CN208802058U - A kind of engine casing assembly structure based on pedestrian protecting design - Google Patents
A kind of engine casing assembly structure based on pedestrian protecting design Download PDFInfo
- Publication number
- CN208802058U CN208802058U CN201821455159.2U CN201821455159U CN208802058U CN 208802058 U CN208802058 U CN 208802058U CN 201821455159 U CN201821455159 U CN 201821455159U CN 208802058 U CN208802058 U CN 208802058U
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- China
- Prior art keywords
- hood
- back veneer
- casing assembly
- assembly structure
- engine
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- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000008450 motivation Effects 0.000 claims description 2
- 230000003699 hair surface Effects 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 12
- 208000027418 Wounds and injury Diseases 0.000 abstract description 11
- 208000014674 injury Diseases 0.000 abstract description 11
- 238000005452 bending Methods 0.000 abstract description 6
- 238000013016 damping Methods 0.000 abstract description 3
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of engine casing assembly structures based on pedestrian protecting design; including hood back veneer and engine hood outer panel; the vehicle head end of hood back veneer is fixed with the elastic endergonic part that absorbable external force impacts engine hood outer panel; elastic endergonic part is between hood back veneer and engine hood outer panel; the rear and front end of elastic endergonic part is fixedly connected to multiple supporting legs; supporting leg is fixed on hood back veneer, and there are gaps between elastic endergonic part and hood back veneer.It is vertically evenly arranged a plurality of connecting rod in the middle part of hood back veneer, is uniformly distributed back veneer central region support stiffness, damping rubber is applied in connecting rod, guarantees hood itself rigidity.While guaranteeing hood rigidity, reduce the injury touched to pedestrian's head.Elastic endergonic part is designed as crumple bending structure, by external force collision bending deformation easy to break, while guaranteeing that head touches crumple space, reduces the injury to pedestrian head.
Description
Technical field
The utility model relates to technical field of automobile parts, in particular to a kind of engine based on pedestrian protecting design
Cover assembly structure.
Background technique
The automobiles developed countries and regions such as the U.S., Europe, pedestrian protecting have become mandatory rules of law requirement, are vehicle bases
This market access requirement, while being also one in Euro-NCAP scoring content.China's traffic is still in people, vehicle mixed flow
State, vehicle collision accident frequently occur.In vehicle and pedestrian impact accident, pedestrian belongs to disadvantaged group, in addition at this stage
Vehicle lacks the safeguard measure to pedestrian, causes casualties serious.With the continuous improvement that people realize pedestrian protecting, I
The assessment item of pedestrian protecting is added in 2018 editions C-NCAP of state, nowadays designs hood plate and needs to consider in the thing that collides
Therefore when safeguard protection to pedestrian, reduce the physical injury to pedestrian as far as possible.Hood is enging cabin " door " simultaneously,
It is one of the component that most eye-catching vehicle body appearance member and buying car person often will be checked and be touched.Since hood is touched in client
And there is the case where being depressed by a user under the operating conditions such as carwash, therefore the design of hood need to guarantee certain rigidity, it is excellent
Rigidity can promote user to the impression of hood robustness.
It is weak that pedestrian protecting requires hood to do as far as possible, to reduce the influence that hood touches pedestrian's head, simultaneously
It is guarantee client to the robustness impression of hood, and it is as strong as possible to require hood to design.Therefore how to guarantee hood
While itself rigidity, and can reduce the injury touched to pedestrian's head is current problems faced.
Utility model content
The purpose of this utility model seeks to solve the deficiency of above-mentioned background technique, and providing one kind both can guarantee hood
Rigidity is able to satisfy the engine casing assembly structure based on pedestrian protecting design of protecting human body performance again.
In order to achieve this, the engine casing assembly structure based on pedestrian protecting design designed by the utility model, packet
Include hood back veneer and engine hood outer panel, it is characterised in that: the vehicle head end of the hood back veneer is fixed with absorbable
The elastic endergonic part that external force impacts engine hood outer panel, the elastic endergonic part are located at the hood back veneer and the hair
Between motivation hood panel, the rear and front end of the elastic endergonic part is fixedly connected to multiple supporting legs, and the supporting leg is fixed on institute
It states on hood back veneer, there are gaps between the elastic endergonic part and the hood back veneer.
Further, the elastic endergonic part includes annular frame, and the supporting leg is fixedly connected on the annular frame
Front and rear sides, be equipped at intervals in the annular frame along its length more it is parallel with the axial direction of the engine hood outer panel
Connecting rod, the rear and front end of the connecting rod are respectively fixedly connected with leading inside and rear inside in the annular frame.
The further annular frame is front end sinking, rear end tilting and top surface and the engine hood outer panel
The fixed frame structure of inner surface fitting.
Further, at left and right sides of the front end of the annular frame and middle part has been respectively fixedly connected with one towards the ring
The first leg extended on the outside of shape frame, the rear end of the annular frame is spaced is fixedly connected with multiple directions along its length
The second supporting leg extended on the outside of the annular frame, the height of second supporting leg are greater than the height of the first leg.
Further, the front center two sides of the annular frame have been arranged symmetrically multiple fixes with the annular frame
The third supporting leg for being connected as one, extending towards the inside of the annular frame.
Further, supporting leg crumple hole is provided on second supporting leg.
Further, be a cyclic structure in the middle part of the hood back veneer, the cyclic structure be one by with institute
The energy-absorbing ring that the top surface for stating hood back veneer is connected to one and the annular plate that upwardly extends is surrounded, the suction
Can be equipped with the more supporting ribs parallel with the axial direction of the hood back veneer in ring, the both ends of the supporting rib respectively with it is described
The front and rear sides inner surface of energy-absorbing ring is fixedly connected.
Further, supporting rib crumple hole is provided on the supporting rib.
It is also further, energy-absorbing crumple hole is provided on the rear portion anchor ring and left and right sides anchor ring of the energy-absorbing ring.
Further, surface is respectively fixed with one piece of hinge stiffening plate at left and right sides of the rear portion of the hood back veneer,
Lock stiffening plate is fixed on the front center surface of the hood back veneer.
The beneficial effects of the utility model are: being vertically evenly arranged a plurality of supporting rib in the middle part of hood back veneer, make in the middle part of back veneer
Region supports rigidity is uniformly distributed, and damping rubber is applied on supporting rib, guarantees hood itself rigidity.While guaranteeing hood rigidity, subtract
The injury touched to pedestrian's head is lacked.Supporting rib side wall arranges that two crumple holes guarantee that pedestrian head is hit by the design in crumple hole
Hit on hood hood panel assembly can adequately crumple deformation, reduce the injury to pedestrian head.The branch of elastic endergonic part
Leg is designed as crumple bending structure, makes supporting leg by external force collision bending deformation easy to break, while guaranteeing that head touches crumple space, reduces to row
The injury of head part.The structure for separately devising muti-piece stiffening plate ensure that machine under the premise of not influencing to damage to pedestrian's head evil
The structural strength of cover plate.
Detailed description of the invention
Fig. 1 is the explosive view of hood plate assembly in the utility model；
Fig. 2 is the perspective view of hood back veneer in the utility model；
Fig. 3 is the arrangement Local map in crumple hole on hood back veneer in the utility model；
Fig. 4 is the top view of elastic absorption cell in the utility model；
Fig. 5 is the perspective view of elastic absorption cell in the utility model；
Fig. 6 is the partial schematic diagram in supporting leg crumple hole in the utility model；
Fig. 7 is the top view for arranging stiffening plate in the utility model on hood back veneer；
Fig. 8 is the perspective view that hood back veneer is connect with plate in the utility model；
Wherein, 1-hood back veneer, 2-engine hood outer panels, 3-annular frames, 4-connecting rods, 5-the first
Leg, the 6-the second supporting leg, 7-third supporting legs, 8-supporting leg crumple holes, 9-energy-absorbing rings, 10-supporting ribs, 11-supporting rib crumples
Hole, 12-energy-absorbing crumple holes, 13-hinge stiffening plates, 14-lock stiffening plates.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Engine casing assembly structure based on pedestrian protecting design as shown in Fig. 1-8, including 1 He of hood back veneer
Engine hood outer panel 2, the vehicle head end of hood back veneer 1 are fixed with the elasticity that absorbable external force impacts engine hood outer panel 2
Absorption cell, for elastic endergonic part between hood back veneer 1 and engine hood outer panel 2, the rear and front end of elastic endergonic part is equal
Multiple supporting legs are fixedly connected with, supporting leg is fixed on hood back veneer 1, is deposited between elastic endergonic part and hood back veneer 1
In gap.
Elastic endergonic part includes annular frame 3, and supporting leg is fixedly connected on the front and rear sides of annular frame 3, in annular frame 3
It is equipped at intervals with the more connecting rods 4 parallel with the axial direction of engine hood outer panel 2, the rear and front end of connecting rod 4 along its length
It is respectively fixedly connected with the leading inside and rear inside in annular frame 3.Annular frame 3 be a front end sink, rear end tilt and
Top surface is bonded fixed frame structure with the inner surface of engine hood outer panel 2.At left and right sides of the front end of annular frame 3 and middle part
It is not fixedly connected with one towards the first leg 5 extended on the outside of annular frame 3, the rear end of annular frame 3 is along its length
Interval is fixedly connected with multiple towards the second supporting leg 6 extended on the outside of annular frame 3, and the height of the second supporting leg 6 is greater than first
The height of leg 5 is provided with supporting leg crumple hole 8 on second supporting leg 6.The front center two sides of annular frame 3 be arranged symmetrically it is multiple with
The third supporting leg 7 that annular frame 3 is connected to one, extends towards the inside of annular frame 3.
The middle part of hood back veneer 1 is a cyclic structure, and cyclic structure is one by the top surface with hood back veneer 1
It is connected to one and energy-absorbing ring 9 that the annular plate that upwardly extends is surrounded, is equipped with more and engine in energy-absorbing ring 9
The parallel supporting rib 10 of the axial direction of cover back veneer 1, the both ends of supporting rib 10 are fixed with the front and rear sides inner surface of energy-absorbing ring 9 respectively to be connected
It connects.Supporting rib crumple hole 11 is provided on supporting rib 10.Energy-absorbing is provided on the rear portion anchor ring and left and right sides anchor ring of energy-absorbing ring 9 to burst
Shrinkage cavity 12.
Surface is respectively fixed with one piece of hinge stiffening plate 13 at left and right sides of the rear portion of hood back veneer 1, in hood
Lock stiffening plate 14 is fixed on the front center surface of plate 1.
In the utility model, the middle part of hood back veneer 1 is vertically evenly arranged five supporting ribs 10, makes in hood
1 central region support stiffness of plate is uniformly distributed, and damping rubber is coated on supporting rib 10, guarantees hood itself rigidity.Supporting rib 10 is
The supporting rib depth and width designed according to CAE analysis result.If to touch injury values excessive for head, then 10 depth of supporting rib is reduced,
If finger pressure is weaker, then reduces 10 width of supporting rib and increase 10 depth of supporting rib, by simulation analysis repeatedly, complete supporting rib 10
Design reduce while guaranteeing hood rigidity to the injury touched of pedestrian's head.
10 side wall of supporting rib arranges two supporting rib crumple holes 11, and the X in supporting rib crumple hole 11 is to having a size of 60mm, Y-direction
Having a size of 32mm, away from flange boundary Min15mm, guaranteed apart from fillet root Min2mm by the design in supporting rib crumple hole 11
Pedestrian head strike on hood hood panel assembly can adequately crumple deformation, reduce the injury to pedestrian head.
Second supporting leg 6 of elastic endergonic part is designed as crumple bending structure, and aperture on supporting leg keeps supporting leg easy by external force collision
Bending deformation, while guaranteeing that the head of 80mm touches crumple space, guarantee to lead to when pedestrian head strikes on hood panel assembly
The crumple deformation for crossing elastic endergonic part, reduces the injury to pedestrian head.Pass through hinge stiffening plate 13 and lock stiffening plate simultaneously
14 structure guarantees the structural strength of hood plate in the case where not damaging human body.
The above descriptions are merely preferred embodiments of the present invention, not does to the structure of the utility model any
Formal limitation.It is any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent
Variation and modification, in the range of still falling within the technical solution of the utility model.
Claims (10)
1. a kind of engine casing assembly structure based on pedestrian protecting design, including outside hood back veneer (1) and hood
Plate (2), it is characterised in that: the vehicle head end of the hood back veneer (1) is fixed with absorbable external force to engine hood outer panel (2)
The elastic endergonic part of impact, the elastic endergonic part be located at the hood back veneer (1) and the engine hood outer panel (2) it
Between, the rear and front end of the elastic endergonic part is fixedly connected to multiple supporting legs, and the supporting leg is fixed in the hood
On plate (1), there are gaps between the elastic endergonic part and the hood back veneer (1).
2. the engine casing assembly structure as described in claim 1 based on pedestrian protecting design, it is characterised in that: the elasticity
Absorption cell includes annular frame (3), and the supporting leg is fixedly connected on the front and rear sides of the annular frame (3), the ring frame
It is equipped at intervals with the more connecting rods (4) parallel with the axial direction of the engine hood outer panel (2), institute along its length in frame (3)
The rear and front end for stating connecting rod (4) is respectively fixedly connected in the leading inside and rear inside of the annular frame (3).
3. the engine casing assembly structure as claimed in claim 2 based on pedestrian protecting design, it is characterised in that: the annular
Frame (3) is that a front end sinks, rear end tilts and top surface is bonded fixed frame with the inner surface of the engine hood outer panel (2)
Structure.
4. the engine casing assembly structure as claimed in claim 3 based on pedestrian protecting design, it is characterised in that: the annular
At left and right sides of the front end of frame (3) and middle part is respectively fixedly connected with one towards the extended on the outside of the annular frame (3)
One supporting leg (5), the rear end of the annular frame (3) be spaced along its length be fixedly connected with it is multiple towards the annular frame
(3) the second supporting leg (6) that outside extends, the height of second supporting leg (6) are greater than the height of the first leg (5).
5. the engine casing assembly structure as claimed in claim 4 based on pedestrian protecting design, it is characterised in that: the annular
The front center two sides of frame (3) have been arranged symmetrically multiple be connected to one with the annular frame (3), towards the ring
The third supporting leg (7) that the inside of shape frame (3) extends.
6. the engine casing assembly structure as claimed in claim 4 based on pedestrian protecting design, it is characterised in that: described second
Supporting leg crumple hole (8) is provided on supporting leg (6).
7. the engine casing assembly structure as described in claim 1 based on pedestrian protecting design, it is characterised in that: described to start
It is a cyclic structure in the middle part of hood back veneer (1), the cyclic structure is one by the top surface with the hood back veneer (1)
It is connected to one and energy-absorbing ring (9) that the annular plate that upwardly extends is surrounded, is equipped with more in the energy-absorbing ring (9)
The supporting rib (10) parallel with the axial direction of the hood back veneer (1), the both ends of the supporting rib (10) respectively with the suction
The front and rear sides inner surface of energy ring (9) is fixedly connected.
8. the engine casing assembly structure as claimed in claim 7 based on pedestrian protecting design, it is characterised in that: the support
Supporting rib crumple hole (11) is provided on muscle (10).
9. the engine casing assembly structure as claimed in claim 7 based on pedestrian protecting design, it is characterised in that: the energy-absorbing
Energy-absorbing crumple hole (12) is provided on the rear portion anchor ring and left and right sides anchor ring of ring (9).
10. the engine casing assembly structure as described in claim 1 based on pedestrian protecting design, it is characterised in that: the hair
Surface is respectively fixed with one piece of hinge stiffening plate (13), the hood back veneer at left and right sides of the rear portion of motivation cover back veneer (1)
(1) lock stiffening plate (14) is fixed on front center surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455159.2U CN208802058U (en) | 2018-09-06 | 2018-09-06 | A kind of engine casing assembly structure based on pedestrian protecting design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455159.2U CN208802058U (en) | 2018-09-06 | 2018-09-06 | A kind of engine casing assembly structure based on pedestrian protecting design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208802058U true CN208802058U (en) | 2019-04-30 |
Family
ID=66236083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821455159.2U Expired - Fee Related CN208802058U (en) | 2018-09-06 | 2018-09-06 | A kind of engine casing assembly structure based on pedestrian protecting design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208802058U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157212A (en) * | 2020-01-06 | 2020-05-15 | 重庆长安汽车股份有限公司 | Thigh bone angle adjusting device and method of pedestrian protection thigh impactor |
| CN111332369A (en) * | 2020-03-18 | 2020-06-26 | 东风汽车集团有限公司 | Support claw for automobile outer covering part |
| CN112238835A (en) * | 2019-07-19 | 2021-01-19 | 广州汽车集团股份有限公司 | Engine cover assembly structure |
| FR3133586A1 (en) * | 2022-03-21 | 2023-09-22 | Psa Automobiles Sa | Vehicle hood equipped with folding tips for head impact. |
| FR3140610A1 (en) * | 2022-10-11 | 2024-04-12 | Psa Automobiles Sa | Engine hood hinge fixing plate for multifunction motor vehicle |
-
2018
- 2018-09-06 CN CN201821455159.2U patent/CN208802058U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238835A (en) * | 2019-07-19 | 2021-01-19 | 广州汽车集团股份有限公司 | Engine cover assembly structure |
| CN111157212A (en) * | 2020-01-06 | 2020-05-15 | 重庆长安汽车股份有限公司 | Thigh bone angle adjusting device and method of pedestrian protection thigh impactor |
| CN111157212B (en) * | 2020-01-06 | 2021-03-02 | 重庆长安汽车股份有限公司 | Thigh bone angle adjusting device and method of pedestrian protection thigh impactor |
| CN111332369A (en) * | 2020-03-18 | 2020-06-26 | 东风汽车集团有限公司 | Support claw for automobile outer covering part |
| CN111332369B (en) * | 2020-03-18 | 2022-04-26 | 东风汽车集团有限公司 | Support claw for automobile outer covering part |
| FR3133586A1 (en) * | 2022-03-21 | 2023-09-22 | Psa Automobiles Sa | Vehicle hood equipped with folding tips for head impact. |
| FR3140610A1 (en) * | 2022-10-11 | 2024-04-12 | Psa Automobiles Sa | Engine hood hinge fixing plate for multifunction motor vehicle |
| EP4353570A1 (en) * | 2022-10-11 | 2024-04-17 | Stellantis Auto SAS | Mounting plate for a motor vehicle bonnet hinge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190430 |