CN211995883U - Aluminum alloy automobile skin structure - Google Patents

Abstract

The utility model discloses an aluminum alloy automobile skin structure, include: the back of each aluminum alloy skin unit is provided with a connecting position connected with an automobile framework; the aluminum alloy skin unit thickening connecting structure is characterized in that the joints of two adjacent aluminum alloy skin units are thickened to form thickened connecting ends, and each connecting position is thickened at the corresponding connecting corner of the aluminum alloy skin unit through an inverted circular arc. The thickened connecting end and the fillet thickened structure are arranged on the aluminum alloy skin units, so that the aluminum alloy skin units with thin wall thickness and light weight are firmly connected into a whole and have enough strength, and the light weight of an automobile is realized; the connecting strength between the automobile framework and the skin is enhanced by thickening the inverted arc, and the influence of dark marks on the surface on the appearance effect when the alloy section is produced by extrusion is avoided; the thickening link prevents to connect the position because of the not enough bending deformation of intensity.

Description

Aluminum alloy automobile skin structure

Technical Field

The utility model relates to a covering technical field for the car especially relates to an aluminum alloy car skin structure.

Background

The materials used in the current automobile skin are mainly iron, steel, fiberglass and the like, and the materials generally have some use defects, such as: the corrosion resistance of steel materials is poor, so that the corrosion resistance can be increased only through a surface spraying process, but a coating is easy to fall off, and the steel materials can rust and fade quickly after falling off, so that the appearance of an automobile is influenced, and the steel materials are high in density, heavy in weight and high in energy consumption during automobile running; in addition, although steel can be recycled, the steel is easy to rust, complicated in recycling treatment, high in energy consumption and large in pollution in the treatment process, and is not a good environment-friendly material. The other commonly used glass fiber (glass fiber reinforced plastic) has good corrosion resistance and light weight, but has low elastic modulus, poor long-term high temperature resistance and aging, and greatly limits the application range; and the material can not be recycled, is not an environment-friendly material at all, and does not meet the requirements of the sustainable development of the society at present.

Energy conservation and emission reduction become a common trend of the automobile industry in the world, and along with the upgrade of oil consumption standards of all countries, all large automobile enterprises are struggling to deal with the oil consumption standards, wherein the light weight of automobiles plays an important role in the economy of energy consumption and the optimization of automobile performance, so that a novel aluminum alloy skin is necessary to be developed. The larger the specification and size of the aluminum alloy section are, the larger the required wall thickness of the extrusion production is, which not only increases the production cost of the automobile skin, but also affects the realization of the lightweight goal of the automobile.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims to provide an aluminum alloy automobile skin structure that the quality is light and intensity is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an aluminum alloy automotive skin structure, comprising: the back of each aluminum alloy skin unit is provided with a connecting position connected with an automobile framework; the aluminum alloy skin unit thickening connecting structure is characterized in that the joints of two adjacent aluminum alloy skin units are thickened to form thickened connecting ends, and each connecting position is thickened at the corresponding connecting corner of the aluminum alloy skin unit through an inverted circular arc.

As a further explanation of the above scheme, a connecting portion is provided at the thickened connecting end, and two corresponding connecting portions are connected by a second bolt.

As a further explanation of the above solution, a groove is provided on one of the two connecting portions, and a protrusion that fits the groove is provided on the other of the two connecting portions.

As a further explanation of the above scheme, the two thickened connecting ends are overlapped by mutually matched inclined surfaces.

As a further explanation of the above scheme, the linking site is an L-type linking site or an inverted L-type linking site or a type linking site; the horizontal plane of the connecting position is fixedly connected with the automobile framework through a first bolt.

As a further explanation of the above scheme, the connecting portion is integrally formed on the back surface of the aluminum alloy skin unit.

As a further explanation of the above scheme, a plurality of reinforcing ribs are arranged on the back surface of the aluminum alloy skin unit.

As a further explanation of the scheme, the whole aluminum alloy automobile skin structure is arc-shaped.

The utility model has the advantages that:

the aluminum alloy skin units with thin wall thickness and light weight are firmly connected into a whole by arranging the thickened connecting ends and the fillet thickened structures on the aluminum alloy skin units, so that the aluminum alloy skin units have enough strength, and the light weight of an automobile is realized; the connecting strength between the automobile framework and the skin is enhanced by thickening the inverted arc, and the influence of dark marks on the surface on the appearance effect when the alloy section is produced by extrusion is avoided; the thickening link prevents to connect the position because of the not enough bending deformation of intensity.

And the automobile framework and the aluminum alloy automobile skin are connected by bolts, so that the automobile framework and the aluminum alloy automobile skin are convenient and quick to install and disassemble, the labor cost is reduced, and the replacement and recovery of the skin with damaged surface are facilitated.

Drawings

Fig. 1 shows that the utility model provides an aluminum alloy automobile skin structure's block diagram.

Fig. 2 shows that the utility model provides an aluminum alloy automobile skin structure's side view.

Description of reference numerals:

1: first bolt, 2: inverted arc, 3: reinforcing rib, 4: connecting part, 5: thickening link, 6: and a second bolt.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

As shown in fig. 1 and 2, an aluminum alloy automobile skin structure includes: the back of each aluminum alloy skin unit is provided with a connecting position connected with an automobile framework; the aluminum alloy skin unit thickening connecting structure is characterized in that the joints of two adjacent aluminum alloy skin units are thickened to form thickened connecting ends 5, and each connecting position is thickened with the corresponding connecting corner of the aluminum alloy skin unit through an inverted arc 2.

Wherein, thickening link 5 is equipped with connecting portion 4, corresponding two connect through second bolt 6 between the connecting portion 4. One of the two connecting parts is provided with a groove, and the other of the two connecting parts is provided with a protrusion matched with the groove. The larger the specification and the size of the aluminum alloy section are, the larger the wall thickness required by extrusion production is, so that the production cost of the automobile skin is increased, the realization of the lightweight target of the automobile is influenced, and the aluminum alloy skin units with thinner wall thickness and lighter weight are firmly connected into a whole through the second bolts, so that the cost is reduced, and the lightweight of the automobile is realized.

Two thickening link 5 is through the inclined plane overlap joint of mutually supporting.

In this embodiment, the connection position is an L-shaped connection position or a reverse L-shaped connection position or a profile connection position integrally formed on the back surface of the aluminum alloy skin unit. The horizontal plane of the connecting position and the automobile framework are both provided with through holes, and the connecting piece is a first bolt 1. The automobile framework and the aluminum alloy automobile skin are connected through bolts, so that the automobile framework and the aluminum alloy automobile skin are convenient and quick to mount and dismount, labor cost is reduced, and the aluminum alloy automobile skin with damaged surfaces is convenient to replace and recycle.

Preferably, the connecting position and the corresponding connecting corner of the aluminum alloy skin unit are thickened through an inverted arc 2. The design of the inverted great circular arc strengthens the connection strength between the automobile framework and the aluminum alloy automobile skin, and simultaneously avoids the influence on the appearance effect caused by the appearance of dark marks on the surface when the aluminum alloy automobile skin is produced by extrusion.

The back of the aluminum alloy skin unit is provided with a plurality of reinforcing ribs 3. The design of reinforcing ribs is added at intervals at the bottoms of the long edges of the aluminum alloy skin units, so that the strength of the long edges of the aluminum profiles is enhanced, and the profiles are prevented from deforming in the extrusion or transportation process.

Further preferably, the aluminum alloy automobile skin is designed into an arc shape integrally, has line feeling and is attractive in appearance.

Compared with the prior art, the aluminum alloy automobile skin structure provided by the embodiment has the following characteristics: 1) the thickened connecting end and the fillet thickened structure are arranged on the aluminum alloy skin units, so that the aluminum alloy skin units with thin wall thickness and light weight are firmly connected into a whole and have enough strength, and the light weight of an automobile is realized; the connecting strength between the automobile framework and the skin is enhanced by thickening the inverted arc, and the influence of dark marks on the surface on the appearance effect when the alloy section is produced by extrusion is avoided; the thickening link prevents to connect the position because of the not enough bending deformation of intensity. 2) The automobile framework and the aluminum alloy automobile skin are connected through bolts, so that the automobile framework and the aluminum alloy automobile skin are convenient and quick to mount and dismount, labor cost is reduced, and meanwhile the skin with a damaged surface is convenient to replace and recycle.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (8)

1. An aluminum alloy automotive skin structure, comprising: the back of each aluminum alloy skin unit is provided with a connecting position connected with an automobile framework; the aluminum alloy skin unit thickening connecting structure is characterized in that the joints of two adjacent aluminum alloy skin units are thickened to form thickened connecting ends, and each connecting position is thickened at the corresponding connecting corner of the aluminum alloy skin unit through an inverted circular arc.

2. The aluminum alloy automobile skin structure according to claim 1, wherein a connecting portion is provided at the upset connecting end, and two corresponding connecting portions are connected by a second bolt.

3. The aluminum alloy automobile skin structure according to claim 2, wherein a groove is provided on one of the two connection portions, and a protrusion that fits the groove is provided on the other of the two connection portions.

4. The aluminum alloy automobile skin structure according to claim 1, wherein the two thickened connecting ends are overlapped by mutually matched inclined surfaces.

5. The aluminum alloy automobile skin structure according to claim 1, wherein the connection positions are L-shaped connection positions or reverse L-shaped connection positions or type connection positions; the horizontal plane of the connecting position is fixedly connected with the automobile framework through a first bolt.

6. The aluminum alloy automobile skin structure according to claim 1, wherein the connecting portions are integrally formed on the back surfaces of the aluminum alloy skin units.

7. The aluminum alloy automobile skin structure according to claim 1, wherein a plurality of reinforcing ribs are provided on the back surface of the aluminum alloy skin unit.

8. The aluminum alloy automobile skin structure according to claim 1, wherein the aluminum alloy automobile skin structure is arc-shaped as a whole.

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