Transverse thrust rod fixing seat assembly based on rear axle end of 5.9-meter full-load-bearing passenger car

Abstract

The utility model discloses a transverse thrust rod fixing seat assembly based on the rear axle end of a 5.9 m full-load-bearing passenger car, which comprises a rear axle housing, a thrust rod fixing seat and a transverse thrust rod assembly, the thrust rod fixing seat is in the shape of a triangular plate with a set thickness, the bottom end of the thrust rod fixing seat is a curved surface matched with the top end surface of the front side of a rear axle housing mounting hole site, and the transverse thrust rod assembly is arranged in the rear axle housing mounting hole site. The thrust rod fixing base is welded to the top end face of the front side of the rear axle housing, and a transverse thrust rod assembly positioning hole is formed in the top end of the thrust rod fixing base. According to the design, the connecting structure of the thrust rod fixing seat and the rear axle housing of the automobile is simplified, the manufacturing cost of the whole automobile is reduced, and meanwhile the risk that the automobile gets loose after long-time operation due to the defects of bolt connection is eradicated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to passenger car manufacturing part technical field, concretely relates to the transverse thrust link fixing seat assembly based on 5.9 meters full bearing type passenger car rear axle end. BACKGROUND

[0002] The structure of the existing transverse thrust link fixing seat assembly of 5.9 meters full bearing type passenger car rear axle end includes rear axle housing, transverse thrust link assembly, thrust link fixing seat and base, the thrust link fixing seat and the base of 40mm thickness are integrally formed cast steel parts, 6 M14 bolts are needed to connect and fix the thrust link fixing seat and the base during use, and the base is welded to the corresponding position required by the design of the rear axle housing by carbon dioxide gas shielded welding. However, the design of the assembly structure is too complex and heavy, and the manufacturing cost is high, the reliability of the bolt connection mode of the thrust link fixing seat and the base is poor, and there is a risk of loosening after long-time operation of the vehicle. SUMMARY

[0003] The utility model aims at providing a transverse thrust link fixing seat assembly based on 5.9 meters full bearing type passenger car rear axle end, simplifying the connection structure of the thrust link fixing seat and the rear axle housing of the vehicle, reducing the manufacturing cost of the whole vehicle, and eliminating the risk of loosening after long-time operation of the vehicle due to the defects of bolt connection.

[0004] The utility model adopts the technical scheme, the transverse thrust link fixing seat assembly based on 5.9 meters full bearing type passenger car rear axle end includes rear axle housing, thrust link fixing seat and transverse thrust link assembly, the thrust link fixing seat is triangular plate shape with set thickness, the bottom end of thrust link fixing seat is the curved surface matched with the front side top end surface of rear axle housing mounting hole position, and is welded with the front side top end surface of rear axle housing, and the top end of thrust link fixing seat is provided with transverse thrust link assembly positioning hole.

[0005] Further, the thickness of the above-mentioned thrust link fixing seat is 35mm.

[0006] Further, the transverse thrust link assembly positioning hole and the thrust link fixing seat are integrally formed, and a boss is arranged at the connection between the thrust link fixing seat and the transverse thrust link assembly positioning hole.

[0007] Further, the above-mentioned thrust link fixing seat is inclinedly arranged towards the front of the rear axle housing, and the included angle between the transverse thrust link assembly positioning hole and the central axis of the rear axle housing is 30-40°.

[0008] Compared to existing technologies, the advantages of this invention are that the thrust rod mounting base is designed as a triangular plate with a predetermined thickness, and its bottom end is a curved surface that matches the front top surface of the rear axle housing mounting hole. It is then welded to the front top surface of the rear axle housing. This design ensures a larger contact area between the thrust rod mounting base and the rear axle housing during welding, guaranteeing post-weld reliability and overcoming the defect of loosening after prolonged vehicle operation caused by bolted connections. Furthermore, the welding of the thrust rod mounting base to the front top surface of the rear axle housing mounting hole meets the overall vehicle layout design requirements, achieving universality for the 5.9-meter series models. This novel structural assembly features a simple and lightweight design, effectively controlling the consistency of design requirements during manufacturing, significantly reducing manufacturing difficulty, and lowering overall vehicle production and procurement costs, thus achieving the goal of lightweight vehicle design. Attached Figure Description

[0009] Fig. 1 This is a structural schematic diagram of the transverse thrust rod fixing seat assembly;

[0010] Fig. 2 This is a schematic diagram of the structure of the transverse thrust rod fixing seat;

[0011] Fig. 3 This is a side view of the transverse thrust rod mounting assembly. Detailed Implementation

[0012] The present invention will be further explained below with reference to the accompanying drawings to enable those skilled in the art to better understand it.

[0013] Example 1

[0014] like Figs. 1-3 As shown, the lateral thrust rod mounting bracket assembly at the rear axle end of a 5.9-meter fully load-bearing bus includes a rear axle housing 1, a thrust rod mounting bracket 2, and a lateral thrust rod assembly 3. The thrust rod mounting bracket 2 is a triangular plate with a set thickness. The bottom end of the thrust rod mounting bracket 2 has a curved surface that matches the front top surface of the mounting hole position of the rear axle housing 1, and is welded to the front top surface of the rear axle housing 1. A lateral thrust rod assembly positioning hole 201 is opened at the top of the thrust rod mounting bracket 2 for installing the lateral thrust rod assembly 3. The thrust rod mounting bracket 2 with this design has two advantages: firstly, the contact surface between the thrust rod mounting bracket 2 and the rear axle housing 1 is large, which fully ensures the reliability after welding and overcomes the defect of loosening after long-term vehicle operation caused by bolted connections; secondly, the thrust rod mounting bracket 2 is welded to the front top surface of the mounting hole position of the rear axle housing 1, which meets the design requirements of the overall vehicle layout and achieves the effect of universality for the 5.9-meter series models.

[0015] Specifically, the thickness of the aforementioned thrust rod mounting base is 35mm, achieving the goal of lightweighting while meeting strength requirements.

[0016] To ensure the load-bearing capacity of the transverse thrust rod assembly positioning hole 201 on the transverse thrust rod assembly, the transverse thrust rod assembly positioning hole 201 is integrally formed with the thrust rod fixing seat 2, and a boss 202 is provided at the connection between the thrust rod fixing seat 2 and the transverse thrust rod assembly positioning hole 201.

[0017] Furthermore, the aforementioned thrust rod mounting base 2 is inclined towards the front of the rear axle housing 1, and the angle between the transverse thrust rod assembly positioning hole 201 and the central axis of the rear axle housing 1 is 30-40°, which meets the design requirements of the overall vehicle layout and achieves the effect of universalization for the 5.9-meter series models.

[0018] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from its design spirit and principles should fall within the protection scope defined by the claims of the present invention.

Claims

1. A transverse thrust rod mounting bracket assembly based on the rear axle of a 5.9-meter fully load-bearing passenger bus, comprising a rear axle housing (1), a thrust rod mounting bracket (2), and a transverse thrust rod assembly (3), characterized in that, The thrust rod fixing seat (2) is a triangular plate with a set thickness. The bottom end of the thrust rod fixing seat (2) is a curved surface that matches the front top surface of the mounting hole of the rear axle housing (1). It is welded to the front top surface of the rear axle housing. A transverse thrust rod assembly positioning hole (201) is opened at the top of the thrust rod fixing seat (2).

2. The lateral thrust rod fixing seat assembly based on the rear axle end of a 5.9-meter fully load-bearing bus as described in claim 1, characterized in that, The thickness of the thrust rod fixing seat (2) is 35mm.

3. The lateral thrust rod fixing seat assembly based on the rear axle end of a 5.9-meter fully load-bearing bus as described in claim 1, characterized in that, The lateral thrust rod assembly positioning hole (201) and the thrust rod fixing seat (2) are integrally formed, and a boss (202) is provided at the connection between the thrust rod fixing seat (2) and the lateral thrust rod assembly positioning hole (201).

4. The lateral thrust rod fixing seat assembly based on the rear axle end of a 5.9-meter fully load-bearing bus according to claim 1, characterized in that, The thrust rod fixing seat (2) is inclined towards the front of the rear axle housing (1), and the angle between the transverse thrust rod assembly positioning hole (201) and the central axis of the rear axle housing (1) is 30-40°.

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