CN117184242A - Engine hood inner plate assembly, engine hood and automobile - Google Patents

Abstract

The invention discloses an engine hood inner plate assembly, an engine hood and an automobile, wherein the engine hood inner plate assembly comprises an inner plate, a lock reinforcing plate, an outer plate reinforcing plate and a hinge reinforcing plate; the lock reinforcing plate is connected to the upper surface of the first edge of the inner plate; the outer plate reinforcing plate is connected to the upper surface of the second edge of the inner plate; the hinge reinforcing plates are connected to the upper surfaces of the inner plates at two sides of the outer plate reinforcing plates; the first edge and the second edge of the inner plate are arranged opposite to each other. The inner plate comprises a plurality of first lightening holes; the first lightening holes are formed in an inner plate area between the lock reinforcing plate, the outer plate reinforcing plate and the hinge reinforcing plate; according to the invention, the light weight design of the automobile is realized, the space and the connection structure strength of the inner plate and the outer plate are improved by arranging the reinforcing plate between the inner plate and the outer plate, the performance requirement of the engine cover is met, the weight is obviously reduced, and the optimal weight reduction effect is achieved when the aluminum material is adopted.

Description

Engine hood inner plate assembly, engine hood and automobile

Technical Field

The invention relates to the field of automobile manufacturing, in particular to an engine hood inner plate assembly, an engine hood and an automobile.

Background

The existing engine cover structure adopts a steel integrated structure. The steel engine hood is high in structural strength, and special supporting structures are not filled between the outer plate and the inner plate.

In order to reduce the weight, a lightening hole is provided on an inner panel near the engine, an inner panel of the engine cover as disclosed in CN 204750310U, and an engine cover having the same.

However, steel engine hoods are still heavy and have poor corrosion resistance, which is disadvantageous for further improvement of vehicle performance.

Disclosure of Invention

The invention aims to provide an engine hood inner plate assembly, an engine hood and an automobile, and the weight of the engine hood is remarkably reduced on the basis of meeting the structural strength of the engine hood.

The invention provides the following scheme:

in a first aspect, the present disclosure describes a hood inner panel assembly comprising an inner panel, further comprising a lock reinforcement panel, an outer panel reinforcement panel, and a hinge reinforcement panel; the lock reinforcing plate is connected to the upper surface of the first edge of the inner plate; the outer plate reinforcing plate is connected to the upper surface of the second edge of the inner plate; the hinge reinforcing plates are connected to the upper surfaces of the inner plates at two sides of the outer plate reinforcing plates; the first edge and the second edge of the inner plate are arranged opposite to each other.

The lock reinforcement plate comprises

The lock reinforcing plate body is provided with second lightening holes and second connecting parts at intervals;

the first supporting leg is arranged at one end of the lock reinforcing plate body;

the second supporting leg is arranged at the other end of the lock reinforcing plate body;

the first connecting portion is arranged around the peripheries of the lock reinforcing plate body, the first supporting legs and the second supporting legs and used for connecting the lock reinforcing plate to the inner plate.

The hinge reinforcing plate comprises

The hinge reinforcing plate supporting leg is concavely arranged on one side of the lock reinforcing plate;

the lap joint part is convexly arranged on the lock reinforcing plate and is diagonally arranged with the supporting legs of the hinge reinforcing plate;

the overlap edge is arranged at the edge of the lock reinforcing plate which is clung to the supporting leg of the hinge reinforcing plate.

The outer plate reinforcing plate comprises

The outer reinforcing plate body is provided with a plurality of third lightening holes;

the first connecting arm is arranged at one end of the outer reinforcing plate body, a third connecting part is convexly arranged on the first connecting arm, and third lightening holes are formed in two sides of the third connecting part;

the second connecting arm is arranged at the other end of the outer reinforcing plate body, a fourth connecting part is convexly arranged on the first connecting arm, and third lightening holes are formed in two sides of the fourth connecting part;

and the fifth connecting part is arranged around the outer peripheries of the outer reinforcing plate body, the first connecting arm and the second connecting arm and is used for connecting the outer reinforcing plate to the inner plate.

The inner plate comprises a plurality of first lightening holes;

the first lightening holes are formed in an inner plate area between the lock reinforcing plate, the outer plate reinforcing plate and the hinge reinforcing plate;

the inner plate surrounding the periphery of the first lightening hole is provided with a supporting flange structure, one side, which is close to the lock reinforcing plate, the outer plate reinforcing plate and the hinge reinforcing plate, of the supporting flange structure is provided with a connecting strip, and the connecting strip is matched with the first connecting part, the lap joint part and the fifth connecting part and is used for fixing the lock reinforcing plate, the hinge reinforcing plate and the outer plate reinforcing plate.

The positions of the inner plate and the lock reinforcing plate corresponding to each other are provided with

The lock reinforcing plate supports the limiting part, takes the shape of a long strip and is convexly arranged on the inner plate; the lock reinforcing plate body is buckled on the lock reinforcing plate supporting and limiting part;

the first supporting leg positioning parts are distributed on two sides of the lock reinforcing plate supporting limiting part, the inner plate is concavely arranged, and the first supporting leg and the second supporting leg are fixedly connected with the first supporting leg positioning parts.

The second supporting leg positioning parts are arranged at the positions of the inner plates corresponding to the hinge reinforcing plates and are concavely arranged on the inner plates;

the second supporting leg positioning part is matched with the supporting leg of the hinge reinforcing plate and used for fixing the lock reinforcing plate.

In a second aspect, the present invention features a hood comprising an outer panel, characterized by a hood inner panel assembly comprising the above-described structure;

the lock reinforcement plate, hinge reinforcement plate and outer plate reinforcement plate are connected between the outer plate and the inner plate.

The vehicle further comprises a hinge connection arm assembly for connecting the engine cover to the vehicle body;

the hinge connection arm assembly includes

A vehicle body connecting arm;

a hood fixing plate;

one end of the steering connecting arm is rotationally connected with the vehicle body connecting arm, and the other end of the steering connecting arm is connected with the engine cover fixing plate;

the engine cover fixing plate is connected with the steering connecting arm through a pivot structure, and a follow-up connecting plate is further connected between the engine cover fixing plate and the steering connecting arm.

In a third aspect, the present invention provides an automobile comprising the hood having the above-described structure.

Compared with the prior art, the invention has the following advantages: according to the invention, the light weight design of the automobile is realized, the space and the connection structure strength of the inner plate and the outer plate are improved by arranging the reinforcing plate between the inner plate and the outer plate, the performance requirement of the engine cover is met, the weight is obviously reduced, and the optimal weight reduction effect is achieved when the aluminum material is adopted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of an inner hood panel assembly according to one embodiment of the present invention.

FIG. 2 is a schematic view of an embodiment of the inner panel of the present invention.

FIG. 3 is a schematic view of an embodiment of a lock reinforcement plate of the present invention.

Fig. 4 is a schematic structural view of an embodiment of the hinge reinforcing plate of the present invention.

FIG. 5 is a schematic view showing the structure of an embodiment of the outer panel reinforcement plate of the present invention.

Fig. 6 is a structural bottom view of one embodiment of the hood of the present invention.

Fig. 7 is an enlarged view of the structure at a in fig. 6.

Fig. 8 is a top view of the structure of the embodiment shown in fig. 7.

FIG. 9 is a schematic view showing the connection structure of the outer panel and the lock reinforcing plate, hinge reinforcing plate and outer panel reinforcing plate of the present invention.

Fig. 10 is an enlarged view of the structure at B in fig. 9.

FIG. 11 is a schematic view of a hinge arm assembly according to the present invention.

Fig. 12 is a side view of the embodiment of fig. 11.

In the drawing of the figure,

1. inner plate 2, lock reinforcement plate 3, hinge reinforcement plate 4, outer plate reinforcement plate 5, outer plate (5) 6, and hinge arm assembly

101. First support flange structure 1011, outer panel reinforcement panel connection strip

102. Second support flange structure 1021, hinge stiffener connection bar

103. Third support flange structure 1031, lock stiffener connection bar 104, first lightening hole

105. First supporting leg positioning part

106. Lock reinforcing plate supporting and limiting part

107. Second supporting leg positioning part

201. Second lightening hole

202. First supporting leg

203. Second supporting leg

204. Lock reinforcing plate body

205. First connecting part

206. Second connecting part

301. Overlap joint

302. Hinge reinforcing plate supporting leg

303. Overlap edge

401. Third lightening hole

402. First connecting arm

403. Second connecting arm

404. External reinforcing plate body

405. Third connecting part

406. Fourth connecting part

407. Fifth connecting part

501. Edge flange

601. Vehicle body connecting arm

602. Steering connecting arm

603. Engine hood fixing plate

604. Follow-up connecting plate

605. A pivoting structure.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The invention discloses an engine hood inner plate assembly and an engine hood which comprises an inner plate assembly and an outer plate correspondingly, wherein a hinge connecting arm assembly for fixing the engine hood is connected to the engine hood;

the lock reinforcing plate 2, the outer plate reinforcing plate 4 and the hinge reinforcing plate 3 for supporting the engine hood structure are fixed between the inner plate assembly and the outer plate, so that the engine hood structure not only plays a role in reinforcing and supporting the engine hood space, but also strengthens the connection strength of the hinge, the engine hood locking structure and other matched components.

The engine cover is made of aluminum alloy materials. The outer plate is converted into a 0.95mm aluminum plate from a 0.7mm steel plate, the inner plate is converted into a 0.8mm aluminum plate from a 0.55mm steel plate, the lock reinforcing plate 2 is a 1.2mm aluminum plate, the outer plate reinforcing plate 4 is a 1.2mm aluminum plate, and the hinge reinforcing plate 3 is a 1.5mm aluminum plate; the engine cover weight is remarkably reduced, and meanwhile, the rigidity of the engine cover can still meet the assembly performance of the engine cover through the simulated calculation and the actual detection of CAE.

In order to further reduce the weight and increase the structural strength, the inner panel 1 is provided with a plurality of first lightening holes 104; the first lightening holes 104 are formed in the inner plate 1 area among the lock reinforcing plate 2, the outer plate reinforcing plate 4 and the hinge reinforcing plate 3;

the inner panel 1 surrounding the outer periphery of the first lightening hole 104 is provided with a support flange structure, one side of the support flange structure, which abuts against the lock reinforcing plate 2, the outer panel reinforcing plate 4 and the hinge reinforcing plate 3, is provided with a connecting strip, which cooperates with the first connecting portion 205, the lap joint portion 301 and the fifth connecting portion 407 for fixing the lock reinforcing plate 2, the hinge reinforcing plate 3 and the outer panel reinforcing plate 4.

In one embodiment shown in fig. 2, the number of the first lightening holes 104 is 7, and the top of each first lightening hole 104 is glued by a whole circle and uniformly distributed in the opening area of the first lightening hole 104. The inner plate structure and the outer plate structure are connected through the supporting glue of the first raised lightening holes 104, so that the glue coating groove is more uniformly coated, the cavity of the inner plate and the outer plate can be well supported, the inner plate and the outer plate are supported by being matched with each reinforcing plate, and the supporting points of the outer plate in the range of 200mm in diameter are all achieved. And the overall rigidity of the engine cover and the NVH first-order mode are greatly improved.

The support flange structure in the first lightening hole 104 at least comprises a first support flange structure 101 and an outer panel reinforcement panel connecting strip 1011 arranged close to the outer panel reinforcement panel 4, wherein the outer panel reinforcement panel connecting strip 1011 is arranged around the edge of the first support flange structure 101;

the support flange structure in the first lightening hole 104 at least comprises a second support flange structure 102 and a hinge reinforcing plate connecting strip 1021 arranged close to the hinge reinforcing plate 3, wherein the hinge reinforcing plate connecting strip 1021 is arranged around the edge of the second support flange structure 102;

the support flange structure in the first lightening hole 104 at least comprises a third support flange structure 103 and a lock reinforcing plate connecting strip 1031 which is closely attached to the lock reinforcing plate 2, wherein the lock reinforcing plate connecting strip 1031 is circumferentially arranged at the edge of the third support flange structure 103;

wherein, the lock reinforcement plate connecting strip 1031 and the outer plate reinforcement plate connecting strip 1011 are continuous convex structures and encircle the periphery of at least 5 first lightening holes 104.

Compared with the traditional steel engine cover, the engine cover provided by the invention has the advantages that the weight can be reduced by about 30% -40%, the vehicle weight is reduced to improve the fuel economy, the energy is saved, the environment is protected, the vehicle power performance is improved, and the aluminum material has better heat conductivity compared with the traditional steel material, so that the heat dissipation in an engine cabin is facilitated. Meanwhile, compared with a steel engine cover, the aluminum engine cover has better corrosion resistance.

Example 1

As shown in fig. 1, the present embodiment describes a hood inner panel assembly including an inner panel 1, which further includes a lock reinforcement panel 2, an outer panel reinforcement panel 4, and a hinge reinforcement panel 3. In this embodiment, the inner plate 1 is integrally formed by stamping, and the lock reinforcing plate 2, the outer plate reinforcing plate 4 and the hinge reinforcing plate 3 are used as independent components and are fixed at the corresponding positions of the inner plate 1 by spot welding or the like. Meanwhile, the lock reinforcing plate 2, the outer plate reinforcing plate 4 and the hinge reinforcing plate 3 are respectively provided with a certain number of standard parts such as rivet nuts, rivet bolts and the like according to different rivet fixing assembly parts, so that the local rigidity of fixed points is met.

Specifically, the lock reinforcement plate 2 is attached to the upper surface of the first edge of the inner panel 1; the lock reinforcing plate 2 is arranged at a corresponding position of the inner plate 1 and the engine hood locking mechanism, and a strip-shaped assembly hole matched with the engine hood locking mechanism is formed in the lock reinforcing plate 2 on a symmetrical line of the inner plate 1; preferably, the lock reinforcement plate 2 is mounted near a first edge of the inner plate 1 at the head portion, extends along a width direction of the first edge, and is disposed symmetrically with respect to a symmetry line of the inner plate 1.

An outer panel reinforcement panel 4 is attached to the second edge upper surface of the inner panel 1; the first edge and the second edge of the inner plate 1 are arranged opposite to each other. The outer panel reinforcement 4 preferably extends along the second edge width direction of the inner panel 1 and is disposed symmetrically with respect to the symmetry line of the inner panel 1.

The hinge reinforcing plates 3 are connected to the upper surfaces of the inner plates 1 at both sides of the outer plate reinforcing plates 4; the hinge reinforcing plate 3 is arranged at two corners of the inner plate 1, which are close to the vehicle body, and is provided with a threaded connecting piece connected with the hinge.

The lock reinforcing plate 2, the outer plate reinforcing plate 4 and the hinge reinforcing plate 3 all at least comprise first protruding structures relative to the upper surface of the inner plate 1, and the inner plate 1 area between the lock reinforcing plate 2, the outer plate reinforcing plate 4 and the hinge reinforcing plate 3 is also provided with second protruding structures flush with the first protruding structures, the first protruding structures and the second protruding structures are used for being connected with the outer plate above the inner plate 1, so that on one hand, the structural strength of the inner plate is improved, and on the other hand, the whole engine cover also plays a role in space support and structural reinforcement.

Example two

As shown in fig. 2 and 3, the lock reinforcing plate 2 includes a lock reinforcing plate body 204, a first support leg 202, a second support leg 203, and a first connecting portion 205; the lock reinforcing plate 2 is integrally formed by punching,

the lock reinforcing plate body 204 is provided with a second lightening hole 201 and a second connecting part 206 at intervals; the lock reinforcing plate 2 extends to two sides as much as possible, the second connecting part 206 of the lock reinforcing plate 2 is arranged in a protruding mode, and can be connected with the outer plate through supporting glue, so that the surface rigidity and the modal improvement are obviously achieved. Weight reducing holes are formed in the middle of every 2 second connecting parts 206, so that the purposes of reducing weight and weakening the head-on collision area are achieved.

For the lock reinforcing plate body 204, the first supporting leg 202 and the second supporting leg 203 adopt a concave design similar to a u-shaped structure, and a plurality of lightening holes are arranged on the side surface of the u-shaped structure, so that the structural strength is not affected, and the weight can be reduced.

The first supporting leg 202 is disposed at one end of the lock reinforcement plate body 204; second support leg 203 is provided at the other end of lock reinforcing plate body 204; first support leg 202 and second support leg 203 may be the same or may be different; when the same, first support leg 202 and second support leg 203 are symmetrically disposed about the symmetry line of inner panel 1.

When mounted, the first connecting portion 205 is circumferentially provided around the lock reinforcement plate body 204, the first support leg 202 and the second support leg 203 for connecting the lock reinforcement plate 2 to the inner panel 1. The first connecting portion 205 adopts an L-shaped sheet structure, and connecting holes are formed in the first connecting portion 205 and the upper surface of the inner plate 1.

In order to facilitate the assembly of the lock reinforcing plate 2 and the inner plate 1, the structural performance is improved, and a lock reinforcing plate supporting and limiting part 106 and a first supporting leg positioning part 105 are arranged at the position of the inner plate 1 corresponding to the lock reinforcing plate 2; the lock reinforcing plate supporting and limiting part 106 is in a strip shape and is convexly arranged on the inner plate 1; the lock reinforcing plate body 204 is fastened to the lock reinforcing plate supporting and limiting portion 106.

The first supporting leg positioning portions 105 are distributed on two sides of the lock reinforcing plate supporting and limiting portion 106, the first supporting leg 202 and the second supporting leg 203 are concavely arranged on the inner plate 1, and the first supporting leg positioning portions 105 are fixedly connected.

During assembly, the lower side surface of the lock reinforcing plate body 204 is buckled along the lock reinforcing plate supporting and limiting part 106, then the first supporting leg 202 and the second supporting leg 203 are respectively attached to the two first supporting leg positioning parts 105, the first supporting leg positioning parts 105 are provided with an approximately u-shaped attaching surface, and the supporting legs are attached and fixed to the supporting leg positioning parts through spot welding or riveting; on the one hand, the U-shaped joint increases the stressed area and has good structural supporting function.

Part of the first connecting portion 205 is fixed to the lock reinforcement plate connecting bar 1031, the other part of the first connecting portion 205 is directly fixed to the inner panel 1, and the second connecting portion 206 is fixed to the outer panel through a supporting adhesive, thereby fixing the lock reinforcement plate 2 between the inner and outer panels.

Example III

As shown in fig. 4, the hinge reinforcement plate 3 includes a hinge reinforcement plate support leg 302, a lap portion 301, and a lap edge 303; the hinge reinforcing plate 3 is integrally formed by stamping; the hinge reinforcing plate supporting leg 302 is concavely arranged at one side of the lock reinforcing plate 2; the lap joint part 301 is convexly arranged on the lock reinforcing plate 2 and is diagonally arranged with the hinge reinforcing plate supporting leg 302; the hinge reinforcement plate support leg 302 is surrounded by a raised skirt structure; the overlap edge 303 is provided at the edge of the lock reinforcement plate 2 that abuts against the hinge reinforcement plate support leg 302. Wherein, the height of the overlap portion 301 is greater than the overlap edge 303, the overlap edge 303 is higher than the upper surface of the hinge reinforcing plate 3, and the hinge reinforcing plate supporting leg 302 is recessed lower than the upper surface of the hinge reinforcing plate 3.

The hinge reinforcing plate 3 and the inner plate 1 are fixed by adopting a structure that a second supporting leg positioning part 107 is arranged at a position corresponding to the hinge reinforcing plate 3 of the inner plate 1, and the second supporting leg positioning part 107 is concavely arranged on the inner plate 1; the second supporting leg positioning portion 107 is matched with the hinge reinforcing plate supporting leg 302, and is used for fixing the lock reinforcing plate 2.

After the second supporting leg positioning portion 107 is attached to the hinge reinforcing plate supporting leg 302, the second supporting leg positioning portion is fixed by riveting or spot welding, and the lap joint portion 301 is lap-jointed on the upper surface of the hinge reinforcing plate connecting strip 1021, the lower surface of the lap joint portion 301 is attached to the hinge reinforcing plate connecting strip 1021 of the inner plate 1, and the upper surface is fixed to the outer plate through supporting glue. The hinge reinforcing plate 3 is added with glue spreading points connected with the outer plate, so that the dent resistance of the outer plate and the local fixed point rigidity of the hinge are improved, and meanwhile, the hinge reinforcing plate 3 is designed and extended along the steps of the length direction, so that the hinge reinforcing plate has obvious effects on the torsional rigidity and the modal improvement.

Example IV

As shown in fig. 5, the outer panel reinforcement plate 4 includes an outer reinforcement plate body 404, a first connecting arm 402, a second connecting arm 403, and a fifth connecting portion 407;

the outer reinforcing plate body 404 is provided with a plurality of third lightening holes 401;

the first connecting arm 402 is arranged at one end of the outer reinforcing plate body 404, a third connecting part 405 is convexly arranged on the first connecting arm 402, and third lightening holes 401 are formed in two sides of the third connecting part 405;

the second connecting arm 403 is arranged at the other end of the outer reinforcing plate body 404, the first connecting arm 402 is convexly provided with a fourth connecting part 406, and the two sides of the fourth connecting part 406 are provided with third lightening holes 401;

a fifth connecting portion 407 is provided around the outer periphery of the outer reinforcement plate body 404, the first connecting arm 402, and the second connecting arm 403 for connecting the outer panel reinforcement plate 4 to the inner panel 1; at least three fifth connection portions 407 are fixed to the outer circumferences of the first connection arm 402 and the second connection arm 403, respectively.

The outer plate reinforcing plate 4 is designed into a whole by the existing three damping brackets, so that the cavity area of the inner plate and the outer plate at the rear part of the engine hood is effectively supported, and the area is designed into an integrated structure, thereby effectively reducing the negative pressure deformation of the air flow to the rear edge of the engine hood when the automobile runs at a high speed, and simultaneously reducing the deformation of the inner plate and the outer plate of the engine hood caused by the instantaneous water pressure of the engine hood entering the electric swimming pool.

When in installation, part of the fifth connecting part 407 is connected with the outer plate reinforcing plate connecting strip 1011, and the other part of the fifth connecting part 407 is directly fixed with the inner plate 1; the upper surfaces of the third connecting portion 405 and the fourth connecting portion 406 are fixed to the outer panel by supporting glue.

Example five

As shown in fig. 6-9, a hood comprises an outer panel 5 comprising the hood inner panel assembly described above; in the process production, the reinforcing plates are respectively welded with the inner plates in a spot welding way to form an inner plate assembly, and then are coated with supporting glue and bound and pressed with the outer plates 5. The lock reinforcement plate 2, the hinge reinforcement plate 3, and the outer plate reinforcement plate 4 are connected between the outer plate 5 and the inner plate 1. The overlap edge 303 is arranged at the edge of the lock reinforcement plate 2 closely attached to the support leg 302 of the hinge reinforcement plate, the outer plate 5 is provided with an overlap edge flange 501 matched with the overlap edge 303 near the lock reinforcement plate 2, and when the lock reinforcement plate 2 is fixed on the inner plate 1, the overlap edge flange 501 is in buckling lap joint with the overlap edge 303.

In order to facilitate the connection of the engine cover and the vehicle body, the engine cover further comprises a hinge connection arm assembly 6, as shown in fig. 10-12, the hinge connection arm assembly 6 comprises a vehicle body connection arm 601, an engine cover fixing plate 603 and a steering connection arm 602, one end of the steering connection arm 602 is rotatably connected with the vehicle body connection arm 601, and the other end is connected with the engine cover fixing plate 603; the hood fixing plate 603 is connected to the steering connecting arm 602 through a pivot structure 605, and a follow-up connecting plate 604 is further connected between the hood fixing plate 603 and the steering connecting arm 602.

The pivot structure 605 includes a kidney-shaped hole as shown, the hood fixing plate 603 has an L-shaped structure, one bending surface of the hood fixing plate 603 is connected with the hood, and the other bending surface is provided with the kidney-shaped hole; a spindle at the end of the steering linkage arm 602 is in rotational engagement with and moves along the kidney-shaped aperture. The follower link 604 also deflects together as the steering link arm 602 rotates about the axis of rotation.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (10)

1. An engine cover inner plate assembly comprises an inner plate (1), and is characterized by further comprising

A lock reinforcement plate (2) attached to the upper surface of the first edge of the inner panel (1);

an outer panel reinforcement plate (4) connected to the upper surface of the second edge of the inner panel (1);

a hinge reinforcing plate (3) connected to the upper surface of the inner plate (1) on both sides of the outer plate reinforcing plate (4);

the first edge and the second edge of the inner plate (1) are arranged opposite to each other.

2. The hood inner panel assembly according to claim 1, wherein the lock reinforcement plate (2) includes

The lock reinforcing plate body (204), the lock reinforcing plate body (204) is provided with second lightening holes (201) and second connecting parts (206) at intervals;

the first supporting leg (202) is arranged at one end of the lock reinforcing plate body (204);

a second supporting leg (203) arranged at the other end of the lock reinforcing plate body (204);

the first connecting part (205) is arranged around the peripheries of the lock reinforcing plate body (204), the first supporting leg (202) and the second supporting leg (203) and is used for connecting the lock reinforcing plate (2) to the inner plate (1).

3. The hood inner panel assembly according to claim 2, wherein the hinge reinforcement plate (3) includes a hinge reinforcement plate support leg (302) concavely provided at one side of the lock reinforcement plate (2);

the lap joint part (301) is convexly arranged on the lock reinforcing plate (2) and is diagonally arranged with the hinge reinforcing plate supporting leg (302);

and the lapping edge (303) is arranged at the edge of the lock reinforcing plate (2) which is closely attached to the hinge reinforcing plate supporting leg (302).

4. A hood inner panel assembly according to claim 3, wherein the outer panel reinforcement panel (4) comprises

An outer reinforcing plate body (404) provided with a plurality of third lightening holes (401);

the first connecting arm (402) is arranged at one end of the outer reinforcing plate body (404), a third connecting part (405) is convexly arranged on the first connecting arm (402), and third lightening holes (401) are formed in two sides of the third connecting part (405);

the second connecting arm (403) is arranged at the other end of the outer reinforcement plate body (404), a fourth connecting part (406) is convexly arranged on the first connecting arm (402), and third lightening holes (401) are formed in two sides of the fourth connecting part (406);

and a fifth connecting portion (407) which is provided around the outer periphery of the outer reinforcement plate body (404), the first connecting arm (402), and the second connecting arm (403) and which is used for connecting the outer reinforcement plate (4) to the inner plate (1).

5. The hood inner panel assembly according to claim 4, wherein the inner panel (1) includes a plurality of first lightening holes (104);

the first lightening holes (104) are formed in the inner plate (1) area among the lock reinforcing plate (2), the outer plate reinforcing plate (4) and the hinge reinforcing plate (3);

the inner plate (1) surrounding the periphery of the first lightening hole (104) is provided with a supporting flange structure, one side, which is close to the lock reinforcing plate (2), the outer plate reinforcing plate (4) and the hinge reinforcing plate (3), of the supporting flange structure is provided with a connecting strip, and the connecting strip is matched with the first connecting part (205), the lap joint part (301) and the fifth connecting part (407) and is used for fixing the lock reinforcing plate (2), the hinge reinforcing plate (3) and the outer plate reinforcing plate (4).

6. The hood inner panel assembly according to claim 5, wherein the inner panel (1) is provided with a lock reinforcement plate (2) at a position corresponding to the lock reinforcement plate

The lock reinforcing plate supporting and limiting part (106) is in a strip shape and is convexly arranged on the inner plate (1); the lock reinforcing plate body (204) is buckled on the lock reinforcing plate supporting and limiting part (106);

the first supporting leg positioning parts (105) are distributed on two sides of the lock reinforcing plate supporting limiting parts (106), the inner plate (1) is concavely arranged, and the first supporting legs (202) and the second supporting legs (203) are fixedly connected with the first supporting leg positioning parts (105).

7. The hood inner panel assembly according to claim 6, wherein a second support leg positioning portion (107) is provided at a position of the inner panel (1) corresponding to the hinge reinforcement panel (3), the second support leg positioning portion (107) being concavely provided on the inner panel (1);

the second supporting leg positioning part (107) is matched with the hinge reinforcing plate supporting leg (302) and used for fixing the lock reinforcing plate (2).

8. A hood comprising an outer panel (5), characterized by comprising a hood inner panel assembly according to any one of claims 1-7;

the lock reinforcing plate (2), the hinge reinforcing plate (3) and the outer plate reinforcing plate (4) are connected between the outer plate (5) and the inner plate (1).

9. The hood according to claim 8 further comprising a hinged arm assembly (6) for attaching the hood to the vehicle body;

the hinge connection arm assembly (6) comprises

A vehicle body connecting arm (601);

a hood fixing plate (603);

a steering connecting arm (602), one end of which is rotatably connected to the vehicle body connecting arm (601), and the other end of which is connected to a hood fixing plate (603);

the engine cover fixing plate (603) is connected with the steering connecting arm (602) through a pivot structure (605), and a follow-up connecting plate (604) is further connected between the engine cover fixing plate (603) and the steering connecting arm (602).

10. An automobile comprising the engine cover according to claim 8 or 9.