CN212500675U - Engine compartment cover - Google Patents
Engine compartment cover Download PDFInfo
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- CN212500675U CN212500675U CN202020464513.9U CN202020464513U CN212500675U CN 212500675 U CN212500675 U CN 212500675U CN 202020464513 U CN202020464513 U CN 202020464513U CN 212500675 U CN212500675 U CN 212500675U
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- engine compartment
- compartment cover
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- hatch
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Abstract
The utility model discloses an engine compartment cover, which comprises a compartment cover outer plate positioned at the outer side of a vehicle and a compartment cover inner plate positioned at the inner side of the vehicle; the hatch cover is characterized in that a protruding structure protruding upwards towards the direction of the hatch cover outer plate is arranged on the front portion, facing the first side face of the hatch cover outer plate, of the hatch cover inner plate. Adopt engine compartment cover can make the hard spot of engine compartment cover hasp department keep away from engine compartment cover planking, and the absorption of energy when being favorable to the collision can effectively avoid the hard spot of hasp department to produce great injury to pedestrian's head when the collision accident takes place to engine compartment cover inner panel is the surface rigidity that bellied protruding structure can promote engine compartment cover, optimizes anti concave property ability, improves the security performance of vehicle.
Description
Technical Field
The utility model relates to an auto-parts especially relates to an automobile cover plate.
Background
With the rapid development of the automobile industry, the demand and export of automobiles are increasing, the traffic safety problem is getting more serious, the safety of automobiles is more and more emphasized by users, and automobile enterprises also need to meet the safety requirements of all regions and enterprises when researching and developing automobile models. Pedestrians as vulnerable groups of road traffic have already included pedestrian protection in the assessment range in the executed 2018 version of Chinese New vehicle evaluation regulations (C-NCAP for short) and 2017 version of Chinese insurance automobile safety indexes (C-IASI for short), and the weight ratio of pedestrian protection in the integral automobile evaluation is further expanded. The automobile engine compartment cover is required to reduce the damage to the head of a human body during the collision process of pedestrians and vehicles as much as possible during the design process of the vehicles, and hard spots in the areas which can be reached by the heads of the pedestrians are avoided.
The lock catch beam bracket at the front part of the existing engine compartment cover is mostly positioned between an inner plate and an outer plate of the engine compartment cover and is connected to the inner plate of the engine compartment cover through welding spots and glue, and the structure has the following defects:
(1) the lower part of the middle lock catch area at the front end of the engine compartment cover has no rigidity difference of a supporting surface, and is easy to generate permanent deformation;
(2) when the vehicle takes place to strike with the pedestrian, the hasp region is nearer apart from the planker, forms the hard spot in pedestrian head protection zone easily, produces the injury to pedestrian's head, and pedestrian's protective properties is poor.
Based on this, aiming at the defects of the existing engine compartment cover, the engine compartment cover structure which can meet the surface rigidity, can also give consideration to the pedestrian protection performance and can ensure the head collision safety of pedestrians is expected to be obtained.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engine compartment cover, this engine compartment cover can satisfy the surface rigidity demand, can compromise again and improve pedestrian's protective properties. The engine compartment cover locking device has the advantages that the hard points at the engine compartment cover locking positions can be far away from the engine compartment cover outer plate, the absorption of energy in collision is facilitated, the hard points at the locking positions can be effectively prevented from generating great damage to the head of a pedestrian when a collision accident happens, in addition, the raised structures are arranged on the engine compartment cover inner plate, the surface rigidity of the engine compartment cover is effectively improved, the dent resistance of the engine compartment cover is optimized, and the safety performance of a vehicle is improved.
In order to achieve the above object, the present invention provides an engine compartment cover, which includes a compartment cover outer panel located outside a vehicle and a compartment cover inner panel located inside the vehicle; the hatch cover is characterized in that a protruding structure protruding upwards towards the direction of the hatch cover outer plate is arranged on the front portion, facing the first side face of the hatch cover outer plate, of the hatch cover inner plate.
In the solution of the present invention, the inventor has designed an engine compartment cover comprising an outer deck plate and an inner deck plate, wherein a protruding structure protruding upward toward the outer deck plate is designed in the front portion of the inner deck plate toward the first side of the outer deck plate. The upper protruding structure can effectively improve the surface rigidity of the engine compartment cover, optimize the dent resistance of the engine compartment cover and improve the safety performance of a vehicle. The problems of poor surface rigidity and poor pedestrian protection performance of the existing engine compartment cover can be effectively solved.
Further, in the engine compartment cover of the present invention, the protruding structure includes:
a raised area which is positioned at the front part of the first side surface and is raised upwards compared with other parts of the inner plate of the hatch cover;
the plurality of raised reinforcing ribs continue to protrude upwards from the raised area;
the glue coating grooves are correspondingly arranged at the top ends of the protruding reinforcing ribs, and support glue layers are arranged in the glue coating grooves and protrude from the glue coating grooves and are connected with the outer plate of the cabin cover.
Further, in the engine compartment cover of the present invention, the outer panel of the compartment cover is further connected to the inner panel of the compartment cover by a wrapping edge of the contour edge.
Further, in the engine compartment cover of the present invention, the covering edge is provided with a first glue layer.
Further, in the engine compartment cover of the present invention, a lightening hole is formed in the inner plate of the compartment cover.
Further, among the engine compartment cover of the present invention, a hinge reinforcing plate for reinforcing a hinge of a vehicle is further included, and the hinge reinforcing plate is connected with a compartment cover inner plate.
Further, in the engine compartment cover of the present invention, a second glue layer is disposed between the hinge reinforcing plate and the inner plate of the compartment cover.
Further, engine compartment cover in, still including the hasp beam support that is used for being connected with the hasp board, hasp beam support locates the below with the second side that the first side of cabin cover inner panel carried on the back mutually, hasp beam support is last to have and to keep away from the second side and recessed region.
Further, in the engine compartment cover of the present invention, the engine compartment cover further includes a lock catch reinforcing plate, which is fixedly connected to the lock catch beam support.
Further, in the engine compartment cover of the present invention, a distance H between the outer plate of the compartment cover and the reinforcing plate of the lock catch is less than or equal to 100 mm.
In the scheme, the distance H between the outer plate of the hatch cover and the lock catch reinforcing plate is less than or equal to 100mm, hard points in a lock catch area including the lock catch cross beam support and the lock catch reinforcing plate can be kept away from the outer plate of the engine hatch cover, energy absorption during collision is facilitated, when a collision accident occurs, the hard points at the lock catch position can be effectively prevented from generating great damage to the head of a pedestrian, and the pedestrian protection performance of a vehicle is improved.
Furthermore, in the engine compartment cover of the present invention, the distance H between the outer plate of the compartment cover and the reinforcing plate of the lock catch is less than or equal to 50 mm.
Engine compartment cover compare in prior art have as follows advantage and beneficial effect:
among the engine compartment cover, hasp crossbeam support in it is located engine compartment cover inner panel below for engine compartment cover planking is kept away from to the hard spot of engine compartment cover hasp department, energy absorption when being favorable to the collision, the hard spot of avoiding hasp department when the pedestrian bumps the accident produces great injury to pedestrian's head, and engine compartment cover inner panel is bellied protruding structure, can promote the surface rigidity of engine compartment cover, optimize the anti concave property ability of engine compartment cover, improve the security performance of vehicle greatly.
Drawings
Fig. 1 is an exploded view of an engine compartment cover according to an embodiment of the present invention.
FIG. 2 is a side cross-sectional view A-A' of the engine compartment cover of FIG. 1.
FIG. 3 is a schematic top view of an inner plate of an engine compartment cover according to an embodiment of the present invention
FIG. 4 is a front cross-sectional view B-B' of the inner deck of the engine deck lid shown in FIG. 3.
Fig. 5 is a schematic structural view of a cross member bracket of an engine compartment cover according to an embodiment of the present invention.
Fig. 6 is a schematic view of an assembly structure of the inner plate of the engine compartment cover and the lock beam bracket according to an embodiment of the present invention.
Fig. 7 schematically shows the surface stiffness improvement results of the engine compartment cover according to the present invention compared with the conventional engine compartment cover.
Fig. 8 schematically shows a comparison of the results of the reduction of pedestrian head injury values with a conventional engine compartment cover of the present invention.
Detailed Description
The engine compartment cover according to the present invention will be further explained and illustrated with reference to the drawings and the specific embodiments of the present invention, which, however, should not be construed as unduly limiting the technical solution of the present invention.
Fig. 1 is an exploded view of an engine compartment cover according to an embodiment of the present invention.
As shown in fig. 1, in the present embodiment, the engine compartment cover of the present invention may include: the cabin cover comprises a cabin cover outer plate 1, a cabin cover inner plate 2, a left hinge reinforcing plate 3 and a right hinge reinforcing plate 4. The outer hatch cover plate 1 is located on the outer side of the vehicle, the outer hatch cover plate 1 can be formed by stamping a medium-low strength cold-rolled steel plate, the shape and the molded surface of the outer hatch cover plate can be effectively matched with the appearance of the vehicle, the inner hatch cover plate 2 is located on the inner side of the vehicle, and the outer hatch cover plate 1 and the inner hatch cover plate 2 can be connected. Left hinge reinforcing plate 3 and right hinge reinforcing plate 4 all can be connected with cabin cover inner panel 2, and then play and carry out the effect of strengthening to the vehicle hinge.
Furthermore, it should be noted that, as shown in fig. 1 as the convex region 21, the front portion of the hatch inner panel 2 facing the first side of the hatch outer panel 1 may be provided with a convex structure that is convex upward in the direction of the hatch outer panel 1. The protruding structure arranged on the inner plate 2 of the engine compartment cover can effectively improve the surface rigidity of the engine compartment cover, optimize the dent resistance of the engine compartment cover and greatly improve the safety performance of a vehicle.
In addition, in this embodiment, the engine compartment cover of the present invention may further include: a latch beam bracket 5 and a latch reinforcement plate 6. Wherein, the lock catch beam bracket 5 can be used for being connected with the lock catch plate 7, and the lock catch reinforcing plate 6 can be fixedly connected with the lock catch beam bracket 5.
It should be noted that, in some embodiments, the outer deck lid panel 1 may also be connected to the inner deck lid panel 2 by a hem (not shown in fig. 1) of the contour edge. In some preferred embodiments, the covered edge of the outer deck lid 1 may further be provided with a first adhesive layer, and the first adhesive layer may tightly adhere the covered edge of the outer deck lid 1 and the inner deck lid 2 together through its own adhesion. Correspondingly, in some embodiments, a second glue layer may also be provided between the hinge reinforcing plate and the hatch inner plate 2, and the connection between the hinge reinforcing plate and the hatch inner plate 2 is realized through the second glue layer.
FIG. 2 is a side cross-sectional view A-A' of the engine compartment cover of FIG. 1.
As shown in fig. 2, with reference to fig. 1, in the present embodiment, the latch reinforcement plate 6 of the engine compartment cover is fixedly connected to the latch beam bracket 5, and the latch beam bracket 5 can be connected to the latch plate 7 by welding. The lock hook reinforcing plate 6 can be arranged in the middle of the lock catch beam support 5 and can be connected with the lock catch beam support 5 in a welding spot welding mode. The lock catch beam bracket 5, the lock catch reinforcing plate 6 connected with the lock catch beam bracket and the lock catch plate 7 are arranged below the hatch cover inner plate 2, namely below the second side surface of the hatch cover inner plate 2, which is opposite to the first side surface. The latching beam support 5 also has a downwardly recessed region away from the second side.
In addition, it should be noted that, the distance H between the hatch cover outer plate 1 and the lock catch reinforcing plate 6 in the engine hatch cover needs to satisfy H is less than or equal to 100 mm. In some preferred embodiments, the maximum distance between the deck lid outer panel 1 and the striker reinforcement panel 6 may not exceed 50mm, i.e., the distance H between the deck lid outer panel 1 and the striker reinforcement panel 6 is less than or equal to 50 mm. Through the design, hard points in a lock catch area including the lock catch cross beam bracket 5 and the lock catch reinforcing plate 6 can be far away from an engine compartment cover outer plate, so that the energy absorption during collision is facilitated, and the hard points at the lock catch can be effectively prevented from generating great damage to the head of a pedestrian when a collision accident occurs.
Fig. 3 is a schematic top view of an inner plate of the engine compartment cover according to an embodiment of the present invention.
FIG. 4 is a front cross-sectional view B-B' of the inner deck of the engine deck lid shown in FIG. 3.
As shown in fig. 3 and 4, in this embodiment, the protruding structure of the hatch inner panel 2 in the engine hatch of the present invention may include: raised areas 21, a plurality of ribs 22 and glue slots 23. Wherein, the convex area 21 is located at the front part of the first side surface of the hatch cover inner plate 2, and can be convex upwards compared with other parts of the hatch cover inner plate 2; the ribs 22 may continue to protrude upwardly from the raised region 22; the glue coating groove 23 can be correspondingly arranged at the top end of each convex reinforcing rib 22, a support glue layer 25 is arranged in the glue coating groove 23, and the support glue layer 25 can protrude from the inside of the glue coating groove 23 and then is connected with the cabin cover outer plate 1.
Furthermore, can also be equipped with lightening hole 24 on the cabin cover inner panel 2 in the engine compartment cover, design great lightening hole 24 on the cabin cover inner panel 2, not only be favorable to subtracting heavy engine compartment cover, can also effectively reduction in production cost.
It should be noted that, in the hatch cover inner panel 2 in the engine compartment cover, by the protruding region 21, the protruding structure that strengthening rib 22 and rubber coating groove 23 constitute jointly, can effectively promote the surface rigidity of engine compartment cover, improve the anti concave performance of engine compartment cover, promote the security performance of vehicle greatly.
Fig. 5 is a schematic structural view of a cross member bracket of an engine compartment cover according to an embodiment of the present invention.
As shown in fig. 5, the whole hasp crossbeam support 5 of engine compartment cover is downwards recessed "shoulder pole" form to can realize general the utility model discloses hasp regional arrangement in the engine compartment cover is in the lower part of keeping away from the cabin cover, avoids when the vehicle takes place the traffic accident, forms the hard spot when pedestrian's head and engine compartment cover striking, guarantees the vehicle to pedestrian's protective properties.
Fig. 6 is a schematic view of an assembly structure of the inner plate of the engine compartment cover and the lock beam bracket according to an embodiment of the present invention.
As shown in fig. 6, with reference to fig. 5 and fig. 3, in this embodiment, the latch beam bracket 5 of the engine compartment cover of the present invention is disposed below the second side surface of the first side surface of the inner panel 2, which is opposite to the second side surface.
Fig. 7 schematically shows the surface stiffness improvement results of the engine compartment cover according to the present invention compared with the conventional engine compartment cover.
As shown in fig. 7, a solid line in fig. 7 represents the engine compartment cover according to the present invention, and a dotted line represents the conventional engine compartment cover. In fig. 7, the ordinate indicates the external force F applied to the engine compartment cover, and the abscissa indicates the depressed thickness D of the engine compartment cover. Under the same external force condition, engine compartment cover's surface rigidity obviously be superior to current traditional engine compartment cover greatly, engine compartment cover have more excellent surface rigidity performance.
Under an embodiment, exert same external force to two kinds of engine compartment covers, for example 100N, current traditional engine compartment cover can produce 3.75 mm's undercut, and engine compartment cover only produce 1.2 mm's undercut, for current traditional engine compartment cover, engine compartment cover's anti-concavity performance has promoted 68%.
Fig. 8 schematically shows a comparison of the results of the reduction of pedestrian head injury values with a conventional engine compartment cover of the present invention.
As shown in fig. 8, a solid line in fig. 8 represents the engine compartment cover according to the present invention, and a dotted line represents the conventional engine compartment cover. Left side ordinate is the acceleration coordinate axle, and its unit is acceleration of gravity (g), and in certain preferred embodiment, to same pedestrian protection head striking simulation result display, current traditional engine compartment lid makes pedestrian head produce the biggest 143g acceleration, engine compartment lid makes pedestrian head produce the biggest 110g with higher speed, and is consequently visible, for current traditional engine compartment lid, engine compartment lid can reduce this regional pedestrian protection head acceleration 23%.
The right ordinate is the head HIC15 injury value axis, where the head HIC15 injury value can be obtained from equation (1):
where g denotes the acceleration of gravity, a denotes the resultant acceleration of the center of mass of the head during a collision, and t2-t1 may denote the time interval during which the HIC reaches the maximum value, it should be noted that the maximum interval is 15ms in this embodiment.
The HIC15 evaluated in equation (1) represents the maximum HIC value obtained by calculating the HIC value of the acceleration curve in an arbitrary time interval of not more than 15 ms. In some preferred embodiments, the HIC calculation processing performed on the same simulation result of the pedestrian head protection shows that, since the existing conventional engine compartment cover generates two peak injuries to the pedestrian head protection, the time zone for reaching the maximum of HIC15 is [1.2,14.7], and the injury value is 1577, the engine compartment cover of the present invention gradually decreases after reaching the first peak for the pedestrian head protection, and the time zone for reaching the maximum of HIC15 is [0.7,11.2], and the injury value is 593. It can be seen that, relative to the existing conventional engine compartment cover, the pedestrian protection head HIC15 in this region of the engine compartment cover of the present invention is reduced by 62%.
In conclusion, it can be seen that the engine compartment cover can meet the requirement of surface rigidity and can improve the pedestrian protection performance. The engine compartment cover locking device has the advantages that the hard points at the engine compartment cover locking positions can be far away from the engine compartment cover outer plate, the absorption of energy in collision is facilitated, the hard points at the locking positions can be effectively prevented from generating great damage to the head of a pedestrian when a collision accident happens, in addition, the raised structures are arranged on the engine compartment cover inner plate, the surface rigidity of the engine compartment cover is effectively improved, the dent resistance of the engine compartment cover is optimized, and the safety performance of a vehicle is improved.
It should be noted that the combination of the features in the present application is not limited to the combination described in the claims of the present application or the combination described in the embodiments, and all the features described in the present application may be freely combined or combined in any manner unless contradicted by each other.
It should also be noted that the above-mentioned embodiments are only specific embodiments of the present invention. It is obvious that the present invention is not limited to the above embodiments, and similar changes or modifications can be directly derived or easily suggested by those skilled in the art from the disclosure of the present invention, and all should fall within the protection scope of the present invention.
Claims (10)
1. An engine hood includes a hood outer panel located on an outer side of a vehicle and a hood inner panel located on an inner side of the vehicle; the hatch cover is characterized in that a protruding structure protruding upwards towards the direction of the hatch cover outer plate is arranged on the front portion, facing the first side face of the hatch cover outer plate, of the hatch cover inner plate.
2. The engine compartment cover of claim 1 wherein the raised structure comprises:
a raised area which is positioned at the front part of the first side surface and is raised upwards compared with other parts of the inner plate of the hatch cover;
the plurality of raised reinforcing ribs continue to protrude upwards from the raised area;
the glue coating grooves are correspondingly arranged at the top ends of the protruding reinforcing ribs, and support glue layers are arranged in the glue coating grooves and protrude from the glue coating grooves and are connected with the outer plate of the cabin cover.
3. The engine compartment cover of claim 2 wherein the outer panel is further joined to the inner panel by a hem of the contour edge.
4. The engine compartment cover of claim 3 wherein the first layer of glue is provided at the hem.
5. The engine compartment cover of claim 2 wherein the cover inner panel is provided with lightening holes.
6. The engine compartment cover of claim 2 further comprising a hinge reinforcement plate for reinforcing a hinge of the vehicle, the hinge reinforcement plate being connected to the inner panel of the cover.
7. An engine compartment cover according to claim 6 wherein a second glue layer is provided between the hinge reinforcement plate and the inner deck cover plate.
8. The engine compartment cover according to any one of claims 1 to 7 further comprising a latch beam bracket for connection to the latch plate, the latch beam bracket being disposed below a second side surface opposite the first side surface of the inner panel of the compartment cover, the latch beam bracket having an area that is recessed away from the second side surface.
9. The engine compartment cover of claim 8 further comprising a latch reinforcement plate fixedly connected to the latch cross member bracket.
10. The engine compartment cover of claim 9 wherein the distance H between the outer deck of the cover and the striker reinforcement plate is 100mm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464513.9U CN212500675U (en) | 2020-04-02 | 2020-04-02 | Engine compartment cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464513.9U CN212500675U (en) | 2020-04-02 | 2020-04-02 | Engine compartment cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212500675U true CN212500675U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020464513.9U Active CN212500675U (en) | 2020-04-02 | 2020-04-02 | Engine compartment cover |
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| Country | Link |
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| CN (1) | CN212500675U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179913A (en) * | 2021-09-13 | 2022-03-15 | 芜湖国风塑胶科技有限公司 | Front hatch cover assembly and assembling method thereof |
| CN114620146A (en) * | 2021-09-13 | 2022-06-14 | 芜湖国风塑胶科技有限公司 | Preceding cabin cover hinge reinforcing plate and adopt preceding cabin cover assembly of this reinforcing plate |
| CN114919667A (en) * | 2022-06-28 | 2022-08-19 | 浙江吉利控股集团有限公司 | Bonnet planking support holder and vehicle |
| CN115009376A (en) * | 2022-06-28 | 2022-09-06 | 浙江吉利控股集团有限公司 | Bonnet hinge reinforcing plate and vehicle |
-
2020
- 2020-04-02 CN CN202020464513.9U patent/CN212500675U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179913A (en) * | 2021-09-13 | 2022-03-15 | 芜湖国风塑胶科技有限公司 | Front hatch cover assembly and assembling method thereof |
| CN114620146A (en) * | 2021-09-13 | 2022-06-14 | 芜湖国风塑胶科技有限公司 | Preceding cabin cover hinge reinforcing plate and adopt preceding cabin cover assembly of this reinforcing plate |
| CN114919667A (en) * | 2022-06-28 | 2022-08-19 | 浙江吉利控股集团有限公司 | Bonnet planking support holder and vehicle |
| CN115009376A (en) * | 2022-06-28 | 2022-09-06 | 浙江吉利控股集团有限公司 | Bonnet hinge reinforcing plate and vehicle |
| CN114919667B (en) * | 2022-06-28 | 2023-07-25 | 浙江吉利控股集团有限公司 | Engine cover outer plate support bracket and vehicle |
| CN115009376B (en) * | 2022-06-28 | 2023-12-05 | 浙江吉利控股集团有限公司 | Engine cover hinge reinforcing plate and vehicle |
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