A double-wishbone aluminum alloy shock tower structure and its shock tower beam system layout

Abstract

The present invention belongs to the field of shock towers; a double-wishbone aluminum profile shock tower structure and a shock tower beam system layout method thereof are disclosed. A front shock tower support beam (4.1) and a rear shock tower support beam (4.2) are arranged in parallel above the engine room longitudinal beam (6). The top ends of the front shock tower support beam (4.1) and the rear shock tower support beam (4.2) are provided with an upper engine room longitudinal beam (7). A wheelhouse guard plate (3) is arranged between the front shock tower support beam (4.1) and the rear shock tower support beam (4.2). The front end of the wheelhouse guard plate (3) is provided with a shock tower seat (1). The front end of the shock tower seat (1) is connected to the front end of the upper control arm front mounting beam (2.1) by an upper finger beam (8). The present invention is used to solve the problems of high cost and long cycle of cast aluminum shock towers. The present invention is particularly applicable to the small-batch production of automobiles.

Description

Technical Field

[0001] The present invention belongs to the field of shock absorber towers; specifically, it relates to a double-wishbone aluminum profile shock absorber tower structure and its shock absorber tower beam system layout. Background Art

[0002] With the rapid development of automotive electrification and intelligence, the requirement for vehicle lightweighting is becoming increasingly urgent. The traditional automotive shock absorber tower structure is usually a steel sheet metal stamping part, a structural component connected by resistance welding. Especially when equipped with a double-wishbone type suspension, there are many stamping parts, the structure is complex, and the mass is very large, which is one of the key components in the lightweight design of the white body. The current high-pressure die-cast aluminum shock absorber tower structure is one of the main solutions for the lightweight design of shock absorber towers. It is connected to surrounding parts through RPS, FDS or arc welding, but its die structure is complex, the cost is very high, and the manufacturing cycle is long, especially not meeting the requirements of small-batch automotive production. Summary of the Invention

[0003] The present invention provides a double-wishbone aluminum profile shock absorber tower structure and its shock absorber tower beam system layout, which is a lightweight solution for a shock absorber tower equipped with a double-wishbone suspension. It uses an aluminum profile structure to replace the high-pressure die-cast aluminum structure, solves the problems of high cost and long cycle of die-cast aluminum shock absorber towers, and is especially applicable to small-batch production vehicles.

[0004] The present invention is realized through the following technical solutions:

[0005] A double-wishbone aluminum profile shock absorber tower structure, the shock absorber tower structure includes a shock absorber tower base 1, a front upper control arm mounting beam 2.1, a wheelhouse liner 3, a front shock absorber tower support beam 4.1, a rear shock absorber tower support beam 4.2, a front and rear shock absorber tower support connecting beam 5, an engine bay longitudinal beam 6, an upper engine bay longitudinal beam 7, and an upper finger beam 8;

[0006] The front shock absorber tower support beam 4.1 and the rear shock absorber tower support beam 4.2 are arranged in parallel above the engine bay longitudinal beam 6, the upper engine bay longitudinal beam 7 is arranged at the top ends of the front shock absorber tower support beam 4.1 and the rear shock absorber tower support beam 4.2, the wheelhouse liner 3 is arranged between the front shock absorber tower support beam 4.1 and the rear shock absorber tower support beam 4.2, the shock absorber tower base 1 is arranged at the upper end of the wheelhouse liner 3, and the front end of the shock absorber tower base 1 is connected to the front end of the front upper control arm mounting beam 2.1 to connect the upper finger beam 8.

[0007] A double-wishbone aluminum profile shock absorber tower structure, the shock absorber tower base 1 is provided with an upper strut avoidance hole 1.1, and four mounting holes are evenly distributed around the upper strut avoidance hole 1.1.

[0008] A double-wishbone aluminum alloy shock tower structure, on which an upper control arm front mounting beam 2.1 is connected to a front support beam 4.1 of the shock tower, and an upper control arm rear mounting beam 2.3 is connected to a rear support beam 4.2 of the shock tower. A shock tower base 1 is arranged between the upper control arm rear mounting beam 2.3 and the upper control arm front mounting beam 2.1.

[0009] A double-wishbone aluminum alloy shock tower structure, on which an upper control arm front mounting sleeve 2.2 is formed on the upper control arm front mounting beam 2.1;

[0010] An upper control arm rear mounting sleeve 2.4 is formed on the upper control arm rear mounting beam 2.3.

[0011] A double-wishbone aluminum alloy shock tower structure, the front end of an upper longitudinal beam 7 of the engine compartment is connected to a front end frame, and the rear section of the upper longitudinal beam 7 of the engine compartment is connected to a front bulkhead cross beam.

[0012] A double-wishbone aluminum alloy shock tower structure, the thickness of a front and rear support connecting beam 5 of the shock tower is more than 5 mm thinner than that of the front support beam 4.1 and the rear support beam 4.2 of the shock tower, facilitating the avoidance of welds.

[0013] A double-wishbone aluminum alloy shock tower structure, the shock tower base 1 includes a front cross beam 1.2, a rear cross beam 1.3 and an upper control arm mounting point 1.4 of the shock tower base, which are integrally extruded profiles.

[0014] A double-wishbone aluminum alloy shock tower structure, the shock tower structure includes a shock tower base 1, an upper control arm front mounting beam 2.1, a wheelhouse liner 3, a front support beam 4.1 of the shock tower, a rear support beam 4.2 of the shock tower, a front and rear support connecting beam 5 of the shock tower, an engine compartment longitudinal beam 6, an upper longitudinal beam 7 of the engine compartment, an upper finger beam 8, an upper control arm front mounting sleeve 2.2 and an upper control arm rear mounting sleeve 2.4;

[0015] The shock tower base 1 is used to be restricted by the front suspension upper control arm 10 and the upper strut 9, and is used to increase the force transmission path;

[0016] The front cross beam 1.2 and the rear cross beam 1.3 of the shock tower base are used to transmit the force input by the front suspension to the front support beam 4.1 of the shock tower and the upper finger beam 8;

[0017] The upper control arm front mounting beam 2.1 is used to provide the mounting point of the upper control arm front mounting sleeve 2.2;

[0018] The upper control arm rear mounting beam 2.3 is used to provide the mounting point of the upper control arm rear mounting sleeve 2.4;

[0019] The wheelhouse liner 3 avoids the spring envelope, acts as a wheel liner, and protects the engine compartment environment;

[0020] The front and rear support connecting beam 5 of the shock absorber tower is used to connect the front support beam 4.1 and the rear support beam 4.2 of the shock absorber tower;

[0021] The longitudinal beam 6 of the engine compartment is used to receive the forces transmitted by the front support beam 4.1 and the rear support beam 4.2 of the shock absorber tower;

[0022] The upper longitudinal beam 7 of the engine compartment is used to receive the force transmitted by the shock absorber tower base 1 and transmit it to the front end frame and the front cross beam;

[0023] The upper finger beam 8 is used to receive the force transmitted by the shock absorber tower base 1.

[0024] A double-wishbone aluminum alloy shock absorber tower structure, the shock absorber tower base 1 includes a front cross beam 1.2 of the shock absorber tower base, a rear cross beam 1.3 of the shock absorber tower base and an upper control arm mounting point 1.4. The front cross beam 1.2 and the rear cross beam 1.3 of the shock absorber tower base are used to be respectively connected to the upper longitudinal beam 7 and the upper finger beam 8 of the engine compartment.

[0025] A method for arranging the shock absorber tower beam system of a double-wishbone aluminum alloy shock absorber tower structure. Specifically, during the driving of the vehicle, the forces received by the upper control arm and the upper strut mounting point are transmitted and dispersed through the beam system structure, away from the force transmission path; the forces are transmitted through the front cross beam 1.2 and the rear cross beam 1.3 of the shock absorber tower base 1 of the shock absorber tower base, the front mounting beam 2.1 of the upper control arm and the rear mounting sleeve 2.4 of the upper control arm, to the upper finger beam 8 on the outside and to the front support beam 4.1 and the rear support beam 4.2 of the shock absorber tower on the inside. The front support beam 4.1 and the rear support beam 4.2 of the shock absorber tower transmit the forces to the upper longitudinal beam 7 and the longitudinal beam 6 of the engine compartment, and the upper finger beam 8, the upper longitudinal beam 7 and the longitudinal beam 6 of the engine compartment transmit the forces to the vehicle body beam system.

[0026] The beneficial effects of the present invention are:

[0027] The structure of the present invention is simple, light in weight, low in cost, and short in manufacturing cycle, and is especially suitable for small-batch automobile production.

[0028] By reasonably arranging the beam system, the present invention effectively improves the stiffness and strength of the shock absorber tower base.

[0029] All the front suspension mounting group holes provided by the present invention are on the shock absorber tower base, and the group hole accuracy is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Attached Figure 1 is Structural Schematic Diagram A of the present invention.

[0031] Attached Figure 2 is Structural Schematic Diagram B of the present invention.

[0032] Attached Figure 3 is the exploded view of the structure of the present invention.

[0033] Appendix Figure 4 It is the structural sectional view of the present invention.

[0034] Appendix Figure 5 It is the schematic diagram of the force transmission of the present invention. Specific Embodiments

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0036] As Figure 1-2 shown, a double-wishbone aluminum profile shock tower structure, the shock tower structure includes a shock tower base 1, an upper control arm front mounting beam 2.1, a wheelhouse liner 3, a shock tower front support beam 4.1, a shock tower rear support beam 4.2, a shock tower front and rear support connection beam 5, an engine bay longitudinal beam 6, an engine bay upper longitudinal beam 7, an upper finger beam 8, a front strut 9, and an upper control arm 10; the above parts are connected by arc welding or FDS.

[0037] The shock tower front support beam 4.1 and the shock tower rear support beam 4.2 are arranged in parallel above the engine bay longitudinal beam 6, the top ends of the shock tower front support beam 4.1 and the shock tower rear support beam 4.2 are provided with the engine bay upper longitudinal beam 7, the wheelhouse liner 3 is arranged between the shock tower front support beam 4.1 and the shock tower rear support beam 4.2, the upper end of the wheelhouse liner 3 is provided with the shock tower base 1, and the front end of the shock tower base 1 is connected to the front end of the upper control arm front mounting beam 2.1 to connect the upper finger beam 8.

[0038] The engine bay upper longitudinal beam 7 is arranged above the engine bay longitudinal beam 6. The front end of the engine bay upper longitudinal beam is connected to the front end frame, and the rear section is connected to the front bulkhead cross beam. The engine bay upper longitudinal beam 7 and the engine bay longitudinal beam 6 are connected by one or more groups of vertical beams 4 and cross beams 5. The cross beams 2.1 and 2.3 are arranged on the front and rear sides of the shock tower base 1. One end of the cross beam 2 is connected to the engine bay upper longitudinal beam 7 or the engine bay longitudinal beam connection beam 4 to form a force transmission beam system arrangement.

[0039] A double-wishbone aluminum profile shock tower structure, the shock tower base 1 is provided with an upper strut relief hole 1.1, and four mounting holes are evenly distributed around the upper strut relief hole 1.1.

[0040] A double-wishbone aluminum alloy shock tower structure, on which a front mounting beam 2.1 of an upper control arm is connected to a front support beam 4.1 of the shock tower, and a rear mounting beam 2.3 of the upper control arm is connected to a rear support beam 4.2 of the shock tower. A shock tower seat 1 is arranged between the rear mounting beam 2.3 of the upper control arm and the front mounting beam 2.1 of the upper control arm. The distance between the front support beam 4.1 and the rear support beam 4.2 of the shock tower is controlled by the distance between the mounting points of the upper control arm, and the angle of the plane of the shock tower seat 1 is controlled by the contact plane on the front strut. The height position is flush with the front end frame. The front mounting beam 2.1 of the upper control arm is connected to an upper finger beam 8 through an upper control arm mounting point 2.2. The front support beam 4.1 of the shock tower is vertical, and it is not set by the angle setting point between the front mounting beam 2.1 of the upper control arm and the front support beam 4.1 of the shock tower.

[0041] A double-wishbone aluminum alloy shock tower structure, on which a front mounting sleeve 2.2 of the upper control arm is opened on the front mounting beam 2.1 of the upper control arm;

[0042] A rear mounting sleeve 2.4 of the upper control arm is opened on the rear mounting beam 2.3 of the upper control arm.

[0043] A double-wishbone aluminum alloy shock tower structure, the front end of an upper longitudinal beam 7 of the engine compartment is connected to a front end frame, and the rear section of the upper longitudinal beam 7 of the engine compartment is connected to a front bulkhead cross member.

[0044] The upper finger beam 8 is flush with the front end frame in height;

[0045] The upper longitudinal beam 7 of the engine compartment has the same length as a longitudinal beam 6 of the engine compartment.

[0046] A double-wishbone aluminum alloy shock tower structure, the thickness of a front and rear support connecting beam 5 of the shock tower is more than 5 mm thinner than that of the front support beam 4.1 and the rear support beam 4.2 of the shock tower, which is convenient for avoiding welds.

[0047] A double-wishbone aluminum alloy shock tower structure, the shock tower seat 1 includes a front cross beam 1.2 of the shock tower seat, a rear cross beam 1.3 of the shock tower seat and an upper control arm mounting point 1.4, which is an integrally extruded profile; its cross section is shown in Figure 4 .

[0048] A double-wishbone aluminum alloy shock tower structure, the shock tower structure includes a shock tower seat 1, a front mounting beam 2.1 of an upper control arm, a wheelhouse liner 3, a front support beam 4.1 of the shock tower, a rear support beam 4.2 of the shock tower, a front and rear support connecting beam 5 of the shock tower, a longitudinal beam 6 of the engine compartment, an upper longitudinal beam 7 of the engine compartment, an upper finger beam 8, a front mounting sleeve 2.2 of the upper control arm and a rear mounting sleeve 2.4 of the upper control arm;

[0049] The shock tower seat 1 is used to be restricted by the upper control arm 10 of the front suspension and the upper strut 9, has a certain stiffness and strength, and is used to increase the force transmission path;

[0050] The front cross beam 1.2 and the rear cross beam 1.3 of the shock absorber tower base have beam structures with a certain cross-sectional area, which are used to transmit the force input by the front suspension to the front support beam 4.1 of the shock absorber tower and the upper finger beam 8;

[0051] The front mounting beam 2.1 of the upper control arm is used to provide a mounting point for the front mounting sleeve 2.2 of the upper control arm;

[0052] The rear mounting beam 2.3 of the upper control arm is used to provide a mounting point for the rear mounting sleeve 2.4 of the upper control arm;

[0053] The wheelhouse fender 3 avoids the spring envelope, acts as a wheel fender, and protects the engine compartment environment;

[0054] The front and rear support connecting beam 5 of the shock absorber tower is used to connect the front support beam 4.1 and the rear support beam 4.2 of the shock absorber tower;

[0055] The longitudinal beam 6 of the engine compartment is used to receive the force transmitted by the front support beam 4.1 and the rear support beam 4.2 of the shock absorber tower;

[0056] The upper longitudinal beam 7 of the engine compartment is used to receive the force transmitted by the shock absorber tower base 1 and transmit it to the front end frame and the front cross beam;

[0057] The upper finger beam 8 is used to receive the force transmitted by the shock absorber tower base 1.

[0058] A double-wishbone aluminum alloy shock absorber tower structure, the shock absorber tower base 1 includes a front cross beam 1.2, a rear cross beam 1.3 and an upper control arm mounting point 1.4 of the shock absorber tower base. The front cross beam 1.2 and the rear cross beam 1.3 of the shock absorber tower base are used to be respectively connected to the upper longitudinal beam 7 and the upper finger beam 8 of the engine compartment. As Figure 4 shown.

[0059] As Figure 5 shown, a layout method of the shock absorber tower beam system of a double-wishbone aluminum alloy shock absorber tower structure. The layout method of the shock absorber tower beam system is specifically as follows: during the driving of the vehicle, the forces received by the upper control arm and the upper strut mounting point are transmitted and dispersed through the beam system structure, away from the force transmission path; the forces are transmitted through the front cross beam 1.2 and the rear cross beam 1.3 of the shock absorber tower base 1, the front mounting beam 2.1 of the upper control arm and the rear mounting sleeve 2.4 of the upper control arm, to the outer side to the upper finger beam 8, and to the inner side to the front support beam 4.1 and the rear support beam 4.2 of the shock absorber tower. The front support beam 4.1 and the rear support beam 4.2 of the shock absorber tower transmit the forces to the upper longitudinal beam 7 and the longitudinal beam 6 of the engine compartment. The upper finger beam 8, the upper longitudinal beam 7 and the longitudinal beam 6 of the engine compartment transmit the forces to the vehicle body beam system.

Claims

1. A double-wishbone aluminum profile shock tower structure, characterized in that, the shock tower structure includes a shock tower base (1), a front upper control arm mounting beam (2.1), a wheelhouse fender (3), a front shock tower support beam (4.1), a rear shock tower support beam (4.2), a front and rear shock tower support connecting beam (5), an engine compartment longitudinal beam (6), an upper engine compartment longitudinal beam (7), and an upper finger beam (8); above the engine compartment longitudinal beam (6), the front shock tower support beam (4.1) and the rear shock tower support beam (4.2) are arranged in parallel. The top ends of the front shock tower support beam (4.1) and the rear shock tower support beam (4.2) are provided with the upper engine compartment longitudinal beam (7). A wheelhouse fender (3) is arranged between the front shock tower support beam (4.1) and the rear shock tower support beam (4.2). The upper end of the wheelhouse fender (3) is provided with a shock tower base (1). The front end of the shock tower base (1) is connected to the front end of the front upper control arm mounting beam (2.1) to connect the upper finger beam (8); the front shock tower support beam (4.1) is connected to the front upper control arm mounting beam (2.1), the rear shock tower support beam (4.2) is connected to the rear upper control arm mounting beam (2.3), and a shock tower base (1) is arranged between the rear upper control arm mounting beam (2.3) and the front upper control arm mounting beam (2.1); the front upper control arm mounting beam (2.1) is provided with a front upper control arm mounting sleeve (2.2); the rear upper control arm mounting beam (2.3) is provided with a rear upper control arm mounting sleeve (2.4); the shock tower base (1) includes a front shock tower base cross beam (1.2), a rear shock tower base cross beam (1.3), and an upper control arm mounting point (1.4). The front shock tower base cross beam (1.2) and the rear shock tower base cross beam (1.3) are used to be respectively connected to the upper engine compartment longitudinal beam (7) and the upper finger beam (8).

2. The double-wishbone aluminum profile shock tower structure according to claim 1, characterized in that, the shock tower base (1) is provided with an upper shock absorber strut avoidance hole (1.1), and four mounting holes are evenly distributed around the upper shock absorber strut avoidance hole (1.1).

3. The double-wishbone aluminum profile shock tower structure according to claim 1, characterized in that, the front end of the upper engine compartment longitudinal beam (7) is connected to the front end frame, and the rear section of the upper engine compartment longitudinal beam (7) is connected to the front bulkhead cross beam.

4. The double-wishbone aluminum profile shock tower structure according to claim 1, characterized in that, the thickness of the front and rear shock tower support connecting beam (5) is more than 5 mm thinner than that of the front shock tower support beam (4.1) and the rear shock tower support beam (4.2), which is convenient for weld avoidance.

5. The double-wishbone aluminum profile shock tower structure according to claim 1, characterized in that, the front shock tower base cross beam (1.2), the rear shock tower base cross beam (1.3), and the upper control arm mounting point (1.4) are integrally extruded profiles.

6. The double-wishbone aluminum profile shock tower structure according to claim 5, characterized in that, the shock tower base (1) is used to be restricted by the front suspension upper control arm and the upper shock absorber strut, and is used to increase the force transmission path; The shock tower seat front cross beam (1.2) and the shock tower seat rear cross beam (1.3) are used to transmit the force input by the front suspension to the shock tower front support beam (4.1) and the upper finger beam (8); The upper control arm front mounting beam (2.1) is used to provide a mounting point for the upper control arm front mounting sleeve (2.2); An upper control rear mounting beam (2.3) is used to provide a mounting point for an upper control arm rear mounting sleeve (2.4); The wheel guard plate (3) avoids the spring envelopment and acts as a wheel guard to protect the cabin environment; The shock-absorbing tower front and rear support connecting beams (5) are used to connect the shock-absorbing tower front support beam (4.1) and the shock-absorbing tower rear support beam (4.2); The cabin longitudinal beam (6) is used to receive the force transmitted by the shock tower front support beam (4.1) and the shock tower rear support beam (4.2); The cabin upper longitudinal beam (7) is used to receive the force transmitted by the shock tower seat (1) and transmit it to the front frame and the front wall cross beam; The upper finger beam (8) is used to receive the force transmitted by the shock absorbing tower seat (1).

7. The method for arranging the beam system of the double-wishbone aluminum profile shock tower structure according to claim 6, It is characterized in that The shock tower beam arrangement method is specifically as follows: during the driving of the vehicle, the force received by the upper control arm and the upper sliding column mounting point is transmitted and dispersed through the beam system structure, and the distance force transmission path is small; the force is transmitted through the shock tower seat front cross beam (1.2) and the shock tower seat rear cross beam (1.3), the upper control arm front mounting beam (2.1) and the upper control arm rear mounting sleeve (2.4) of the shock tower seat (1), and the outer side reaches the upper finger beam (8), and the inner side reaches the shock tower front support beam (4.1) and the shock tower rear support beam (4.2); the shock tower front support beam (4.1) and the shock tower rear support beam (4.2) transmit the force to the cabin upper longitudinal beam (7) and the cabin longitudinal beam (6), and the upper finger beam (8), the cabin upper longitudinal beam (7) and the cabin longitudinal beam (6) transmit the force to the whole vehicle beam system.

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