CN206187110U - Car front longitudinal assembly energy -absorbing sound -insulating structure - Google Patents
Car front longitudinal assembly energy -absorbing sound -insulating structure Download PDFInfo
- Publication number
- CN206187110U CN206187110U CN201621218713.6U CN201621218713U CN206187110U CN 206187110 U CN206187110 U CN 206187110U CN 201621218713 U CN201621218713 U CN 201621218713U CN 206187110 U CN206187110 U CN 206187110U
- Authority
- CN
- China
- Prior art keywords
- front longitudinal
- rear portion
- energy
- insulating structure
- absorbing
- 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
Links
Abstract
The utility model relates to a car automobile body spare parts structure technical field of system specifically is a car front longitudinal assembly energy -absorbing sound -insulating structure, including the front longitudinal, its characterized in that: the front longitudinal falls into anterior, rear portion, anterior and rear portion welding is connected, the front portion is the not high strength steel board of uniform thickness, intensity difference with the rear portion, the front portion is equipped with the energy -absorbing muscle, and the rear portion is equipped with the back baffle, installation inflation strip on the back baffle. The utility model discloses an integrative stamping forming of laser welding high -strength plate, anterior rear portion thickness varies, the convenient and material saving of preparation, the utility model discloses inside is established the back baffle and is supported, and the quality is light, and intensity is high, and the energy -absorbing is good, and at utmost protection passenger cabin does not take place to be out of shape, the utility model discloses being equipped with inflation strip on the back baffle at rear portion, through painting shop high -temperature operation foaming back volume grow, sealing the pore structure of back baffle, two chambeies around dividing into the front longitudinal can reduce the noise that the engine vibrations produced.
Description
Technical field
The utility model belongs to car body system parts technical field of structures, specifically automobile front longitudinal beam assembly energy-absorbing
Sound-insulating structure.
Background technology
Automobile front longitudinal beam be body structure basic load bearing unit and structure in absorb collision energy key member, its work
It is topmost absorption cell in 100% front rigid collision, the quality of energy-absorbing effect directly determines crew module when colliding
Deformation size.In car and the front deck of SUV cars, in order to arrange power assembly, often in front longitudinal stage casing, subtract to some extent
The section of few longeron, after body construction so design, front longitudinal energy absorption is unfavorable for when colliding, and influences touching for vehicle
Hit security performance；Meanwhile, if the noise that engine vibration is produced is not provided with muffling device, influence whether that the sense organ of driver and conductor relaxes
Suitable, the NHV performances of vehicle are not good.In the prior art, in order to ensure central collision performance, front longitudinal is often using heavier, thicker
Overall homogeneous high-strength steel sheet, the use of this steel plate can increase the weight of vehicle body, and energy-absorbing effect is not good；Also what is had is preceding vertical
Beam subsection setup and thickness difference, but sound insulation value is not mentioned.
The patent of Publication No. CN 102390434A discloses a kind of front longitudinal beam structure of automobile, and wherein front longitudinal includes four
Segment structure, each section is made of thin-wall metal, alloy or composite：First paragraph is longeron most leading portion, longeron during for collision
The region for deforming at first；Second segment is non-deforming region；3rd section is intensity variable region, deformable during collision；4th
Section is non-deforming region, each section of longeron laser assembly solder connect or by the overlap overlap joint of mutual material and spot welding by way of connect
As an entirety.Whole longeron body is in hollow tubular structures, and each section of thickness has difference, and each section becomes according to stress when colliding
The intensity of shape is filled with different reduction or reinforcement materials, is a kind of self adaptation front rail structure.
The content of the invention
It is total that the purpose of this utility model is to provide a kind of simple structure, lightweight, energy-absorbing and the good automobile front longitudinal beam of sound insulation
Into energy-absorbing sound-insulating structure.
To achieve the above object, the technical solution adopted in the utility model is：A kind of automobile front longitudinal beam assembly energy-absorbing sound insulation
Structure, including front longitudinal, the front longitudinal include front and rear, described anterior and described rear portion welding connection, the front portion
Do not waited with the thickness at the rear portion and intensity is different；The anterior front end sets energy-absorbing muscle, after the rear end at the rear portion is set
Dividing plate, is equipped with Expandable strip on the rear bulkhead.
The utility model 1) using not waiting shaping of thick laser assembly solder high-strength plate integrated punching, it is easy to make, material-saving, preceding
Two parts high-strength plate prominent function afterwards；2) the stamping forming rear bulkhead of high-strength material, support reinforcing front longitudinal inner are used
Chamber, light weight, simple structure protects crew module not deform；Using energy-absorbing muscle, can at utmost energy absorption；3) after every
Expandable strip is installed on plate, is foamed by paint shop's high temperature, front longitudinal is divided into two cavitys, reduce engine vibration band
The noise for coming, with good sound insulation and noise reduction effect.
Further, dividing plate before the front end at the rear portion is set.
Further, the section of the preceding dividing plate is " work " font.Preceding dividing plate uses high-strength material punch forming, plays
Support reinforcing is acted on, and prevents front longitudinal Inward deflection, and bending occurs.
Further, the rear portion adds 1 or a plurality of reinforcement.The intensity of front longitudinal can be increased, prevent bending from deforming.
Further, the section of the rear bulkhead is " C " font.Rear bulkhead uses high-strength material punch forming, to preceding
Longeron die cavity plays support reinforcing effect, at utmost protects crew module not deform.
Further, the rear bulkhead is loose structure.The loose structure of rear bulkhead is easily installed Expandable strip, initially installs
When, Expandable strip is also unexpanded, small volume, easily assembling.
Further, the Expandable strip is connected in rear bulkhead, and the Expandable strip was passing through paint shop's high temperature work
Volume increase after industry, sealing porous structure, independent cavity before and after being formed.During by paint shop's high-temperature operation, after being arranged on
Expandable strip on dividing plate can foam, and volume increases 4-9 times after foaming, fill the loose structure of rear bulkhead, while sealing rear bulkhead
On hole, make front longitudinal with rear bulkhead as boundary, be divided into two independent sealed cavitys, that reduces that engine vibration produces makes an uproar
Sound.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural assembly front view of Fig. 1.
Fig. 3 is vehicle body position view where the utility model.
Fig. 4 is Expandable strip structural representation before foaming.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, is easy to more clearly understand the utility model,
But the utility model is not limited to following specific embodiments.
As shown in figure 1, automobile front longitudinal beam assembly energy-absorbing sound-insulating structure, including front longitudinal 3-2, front longitudinal 3-2 use laser
Welding high-strength plate integrated punching is molded, and front longitudinal 3-2 is divided into anterior 1 and rear portion 2；Front portion 1 and the welding of rear portion 2 connection, anterior 1 He
The thickness at rear portion 2 is not waited and intensity is different；Anterior 1 is provided with energy-absorbing muscle 1-1；The front end at rear portion 2 sets preceding dividing plate 2-3, rear portion 2
It is two structural reinforcement members that rear end sets rear bulkhead 2-1, preceding dividing plate 2-3 and rear bulkhead 2-1, is prevented in front longitudinal 3-2 collision rifts
Concave change shape, bends, and protects member cabin not deformed to greatest extent, it is ensured that the safety of occupant；Rear bulkhead 2-1 is provided with swollen
Swollen bar 2-2.
In such scheme, with reference to shown in Fig. 2, the front longitudinal 3-2 using forward and backward two kinds of thickness not wait and intensity is different
Integrated high strength steel plate is welded, and is laser assembly solder line 1-2 between two high strength steel plates.Described anterior 1 is longitudinally arranged energy-absorbing muscle
1-1；The section of the preceding dividing plate 2-3 of welding is " work " font in the rear portion 2；Reinforcement 2-4 is equipped with the rear portion 2, after
The section of the rear bulkhead 2-1 in portion 2 is " C " font；Expandable strip 2-2 is installed on rear bulkhead 2-1 simultaneously.At front longitudinal 3-2 rear portions 2
Central cavity adds 4 reinforcement 2-4, can increase the intensity of front longitudinal 3-2, prevents bending from deforming.
More specifically one embodiment of such scheme is as follows：As shown in figure 3, body structure is front anti-collision beam 3-1,
Front longitudinal 3-2 anterior 1 is connected with front anti-collision beam 3-1, and front longitudinal 3-2 rear portions 2 are connected with vehicle body driving cabin 3-3, and front longitudinal 3-2 exists
Energy-absorbing function is played between collision prevention girders 3-1 and driving cabin 3-3, driving cabin 3-3 is protected during collision.Front longitudinal 3-2 drives in the left and right sides
Sailing between cabin 3-3 and collision prevention girders 3-1 has setting.As shown in Fig. 2 it is the DP590 high strength steels of 1.8mm that front portion 1 uses thickness
Plate, this kind of Tensile strength is 600~700MPa, relatively mild, as the extension of preceding guarantor's energy absorber, can be with complete in central collision
Full crumple, absorbs remaining central collision energy to greatest extent, intercepts energy and transmits backward.It is 2.0mm's that rear portion 2 uses thickness
DP780 high-strength steel sheets, this kind of Tensile strength is 800~900MPa, it is ensured that the good load of vehicle body, is made as far as possible
There is no bending deformation in collision in front longitudinal 3-2, protect the safety of passenger.Front longitudinal 3-2 coupling parts are into " bow " font.Before
Portion 1 and rear portion 2, using not uniform thickness integrated laser welding high-strength plate, 1-2 is laser assembly solder line, and this kind of structure design has height
Intensity, energy absorption capacity high and body lightening can be realized, save material.Using the front and rear two sections steel plates of not equal thickness, on the one hand
Material is saved, another aspect function emphasizes particularly on different fields.Energy-absorbing muscle 1-1 is longitudinally arranged inside anterior 1 die cavity, certain suction is played
Can effect.It is welded with preceding dividing plate 2-3 in the front cavity at rear portion 2, preceding dividing plate 2-3 uses high-strength material punch forming, can be with
Support reinforcing effect is played, front longitudinal 3-2 Inward deflections are prevented, bending occurs.Welding rear bulkhead 2- in the rear portion die cavity at rear portion 2
1, rear bulkhead 2-1 use high-strength material punch forming, can play good support reinforcing effect, prevent in front longitudinal 3-2
, there is bending in concave change shape；The die cavity of formation can play certain cushioning effect.As shown in figure 4, clamping is equipped with rear bulkhead 2-1
The unexpanded front volume very little of Expandable strip 2-2, Expandable strip 2-2；Volume increases 4-9 times, closing rear bulkhead 2- after Expandable strip 2-2 foaming
1 pore space structure, two independent cavitys are divided into by front longitudinal 3-2, carry out air barrier, are reduced engine vibration and are brought
Noise, improve crew module sound insulation value.
Above-described specific embodiment is only schematical, and one of ordinary skill in the art is in the utility model
Under the enlightenment of automobile front longitudinal beam assembly energy-absorbing sound-insulating structure, the utility model objective and claimed model are not being departed from
In enclosing, many forms can be also derived, these are within protection domain of the present utility model.
Claims (7)
1. a kind of automobile front longitudinal beam assembly energy-absorbing sound-insulating structure, including front longitudinal (3-2), it is characterised in that：Front longitudinal (the 3-
2) including anterior (1) and rear portion (2), described front portion (1) and the rear portion (2) welding is connected, anterior (1) and the rear portion
(2) thickness is not waited and intensity is different；The front end of the front portion (1) sets energy-absorbing muscle (1-1), and the rear end of the rear portion (2) sets
Dividing plate (2-1) is postponed, Expandable strip (2-2) is housed on the rear bulkhead (2-1).
2. automobile front longitudinal beam assembly energy-absorbing sound-insulating structure according to claim 1, it is characterised in that：The rear portion (2)
Front end sets preceding dividing plate (2-3).
3. automobile front longitudinal beam assembly energy-absorbing sound-insulating structure according to claim 2, it is characterised in that：Preceding dividing plate (the 2-
3) section is " work " font.
4. the automobile front longitudinal beam assembly energy-absorbing sound-insulating structure according to claim 1 or claim 2, it is characterised in that：Institute
State rear portion (2) and add 1 or a plurality of reinforcement (2-4).
5. automobile front longitudinal beam assembly energy-absorbing sound-insulating structure according to claim 1, it is characterised in that：Rear bulkhead (the 2-
1) section is " C " font.
6. automobile front longitudinal beam assembly energy-absorbing sound-insulating structure according to claim 1 or 5, it is characterised in that：The rear bulkhead
(2-1) is loose structure.
7. automobile front longitudinal beam assembly energy-absorbing sound-insulating structure according to claim 1, it is characterised in that：Expandable strip (the 2-
2) it is connected in rear bulkhead (2-1), the Expandable strip (2-2) is in the volume increase after crossing paint shop's high-temperature operation, sealing
Loose structure, independent cavity before and after being formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218713.6U CN206187110U (en) | 2016-11-11 | 2016-11-11 | Car front longitudinal assembly energy -absorbing sound -insulating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218713.6U CN206187110U (en) | 2016-11-11 | 2016-11-11 | Car front longitudinal assembly energy -absorbing sound -insulating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206187110U true CN206187110U (en) | 2017-05-24 |
Family
ID=58735427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621218713.6U Active CN206187110U (en) | 2016-11-11 | 2016-11-11 | Car front longitudinal assembly energy -absorbing sound -insulating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206187110U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107600186A (en) * | 2017-09-20 | 2018-01-19 | 江苏大学 | A kind of automobile Varying-thickness front longitudinal girder inner plate structure for meeting customizing functions requirement |
| CN113507992A (en) * | 2019-03-06 | 2021-10-15 | 日本制铁株式会社 | Vehicle body structure |
| CN114802446A (en) * | 2021-01-19 | 2022-07-29 | 宝山钢铁股份有限公司 | Differential-strength-difference thick hot-stamped automobile front longitudinal beam and preparation method and die thereof |
-
2016
- 2016-11-11 CN CN201621218713.6U patent/CN206187110U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107600186A (en) * | 2017-09-20 | 2018-01-19 | 江苏大学 | A kind of automobile Varying-thickness front longitudinal girder inner plate structure for meeting customizing functions requirement |
| CN113507992A (en) * | 2019-03-06 | 2021-10-15 | 日本制铁株式会社 | Vehicle body structure |
| CN113507992B (en) * | 2019-03-06 | 2023-03-10 | 日本制铁株式会社 | Vehicle body structure |
| CN114802446A (en) * | 2021-01-19 | 2022-07-29 | 宝山钢铁股份有限公司 | Differential-strength-difference thick hot-stamped automobile front longitudinal beam and preparation method and die thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10232891B2 (en) | Vehicle body structure | |
| WO2016148057A1 (en) | Vehicle body structure | |
| CN205273623U (en) | Preceding cabin frame assembly | |
| KR100929527B1 (en) | Front side member assembly | |
| CN110356474B (en) | Vehicle front structure | |
| CN206187110U (en) | Car front longitudinal assembly energy -absorbing sound -insulating structure | |
| CN203739992U (en) | Front longitudinal girder rear structure for automobile | |
| CN201391207Y (en) | Anticollision rod for automobile door and automobile door with anticollision rod | |
| KR102019219B1 (en) | Vehicle rear structure | |
| CN109229042A (en) | A kind of automobile buffer beam | |
| CN202911804U (en) | Body-in-while front longitudinal beam strengthening structure | |
| CN110282017B (en) | Front cabin structure of vehicle body | |
| CN205524489U (en) | Vehicle roof side rail and have cabin assembly of this roof side rail | |
| CN101863287B (en) | Longitudinal beam structure | |
| JP4015896B2 (en) | Car body structural materials and anti-collision reinforcement | |
| KR100929528B1 (en) | Front side member assembly | |
| CN105383562A (en) | Longitudinal beam assembly of front cabin of vehicle | |
| CN210000409U (en) | Force transmission structure, automobile body framework and automobile | |
| CN111762265A (en) | Force transmission structure, automobile body framework and automobile | |
| CN207809523U (en) | A kind of groined type car body rolling protective device | |
| CN207644329U (en) | A kind of automobile collision preventing girder construction and automobile | |
| CN205440240U (en) | Frame with energy -absorbing structure | |
| CN208134276U (en) | A kind of anti-collision beam structure of car and car door | |
| CN205524082U (en) | Detachable electric automobile anticollision roof beam | |
| CN220349801U (en) | Cabin assembly and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |