Novel stamping and welding front auxiliary frame
By designing a new stamped welded front subframe, using longitudinal beams, front swing arms, rear swing arms, reinforcement plates, front towers, and middle towers, the problems of complex structure and insufficient weld strength of the existing automobile front subframe control arm are solved, and higher welding efficiency and structural stiffness are achieved.
Patent Information
- Application Number
- CN202421829817.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The 5-link structure installation bracket of the existing automobile front subframe control arm is complex, and the weld strength is difficult to guarantee, resulting in easy breakage at high loads.
A new type of stamping and welding front subframe is designed, using longitudinal beams, front swing arms, rear swing arms, reinforcement plates, front towers, middle towers and other structures, and the degree of integration and welding strength of parts are improved through stamping and welding technology.
The split structure of the front subframe is achieved with a simple, high welding efficiency, more integrated parts, more convenient welding, better stiffness and strength, more reasonable structure, and stronger connectivity.
Smart Images
Figure CN222905659U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobiles, in particular to a novel stamping and welding front subframe. Background Technique
[0002] Automobiles have gradually become common means of transportation for families and are even more indispensable means of transportation in production and life. The structure of automobiles is complex and the internal structure is precise, including combinations such as generators, chassis and bodies. Among them, the chassis is the skeleton of the automobile. There are various suspension structures. The subframe is a structure in the automobile used to connect the front and rear axles. Control arms and middle towers are arranged on the subframe for force bearing to ensure the safety and stability of vehicle driving. The lapping method of the control arms and the middle tower will affect the stiffness, strength, fatigue durability, etc. of the automobile;
[0003] However, at present, most of the control arms of the front subframe on the market are of the 5-link structure, the installation bracket structure is complex, and the strength of the weld is difficult to guarantee. When bearing high loads, it is easy to break. Therefore, we propose a novel stamping and welding front subframe to solve the problems raised above. Content of the Utility Model
[0004] The purpose of the utility model is to provide a novel stamping and welding front subframe to solve the problems raised in the above background technique that most of the control arms of the front subframe on the market are of the 5-link structure, the installation bracket structure is complex, and the strength of the weld is difficult to guarantee. When bearing high loads, it is easy to break.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A novel stamping and welding front subframe, including:
[0006] Longitudinal beams, and the longitudinal beams are installed on the vehicle body;
[0007] It further includes:
[0008] A control arm mechanism is arranged on the outer side of the longitudinal beam, and the control arm mechanism includes 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;
[0009] A reinforcing mechanism is arranged above the longitudinal beam, and the reinforcing mechanism includes a front tower, a second reinforcing plate, a middle tower and a third reinforcing plate, and the longitudinal sections of the second reinforcing plate and the third reinforcing plate are both triangular structures.
[0010] Preferably, the front swing arm is welded to the middle of the outer side of the longitudinal beam, and the front swing arms are symmetrically distributed before and after on the longitudinal beam.
[0011] Preferably, the longitudinal section of the front swing arm is in a "U" shape structure.
[0012] Preferably, a rear swing arm is provided inside the rear end of the longitudinal beam, and a first reinforcing plate is fixed inside the rear swing arm. The cross-section of the first reinforcing plate is in a "U" shape.
[0013] Preferably, a front tower is fixed to the front side above the longitudinal beam, and the front towers are symmetrically arranged left and right. A second reinforcing plate is welded inside the front tower.
[0014] Preferably, the front tower is composed of a first front plate and a first rear plate, and the first front plate and the first rear plate are snap-connected to each other.
[0015] Preferably, a middle tower is installed in the middle above the longitudinal beam, and a third reinforcing plate is integrally arranged inside the middle tower.
[0016] Preferably, the middle tower is composed of a second front plate and a second rear plate, and the second front plate and the second rear plate are snap-connected to each other.
[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows: for this new type of stamping and welding front subframe, the front control arm is divided into a front control arm front bracket and a front control arm rear bracket. The split structure is simple and the welding efficiency is high. The rear swing arm bracket is designed in a way that the upper plate and the lower plate of the longitudinal beam are buckled and embedded. This structure makes the parts more integrated, the welding more convenient, and the stiffness 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 to the rear plate, which is easier to weld, has a better degree of integration, stronger connectivity with the vehicle body, and a more reasonable structure.
[0018] 1. A front swing arm is provided. The front swing arms are symmetrically distributed front and rear on the longitudinal beam. The longitudinal section of the front swing arm is in a "U" shape. The front control arm is divided into a front control arm front bracket and a front control arm rear bracket. The split structure is simple and the welding efficiency is high.
[0019] 2. A rear swing arm and a first reinforcing plate are provided. The rear swing arm is arranged inside the longitudinal beam, and a first reinforcing plate is fixed inside the rear swing arm. The rear swing arm bracket is designed in a way that the upper plate and the lower plate of the longitudinal beam are buckled and embedded. This structure makes the parts more integrated, the welding more convenient, and the stiffness better. A reinforcing plate is arranged between the upper plate and the lower plate to improve its strength.
[0020] 3. A second reinforcing plate, a middle tower and a third reinforcing plate are provided. A second reinforcing plate is fixed inside the front tower, and a third reinforcing plate is fixed inside the middle tower. The front tower is composed of a first front plate and a first rear plate, and the middle tower is composed of a second front plate and a second rear plate. The middle tower and the front tower are connected by buckling the front plate to the rear plate, which is easier to weld, has a better degree of integration, stronger connectivity with the vehicle body, and a more reasonable structure. Description of the Drawings
[0021] Figure 1This is a schematic diagram of the overall structure of the present utility model;
[0022] Figure 2 This is a schematic diagram of the overall structure of the connection between the longitudinal beam and the front swing arm of the present utility model;
[0023] Figure 3 This is a schematic diagram of the overall structure of the connection between the longitudinal beam and the second reinforcing plate of the present utility model;
[0024] Figure 4 This is a schematic diagram of the overall structure of the connection between the longitudinal beam and the front tower of the present utility model;
[0025] Figure 5 For the present utility model Figure 3 The enlarged structure diagram at position A in it.
[0026] In the figure: 1, longitudinal beam; 2, front swing arm; 3, rear swing arm; 4, first reinforcing plate; 5, front tower; 501, first front plate; 502, first rear plate; 6, second reinforcing plate; 7, middle tower; 701, second front plate; 702, second rear plate; 8, third reinforcing plate. Specific embodiments
[0027] Next, in combination with the drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0028] Please refer to Figures 1-5 , the present utility model provides a technical solution: a new type of stamping and welding front subframe, including: longitudinal beam 1, front swing arm 2, rear swing arm 3, first reinforcing plate 4, front tower 5, first front plate 501, first rear plate 502, second reinforcing plate 6, middle tower 7, second front plate 701, second rear plate 702 and third reinforcing plate 8;
[0029] First, as shown in Attachment Figure 1 and Attachment Figure 2 , weld the front swing arm 2 in the middle of the outer side of the longitudinal beam 1, and symmetrically weld the front bracket and the rear bracket of the front swing arm 2 to the longitudinal beam 1 front and rear. The upper and lower plates of the longitudinal beam 1 are buckled and installed with the rear swing arm 3 embedded, and weld the first reinforcing plate 4 on the inner side of the rear swing arm 3 to improve the strength. Snap the first front plate 501 and the first rear plate 502 together above the front end of the longitudinal beam 1, and snap the second front plate 701 and the second rear plate 702 together above the rear end of the longitudinal beam 1, and fix the longitudinal beam 1 and the front tower 5, and the longitudinal beam 1 and the middle tower 7 together by welding;
[0030] Specific Embodiment 1. The existing installation structure of the front subframe swing arm is complex. To solve this technical problem, as shown in the attached Figure 1 - attached Figure 4 figure, in this solution, the installation points of the front swing arm 2 and the rear swing arm 3 of the subframe are designed. By forming the rear swing arm 3 integrally with the longitudinal beam 1, the connection stability is improved. The inner side of the front swing arm 2 with a "U"-shaped longitudinal section is welded to the longitudinal beam 1, increasing the connection area between the front swing arm 2 and the longitudinal beam 1 to improve stability. The split structure is simple and the welding efficiency is high. The bracket of the rear swing arm 3 is designed by the method of buckling and embedding the upper plate and the lower plate of the longitudinal beam 1. This structure makes the parts more integrated, the welding more convenient, and the stiffness better;
[0031] Specific Embodiment 2. The strength of the existing weld of the front subframe is difficult to guarantee, and it is easy to break when bearing high loads. To solve this technical problem, as shown in the attached Figure 1 - attached Figure 5 figure, a second reinforcing plate 6 is fixed inside the front tower 5, and a third reinforcing plate 8 is fixed inside the middle tower 7 in this solution. The longitudinal sections of the second reinforcing plate 6 and the third reinforcing plate 8 are both triangular structures, and the structural design of the front tower 5 and the middle tower 7 has higher stiffness.
[0032] This is the entire working process of the new type of stamping and welding front subframe. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.
[0033] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, it will not be elaborated here.
[0034] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A new stamping and welding front subframe, comprising: A longitudinal beam (1), wherein the longitudinal beam (1) is mounted on the vehicle body; It is characterized by further comprising: A control arm mechanism is arranged on the outer side of the longitudinal beam (1), wherein the control arm mechanism comprises a front swing arm (2), a rear swing arm (3) and a first reinforcement plate (4), and the front swing arm (2) and the rear swing arm (3) are both arranged in an integrated manner with the longitudinal beam (1); A reinforcing mechanism is arranged above the longitudinal beam (1), wherein the reinforcing mechanism comprises a front tower (5), a second reinforcing plate (6), a middle tower (7) and a third reinforcing plate (8), and the longitudinal sections of the second reinforcing plate (6) and the third reinforcing plate (8) are both triangular structures.
2. According to claim 1, the novel stamping and welding front subframe is characterized in that: A front swing arm (2) is welded to the middle portion of the outer side of the longitudinal beam (1), and the front swing arm (2) is symmetrically distributed front and rear on the longitudinal beam (1).
3. The novel stamping and welding front subframe according to claim 2 is characterized in that: The longitudinal section of the front swing arm (2) is in a "U"-shaped structure.
4. The novel stamping and welding front subframe according to claim 1 is characterized in that: A rear swing arm (3) is arranged on the inner side of the rear end of the longitudinal beam (1), and a first reinforcing plate (4) is fixed on the inner side of the rear swing arm (3), wherein the cross section of the first reinforcing plate (4) is in a "U"-shaped structure.
5. The novel stamping and welding front subframe according to claim 1 is characterized in that: A front tower (5) is fixed to the upper front side of the longitudinal beam (1), and the front tower (5) is arranged symmetrically on the left and right. A second reinforcing plate (6) is welded to the inner side of the front tower (5).
6. The novel stamping and welding front subframe according to claim 5 is characterized in that: The front tower (5) is composed of 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 engaged and connected.
7. The novel stamping and welding front subframe according to claim 1 is characterized in that: A middle tower (7) is installed in the upper middle portion of the longitudinal beam (1), and a third reinforcing plate (8) is integrally provided on the inner side of the middle tower (7).
8. The novel stamping and welding front subframe according to claim 7 is characterized in that: The middle tower (7) is composed of 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 snap-fitted and connected.