Engine hood structure and vehicle

Abstract

The utility model provides an engine hood structure and a vehicle, including engine hood outer plate, engine hood inner plate and energy absorbing plate, engine hood inner plate is connected under engine hood outer plate, the engine hood inner plate is provided with the hollow cavity, the hollow cavity is provided with the support plate, the energy absorbing plate is connected to the bottom of engine hood inner plate and is located under the hollow cavity, and the support plate is provided with the support plate. The supporting plate is used for separating the hollow cavity to form first lightening holes, and first through holes are formed in the energy absorption plate. According to the engine hood structure, the hollow cavity is formed in the engine hood inner plate, the supporting plate is arranged in the hollow cavity to form the first lightening hole, the structure of the engine hood outer plate is enhanced, and crumple deformation is easily generated to absorb impact energy when a person collision accident occurs; and the first through holes formed in the energy absorption plate not only meet the lightweight design of the structure, but also enhance the crumple energy absorption capacity of the energy absorption plate, so that secondary protection is conveniently formed on the head of the pedestrian, and a good effect of protecting the pedestrian is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of engine hood structures, and more specifically relates to an engine hood structure and a vehicle. Background Art

[0002] The level of pedestrian protection performance in the hood area directly determines the performance level of pedestrian protection of the entire vehicle, which involves many aspects such as styling, data layout, and structural design. Achieving higher pedestrian protection performance is a very difficult and complex task that requires a lot of effort and money.

[0003] In the prior art, it is generally believed that a space of 120mm should be reserved under the hood to achieve a high level of pedestrian protection. However, due to the diversity of vehicle power systems, it is impossible to ensure that sufficient space can be reserved for different power systems of the same vehicle model. In this case, higher performance can only be achieved by adjusting the shape, which greatly increases the development cost. Utility Model Content

[0004] The utility model aims to provide an engine hood structure and a vehicle, which can be applicable to vehicle models with different power systems, achieve effective protection for pedestrians, and reduce the development cost of the engine hood.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide an engine hood structure, including a hood outer panel, a hood inner panel and an energy absorption plate, the hood inner panel is connected to the bottom of the hood outer panel, a hollow cavity is provided on the hood inner panel, a support plate is provided in the hollow cavity along the front-to-back direction, the energy absorption plate is connected to the bottom of the hood inner panel and is located below the hollow cavity, the support plate is used to separate the hollow cavity to form a first weight-reducing hole, and the energy absorption plate is provided with a first through hole that penetrates the first weight-reducing hole up and down.

[0006] In a possible implementation, a plurality of second weight-reducing holes are provided on the support plate, and a second through hole that vertically penetrates the second weight-reducing holes is provided on the energy-absorbing plate.

[0007] In some embodiments, the support plate gradually converges toward the center axis of the vehicle body from rear to front, and the support plate includes a plurality of support plates located at the periphery of the second weight-reducing hole, and the support plates are provided with reinforcing ridges arranged along their extension direction.

[0008] In one possible implementation, an outer panel front bracket for supporting the hood outer panel is provided above the hood inner panel, the outer panel front bracket is located at the front side of the hollow cavity, and the outer panel front bracket gradually extends upward and backward to be connected to the hood outer panel.

[0009] In some embodiments, the front bracket of the outer panel is provided with a weight-reducing cavity that passes through from top to bottom, and the front bracket of the outer panel is connected with front legs and rear legs that extend downward and are supported on the inner panel of the hood, the front legs are connected to the front side edge of the weight-reducing cavity, and the rear legs are connected to the rear side edge of the weight-reducing cavity, and the lower ends of the front legs and the rear legs are respectively provided with connecting parts connected to the inner panel of the hood.

[0010] In one possible implementation, an outer panel rear bracket is provided above the hood inner panel and supported below the rear portion of the hood outer panel. The outer panel rear bracket is located on the rear side of the hollow cavity. The outer periphery of the outer panel rear bracket is provided with downwardly extending connecting claws, which are connected to the top surface of the hood inner panel.

[0011] In some embodiments, at least two auxiliary brackets are provided above the inner panel of the hood, and the at least two auxiliary brackets are symmetrically arranged on both sides of the rear bracket of the outer panel. The auxiliary brackets extend along the Y direction of the vehicle body, and both ends of the auxiliary brackets are provided with support claws that extend obliquely outward and upward and are connected to the outer panel of the hood.

[0012] In a possible implementation, the support plate is arranged to protrude upward from the hood inner plate, and the middle portion of the energy absorbing plate also protrudes upward and is connected to the bottom wall of the support plate.

[0013] In one possible implementation, two lock reinforcement plates and two installation reinforcement plates are provided above the hood inner panel. The two lock reinforcement plates are located one-to-one above the two locks, and the installation reinforcement plate is arranged at the rear of the hood inner panel. The two installation reinforcement plates are symmetrically arranged on both sides of the central axis of the hood inner panel.

[0014] The utility model also provides a vehicle, which comprises an engine hood structure.

[0015] Compared with the prior art, the scheme shown in the embodiment of the present application provides a hood structure in which a first weight-reducing hole is formed by arranging a hollow cavity on the hood inner panel and arranging a support plate in the hollow cavity, which not only ensures the structural reinforcement effect on the hood outer panel, but also helps to cause collapse and deformation to absorb impact energy in the event of a collision, thereby improving the protection performance for pedestrians' heads. The first through hole arranged on the energy-absorbing plate not only meets the lightweight design of the structure, but also enhances its collapse and energy-absorbing ability, thereby facilitating the formation of secondary protection for pedestrians' heads and achieving a good effect of protecting pedestrians. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 A schematic diagram of the exploded structure of the engine hood structure provided by an embodiment of the utility model;

[0018] Figure 2 For the utility model embodiment Figure 1 Schematic diagram of the structure of the inner panel of the middle hood;

[0019] Figure 3 For the utility model embodiment Figure 1 Schematic diagram of the structure of the middle energy absorption plate;

[0020] Figure 4 For the utility model embodiment Figure 1 Structural diagram of the front bracket of the middle and outer panels;

[0021] Figure 5 For the utility model embodiment Figure 5 A schematic diagram of the structure of the front bracket of the middle and outer panels from another angle;

[0022] Figure 6 For the utility model embodiment Figure 1 Schematic diagram of the structure of the rear bracket of the middle and outer panels;

[0023] Figure 7 For the utility model embodiment Figure 1 Schematic diagram of the structure of the auxiliary bracket.

[0024] Among them, the reference numerals in the figure are:

[0025] 1. Hood outer panel; 2. Hood inner panel; 21. First weight-reducing hole; 22. Second weight-reducing hole; 3. Energy-absorbing plate; 31. First through hole; 32. Second through hole; 33. Auxiliary convex strip; 4. Support plate; 41. Support plate; 42. Strengthening convex strip; 5. Front bracket of outer panel; 51. Weight-reducing cavity; 52. Rear support leg; 53. Connecting part; 54. Front support leg; 55. Strengthening rib; 6. Rear bracket of outer panel; 61. Connecting claw; 62. Fitting part; 63. Third weight-reducing hole; 7. Auxiliary bracket; 71. Support claw; 72. Connecting plate; 8. Install reinforcement plate; 9. Lock reinforcement plate. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] In the claims, specification and the above-mentioned drawings of the present utility model, the terms "front" and "rear" are the same as the front-to-back direction of the vehicle body, "left" and "right" are the same as the left-to-right direction of the vehicle body, and "up" and "down" are the same as the up-down direction of the vehicle body; the term "inside" refers to the direction toward the central axis of the vehicle body, and the term "outside" refers to the direction away from the central axis of the vehicle body, wherein the central axis of the vehicle body is parallel to the front-to-back direction of the vehicle body. The remaining directional words, unless otherwise clearly defined, such as the use of the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "clockwise", "counterclockwise", "high", "low" and the like to indicate the direction or position relationship are based on the direction and position relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, so they cannot be understood as limiting the specific protection scope of the present utility model.

[0028] Please also read Figures 1 to 7 The engine hood structure and the vehicle provided by the utility model are now described. The engine hood structure includes an engine hood outer panel 1, an engine hood inner panel 2 and an energy absorption plate 3. The engine hood inner panel 2 is connected to the lower part of the engine hood outer panel 1. A hollow cavity is provided on the engine hood inner panel 2. A support plate 4 is provided in the hollow cavity along the front-rear direction. The energy absorption plate 3 is connected to the bottom of the engine hood inner panel 2 and is located below the hollow cavity. The support plate 4 is used to separate the hollow cavity to form a first weight-reducing hole 21. The energy absorption plate 3 is provided with a first through hole 31 that penetrates the first weight-reducing hole 21 from top to bottom.

[0029] Compared with the prior art, the hood structure provided in the present embodiment forms a first weight-reducing hole 21 by providing a hollow cavity on the hood inner panel 2 and providing a support plate 4 in the hollow cavity, which not only ensures the structural reinforcement effect on the hood outer panel 1, but also helps to collapse and deform to absorb impact energy in the event of a collision, thereby improving the protection performance for pedestrians' heads. The first through hole 31 provided on the energy-absorbing plate 3 not only meets the lightweight design requirements of the structure, but also enhances its ability to absorb energy by collapse, thereby facilitating the formation of secondary protection for pedestrians' heads and achieving a good effect of protecting pedestrians.

[0030] In this embodiment, the support plate 4 is connected to the hollow hole of the hood inner panel 2 to form a supporting function in the front and rear directions. At the same time, it can enhance the structural strength of the upper hood outer panel 1 and avoid the problem of pits caused by the hood outer panel 1 being subjected to force.

[0031] The provision of the first weight-reducing hole 21 and the first through hole 31 both contribute to achieving lightweighting of the hood structure. More importantly, the holes that can weaken the structural strength facilitate the structure to collapse and deform when subjected to impact force to absorb energy, thereby providing effective protection for pedestrians' heads.

[0032] In the above structure, the main energy absorption effect of the hood structure is achieved by arranging an energy absorption plate 3 under the hood inner panel 2. The first through hole 31 arranged on the energy absorption plate 3 facilitates the energy absorption plate 3 to collapse and deform to absorb energy when subjected to impact force. This can effectively avoid the problem of soft structure and insufficient energy absorption of the hood inner panel 2 and the hood outer panel 1 after the vehicle hits a person, thereby effectively improving the pedestrian protection performance.

[0033] The above-mentioned arrangement can reduce the space occupied by the structure in the upper and lower directions, and is convenient for using a large-volume powertrain so that the distance between the upper surface of the powertrain and the bottom surface of the energy absorption plate 3 meets the installation requirements. Therefore, the above-mentioned hood structure effectively enhances the crushing energy absorption effect of the hood inner panel 2 without occupying too much internal space of the hood, and can be suitable for vehicle models with different powertrains.

[0034] In some possible implementations, the above-mentioned characteristic hood inner panel 2 is adopted as follows Figure 1 to Figure 2 See the structure shown. Figure 1 to Figure 2 The support plate 4 is provided with a plurality of second weight-reducing holes 22 , and the energy-absorbing plate 3 is provided with a second through hole 32 which is vertically connected with the second weight-reducing holes 22 .

[0035] In this embodiment, by providing a second weight-reducing hole 22 on the support plate 4 and correspondingly providing a second through hole 32 on the energy-absorbing plate 3, the crushing energy-absorbing performance of the support plate 4 and the energy-absorbing plate 3 is further improved, thereby achieving effective protection of the pedestrian's head during a collision.

[0036] See also Figure 2 and Figure 3 The second weight-reducing holes 22 and the second through holes 32 may be provided in a one-to-one correspondence in a plurality and may be provided in rectangular, triangular or circular shapes of the same shape. The second weight-reducing holes 22 may be reasonably arranged according to the specific structure of the support plate 4 .

[0037] Specifically, the length of the second weight-reducing hole 22 in the rectangular shape at the rear of the hood inner panel 2 in the Y direction of the vehicle body is not less than 180 mm, and the length of the second weight-reducing hole 22 in the triangular shape in the X direction of the vehicle body is not less than 90 mm. The first weight-reducing holes 21 on both sides of the support plate 4 are designed to be irregular shapes, with the principle of removing sheet metal to the greatest extent. At the same time, the length of the edges on both sides of the support plate 4 should be not less than 320 mm.

[0038] In some embodiments, the above-mentioned characteristic support plate 4 can be used as follows Figure 1 to Figure 2 See the structure shown. Figure 1 to Figure 2 The support plate 4 gradually converges toward the center axis side of the vehicle body from the back to the front. The support plate 4 includes a plurality of support plates 41 located at the periphery of the second weight-reducing hole 22. The support plates 41 are provided with reinforcing ridges 42 arranged along their extending direction.

[0039] In the present embodiment, the support plate 4 adopts a structure that gradually converges from the rear to the front toward the center axis of the vehicle body, forming an approximately triangular support structure in the hollow cavity, and when setting the second weight reduction hole 22, it is necessary to consider the width of the support plate 41 at the outer periphery of the second weight reduction hole 22, and try to keep the width of each support plate 41 consistent, and enable multiple support plate 41 to form a mutually intersecting mesh structure, so as to ensure the supporting effect on the upper hood outer panel 1, enhance the overall structural strength of the hood, and at the same time ensure the crushing energy absorption effect of the hood structure.

[0040] Based on the shape of the support plate 4 whose width gradually decreases from the back to the front, a triangular second weight-reducing hole 22 is set at the front of the support plate 4, and a rectangular second weight-reducing hole 22 is set at the rear of the support plate 4. The above-mentioned setting meets the layout size requirements and can form a support plate 41 with a similar width, which has a good weight-reducing effect on the hood structure and ensures the energy absorption effect of the hood structure during collapse.

[0041] Furthermore, by providing reinforcing ridges 42 on the support plate 41, the structural strength of the support plate 41 is effectively improved without increasing the weight of the component. The design of the reinforcing ridges 42 facilitates the opening of the second weight-reducing holes 22 while meeting the structural strength requirement, thereby removing a large amount of sheet metal and achieving a lightweight design.

[0042] See also Figure 2 and Figure 3 The cross-section of the reinforcing ridge 42 is a trapezoidal structure with an opening downward, corresponding to the position where the reinforcing ridge 42 is provided on the hood inner panel 2, and an auxiliary ridge 33 is also provided on the energy absorbing plate 3. The width of the auxiliary ridge 33 is determined according to the performance verification result, and a size of not less than 130 mm can be selected. The inner cavity depth of the auxiliary ridge 33 should be in the range of 8 mm to 12 mm, which can obtain a better structural reinforcement effect. The above design effectively improves the overall strength of the hood while adding very little weight, so that it can absorb more energy in a collision and achieve effective protection for pedestrians' heads.

[0043] In some possible implementations, the above-mentioned characteristic hood inner panel 2 is adopted as follows Figure 1 , Figure 2 , Figure 4 and Figure 5 See the structure shown. Figure 1 , Figure 2 , Figure 4 and Figure 5 An outer panel front bracket 5 for supporting the hood outer panel 1 is provided above the hood inner panel 2. The outer panel front bracket 5 is located at the front side of the hollow cavity, and the outer panel front bracket 5 gradually extends upward and backward to be connected with the hood outer panel 1.

[0044] In this embodiment, the outer panel front bracket 5 disposed above the front portion of the hood inner panel 2 can effectively connect the hood inner panel 2 and the front portion of the hood outer panel 1 to ensure the integrity of the entire hood structure. The outer panel front bracket 5 is located at the front side of the hollow cavity, with the top connected to the bottom wall of the hood outer panel 1 and the bottom connected to the top wall of the hood inner panel 2.

[0045] In view of the structure in which there is a certain height difference between the hood inner panel 2 and the hood outer panel 1, the rear end of the outer panel front bracket 5 has a tendency to extend rearward and upward to meet the supporting effect at different positions of the hood outer panel 1, which helps to improve the structural strength of the hood outer panel 1 and enhance the top resistance of the hood outer panel 1.

[0046] In some embodiments, the above-mentioned characteristic outer panel front bracket 5 can be adopted as follows Figure 1 , Figure 2 , Figure 4 and Figure 5 See the structure shown. Figure 1 , Figure 2 , Figure 4 and Figure 5 The outer panel front bracket 5 is provided with a weight-reducing cavity 51 which passes through from top to bottom. The outer panel front bracket 5 is connected with a front leg 54 and a rear leg 52 which extend downward and are supported on the hood inner panel 2. The front leg 54 is connected to the front side edge of the weight-reducing cavity 51, and the rear leg 52 is connected to the rear side edge of the weight-reducing cavity 51. The lower ends of the front leg 54 and the rear leg 52 are respectively provided with connecting parts 53 connected to the hood inner panel 2.

[0047] In this embodiment, the crushing energy absorption effect is achieved by setting a weight-reducing cavity 51 that passes through the outer panel front bracket 5. The outer panel front bracket 5 is provided with a plurality of weight-reducing cavities 51 that are arranged at intervals along the Y direction of the vehicle body. By setting a plurality of weight-reducing cavities 51, the structural weight is reduced, and the crushing energy absorption effect is achieved at the same time. The above structure can effectively increase the supporting area of ​​the outer panel front bracket 5 on the hood outer panel 1, and achieve a better supporting effect.

[0048] On this basis, in order to reduce material consumption, the front support legs 54 and the rear support legs 52 are used to make up for the height difference between the hood inner panel 2 and the hood outer panel 1. The front support legs 54 extend obliquely downward to the rear side, and the rear support legs 52 extend obliquely downward to the front side, which have better supporting performance. The two are respectively connected to the top wall of the hood inner panel 2 by the connecting part 53 at the lower end, ensuring a reliable connection between the hood inner panel 2 and the hood outer panel 1.

[0049] Furthermore, the outer plate front bracket 5 is provided with a plurality of convex or concave reinforcement ribs 55, which are arranged at a position avoiding the weight reduction cavity 51, so as to improve the structural strength of the outer plate front bracket 5 without increasing the weight of the outer plate front bracket 5. Similarly, the front support leg 54 and the rear support leg 52 can also be provided with reinforcement ribs 55 arranged along their direction to improve their supporting capacity.

[0050] For some possible implementations, see Figure 6 An outer panel rear bracket 6 supported at the lower rear of the hood outer panel 1 is also provided above the hood inner panel 2. The outer panel rear bracket 6 is located at the rear side of the hollow cavity. A downwardly extending connecting claw 61 is provided on the outer periphery of the outer panel rear bracket 6. The connecting claw 61 is connected to the top surface of the hood inner panel 2.

[0051] In this embodiment, the outer panel rear bracket 6 disposed above the rear portion of the hood inner panel 2 can effectively connect the hood inner panel 2 and the rear portion of the hood outer panel 1, further improving the integrity of the entire hood structure. The outer panel rear bracket 6 is located at the rear side of the hollow cavity, and the top of the outer panel rear bracket 6 is connected to the bottom wall of the hood outer panel 1 to support the hood outer panel 1. The connecting claws 61 disposed on the periphery of the outer panel rear bracket 6 can be connected to the top wall of the hood inner panel 2.

[0052] Furthermore, the lower end of the connection claw 61 is provided with a fitting portion 62 that is bent outward and fits on the top wall of the hood inner panel 2. The fitting portion 62 increases the connection area with the hood inner panel 2 to ensure the reliability of the connection. The outer panel rear bracket 6 can also be provided with a plurality of convex or concave reinforcing ribs 55, and a third weight-reducing hole 63 that can reduce weight is provided. The reinforcing rib 55 is provided at a position that avoids the third weight-reducing hole 63, so as to improve its structural strength without increasing the weight of the outer panel rear bracket 6.

[0053] In some embodiments, the above-mentioned feature auxiliary bracket 7 can be used as follows Figure 7 See the structure shown. Figure 7 At least two auxiliary brackets 7 are also provided above the hood inner panel 2. At least two auxiliary brackets 7 are symmetrically arranged on both sides of the outer panel rear bracket 6. The auxiliary brackets 7 extend along the Y direction of the vehicle body. Both ends of the auxiliary brackets 7 are provided with support claws 71 that extend obliquely outward and upward and are connected to the hood outer panel 1.

[0054] In this embodiment, the two auxiliary brackets 7 can assist the outer panel rear bracket 6 to support the rear of the hood outer panel 1, ensure the stability of the relative position of the hood outer panel 1 and the hood inner panel 2, and make the entire hood structure have a certain structural strength.

[0055] The support claws 71 at both ends of the auxiliary bracket 7 extend outward and upward respectively until they are connected to the hood outer panel 1. The outer ends of the support claws 71 can be provided with a connecting plate 72 connected to the bottom wall of the hood outer panel 1, and the connecting plate 72 can be connected to the hood outer panel 1 by welding to ensure that the hood outer panel 1 has good structural stability and avoid the problem of pits on the top of the hood outer panel 1 being hit. Similarly, the auxiliary bracket 7 and the support claws 71 can also be provided with a reinforcing rib 55 structure for increasing strength to ensure good support performance.

[0056] In some possible implementations, the above-mentioned characteristic support plate 4 is adopted as follows Figure 3 See the structure shown. Figure 3 The support plate 4 protrudes upward from the hood inner plate 2 , and the middle part of the energy absorbing plate 3 also protrudes upward and is connected to the bottom wall of the support plate 4 .

[0057] In this embodiment, the support plate 4 located in the hollow cavity is an upwardly protruding arched structure, and correspondingly, the energy absorbing plate 3 is also arched and protruded upward to fit with the support plate 4. This arrangement can form a space for avoidance under the hood structure, which is convenient for the layout of power assemblies (such as hydrogen energy stacks) of different structural sizes, improves the versatility of the structure, significantly reduces the cost of vehicle development, and shortens the development cycle.

[0058] At the same time, the above structure can also avoid serious injuries to pedestrians outside the vehicle caused by the excessive size of the powertrain during the collision. It has good safety in use and can effectively protect pedestrians by absorbing the crush energy of the structure.

[0059] In a possible implementation, the above-mentioned characteristic hood inner panel 2 is adopted as follows Figure 1 See the structure shown. Figure 1 Two lock reinforcement plates 9 and two installation reinforcement plates 8 are provided above the hood inner panel 2. The two lock reinforcement plates 9 are located above the two locks one by one. The installation reinforcement plate 8 is arranged at the rear part of the hood inner panel 2. The two installation reinforcement plates 8 are symmetrically arranged on both sides of the central axis of the hood inner panel 2.

[0060] In this embodiment, the lock reinforcement plate 9 is used to reinforce the structure of the position where the lock is set on the hood inner panel 2. The lock is installed below the hood inner panel 2, and the lock reinforcement plate 9 is installed above the hood inner panel 2 to reinforce the structure of the installation position to ensure the reliability of the lock installation. The lock reinforcement plate 9 is closely connected to the top surface of the hood inner panel 2, and the two are closely connected by welding or other methods.

[0061] At the same time, an installation reinforcement plate 8 is set at the position where other components are installed at the rear of the hood to strengthen the structure of the corresponding position and ensure the firmness and reliability of the component installation. The installation reinforcement plate 8 is fitted and connected to the top surface of the hood inner panel 2, and the two are tightly fitted and can be connected by welding or the like.

[0062] Based on the same inventive concept, the embodiment of the present application also provides a vehicle, which includes a hood structure. The vehicle forms a first weight-reducing hole 21 by providing a hollow cavity on the hood inner plate 2 and providing a support plate 4 in the hollow cavity, which not only ensures the structural reinforcement of the hood outer plate 1, but also helps to collapse and deform in the event of a collision accident to absorb impact energy, thereby improving the protection performance for the pedestrian's head. The first through hole 31 provided on the energy-absorbing plate 3 not only meets the lightweight design requirements of the structure, but also enhances its ability to collapse and absorb energy, thereby facilitating the formation of secondary protection for the pedestrian's head, thereby achieving a good effect of protecting pedestrians.

[0063] The above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An engine hood structure, characterized in that: The invention comprises a hood outer panel (1), a hood inner panel (2) and an energy absorbing plate (3), wherein the hood inner panel (2) is connected to the bottom of the hood outer panel (1), a hollow cavity is provided on the hood inner panel (2), a support plate (4) is provided in the hollow cavity along the front-rear direction, the energy absorbing plate (3) is connected to the bottom of the hood inner panel (2) and is located below the hollow cavity, the support plate (4) is used to separate the hollow cavity to form a first weight-reducing hole (21), and the energy absorbing plate (3) is provided with a first through hole (31) which is connected with the first weight-reducing hole (21) from top to bottom.

2. The engine hood structure according to claim 1, characterized in that: The support plate (4) is provided with a plurality of second weight-reducing holes (22), and the energy-absorbing plate (3) is provided with a second through hole (32) vertically interpenetrating with the second weight-reducing holes (22).

3. The engine hood structure according to claim 2, characterized in that: The support plate (4) gradually converges toward the center axis of the vehicle body from the rear to the front, and the support plate (4) comprises a plurality of support plates (41) located at the periphery of the second weight-reducing hole (22), and the support plates (41) are provided with reinforcing convex strips (42) arranged along their extension direction.

4. The engine hood structure according to claim 2, characterized in that: An outer panel front bracket (5) for supporting the hood outer panel (1) is provided above the hood inner panel (2); the outer panel front bracket (5) is located at the front side of the hollow cavity; the outer panel front bracket (5) gradually extends upward and backward to be connected to the hood outer panel (1).

5. The engine hood structure according to claim 4, characterized in that: The outer panel front bracket (5) is provided with a weight-reducing cavity (51) which passes through from top to bottom. The outer panel front bracket (5) is connected with a front support leg (54) and a rear support leg (52) which extend downward and are supported on the hood inner panel (2). The front support leg (54) is connected to the front side edge of the weight-reducing cavity (51), and the rear support leg (52) is connected to the rear side edge of the weight-reducing cavity (51). The lower ends of the front support leg (54) and the rear support leg (52) are respectively provided with connecting parts (53) connected to the hood inner panel (2).

6. The engine hood structure according to claim 4, characterized in that: An outer panel rear bracket (6) supported at the lower rear of the hood outer panel (1) is also provided above the hood inner panel (2); the outer panel rear bracket (6) is located at the rear side of the hollow cavity; the outer periphery of the outer panel rear bracket (6) is provided with a downwardly extending connecting claw (61); the connecting claw (61) is connected to the top surface of the hood inner panel (2).

7. The engine hood structure according to claim 6, characterized in that: At least two auxiliary brackets (7) are also provided above the hood inner panel (2), and at least two of the auxiliary brackets (7) are symmetrically arranged on both sides of the outer panel rear bracket (6), and the auxiliary brackets (7) extend along the Y direction of the vehicle body. Both ends of the auxiliary brackets (7) are provided with support claws (71) extending obliquely outward and upward and connected to the hood outer panel (1).

8. The engine hood structure according to any one of claims 1 to 7, characterized in that: The support plate (4) is arranged to protrude upward from the hood inner plate (2), and the middle portion of the energy absorption plate (3) also protrudes upward and is connected to the bottom wall of the support plate (4).

9. The engine hood structure according to any one of claims 1 to 7, characterized in that: Two lock reinforcement plates (9) and two installation reinforcement plates (8) are arranged above the hood inner panel (2); the two lock reinforcement plates (9) are located above the two locks in a one-to-one correspondence; the installation reinforcement plate (8) is arranged at the rear of the hood inner panel (2); and the two installation reinforcement plates (8) are symmetrically arranged on both sides of the central axis of the hood inner panel (2).

10. A vehicle, characterized in that: The vehicle comprises the hood structure according to any one of claims 1-9.

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