CN212766488U

CN212766488U - Cabin cover and vehicle with same

Info

Publication number: CN212766488U
Application number: CN202020803616.3U
Authority: CN
Inventors: 王传青; 贾存利; 于欢
Original assignee: BAIC Motor Co Ltd
Current assignee: BAIC Motor Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-03-23
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses an engine compartment cover and have its vehicle, the engine compartment cover includes planking and inner panel. The outer plate is connected with the inner plate, a plurality of stress release grooves are formed in the edge of the inner plate, and the stress release grooves extend inwards from the edge of the inner plate. According to the utility model discloses an engine room cover through set up stress relief groove on the inner panel, can alleviate or even eliminate the stress concentration that inner panel temperature variation brought, makes the manufacturing of engine room cover more simple, reliable, and has promoted the durability of engine room cover, and sets up the weight and the materials that stress relief groove can lighten the inner panel on the inner panel, is favorable to the lightweight of automobile body, and can reduce the manufacturing cost of engine room cover, promotes pedestrian's protective capability simultaneously.

Description

Cabin cover and vehicle with same

Technical Field

The utility model belongs to the technical field of the vehicle manufacturing, particularly, relate to cabin cover and have its vehicle.

Background

The traditional steel cabin cover meets the requirements of performance, manufacturing process, cost and the like, but has higher weight. The weight reduction is difficult to a great extent through the structural optimization mode, and the lightweight design can be carried out only by adopting a mode of replacing materials.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses an aim at provides a cabin cover and have its vehicle.

According to the utility model discloses a cabin cover and have its vehicle, cabin cover includes planking and inner panel, the planking with the inner panel links to each other, just be equipped with a plurality of stress relief groove on the border of inner panel, stress relief groove by the border of inner panel inwards extends.

According to the utility model discloses an engine room cover through set up stress relief groove on the inner panel, can alleviate or even eliminate the stress concentration that inner panel temperature variation brought, makes the manufacturing of engine room cover more simple, reliable, and has promoted the durability of engine room cover, and sets up the weight and the materials that stress relief groove can lighten the inner panel on the inner panel, is favorable to the lightweight of automobile body, and can reduce the manufacturing cost of engine room cover, promotes pedestrian's protective capability simultaneously.

According to the utility model discloses a cabin cover, stress relief groove's extending direction is followed the normal direction at the border of inner panel.

According to the utility model discloses an embodiment's cabin cover, the border of inner panel includes front edge, back border and side edge, stress relief groove establishes the front edge with the side edge.

According to the utility model discloses a cabin cover, the outer end of stress relief groove is opened, the inboard border fillet transition of stress relief groove.

According to the utility model discloses a cabin cover, the planking is detained and is established on the inner panel, the border of planking is equipped with the borduring of inside buckling, the cladding of borduring the border of inner panel.

According to the utility model discloses a cabin cover, bordure inwards extend's length is less than stress relief groove's length.

According to the utility model discloses a cabin cover, stress relief groove's width is D, satisfies: d is more than or equal to 3mm and less than or equal to 7mm, and the length of the stress release groove is L, so that L is more than or equal to 15mm and less than or equal to 25 mm.

According to the utility model discloses a cabin cover, two adjacent the open-ended spacing distance of stress relief groove is d, satisfies: d is more than or equal to 150mm and less than or equal to 250 mm.

According to the utility model discloses a cabin cover, the planking is made by the steel material, the inner panel is made by the aluminum alloy material.

The utility model also provides a vehicle, the vehicle includes according to the utility model discloses any one embodiment the cabin cover.

The vehicle and the cabin cover have the same advantages compared with the prior art, and the detailed description is omitted.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an outer panel according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an inner panel according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a nacelle cover according to an embodiment of the invention;

fig. 4 is a cross-sectional view of a nacelle cover at a strain relief groove according to an embodiment of the invention.

Reference numerals:

a nacelle cover 100;

an outer panel 1; wrapping 11;

an inner panel 2; a stress relief groove 21; a front edge 201; a side edge 202; a trailing edge 203.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes a cabin cover 100 and a vehicle having the same according to an embodiment of the present invention with reference to fig. 1 to 4.

According to the utility model discloses a cabin cover 100 includes planking 1 and inner panel 2, is connected by planking 1 and inner panel 2 and constitutes the cabin cover 100 of vehicle.

The edge of the inner plate 2 is provided with a plurality of stress relief grooves 21, the stress relief grooves 21 extend inward from the edge of the inner plate 2, and the "inward" refers to a direction extending from the edge of the inner plate 2 toward the center of the nacelle cover 100.

In some examples, the inner plate 2 may be made of an aluminum alloy material, the outer plate 1 is made of a steel material, when the inner plate 2 is manufactured, the inner plate 2 is formed through processes such as stamping, die casting and the like, the processing structure is complex, the stress release grooves 21 are formed in the inner plate 2, stress on the inner plate 2 can be effectively released, and due to the fact that the inner plate 2 and the outer plate 1 are made of different materials, thermal linear coefficients of the two parts are different, in the manufacturing process, the outer plate 1 and the inner plate 2 expand differently, so that stress concentration is generated on the inner plate 2, the stress release grooves 21 can relieve or even eliminate stress concentration caused by expansion of the inner plate 2, durability of the engine room cover 100 is improved, and due to the fact that the stress release grooves 21 are formed in the inner plate 2, weight and materials of the inner plate 2 can be reduced, light weight of a vehicle body is facilitated.

According to the utility model discloses a cabin cover 100 is through setting up stress relief groove 21 on the inner panel, can full play steel and aluminum alloy material's advantage, adopts easy shaping, the good, surperficial pleasing to the eye characteristics production cabin cover's of ductility planking 1 of steel. The inner plate 2 is made of an alloy having a low density, a low modulus of elasticity, and a light weight, and in some examples, the inner plate 2 may be made by a forging process. The cabin cover 100 combined by steel and aluminum alloy can realize better lightweight effect, and the inner plate 2 of the aluminum alloy material can be processed into a complex shape. Thereby improving the nacelle cover 100 stiffness, modal performance, and pedestrian protection score.

According to the utility model discloses an engine room cover 100, through set up stress relief groove 21 on inner panel 2, can alleviate or even eliminate the stress concentration that the collision of inner panel 2 brought, make the manufacturing of engine room cover 100 more simple, reliable, and promoted the durability of engine room cover 100, and set up stress relief groove 21 on inner panel 2 and can alleviate the weight and the materials of inner panel 2, be favorable to the lightweight of automobile body, and can reduce the manufacturing cost of engine room cover 100, promote pedestrian's protective capability simultaneously.

Some embodiments of a nacelle cover 100 according to the invention are described below with reference to fig. 1-4.

In some embodiments, as shown in fig. 2, the extension direction of the stress relief groove 21 is along the normal direction of the edge of the inner panel 2, that is, the extension direction of the stress relief groove 21 provided somewhere on the inner panel 2 is the same as the normal extension direction of the edge of the inner panel 2 at that place, and the stress relief groove 21 in such extension direction can better relieve the stress on the inner panel 2.

In some embodiments, as shown in fig. 2, the edges of the inner panel 2 include a front edge 201, a rear edge 203, and side edges 202, and the stress relief grooves 21 are provided at the front edge 201 and the side edges 202, and the side edges 202 are the edges on both lateral sides of the hood 100, that is, the edges on both sides in the left-right direction of the inner panel 2, and since it is necessary to connect the vehicle at the rear edge 203 of the hood 100 and to provide a hinge or the like at the rear end of the hood 100, providing the stress relief grooves 21 only at the front edge 201 and the side edges 202 of the inner panel 2 can secure the structural strength of the inner panel 2.

In some examples, as shown in fig. 2, the outer end of the stress relief groove 21 is open, i.e., the stress relief groove 21 is open at the edge of the inner panel 2 and extends inward, the edge of the inner side of the stress relief groove 21 is rounded, the stress relief groove 21 of this shape may facilitate manufacturing, and the inner side edge 202 of the stress relief groove 21 is rounded to prevent stress concentration at the stress relief groove 21.

In some embodiments, as shown in fig. 4, the outer plate 1 is buckled on the inner plate 2, the edge of the outer plate 1 is provided with an inward bent edge covering 11, and the edge covering 11 covers the edge of the inner plate 2, so that the manufacturing process for connecting the outer plate 1 and the inner plate 2 through the edge covering 11 is simple, the connecting effect is good, other connecting pieces are not required, the manufacturing cost is low, and the assembling process is simple.

In some embodiments, as shown in fig. 3 and 4, the inward extension length of the hem 11 is smaller than the length of the stress relief groove 21, i.e., the hem 11 does not completely cover the stress relief groove 21, thereby facilitating the stress relief groove 21 to relieve stress with high efficiency.

In some examples, as shown in fig. 2, the stress relief groove 21 has a width D that satisfies: d is more than or equal to 3mm and less than or equal to 7mm, and the length of the stress relief groove 21 is L, and L is more than or equal to 15mm and less than or equal to 25 mm. In some examples, D is 5mm, and L is 20mm, the stress relief groove 21 of this size can better relieve the stress on the inner panel 2 and ensure sufficient structural strength of the inner panel 2, and of course, the size of the stress relief groove 21 can be changed according to vehicle models of different sizes.

In some embodiments, as shown in fig. 2, the openings of two adjacent stress relief grooves 21 are spaced apart by a distance d that satisfies: d is 150mm ≦ d ≦ 250mm, for example, d ≦ 200mm, and the distance between two adjacent stress relief grooves 21 satisfies the above-described condition, so that the stress on the inner panel 2 can be sufficiently relieved, and the strength at the edge of the inner panel 2 can be ensured to be high.

According to the utility model discloses a vehicle includes according to the utility model discloses any embodiment cabin cover 100.

According to the utility model discloses a vehicle is through setting up according to the utility model discloses a cabin cover 100 to have corresponding advantage, make the manufacturing cost of vehicle reduce, promote the durability of the cabin cover 100 of vehicle, and be favorable to the lightweight of vehicle.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A nacelle cover, comprising:

an outer plate;

the outer plate is connected with the inner plate, a plurality of stress release grooves are formed in the edge of the inner plate, and the stress release grooves extend inwards from the edge of the inner plate.

2. The nacelle cover according to claim 1, wherein the stress relief groove extends in a direction along a normal to the edge of the inner panel.

3. The nacelle cover of claim 1, wherein the edges of the inner panel include a front edge, a rear edge, and side edges, and the stress relief groove is provided at the front edge and the side edges.

4. The nacelle cover of claim 1, wherein the stress relief slots are open at their outer ends and the inside edges of the stress relief slots are rounded off.

5. The engine room cover of claim 1, wherein the outer plate is fastened to the inner plate, and an inward-bent edge cover is provided at an edge of the outer plate, and covers the edge of the inner plate.

6. The nacelle cover of claim 5, wherein the inward extension of the binder is less than the length of the stress relief groove.

7. The nacelle cover according to any of claims 1-6, wherein the stress relief groove has a width D that satisfies: d is more than or equal to 3mm and less than or equal to 7mm, and the length of the stress release groove is L, so that L is more than or equal to 15mm and less than or equal to 25 mm.

8. The nacelle cover according to any of claims 1-6, wherein the openings of two adjacent stress relief slots are spaced apart by a distance d such that: d is more than or equal to 150mm and less than or equal to 250 mm.

9. The nacelle cover according to any of claims 1-6, wherein the outer plate is made of a steel material and the inner plate is made of an aluminum alloy material.

10. A vehicle, characterized by comprising a nacelle cover as claimed in any one of claims 1 to 9.