CN222905660U - 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, longitudinal arms symmetrically arranged at the rear side of the outer end of the front cross beam, a rear control arm rear plate arranged at the rear of the front cross beam, a mounting sleeve fixedly connected with the outer end of the front cross beam and the rear end of the longitudinal arms in a welding mode, and a first connecting structure arranged outside the joint of the front cross beam and the longitudinal arms, wherein the first connecting structure comprises a front upper swing arm and a front lower swing arm, the front lower swing arm is positioned below the front upper swing arm, a second connecting structure is arranged at the inner side of the rear end of the longitudinal arms, the second connecting structure comprises a rear control arm rear plate, a rear control arm front plate, a reinforcing plate, a first reinforcing plate and a second reinforcing plate, and the rear control arm rear plate is fixedly welded in the longitudinal arms. This novel sub vehicle frame behind punching press welding is convenient for overlap joint assembly, makes it have better welding manufacturability and welding efficiency to be convenient for wholly promote rigidity and joint strength of this sub vehicle frame behind punching press welding, guarantee product reliability.

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.

But control arm installing support around most sub vehicle frames on the market at present welds with the sub vehicle frame through longeron more, and the welding form is the sideline overlap joint, and rigidity performance is relatively poor, and the intensity of welding seam is difficult to guarantee, when bearing high load, appears breaking easily, consequently, we propose a novel punching press sub vehicle frame after welding to solve the problem that proposes in the above-mentioned.

Disclosure of utility model

The utility model aims to provide a novel stamping and welding auxiliary frame, which aims to solve the problems that in the background technology, a plurality of auxiliary frame front and rear control arm mounting brackets are welded with an auxiliary frame through longitudinal beams in the prior market, the welding mode is edge overlapping, the rigidity performance is poor, the strength of a welding seam is difficult to ensure, and the welding seam is easy to break when bearing high load.

In order to achieve the aim, the utility model provides the technical scheme that the novel stamping and welding rear auxiliary frame comprises a front cross beam, longitudinal arms symmetrically arranged at the rear side of the outer end of the front cross beam and a rear control arm rear plate arranged at the rear of the front cross beam;

Further comprises:

The outer end of the front cross beam and the rear end of the longitudinal arm are fixedly connected with a mounting sleeve in a welding mode, a first connecting structure is arranged outside the joint of the front cross beam and the longitudinal arm, the first connecting structure comprises a front upper swing arm and a front lower swing arm, and the front lower swing arm is positioned below the front upper swing arm;

The inside second connection structure that is provided with of rear end of trailing arm, wherein second connection structure is including back control arm back plate, back control arm front bezel, gusset plate, first gusset plate and second gusset plate, and back control arm back plate welded fastening is in the trailing arm.

Preferably, the front cross beam which is arranged by the front end of the longitudinal arm in a fitting way is fixedly connected in a welding way, the outer end of the longitudinal arm is of an L-shaped structure, and the front cross beam and the longitudinal arm are of a tubular beam structure.

Preferably, the lower end flange of the front upper swing arm is lapped on the front cross beam and the longitudinal arm, the upper end flange of the front lower swing arm is lapped under the front cross beam and the longitudinal arm, and the flanges of the front upper swing arm and the front lower swing arm are welded and fixed with the front cross beam and the longitudinal arm.

Preferably, the front end upper side of the rear control arm rear plate is lapped with a rear control arm front plate, and two ends of the rear control arm front plate are welded and fixed with the trailing arm.

Preferably, the left end and the right end of the rear control arm rear plate are symmetrically fixed with a reinforcing plate, and the outer upper side of the reinforcing plate is connected with a longitudinal arm which is fixed with the reinforcing plate in a nested manner.

Preferably, the middle lower sides of the rear control arm rear plate and the rear control arm front plate are attached and provided with first reinforcing plates fixed with the rear control arm rear plate and the rear control arm front plate, the outer sides of the first reinforcing plates are symmetrically provided with second reinforcing plates, and the second reinforcing plates are welded and fixed on the lower sides of the longitudinal arms, the rear control arm rear plate and the rear control arm front plate.

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 convenient for lap joint assembly, has better welding manufacturability and welding efficiency, is convenient for integrally improving the rigidity and the connection strength of the stamping and welding auxiliary frame, and ensures the reliability of products;

1. The front cross beam, the longitudinal arms and the mounting sleeves are arranged, and the symmetrically arranged longitudinal arms are welded on the rear side of the outer end of the front cross beam, and the mounting sleeves are welded and fixed on the outer ends of the front cross beam and the longitudinal arms, so that the auxiliary frame after stamping and welding is convenient to be of an integrated suspension structure, and the assembly precision is improved;

2. Is provided with a front cross beam, a longitudinal arm, a front upper swing arm and a front lower swing arm, as the front cross beam and the outer upper side of the longitudinal arm are attached and provided with the front upper swing arm with the outer end lap joint, the front lower swing arm with the outer end being overlapped with the front cross beam and the longitudinal arm is arranged below the front upper swing arm, so that the front end of the auxiliary frame after stamping and welding is of a split type structure, the structure is simple, the welding efficiency is high, and the rigidity is effectively improved;

3. Is provided with a longitudinal arm, a rear control arm rear plate, a rear control arm front plate and a reinforcing plate, wherein the rear control arm rear plate and the rear control arm front plate are fixedly connected to the inner side of the rear end of the longitudinal arm, the rear control arm front plate is lapped and fixed in front of the rear control arm rear plate, the reinforcing plate is welded and fixed on the outer rear side of the rear plate of the longitudinal arm and the rear control arm, so that the reliability of the connection of the rear end of the auxiliary frame after stamping and welding is improved, and the strength and the rigidity are improved;

4. The lower side of the middle part and the lower side of the outer end of the rear control arm rear plate and the rear control arm front plate are respectively provided with the first reinforcing plate and the second reinforcing plate, the first reinforcing plate is welded and fixed under the rear control arm rear plate and the rear control arm front plate, and the second reinforcing plate which is symmetrically arranged on the outer side of the first reinforcing plate is welded and fixed on the lower sides of the longitudinal arm, the rear control arm rear plate and the rear control arm front plate, so that the connection of the longitudinal arm, the rear control arm rear plate and the rear control arm front plate is convenient to strengthen, and the stability of the auxiliary frame after punching and welding is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model in front view;

FIG. 2 is a schematic diagram of the overall rear view structure of the present utility model;

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

FIG. 4 is a schematic diagram of the overall structure of the front upper swing arm and front lower swing arm of the present utility model;

fig. 5 is a schematic view showing the structure of the first reinforcing plate and the rear control arm rear plate of the present utility model.

The device comprises a front cross beam, a longitudinal arm, a mounting sleeve, a front upper swing arm, a front lower swing arm, a rear control arm rear plate, a rear control arm front plate, a reinforcing plate, a first reinforcing plate and a second reinforcing plate, wherein the front cross beam, the longitudinal arm, the mounting sleeve, the front upper swing arm, the front lower swing arm, the rear control arm rear plate, the rear control arm front plate, the reinforcing plate, the first reinforcing plate and the second reinforcing plate are arranged in sequence in the figure.

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. 1-5, the utility model provides a novel stamping and welding rear auxiliary frame, which comprises a front cross beam 1, a longitudinal arm 2, a mounting sleeve 3, a front upper swing arm 4, a front lower swing arm 5, a rear control arm rear plate 6, a rear control arm front plate 7, a reinforcing plate 8, a first reinforcing plate 9 and a second reinforcing plate 10, wherein the longitudinal arm 2 symmetrically arranged at the rear side of the outer end of the front cross beam 1 and the rear control arm rear plate 6 arranged at the rear of the front cross beam 1, the mounting sleeve 3 is fixedly connected at the outer end of the front cross beam 1 and the rear end of the longitudinal arm 2 by welding, a first connecting structure is arranged outside the joint of the front cross beam 1 and the longitudinal arm 2, the first connecting structure comprises the front upper swing arm 4 and the front lower swing arm 5, the front lower swing arm 5 is positioned below the front upper swing arm 4, and a second connecting structure is arranged at the inner side of the rear end of the longitudinal arm 2, the second connecting structure comprises the rear control arm rear plate 6, the rear control arm front plate 7, the reinforcing plate 8, the first reinforcing plate 9 and the second reinforcing plate 10, and the rear control arm 6 are fixedly welded in the rear control arm rear arm 6.

Detailed description of the preferred embodiments

In order to solve the problems that in the prior art, a plurality of auxiliary frame front and rear control arm mounting brackets are welded with an auxiliary frame through longitudinal beams, the welding mode is edge overlapping, and the rigidity performance is poor, therefore, the embodiment is provided with the longitudinal arms 2 welded and fixed with the longitudinal arms through the rear sides of the outer ends of the front transverse beam 1 symmetrically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the mounting sleeves 3 welded and fixed with the front transverse beam 1 and the longitudinal arms 2 are arranged on the inner sides of the outer ends of the front transverse beam 1 and the longitudinal arms 2, the auxiliary frame is of an integral suspension structure after being welded, the assembly precision is improved, the front upper swing arm 4 and the front lower swing arm 5 are respectively attached to the front upper swing arm 4 and the front upper swing arm 4 through the outer upper lower side and the front upper swing arm 4, the front lower swing arm 5 are both lapped on the front transverse beam 1 and the longitudinal arms 2, the front end of the auxiliary frame is of a split structure, the welding efficiency is high, the rigidity is improved, the inner sides of the auxiliary frame is convenient to be welded with the mounting sleeves 3 welded and fixed with the rear control arm 6, the front control arm 6 and the rear control arm 6 are connected with the rear control arm 6 through the inner side control arm 2, the front control arm 7 and the rear control arm 6 are connected with the rear control arm 6, the front control arm 7 and the rear control arm 7 is connected with the rear control arm 6, and the rear control arm 7 is connected with the front control arm 7 through the rear control panel, and the rear control panel is convenient to the front and the front control panel is connected with the rear control panel and the rear control arm 6.

Second embodiment

In order to solve the problem that the strength of the welding seam between the longitudinal beam and the auxiliary frame is difficult to ensure in the prior art, when bearing high load, the welding seam is easy to break, therefore, in this embodiment, through the following technical schemes, as shown in fig. 1, 2, 3 and 5, the first reinforcing plate 9 welded and fixed with the lower sides of the middle parts of the rear control arm rear plate 6 and the rear control arm front plate 7 is attached, the second reinforcing plate 10 is symmetrically arranged on the left side and the right side of the first reinforcing plate 9, and the second reinforcing plate 10 is welded and fixed on the lower sides of the longitudinal arm 2, the rear control arm rear plate 6 and the rear control arm front plate 7, so that the connection between the rear control arm rear plate 6 and the rear control arm front plate 7 is reinforced through the second reinforcing plate 10, the connection between the longitudinal arm 2, the rear control arm rear plate 6 and the rear control arm front plate 7 is facilitated, and the stability of the stamped and welded auxiliary frame is improved, and the above elements are all the prior art and will not be described in detail.

The details not described in detail in the specification belong to the prior art known to the person skilled in the art, standard parts used in the utility model can be purchased from 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 not described in detail in the specification belong to the prior art known to the person skilled in the art.

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 (6)

1. A novel stamping and welding rear auxiliary frame comprises a front cross beam (1), longitudinal arms (2) symmetrically arranged at the rear side of the outer end of the front cross beam (1) and a rear control arm rear plate (6) arranged at the rear of the front cross beam (1);

Characterized by further comprising:

The outer end of the front cross beam (1) and the rear end of the longitudinal arm (2) are fixedly connected with a mounting sleeve (3) in a welding mode, a first connecting structure is arranged outside the joint of the front cross beam (1) and the longitudinal arm (2), the first connecting structure comprises a front upper swing arm (4) and a front lower swing arm (5), and the front lower swing arm (5) is located below the front upper swing arm (4);

The inside second connection structure that is provided with of rear end of trailing arm (2), wherein second connection structure is including back control arm back plate (6), back control arm front bezel (7), gusset plate (8), first reinforcing plate (9) and second reinforcing plate (10), and back control arm back plate (6) welded fastening is in trailing arm (2).

2. The novel stamping and welding auxiliary frame disclosed in claim 1 is characterized in that the longitudinal arm (2) is fixedly connected with a front cross beam (1) attached to the front end of the longitudinal arm, the outer end of the longitudinal arm (2) is of an L-shaped structure, and the front cross beam (1) and the longitudinal arm (2) are of tubular beam structures.

3. The novel stamping and welding auxiliary frame disclosed in claim 1 is characterized in that the lower end flanges of the front upper swing arm (4) are lapped on the front cross beam (1) and the longitudinal arm (2), the upper end flanges of the front lower swing arm (5) are lapped under the front cross beam (1) and the longitudinal arm (2), and the flanges of the front upper swing arm (4) and the front lower swing arm (5) are welded and fixed with the front cross beam (1) and the longitudinal arm (2).

4. The novel stamping and welding auxiliary frame disclosed in claim 1 is characterized in that a rear control arm front plate (7) is lapped on the upper side of the front end of the rear control arm rear plate (6), and two ends of the rear control arm front plate (7) are welded and fixed with the longitudinal arm (2).

5. The novel stamping and welding auxiliary frame disclosed in claim 1 is characterized in that reinforcing plates (8) are symmetrically fixed on the rear sides of the left end and the right end of the rear control arm rear plate (6), and longitudinal arms (2) fixed with the reinforcing plates (8) are connected to the upper outer sides of the reinforcing plates (8) in a nested manner.

6. The novel stamping and welding auxiliary frame according to claim 1, wherein a first reinforcing plate (9) fixed with the rear control arm rear plate (6) and the rear control arm front plate (7) is attached to the lower side of the middle of the rear control arm rear plate (6), second reinforcing plates (10) are symmetrically arranged on the outer sides of the first reinforcing plates (9), and the second reinforcing plates (10) are welded and fixed on the lower sides of the trailing arm (2), the rear control arm rear plate (6) and the rear control arm front plate (7).