CN109664852A - A kind of bumper assembly - Google Patents
A kind of bumper assembly Download PDFInfo
- Publication number
- CN109664852A CN109664852A CN201811607552.3A CN201811607552A CN109664852A CN 109664852 A CN109664852 A CN 109664852A CN 201811607552 A CN201811607552 A CN 201811607552A CN 109664852 A CN109664852 A CN 109664852A
- Authority
- CN
- China
- Prior art keywords
- crossbeam
- energy
- plate
- absorption box
- bumper
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, 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
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
- B60R2019/1813—Structural beams therefor, e.g. shock-absorbing made of metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a kind of bumper assemblies, including bumper beam, the energy-absorption box for being arranged on the inside of crossbeam both ends and being connected with crossbeam；The bumper beam has aduncate radian in the axial direction, and section of beam is " B " tee section；The bumper beam is through the welded molding of monolith steel plate roll-in, the rectangle part including top, the coupling part at middle part and the trapezoidal portions of lower part；The solder joint of bumper beam is located at the outer middle side part coupling part central axes of bumper beam；The energy-absorption box includes energy-absorbing box main body, and the energy-absorbing box main body is by upper C-shaped plate and lower C-shaped plate is welded forms, and the crumple induction slot parallel with connecting plate is provided on the energy-absorption box body top face, two sides and bottom surface；The crumple of the top and bottom induces slot to energy-absorption box inner recess, and the crumple of the two sides induces slot to energy-absorption box outer projection；The present invention has the characteristics that safe and effective, structure is simple, is conducive to promote.
Description
Technical field
The present invention relates to a kind of bumper assemblies.
Background
Bumper is the safety device for absorbing and slowing down foreign impacts power, protect vehicle body front and rear part, is the one of automobile
A important composition component, but following problem is still remained on existing bumper:
1. automobile front/rear collision bumper is with steel plate punched into channel steel many years before, with longitudinal beam rivet or weld one
It rises, has one section of biggish gap with vehicle body, it appears that very unsightly.
2. a large amount of safety protection structure is provided in vehicle, wherein the bumper for being located at automotive front end is to absorb to delay
With foreign impacts power, the safety device of vehicle foreside is protected；Automotive light weight technology is difficult to realize；
3. collision energy can be transmitted to left and right energy-absorbing in time by bumper bar crossbeam when high speed Frontal offset impact occurs
The main energy absorbing component such as box, front longitudinal beam, makes it fully absorb collision energy, in order to reduce crew module invade occur high speed front partially
When setting collision, bumper bar crossbeam uses high strength steel in order not to be deformed and be broken, and makes manufacturing expense and former material
Expect at high cost, but the strength of materials fully meets crashworthiness requirement, but elongation is too low, can show during high velocity impact
Fragile material characteristic out induces bumper beam fracture, and bumper anti-bending strength is determined by the cross section property of bumper.
Summary of the invention
The purpose of the present invention is to solve the above the deficiencies in the prior art, provide a kind of bumper assembly.
The technical scheme adopted by the invention is that a kind of such, bumper assembly, including bumper beam, setting are in cross
The energy-absorption box being connected on the inside of beam both ends and with crossbeam；
The bumper beam has aduncate radian in the axial direction, and section of beam is " B " tee section；Described
Bumper beam is through the welded molding of monolith steel plate roll-in, the rectangle part including top, the coupling part and lower part at middle part
Trapezoidal portions；The solder joint of bumper beam is located at the outer middle side part coupling part central axes of bumper beam；
The energy-absorption box includes energy-absorbing box main body, the energy-absorbing box main body it is welded by upper C-shaped plate and lower C-shaped plate and
At being provided with parallel with crossbeam axial direction crumple induction slot on the energy-absorption box body top face, two sides and bottom surface；It is described
The crumple of top and bottom induces slot to energy-absorption box inner recess, and the crumple of the two sides induces slot convex to energy-absorption box outside
It rises；
Preferably, crumple induction slot is strip.
Preferably, crossbeam and energy-absorbing room connecting portion are provided centrally with the support tube through crossbeam.
Preferably, upper C-shaped plate top surface and two sides are respectively arranged with upper mounted plate and two sides fixed plate close to crossbeam side,
The upper mounted plate is connected with the rectangle part on the top of crossbeam, the trapezoidal portions phase of two sides fixed plate and the lower part of crossbeam
Even；The lower C-shaped plate bottom surface is provided with bottom plate close to crossbeam side, the bottom plate and a L shape connecting plate it is perpendicular
Straight panel be connected, the level board of L shape connecting plate with and crossbeam bottom surface be connected.
Preferably, between upper mounted plate and two sides fixed plate and crossbeam, between bottom plate and L shape connecting plate, the connection of L shape
Between plate and crossbeam, welded fixation.
Preferably, the radius of the radian of crossbeam is between 2500mm-3000mm.
The utility model has the advantages that
1. crossbeam of the invention is designed as B shape structure through the welded molding of monolith steel plate roll-in, by section of beam, strengthen
The crumple energy-absorbing of crossbeam, the bending of inside plasticity and anti-bending strength.
2. being provided on the energy-absorption box body top face of the invention, two sides and bottom surface parallel with crossbeam axial direction
Crumple induces slot；The crumple of the top and bottom induces slot to energy-absorption box inner recess, and the crumple of the two sides induces slot
To energy-absorption box outer projection, energy-absorption box can be guided to carry out crash compresses deformation, while reduce its collision for colliding the initial stage
Power.
3. the configuration of the present invention is simple does not lose intensity but, whole weight is effectively reduced, realizes automotive light weight technology, together
When overall structure it is beautiful and generous, just with installation and transportation, be conducive to promote the use of.
Detailed description of the invention
Fig. 1 structure of the invention figure；
Fig. 2 is crossbeam top view of the present invention；
Fig. 3 is section of beam figure of the present invention；
Fig. 4 is energy-absorption box structure chart one of the present invention；
Fig. 5 is energy-absorption box structure chart two of the present invention；
1. 2. energy-absorption box of crossbeam, 101. Upper rectangular section, 102. middle interconnecting piece point
103. C-shaped plate on 104. solder joint of lower part trapezoidal portions, 201. energy-absorbing box main body 202.
203. lower 204. crumples of C-shaped plate induce 205. upper mounted plate of slot, 206. side fixed plate
207. bottom plate 208.L shape connecting plates
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
The examples are only for explaining the invention, is not intended to limit the scope of the present invention..
As shown in Figs 1-4, a kind of bumper assembly, including bumper beam 1, be arranged on the inside of crossbeam both ends and and crossbeam
Connected energy-absorption box 2；
The bumper beam has aduncate radian in the axial direction, and section of beam is " B " tee section；Described
Bumper beam is through the welded molding of monolith steel plate roll-in, the rectangle part 101 including top, the coupling part 102 at middle part
With the trapezoidal portions 103 of lower part；The solder joint 104 of bumper beam is located at outer 102 axis of middle side part coupling part of bumper beam 1
At line；
The energy-absorption box 2 includes energy-absorbing box main body 201, and the energy-absorbing box main body is by upper C-shaped plate 202 and lower C-shaped plate 203
It is welded to form, parallel with 1 axial direction of crossbeam burst is provided on 201 top surface of energy-absorbing box main body, two sides and bottom surface
Contracting induction slot 204；To 2 inner recess of energy-absorption box, the crumple of the two sides lures the crumple induction slot 204 of the top and bottom
Guide groove 204 is to 2 outer projection of energy-absorption box；
Wherein, crumple induction slot 204 is strip.
Wherein, crossbeam and energy-absorbing room connecting portion are provided centrally with the support tube through crossbeam.
Wherein, upper 202 top surface of C-shaped plate and two sides are respectively arranged with upper mounted plate 205 close to 1 side of crossbeam and two sides are solid
Fixed board 206, the upper mounted plate 205 are connected with the rectangle part 101 on the top of crossbeam 1, two sides fixed plate 206 and crossbeam 1
Lower part trapezoidal portions 103 be connected；203 bottom surface of lower C-shaped plate is provided with bottom plate 207 close to crossbeam side, described
Bottom plate 207 be connected with the vertical plate of a L shape connecting plate 208, the level board of L shape connecting plate with and 1 bottom surface of crossbeam be connected.
Wherein, between upper mounted plate 205 and two sides fixed plate 206 and crossbeam 1, bottom plate 207 and L shape connecting plate 208
Between, between L shape connecting plate 208 and crossbeam 1, welded fixation.
Wherein, the radius of the radian of crossbeam 1 is between 2500mm-3000mm.
Crossbeam of the invention uses unique roll-forming and welding procedure, and section of beam is designed as B shape structure, strengthens
The crumple energy-absorbing of crossbeam, the bending of inside plasticity and anti-bending strength；The radian of crossbeam is set as 2500mm, not too large to cause
In collision process, crossbeam pushes away energy-absorption box toward both sides when rear recessed, leads to energy-absorption box bending, cannot form axial conquassation, reduces
Evil energy effect；It is provided with crumple induction slot on energy-absorption box, energy-absorption box can be guided to carry out crash compresses deformation, while reducing it and touching
Hit the impact force of initial stage；
The configuration of the present invention is simple does not lose intensity but, effectively reduces whole weight, realizes automotive light weight technology, simultaneously
Overall structure is beautiful and generous, just with installation and transportation, is conducive to promote the use of.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of bumper assembly, which is characterized in that including bumper beam, be arranged on the inside of crossbeam both ends and be connected with crossbeam
Energy-absorption box；
The bumper beam has aduncate radian in the axial direction, and section of beam is " B " tee section；The insurance
Thick stick crossbeam is through the welded molding of monolith steel plate roll-in, the rectangle part including top, the coupling part at middle part and the ladder of lower part
Shape part；The solder joint of bumper beam is located at the outer middle side part coupling part central axes of bumper beam；
The energy-absorption box includes energy-absorbing box main body, and the energy-absorbing box main body is by upper C-shaped plate and lower C-shaped plate is welded forms, institute
It states and is provided with the crumple induction slot parallel with crossbeam axial direction on energy-absorption box body top face, two sides and bottom surface；The top surface
Crumple with bottom surface induces slot to energy-absorption box inner recess, and the crumple of the two sides induces slot to energy-absorption box outer projection.
2. a kind of bumper assembly as described in claim 1, which is characterized in that the crumple induction slot is strip.
3. a kind of bumper assembly as described in claim 1, which is characterized in that the crossbeam and energy-absorbing room connecting portion center
It is provided with the support tube through crossbeam.
4. a kind of bumper assembly as described in claim 1, which is characterized in that the upper C-shaped plate top surface and two sides are close
Crossbeam side is respectively arranged with upper mounted plate and two sides fixed plate, the rectangular portion split-phase on the top of the upper mounted plate and crossbeam
Even, two sides fixed plate is connected with the trapezoidal portions of the lower part of crossbeam；The lower C-shaped plate bottom surface is provided with lower solid close to crossbeam side
Fixed board, the bottom plate are connected with the vertical plate of a L shape connecting plate, the level board of L shape connecting plate with and crossbeam bottom surface phase
Even.
5. a kind of bumper assembly as shown in claim 4, which is characterized in that upper mounted plate and two sides fixed plate and crossbeam it
Between, between bottom plate and L shape connecting plate, between L shape connecting plate and crossbeam, welded fixation.
6. a kind of bumper assembly as described in claim 1, which is characterized in that the radius of the radian of the crossbeam is in 2500mm-
Between 3000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607552.3A CN109664852A (en) | 2018-12-27 | 2018-12-27 | A kind of bumper assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607552.3A CN109664852A (en) | 2018-12-27 | 2018-12-27 | A kind of bumper assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109664852A true CN109664852A (en) | 2019-04-23 |
Family
ID=66146372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811607552.3A Pending CN109664852A (en) | 2018-12-27 | 2018-12-27 | A kind of bumper assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109664852A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201040514Y (en) * | 2007-06-01 | 2008-03-26 | 奇瑞汽车有限公司 | Crash-proof energy-absorbing device for automobile |
| CN201613871U (en) * | 2009-12-18 | 2010-10-27 | 奇瑞汽车股份有限公司 | Front bumper beam assembly structure for passenger car |
| CN201721413U (en) * | 2010-06-02 | 2011-01-26 | 奇瑞汽车股份有限公司 | Anti-impact crossbeam assembly of rear automotive bumper |
| CN202294637U (en) * | 2011-11-14 | 2012-07-04 | 韩华综化(北京)塑料有限公司 | Rear bumper beam for CHB011 |
| CN104985348A (en) * | 2015-07-22 | 2015-10-21 | 丹阳荣嘉精密机械有限公司 | Double-station robotic welding system for upper vehicle chassis bearing beam |
| CN204845815U (en) * | 2015-07-31 | 2015-12-09 | 重庆长安汽车股份有限公司 | Aluminum alloy anticollision beam assembly |
-
2018
- 2018-12-27 CN CN201811607552.3A patent/CN109664852A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201040514Y (en) * | 2007-06-01 | 2008-03-26 | 奇瑞汽车有限公司 | Crash-proof energy-absorbing device for automobile |
| CN201613871U (en) * | 2009-12-18 | 2010-10-27 | 奇瑞汽车股份有限公司 | Front bumper beam assembly structure for passenger car |
| CN201721413U (en) * | 2010-06-02 | 2011-01-26 | 奇瑞汽车股份有限公司 | Anti-impact crossbeam assembly of rear automotive bumper |
| CN202294637U (en) * | 2011-11-14 | 2012-07-04 | 韩华综化(北京)塑料有限公司 | Rear bumper beam for CHB011 |
| CN104985348A (en) * | 2015-07-22 | 2015-10-21 | 丹阳荣嘉精密机械有限公司 | Double-station robotic welding system for upper vehicle chassis bearing beam |
| CN204845815U (en) * | 2015-07-31 | 2015-12-09 | 重庆长安汽车股份有限公司 | Aluminum alloy anticollision beam assembly |
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