CN110116691B - Two-stage crumple type automobile anti-collision assembly - Google Patents

Two-stage crumple type automobile anti-collision assembly Download PDF

Info

Publication number
CN110116691B
CN110116691B CN201910535434.4A CN201910535434A CN110116691B CN 110116691 B CN110116691 B CN 110116691B CN 201910535434 A CN201910535434 A CN 201910535434A CN 110116691 B CN110116691 B CN 110116691B
Authority
CN
China
Prior art keywords
energy
auxiliary beam
groove body
stage
main beam
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.)
Active
Application number
CN201910535434.4A
Other languages
Chinese (zh)
Other versions
CN110116691A (en
Inventor
章勇
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.)
Shazhou Professional Institute of Technology
Original Assignee
Shazhou Professional Institute of Technology
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 Shazhou Professional Institute of Technology filed Critical Shazhou Professional Institute of Technology
Priority to CN201910535434.4A priority Critical patent/CN110116691B/en
Publication of CN110116691A publication Critical patent/CN110116691A/en
Application granted granted Critical
Publication of CN110116691B publication Critical patent/CN110116691B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/04Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24Arrangements for mounting bumpers on vehicles
    • B60R19/26Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
    • B60R19/34Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Vibration Dampers (AREA)

Abstract

The invention discloses a two-stage crumple type automobile anti-collision assembly, which comprises: the main beam, the auxiliary beam and the energy-absorbing box are arranged in the auxiliary beam in a concentric manner, a first groove body in front contact with the main beam is arranged in the front concave of the auxiliary beam, a second groove body in back contact with the main beam is arranged in the concave of the back of the auxiliary beam, the energy-absorbing box is arranged on the back of the auxiliary beam at intervals, a plugging plate is arranged at the front end of the energy-absorbing box, a locating piece extending into the second groove body is arranged on the plugging plate, a nut is arranged in the locating piece, and a bolt penetrating through the main beam and the auxiliary beam and connected with the nut is arranged in the first groove body. Through the mode, the two-stage crumple type automobile anti-collision assembly particularly adopts the auxiliary beam to protect and strengthen the main beam, when a vehicle encounters a slightly large collision, the energy absorption box crumples firstly to absorb part of collision energy, and then the first tank body and the second tank body crumple to absorb residual collision energy, so that the two-stage crumple protection is realized.

Description

Two-stage crumple type automobile anti-collision assembly
Technical Field
The invention relates to the technical field of automobiles, in particular to a two-stage crumple type automobile anti-collision assembly.
Background
In order to improve the safety performance of vehicles, most vehicles are provided with an anti-collision beam. The anti-collision beam can generate plastic deformation when the vehicle collides violently, part of impact is absorbed, further damage of the vehicle is reduced, the original rigidity of the anti-collision beam which generates plastic deformation is lost, the anti-collision beam needs to be replaced integrally, and the cost is high.
In order to reduce the maintenance cost of the anti-collision beam, the energy-absorbing boxes are arranged between the cross beam and the frame longitudinal beam of part of vehicles, so that low-speed safety protection is realized. The energy-absorbing box is used as a metal thin-wall component, and is easy to fold and deform during collision, so that the collision energy can be effectively absorbed during low-speed collision of the vehicle, the damage of the collision force to the longitudinal beam of the vehicle body is reduced as much as possible, the passive safety of the vehicle is improved, and the maintenance cost caused by non-severe collision is reduced.
The energy-absorbing box is generally stable in impact energy absorption capacity, and part of the energy-absorbing box can exceed the impact energy absorption capacity range of the energy-absorbing box, so that the cross beam is subjected to plastic deformation, that is, the energy-absorbing box can only realize primary collapse, and the energy-absorbing box is difficult to quickly separate from the cross beam after deformation, so that the maintenance convenience is influenced, and the maintenance cost is increased.
Disclosure of Invention
The invention mainly solves the technical problem of providing a two-stage crumple type automobile anti-collision assembly, which realizes two-stage crumple, strengthens the protection of a cross beam and reduces maintenance cost.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a two-stage is collapsed formula car anticollision subassembly, includes: the main beam, the auxiliary beam and the energy-absorbing box are arranged in the auxiliary beam in a concentric manner, a first groove body in front contact with the main beam is arranged in the front concave of the auxiliary beam, a second groove body in back contact with the main beam is arranged in the concave of the back of the auxiliary beam, the energy-absorbing box is arranged on the back of the auxiliary beam at intervals, a plugging plate is arranged at the front end of the energy-absorbing box, a locating piece extending into the second groove body is arranged on the plugging plate, a nut is arranged in the locating piece, and a bolt penetrating through the main beam and the auxiliary beam and connected with the nut is arranged in the first groove body.
In a preferred embodiment of the invention, the positioning piece is a C-shaped channel steel, and the positioning piece is welded at the front end of the plugging plate.
In a preferred embodiment of the invention, the wall thickness of the crash boxes is less than the wall thickness of the secondary beams, such that the crash boxes form a first stage crush mechanism.
In a preferred embodiment of the invention, the secondary beam has a wall thickness less than the wall thickness of the primary beam such that the secondary beam forms a secondary crush mechanism.
In a preferred embodiment of the present invention, the crash box is provided with a crush-inducing slot.
In a preferred embodiment of the invention, the rear end of the energy absorption box is provided with a mounting plate.
In a preferred embodiment of the present invention, the main beam and the auxiliary beam are respectively hollow steel pipes or hollow aluminum alloy pipes.
In a preferred embodiment of the invention, the front surface of the auxiliary beam is covered with a foam board, and the back surface of the foam board is convexly provided with a convex strip which enters the first groove body.
In a preferred embodiment of the present invention, the raised strips are provided with glue connected to the side wall of the first groove body.
In a preferred embodiment of the present invention, the secondary beam is provided with crush cavities on both sides of the first channel and the second channel.
The beneficial effects of the invention are as follows: the two-stage crumple type automobile anti-collision assembly has the advantages that the auxiliary beam is particularly adopted for protection and structural reinforcement of the main beam, the energy absorption box crumples to absorb energy when the automobile encounters small collision, the first-stage crumple protection is realized, the bolt is protected by the first groove body and cannot deform, the disassembly is convenient, the maintenance cost is low, when the automobile encounters slightly large collision, the energy absorption box crumples firstly to absorb part of collision energy, then the first groove body and the second groove body crumple to absorb residual collision energy, the second-stage crumple protection is realized, the deformation of the main beam is avoided, only when the automobile encounters large collision, the main beam deforms, but after the second-stage crumple protection, the collision energy suffered by the main beam is greatly reduced, and the protection to the automobile and drivers is further improved.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic illustration of a two-stage crush type automotive bumper assembly according to a preferred embodiment of the present invention;
Fig. 2 is a cross-sectional view taken along A-A of fig. 1.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
The two-stage crumple type automobile anti-collision assembly as shown in fig. 1-2 comprises: the main beam 5, the auxiliary beam 3 and the energy-absorbing box 2, the main beam 5 is concentrically arranged in the auxiliary beam 3, the protection and the integral structural strength of the main beam 5 are enhanced by utilizing the auxiliary beam 3, the main beam 5 and the auxiliary beam 3 are respectively hollow steel pipes or hollow aluminum alloy pipes, the weight is light, the structural strength is high, the main beam 5 can be independently pulled out, and the maintenance cost is reduced.
The front indent of the auxiliary beam 3 is provided with a first groove body 11 which is in front contact with the main beam 5, the back indent of the auxiliary beam 3 is provided with a second groove body 10 which is in back contact with the main beam 5, the auxiliary beam 3 is internally provided with a crumple cavity 12 which is positioned at two sides of the first groove body 11 and the second groove body 10, and when the auxiliary beam is impacted by a certain degree, the crumple cavity 12 enables the first groove body 11 and the second groove body 10 to crumple, so that the absorption of partial impact energy is realized.
As shown in fig. 1, the energy-absorbing boxes 2 are arranged on the back surface of the auxiliary beam 3 at intervals, the rear ends of the energy-absorbing boxes 2 are provided with mounting plates 1, and mounting holes are formed in four corners of each mounting plate 1, so that the energy-absorbing boxes are conveniently fixed on a girder of a vehicle by screws.
The energy-absorbing box 2 front end welding is provided with shutoff board 8, be provided with on the shutoff board 8 and extend to setting element 6 in the second cell body 10, as shown in fig. 2, setting element 6 is C-shaped groove steel, setting element 6 welding is at shutoff board front end, sound construction, and setting element 6 gets into in the second cell body 10, and setting element 6 upper and lower surface is spacing with the contact of second cell body 10 inner wall respectively, carries out the high spacing of energy-absorbing box 2, and it is more convenient to assemble, and the structure is more stable, and it is also more convenient to dismantle.
Be provided with nut 9 in the setting element 6, nut 9 welded fastening is in setting element 6, stable in structure, be provided with in the first cell body 11 and run through girder 5 and auxiliary girder 3 and be connected with nut 9's bolt 7, the installation is more convenient with dismantling, and the protection of bolt 7 can be carried out to first cell body 11 moreover, promotes the convenience of bolt 7 dismantlement during maintenance.
The wall thickness of the energy-absorbing box 2 is smaller than that of the auxiliary beam 3, so that the energy-absorbing box 2 forms a first-stage crumple mechanism. The crash box 2 is provided with a collapse inducing groove, and when a vehicle encounters small impact, the crash box 2 collapses to absorb energy, so that primary collapse protection is realized. The wall thickness of the auxiliary beam 3 is smaller than that of the main beam 5, so that the auxiliary beam 3 forms a second-stage crumple mechanism, when a vehicle encounters a slightly large impact, the energy-absorbing box 2 crumples firstly to absorb part of impact energy, then the first groove 11 and the second groove 10 crumple to absorb residual impact energy, the second-stage crumple protection is realized, and the deformation of the main beam 5 is avoided.
The front cover of auxiliary girder 3 is provided with a foam board 4, utilizes foam board 4 to carry out elastic buffering, reduces the injury of plastics bumper and passerby, foam board 4 back evagination is provided with the sand grip that gets into in the first cell body 11, forms the structure that the cross-section is T shape, and the sand grip carries out the location of foam board 4, be provided with the glue that is connected with first cell body 11 lateral wall on the sand grip, realize the fixed of sand grip, avoid the problem that drops.
In summary, the two-stage crumple type automobile anti-collision assembly disclosed by the invention is convenient to assemble, realizes the primary crumple protection and the secondary crumple protection according to the force of collision, strengthens the protection of a vehicle, and further reduces the maintenance cost.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.

Claims (6)

1. A two-stage crush type automotive bumper assembly comprising: the novel energy-saving beam comprises a main beam, an auxiliary beam and an energy-absorbing box, wherein the main beam is concentrically arranged in the auxiliary beam, a first groove body in front contact with the main beam is arranged in the front indent of the auxiliary beam, a second groove body in front contact with the main beam is arranged in the back indent of the auxiliary beam, the energy-absorbing box is arranged on the back of the auxiliary beam at intervals, a plugging plate is arranged at the front end of the energy-absorbing box, a locating piece extending into the second groove body is arranged on the plugging plate, a nut is arranged in the locating piece, bolts penetrating through the main beam and the auxiliary beam and connected with the nut are arranged in the first groove body, the wall thickness of the energy-absorbing box is smaller than that of the auxiliary beam, the energy-absorbing box forms a first-stage crumple mechanism, the wall thickness of the auxiliary beam is smaller than that of the main beam, crumple cavities positioned on two sides of the first groove body and the second groove body are respectively hollow steel pipes or hollow aluminum alloy pipes.
2. The two-stage crush automotive bumper assembly of claim 1, wherein the locating member is a C-channel and the locating member is welded to the front end of the stopper plate.
3. The two-stage crush type automotive bumper assembly of claim 1, wherein crush inducing channels are provided on the crash boxes.
4. The two-stage crush automotive bumper assembly of claim 1, wherein the rear end of the crash box is provided with a mounting plate.
5. The two-stage crush type automotive bumper assembly of claim 1, wherein the secondary beam front face is covered with a foam sheet, and the foam sheet back face is convexly provided with a convex strip into the first channel.
6. The two-stage crush automotive bumper assembly of claim 5, wherein the ribs are provided with glue that is connected to the first channel side wall.
CN201910535434.4A 2019-06-20 2019-06-20 Two-stage crumple type automobile anti-collision assembly Active CN110116691B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910535434.4A CN110116691B (en) 2019-06-20 2019-06-20 Two-stage crumple type automobile anti-collision assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910535434.4A CN110116691B (en) 2019-06-20 2019-06-20 Two-stage crumple type automobile anti-collision assembly

Publications (2)

Publication Number Publication Date
CN110116691A CN110116691A (en) 2019-08-13
CN110116691B true CN110116691B (en) 2024-05-07

Family

ID=67524391

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910535434.4A Active CN110116691B (en) 2019-06-20 2019-06-20 Two-stage crumple type automobile anti-collision assembly

Country Status (1)

Country Link
CN (1) CN110116691B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000052897A (en) * 1998-08-05 2000-02-22 Nippon Light Metal Co Ltd Bumper structure
CN201040514Y (en) * 2007-06-01 2008-03-26 奇瑞汽车有限公司 Crash-proof energy-absorbing device for automobile
CN203580854U (en) * 2013-11-30 2014-05-07 奇瑞汽车股份有限公司 Vehicle front bumper crossbeam assembly
CN104417470A (en) * 2013-09-04 2015-03-18 江苏海德莱特汽车部件有限公司 Vehicle bumper
CN104786969A (en) * 2015-04-27 2015-07-22 北京汽车研究总院有限公司 Collision passive safety device and automobile
CN205890808U (en) * 2016-06-16 2017-01-18 东风小康汽车有限公司重庆分公司 Automobile front anti -collision beam assembly
CN107985237A (en) * 2017-12-22 2018-05-04 华侨大学 Application on front crashproof beam structure for automobile and automobile
CN207345725U (en) * 2017-09-26 2018-05-11 张涛 A kind of vehicle collision prevention girders
CN208615869U (en) * 2018-08-15 2019-03-19 重庆安福汇工业设计有限公司 Anti-collision beam energy absorbing structure and automobile
CN210391031U (en) * 2019-06-20 2020-04-24 沙洲职业工学院 Two-stage collapsing type automobile anti-collision assembly

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000052897A (en) * 1998-08-05 2000-02-22 Nippon Light Metal Co Ltd Bumper structure
CN201040514Y (en) * 2007-06-01 2008-03-26 奇瑞汽车有限公司 Crash-proof energy-absorbing device for automobile
CN104417470A (en) * 2013-09-04 2015-03-18 江苏海德莱特汽车部件有限公司 Vehicle bumper
CN203580854U (en) * 2013-11-30 2014-05-07 奇瑞汽车股份有限公司 Vehicle front bumper crossbeam assembly
CN104786969A (en) * 2015-04-27 2015-07-22 北京汽车研究总院有限公司 Collision passive safety device and automobile
CN205890808U (en) * 2016-06-16 2017-01-18 东风小康汽车有限公司重庆分公司 Automobile front anti -collision beam assembly
CN207345725U (en) * 2017-09-26 2018-05-11 张涛 A kind of vehicle collision prevention girders
CN107985237A (en) * 2017-12-22 2018-05-04 华侨大学 Application on front crashproof beam structure for automobile and automobile
CN208615869U (en) * 2018-08-15 2019-03-19 重庆安福汇工业设计有限公司 Anti-collision beam energy absorbing structure and automobile
CN210391031U (en) * 2019-06-20 2020-04-24 沙洲职业工学院 Two-stage collapsing type automobile anti-collision assembly

Also Published As

Publication number Publication date
CN110116691A (en) 2019-08-13

Similar Documents

Publication Publication Date Title
CN210149273U (en) Little overlapping offset collision automobile body front end integrated configuration
CN210734063U (en) Front cross beam assembly of vehicle frame
CN113954970A (en) Vehicle body front frame structure
CN101920685B (en) Automobile front body structure
US20040135384A1 (en) Bumper assembly
CN210391031U (en) Two-stage collapsing type automobile anti-collision assembly
CN110116691B (en) Two-stage crumple type automobile anti-collision assembly
CN112874459A (en) Energy absorption box structure and using method thereof
CN111959614A (en) Front wall support of crumple energy absorption box and instrument board beam
CN115257945B (en) Dash board lower beam structure and car
CN210047432U (en) Split type automobile anti-collision beam convenient to maintain
JP4647805B2 (en) Car side step
KR20060012791A (en) Hybrid type front bumper beam structure
CN212796772U (en) Anti-collision beam assembly and vehicle before vehicle
CN112590700B (en) Integrated multi-stage buffer automobile lower guard plate device and protection method
CN109292006B (en) Automobile fender mounting device
CN219312875U (en) Car body threshold reinforced structure and vehicle
CN213768723U (en) Front structure of platform vehicle body
CN111845941A (en) Vehicle with a steering wheel
CN220924296U (en) Front door opening assembly and vehicle
CN216232090U (en) Automobile two-stage buffer rear protective bar
CN217945330U (en) Electric tail gate collision buffer structure
CN209795398U (en) High-safety automobile bumper
CN219382395U (en) Sectional type car anticollision roof beam
CN217022661U (en) Vehicle front collision energy-absorbing structure and vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant