CN112678074A

CN112678074A - Connection structure of white automobile body front fender and flag box

Info

Publication number: CN112678074A
Application number: CN202011617363.1A
Authority: CN
Inventors: 高建昊; 周明文; 徐赫唯; 夏昌兴; 丁才奇; 刘洋; 谢跃文
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-04-20

Abstract

The invention discloses a connecting structure of a white body front fender and a flag box, belonging to the technical field of automobile part manufacturing and assembling and comprising the following steps: the automobile body front fender and flag box, the flag box outer edge is equipped with the overlap joint, be equipped with on the automobile body front fender with the corresponding turn-ups of overlap joint, the flag box passes through the overlap joint and fixes on the turn-ups of automobile body front fender. Compared with the existing connecting method, the connecting structure of the white body front fender and the flag box adopts the TIG welding seam to connect the white body front fender and the flag box, greatly reduces the welding heat input quantity, reduces the deformation of the outer surface of the front fender, and ensures the appearance surface quality of the whole vehicle through the quality evaluation of the whole vehicle.

Description

Connection structure of white automobile body front fender and flag box

Technical Field

The invention discloses a connecting structure of a white body front fender and a flag box, and belongs to the technical field of automobile part manufacturing and assembling.

Background

With the increasingly fierce automobile market competition, the requirements of users on the manufacturing quality of automobiles are higher and higher, automobile manufacturers control the quality of the automobiles more and more strictly, particularly, the surface quality seen by the users at first sight directly influences the image and the sale of the whole automobiles, and the improvement of the surface quality of the automobiles becomes the continuous pursuit of each automobile manufacturer.

The white front fender and the flag box are designed to be connected through a CO2 gas shielded welding process, the welding heat input is large, certain wave deformation is generated on the outer surface of the front fender of the flag accessory, the appearance surface quality of the whole vehicle is directly influenced, and the white front fender and the flag box are unqualified in the finished vehicle Audio review and need to be solved from the technical level.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a connecting structure and a connecting method of a white front fender and a flag box, which reduce welding heat input, reduce welding deformation and ensure the surface quality of the white front fender.

The invention aims to solve the problems and is realized by the following technical scheme:

a connecting structure of a body-in-white front fender and a flag box comprises: the automobile body front fender and flag box, the flag box outer edge is equipped with the overlap joint, be equipped with on the automobile body front fender with the corresponding turn-ups of overlap joint, the flag box passes through the overlap joint and fixes on the turn-ups of automobile body front fender.

Preferably, the height of the flanging is 5-8 mm.

Preferably, the height of the lap-joint fastener is 5-8 mm.

Preferably, the flag box is provided with a first round hole.

Preferably, a second round hole is arranged on the flag box.

Preferably, the flag box is provided with an oblong hole between the first round hole and the second round hole.

Preferably, the flag box is provided with a trapezoidal hole between the first round hole and the oblong hole.

Preferably, the flag box is fixed on the flange of the front fender of the vehicle body through lap-joint buckles in a welding mode.

Compared with the prior art, the invention has the following beneficial effects:

compared with the existing connecting method, the connecting structure and the connecting method for the white body front fender and the flag box adopt the TIG welding seam to connect the white body front fender and the flag box, greatly reduce the welding heat input quantity, reduce the deformation of the outer surface of the front fender, and ensure the appearance surface quality of the whole vehicle through the quality evaluation of the whole vehicle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a body in white front fender of the present invention;

FIG. 3 is a schematic structural diagram of the flag box of the present invention;

FIG. 4 is a schematic view of the position of a TIG weld of the present invention;

in the figure:

1-a front fender of a white vehicle body,

2-the flag box is arranged on the upper portion of the flag box,

11-flanging of the position of the flag box of the front fender of the body in white,

21-overlapping and buckling the two pieces of the plastic film,

22-the first circular hole is provided with a circular hole,

23-a trapezoidal hole is formed in the upper surface of the shell,

24-the long round hole is arranged on the upper part of the steel pipe,

25-second circular hole.

Detailed Description

The invention is further illustrated below with reference to the accompanying figures 1-4:

the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a first embodiment of the present invention provides a connecting structure of a body-in-white front fender and a flag box based on the prior art, comprising: the front fender 1 and the flag box 2 of the vehicle body, and the structure and the connection of the above-mentioned members will be described one by one.

Seven overlapping buckles 21 are pre-punched at two sides of the outer edge of the flag box 2, and the height of the overlapping buckles 21 is 5-8 mm. Three sections of turnups 11 corresponding to the lap buckles 21 are punched in advance on the longer side faces of the two sides of the front fender 1 of the automobile body, the height of the turnups 11 is 5-8mm, the flag box 22 is welded and fixed on the turnups 11 of the front fender 1 of the automobile body through the lap buckles 21 through TIG welding, the TIG welding seams are 14 sections in total, each section of welding seam is a spot welding seam, the diameter of the welding seam is 1.5-3mm, and the height of the welding seam is not more than 1.2 mm.

The flag box 2 is provided with a first round hole 22 and a second round hole 25, the flag box 2 is provided with a long round hole 24 between the first round hole 22 and the second round hole 25, and the flag box 2 is used for fixing the outer cover of the flag box 2.

The flag box 2 is provided with a trapezoidal hole 23 between the first round hole 22 and the long round hole 24 for a line passage in the flag box 2.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims

1. The utility model provides a connection structure of white automobile body front fender and flag box which characterized in that includes: automobile body front fender (1) and flag box (2), flag box (2) outer edge is equipped with overlap joint buckle (21), be equipped with on automobile body front fender (1) with corresponding turn-ups (11) of overlap joint buckle (21), flag box (2) are fixed on turn-ups (11) of automobile body front fender (1) through overlap joint buckle (21).

2. A connecting structure of a body-in-white front fender and a flag box according to claim 1, wherein the height of the turned-up edge (11) is 5-8 mm.

3. A connecting structure of a body-in-white front fender and a flag box according to claim 1 or 2, wherein the height of the lap joint (21) is 5-8 mm.

4. A connecting structure of a body-in-white front fender and a flag box according to claim 3, wherein the flag box (2) is provided with a first round hole (22).

5. A connecting structure of a body-in-white front fender and a flag box according to claim 4, characterized in that the flag box (2) is provided with a second round hole (25).

6. A connection structure of a body-in-white front fender and a flag box according to claim 4 or 5, characterized in that the flag box (2) is provided with a long round hole (24) between the first round hole (22) and the second round hole (25).

7. A connection structure of a body-in-white front fender and a flag box according to claim 6, characterized in that the flag box (2) is provided with a trapezoidal hole (23) between the first round hole (22) and the oblong hole (24).

8. A connecting structure of a body-in-white front fender and a flag box according to claim 6, characterized in that the flag box (2) is welded and fixed on a flanging (11) of the body-in-white front fender (1) through a lap joint (21).