CN210478828U

CN210478828U - Engine bonnet inner panel structure and car

Info

Publication number: CN210478828U
Application number: CN201920962785.9U
Authority: CN
Inventors: 张磊; 高庆利; 周伟
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-05-08
Anticipated expiration: 2029-06-25

Abstract

The utility model provides an engine cover inner plate structure and an automobile, wherein the engine cover inner plate structure comprises a trapezoidal stamping groove and a boundary beam; the trapezoidal stamping groove is arranged in the middle of the inner plate; the trapezoidal stamping groove is surrounded by the edge beam; a hollow part is arranged on the inner plate; a plurality of hollow parts are provided; the hollow parts are arranged in the trapezoidal stamping groove in parallel; the plurality of hollow parts are connected with the longitudinal beam through the cross beam; the side beam is provided with a plurality of square through holes at the left side and the right side of the trapezoidal stamping groove; through adopting above technical scheme, under the intensity that satisfies bonnet assembly and the anti concave performance condition on bonnet outer panel surface, not only reduce the weight of bonnet inner panel, but also improve pedestrian's security.

Description

Engine bonnet inner panel structure and car

Technical Field

The utility model belongs to the technical field of the car outer covering piece, concretely relates to engine hood inner panel structure and car.

Background

In recent years, the economy and the automobile industry of China are rapidly developed, automobiles gradually enter thousands of households, and the road safety problem becomes a concern of people as the number of the automobiles on a road increases; automobile manufacturers not only consider the safety of passengers on the automobile, but also the safety of pedestrians on the road.

In China, a great part of pedestrian traffic accidents are indeed caused by pedestrian violation, but according to the traffic safety 3E theory (engineering, education, regulation), the creation of objective conditions for pedestrian protection is one of the prerequisites, which once is only a few years of social responsibility of manufacturers, and through the regulation and tests such as EuronCAP, the engineering for pedestrian protection becomes something that automobile manufacturers have to face; and the automobile engine cover assembly occupies a great probability in collision with the pedestrian, so that the design of the automobile engine cover is continuously optimized in the industry, the performance of the engine cover is ensured, and the safety of the pedestrian is also ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the weak point that exists among the above-mentioned technique, provide an engine cover inner panel structure and car, aim at solving the low problem of pedestrian protection security of current engine cover inner panel structure.

The utility model provides an inner plate structure of an engine cover, which comprises a trapezoidal stamping groove and a boundary beam; the trapezoidal stamping groove is arranged in the middle of the inner plate; the trapezoidal stamping groove is surrounded by the edge beam; a hollow part is arranged on the inner plate; a plurality of hollow parts are provided; the hollow parts are arranged in the trapezoidal stamping groove in parallel; the plurality of hollow parts are connected with the longitudinal beam through the cross beam; the side beam is provided with a plurality of square through holes at the left side and the right side of the trapezoidal stamping groove.

Furthermore, the hollow parts comprise a first row of hollow parts, a second row of hollow parts and a third row of hollow parts; the first row of hollow parts, the second row of hollow parts and the third row of hollow parts are arranged in the trapezoidal stamping groove in parallel; the first row of hollow-out parts, the second row of hollow-out parts and the third row of hollow-out parts are connected with the longitudinal beam through cross beams which are perpendicular to each other.

Furthermore, expansion glue grooves are formed in the cross beam and the longitudinal beam; a plurality of expansion glue grooves are formed; the depth of the expansion glue groove is 5-10 mm; the length of the expansion glue groove is 30-50 mm.

Further, the device also comprises a circular boss; the circular bosses are arranged on two sides of the inner plate; a plurality of circular bosses are provided; round holes are formed on the round bosses; the round hole is used for installing buffer rubber.

Furthermore, a plurality of strip-shaped through holes are formed in the upper end and the lower end of the trapezoidal stamping groove of the edge beam.

Furthermore, a plurality of round through holes and square through holes are formed in the inner plate and the headlamp.

Further, the hollow-out part is arranged in the middle of the grid lines.

Furthermore, a plurality of soundproof cotton mounting holes are formed in the periphery of the inner plate.

Further, the material of the inner plate is one of steel, aluminum or composite material.

Correspondingly, the utility model also provides an automobile, which comprises an engine cover inner plate structure; the engine cover inner plate structure is the engine cover inner plate structure.

The technical proposal provided by the utility model comprises a trapezoidal stamping groove and an edge beam; the trapezoidal stamping groove is arranged in the middle of a pedestrian protection standard collision grid line; the trapezoidal stamping groove is surrounded by the edge beam; a first row of hollow parts, a second row of hollow parts and a third row of hollow parts are arranged in the trapezoidal stamping groove; the first row of hollow parts, the second row of hollow parts and the third row of hollow parts are polygonal through holes; the first row of hollow parts, the second row of hollow parts and the third row of hollow parts are arranged in the trapezoidal stamping groove in parallel; the first row of hollow parts, the second row of hollow parts and the third row of hollow parts are connected with the longitudinal beam through cross beams which are perpendicular to each other; the side beam is provided with a plurality of square through holes at the left side and the right side of the trapezoidal stamping groove; the inner plate is provided with a plurality of round through holes and square through holes at the headlamp; by adopting the technical scheme, the pedestrian protection safety is greatly improved, the weight is light, the structure is simple, the attractiveness is achieved, the requirement of C-NCAP five stars is met, and the pedestrian protection safety system is safe, reliable and low in cost.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of an inner plate structure of an engine cover according to the present invention;

fig. 2 is the utility model relates to a pedestrian protection of engine hood inner panel structure collides net lines structure schematic diagram.

In the figure: 1-trapezoidal stamping a groove; 2-edge beam; 3-a hollowed-out part; 4-a cross beam; 5-longitudinal beams; 6-square through holes; 7-expansion glue groove; 8-round boss; 9-grid lines.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments in the present application may be combined with each other; the present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the utility model provides an engine cover inner plate structure, which comprises a trapezoidal stamping groove 1 and an edge beam 2; the trapezoidal stamping groove 1 is arranged in the middle of the inner plate; the edge beam 2 surrounds the trapezoidal stamping groove 1; a hollow part 3 is arranged on the inner plate; a plurality of hollow parts 3 are provided; the hollow parts 3 are arranged in the trapezoidal stamping groove 1 in parallel; the hollow parts 3 are arranged in the trapezoidal stamping groove 1 in parallel; the hollow parts 3 are connected with the longitudinal beam 5 through the cross beam 4; the side beam 2 is provided with a plurality of square through holes 6 at the left side and the right side of the trapezoidal stamping groove 1; by adopting the technical scheme, under the conditions of meeting the strength of the engine cover assembly and the anti-concave performance of the surface of the outer plate of the engine cover, the weight of the inner plate of the engine cover is reduced, the attractiveness of the engine cover is ensured simultaneously, and the safety of pedestrian protection is also improved.

Preferably, with reference to the above solutions, as shown in fig. 1 to fig. 2, in this embodiment, the hollow portions 3 include a first row of hollow portions, a second row of hollow portions, and a third row of hollow portions; the first row of hollow parts, the second row of hollow parts and the third row of hollow parts are polygonal through holes; the first row of hollow parts, the second row of hollow parts and the third row of hollow parts are arranged in the trapezoidal stamping groove 1 in parallel; the first row of hollow-out parts, the second row of hollow-out parts and the third row of hollow-out parts are connected with the longitudinal beam 5 through the cross beams 4 which are perpendicular to each other; specifically, the number of the hollow parts 3 of the first row of hollow parts is 4-6, the number of the hollow parts 3 of the second row of hollow parts is 4-6, the number of the hollow parts 3 of the third row of hollow parts is 4-6, the number of the hollow parts 3 of the first row of hollow parts is preferably 5, and the number of the hollow parts 3 of the second row of hollow parts and the number of the hollow parts 3 of the third row of hollow parts are preferably 4 respectively; furthermore, expansion glue grooves 7 are formed in the cross beam 4 and the longitudinal beam 5; a plurality of expansion glue grooves 7 are formed; the depth of the expansion glue groove 7 is 5-10 mm; the length of the expansion glue groove 7 is 30-50 mm; specifically, the expansion glue is filled between the engine outer plate and the engine inner plate through the expansion glue groove 7 to buffer the engine outer plate, and meanwhile, the engine cover outer plate is an outer decoration piece, and a spot welding mode is avoided when the engine cover outer plate is connected with the engine cover inner plate, so that the expansion glue is used for fixedly supporting the engine outer plate, the attractiveness of the engine cover outer plate is increased, the strength and the dent resistance of the engine cover outer plate are guaranteed simultaneously, and the pedestrian safety protection is facilitated.

Preferably, in combination with the above scheme, as shown in fig. 1 to 2, in this embodiment, a circular boss 8 is further included; the circular bosses 8 are arranged on two sides of the inner plate; a plurality of circular bosses 8 are provided; round holes are formed on the round bosses 8; the round hole is used for installing buffer rubber to prevent the engine cover from deforming due to large acceleration when the engine cover is closed.

Preferably, combine above-mentioned scheme, as shown in fig. 1 to 2, in this embodiment, the boundary beam 2 is opened at trapezoidal punching press recess 1 upper and lower both ends and is had a plurality of rectangular shape through-holes to weaken intensity here, in order to reach the effect that promotes pedestrian's protection, thereby promote pedestrian's protection's security performance, reduce bonnet to pedestrian's injury, still reduce the weight of inner panel simultaneously, be of value to the automobile body lightweight, reduce oil consumption.

Preferably, in combination with the above solutions, as shown in fig. 1 to 2, in the present embodiment, the inner panel is provided with a plurality of circular through holes and square through holes 6 at the headlight, so as to weaken the strength at this position, thereby achieving the effect of improving pedestrian protection, and simultaneously reducing the weight of the inner panel, which is beneficial to the light weight of the vehicle body and the reduction of fuel consumption.

Preferably, with the above solutions combined, as shown in fig. 1 to 2, in the present embodiment, the hollow portion 3 is disposed in the middle of the grid lines 9, the grid lines 9 are pedestrian protection standard collision areas, and the bonnet inner panel cross member 4 and the side members 5 are disposed in the middle of the grid lines 9 as much as possible.

Preferably, in combination with the above solutions, as shown in fig. 1 to 2, in this embodiment, a plurality of soundproof cotton mounting holes are further formed around the inner panel to mount soundproof cotton, so that noise in the engine compartment is reduced to be transmitted to the cab, and influence on driving feeling of a user due to noise is avoided.

Preferably, in combination with the above solutions, as shown in fig. 1 to 2, in the present embodiment, the material of the inner plate is one of steel, aluminum material, or composite material.

The technical proposal provided by the utility model comprises a trapezoidal stamping groove 1 and an edge beam 2; the trapezoidal stamping groove 1 is arranged in the middle of a pedestrian protection standard collision grid line 9; the edge beam 2 surrounds the trapezoidal stamping groove 1; a first row of hollow parts, a second row of hollow parts and a third row of hollow parts are arranged in the trapezoidal stamping groove 1; the first row of hollow parts, the second row of hollow parts and the third row of hollow parts are polygonal through holes; the first row of hollow parts, the second row of hollow parts and the third row of hollow parts are arranged in the trapezoidal stamping groove 1 in parallel; the first row of hollow-out parts, the second row of hollow-out parts and the third row of hollow-out parts are connected with the longitudinal beam 5 through the cross beams 4 which are perpendicular to each other; the side beam 2 is provided with a plurality of square through holes 6 at the left side and the right side of the trapezoidal stamping groove 1; the inner plate is provided with a plurality of round through holes and square through holes 6 at the headlamp; by adopting the technical scheme, the pedestrian protection safety is greatly improved, the weight is light, the structure is simple, the attractiveness is achieved, the requirement of C-NCAP five stars is met, and the pedestrian protection safety system is safe, reliable and low in cost.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.

Claims

1. An engine cover inner plate structure is characterized by comprising a trapezoidal stamping groove (1) and an edge beam (2); the trapezoidal stamping groove (1) is arranged in the middle of the inner plate; the edge beam (2) surrounds the trapezoidal stamping groove (1); a hollow part (3) is arranged on the inner plate; a plurality of hollow parts (3) are arranged; the hollow parts (3) are arranged in the trapezoidal stamping groove (1) in parallel; the hollow parts (3) are connected with the longitudinal beam (5) through a cross beam (4); the side beam (2) is provided with a plurality of square through holes (6) at the left side and the right side of the trapezoidal stamping groove (1).

2. The engine head inner panel structure according to claim 1, characterized in that the hollowed-out portions (3) include a first row of hollowed-out portions, a second row of hollowed-out portions, and a third row of hollowed-out portions; the first row of hollow parts, the second row of hollow parts and the third row of hollow parts are arranged in the trapezoidal stamping groove (1) in parallel; the first row of hollow-out parts, the second row of hollow-out parts and the third row of hollow-out parts are connected with the longitudinal beam (5) through the cross beam (4) which is perpendicular to the cross beam.

3. The engine cover inner plate structure according to claim 2, characterized in that expansion glue grooves (7) are arranged on the cross beam (4) and the longitudinal beam (5); the number of the expansion glue grooves (7) is multiple; the depth of the expansion glue groove (7) is 5-10 mm; the length of the expansion glue groove (7) is 30-50 mm.

4. The engine head inner panel structure according to claim 1, characterized by further comprising a circular boss (8); the circular bosses (8) are arranged on two sides of the inner plate; the number of the circular bosses (8) is multiple; round holes are formed in the round bosses (8); the round hole is used for installing buffer rubber.

5. The engine cover inner plate structure according to claim 1, wherein the edge beam (2) is provided with a plurality of elongated through holes at the upper and lower ends of the trapezoidal stamping groove (1).

6. The engine cover inner panel structure according to claim 1, characterized in that the inner panel is perforated with a plurality of circular and square through holes (6) at the headlights.

7. The engine cover inner panel structure according to claim 1, characterized in that the hollowed-out portion (3) is provided in the middle of the grid line (9).

8. The engine cover inner panel structure of claim 1, wherein a plurality of soundproof cotton mounting holes are further formed around the inner panel.

9. The engine cover inner panel structure according to claim 1, wherein the material of the inner panel is one of steel, aluminum or a composite material.

10. An automobile includes an engine cover inner panel structure; characterized in that the engine cover inner panel structure is the engine cover inner panel structure of any one of the above claims 1 to 9.