CN205706902U - A kind of auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction - Google Patents
A kind of auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction Download PDFInfo
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- CN205706902U CN205706902U CN201620179252.XU CN201620179252U CN205706902U CN 205706902 U CN205706902 U CN 205706902U CN 201620179252 U CN201620179252 U CN 201620179252U CN 205706902 U CN205706902 U CN 205706902U
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Abstract
The utility model discloses a kind of auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction, including sill strip framework and the I shape composite beam that is coated in sill strip framework；It is respectively arranged with foam aluminum strip post in two type grooves up and down of described I shape composite beam；Sill strip framework includes an outside plate shell component and an inner panel shell component, is combined to form sill strip framework by outside plate shell component and inner panel shell component, and I shape composite beam is coated and fixed within it by sill strip framework；Outside plate shell component includes sill strip reinforcing plate outside plate and is coated on its outside side-wall outer-plate with an energy-absorbing chamber；The axial direction of sill strip reinforcing plate outside plate is interval with multiple foamed aluminium energy-absorbing assembly in column；Foamed aluminium energy-absorbing assembly is placed in energy-absorbing intracavity.Said structure, under the conditions of the equal side impact of automobile, is simultaneously achieved crusherbull zone energy-absorbing, high stiffness structure, the problem of body lightening, and has good road surface noise absorbent ability concurrently, be beneficial to promote driving comfort.
Description
Technical field
This utility model relates to automotive body structure parts, particularly relates to a kind of auto side-crash energy-absorbing high rigidity
Full aluminum lightweight threshold girder construction.
Background technology
Up to the present, Chinese automobile volume of production and marketing has reached and has been sure to occupy the first in the world, although automobile is for I
Traffic trip bring the biggest convenient, but due to its huge automobile pollution, give the friendship of China
Logical safety brings huge pressure.Showing according to pertinent literature, from over 2010, China makes due to automobile
The toll on traffic become is sure to occupy the first in the world over the years, and in all of Traffic Collision accident,
32% of total number of accident shared by side collision, exceedes head-on crash and ranks first place, and causes extremely all
Die and in severely injured accident, the lethal rate of causing injury of side impact occupies first place equally.Thus, it could be seen that raising automobile
Side impact security performance for alleviate accident injury, improve survival rate tool be of great significance.
For Mu Qian, improve automobile side crash safety mainly by improving B post, car door and car door reinforcement
Bar, the performance of sill strip structure realize.And for the designing technique of current Automobile sill beam structure,
Improve sill strip crashworthiness to realize approximately through two schemes: one is to optimize sill strip cross sectional shape to set
Meter；Two is to arrange difform partial reinforced structure inside sill strip.Although the first scheme can be full
The requirement of foot automobile side crash security performance, but be often steel due to its material, weight is bigger, it is impossible to meet
Automotive light weight technology design requirement；First scheme adds local strengthening knot on the basis of the first scheme
Structure, though improve the safety of local side impact, it is ensured that intensity and toughness demand, but owing to adding local
Reinforcement structure, also cause overall weight to increase, side impact time reinforced region and non-reinforced region bulk deformation,
The carrying transmission of power is uneven, can not meet light-weight design and crashworthiness design requirement simultaneously.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming and defect of above-mentioned prior art, it is provided that a kind of side impact
Safety coefficient height, simple in construction, light-weighted auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction.
This utility model is achieved through the following technical solutions:
A kind of auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction, including sill strip framework and
The I shape composite beam 12 being coated in sill strip framework；Two types up and down of described I shape composite beam 12
Foam aluminum strip post 13 it is respectively arranged with in groove；
Described sill strip framework includes outside plate shell component 22 and an inner panel shell component 33, by outside plate shell group
Part 22 and inner panel shell component 33 are combined to form sill strip framework, and sill strip framework is by I shape composite beam 12
It is coated and fixed within it；The housing of this outside plate shell component 22 and inner panel shell component 33 corresponds respectively to I-shaped
Two side plate 12-1 of type composite beam 12；
Described outside plate shell component 22 includes sill strip reinforcing plate outside plate 11 and is coated on it and outside has one
The side-wall outer-plate 10 of energy-absorbing chamber 10-1；The axial direction of sill strip reinforcing plate outside plate 11 is interval with multiple
Foamed aluminium energy-absorbing assembly in column；Foamed aluminium energy-absorbing assembly is placed in the 10-1 of energy-absorbing chamber.
Described foamed aluminium energy-absorbing assembly includes cylindrical shell 8, the foamed aluminium stem stem being placed in this cylindrical shell 8
7, described cylindrical shell 8 be respectively arranged at two ends with rear end cap 6 and drive end bearing bracket 9, described rear end cap 6 welds
On sill strip reinforcing plate outside plate 11 plate face.
The inner edge of described rear end cap 6 and drive end bearing bracket 9 is opened and is respectively equipped with multiple locating notch 34；
At the two ends of cylindrical shell 8, i.e. rear end cap 6 and drive end bearing bracket 9 respectively with cylindrical shell 8 two ends
Junction, is welded with and this locating notch 34 position, the corresponding projection of shape 35.
Described inner panel shell component 33 includes sill strip reinforcing plate inner panel 2, and is coated on its outside threshold
Beam inner panel 1；This sill strip reinforcing plate inner panel 2, sill strip inner panel 1, sill strip reinforcing plate outside plate 11 and side
The flange 20,21 enclosing outside plate 10 uses welding manner to connect.
Described sill strip reinforcing plate inner panel 2 and the inwall of sill strip reinforcing plate outside plate 11, be respectively welded many
Individual alignment pin 4, it is multiple fixed that alignment pin 4 is respectively placed on 12 two side plate 12-1 of this I shape composite beam
In hole 16, position, to realize sill strip reinforcing plate inner panel 2, sill strip reinforcing plate outside plate 11 is combined with I shape
Location between beam 12 is with fixing.
Described sill strip reinforcing plate inner panel 2 and sill strip reinforcing plate outside plate about 11 two are picked up the ears, and weld respectively
Being connected to locating piece 3, this locating piece 3 offsets with foam aluminum strip post 13, with limit foam aluminum strip post 13 in work
Activity in the type groove of font composite beam 12.
Offer multiple lightening hole 15 on the panel of described sill strip reinforcing plate outside plate 11 and increase has many
Individual reinforcement 14.
Described alignment pin 4 is conical dowel pin, and hole 16, location positions hole for taper.
Described sill strip framework uses aluminium alloy panels shaped by fluid pressure mode molding.
This utility model, relative to prior art, has such advantages as and effect:
This utility model is interval with multiple foam in column in the axial direction of sill strip reinforcing plate outside plate 11
Aluminum energy-absorbing assembly, including cylindrical shell 8, the foamed aluminium stem stem 7 that is placed in this cylindrical shell 8, described post
Shape housing 8 be respectively arranged at two ends with rear end cap 6 and drive end bearing bracket 9, described rear end cap 6 is welded on sill strip and adds
On strong plate outside plate 11 plate face.When automobile side crash, cylindrical shell 8 and interior foamed aluminium stem stem 7 thereof can be first
The energy produced during first absorbing side impact, effectively reduces peak force during collision, effectively reduces personnel's wound
Evil degree.
This utility model uses I shape composite beam 12, and at two type grooves up and down of I shape composite beam 12
Inside being respectively arranged with foam aluminum strip post 13, the bending resistance torsional property of i shaped cross section is best, in conjunction with foamed aluminium
Bar post 13 has good lamination anti-bending strength, and its bending rigidity is with the increase of foam aluminum strip post 13 thickness
Being exponentially increased, this utility model fully combines the excellent of I shape composite beam 12 and foamed aluminium energy-absorbing assembly
Gesture, has a simple in construction, and high bending stiffness, high torsional rigidity can be when side impacts, can be by collision effect
Power uniformly transfers to whole vehicle body longitudinally along the vehicle, reduces side impact intrusion volume and injures with personnel, in service truck
Human life's safety.I shape composite beam 12 also has good making an uproar property of suction, thermal diffusivity, road surface of decaying concurrently
Pass over noise, absorb body vibrations, strengthen vehicle body heat-sinking capability, promote vehicle driving comfort.
This utility model uses aluminium alloy panels and foamed aluminium material manufacture, and the density of aluminium alloy is only steel
The 1/3 of density, specific strength is about 2～3 times of steel, and specific stiffness is 7 times of steel；The density of foamed aluminium is only
Be about the 1/10 of aluminum density, specific stiffness also apparently higher than steel, can realize equal strength, etc. under rigidity full aluminum light
The light-weight design of matter sill strip structure.
This utility model sill strip framework uses aluminium alloy panels shaped by fluid pressure mode molding, compares and strikes out
Type substantially increases surface quality of workpieces and dimensional accuracy, solve sill strip structure plate difficult forming,
The problem of deformation resilience.
In this utility model, model according to aluminium alloy panels, the difference of panel thickness, selected different
Welding manner, is avoided that the formation of the defects such as pore, crackle, deflection are big, can realize full targetedly
The full aluminum lightweight threshold girder construction of the high welding quality of foot performance.
This utility model assembling is simple, it is achieved that foamed aluminium overall structural integrity, has given full play to foam
The performance of constructed of aluminium.
The utility model proposes technological means simple and easy to do, solve and achieve existing vehicle doorsill girder side
Touch energy absorption characteristics, high stiffness characteristics and the problem of lightweight characteristic.
Accompanying drawing explanation
Fig. 1 is that this utility model auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction surface structure shows
It is intended to.
Fig. 2 is A-A cross-sectional view shown in Fig. 1.
Fig. 3 is the exploded perspective view of the front global structure of this utility model assembling.
Fig. 4 is this utility model foamed aluminium energy-absorbing modular construction schematic diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is more specifically described in detail.
Embodiment
As shown in Figures 1 to 4.The utility model discloses a kind of auto side-crash energy-absorbing high rigidity full aluminum lightweight
Sill strip structure, including sill strip framework and the I shape composite beam 12 that is coated in sill strip framework；
It is respectively arranged with foam aluminum strip post 13 in two type grooves up and down of described I shape composite beam 12；Foam aluminum strip
Post 13 uses line excision forming, and processes corresponding chamfering, foam aluminum strip post 13 and type groove it
Between can be fixed by gluing.I shape composite beam 12 is aluminum alloy material.
Described sill strip framework includes outside plate shell component 22 and an inner panel shell component 33, by outside plate shell group
Part 22 and inner panel shell component 33 are combined to form sill strip framework, and sill strip framework is by I shape composite beam 12
It is coated and fixed within it；The housing of this outside plate shell component 22 and inner panel shell component 33 corresponds respectively to I-shaped
Two side plate 12-1 of type composite beam 12.Outside plate shell component 22 and inner panel shell component 33 are aluminium alloy material
Matter, is formed by the upper and lower flanging welded of each plate, with specific reference to model, the thickness of different aluminum alloys, and can
Selecting welding manner is agitating friction weldering (FSW), argon tungsten-arc welding (TIG) or metal argon arc welding (MIG).
Described outside plate shell component 22 includes sill strip reinforcing plate outside plate 11 and is coated on it and outside has one
The side-wall outer-plate 10 of energy-absorbing chamber 10-1；The axial direction of sill strip reinforcing plate outside plate 11 is interval with multiple
Foamed aluminium energy-absorbing assembly in column；Foamed aluminium energy-absorbing assembly is placed in the 10-1 of energy-absorbing chamber.
Described foamed aluminium energy-absorbing assembly includes cylindrical shell 8, the foamed aluminium stem stem being placed in this cylindrical shell 8
7, described cylindrical shell 8 be respectively arranged at two ends with rear end cap 6 and drive end bearing bracket 9, described rear end cap 6 welds
On sill strip reinforcing plate outside plate 11 plate face, in order to prevent drive end bearing bracket 9 from loosening with cylindrical shell 8, it is possible to
Drive end bearing bracket 9 is welded on the energy-absorbing chamber 10-1 inwall of side-wall outer-plate 10.Foamed aluminium energy-absorbing assembly is at automobile
When there is side impact, can first absorbing side impact time the energy that produces, effectively reduce peak force during collision.
The inner edge of described rear end cap 6 and drive end bearing bracket 9 is opened and is respectively equipped with multiple locating notch 34；
At the two ends of cylindrical shell 8, i.e. rear end cap 6 and drive end bearing bracket 9 respectively with cylindrical shell 8 two ends
Junction, is welded with and this locating notch 34 position, the corresponding projection of shape 35.
Described inner panel shell component 33 includes sill strip reinforcing plate inner panel 2, and is coated on its outside threshold
Beam inner panel 1；This sill strip reinforcing plate inner panel 2, sill strip inner panel 1, sill strip reinforcing plate outside plate 11 and side
The flange 20,21 enclosing outside plate 10 uses welding manner to connect.
Described sill strip reinforcing plate inner panel 2 and the inwall of sill strip reinforcing plate outside plate 11, be respectively welded many
Individual alignment pin 4, it is multiple fixed that alignment pin 4 is respectively placed on 12 two side plate 12-1 of this I shape composite beam
In hole 16, position, to realize sill strip reinforcing plate inner panel 2, sill strip reinforcing plate outside plate 11 is combined with I shape
Location between beam 12 is with fixing.
Described sill strip reinforcing plate inner panel 2 and sill strip reinforcing plate outside plate about 11 two are picked up the ears, and weld respectively
Being connected to (vertical) locating piece 3, this locating piece 3 offsets with foam aluminum strip post 13, in order to vertical location work
Font composite beam 12, and prevent vertical low amplitude vibrations, prevent foam aluminum strip post 13 multiple at I shape further
Close activity in the type groove of beam 12.
Offer multiple lightening hole 15 on the panel of described sill strip reinforcing plate outside plate 11 and increase has many
Individual reinforcement 14.
Described alignment pin 4 is conical dowel pin, and hole 16, location positions hole for taper.
Described sill strip framework uses aluminium alloy panels shaped by fluid pressure mode molding.
As it has been described above, just can preferably realize this utility model.
Embodiment of the present utility model is also not restricted to the described embodiments, and other are any without departing from this reality
With the change made under novel spirit and principle, modify, substitute, combine, simplify, all should be
The substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (9)
1. an auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction, it is characterised in that include sill strip framework and the I shape composite beam (12) being coated in sill strip framework；It is respectively arranged with foam aluminum strip post (13) in two type grooves up and down of described I shape composite beam (12)；
Described sill strip framework includes an outside plate shell component (22) and an inner panel shell component (33), being combined to form sill strip framework by outside plate shell component (22) and inner panel shell component (33), I shape composite beam (12) is coated and fixed within it by sill strip framework；The housing of this outside plate shell component (22) and inner panel shell component (33) corresponds respectively to two side plates (12-1) of I shape composite beam (12)；
Described outside plate shell component (22) includes sill strip reinforcing plate outside plate (11) and is coated on its outside side-wall outer-plate (10) with an energy-absorbing chamber (10-1)；The axial direction of sill strip reinforcing plate outside plate (11) is interval with multiple foamed aluminium energy-absorbing assembly in column；Foamed aluminium energy-absorbing assembly is placed in energy-absorbing chamber (10-1).
Auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction the most according to claim 1, it is characterized in that, the foamed aluminium stem stem (7) that described foamed aluminium energy-absorbing assembly includes cylindrical shell (8), is placed in this cylindrical shell (8), described cylindrical shell (8) be respectively arranged at two ends with rear end cap (6) and drive end bearing bracket (9), described rear end cap (6) is welded on sill strip reinforcing plate outside plate (11) plate face.
Auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction the most according to claim 2, it is characterised in that the inner edge of described rear end cap (6) and drive end bearing bracket (9) is opened and is respectively equipped with multiple locating notch (34)；
Two ends in cylindrical shell (8), i.e. rear end cap (6) and drive end bearing bracket (9) respectively with the junction at cylindrical shell (8) two ends, be welded with and this locating notch (34) position, the corresponding projection of shape (35).
Auto side-crash energy-absorbing high rigidity the most according to claim 1 or claim 2 full aluminum lightweight threshold girder construction, it is characterized in that, described inner panel shell component (33) includes sill strip reinforcing plate inner panel (2), and is coated on its outside sill strip inner panel (1)；The flange (20,21) of this sill strip reinforcing plate inner panel (2), sill strip inner panel (1), sill strip reinforcing plate outside plate (11) and side-wall outer-plate (10) uses welding manner to connect.
Auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction the most according to claim 4, it is characterized in that, described sill strip reinforcing plate inner panel (2) and the inwall of sill strip reinforcing plate outside plate (11), it is respectively welded multiple alignment pin (4), alignment pin (4) is respectively placed in the hole, multiple location (16) on (12) two side plates (12-1) of this I shape composite beam Nei, to realize location between sill strip reinforcing plate inner panel (2), sill strip reinforcing plate outside plate (11) and I shape composite beam (12) with fixing.
Auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction the most according to claim 5, it is characterized in that, described sill strip reinforcing plate inner panel (2) and upper and lower two of sill strip reinforcing plate outside plate (11) are picked up the ears, it is respectively welded locating piece (3), this locating piece (3) offsets with foam aluminum strip post (13), with limit foam aluminum strip post (13) activity in the type groove of I shape composite beam (12).
Auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction the most according to claim 4, it is characterized in that, the panel of described sill strip reinforcing plate outside plate (11) offers multiple lightening hole (15) and increase has multiple reinforcement (14).
The most according to claim 5, auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction, it is characterised in that described alignment pin (4) is conical dowel pin, hole, location (16) is that taper positions hole.
Auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction the most according to claim 4, it is characterised in that described sill strip framework uses aluminium alloy panels shaped by fluid pressure mode molding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620179252.XU CN205706902U (en) | 2016-03-09 | 2016-03-09 | A kind of auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620179252.XU CN205706902U (en) | 2016-03-09 | 2016-03-09 | A kind of auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691468A (en) * | 2016-03-09 | 2016-06-22 | 华南理工大学 | Side impact energy-absorbing high-rigidity all-aluminum light-weight door sill structure for automobile |
| CN109484493A (en) * | 2018-12-17 | 2019-03-19 | 浙江众泰汽车制造有限公司 | A kind of automobile door sill assembly structure and its forming method |
| CN110203289A (en) * | 2019-04-10 | 2019-09-06 | 武汉格罗夫氢能汽车有限公司 | A kind of carbon fibre composite sill strip |
| CN111699128A (en) * | 2018-01-31 | 2020-09-22 | 日本制铁株式会社 | Vehicle skeleton member and vehicle |
| US11077885B2 (en) | 2018-01-31 | 2021-08-03 | Nippon Steel Corporation | Rocker member and vehicle |
| CN115140194A (en) * | 2021-03-31 | 2022-10-04 | 比亚迪股份有限公司 | Body side protective structure of electric vehicle and electric vehicle |
| CN115257934A (en) * | 2022-08-19 | 2022-11-01 | 浙江吉利控股集团有限公司 | Body in white and vehicle |
-
2016
- 2016-03-09 CN CN201620179252.XU patent/CN205706902U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691468A (en) * | 2016-03-09 | 2016-06-22 | 华南理工大学 | Side impact energy-absorbing high-rigidity all-aluminum light-weight door sill structure for automobile |
| CN111699128A (en) * | 2018-01-31 | 2020-09-22 | 日本制铁株式会社 | Vehicle skeleton member and vehicle |
| US11077885B2 (en) | 2018-01-31 | 2021-08-03 | Nippon Steel Corporation | Rocker member and vehicle |
| CN111699128B (en) * | 2018-01-31 | 2022-01-04 | 日本制铁株式会社 | Vehicle skeleton member and vehicle |
| CN109484493A (en) * | 2018-12-17 | 2019-03-19 | 浙江众泰汽车制造有限公司 | A kind of automobile door sill assembly structure and its forming method |
| CN110203289A (en) * | 2019-04-10 | 2019-09-06 | 武汉格罗夫氢能汽车有限公司 | A kind of carbon fibre composite sill strip |
| CN115140194A (en) * | 2021-03-31 | 2022-10-04 | 比亚迪股份有限公司 | Body side protective structure of electric vehicle and electric vehicle |
| CN115257934A (en) * | 2022-08-19 | 2022-11-01 | 浙江吉利控股集团有限公司 | Body in white and vehicle |
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