CN218407014U

CN218407014U - Engine hood hinge, engine hood hinge structure and vehicle

Info

Publication number: CN218407014U
Application number: CN202221794449.6U
Authority: CN
Inventors: 江汉林; 李岩; 郑颢; 罗芬; 孙丽; 常浩
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-01-31
Anticipated expiration: 2032-07-12

Abstract

The utility model relates to an engine hood hinge, an engine hood hinge structure and a vehicle, which comprises a movable leaf, a fixed leaf, a first connecting rod and a second connecting rod; the movable leaf, the first connecting rod, the fixed leaf and the second connecting rod are sequentially connected to form a quadrilateral hinge structure; the fixed page is used for being assembled on a vehicle body, and the movable page is used for being assembled on an inner plate of the engine hood; a limiting structure is formed between the first connecting rod and the fixed page, when the fixed page is impacted by external force, the fixed page can be extruded and deformed by the limiting structure, and the movable page drives the inner plate of the engine hood to continuously move towards the direction close to the vehicle body. When the head of a pedestrian impacts the outer plate of the engine hood, the inner plate of the engine hood and the outer plate of the engine hood move together with the movable leaf in the direction close to the vehicle body; and the fixed page is extruded and deformed, so that the movable page continues to move towards the direction close to the vehicle body, the impact energy is further buffered, and the head injury of the pedestrian is reduced.

Description

Engine bonnet hinge, engine bonnet hinge structure and vehicle

Technical Field

The utility model belongs to the technical field of the automobile body annex, especially, relate to an engine bonnet hinge, engine bonnet hinge structure and vehicle.

Background

In the prior art, a hood of a vehicle is fixed to a vehicle body by a hinge, and the hood is opened and closed by the hinge. In order to support and position the hinge on the engine hood, the hinge is required to have enough strength, and therefore the strength of the hinge is generally designed to be larger.

However, the vehicle is prone to a frontal collision accident with the pedestrian during driving, and the accident often causes the head of the pedestrian to impact on the hood. When the head of a pedestrian impacts the area opposite to the hinge, the strength of the hinge is high, so that the head of the pedestrian is impacted greatly, the head of the pedestrian is seriously injured, and the personal safety is endangered.

SUMMERY OF THE UTILITY MODEL

The utility model provides an engine bonnet hinge, engine bonnet hinge structure and vehicle to the realization reduces the injury that pedestrian's head received in people's car collision accident.

The embodiment of the utility model provides an engine hood hinge, which comprises a movable leaf, a fixed leaf, a first connecting rod and a second connecting rod; the movable leaf, the first connecting rod, the fixed leaf and the second connecting rod are sequentially connected to form a quadrilateral hinge structure; the fixed page is used for being assembled on a vehicle body, and the movable page is used for being assembled on an inner engine hood plate;

a limiting structure is formed between the first connecting rod and the fixed leaf, and when the fixed leaf is impacted by external force, the fixed leaf can be extruded and deformed by the limiting structure, and the movable leaf drives the inner hood plate to move continuously in the direction close to the automobile body.

Optionally, the first link includes a link body and a link limiting portion extending from the link body; the fixed page comprises a fixed page body and a fixed page limiting part extending out of the fixed page body;

the limiting structure is connected with the connecting rod limiting part and the fixed page limiting part;

when the automobile hood is impacted by external force, the fixed page limiting part can be extruded and deformed by the limiting structure, so that the movable page drives the inner hood plate to move towards the direction close to the automobile body.

Optionally, a weakening groove is formed in a position where the fixed page limiting part is connected with the fixed page body.

The embodiment of the utility model provides an engine hood hinge, when the vehicle bumps with the pedestrian, pedestrian's head striking is on the engine hood planking, and the engine hood planking transmits the impact force to first connecting rod and second connecting rod through engine hood inner panel and activity page or leaf for first connecting rod and second connecting rod drive activity page or leaf and move to the direction that is close to the automobile body, and engine hood inner panel and engine hood planking move to the direction that is close to the automobile body along with activity page or leaf together, thereby can cushion impact energy; when the impact force is too big for first connecting rod removes to extreme position to the direction that is close to the automobile body, and the stationary vane produces the deformation under limit structure's extrusion, makes first connecting rod can drive the activity page or leaf and continue to remove to the direction that is close to the automobile body, thereby engine bonnet inner panel and engine bonnet planking can continue to remove to the direction that is close to the automobile body along with the activity page or leaf, realize further buffering impact energy, are favorable to protecting pedestrian's head better, reduce the injury that pedestrian's head received in the people car collision accident.

The embodiment of the utility model also provides an engine hood hinge structure, including hinge reinforcing plate and the engine hood hinge of any preceding technical scheme;

the hinge reinforcing plate is assembled between the outer plate and the inner plate of the engine hood and forms a primary energy buffer channel when being impacted by external force;

the movable leaf of the engine hood hinge is respectively connected with the hinge reinforcing plate and the engine hood inner plate, and when the movable leaf is impacted by external force, the movable leaf drives the hinge reinforcing plate to move towards the direction close to the vehicle body to form a secondary energy buffering channel.

Optionally, the hinge reinforcement plate includes a reinforcement plate body and an anti-recess portion extending from the reinforcement plate body toward the hood outer panel; the reinforcing plate body is used for being assembled on the hood inner plate, and the anti-concave part is used for being connected with the hood outer plate.

Optionally, the dent-resistant portion includes a first connecting portion extending from the reinforcement panel body toward the hood outer panel, and a second connecting portion extending from the first connecting portion to a side offset from the first connecting portion; the second connecting portion is used for being connected with the hood outer panel.

Optionally, the hood hinge structure further includes an anti-dent bracket for fitting between the hood outer panel and the hinge reinforcement panel.

Optionally, the anti-concavity bracket includes a first support portion connected to the hinge reinforcement plate, a second support portion extending from the first support portion toward the hood outer panel, and a third support portion extending from the second support portion in a manner offset to a side away from the first support portion, the third support portion being for connection to the hood outer panel.

Optionally, the anti-concave bracket further comprises a reinforcing part bent and extended from the same side of the second supporting part and the third supporting part towards the hinge reinforcing plate.

The embodiment of the utility model provides an engine hood hinge structure, when the vehicle collided with the pedestrian, pedestrian's head striking was on the engine hood planking, and the impact force was transmitted on the hinge reinforcing plate from the engine hood planking, and the hinge reinforcing plate can crumple and warp, absorbs part impact energy, alleviates the impact that pedestrian's head received; then, the impact force is transmitted from the hinge reinforcing plate to the hood hinge through the hood inner plate, and the hood outer plate, the hinge reinforcing plate and the hood inner plate move together along with the movable sheet in the direction close to the vehicle body, so that the impact energy is further buffered; the hinge reinforcing plate is hinged with the engine cover, so that two-stage energy buffering is realized, the acceleration of the head of a pedestrian in the impacting process is greatly reduced, the collision injury to the head of the pedestrian is greatly reduced, and the head of the pedestrian is better protected. The hinge structure of the engine hood has the advantages of simple structure, low design difficulty and less cost increase, and is suitable for development of vehicles of different models.

The embodiment of the utility model provides a vehicle is still provided, including automobile body, engine bonnet planking, engine bonnet inner panel and the engine bonnet hinge structure of aforementioned any technical scheme; the hinge reinforcing plate is respectively connected with the engine hood outer plate and the engine hood inner plate; the movable leaf is respectively connected with the hinge reinforcing plate and the inner engine hood plate, and the fixed leaf is connected with the vehicle body.

The embodiment of the utility model provides a vehicle, hinge reinforcing plate and engine hood hinge are combined, form two-stage energy buffer structure, when the vehicle collides with the pedestrian, pedestrian's head strikes on the engine hood planking, at first, the hinge reinforcing plate collapses under the external force is strikeed and is out of shape, absorbs some impact energy, alleviates the impact that pedestrian's head received; then, the movable leaf of the engine hood hinge drives the engine hood outer plate, the hinge reinforcing plate and the engine hood inner plate to move together in the direction close to the vehicle body under the impact of external force, so that the impact energy is further buffered; greatly reduces the collision injury on the head of the pedestrian and reduces the casualty of the pedestrian in the collision accident of the pedestrian and the vehicle.

Drawings

Fig. 1 is a schematic structural view of a hood hinge according to an embodiment of the present invention;

fig. 2 is a partial structural schematic view of an engine hood hinge structure, an engine hood outer panel, and an engine hood inner panel according to an embodiment of the present invention.

The reference numerals in the specification are as follows:

1. a hood hinge; 11. a live page; 12. a fixed page; 121. a fixed page limiting part; 1211. a weakening tank; 122. a fixed page body; 13. a first link; 131. a connecting rod limiting part; 132. a connecting rod body; 14. a second link; 15. a limit bolt; 16. a limiting column; 17. a ball stud; 2. a hinge reinforcement plate; 21. a reinforcing plate body; 22. an anti-dent portion; 221. a first connection portion; 222. a second connecting portion; 223. a weakening hole; 3. an anti-dimpling stent; 31. a first support section; 32. a second support portion; 33. a third support portion; 34. a reinforcing portion; 4. an engine cover outer panel; 5. an engine cover inner panel; 6. and (4) expanding the glue.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation, and are not to be construed as limiting the 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1, an engine hood hinge according to an embodiment of the present invention includes a movable leaf 11, a fixed leaf 12, a first link 13, and a second link 14; the movable leaf 11, the first connecting rod 13, the fixed leaf 12 and the second connecting rod 14 are sequentially connected to form a quadrilateral hinge structure; the fixed leaf 12 is used for being assembled on the vehicle body, and the movable leaf 11 is used for being assembled on the inner hood panel 5; a limiting structure is formed between the first connecting rod 13 and the fixed leaf 12, and when the fixed leaf 12 is impacted by external force, the fixed leaf 12 can be extruded and deformed by the limiting structure, and the movable leaf 11 drives the inner hood plate 5 to continuously move towards the direction close to the automobile body.

Wherein, the first end of the first connecting rod 13 and the first end of the second connecting rod 14 are respectively connected with the movable leaf 11, the second end of the first connecting rod 13 and the second end of the second connecting rod 14 are respectively connected with the fixed leaf 12, and the movable leaf 11, the first connecting rod 13, the fixed leaf 12 and the second connecting rod 14 are mutually staggered and have no cross. The fixed leaves 12 are fixedly connected with the vehicle body, the movable leaves 11 are fixedly connected with the hood inner panel 5, and when the hood inner panel 5 is opened and closed, the movable leaves 11 move together with the hood inner panel 5 relative to the vehicle body. The limiting structure is connected with the first connecting rod 13 and the fixed leaf 12 and used for limiting the limit position of the first connecting rod 13 for driving the movable leaf 11 to move towards the direction close to the vehicle body.

The embodiment of the utility model provides an engine hood hinge, when the vehicle bumps with the pedestrian, pedestrian's head striking is on engine hood planking 4, engine hood planking 4 links to each other with engine hood inner panel 5, engine hood planking 4 passes through engine hood inner panel 5 and activity page or leaf 11 with the impact force and transmits first connecting rod 13 and second connecting rod 14 on, make first connecting rod 13 and second connecting rod 14 drive activity page or leaf 11 to move to the direction that is close to the automobile body, engine hood inner panel 5 and engine hood planking 4 also move to the direction that is close to the automobile body along with activity page or leaf 11 together to can cushion impact energy; when the impact force is too big, make first connecting rod 13 remove to extreme position to the direction of being close to the automobile body when, stationary vane 12 produces the deformation under limit structure's extrusion, make first connecting rod 13 can drive activity page 11 and continue to remove to the direction of being close to the automobile body, thereby engine bonnet inner panel 5 and engine bonnet planking 4 can continue to remove to the direction of being close to the automobile body along with activity page 11, realize further buffering impact energy, be favorable to protecting pedestrian's head better, reduce the injury that pedestrian's head received in the people car collision accident.

In one embodiment, as shown in fig. 1, the first connecting rod 13 includes a connecting rod body 132 and a connecting rod limiting portion 131 extending from the connecting rod body 132; the fixed page 12 includes a fixed page body 122 and a fixed page stopper 121 extending from the fixed page body 122; the limiting structure is connected with the connecting rod limiting part 131 and the fixed page limiting part 121; when the engine hood is impacted by external force, the fixed blade limiting part 121 can be extruded and deformed by the limiting structure, so that the movable blade 11 drives the engine hood inner plate 5 to move towards the direction close to the vehicle body. When receiving external force impact, first connecting rod 13 passes through spacing connecting portion extrusion stationary vane spacing portion 121 for the spacing portion 121 of stationary vane is out of shape, thereby first connecting rod 13 can continue to drive activity page or leaf 11 to the direction removal that is close to the automobile body, and then cushions impact energy.

In this embodiment, a connecting rod limiting portion 131 extends perpendicularly from the connecting rod body 132, a fixed-leaf limiting portion 121 extends perpendicularly from the fixed-leaf body 122, the connecting rod limiting portion 131 and the fixed-leaf limiting portion 121 are disposed in parallel, and the limiting structure is perpendicular to the connecting rod limiting portion 131 and the fixed-leaf limiting portion 121, respectively. By the design, the fixed page limiting part 121 is easier to deform under the extrusion of the limiting structure, so that impact energy is better buffered.

In the present embodiment, as shown in fig. 1, the limiting structure includes a limiting bolt 15 connected to the connecting rod limiting portion 131 and a limiting post 16 connected to the fixed leaf limiting portion 121, and the limiting bolt 15 is fixed to the limiting post 16 by screwing. Through the length of the threaded connection of the limit bolt 15 and the limit column 16, the limit position of the movement of the first connecting rod 13 can be adjusted, so that the hood hinge 1 is suitable for different vehicles.

In one embodiment, as shown in fig. 1, a weakening groove 1211 is formed at a position where the fixed-leaf restricting portion 121 is connected to the fixed-leaf body 122. The weakening groove 1211 is arranged to reduce the strength of the joint of the fixed-leaf limiting part 121 and the fixed leaf 12, so that the fixed-leaf limiting part 121 is easier to deform under the impact of external force, the impact energy is better buffered, the injury to the head of a pedestrian is reduced, and the head of the pedestrian is better protected.

In this embodiment, as shown in fig. 1, a first end of the first link 13 is movably connected to the movable leaf 11 by a rivet and a bushing, and a second end of the first link 13 is movably connected to the fixed leaf 12 by a rivet and a bushing. The movable connection structure at the two ends of the first connecting rod 13 is simple, and the first connecting rod 13 is favorable for driving the movable leaf 11 to move smoothly.

In this embodiment, as shown in fig. 1, a first end of the second link 14 is movably connected to the movable leaf 11 by a rivet and a bushing, and a second end of the second link 14 is movably connected to the fixed leaf 12 by a rivet and a bushing. The movable connection structure at the two ends of the second connecting rod 14 is simple, which is beneficial for the second connecting rod 14 to drive the movable leaf 11 to move smoothly.

In the present embodiment, as shown in fig. 1, the hood hinge 1 further includes a ball stud 17, and the ball stud 17 is screwed to the movable leaf 11.

In this embodiment, the fixed leaf 12 and the vehicle body are fixedly connected through a bolt, so that the connection is stable, the structure is simple, and the assembly is convenient.

In this embodiment, the movable leaf 11 and the hood inner panel 5 are fixedly connected by a bolt, so that the connection is stable, the structure is simple, and the assembly is convenient.

As shown in fig. 2, the embodiment of the present invention further provides an engine hood hinge structure, which includes a hinge reinforcing plate 2 and a hood hinge 1 according to any one of the foregoing embodiments; the hinge reinforcing plate 2 is assembled between the engine hood outer plate 4 and the engine hood inner plate 5, and forms a primary energy buffer channel when being impacted by external force; the movable leaf 11 of the engine hood hinge 1 is respectively connected with the hinge reinforcing plate 2 and the engine hood inner plate 5, and when the engine hood hinge is impacted by external force, the hinge reinforcing plate 2 is driven to move towards the direction close to the vehicle body, so that a secondary energy buffer channel is formed.

The embodiment of the utility model provides a when the vehicle collides with the pedestrian, pedestrian's head striking is on engine bonnet planking 4, and the impact force is transmitted to hinge reinforcing plate 2 from engine bonnet planking 4, and hinge reinforcing plate 2 can crumple and deform, absorbs partial impact energy, alleviates the impact that pedestrian's head received; then, the impact force is transmitted from the hinge reinforcement plate 2 to the hood hinge 1 through the hood inner panel 5, and the hood outer panel 4, the hinge reinforcement plate 2, and the hood inner panel 5 move together with the leaflet 11 in the direction close to the vehicle body, thereby further buffering the impact energy; the hinge reinforcing plate 2 is combined with the engine hood hinge 1, two-stage energy buffering is achieved, acceleration of the head of a pedestrian in the impacting process is greatly reduced, collision damage to the head of the pedestrian is greatly reduced, and the head of the pedestrian is better protected. The hinge structure of the engine hood has the advantages of simple structure, low design difficulty and less cost increase, and is suitable for development of vehicles of different models.

In one embodiment, as shown in fig. 2, the hinge reinforcement plate 2 includes a reinforcement plate body 21 and an anti-recess portion 22 extending from the reinforcement plate body 21 toward the hood outer panel 4; the gusset body 21 is adapted to be fitted to the hood inner panel 5, and the dent-resistant portion 22 is adapted to be connected to the hood outer panel 4. Under the impact of external force, the anti-concave part 22 is collapsed and deformed, so that impact energy is buffered, impact damage is reduced, meanwhile, the anti-concave part 22 plays a supporting role for the hood outer panel 4, the anti-concave strength of the hood outer panel 4 is increased, and the hood outer panel 4 is prevented from being sunken under the impact of external force.

In this embodiment, the movable leaf 11 and the reinforcing plate body 21 are fixedly connected by bolts, so that the connection is stable, the structure is simple, and the assembly is convenient.

In one embodiment, as shown in fig. 2, the anti-dent portion 22 includes a first connecting portion 221 extending from the reinforcement plate body 21 toward the hood outer panel 4, and a second connecting portion 222 extending from the first connecting portion 221 offset toward a side away from the first connecting portion 221; the second connecting portion 222 is for connection with the hood outer panel 4. With this configuration, the crush deformation of the dent 22 is more likely to occur in the direction approaching the engine inner panel under the impact of an external force, and the impact energy can be more effectively absorbed.

In the present embodiment, as shown in fig. 2, the weakening holes 223 are formed on the first connection portion 221, so that the strength of the first connection portion 221 is reduced, the first connection portion 221 is more easily deformed by collapsing, and the impact energy is effectively buffered.

In one embodiment, as shown in fig. 2, the hood hinge structure further includes an anti-dent bracket 3, and the anti-dent bracket 3 is adapted to be fitted between the hood outer panel 4 and the hinge reinforcement panel 2. Anti concave support 3 has strengthened the supporting role to engine bonnet planking 4, when receiving external force and assaulting, hinge reinforcing plate 2 and anti concave support 3 cooperation form one-level energy buffering passageway jointly, have promoted one-level energy buffering passageway by a wide margin to the buffering effect of impact energy, have reduced the collision injury that the pedestrian head received, have protected the pedestrian head better.

In the present embodiment, as shown in fig. 1, the dent resisting bracket 3 includes a first support portion 31 connected to the hinge reinforcement plate 2, a second support portion 32 extending from the first support portion 31 toward the hood outer panel 4, and a third support portion 33 extending from the second support portion 32 to a side offset from the first support portion 31, the third support portion 33 being for connection to the hood outer panel 4. By the design, the anti-concave support 3 is easier to collapse and deform in the direction close to the inner plate of the engine under the impact of external force, and the impact energy can be more effectively buffered.

In the present embodiment, as shown in fig. 2, the anti-dent bracket 3 further includes a reinforcing part 34 bent and extended from the same side of the second support part 32 and the third support part 33 toward the hinge reinforcing plate 2. Design like this, promoted anti concave support 3's support intensity, anti concave support 3 can play the supporting role to engine hood planking 4 better.

The embodiment of the utility model provides a vehicle is still provided, including automobile body, engine hood planking 4, engine hood inner panel 5 and the engine hood hinge structure mentioned in any preceding embodiment; the hinge reinforcing plate 2 is respectively connected with the engine hood outer plate 4 and the engine hood inner plate 5, the movable leaf 11 is respectively connected with the hinge reinforcing plate 2 and the engine hood inner plate 5, and the fixed leaf 12 is connected with the vehicle body.

The embodiment of the utility model provides a vehicle, hinge reinforcing plate 2 and engine hood hinge 1 combine, form two-stage energy buffer structure, when the vehicle collides with the pedestrian, pedestrian's head strikes on engine hood planking 4, at first, hinge reinforcing plate 2 collapses deformation under the external force is strikeed, absorbs partial impact energy, alleviates the impact that pedestrian's head received; then, the movable leaf 11 of the hood hinge 1 drives the hood outer panel 4, the hinge reinforcing panel 2 and the hood inner panel 5 to move together in the direction close to the vehicle body under the impact of external force, so that the impact energy is further buffered; greatly reduces the collision injury on the head of the pedestrian and reduces the casualty of the pedestrian in the collision accident of the pedestrian and the vehicle.

In the present embodiment, as shown in fig. 2, the vehicle further includes an expansion glue 6, and the hinge reinforcement plate 2 is connected to the hood outer panel 4 through the expansion glue 6. Hinge reinforcing plate 2 is fixed through bonding with engine bonnet planking 4, and it is firm to connect, simple structure, and the equipment of being convenient for, and expansion glue 6 has elasticity, plays the damping effect between engine bonnet planking 4 and hinge reinforcing plate 2, is favorable to buffering impact energy.

In the present embodiment, the second connecting portion 222 of the hinge reinforcement plate 2 is connected to the hood outer panel 4 by the expansion glue 6.

In the present embodiment, the third support portion 33 of the anti-dent bracket 3 is connected to the hood outer panel 4 by the expansion glue 6. The anti-concave support 3 is fixedly connected with the outer plate 4 of the engine hood through bonding, the connection is stable, the structure is simple, the assembly is convenient, the expansion glue 6 has elasticity, the vibration damping effect is achieved between the outer plate 4 of the engine hood and the anti-concave support 3, and the impact energy buffering is facilitated.

In the present embodiment, the gusset body 21 of the hinge reinforcement 2 is welded to the hood inner panel 5.

In the present embodiment, the first support part 31 of the dent resisting bracket 3 is welded to the hinge reinforcing plate 2.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An engine hood hinge is characterized by comprising a movable leaf, a fixed leaf, a first connecting rod and a second connecting rod; the movable leaf, the first connecting rod, the fixed leaf and the second connecting rod are sequentially connected to form a quadrilateral hinge structure; the fixed page is used for being assembled on a vehicle body, and the movable page is used for being assembled on an inner engine hood plate;

2. The hood hinge according to claim 1, wherein the first link includes a link body and a link stopper portion extending from the link body; the fixed page comprises a fixed page body and a fixed page limiting part extending out of the fixed page body;

3. The hood hinge according to claim 2, wherein a weakening groove is formed at a position where the stationary-blade stopper is connected to the stationary-blade body.

4. A hood hinge structure characterized by comprising a hinge reinforcing plate and the hood hinge according to any one of claims 1 to 3;

the hinge reinforcing plate is assembled between the outer plate of the engine hood and the inner plate of the engine hood, and a primary energy buffering channel is formed when the hinge reinforcing plate is impacted by external force;

the movable leaf of the engine hood hinge is respectively connected with the hinge reinforcing plate and the engine hood inner plate, and when the movable leaf is impacted by external force, the movable leaf drives the hinge reinforcing plate to move towards the direction close to the vehicle body to form a secondary energy buffer channel.

5. The hood hinge structure according to claim 4, wherein the hinge reinforcing plate includes a reinforcing plate body and an anti-dent portion extending from the reinforcing plate body toward the hood outer panel; the reinforcing plate body is used for being assembled on the hood inner plate, and the anti-concave part is used for being connected with the hood outer plate.

6. The hood hinge structure according to claim 5, wherein the dent-resistance portion includes a first connecting portion extending from the reinforcement plate body toward the hood outer panel, and a second connecting portion extending from the first connecting portion to a side offset away from the first connecting portion; the second connecting portion is used for being connected with the hood outer panel.

7. The hood hinge structure according to claim 6, further comprising an anti-dent bracket for fitting between the hood outer panel and the hinge reinforcement panel.

8. The hood hinge structure according to claim 7, wherein the dent resisting bracket includes a first support portion connected to the hinge reinforcing plate, a second support portion extending from the first support portion toward the hood outer panel, and a third support portion extending from the second support portion to a side offset from the first support portion, the third support portion being adapted to be connected to the hood outer panel.

9. The hood hinge structure according to claim 8, wherein the dent resisting bracket further includes a reinforcement portion bent and extended from the same side of the second support portion and the third support portion toward the hinge reinforcement plate.

10. A vehicle characterized by comprising a vehicle body, a hood outer panel, a hood inner panel, and the hood hinge structure of any one of claims 4 to 9; the hinge reinforcing plate is respectively connected with the engine hood outer plate and the engine hood inner plate; the movable leaf is respectively connected with the hinge reinforcing plate and the inner engine hood plate, and the fixed leaf is connected with the vehicle body.