CN201272311Y - Bumper system - Google Patents

Bumper system Download PDF

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Publication number
CN201272311Y
CN201272311Y CNU200820095218XU CN200820095218U CN201272311Y CN 201272311 Y CN201272311 Y CN 201272311Y CN U200820095218X U CNU200820095218X U CN U200820095218XU CN 200820095218 U CN200820095218 U CN 200820095218U CN 201272311 Y CN201272311 Y CN 201272311Y
Authority
CN
China
Prior art keywords
energy
bumper
plate
absorbing
crossbeam
Prior art date
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.)
Expired - Fee Related
Application number
CNU200820095218XU
Other languages
Chinese (zh)
Inventor
张雷
杨金秀
高发华
王灿军
高新华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery Automobile Co Ltd
Original Assignee
Chery Automobile Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chery Automobile Co Ltd filed Critical Chery Automobile Co Ltd
Priority to CNU200820095218XU priority Critical patent/CN201272311Y/en
Application granted granted Critical
Publication of CN201272311Y publication Critical patent/CN201272311Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a bumper system, which comprises a bumper, energy-absorbing material, a cross beam, energy-absorbing boxes and mounting plates. The energy-absorbing material is filled between the exterior of the cross beam and the bumper; both ends of the cross beam are respectively connected with the energy-absorbing boxes and the mounting plates connected with a vehicle body; and the cross beam comprises an inner plate and an outer plate which are welded together to form a double-plate hollow structure. The outer plate is provided with a cambered plate for an outer groove; and the inner plate is provided with a cambered plate structure for an inner groove. The energy-absorbing material is EPP foam. The material of the bumper is made of thermoplastic polycarbonate material. Each energy-absorbing box is a box-shaped structure which is formed by two welded metal plates, and the outer wall of the box body is provided with a group of grooves. Since the technical scheme of multiple energy-absorbing buffering is adopted, the vehicle bumper can be fully crushed to buffer bump in the process of bump, and can disperse and transfer bumping energy to vehicle girders in order to protect the cabin and passengers.

Description

A kind of bumper assembly
Technical field
The technical field that the utility model relates to is the vehicle collision safety method, specifically, relates to a kind of actv. energy-absorbing buffering bumper assembly.
Background technology
Nowadays, vehicle safety performance is becoming the problem of people's growing interest.In automobile collision accident, the body structure performance has been brought into play very important effect.Carry out body structure design, must handle following each design considerations effectively, i.e. bus body strength rigidity safety, light weight, durable, sealing, structure function, material manufacture technology and cost etc., thus guarantee the in-use performance and the manufacturability of vehicle body.The vehicle body safety most important is exactly how to absorb impact energy when bumping, and guarantees necessary occupant's living space, and based on this point, the body structure design is not firm more good more.Vehicle body front and rear part structure has proper flexibility, is absorbed energy so that smash distortion when the front and back collision takes place, and is very important from security consideration.As everyone knows, vehicle frontal collision occurrence frequency in car accedent is the highest, and about 49%.Therefore, research vehicle frontal collision characteristic appropriate design vehicle body front structure is taked necessary head-on crash safety method, the safety in the time of can effectively improving vehicle frontal collision.The safeguard construction measure of body forward structure head-on crash mainly contains: the conquassation distortion that effectively utilizes body forward structure is alleviated crash acceleration to absorb collision energy; Reinforce passenger cabin antetheca structure, guarantee the living space of passenger cabin.
Existing bumper assembly comprises bumper/spoiler (external ornament), energy-absorbing material (energy-absorbing foam), crossbeam, energy-absorbing box and adapter plate.The effect of bumper assembly center member mainly is destructiveness and a maintainability of optimizing its product in the low speed collision process to greatest extent.Main objective is to reduce the maintenance cost of collision vehicle, and improves the requirement of globality, crashworthiness and other rules of vehicle under the condition that does not jeopardize occupant safety.Existing bumper assembly exists the actv. energy-absorbing buffering to reach the deficiency of narrow application range inadequately.
Summary of the invention
The purpose of this utility model is the deficiency that exists in the existing bumper assembly to provide a kind of bumper assembly, and its can actv. energy-absorbing buffering, has improved crash survivability.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of bumper assembly comprises bumper/spoiler (external ornament), energy-absorbing material (energy-absorbing foam), crossbeam, energy-absorbing box and adapter plate.Between crossbeam outside and bumper/spoiler, fill energy-absorbing material, connect the adapter plate of energy-absorbing box and connection car body at the crossbeam two ends respectively; It is characterized in that: described crossbeam forms structure empty in the doubling plate by inner panel and outside plate welding.
It is the cambered plate that water jacket is arranged on the described outside plate that described crossbeam forms structure empty in the doubling plate by inner panel and outside plate welding; The cambered plate structure that inside groove is arranged on the described inner panel.
Water jacket size on the described crossbeam on the outside plate is less than the inside groove size on the inner panel.
Described crossbeam is the arc adaptive with car body.
Described energy-absorbing material is the EPP foamed materials.
Described bumper material is to have thermoplastic makrolon material to process.
Described energy-absorbing box is the structure of a boxlike being welded by two panel beatings, at the box body outer wall one group of groove is arranged.
Good effect of the present utility model: owing to adopt the technical scheme of multiple energy-absorbing buffering, in collision process, make the abundant conquassation buffering of vehicle bumper, and collision energy is disperseed to be delivered on the vehicle longeron protection passenger cabin and passenger.This structure can guarantee pedestrian's safety, makes pedestrian and vehicle that a buffering is arranged in accident, and bumper/spoiler uses soft material, its breaking strain at least 9%~12%.Guarantor's crossbeam, energy-absorbing foam and energy-absorbing box can absorb the energy about 10% before during high-speed crash.
Below with reference to drawings and Examples, the utility model is carried out comparatively detailed explanation.
Description of drawings
Fig. 1 is the utility model D structure scheme drawing.
Fig. 2 is the utility model center member organigram.
Fig. 3 is an energy-absorbing box organigram in the utility model.
Among the figure: 1. bumper/spoiler, 2. energy-absorbing material, 3. crossbeam, 4. energy-absorbing box, 5. adapter plate, 6. bolt, 31. outside plates, 32. inner panels, 33. water jackets, 34. inside grooves, 41, groove.
The specific embodiment
Embodiment 1, and shown in Fig. 1,2,3, a kind of bumper assembly comprises bumper/spoiler 1 (external ornament), energy-absorbing material 2 (energy-absorbing foam), crossbeam 3, energy-absorbing box 4 and adapter plate 5.Between crossbeam 3 outsides and bumper/spoiler 1, fill energy-absorbing material 2, connect the adapter plate 5 of energy-absorbing box 4 and connection car body at crossbeam 3 two ends respectively.Adapter plate 5 connects with car body by bolt.Described crossbeam 3 forms structure empty in the doubling plate by inner panel 32 and outside plate 31 welding.The cambered plate that water jacket 33 is arranged on the described outside plate 31; The cambered plate structure that inside groove 34 is arranged on the described inner panel 32.
Water jacket size on the described crossbeam on the outside plate is less than the inside groove size on the inner panel.
Described crossbeam is the arc adaptive with car body.Also to consider transmission during the design of this beam structure with the overlap joint and the Impact energy of car body longeron.Consider the influence that biasing is bumped, crossbeam length in the horizontal direction is greater than the width between the car body left-right longeron.
The preferred EPP foamed materials of described energy-absorbing material.
Described bumper material is to have thermoplastic makrolon material to process.
Described energy-absorbing box 4 is structures of a boxlike being welded by two panel beatings, at the box body outer wall one group of groove 41 is arranged.When being subjected to impacting, the power of crossbeam is delivered to the energy-absorbing box, because energy-absorbing box inner and outer plates all has groove, can form sufficient conquassation distortion in collision process, absorbs Impact energy.Energy-absorbing box and adapter plate welding can be delivered to the car body longeron to energy by plate like this.The material of adapter plate is a high tensile steel plate.It and longeron are by bolt 6 bonded assemblys, can guarantee that like this repair demolition is convenient.
Because crossbeam inner panel and outside plate welding form the structure of doubling plate, the enough intensity of crossbeam when such design can guarantee to collide.Crossbeam has adopted the high strength steel panel material, for the security consideration to the passenger, from the angle of mechanics study, is should not marry again the huge energy of collision in the occupant on one's body.So what body drawing should be accomplished is exactly: this softness local soft, this is firm local firm.Just allow the front portion of car body the time absorb most of energy in collision, and allow crash-resistant driving compartment reduce distortion to avoid the occupant to be squeezed as far as possible, Here it is to the application of conservation of energy theorem.The vehicle body that safety performance is high forwardly is provided with the spacious collision deformation district and the bumper transverse bar of middle intensity.The center of gravity of bumper/spoiler and crossbeam can form a good Path of Force Transfer at sustained height.

Claims (7)

1, a kind of bumper assembly comprises bumper/spoiler, energy-absorbing material, crossbeam, energy-absorbing box and adapter plate, fills energy-absorbing material between crossbeam outside and bumper/spoiler, connects the adapter plate of energy-absorbing box and connection car body respectively at the crossbeam two ends; It is characterized in that: described crossbeam forms structure empty in the doubling plate by inner panel and outside plate welding.
2, bumper assembly according to claim 1 is characterized in that: it is the cambered plate that water jacket is arranged on the described outside plate that described crossbeam forms structure empty in the doubling plate by inner panel and outside plate welding; The cambered plate structure that inside groove is arranged on the described inner panel.
3, bumper assembly according to claim 1 and 2 is characterized in that: the water jacket size on the described crossbeam on the outside plate is less than the inside groove size on the inner panel.
4, bumper assembly according to claim 1 and 2 is characterized in that: described crossbeam is the arc adaptive with car body.
5, bumper assembly according to claim 1 is characterized in that: described energy-absorbing material is the EPP foamed materials.
6, bumper assembly according to claim 1 is characterized in that: described bumper material is to have thermoplastic makrolon material.
7, bumper assembly according to claim 1 is characterized in that: described energy-absorbing box is the structure of a boxlike being welded by two panel beatings, at the box body outer wall one group of groove is arranged.
CNU200820095218XU 2008-06-30 2008-06-30 Bumper system Expired - Fee Related CN201272311Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200820095218XU CN201272311Y (en) 2008-06-30 2008-06-30 Bumper system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200820095218XU CN201272311Y (en) 2008-06-30 2008-06-30 Bumper system

Publications (1)

Publication Number Publication Date
CN201272311Y true CN201272311Y (en) 2009-07-15

Family

ID=40882660

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU200820095218XU Expired - Fee Related CN201272311Y (en) 2008-06-30 2008-06-30 Bumper system

Country Status (1)

Country Link
CN (1) CN201272311Y (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102343880A (en) * 2010-07-30 2012-02-08 爱信精机株式会社 Bumper device for vehicle
CN103085741A (en) * 2011-10-27 2013-05-08 上海通用汽车有限公司 Energy-absorbing block and bumper device provided with same
CN104149722A (en) * 2013-05-14 2014-11-19 北汽福田汽车股份有限公司 Energy absorption and anticollision device on front portion of vehicle and vehicle body containing energy absorption and anticollision device
CN104590176A (en) * 2014-12-24 2015-05-06 奇瑞商用车(安徽)有限公司 Method for assembling automobile back anti-collision beam energy absorption box
CN105691334A (en) * 2016-03-07 2016-06-22 北京航空航天大学 Bumper device integrally formed by metal/composite material
CN106347270A (en) * 2016-08-29 2017-01-25 合肥常青机械股份有限公司 Anti-collision component for automobile bumper
CN106458124A (en) * 2014-04-17 2017-02-22 特斯拉汽车公司 Vehicle crush rail with substantially square cells and initiators
CN107963043A (en) * 2017-11-23 2018-04-27 陕西科技大学 A kind of three-stage combined vehicle collision integrated system and method
CN108394364A (en) * 2018-04-09 2018-08-14 北京汽车研究总院有限公司 A kind of bumper assembly and automobile
CN108501843A (en) * 2018-02-27 2018-09-07 西安交通大学 A kind of vehicle bumper systems
CN109318841A (en) * 2018-10-30 2019-02-12 江苏振世达新能源汽车有限公司 A kind of automobile-used collision prevention girders and its manufacturing method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102343880A (en) * 2010-07-30 2012-02-08 爱信精机株式会社 Bumper device for vehicle
CN103085741A (en) * 2011-10-27 2013-05-08 上海通用汽车有限公司 Energy-absorbing block and bumper device provided with same
CN103085741B (en) * 2011-10-27 2015-07-15 上海通用汽车有限公司 Energy-absorbing block and bumper device provided with same
CN104149722A (en) * 2013-05-14 2014-11-19 北汽福田汽车股份有限公司 Energy absorption and anticollision device on front portion of vehicle and vehicle body containing energy absorption and anticollision device
CN106458124A (en) * 2014-04-17 2017-02-22 特斯拉汽车公司 Vehicle crush rail with substantially square cells and initiators
CN104590176A (en) * 2014-12-24 2015-05-06 奇瑞商用车(安徽)有限公司 Method for assembling automobile back anti-collision beam energy absorption box
CN105691334A (en) * 2016-03-07 2016-06-22 北京航空航天大学 Bumper device integrally formed by metal/composite material
CN106347270A (en) * 2016-08-29 2017-01-25 合肥常青机械股份有限公司 Anti-collision component for automobile bumper
CN107963043A (en) * 2017-11-23 2018-04-27 陕西科技大学 A kind of three-stage combined vehicle collision integrated system and method
CN108501843A (en) * 2018-02-27 2018-09-07 西安交通大学 A kind of vehicle bumper systems
CN108501843B (en) * 2018-02-27 2020-07-10 西安交通大学 Motor vehicle bumper system
CN108394364A (en) * 2018-04-09 2018-08-14 北京汽车研究总院有限公司 A kind of bumper assembly and automobile
CN109318841A (en) * 2018-10-30 2019-02-12 江苏振世达新能源汽车有限公司 A kind of automobile-used collision prevention girders and its manufacturing method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090715

Termination date: 20150630

EXPY Termination of patent right or utility model