CN222905666U - A new type of stamping and welding front subframe - Google Patents

Abstract

The utility model discloses a novel stamping welding front auxiliary frame which comprises a rear control arm body, wherein an upper plate of the rear control arm body is connected with a vehicle body pipe sleeve in a welding mode, a welding process mechanism is arranged on the left side and the right side of the outer side of the rear control arm body, the welding process mechanism comprises edge line lap joints, front control arms and rear control arm bodies, the front control arms are symmetrically arranged on the left side and the right side of the outer side of the rear control arm body, the edge line lap joints are arranged on the rear side of the front control arms, and rear front suspensions are arranged on the front side of the inner side of the rear control arm body. This novel auxiliary frame before punching press welding has set up welding process mechanism through having set up the rigidity and the joint strength of whole promotion control arm installing support, has guaranteed product reliability, has set up tilting mechanism simultaneously, improves connection stability through increasing the overlap joint form of control arm and longeron, has set up reinforcing plate design mechanism in addition, and the back control arm reinforcing plate carries out overlap joint and welding with longeron upper and lower plate respectively, can promote control arm Z to rigidity by a wide margin.

Description

Novel auxiliary frame before punching press welding

Technical Field

The utility model relates to the technical field of frames, in particular to a novel stamping and welding front auxiliary frame.

Background

Common chassis suspension structures in automobile design comprise a Macpherson independent suspension, a multi-link independent suspension, a double-fork independent suspension and the like, and no matter what type of suspension structure, a front control arm and a rear control arm are required to be designed for an auxiliary frame and are connected with the wheel center of the whole automobile to be a main stress piece so as to ensure the normal running of the automobile, therefore, the structural design and the welding mode of the control arm are critical to the integral performance and stability, the lap joint mode influences rigidity, strength, fatigue endurance and the like, and the like so as to ensure the normal use of the automobile, avoid the auxiliary frame failure caused by insufficient performance of mounting points of the front control arm and the rear control arm and further cause safety accidents, and the auxiliary frame is various before the novel punching welding which is currently applicable to the market, but has some defects;

The utility model provides a novel front auxiliary frame of punching press welding welds through longeron and auxiliary frame, and welding form is the sideline overlap joint, and rigidity performance is relatively poor, can appear cracked condition and take place, influences the normal scheduling problem of going of vehicle, if the chinese utility model patent of grant bulletin number CN220924288U discloses a novel front auxiliary frame of punching press welding, including auxiliary frame body, left longeron and right longeron, the front end of auxiliary frame body is installed the front end, the rear end of auxiliary frame body is installed the rear end, left longeron is installed in the left side of auxiliary frame body, the strengthening rib is installed to the rear end of left side longeron and right longeron, the buffer tank has been seted up to the middle-end of left side longeron and right longeron, the crossbeam installation free bearing is installed to the medial surface of rear end, the mounting hole has all been seted up to the rear end of left rear support and right rear support, the internally mounted of mounting hole has the locating pin. This novel sub vehicle frame before punching press welding through the anterior increase sheep horn at the sub vehicle frame to make longeron or front cross beam avoided bending when the design, guaranteed longeron or front cross beam's roughness, make the sub vehicle frame like this have better dynamic rigidity performance, the outward appearance is also more beautiful, and longeron, cross beam are straight not crooked, can simplify punching press technology, reduce cost. But this device exists and welds through longeron and sub vehicle frame, and the welding form is the boundary overlap joint, and rigidity performance is relatively poor, and the circumstances that can appear the fracture takes place, influences the normal scheduling problem that traveles of vehicle, therefore, we propose a novel punching press sub vehicle frame before welding to in order to solve the problem that above-mentioned proposes.

Disclosure of utility model

The utility model aims to provide a novel stamping and welding front auxiliary frame, which solves the problems that the conventional novel stamping and welding front auxiliary frame provided by the background technology is welded with an auxiliary frame through a longitudinal beam, the welding mode is edge overlapping, the rigidity performance is poor, the occurrence of fracture occurs, the normal running of a vehicle is influenced and the like.

In order to achieve the purpose, the utility model provides the following technical scheme that the novel punching and welding front auxiliary frame comprises the following components:

The upper plate of the rear control arm body is welded with the automobile body pipe sleeve;

Further comprises:

The welding process mechanism comprises a side line lap joint, a front control arm and a rear control arm body, wherein the front control arm is symmetrically arranged outside the rear control arm body in a left-right mode, and the side line lap joint is arranged at the rear side of the front control arm.

Preferably, a rear front suspension is mounted on the inner front side of the rear control arm body.

Preferably, a right front suspension is mounted on the inner rear side of the rear control arm body.

Preferably, a rear control arm reinforcing plate is arranged in front of the rear control arm body, and the rear control arm reinforcing plate is respectively overlapped and welded with the upper plate and the lower plate of the longitudinal beam.

Preferably, the rear front suspension is internally welded with a steering engine reinforcing plate.

Preferably, the right front suspension and the rear front suspension are fixedly connected by adopting a T-shaped sleeve.

Compared with the prior art, the novel stamping and welding front auxiliary frame has the beneficial effects that the rigidity and the connection strength of the control arm mounting bracket are integrally improved through the arrangement of the welding process mechanism, the reliability of products is ensured, meanwhile, the lap joint mechanism is arranged, the connection stability is improved through the increase of the lap joint form of the control arm and the longitudinal beam, in addition, the reinforcing plate design mechanism is arranged, the rear control arm reinforcing plate is respectively overlapped and welded with the upper plate and the lower plate of the longitudinal beam, and the Z-direction rigidity of the control arm can be greatly improved;

1. The front control arm is symmetrically arranged on the outer side of the rear control arm body, the side line lap joint is arranged on the rear side of the front control arm, the rigidity and the connection strength of the control arm mounting bracket are improved, and the reliability of products is ensured;

2. The rear control arm reinforcing plate is arranged in front of the inner side of the rear control arm body, and is respectively overlapped and welded with the upper and lower plates of the longitudinal beam, so that the Z-direction rigidity of the control arm can be greatly improved;

3. the steering mechanism is provided with a right front suspension and a rear front suspension, the right front suspension is arranged in front of the inner side of the rear control arm body, meanwhile, the right front suspension is arranged behind the inner side of the rear control arm body, the rear front suspension is fixedly connected at three points, meanwhile, a steering mechanism reinforcing plate is welded on the inner side of the rear front suspension, and the right front suspension and the rear front suspension are fixedly connected by adopting T-shaped sleeves, so that the structure is more stable;

drawings

FIG. 1 is a schematic view of the structure of the utility model in perspective for edge bonding and front control arm connection;

FIG. 2 is a schematic perspective view of the control arm body according to the present utility model;

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

FIG. 4 is a schematic view of the bottom view structure of the present utility model;

FIG. 5 is a schematic top view of the rear control arm stiffener of the present utility model;

fig. 6 is a schematic top view of the reinforcement plate of the steering engine of the present utility model.

In the figure, the side line is overlapped, the front control arm is 2, the rear control arm body is 3, the right front suspension is 4, the rear front suspension is 5, the steering machine reinforcing plate is 6, and the rear control arm reinforcing plate is 7.

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. 1-6, the present utility model provides a technical solution:

Example 1 in order to solve the problems existing in the prior art, the novel stamping welding front auxiliary frame is provided with a rear control arm body 3, a welding process mechanism, a front control arm 2, a side line lap joint 1, a lap joint mechanism, a reinforcing plate design mechanism, a reinforcing plate and a reinforcing plate design mechanism, wherein the novel stamping welding front auxiliary frame is provided with a rear control arm body 3, a welding process mechanism is arranged on the left side and the right side of the outside of the rear control arm body 3, the side line lap joint 1 is positioned behind the front control arm 2, the novel stamping welding front auxiliary frame is provided with a better welding process, the lap joint mechanism improves the lap joint form stability of the control arm and a longitudinal beam, the reinforcing plate design mechanism is arranged inside the front side of the rear control arm body 3 and is used for lap joint and welding with upper and lower plates of the longitudinal beam, the upper and lower plates of the rear cross beam are welded with a stabilizing rod reinforcing plate, the rigidity of the control arm is improved, the welding process is firstly improved, the rigidity and the lap joint stability of the control arm and the longitudinal beam is increased, the rear control arm reinforcing plate 7 is also arranged inside the rear control arm body 3, the steering gear reinforcing plate 6 is arranged on the inner side of the rear front suspension 5, the rear control arm reinforcing plate 7 can greatly improve the Z-direction rigidity, and the welding rigidity of the stabilizing rod is welded with the stabilizing rod.

The rigidity and the joint strength of the control arm installing support are relatively poor, the fracture condition easily appears in the prior novel auxiliary frame before punching press welding, as shown in fig. 1 and 2, the welding technology mechanism is including the front control arm 2 of bilateral symmetry setting in the left and right sides of back control arm body 3, and the rear side of front control arm 2 is provided with sideline overlap joint 1, and this structure has better welding technology to and whole rigidity and the joint strength that promotes the control arm installing support, guarantees product reliability.

In the prior art, the lap joint stability of the control arm and the longitudinal beam is poor, so that the lap joint mechanism in the embodiment adopts the following technical scheme that, as shown in fig. 3 and 4, the lap joint mechanism comprises a right front suspension 4 and a rear front suspension 5 which are respectively arranged on the inner side of a rear control arm body 3, the rear front suspension 5 is fixedly connected at three points, the right front suspension 4 and the rear front suspension 5 are fixedly connected by adopting T-shaped sleeves, the structure is more stable, the weight is lighter, the cost is lower, the structure of the installation point of the front control arm and the rear control arm of the auxiliary frame is redesigned, and the connection stability is improved by increasing the lap joint form of the control arm and the longitudinal beam.

Example 3 in the prior art subframe, the rigidity and strength of the control arm are poor, so in this embodiment, as shown in fig. 5 and 6, the reinforcing plate design mechanism includes a rear control arm reinforcing plate 7 disposed in front of the inner side of the rear control arm body 3, the rear control arm reinforcing plate 7 is respectively overlapped and welded with the upper and lower plates of the longitudinal beam, the Z-directional rigidity of the control arm can be greatly improved, the upper plate of the rear control arm body 3 is fixed with the sleeve of the vehicle body through welding, the connection strength and rigidity are improved, meanwhile, a steering engine reinforcing plate 6 is welded on the inner side of the rear front suspension 5, the upper and lower plates of the rear cross beam are welded with the stabilizer bar reinforcing plate, and welded with the stabilizer bar sleeve, and the Z-directional rigidity of the stabilizer bar is improved.

The details not described in detail in the specification belong to the prior art known to those 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, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.

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 welded front subframe comprising:

The rear control arm body (3), the upper plate of the rear control arm body (3) is welded with the car body pipe sleeve;

Characterized by further comprising:

The welding process mechanism is arranged on the left side and the right side of the outer side of the rear control arm body (3), and comprises a side line lap joint (1), a front control arm (2) and the rear control arm body (3), wherein the front control arm (2) is symmetrically arranged on the left side and the right side of the outer side of the rear control arm body (3), and the side line lap joint (1) is arranged on the rear side of the front control arm (2).

2. The novel stamping and welding front auxiliary frame according to claim 1 is characterized in that a rear front suspension (5) is arranged on the inner front side of the rear control arm body (3).

3. The novel stamping and welding front auxiliary frame according to claim 2 is characterized in that a right front suspension (4) is arranged on the rear side of the rear control arm body (3).

4. A novel stamping and welding front auxiliary frame is characterized in that a rear control arm reinforcing plate (7) is arranged in front of the inside of the rear control arm body (3), and the rear control arm reinforcing plate (7) is respectively overlapped and welded with upper and lower longitudinal beam plates.

5. The novel stamping and welding front auxiliary frame according to claim 2 is characterized in that a steering machine reinforcing plate (6) is welded and connected inside the rear front suspension (5).

6. A novel stamping and welding front auxiliary frame is characterized in that the right front suspension (4) and the rear front suspension (5) are fixedly connected by adopting T-shaped sleeves.