CN206528292U - A kind of electric automobile Triangular Arm mounting structure based on aluminium vehicle body - Google Patents

Abstract

The utility model discloses a triangular arm installation structure of an electric vehicle based on an aluminum body, which comprises a triangular arm and a sub-bracket, the triangular arm is connected with the sub-bracket through a connecting bracket; the connecting bracket includes an L-shaped support Seat, the left fork piece and the right fork piece are symmetrically welded on the end surface of one side of the L-shaped support; a threaded bush is connected between the left fork piece and the right fork piece; A through hole for connecting the sub-bracket is provided; a through hole for connecting the connecting bracket is provided on the sub-bracket. The utility model has the advantages of simple structure and convenient manufacture and use. It can not only solve the problem of bracket cracking in the road test process of the triangular arm aluminum alloy connection bracket, but also can effectively improve the connection stiffness of the triangular arm and the sub-bracket of the vehicle body, thereby improving the triangular arm. life of the arm.

Description

An electric vehicle triangular arm installation structure based on aluminum body

technical field

The utility model relates to a triangular arm installation structure of an electric vehicle, which belongs to the technical field of automobile tripod arms, in particular to a triangular arm installation structure of an electric vehicle based on an aluminum body.

Background technique

The aluminum alloy connection bracket of the original car triangular arm has a problem of cracking during the road test. Through CAE simulation analysis technology, the aluminum alloy bracket is simulated in vertical impact, steering conditions, reverse braking, emergency braking, rapid acceleration, and forward handbrake. The maximum stress of the bracket under braking, reverse handbrake and other working conditions. Considering the influence of the safety factor, the simulation results show that the maximum stress exceeds the material yield strength value under vertical impact, steering conditions and emergency braking conditions. Limited to the influence of aluminum alloy welding and vehicle model technology, the problem of bracket fracture cannot be solved through structural design optimization.

In the Chinese utility model patent CN204278968U, a connecting bracket for an automobile triangle arm and a stabilizer bar is disclosed, wherein the connecting bracket includes a sleeve and a top piece, an upper fork piece and a lower fork piece welded on the outer wall of the sleeve The end of the top piece is welded to the upper fork piece, and a coaxial bushing is arranged inside the sleeve. Although the utility model has a simple structure, it also ensures the required assembly space for the triangular arm and the stabilizer bar, and meets the installation strength problem of the triangular arm and the stabilizer bar, but it does not solve the problem of broken brackets.

Contents of the invention

In view of the above-mentioned defects in the prior art, the purpose of this utility model is to solve the above-mentioned deficiencies in the background technology, and provide a triangular arm installation structure for an electric vehicle based on an aluminum body, which is not only simple in structure, but also can effectively increase the strength of the bracket, Optimize the scaffold structure.

In order to solve the above-mentioned technical problems, the utility model adopts such a triangular arm installation structure of an electric vehicle based on an aluminum body, which includes a triangular arm and a sub-bracket, and the triangular arm is connected to the sub-bracket through a connecting bracket; The connecting bracket includes an L-shaped support, and a left fork and a right fork are symmetrically welded on one end surface of the L-shaped support; a threaded bush is connected between the left fork and the right fork; The L-shaped support is provided with a through hole for connecting the sub-bracket; the sub-bracket is provided with a through hole for connecting the connecting bracket.

In a preferred embodiment of the present utility model, bush installation holes are coaxially arranged on the left fork and the right fork; the threaded bush is fixed to the left fork and the Between the right forks; the triangular arm is connected with the threaded bush.

In a preferred embodiment of the present utility model, there are three through holes on the L-shaped support, two of which are arranged on the support plate without the fork piece, and one is located on the support plate with the fork piece installed. board.

In a preferred embodiment of the utility model, a plurality of connection holes are also provided on the support plate on which the fork is installed.

In a preferred embodiment of the present utility model, three through holes are arranged on the lower side beam of the sub-bracket; two through holes are set at the bottom end of the lower side beam, and one through hole is set at the bottom end of the lower side beam. The side ends of the lower side members.

In a preferred embodiment of the present utility model, an aluminum sleeve with thread is welded in the through hole.

In a preferred embodiment of the present utility model, the sub-bracket is welded to the front structure of the body-in-white.

In a preferred embodiment of the present utility model, the horn is fixedly connected to the triangular arm by bolts; the brake hub is fixed to the horn by bolts.

The beneficial effects of the utility model are: the utility model is simple in structure, easy to manufacture and use, it can not only solve the problem of cracking of the aluminum alloy connection bracket of the triangular arm in the road test process, but also can effectively improve the triangular arm and the sub-bracket of the vehicle body The connection stiffness is improved, thereby improving the service life of the triangle arm.

Description of drawings

Fig. 1 is a schematic diagram of the layout structure of the front part of the body-in-white of an electric vehicle triangular arm installation structure based on the aluminum body of the utility model embodiment;

Fig. 2 is a schematic diagram of the sub-bracket arrangement structure of the triangular arm installation structure of the electric vehicle based on the aluminum body of the utility model embodiment;

Fig. 3 is a front view of the sub-bracket arrangement structure of the triangular arm installation structure of the electric vehicle based on the aluminum body of the utility model embodiment;

Fig. 4 is a schematic diagram of the layout structure of the triangle arm connecting bracket of the triangle arm installation structure of the electric vehicle based on the aluminum body of the utility model embodiment;

Fig. 5 is a schematic diagram of the connection bracket structure of the triangular arm installation structure of the electric vehicle based on the aluminum body of the utility model embodiment;

Fig. 6 is a schematic diagram of a connection bracket structure of an electric vehicle triangular arm installation structure based on an aluminum body according to an embodiment of the present invention.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figure 1, the front structure 1 of the body-in-white and the sub-bracket 2 are connected together by welding process, the triangular arm 4 and the sub-bracket 2 are connected through the connecting bracket 3, the triangular arm 4 and the horn 6 are connected by bolts, and the horn 6 It is connected with the brake hub 5 by bolts.

Connecting bracket 3 is made of support 8, left fork piece 9, right fork piece 10, support 8 and left fork piece 9, support 8 and right fork piece 10 are connected by welding process, triangular arm 4 bushing is connected with left fork piece by bolt. The fork piece 9 and the right fork piece 10 are installed, and the coaxiality of the two through holes of the two fork pieces, the roughness of the end surface, and the accuracy of the spacing are high.

The support 8 and the left lower longitudinal beam 7 are installed with 3 bolts. The left lower longitudinal beam 7 is designed with 2 through holes in the Z direction and 1 through hole in the Y direction. The threaded aluminum sleeve 11 is welded with the left lower longitudinal beam 7 , and then connected and fixed by bolts.

It should be understood that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of Any changes or substitutions should fall within the protection scope of the present invention.

Claims (8)

1. a kind of electric car triangular arm installation structure based on aluminum body, comprise triangular arm (4) and sub-bracket (2), described triangular arm (4) is connected with described sub-bracket (2) by connecting support (3) ) connection; it is characterized in that: the connecting bracket (3) includes an L-shaped support (8), and a left fork (9) and a right fork are welded symmetrically on one end surface of the L-shaped support (8) (10); a threaded bush is connected between the left fork (9) and the right fork (10); the L-shaped support (8) is provided with a threaded bush for connecting the sub-bracket (2 ) through holes; the sub-bracket (2) is provided with a through hole for connecting the connecting bracket (3). 2. A triangular arm installation structure for an electric vehicle based on an aluminum body according to claim 1, characterized in that: the left fork (9) and the right fork (10) are coaxially provided with bushings Mounting holes; the threaded bush is fixed between the left fork (9) and the right fork (10) by bolts; the triangular arm (4) is connected with the threaded bush. 3. A triangular arm installation structure for an electric vehicle based on an aluminum body according to claim 1, characterized in that: there are three through holes on the L-shaped support (8), two of which are arranged on the unmounted On the support plate of the fork, one is located on the support plate on which the fork is installed. 4. A triangular arm installation structure for an electric vehicle based on an aluminum body according to claim 3, characterized in that: a plurality of connection holes (12) are also provided on the support plate on which the fork is installed. 5. A triangular arm installation structure for an electric vehicle based on an aluminum body according to claim 1, characterized in that: the lower longitudinal beam (7) of the sub-bracket (2) is provided with three through holes; two of them Two through holes are arranged at the bottom end of the lower longitudinal beam (7), and one through hole is arranged at the side end of the lower longitudinal beam (7). 6 . The triangular arm installation structure of an electric vehicle based on an aluminum body according to claim 5 , wherein an aluminum sleeve ( 11 ) with threads is welded in the through hole. 7 . 7. The triangular arm installation structure of an electric vehicle based on an aluminum body according to claim 1, characterized in that: the sub-bracket (2) is welded to the front structure (1) of the body-in-white. 8. The triangular arm installation structure of an electric vehicle based on an aluminum body according to claim 1, characterized in that: the triangular arm (4) is fixedly connected with horns (6) by bolts; the horns (6) A brake hub (5) is fixedly connected with the upper by bolts.