CN222946851U - Novel auxiliary frame after stamping and welding - Google Patents

Abstract

The utility model discloses a novel stamping and welding rear auxiliary frame which comprises a front cross beam, a front upper control arm, a front lower control arm and a front lower swing arm supporting plate, wherein the front upper control arm is arranged on the outer side of a longitudinal beam on the left side and the right side, the outer side of the longitudinal beam is fixedly provided with a rear control arm, the inner side of the front cross beam is provided with a first reinforcing plate and a second reinforcing plate, the top end of the front cross beam is fixedly provided with a suspension bracket, the inner side of the suspension bracket is fixedly provided with a suspension reinforcing plate, the front lower swing arm supporting plate is fixedly connected with the lower longitudinal beam plate, the front upper control arm comprises a front bracket and a rear bracket, and the overall structural design of the front bracket structure of the front upper control arm is L-shaped. This novel sub vehicle frame welding efficiency is high after punching press welding, and preceding control arm rigidity improves, and the stability of part improves, can avoid the split structure to appear the precision poor because of welding deformation, phenomenon such as assembly difficulty, and can reduce the part and warp too big and lead to the part inefficacy.

Description

Novel auxiliary frame after stamping and welding

Technical Field

The utility model relates to the technical field of automobile chassis structural parts, in particular to a novel auxiliary frame after stamping and welding.

Background

Common chassis suspension structure of automobile design has macpherson's formula independent suspension, two yoke independent suspension, many connecting rods independent suspension, E type four-bar linkage etc. no matter what form's suspension structure, the sub vehicle frame all need design around the control arm, be connected with the center of wheel of whole car, be main atress spare, guarantee the normal running of vehicle, consequently, structural design and the welding mode of control arm are crucial to overall performance and stability, overlap joint mode will influence rigidity, intensity, tired durable etc. for guaranteeing the normal use of vehicle, avoid leading to the sub vehicle frame inefficacy because of control arm mounting point performance is not enough around, and then initiate the incident.

The spring arm on the five-link auxiliary frame is used as a main lateral force bearing component, and has higher requirement on Y-direction rigidity. The general auxiliary frame is that the Y-direction rigidity of the lifting transverse swing arm can be on the left and right spring arm supports, and is connected with a cross beam, so that the left and right spring arm supports are connected into a whole, and the rigidity of spring arm points is improved. This structure has the following disadvantages:

1. The cross rod must span the auxiliary frame, the space requirement is higher, the arrangement space of the motor, the exhaust pipe, the bottom guard plate and the like around the auxiliary frame is reduced;

2. The cross bars are connected through bolts, the stress at the connecting positions is larger, the cross bars and the support are required to be designed thicker, and assembly procedures are required to be added, so that the reliability of connection is reduced, and the cost and the weight are improved;

3. the cross bar has limited elevation of the control arm Y-stiffness.

The existing novel auxiliary frame after stamping and welding is connected through bolts, so that the connection stability is low, the assembly is difficult, and parts are easy to lose efficacy.

Disclosure of utility model

The utility model aims to provide a novel auxiliary frame after stamping and welding, which aims to solve the problems that the existing novel auxiliary frame after stamping and welding is connected through bolts in the prior art, so that the connection stability is low, the assembly is difficult and parts are easy to fail.

In order to achieve the above purpose, the novel stamping and welding auxiliary frame comprises a front cross beam, a front upper control arm, a front lower control arm and a front lower swing arm support plate, wherein the front upper control arm is arranged on the outer sides of longitudinal beams on the left side and the right side, the rear control arm is fixedly arranged on the outer sides of the longitudinal beams, a first reinforcing plate and a second reinforcing plate are arranged on the inner sides of the front cross beam, a suspension support is fixedly arranged at the top end of the front cross beam, a suspension reinforcing plate is fixedly arranged on the inner sides of the suspension support, the front lower control arm is arranged at the bottom of the longitudinal beams, and the front lower swing arm support plate is fixedly connected with the lower longitudinal beam plate.

Preferably, the front upper control arm includes a front bracket and a rear bracket.

Preferably, the front bracket structure of the front upper control arm is designed to be L-shaped in overall structure.

Preferably, the front support of the front upper control arm is respectively overlapped with the upper plates of the longitudinal beam and the front cross beam through a flanging structure.

Preferably, the rear bracket of the front upper control arm is connected with the longitudinal beam lower plate through the front lower swing arm supporting plate.

Preferably, the front and rear plates of the rear control arm are respectively overlapped and welded with the upper and lower surfaces of the longitudinal beam.

Preferably, the first reinforcing plate and the second reinforcing plate are arranged on the lower side and the two ends of the front plate and the rear plate of the longitudinal beam.

Compared with the prior art, the novel stamping and welding auxiliary frame has the beneficial effects that the novel stamping and welding auxiliary frame is high in welding efficiency, the rigidity of the front control arm is improved, the stability of parts is improved, the phenomena that the split structure is poor in precision and difficult to assemble due to welding deformation and the like can be avoided, and the part failure caused by overlarge part deformation can be reduced.

1. The front upper control arm is arranged and is of a split type structure and divided into a front bracket and a rear bracket, so that the structure is simple, the welding is convenient, the front and rear plates of the rear control arm are respectively overlapped and welded with the upper surface and the lower surface of the longitudinal beam, and the reliability, the strength and the rigidity of the connection are improved;

Furthermore, the overall structure of the front bracket structure of the front upper control arm is designed to be L-shaped, and the front bracket structure is respectively overlapped with the upper plates of the longitudinal beam and the front cross beam through a flanging structure, so that the stability of parts is improved;

2. The first reinforcing plate and the second reinforcing plate are arranged on the inner side of the front cross beam, and the rigidity of the front control arm can be effectively improved;

Further, the first reinforcing plate and the second reinforcing plate are arranged on the lower side and the two ends of the front plate and the rear plate of the longitudinal beam, so that the stability of the connecting part of the longitudinal beam is improved;

3. Be provided with suspension support and suspension reinforcing plate, suspension support is 3 point assembled structures, adopts integral type stamping workpiece structure, has avoided the components of a whole that can function independently structure to appear the precision poor because of welding deformation, phenomenon such as assembly difficulty, and suspension support is equipped with the reinforcing plate structure, reduces the part and warp too big and lead to the part inefficacy.

Drawings

FIG. 1 is a schematic view of a first perspective structure of the present utility model;

FIG. 2 is a schematic view of a second perspective structure of the present utility model;

FIG. 3 is a schematic view of a third perspective structure of the present utility model;

Fig. 4 is a schematic perspective view of a fourth embodiment of the present utility model.

In the figure, 1, a front cross beam, 2, a longitudinal beam, 3, a front upper control arm, 4, a front lower control arm, 5, a front lower swing arm supporting plate, 6, a rear control arm, 7, a first reinforcing plate, 8, a second reinforcing plate, 9, a suspension bracket and 10, a suspension reinforcing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions:

Embodiment one: the control arm design structure is comparatively complicated before current novel punching press welding back sub vehicle frame, and welding efficiency is lower, and preceding control arm rigidity is lower, for solving this technical problem, this embodiment discloses following technical content:

The novel stamping and welding rear auxiliary frame comprises a front cross beam 1, a front upper control arm 3, a front lower control arm 4 and a front lower swing arm supporting plate 5, wherein the front upper control arm 3 is arranged on the outer side of a longitudinal beam 2 on the left side and the right side, a rear control arm 6 is fixedly arranged on the outer side of the longitudinal beam 2, a first reinforcing plate 7 and a second reinforcing plate 8 are arranged on the inner side of the front cross beam 1, a suspension bracket 9 is fixedly arranged at the top end of the front cross beam 1, a suspension reinforcing plate 10 is fixedly arranged on the inner side of the suspension bracket 9, the front lower control arm 4 is arranged at the bottom of the longitudinal beam 2, and the front lower swing arm supporting plate 5 is fixedly connected with the lower plate of the longitudinal beam 2;

As shown in fig. 1, 3 and 4, the front upper control arm 3 is designed into a two-piece structure, and is divided into a front bracket and a rear bracket, the split type structure is simple, the welding efficiency is high, the overall structure of the front upper control arm 3 front bracket is designed into an L shape, the front upper control arm 3 rear bracket is respectively overlapped with the upper plate of the longitudinal beam 2 and the upper plate of the front cross beam 1 through a flanging structure, the front upper control arm 3 rear bracket is overlapped with the longitudinal beam 2 up and down through a flanging structure, and the inner side of the front cross beam 1 is provided with a first reinforcing plate 7 and a second reinforcing plate 8, so that the rigidity of the front control arm can be effectively improved;

Embodiment two: the stability, strength and rigidity of the connection of the parts of the prior novel auxiliary frame after stamping and welding are all lower, and in order to solve the technical problem, the embodiment discloses the following technical contents:

As shown in fig. 1-4, the front lower control arm 4 is designed into a two-piece structure, and is divided into a front bracket and a rear bracket, the front bracket of the front lower control arm 4 is welded with the front cross beam 1 and the longitudinal beam 2, the rear bracket of the front lower control arm 4 is connected with the lower plate of the longitudinal beam 2 through a front lower swing arm supporting plate 5, so that the reliability of connection is improved, the strength and the rigidity are both improved, the front and rear plates of the rear control arm 6 are respectively lapped and welded with the upper and lower surfaces of the longitudinal beam 2, and the lower sides and the two ends of the front and rear plates of the longitudinal beam 2 are respectively provided with a first reinforcing plate 7 and a second reinforcing plate 8, so that the stability of parts is improved;

embodiment III: the existing novel auxiliary frame after stamping and welding possibly has the problems of poor precision, difficult assembly and the like due to welding deformation, parts are easy to deform or lose efficacy, and in order to solve the technical problem, the embodiment discloses the following technical contents:

As shown in fig. 1-4, the suspension bracket 9 is fixedly mounted at the top end of the front cross beam 1, the front suspension bracket 9 is of a 3-point assembly type structure, an integrated stamping part structure is adopted, the problem that the split structure is poor in precision due to welding deformation is avoided, and the suspension reinforcing plate 10 is fixedly mounted at the inner side of the suspension bracket 9, so that part failure caused by overlarge part deformation can be reduced.

The above is accomplished by a series of operations of the blending and regenerating cotton yarn pressing device, and what is not described in detail in the present specification belongs to the prior art known to those skilled in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. Novel auxiliary frame behind punching press welding, including preceding crossbeam (1), preceding upper control arm (3), preceding lower control arm (4) and preceding lower swing arm backup pad (5), its characterized in that:

The front upper control arm (3) is arranged on the outer sides of longitudinal beams (2) on the left side and the right side, rear control arms (6) are fixedly arranged on the outer sides of the longitudinal beams (2), a first reinforcing plate (7) and a second reinforcing plate (8) are arranged on the inner sides of the front cross beams (1), a suspension support (9) is fixedly arranged on the top end of the front cross beams (1), a suspension reinforcing plate (10) is fixedly arranged on the inner sides of the suspension support (9), the front lower control arms (4) are arranged on the bottoms of the longitudinal beams (2), and a front lower swing arm supporting plate (5) is fixedly connected with the lower plates of the longitudinal beams (2).

2. A novel press welded subframe according to claim 1, wherein the front upper control arm (3) comprises a front bracket and a rear bracket.

3. A novel stamping and welding auxiliary frame as claimed in claim 1, wherein the front bracket structure of the front upper control arm (3) is L-shaped in overall structural design.

4. The novel stamping and welding auxiliary frame disclosed in claim 1 is characterized in that the front bracket of the front upper control arm (3) is respectively overlapped with the upper plates of the longitudinal beam (2) and the front cross beam (1) through flanging structures.

5. The novel stamping and welding auxiliary frame according to claim 1 is characterized in that a rear bracket of the front upper control arm (3) is connected with a lower plate of the longitudinal beam (2) through a front lower swing arm supporting plate (5).

6. The novel stamping and welding auxiliary frame according to claim 1 is characterized in that the front and rear plates of the rear control arm (6) are respectively overlapped and welded with the upper surface and the lower surface of the longitudinal beam (2).

7. The novel stamping and welding auxiliary frame according to claim 1 is characterized in that a first reinforcing plate (7) and a second reinforcing plate (8) are arranged on the lower side and two ends of the front plate and the rear plate of the longitudinal beam (2).