CN106043436A - Four-wheeler head-on anti-collision structure - Google Patents
Four-wheeler head-on anti-collision structure Download PDFInfo
- Publication number
- CN106043436A CN106043436A CN201610402768.0A CN201610402768A CN106043436A CN 106043436 A CN106043436 A CN 106043436A CN 201610402768 A CN201610402768 A CN 201610402768A CN 106043436 A CN106043436 A CN 106043436A
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- China
- Prior art keywords
- energy
- buttress brace
- collision
- welded
- energy absorber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
- B62D21/155—Sub-frames or underguards
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
Abstract
The invention belongs to the technical field of vehicles and provides a four-wheeler head-on anti-collision structure. The four-wheeler head-on anti-collision structure is provided with front inclined stiffening beams (3) arranged on a bottom frame of a vehicle frame. The front inclined stiffening beams (3) are provided with an energy absorption mechanism I and an energy absorption mechanism II. The energy absorption mechanism I is provided with two energy absorption pipes I (4) arranged in parallel. The rear ends of the two energy absorption pipes I (4) are welded to the corresponding front inclined stiffening beams (3), and the front ends of the two energy absorption pipes I (4) are connected with an upper bumper (6). The energy absorption mechanism II is located below the energy absorption mechanism I and is provided with two energy absorption pipes II (9) arranged in parallel. The rear ends of the energy absorption pipes II (9) are welded to the corresponding front inclined stiffening beams (3), and the front ends of the energy absorption pipes II (9) are connected with a lower bumper (15). The upper ends of the two front inclined stiffening beams (3) are connected with a front anti-collision beam (2) arranged on a vehicle body front crossbeam (14). By the adoption of the four-wheeler head-on anti-collision structure, the safety of a whole vehicle in the head-on collision process is improved.
Description
Technical field
The invention belongs to technical field of vehicle, main a kind of carriage front of proposition anti-collision structure.
Background technology
At present, the front anti-collision structure of low-speed quadricycle vehicle frame is the most perfect, can only rely on the guarantor that carriage vehicle frame is anterior
Vehicle is protected by danger thick stick, does not has good collision energy-absorbing structure, thus does not has good crash protection effect to member.
Summary of the invention
For solving above-mentioned technical problem, the purpose of the present invention is to propose to a kind of carriage vehicle frame front anti-collision structure.
The present invention adopts the following technical scheme that for achieving the above object
A kind of carriage vehicle frame front anti-collision structure, before described vehicle frame front anti-collision structure has and is arranged on vehicle frame bottom framework
Tiltedly buttress brace, described front oblique buttress brace is the structure arranged that is inclined upwardly by down, and is tilted backwards by the front portion of vehicle frame；Described
Front oblique buttress brace be two be symmetrical set；Energy absorber I, described energy-absorbing it is provided with on described front oblique buttress brace
Mechanism I has two energy absorbing tubes be arrangeding in parallel I, the rear end of two described energy absorbing tubes I be respectively welded at corresponding front tiltedly
On buttress brace, the front end of two described energy absorbing tubes I is all connected with upper bumper, when vehicle generation head-on crash, first with
Upper bumper collides, and is carried out absorbing for the first time to impact force by described energy absorber I；On described front oblique buttress brace
It is additionally provided with energy absorber II；Described energy absorber II is positioned at the lower section of described energy absorber I；Described energy absorber II has
Two energy absorbing tubes be arrangeding in parallel II, the rear end of two described energy absorbing tubes II are had to be respectively welded at corresponding front oblique buttress brace
On, the front end of two described energy absorbing tubes II is all connected with lower bumper；Described lower bumper is positioned at institute on plan-position
State the rear portion of upper bumper；Described endergonic structure II, when vehicle generation head-on crash, carries out second time and absorbs impact force,
Buffer impact force further；The upper end of two described front tiltedly buttress braces is all with the anterior collision prevention girders being arranged on vehicle body front beam even
Connect；Before described anterior collision prevention girders is to be positioned at the U-shaped beam of vehicle body front beam dead ahead, and the opening of U-shaped beam is connected to vehicle body
On crossbeam, for occur head-on crash time, by the impact force after energy absorber I, energy absorber II buffer by front tiltedly
Buttress brace passes to anterior collision prevention girders, then is delivered on body shell by anterior collision prevention girders, further buffers impact force；Institute
Energy absorber I, energy absorber II and the anterior collision prevention girders stated are collectively forming vehicle frame front anti-collision structure.
Described energy absorbing tube I includes front energy-absorbing pipe and rear portion energy absorbing tube；The front end of described front energy-absorbing pipe and upper guarantor
Danger thick stick is welded to connect, and rear end is welded to connect with ring flange；The front end of described rear portion energy absorbing tube is welded to connect with ring flange, and rear end is welded
It is connected on corresponding front oblique buttress brace.
Described front energy-absorbing pipe is identical with the structure of rear portion energy absorbing tube, all for being welded by two pieces of c-type pressed sheets
Rectangle frame；The opening of two pieces of c-type pressed sheets is relative, and one of c-type pressed sheet is withheld outside another block c-type pressed sheet
Side.
Described energy absorbing tube II is the rectangle frame being welded by two pieces of c-type pressed sheets；The opening phase of two pieces of c-type pressed sheets
Right, and one of c-type pressed sheet withholds in the outside of another block c-type pressed sheet.
It is provided with amortisseur buttress brace between bottom surface and the vehicle body front beam of the described anterior U-shaped beam of collision prevention girders；Described subtracts
Shake device buttress brace is two be arranged in parallel；It is provided with between described amortisseur buttress brace and corresponding front oblique buttress brace
Crashproof buttress brace.
It is provided with down crashproof buttress brace between described anterior buttress brace and the two main strutbeams of foundation framework of bottom framework.
A kind of carriage vehicle frame front anti-collision structure that the present invention proposes, oblique buttress brace before two-stage energy absorber is arranged on
On, and anterior collision prevention girders is set between buttress brace and vehicle body front beam tilting, when vehicle collides, first pass through two-stage
Energy absorber by energy absorption and before impact force is transferred to two tiltedly on buttress brace, then by before two tiltedly buttress brace will touch
Power of hitting is transferred on whole vehicle frame by anterior collision prevention girders；Improve the bulk strength of energy absorber rear portion collision prevention girders, it is to avoid
Energy absorber energy does not also fully absorb and just makes rear portion collision prevention girders bending and then be transferred on vehicle frame by too much energy, thus
Member is caused to injure the most serious situation；This design has effectively buffered the huge energy that collision brings, it is ensured that power is passing
It is delivered to the safety of back occupant in driver's cabin；Verify that this design meets national legislation requirement by correlation test；To sum up, the present invention carries
Safety during high car load generation head-on crash, and have that compact conformation, easily assembling, production technology be simple, low cost, entirety
The feature that structural strength is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the side view of the present invention.
Fig. 3 is not install energy absorbing tube I, the structural representation of energy absorbing tube II in the present invention.
Fig. 4 is the structural representation of energy absorbing tube I in the present invention.
Fig. 5 is the assembling figure of Fig. 4.
Fig. 6 is the structural representation of energy absorbing tube II in the present invention.
Fig. 7 is the assembling figure of Fig. 6.
Fig. 8 is the schematic cross-section of energy absorbing tube I.
In figure: 1, amortisseur buttress brace, 2, anterior collision prevention girders, 3, front oblique buttress brace, 4, energy absorbing tube I end connecting plate, 5,
Rear portion energy absorbing tube, 6, upper bumper, 7, front energy-absorbing pipe, 8, ring flange, 9, energy absorbing tube II, 10, energy absorbing tube II end connecting plate,
11, crashproof buttress brace under, 12, the main strutbeam of bottom framework, 13, upper crashproof buttress brace, 14, vehicle body front beam, 15, lower bumper.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the present invention is illustrated:
As shown in Figure 1 and Figure 2, a kind of carriage vehicle frame front anti-collision structure, described vehicle frame front anti-collision structure has and is arranged on
Front oblique buttress brace 3 on vehicle frame bottom framework, described front oblique buttress brace 3 is the structure arranged that is inclined upwardly by down, and by vehicle frame
Front portion tilt backwards；Described front oblique buttress brace 3 is two be symmetrical set；Arrange on described front oblique buttress brace 3
Energy absorber I, described energy absorber I is had to have two energy absorbing tubes be arrangeding in parallel I 4, after two described energy absorbing tubes I 4
End is respectively welded on corresponding front oblique buttress brace 3, and the front end of two described energy absorbing tubes I 4 is all connected with upper bumper 6,
When vehicle generation head-on crash, first collide with upper bumper 6, and by described energy absorber I, impact force is carried out
Absorb for the first time；As shown in Figure 4, Figure 5, and reference Fig. 8, described energy absorbing tube I 4 includes front energy-absorbing 7 and rear portion energy absorbing tube
5；The front end of described front energy-absorbing pipe 7 is welded to connect with upper bumper 6, and rear end is welded to connect with ring flange 8；Described rear portion energy-absorbing
The front end of pipe 5 is welded to connect with ring flange 8, and rear end is welded on corresponding front oblique buttress brace 3；Described front energy-absorbing pipe 7
Identical with the structure of rear portion energy absorbing tube 5, all for the rectangle frame being welded by two pieces of c-type pressed sheets；Opening of two pieces of c-type pressed sheets
Mouth is relative, and one of c-type pressed sheet is withheld in the outside of another block c-type pressed sheet；Also set on described front oblique buttress brace 3
It is equipped with energy absorber II；Described energy absorber II is positioned at the lower section of described energy absorber I；Described energy absorber II has two
The energy absorbing tube II 9 that root be arranged in parallel, the rear end of two described energy absorbing tubes II 9 is respectively welded at corresponding front oblique buttress brace 3
On, the front end of two described energy absorbing tubes II 9 is all connected with lower bumper 15；Described lower bumper 15 is upper in plan-position
Rear portion in described upper bumper 6；Described endergonic structure II, when vehicle generation head-on crash, carries out second time to impact force
Absorb, buffer impact force further；In conjunction with Fig. 6, Fig. 7, described energy absorbing tube II 9 is be welded by two pieces of c-type pressed sheets
Rectangle frame；The opening of two pieces of c-type pressed sheets is relative, and one of c-type pressed sheet is withheld outside another block c-type pressed sheet
Side；The upper end of two described front tiltedly buttress braces 3 is all connected with the anterior collision prevention girders 2 being arranged on vehicle body front beam 14；Described
Anterior collision prevention girders 2 is the U-shaped beam being positioned at vehicle body front beam dead ahead, and the opening of U-shaped beam is connected on vehicle body front beam 14,
For when there is head-on crash, the impact force after energy absorber I, energy absorber II buffer passed by front oblique buttress brace
Pass anterior collision prevention girders 2, then be delivered on body shell by anterior collision prevention girders 2, further buffer impact force；Described suction
Energy mechanism I, energy absorber II and anterior collision prevention girders are collectively forming vehicle frame front anti-collision structure.
It is provided with amortisseur buttress brace 1 between bottom surface and the vehicle body front beam of described anterior collision prevention girders 2U type beam；Described
Amortisseur buttress brace 1 is two be arranged in parallel；Set between described amortisseur buttress brace 1 and corresponding front oblique buttress brace 3
It is equipped with crashproof buttress brace 13.
It is provided with down crashproof buttress brace between described anterior buttress brace 3 and the two main strutbeams of foundation framework 12 of bottom framework
11。
First pass through two-stage energy absorber when carriage generation head-on crash and be transferred to by energy absorption and by impact force
Before two on oblique buttress brace, before two, impact force is delivered in anterior collision prevention girders 2 by oblique buttress brace, and will by anterior collision prevention girders 2
Impact force is transferred on whole vehicle frame；The present invention improves the bulk strength of energy absorbing tube module back collision prevention girders, it is to avoid energy-absorbing
Pipe assembly energy does not also fully absorb and just makes rear portion collision prevention girders bending and then be transferred on vehicle frame by too much energy, thus leads
Cause the situation that member's injury is the most serious.This design has effectively buffered the huge energy that collision brings, it is ensured that power is in transmission
The safety of back occupant in driver's cabin.Verify that this design meets national legislation requirement by correlation test.This invention improves whole
Safety during car generation head-on crash, and there is compact conformation, easily assembling, production technology is simple, low cost, overall structure are strong
Spend high feature.
Claims (6)
1. a carriage vehicle frame front anti-collision structure, it is characterised in that: described vehicle frame front anti-collision structure has and is arranged on car
Front oblique buttress brace (3) on frame bottom framework, described front oblique buttress brace (3) is the structure arranged that is inclined upwardly by down, and by car
The front portion of frame tilts backwards；Described front oblique buttress brace (3) is two be symmetrical set；Described front oblique buttress brace (3)
On be provided with energy absorber I, described energy absorber I has two energy absorbing tubes be arrangeding in parallel I (4), two described energy-absorbings
The rear end of pipe I (4) is respectively welded on corresponding front oblique buttress brace (3), the front end of two described energy absorbing tubes I (4) all with
Upper bumper (6) connects, and when vehicle generation head-on crash, first collides with upper bumper (6), and by described energy-absorbing
Impact force is carried out absorbing for the first time by mechanism I；It is additionally provided with energy absorber II on described front oblique buttress brace (3)；Described suction
Energy mechanism II is positioned at the lower section of described energy absorber I；Described energy absorber II has two energy absorbing tubes be arrangeding in parallel II
(9), the rear end of two described energy absorbing tubes II (9) is respectively welded on corresponding front oblique buttress brace (3), two described suctions
The front end of energy pipe II (9) is all connected with lower bumper (15)；Described lower bumper (15) is positioned on described on plan-position
The rear portion of bumper (6)；Described endergonic structure II, when vehicle generation head-on crash, carries out second time and absorbs impact force,
Buffer impact force further；Two described before tiltedly buttress braces (3) upper end all with the front portion being arranged on vehicle body front beam (14)
Collision prevention girders (2) connects；Described anterior collision prevention girders (2) is the U-shaped beam being positioned at vehicle body front beam dead ahead, and the opening of U-shaped beam
End is connected on vehicle body front beam (14), for when there is head-on crash, being buffered by through energy absorber I, energy absorber II
After impact force pass to anterior collision prevention girders (2) by front oblique buttress brace, then be delivered to body shell by anterior collision prevention girders (2)
On, further buffer impact force；Described energy absorber I, energy absorber II and anterior collision prevention girders are collectively forming car
Frame front anti-collision structure.
2. a kind of carriage vehicle frame front as claimed in claim 1 anti-collision structure, it is characterised in that: described energy absorbing tube I (4)
Include front energy-absorbing (7) and rear portion energy absorbing tube (5)；The front end of described front energy-absorbing pipe (7) and upper bumper (6) company of welding
Connecing, rear end is welded to connect with ring flange (8)；The front end at described rear portion energy absorbing tube (5) is welded to connect with ring flange (8), and rear end is welded
It is connected on corresponding front oblique buttress brace (3).
3. a kind of carriage vehicle frame front as claimed in claim 2 anti-collision structure, it is characterised in that: described front energy-absorbing pipe
(7) identical with the structure of rear portion energy absorbing tube (5), all for the rectangle frame being welded by two pieces of c-type pressed sheets；Two pieces of c-type punching presses
The opening of plate is relative, and one of c-type pressed sheet is withheld in the outside of another block c-type pressed sheet.
4. a kind of carriage vehicle frame front as claimed in claim 1 anti-collision structure, it is characterised in that: described energy absorbing tube II
(9) for the rectangle frame being welded by two pieces of c-type pressed sheets；The opening of two pieces of c-type pressed sheets is relative, and the punching of one of c-type
The outside at another block c-type pressed sheet withheld by pressing plate.
5. a kind of carriage vehicle frame front as claimed in claim 1 anti-collision structure, it is characterised in that: described anterior collision prevention girders
(2) it is provided with amortisseur buttress brace (1) between bottom surface and the vehicle body front beam of U-shaped beam；Described amortisseur buttress brace (1) is flat
Two of row setting；It is provided with crashproof reinforcement between described amortisseur buttress brace (1) and corresponding front oblique buttress brace (3)
Beam (13).
6. a kind of carriage vehicle frame front as claimed in claim 1 anti-collision structure, it is characterised in that: described anterior buttress brace
And between the main strutbeam of the two foundation framework (12) of bottom framework, be provided with down crashproof buttress brace (11) (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402768.0A CN106043436B (en) | 2016-06-12 | 2016-06-12 | A kind of carriage front anti-collision structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402768.0A CN106043436B (en) | 2016-06-12 | 2016-06-12 | A kind of carriage front anti-collision structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106043436A true CN106043436A (en) | 2016-10-26 |
| CN106043436B CN106043436B (en) | 2018-06-01 |
Family
ID=57171221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610402768.0A Active CN106043436B (en) | 2016-06-12 | 2016-06-12 | A kind of carriage front anti-collision structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN106043436B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108202758A (en) * | 2016-12-16 | 2018-06-26 | 郑州宇通客车股份有限公司 | A kind of endergonic structure, vehicle frame and vehicle using the endergonic structure |
| CN108407744A (en) * | 2018-05-10 | 2018-08-17 | 北京长城华冠汽车科技股份有限公司 | A kind of the rear anti-crash component and automobile of automobile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006143178A (en) * | 2004-10-19 | 2006-06-08 | Mitsubishi Motors Corp | Front side member structure |
| CN101734287A (en) * | 2008-11-25 | 2010-06-16 | 本田技研工业株式会社 | Front vehicle body structure |
| CN102398559A (en) * | 2011-11-18 | 2012-04-04 | 厦门金龙联合汽车工业有限公司 | Coach frontal collision breakdown contraction mechanism |
| CN102756702A (en) * | 2012-08-06 | 2012-10-31 | 丹阳市车船装饰件有限公司 | Automobile anticollision buffering energy-absorbing system |
| CN203268128U (en) * | 2013-04-22 | 2013-11-06 | 北京北方鸿瑞汽车技术有限公司 | Frame structure of electric automobile |
| CN204210586U (en) * | 2014-11-13 | 2015-03-18 | 南京嘉远特种电动车制造有限公司 | A kind of Minitype four-wheel electric vehicle skeleton |
| FR2990920B1 (en) * | 2012-05-25 | 2015-07-17 | Renault Sa | STRUCTURE DEVICE FOR MOUNTING ON A MOTOR VEHICLE CHASSIS ELEMENT |
-
2016
- 2016-06-12 CN CN201610402768.0A patent/CN106043436B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006143178A (en) * | 2004-10-19 | 2006-06-08 | Mitsubishi Motors Corp | Front side member structure |
| CN101734287A (en) * | 2008-11-25 | 2010-06-16 | 本田技研工业株式会社 | Front vehicle body structure |
| CN102398559A (en) * | 2011-11-18 | 2012-04-04 | 厦门金龙联合汽车工业有限公司 | Coach frontal collision breakdown contraction mechanism |
| FR2990920B1 (en) * | 2012-05-25 | 2015-07-17 | Renault Sa | STRUCTURE DEVICE FOR MOUNTING ON A MOTOR VEHICLE CHASSIS ELEMENT |
| CN102756702A (en) * | 2012-08-06 | 2012-10-31 | 丹阳市车船装饰件有限公司 | Automobile anticollision buffering energy-absorbing system |
| CN203268128U (en) * | 2013-04-22 | 2013-11-06 | 北京北方鸿瑞汽车技术有限公司 | Frame structure of electric automobile |
| CN204210586U (en) * | 2014-11-13 | 2015-03-18 | 南京嘉远特种电动车制造有限公司 | A kind of Minitype four-wheel electric vehicle skeleton |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108202758A (en) * | 2016-12-16 | 2018-06-26 | 郑州宇通客车股份有限公司 | A kind of endergonic structure, vehicle frame and vehicle using the endergonic structure |
| CN108407744A (en) * | 2018-05-10 | 2018-08-17 | 北京长城华冠汽车科技股份有限公司 | A kind of the rear anti-crash component and automobile of automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106043436B (en) | 2018-06-01 |
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