CN219406625U

CN219406625U - Light aluminum alloy front cover structure of automobile

Info

Publication number: CN219406625U
Application number: CN202320881888.9U
Authority: CN
Inventors: 刘唐英; 杨茂月; 王成阳; 刘佳朋; 李达
Original assignee: Yantai University
Current assignee: Yantai University
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-25
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a lightweight aluminum alloy front cover structure of an automobile, which comprises an outer plate and a front cover inner plate in the outer plate, wherein the outer plate comprises a middle outer plate, a first side outer plate and a second side outer plate, the first side outer plate and the second side outer plate are respectively arranged on two sides of the middle outer plate, the middle outer plate is made of an aluminum alloy material, and the first side outer plate and the second side outer plate are both made of a continuous fiber reinforced thermoplastic composite material; the automobile front cover outer plate is divided into the first side outer plate, the middle outer plate and the second side outer plate part by arranging the automobile front cover outer plate, wherein the middle outer plate is made of an aluminum alloy material, the front cover is made of a continuous fiber reinforced thermoplastic composite material, the first side outer plate and the second side outer plate are light in weight, good in shock resistance, good in fatigue resistance and excellent in creep resistance, and energy of external collision and impact is absorbed more easily, so that the strength and rigidity requirements of the automobile front cover are met, and on the other hand, the weight of a product is small, and the light-weight requirement can be met.

Description

Light aluminum alloy front cover structure of automobile

Technical Field

The utility model relates to the technical field of automobiles, in particular to a lightweight aluminum alloy front cover structure of an automobile.

Background

The automobile cabin front cover is one of automobile body components, is installed at the top of the cabin, has the effects of heat insulation and sound insulation for the cabin, can also shield rain and sun, prevent rainwater and dust from entering the engine cabin, protect an engine and peripheral pipeline accessories, and can be turned backwards and opened.

The cabin front cover is an important component part of an automobile, and generally comprises structures such as an outer plate, an inner plate, a hinge, a lock hole reinforcing plate and the like, and is an important component part of an automobile body structure; because the automobile needs certain intensity, needs to insulate against heat simultaneously, traditional cabin front shroud generally adopts panel beating stamping forming, has better intensity and rigidity for the thickness of automobile engine hood is great, can't realize the target of automobile lightweight.

Therefore, we propose a lightweight aluminum alloy front cover structure of an automobile.

Disclosure of Invention

In order to overcome the above disadvantages, the present utility model provides a lightweight aluminum alloy front cover structure of an automobile, which overcomes or at least partially solves the above technical problems.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a light-weight aluminum alloy front shroud structure of car, includes planking and its inside front shroud inner panel, the planking includes well planking, first side planking and second side planking set up respectively in the both sides of well planking, well planking adopts aluminum alloy material to make, first side planking and second side planking all adopt continuous fiber reinforcement thermoplastic composite to make, the bottom center department of front shroud inner panel has seted up the weight-reducing inner chamber, be provided with the lining support in the weight-reducing inner chamber, the surface of lining support is equipped with a plurality of strengthening ribs.

And a gap is reserved between the outer plate and the front cover inner plate and is filled with a foam metal plate layer, and the foam metal plate layer is arranged as a foam aluminum sandwich plate.

As an optimal technical scheme of the lightweight aluminum alloy front cover structure of the automobile, a plurality of process lightening holes are formed in the edge of the front cover inner plate at equal intervals, and a plurality of mounting holes are formed in the periphery of the front cover inner plate.

As an optimal technical scheme of the lightweight aluminum alloy front cover structure of the automobile, a lock hole is formed in the edge of the front cover inner plate, close to the front end, of the front cover inner plate, hinge mounting grooves are formed in two sides of the front cover inner plate, close to the rear end, of the front cover inner plate, and hinge holes are formed in each hinge mounting groove.

As the preferable technical scheme of the lightweight aluminum alloy front cover structure of the automobile, a plurality of first reinforcing blocks are arranged at the edge of the inner plate of the front cover at equal intervals, and a plurality of second reinforcing blocks are distributed between the weight-reducing inner cavity and the lining support at equal intervals.

As an optimal technical scheme of the lightweight aluminum alloy front cover structure of the automobile, the front cover inner plate is integrally made of aluminum alloy, and the lining support is integrally made of glass fiber composite material.

As an optimal technical scheme of the lightweight aluminum alloy front cover structure of the automobile, the process lightening holes are distributed in a strip shape, and the process lightening holes are annular.

Compared with the prior art, the utility model has the following beneficial effects:

1. the automobile front cover outer plate is divided into the first side outer plate, the middle outer plate and the second side outer plate part, wherein the middle outer plate is made of an aluminum alloy material, so that the front cover has enough strength and rigidity, the first side outer plate and the second side outer plate are made of continuous fiber reinforced thermoplastic composite materials, the automobile front cover is light in weight, good in shock resistance, good in fatigue resistance and excellent in creep resistance, and energy of external collision and impact is absorbed more easily, on one hand, the strength and rigidity requirements of the automobile front cover are met, and on the other hand, the weight of the automobile front cover is small, and the light-weight requirement can be met;

2. the front cover inner plate is made of aluminum alloy materials, so that the rigidity of the inner plate is increased, the impact resistance is improved, the overall weight is lighter, the requirement on light weight of a vehicle is met, compared with a sheet metal cabin front cover, the cost is saved, the overall weight of the vehicle body is effectively reduced, meanwhile, the weight-reducing inner cavity is formed, the front cover quality is reduced, the light weight is realized, the inner lining support and the reinforcing ribs are arranged in the weight-reducing inner cavity to strengthen the strength and the bending and torsion resistance of the front cover inner plate, the requirement on the concave resistance of the engine cover can be met, and the requirement on pedestrian protection can be met.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram showing a front cross-sectional structure of a front hood inner panel according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.

Wherein: 1. an outer plate; 101. a middle outer plate; 102. a first side outer panel; 103. a second side outer panel; 2. a front cover inner plate; 3. a process lightening hole; 4. a mounting hole; 5. a lock hole; 6. a hinge mounting groove; 7. a hinge hole; 8. a first reinforcing block; 9. a weight-reducing lumen; 10. lining a support; 11. a weight reduction groove; 12. reinforcing ribs; 13. a second reinforcing block; 14. a foam metal plate layer.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

referring to fig. 1-4, a lightweight aluminum alloy front cover structure of an automobile comprises an outer plate 1 and a front cover inner plate 2 inside the outer plate 1, wherein the outer plate 1 comprises a middle outer plate 101, a first side outer plate 102 and a second side outer plate 103, the first side outer plate 102 and the second side outer plate 103 are respectively arranged on two sides of the middle outer plate 101, the middle outer plate 101 is made of an aluminum alloy material, the first side outer plate 102 and the second side outer plate 103 are made of continuous fiber reinforced thermoplastic composite materials, a weight-reducing inner cavity 9 is formed in the center of the bottom of the front cover inner plate 2, a lining support 10 is arranged in the weight-reducing inner cavity 9, and a plurality of reinforcing ribs 12 are arranged on the surface of the lining support 10.

In other embodiments, a gap is reserved between the outer plate 1 and the front cover inner plate 2 and is filled with a foam metal plate layer 14, the foam metal plate layer 14 is arranged as a foam aluminum sandwich plate, and on the basis of ensuring the structural strength of the front cover of the vehicle, the performance of pedestrian protection is improved, and the impact resistance is improved.

In other embodiments, a plurality of process lightening holes 3 are formed at the edge of the front cover inner plate 2 at equal intervals, a plurality of mounting holes 4 are formed at the periphery of the front cover inner plate 2, and a plurality of process lightening holes 3 are formed, so that the weight of the front cover inner plate 2 is reduced, and the requirement on the weight reduction of the vehicle is met.

In other embodiments, the edge of the front cover inner plate 2 near the front end is provided with a lock hole 5, both sides of the front cover inner plate 2 near the rear end are provided with hinge mounting grooves 6, each hinge mounting groove 6 is internally provided with a hinge hole 7, the hinge is arranged on the hinge hole 7 and connected with the vehicle body, and the hinge mounting groove 6 strengthens the strength of the position of the hinge, so that the hinge is more firmly mounted.

In other embodiments, a plurality of first reinforcing blocks 8 are arranged at the edge of the front cover inner plate 2 at equal intervals, a plurality of second reinforcing blocks 13 are distributed between the weight-reducing inner cavity 9 and the lining support 10 at equal intervals, and the strength and the bending resistance of the front cover inner plate 2 are increased by using the first reinforcing blocks 8 and the second reinforcing blocks 13.

In other embodiments, the front cover inner plate 2 is integrally made of aluminum alloy, so that the rigidity of the front cover inner plate 2 is increased, the impact resistance is improved, the overall weight is lighter, the requirement for light weight of the vehicle is met, compared with a sheet metal cabin front cover, the cost is saved, the overall weight of the vehicle body is effectively reduced, and the lining support 10 is integrally made of a glass fiber composite material.

In other embodiments, the process lightening holes 3 are distributed in a strip shape, and the process lightening holes 3 are provided in a ring shape.

When the automobile front cover outer plate 1 is used, the automobile front cover outer plate 1 is divided into the middle outer plate 101, the first side outer plate 102 and the second side outer plate 103, wherein the middle outer plate 101 is made of an aluminum alloy material, the front cover is made of a continuous fiber reinforced thermoplastic composite material, the first side outer plate 102 and the second side outer plate 103 are made of a continuous fiber reinforced thermoplastic composite material, the automobile front cover is light in weight, good in shock resistance, good in fatigue resistance and excellent in creep resistance, and can absorb the energy of external collision and impact more easily, on one hand, the strength and rigidity requirements of the automobile front cover are met, on the other hand, the weight of the automobile front cover is small, the light weight requirements can be met, meanwhile, the front cover inner plate 2 is made of an aluminum alloy material, the rigidity of the front cover inner plate 2 is increased, the shock resistance is improved, the overall weight is lighter, the requirement on the automobile is met, compared with a sheet metal cabin front cover, the cost is saved, the overall weight of the automobile body is effectively reduced, meanwhile, the weight of the front cover inner plate 2 is internally provided with the weight-reducing inner cavity 9, the inner lining support 10 and the plurality of reinforcing ribs 12 are arranged in the weight-reducing inner cavity 9 to strengthen the strength and the front cover inner plate and the anti-bending performance requirements of the front cover can also meet the requirements on the front cover.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lightweight aluminum alloy front shroud structure of car, includes planking (1) and its inside front shroud inner panel (2), its characterized in that: the outer plate (1) comprises a middle outer plate (101), a first side outer plate (102) and a second side outer plate (103), wherein the first side outer plate (102) and the second side outer plate (103) are respectively arranged on two sides of the middle outer plate (101), the middle outer plate (101) is made of an aluminum alloy material, the first side outer plate (102) and the second side outer plate (103) are both made of continuous fiber reinforced thermoplastic composite materials, a weight-reducing inner cavity (9) is formed in the center of the bottom of the front cover inner plate (2), a lining support (10) is arranged in the weight-reducing inner cavity (9), and a plurality of reinforcing ribs (12) are arranged on the surface of the lining support (10); a plurality of process lightening holes (3) are formed in the edge of the front cover inner plate (2) at equal intervals, and a plurality of mounting holes (4) are formed in the periphery of the front cover inner plate (2); the process lightening holes (3) are distributed in a strip shape, and the process lightening holes (3) are arranged in a ring shape; the edge of front shroud inner panel (2) front end is equipped with lockhole (5), the both sides of front shroud inner panel (2) rear end all are equipped with hinge mounting groove (6), every all be equipped with hinge hole (7) in hinge mounting groove (6).

2. The lightweight aluminum alloy front cover structure of an automobile as claimed in claim 1, wherein: a gap is reserved between the outer plate (1) and the front cover inner plate (2) and is filled with a foam metal plate layer (14), and the foam metal plate layer (14) is arranged to be a foam aluminum sandwich plate.

3. The lightweight aluminum alloy front cover structure of an automobile according to claim 1 or 2, characterized in that: a plurality of first reinforcing blocks (8) are arranged at the edge of the front cover inner plate (2) at equal intervals, and a plurality of second reinforcing blocks (13) are distributed between the weight-reducing inner cavity (9) and the lining support (10) at equal intervals.

4. The lightweight aluminum alloy front cover structure of an automobile according to claim 1 or 2, characterized in that: the front cover inner plate (2) is integrally made of aluminum alloy, and the lining support (10) is integrally made of glass fiber composite material.

5. A lightweight aluminum alloy front cover structure for an automobile as claimed in claim 3, wherein: the front cover inner plate (2) is integrally made of aluminum alloy, and the lining support (10) is integrally made of glass fiber composite material.