. And the NVH performance of the whole vehicle has a very good effect on improving. The upper end of the luggage compartment vertical plate is connected to the luggage compartment partition assembly, and the lower end of the rear suspension mounting plate is connected to the floor reinforcement beam to form a complete car body ring frame structure at the rear of the car body, which greatly improves the modal rigidity of the car body.

In the above automobile rear wheel house inner panel assembly structure, the rear suspension mounting plate is a box-shaped structure with a concave cavity, and the surrounding edges of the rear suspension mounting plate have flanges, and the flanges and the inner The sides are welded together. The rear suspension mounting plate is a single integral box-shaped part with high strength itself, which further provides reliable strength support for the rear suspension installation, effectively improving the weak strength of the rear suspension mounting plate, and avoiding the rear suspension mounting plate through multi-point connections around The joint with the board falls off.

Furthermore, the entire rear suspension mounting plate is integrally formed through a stamping process; the rear suspension mounting plate and the wheel cover body are connected by spot welding, which has a simple process and a stable connection.

In the above automobile rear wheel house inner plate assembly structure, the opening of the concave cavity faces the inner surface of the plate body, the lower side of the rear suspension mounting plate has a mounting plane, and the mounting hole is located on the mounting plate. on flat surface. The directional pronouns of "up" and "down" in this technical solution refer to that after the rear wheel house inner panel assembly structure is installed on the automobile, the direction facing the ground is "down", and the opposite direction is "up". . The above-mentioned structure is convenient for installation, and also makes the force distribution more scientific.

In the above automobile rear wheel house inner panel assembly structure, a support plate is fixed below the rear suspension mounting plate, and the support plate is fixedly connected to the inner side of the plate body and is connected to the rear suspension. The mounting plates are against each other. The support plate can be screwed on the inner surface of the plate body by bolts, and can also be welded on the inner surface of the plate body; the support plate plays a certain supporting role on the rear suspension mounting plate to further ensure its connection strength.

In the above automobile rear wheel house inner plate assembly structure, the outer surface of the plate body is also fixed with a connecting plate, the connecting plate is fixedly connected with the luggage compartment vertical plate, and the periphery of the connecting plate has folded edge, and the folded edge is welded on the outer surface of the plate body. Fix the luggage compartment vertical plate through connection to ensure its connection strength.

Compared with the prior art, the utility model has the following advantages:

1. In the utility model, the rear suspension mounting plate and the luggage compartment vertical plate are arranged opposite to each other to form a relative support. The rear suspension mounting plate and the luggage compartment vertical plate form a top-to-bottom top-to-bottom joint with the inner and outer sides of the wheel house plate. The closed cavity provides a reliable strength support for the rear suspension installation, and at the same time increases the torsional rigidity of the body.

2. The panel body of the utility model is completely closed, separating the inside and outside of the panel, so that the installation of the luggage compartment and the rear suspension will not interfere, and the airtightness of the vehicle body is guaranteed, reducing the impact on the rear suspension itself. Sealing requirements for installation.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram 1 of the rear wheel house inner panel assembly structure.

Fig. 2 is a three-dimensional structural schematic diagram II of the rear wheel house inner panel assembly structure.

Fig. 3 is a schematic cross-sectional view along the vertical direction of the rear wheel house inner panel assembly structure.

In the figure, 1. plate body; 11. inner side; 12. outer side; 2. rear suspension installation plate; 21. rear suspension installation hole; 22. flanging; 23. installation plane; 24. cavity; 3. luggage Cabin vertical plate; 4, supporting plate; 5, connecting plate; 51, folding edge.

detailed description

The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

The rear suspension of the car will carry more mass of the body, and the rear suspension is connected with the body, and the strength of the connection point must be ensured. As shown in Fig. 1, Fig. 2 and Fig. 3, the automobile rear wheel house inner panel assembly structure in this embodiment includes a plate body 1, one side of the plate body 1 has a concave inner surface 11, and the other side of the plate body 1 The sides form a protruding outer surface 12, the inner surface 11 of the board body 1 is fixed with a rear suspension installation plate 2, and the outer surface 12 of the board body 1 is fixed with a luggage compartment vertical plate 3, and the rear suspension installation plate 2 is connected with the luggage compartment. The cabin vertical board 3 is relatively arranged; the rear suspension mounting plate 2 is provided with a rear suspension mounting hole 21; specifically, the rear suspension mounting plate 2 is a box-shaped structure with a concave cavity 24, and the surrounding edges of the rear suspension mounting plate 2 have folded holes. The side 22 and the flanging 22 are connected to the inner side 11 by welding; the outer side 12 of the plate body 1 is also fixedly provided with a connecting plate 5, which is fixedly connected with the luggage compartment vertical plate 3, and the periphery of the connecting plate 5 has a folded edge 51, The folded edge 51 is welded on the outer surface 12 of the plate body 1; furthermore, the entire rear suspension mounting plate 2 is integrally formed through a stamping process; the rear suspension mounting plate 2 and the wheel house plate body 1 are connected by spot welding, the process is simple, and the connection is stable .

In this embodiment, the rear suspension mounting plate 2 is fixed on the inner side 11 of the plate body 1, the rear suspension of the automobile is connected with the inner panel of the rear wheel house of the automobile through the rear suspension mounting plate 2, and the luggage compartment vertical plate 3 is fixed on the plate. The outer surface 12 of the body 1 is used to install the luggage compartment; the rear suspension mounting plate 2 is arranged opposite to the luggage compartment vertical plate 3 to form a relative support, and the rear suspension mounting plate 2 and the luggage compartment vertical plate 3 are connected with the wheel house plate body 1. The inner and outer sides form a combined top-down closed cavity, which provides reliable strength support for the rear suspension installation, and at the same time increases the torsional rigidity of the vehicle body; Separated, the luggage compartment and the installation of the rear suspension will not interfere, and ensure the sealing of the car body, reducing the sealing requirements for the installation of the rear suspension itself. Because the rear suspension mounting hole 21 is not directly opened on the plate body 1 of the wheel house, but a rear suspension mounting plate 2 is fixed separately on the inner side of the plate body 1, and the rear suspension mounting hole 21 is opened on the rear suspension mounting plate 2. The airtightness of the body and the NVH performance of the whole vehicle have been greatly improved. The upper end of the luggage compartment vertical plate 3 is connected to the luggage compartment partition assembly, and the lower end of the rear suspension mounting plate 2 is connected to the floor reinforcement beam to form a complete ring-shaped skeleton structure at the rear of the vehicle body, which greatly improves the modal stiffness of the vehicle body; In the example, the rear suspension mounting plate 2 is a single integral box-shaped part with high strength itself, which further provides reliable strength support for the rear suspension installation, effectively improving the weak strength of the rear suspension mounting plate 2, and avoiding The connection between the rear suspension mounting plate 2 and the plate body 1 falls off.

As shown in Figures 1 and 3, the opening of the cavity 24 of the rear suspension mounting plate 2 faces the inner surface 11 of the plate body 1, the lower side of the rear suspension mounting plate 2 has a mounting plane 23, and the mounting holes are located on the mounting plane 23; A support plate 4 is also fixed below the suspension mounting plate 2 , and the support plate 4 is fixedly connected to the inner surface 11 of the plate body 1 and abuts against the rear suspension mounting plate 2 . The directional pronouns of "up" and "down" in this embodiment refer to that after the rear wheel house inner panel assembly structure is installed on the automobile, the direction facing the ground is "down", and the opposite direction is "up". . The above-mentioned structure is easy to install, and also makes the force distribution more scientific; the support plate 4 can be screwed on the inner surface 11 of the plate body 1 through bolts, and the support plate 4 plays a certain supporting role on the rear suspension mounting plate 2, further ensuring its connection strength.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Although this article uses a lot of 1, board body; 11, inner surface; 12, outer surface; 2, rear suspension mounting plate; 21, rear suspension mounting hole; 22, flange; 23, installation plane; 24, concave cavity ; 3. Luggage compartment vertical plate; 4. Support plate; 5. Connecting plate; 51. Terms such as hem, but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is against the spirit of the utility model.

Claims (5)

1. An automobile rear wheel house inner plate assembly structure, comprising a plate body (1), one side of the plate body (1) has a concave inner surface (11), the other side of the plate body (1) One side forms a protruding outer surface (12), which is characterized in that a rear suspension mounting plate (2) is fixed on the inner surface (11) of the board body (1), and the outer surface of the board body (1) A luggage compartment vertical plate (3) is fixed on the side (12), and the rear suspension mounting plate (2) is set opposite to the luggage compartment vertical plate (3); the rear suspension mounting plate (2) is provided with Mounting holes for the rear suspension (21). 2. The automobile rear wheel house inner panel assembly structure according to claim 1, characterized in that, the rear suspension mounting plate (2) is a box-shaped structure with a concave cavity (24), and the rear suspension mounting plate (2) has a flange (22) on the peripheral edge, and the flange (22) is welded to the inner surface (11). 3. The automobile rear wheel house inner panel assembly structure according to claim 2, characterized in that, the opening of the concave cavity (24) faces the inner surface (11) of the plate body (1), and the rear The lower side of the hanging mounting plate (2) has a mounting plane (23), and the mounting hole is located on the mounting plane (23). 4. The automobile rear wheel house inner panel assembly structure according to claim 1, 2 or 3, characterized in that, a support plate (4) is fixed below the rear suspension mounting plate (2), and the The support plate (4) is fixedly connected to the inner surface (11) of the plate body (1) and abuts against the rear suspension mounting plate (2). 5. The automobile rear wheel house inner plate assembly structure according to claim 1, 2 or 3, characterized in that, the outer surface (12) of the plate body (1) is also fixedly provided with a connecting plate (5), The connecting plate (5) is fixedly connected with the luggage compartment vertical plate (3), and the periphery of the connecting plate (5) has a folded edge (51), and the folded edge (51) is welded on the plate body ( 1) on the outer side (12).