CN222905659U - A new type of stamping and welding front subframe - Google Patents

Abstract

The utility model discloses a novel stamped and welded front subframe, comprising: a longitudinal beam, the longitudinal beam being mounted on a vehicle body; a control arm mechanism being arranged on the outer side of the longitudinal beam, wherein the control arm mechanism comprises a front swing arm, a rear swing arm and a first reinforcing plate, the front swing arm and the rear swing arm being both integrated with the longitudinal beam; a reinforcing mechanism being arranged above the longitudinal beam. The novel stamped and welded front subframe has a front control arm which is divided into a front control arm front bracket and a front control arm rear bracket, and has a simple split structure and high welding efficiency. The rear swing arm bracket is designed by buckling and embedding the upper plate and the lower plate of the longitudinal beam, and this structure makes the parts more integrated, the welding more convenient, and the rigidity better. A reinforcing plate is arranged between the upper plate and the lower plate to improve its strength. The middle tower and the front tower are connected by buckling the front plate with the rear plate, which is easier to weld, has a better degree of integration, has a stronger connectivity with the vehicle body, and has a more reasonable structure.

Description

Novel auxiliary frame before punching press welding

Technical Field

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

Background

The automobile is gradually becoming a common riding tool for families, and is an indispensable transportation tool in production and life, the structure of the automobile is complex, the internal structure is precise, the automobile comprises a generator, a chassis, an automobile body and the like, wherein the chassis is a framework of the automobile, various suspension structures are adopted, an auxiliary frame is a structure for connecting front and rear axles in the automobile, a control arm and a middle tower are arranged on the auxiliary frame and are used for bearing force, the safety and stability of the running of the automobile are ensured, and the lap joint mode of the control arm and the middle tower influences the rigidity, the strength, the fatigue endurance and the like of the automobile;

But the front auxiliary frame control arm on the market is mostly of a 5-connecting-rod structure, the mounting bracket is complex in structure, the strength of a welding line is difficult to ensure, and the welding line is easy to break when bearing high load, so that a novel punching and welding front auxiliary frame is provided, and the problems in the prior art are solved conveniently.

Disclosure of utility model

The utility model aims to provide a novel stamping and welding front auxiliary frame, which aims to solve the problems that the control arms of the front auxiliary frame on the market are of a 5-connecting-rod structure, the structure of an installing support is complex, the strength of a welding seam is difficult to ensure, and the front auxiliary frame is easy to break when bearing high load.

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 longitudinal beam is arranged on the vehicle body;

Further comprises:

The outer side of the longitudinal beam is provided with a control arm mechanism, wherein the control arm mechanism comprises a front swing arm, a rear swing arm and a first reinforcing plate, and the front swing arm and the rear swing arm are integrally arranged with the longitudinal beam;

The upper side of longeron is provided with strengthening mechanism, and wherein strengthening mechanism includes preceding tower, second reinforcing plate, well tower and third reinforcing plate, the longitudinal section of second reinforcing plate and third reinforcing plate all is triangle-shaped structure.

Preferably, front swing arms are welded at the middle part of the outer side of the longitudinal beam, and the front swing arms are symmetrically distributed on the longitudinal beam in front and back.

Preferably, the longitudinal section of the front swing arm is in a U-shaped structure.

Preferably, a rear swing arm is arranged on the inner side of the rear end of the longitudinal beam, a first reinforcing plate is fixed on the inner side of the rear swing arm, and the cross section of the first reinforcing plate is of a U-shaped structure.

Preferably, a front tower is fixed on the front side above the longitudinal beam, the front tower is arranged in bilateral symmetry, and a second reinforcing plate is welded on the inner side of the front tower.

Preferably, the front tower is formed by combining a first front plate and a first rear plate, and the first front plate and the first rear plate are mutually clamped and connected.

Preferably, a middle tower is mounted in the middle of the upper part of the longitudinal beam, and a third reinforcing plate is integrally arranged on the inner side of the middle tower.

Preferably, the middle tower is formed by combining a second front plate and a second rear plate, and the second front plate and the second rear plate are mutually clamped and connected.

Compared with the prior art, the novel stamping welding front auxiliary frame has the beneficial effects that the front control arm is divided into the front control arm front support and the front control arm rear support, the split type structure is simple, the welding efficiency is high, the rear swing arm support is designed in a manner that the upper longitudinal beam plate and the lower longitudinal beam plate are buckled and embedded, the structure enables parts to be more integrated, the welding is more convenient, the rigidity is better, the reinforcing plate is arranged between the upper plate and the lower plate, the strength of the reinforcing plate is improved, the middle tower and the front tower are connected in a manner that the front plate is buckled and the rear plate is adopted, the welding is easier, the integration degree is better, the connectivity with a vehicle body is stronger, and the structure is more reasonable;

1. The front swing arms are symmetrically distributed on the longitudinal beam in the front-back mode, the longitudinal sections of the front swing arms are of U-shaped structures, the front control arms are divided into front control arm front supports and front control arm rear supports, the split type structure is simple, and the welding efficiency is high;

2. The rear swing arm and the first reinforcing plate are arranged in the longitudinal beam through the rear swing arm, the first reinforcing plate is fixed on the inner side of the rear swing arm, the rear swing arm support is designed in an embedded mode of buckling an upper plate and a lower plate of the longitudinal beam, the structure enables parts to be more integrated, welding is more convenient, rigidity is better, the reinforcing plate is arranged between the upper plate and the lower plate, and strength of the reinforcing plate is improved;

3. Be provided with second reinforcing plate, well tower and third reinforcing plate, be fixed with the second reinforcing plate through preceding tower inboard, well tower inboard is fixed with the third reinforcing plate, and preceding tower comprises first front bezel and first back plate combination, and well tower comprises second front bezel and second back plate combination, and well tower adopts the mode of front bezel lock back plate to be connected with preceding tower, and welding is easier, and the degree of integration is better, stronger with the connectivity of automobile body, and the structure is more reasonable.

Drawings

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

FIG. 2 is a schematic view of the whole structure of the connection of the longitudinal beam and the front swing arm;

FIG. 3 is a schematic view of the overall structure of the inventive stringer and second stiffener;

FIG. 4 is a schematic view of the overall structure of the inventive stringers and front tower connection;

fig. 5 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

The vertical beam is 1, the longitudinal beam is 2, the front swing arm is 3, the rear swing arm is 4, the first reinforcing plate is 5, the front tower is 501, the first front plate is 502, the first rear plate is 6, the second reinforcing plate is 7, the middle tower is 701, the second front plate is 702, the second rear plate is 8, and the third reinforcing plate is 8.

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 front auxiliary frame, which comprises a longitudinal beam 1, a front swing arm 2, a rear swing arm 3, a first reinforcing plate 4, a front tower 5, a first front plate 501, a first rear plate 502, a second reinforcing plate 6, a middle tower 7, a second front plate 701, a second rear plate 702 and a third reinforcing plate 8;

Firstly, as shown in fig. 1 and fig. 2, a front swing arm 2 is welded in the middle of the outer side of a longitudinal beam 1, a front bracket and a rear bracket of the front swing arm 2 are welded on the longitudinal beam 1 in a front-back symmetrical manner, an upper plate and a lower plate of the longitudinal beam 1 are buckled and embedded to install a rear swing arm 3, a first reinforcing plate 4 is welded on the inner side of the rear swing arm 3, the strength is improved, a first front plate 501 and a first rear plate 502 are mutually buckled at the front end above the longitudinal beam 1, a second front plate 701 and a second rear plate 702 are mutually buckled at the rear end above the longitudinal beam 1, and the longitudinal beam 1 and a middle tower 7 are fixed together through welding;

In the first embodiment, the existing front auxiliary frame swing arm mounting structure is complex, as shown in fig. 1-4, the mounting points of the auxiliary frame front swing arm 2 and the rear swing arm 3 are designed according to the scheme, the connection stability is improved by making the rear swing arm 3 into a form integrated with the longitudinal beam 1, the inner side of the front swing arm 2 with a U-shaped longitudinal section is welded with the longitudinal beam 1, the connection area of the front swing arm 2 and the longitudinal beam 1 is increased, the stability is improved, the split structure is simple, the welding efficiency is high, the rear swing arm 3 bracket is designed in a way that the upper plate and the lower plate of the longitudinal beam 1 are buckled and embedded, the structure enables parts to be more integrated, the welding is more convenient, and the rigidity is better;

In the second embodiment, the strength of the weld seam of the existing front subframe is difficult to ensure, and when bearing high load, the weld seam is easy to break, in order to solve the technical problem, as shown in fig. 1-5, the second reinforcing plate 6 is fixed on the inner side of the front tower 5, the third reinforcing plate 8 is fixed on the inner side of the middle tower 7, the longitudinal sections of the second reinforcing plate 6 and the third reinforcing plate 8 are in triangular structures, and the structural design rigidity of the front tower 5 and the middle tower 7 is higher.

This is the whole working process of the novel sub-frame before stamping and welding, 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 (8)

1. A novel stamping welded front subframe comprising:

The automobile comprises a longitudinal beam (1), wherein the longitudinal beam (1) is arranged on an automobile body;

Characterized by further comprising:

The outer side of the longitudinal beam (1) is provided with a control arm mechanism, wherein the control arm mechanism comprises a front swing arm (2), a rear swing arm (3) and a first reinforcing plate (4), and the front swing arm (2) and the rear swing arm (3) are integrally arranged with the longitudinal beam (1);

The top of longeron (1) is provided with strengthening mechanism, and wherein strengthening mechanism includes preceding tower (5), second reinforcing plate (6), well tower (7) and third reinforcing plate (8), the longitudinal section of second reinforcing plate (6) and third reinforcing plate (8) all is triangle-shaped structure.

2. The novel stamping and welding front auxiliary frame is characterized in that a front swing arm (2) is welded at the middle part of the outer side of the longitudinal beam (1), and the front swing arm (2) is symmetrically distributed on the longitudinal beam (1) front and back.

3. The novel stamping and welding front auxiliary frame is characterized in that the longitudinal section of the front swing arm (2) is of a U-shaped structure.

4. The novel stamping and welding front auxiliary frame is characterized in that a rear swing arm (3) is arranged on the inner side of the rear end of the longitudinal beam (1), a first reinforcing plate (4) is fixed on the inner side of the rear swing arm (3), and the cross section of the first reinforcing plate (4) is of a U-shaped structure.

5. The novel stamping and welding front auxiliary frame is characterized in that a front tower (5) is fixed on the front side above the longitudinal beam (1), the front tower (5) is symmetrically arranged left and right, and a second reinforcing plate (6) is welded on the inner side of the front tower (5).

6. The novel stamping and welding front auxiliary frame as claimed in claim 5, wherein the front tower (5) is formed by combining a first front plate (501) and a first rear plate (502), and the first front plate (501) and the first rear plate (502) are mutually clamped and connected.

7. The novel stamping and welding front auxiliary frame is characterized in that a middle tower (7) is arranged in the middle of the upper part of the longitudinal beam (1), and a third reinforcing plate (8) is integrally arranged on the inner side of the middle tower (7).

8. The novel press-welded front subframe according to claim 7, wherein the middle tower (7) is formed by combining a second front plate (701) and a second rear plate (702), and the second front plate (701) and the second rear plate (702) are mutually clamped and connected.