CN218316910U

CN218316910U - Frame type full-extrusion aluminum alloy auxiliary frame angle joint structure

Info

Publication number: CN218316910U
Application number: CN202221749586.8U
Authority: CN
Inventors: 罗世兵; 姚李军; 张琳; 王立忠; 糜罕峰; 刘学君
Original assignee: Changchun Yousheng Automobile Technology Co ltd
Current assignee: Changchun Yousheng Automobile Technology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-01-17
Anticipated expiration: 2032-07-08

Abstract

The utility model provides a frame type full-extrusion aluminum alloy auxiliary frame angle joint structure, which comprises an automobile body mounting bracket connected with an automobile body, wherein the automobile body mounting bracket is connected with a crossbeam, a plurality of pairs of extrusion flanges which are arranged at intervals are arranged on the crossbeam, and a longitudinal beam is arranged between any pair of extrusion flanges; any pair of the extrusion flanging comprises a third flat plate and a fourth flat plate which are arranged in parallel, and one end of the longitudinal beam is positioned between the third flat plate and the fourth flat plate. The utility model discloses a through extrusion turn-ups overlap joint between crossbeam and the longeron, the structural design requirement of frame sub vehicle frame angular joint position has been satisfied to the effectual fatigue strength and the durability that promote the structure of turn-ups overlap joint type.

Description

Frame type full-extrusion aluminum alloy auxiliary frame angle joint structure

Technical Field

The utility model relates to an automobile aluminum alloy structural part technical field, concretely relates to frame full extrusion aluminum alloy sub vehicle frame angle joint structure.

Background

In recent years, the demand for lightweight automobiles is increasing, aluminum alloy is applied to structural members of various systems of automobiles in a large quantity, and particularly, the aluminum alloy is applied more and more in the field of auxiliary frames of chassis. In particular, extruded aluminum alloys have found widespread use in automobiles due to the variety of grades and higher yield strength and elongation compared to cast aluminum alloys. The following technical drawbacks exist: due to the technical characteristics of the extrusion process, the structure of the extrusion process is formed by two-dimensional stretching, and in a more complex structural design, a large amount of machining is needed to meet the structural requirement, so that the product cost is increased.

How to satisfy the structural design of frame sub vehicle frame corner joint position through simple structural design becomes the problem that needs to solve urgently.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a frame full extrusion aluminum alloy sub vehicle puts up corner joint structure to solve above-mentioned at least one technical problem.

The technical scheme of the utility model is that: the utility model provides a frame full extrusion aluminum alloy sub vehicle puts up corner joint structure, includes the automobile body installing support with the automobile body coupling, the automobile body installing support is connected with the crossbeam, is provided with the extrusion turn-ups that the several pairs of interval was arranged on the crossbeam, all is provided with the longeron between arbitrary a pair of extrusion turn-ups.

The utility model discloses a through extrusion turn-ups overlap joint between crossbeam and the longeron, the effectual fatigue strength and the durability that promotes the structure of turn-ups overlap joint type have satisfied the structural design requirement of frame sub vehicle frame angular joint position.

Preferably, the cross beam comprises a fourth frame, the fourth frame is a first horizontal reversed-letter-shaped frame, a second inclined plate is arranged in the first horizontal reversed-letter-shaped frame, the second inclined plate is located on the diagonal line of the first horizontal reversed-letter-shaped frame, and the upper end of the second inclined plate is located on the side close to the extrusion flanging.

The utility model discloses a crossbeam adopts many die cavities cross-section pattern, has strengthened about, end Y to rigidity and intensity, has promoted the atress that twists reverse of crossbeam self, has turn-ups and longeron welding simultaneously, and turn-ups overlap joint pattern can effectively promote the fatigue durability of this structure.

Drawings

Fig. 1 is a schematic view of the installation structure of the present invention.

Fig. 2 is a schematic cross-sectional view of the vehicle body mounting bracket of the present invention.

Fig. 3 is a schematic view of the mounting structure of the car body mounting bracket and the cross beam of the present invention.

Fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.

Fig. 5 is a schematic view of the mounting structure of the cross beam and the longitudinal beam of the present invention.

In the figure: 1. a vehicle body mounting bracket; 2. a cross beam; 3. a stringer; 101. a first frame; 102. a second frame; 103. a third frame; 201. a fourth frame; 202. and (5) extruding and flanging.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-5, the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Embodiment one, a frame full extrusion aluminum alloy sub vehicle frame angular joint structure refer to fig. 1, fig. 4, include the body installing support 1 with vehicle body connection, body installing support 1 is connected with crossbeam 2, is provided with the extrusion turn-ups 202 that the several pairs of intervals were arranged on the crossbeam 2, all is provided with longeron 3 between arbitrary a pair of extrusion turn-ups 202. Any pair of the press flanges 202 includes a third flat plate and a fourth flat plate arranged in parallel, and one end of the longitudinal beam 3 is located between the third flat plate and the fourth flat plate. The utility model discloses a through extrusion turn-ups overlap joint between crossbeam and the longeron, the effectual fatigue strength and the durability that promotes the structure of turn-ups overlap joint type have satisfied the structural design requirement of frame sub vehicle frame angular joint position.

In the second embodiment, on the basis of the first embodiment, referring to fig. 2, the vehicle body mounting bracket 1 includes a first frame 101, the first frame 101 is a Z-shaped structure, an included angle between a middle plate and an upper transverse plate of the Z-shaped structure is a first obtuse angle, an included angle between the middle plate and a lower transverse plate of the Z-shaped structure is a second obtuse angle, and the first obtuse angle is the same as the second obtuse angle. The utility model discloses a body mounting bracket of Z type structure can separate automobile body and aluminum alloy sub vehicle frame when connecting automobile body and aluminum alloy sub vehicle frame.

In the third embodiment, on the basis of the second embodiment, the upper transverse plate of the Z-shaped structure is a trapezoidal block, wherein the lower bottom surface of the trapezoidal block is connected with the middle plate of the Z-shaped structure, a waist-shaped hole penetrating through the trapezoidal block from front to back is formed in the waist of the trapezoidal block, and the long axis of the waist-shaped hole is located in the vertical direction; the top surface center of trapezoidal piece is provided with first through-hole. The middle plate of the Z-shaped structure comprises an upper inclined plate and a lower inclined plate, the upper inclined plate is respectively connected with the upper transverse plate top surface and the lower transverse plate top surface of the Z-shaped structure, the lower inclined plate is respectively connected with the upper transverse plate bottom surface and the lower transverse plate bottom surface of the Z-shaped structure, a V-shaped support with a downward opening is arranged between the upper inclined plate and the lower inclined plate, and two opening ends of the V-shaped support are respectively connected with two ends of the lower inclined plate. The lower transverse plate of the Z-shaped structure comprises a first flat plate and a second flat plate which are arranged in parallel, a first inclined plate is arranged between the first flat plate and the second flat plate, the first inclined plate is connected with an upper inclined plate, the second flat plate is positioned below the first flat plate, and one end, far away from the Z-shaped structure middle plate, of the second flat plate exceeds the first flat plate. The utility model discloses an adopt complicated cross-section in first frame, guaranteed the joint strength of sub vehicle frame.

In the fourth embodiment, on the basis of the third embodiment, a second frame 102 is disposed on the top surface of one end of the second flat plate, which exceeds the first flat plate, the second frame 102 is a U-shaped structure, and the second flat plate is a bottom plate of the U-shaped structure. The utility model discloses a second frame of U type structure has guaranteed the joint strength with the second frame.

Fifth, on the basis of the third embodiment, a third frame 103 is arranged below the second flat plate, the third frame 103 is an inverted L-shaped structure, the second flat plate is a transverse plate of the L-shaped structure, a vertical plate of the L-shaped structure is located below a connecting end of the second flat plate and the lower transverse plate, and the cross beam 2 is installed in an included angle of the L-shaped structure. The utility model discloses an automobile body installing support passes through L type structure overlap joint with the crossbeam, has guaranteed welding strength.

Sixth embodiment, in addition to the fifth embodiment, referring to fig. 3 and 4, the cross beam 2 includes a fourth frame 201, the fourth frame 201 is a first horizontal herringbone frame, the first herringbone frame is a 60 × 60mm profile, a second inclined plate is disposed in the first horizontal herringbone frame, the second inclined plate is disposed on a diagonal line of the first horizontal herringbone frame, and an upper end of the second inclined plate is disposed on a side close to the crush-flange 202. The utility model discloses a crossbeam adopts many die cavities cross-section pattern, has strengthened about to hold Y to rigidity and intensity, has promoted the atress that twists reverse of crossbeam self, has turn-ups and longeron welding simultaneously, and turn-ups overlap joint pattern can effectively promote the fatigue durability of this structure.

Seventh embodiment, on the basis of the first embodiment, referring to fig. 5, the longitudinal beam 3 is a second horizontal rectangular frame, and two first collapsing holes are arranged at one end of the longitudinal beam 3 close to the extrusion flanging 202, and are respectively located on two edge lines of the upper plane of the longitudinal beam 3; one end of the longitudinal beam 3, which is far away from the extrusion flanging 202, is provided with two second collapse holes, and the two second collapse holes are respectively located on two ridge lines of the lower plane of the longitudinal beam 3. The utility model discloses a shrinkage cavity bursts, and the longeron can burst the energy-absorbing that contracts when the collision.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a frame full extrusion aluminum alloy sub vehicle puts up corner joint structure, includes vehicle body installing support (1) with the automobile body coupling, its characterized in that: the automobile body installing support (1) is connected with the crossbeam (2), is provided with extrusion turn-ups (202) that several pairs of intervals were arranged on crossbeam (2), all is provided with longeron (3) between arbitrary a pair of extrusion turn-ups (202).

2. The corner joint structure for the frame type full-extruded aluminum alloy subframe according to claim 1, wherein: the automobile body installing support (1) comprises a first frame (101), wherein the first frame (101) is of a Z-shaped structure, an included angle between an intermediate plate of the Z-shaped structure and an upper transverse plate is a first obtuse angle, an included angle between the intermediate plate of the Z-shaped structure and a lower transverse plate is a second obtuse angle, and the first obtuse angle is the same as the second obtuse angle.

3. The corner joint structure for the frame type full-extruded aluminum alloy subframe according to claim 2, wherein: the upper transverse plate of the Z-shaped structure is a trapezoidal block, the lower bottom surface of the trapezoidal block is connected with the middle plate of the Z-shaped structure, a waist-shaped hole which penetrates through the waist of the trapezoidal block from front to back is formed in the waist of the trapezoidal block, and the long axis of the waist-shaped hole is located in the vertical direction; the top surface center of trapezoidal piece is provided with first through-hole.

4. The corner joint structure for the frame type full-extruded aluminum alloy subframe according to claim 2, wherein: the middle plate of the Z-shaped structure comprises an upper inclined plate and a lower inclined plate, the upper inclined plate is respectively connected with the upper transverse plate top surface and the lower transverse plate top surface of the Z-shaped structure, the lower inclined plate is respectively connected with the upper transverse plate bottom surface and the lower transverse plate bottom surface of the Z-shaped structure, a V-shaped support with a downward opening is arranged between the upper inclined plate and the lower inclined plate, and two opening ends of the V-shaped support are respectively connected with two ends of the lower inclined plate.

5. The corner joint structure for the frame type full-extruded aluminum alloy subframe according to claim 4, wherein: the lower transverse plate of the Z-shaped structure comprises a first flat plate and a second flat plate which are arranged in parallel, a first inclined plate is arranged between the first flat plate and the second flat plate, the first inclined plate is connected with an upper inclined plate, the second flat plate is positioned below the first flat plate, and one end, far away from the Z-shaped structure middle plate, of the second flat plate exceeds the first flat plate.

6. The corner joint structure for the frame type full-extruded aluminum alloy subframe according to claim 5, wherein: a second frame (102) is arranged on the top surface of one end, exceeding the first flat plate, of the second flat plate, the second frame (102) is of a U-shaped structure, and the second flat plate is a bottom plate of the U-shaped structure.

7. The corner joint structure for the frame type full-extruded aluminum alloy subframe according to claim 5, wherein: a third frame (103) is arranged below the second flat plate, the third frame (103) is of an inverted L-shaped structure, the second flat plate is a transverse plate of the L-shaped structure, a vertical plate of the L-shaped structure is located below the connecting end of the second flat plate and the lower transverse plate, and the cross beam (2) is installed in an included angle of the L-shaped structure.

8. The corner joint structure for the frame type full-extruded aluminum alloy subframe according to claim 7, wherein: the cross beam (2) comprises a fourth frame (201), the fourth frame (201) is a first horizontal reversed V-shaped frame, a second inclined plate is arranged in the first horizontal reversed V-shaped frame and located on the diagonal line of the first horizontal reversed V-shaped frame, and the upper end of the second inclined plate is located on one side close to the extrusion flanging (202).

9. The corner joint structure of the frame type full-extruded aluminum alloy auxiliary frame according to claim 1, characterized in that: any pair of the extrusion flanging (202) comprises a third flat plate and a fourth flat plate which are arranged in parallel, and one end of the longitudinal beam (3) is positioned between the third flat plate and the fourth flat plate.

10. The corner joint structure for the frame type full-extruded aluminum alloy subframe according to claim 1, wherein: the longitudinal beam (3) is a transverse second B-shaped frame, two first collapse holes are formed in one end, close to the extrusion flanging (202), of the longitudinal beam (3), and the two first collapse holes are located on two edge lines of the upper plane of the longitudinal beam (3) respectively; one end of the longitudinal beam (3) far away from the extrusion flanging (202) is provided with two second collapse holes which are respectively positioned on two ridge lines of the lower plane of the longitudinal beam (3).