CN102745248A - Strengthening beam structure for automobile front wall - Google Patents
Strengthening beam structure for automobile front wall Download PDFInfo
- Publication number
- CN102745248A CN102745248A CN2012100290077A CN201210029007A CN102745248A CN 102745248 A CN102745248 A CN 102745248A CN 2012100290077 A CN2012100290077 A CN 2012100290077A CN 201210029007 A CN201210029007 A CN 201210029007A CN 102745248 A CN102745248 A CN 102745248A
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- supporting section
- crossbeam
- enclose
- dash shield
- beam structure
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Abstract
The invention relates to an automobile strengthening beam. The strengthening beam structure for an automobile front wall comprises a cross beam which is in a tubular structure and comprises a left supporting section, a front wall supporting section and a right supporting section, wherein the three sections are connected in a U shape, the left supporting section is detachably connected onto a left panel of the automobile, the right supporting section is detachably connected onto a right panel of the automobile, and the front wall supporting section is detachably connected onto a front panel of the automobile. The strengthening beam structure for the automobile front wall is high in strength, convenient to mount and dismantle, and solves the problems of poor strength and inconvenient mounting and dismounting of the existing front panel strengthening beam structure for strengthening the front panel.
Description
Technical field
The present invention relates to automobile reinforcing beam, enclose the strength beam structure before relating in particular to a kind of automobile.
Background technology
Universal day by day along with automobile, the traffic safety of automobile is paid attention to further, and in the passive security process, the crew module must the primary safety that guarantees the passenger as the main body of safety precaution.Body dash board (claiming fireproof brickwork again) must guarantee enough intensity as personnel's barrier in the protection driving compartment, moves after enclosing before preventing to take place in the collision process, even invades personnel's injury that driving compartment caused.
The crossbeam that encloses before the existing automobile in the strength beam structure all is the beam of cross-sectional plane for " U " or " L " shape, and crossbeam is fixed together with dash shield through the mode of welding, thereby between crossbeam is with dash shield, forms the structure of a section closure.
Number be 2005100687039 at Chinese patent, the open date for, November 9 in 2005 day, be called and disclose a kind of strength beam structure that plays booster action of enclosing the bottom before being installed in automobile in the patent documentation of " car body floor structure ".The crossbeam of the strength beam structure in this patent such as above-mentioned said: transversal for cross-sectional plane is the beam of " U " shape, the mode through welding is fixed together with dash shield and forms the structure of a section closure.
Be 101844584A in the Chinese patent publication No., open day be to enclose bottom strength beam structure before patent documentation that September 29 in 2010, day, were called " the generation front end that is used for automobile " also discloses a kind of automobile.Enclose bottom strength beam structure before the automobile that is adopted in this patent also as above-mentioned said: beam design is that cross-sectional plane is the beam of " U " shape, and being fixed together with dash shield through the mode of welding forms the version of a section closure.In order to improve intensity, in the structure of the section closure that crossbeam and dash shield surrounded, be provided with reinforcement.
Number be 2005200104223 at Chinese patent, Granted publication day be December 6 in 2006 day, be called in the patent documentation of " a kind of car dash shield crossbeam welding assembly structure " and disclose a kind of crossbeam that is used to strengthen dash shield.This crossbeam is also as above-mentioned said: crossbeam is that cross-sectional plane is the beam of " U " shape, connects with dash shield with the mode of welding.
Chinese patent Granted publication number for 201961389U, Granted publication day be March 25 in 2011 day, be called in the patent documentation of " automobile dash shield additional strengthening " and disclose a kind of crossbeam that is used to strengthen dash shield.This crossbeam is also as above-mentioned said: crossbeam is that cross-sectional plane is the beam of " U " shape, and connects with dash shield with the mode of welding.
Number be 2009201418870 at Chinese patent, Granted publication day be December 9 in 2009 day, be called in the patent documentation of " connection structure of little car front cross rail assembly and dash shield welding assembly " and disclose a kind of crossbeam that is used to strengthen dash shield.This crossbeam is also as above-mentioned said: crossbeam is that cross-sectional plane is the beam of " L " font, connects with dash shield with the mode of welding.
Enclosing the strength beam structure before the existing automobile exists following not enough: intensity difference; Through the welding mode be fixed together with dash shield after; Can not take off from dash shield; Bring great inconvenience for follow-up vehicle maintenance, dash shield and crossbeam can only be changed together, and maintenance cost is high, inconvenient and need the personnel of meeting electric welding field to accomplish when crossbeam is installed.
Summary of the invention
Enclose the strength beam structure before the invention provides the automobile of the good easy installation and removal of a kind of intensity, solved the existing dash shield strength beam structure that is used to strengthen dash shield the problem of ubiquitous intensity difference, installing/dismounting inconvenience.
Above technical matters solves through following technical proposal: enclose the strength beam structure before a kind of automobile; Comprise crossbeam; Said crossbeam is a tubular structure; Said crossbeam comprises left side supporting section, preceding supporting section and the right side supporting section of enclosing, and the left side supporting section, precedingly encloses supporting section and right side supporting section three and is " U " shape and links together, and said left side supporting section is detachably connected on the coaming plate of car body left side; Said right side supporting section is detachably connected on the coaming plate of right side, encloses supporting section before said to be detachably connected on the dash shield.Crossbeam is a tubular structure; Crossbeam is difficult for flexural deformation when being collided; Under the identical situation of wall thickness, tubular cross bearer than cross-sectional plane be opening as the beam of " U " shape intensity higher, beam design is connected on the left and right sides coaming plate for being " U " shape and two ends; Crossbeam can all support the whole dash shield two ends that laterally reach of dash shield to the part that the car body rear side extends, and driving compartment all is difficult for inwardly shrinking and the extruding occupant when just brushing up against side impact; Crossbeam with between left and right sides coaming plate and the dash shield all for removably connecting, convenient during the installing/dismounting crossbeam, be follow-up providing convenience property of handling labor, maintenance cost can be changed, reduced to crossbeam and dash shield separately.
The present invention also comprises two gusset plate connectors; Said each gusset plate connector is provided with upper wall, inwall and lower wall successively; Said upper wall, inwall and lower wall three are " U " font and link together; In said two gusset plate connectors one is sheathed and be welded on the supporting section of said left side, and another in said two gusset plate connectors is sheathed and be welded on the supporting section of said right side, and said two gusset plate connectors are threaded in respectively on left side coaming plate and the right side coaming plate.During assembling, at the two ends of crossbeam welding upside coaming plate connector, the two ends that will be welded with the crossbeam of gusset plate connector then are connected on left side coaming plate and the right side coaming plate through the gusset plate connector earlier.The gusset plate connector with the preferred mode that the left and right sides coaming plate is threaded is: on the inner surface of gusset plate (general designation of left side coaming plate and right side coaming plate) prefabricated nut, on the dash shield connector, begin mounting hole, pass mounting hole through screw then after attaching nut connect.
As preferably, all be provided with the side impact energy-absorbing groove on said upper wall and the lower wall.When vehicle generation side impact, energy-absorbing groove ability absorbing impact energy reduces being delivered to the energy on the crossbeam, and crossbeam is difficult for producing laterally shortening, and the occupant in the driving compartment is not vulnerable to lateral compression.
The present invention also comprises two dash shield connectors; Before comprising, said each dash shield connector encloses lap plate and crossbeam stay bearing plate; Enclosing lap plate before said is threaded on the dash shield; Said crossbeam stay bearing plate is provided with bracket, and said bracket is fitted and is welded on and encloses on the supporting section before said, and said two dash shield connectors are positioned at the two ends of enclosing supporting section before said.During assembling, will before enclose earlier and enclose on the supporting section before connector is welded on, and then the dash shield connector will be threaded onto on the dash shield.The dash shield connector with the preferred mode that dash shield is threaded is: enclose at prefabricated nut on the dash shield, preceding and begin mounting hole on the lap plate, pass mounting hole through screw then after attaching nut connect.Convenient but also the dash shield connector is supported on the dash shield more reposefully when enclosing lap plate before being provided with and not only connecting.Bracket is set, makes the surface energy of crossbeam be fitted on the crossbeam stay bearing plate, the stationarity when improving the two connection.
As preferably, the two ends up and down of enclosing lap plate before said are fitted on the dash shield, enclose before said to form central collision energy-absorbing chamber between lap plate and the dash shield.When vehicle produced central collision, elastic deformation was played and the effect of energy-absorbing in central collision energy-absorbing chamber, and the collision energy that passes to driving compartment is few, be difficult for causing dash shield after move the vertical indent distortion with crossbeam along car body, the occupant in the driving compartment is not vulnerable to forward extrusion.
The present invention also comprises the crossbeam suspension body; Said crossbeam suspension body encloses between the connector before said two; The upper end of said crossbeam suspension body is threaded in together with dash shield; The lower end of said crossbeam suspension body is with enclosing the supporting section weld together before said, the two is positioned at the both sides of enclosing supporting section before said said crossbeam suspension body and dash shield, encloses supporting section with being provided with dash clearance between the dash shield before said.The beneficial effect that dash clearance is set is: when vehicle produces central collision; There is the elastic deformation space in dash shield; So in the central collision process, precedingly enclose first elastic deformation absorbing impact energy, excessive when energy, when dash shield produces inelastic deformation; This moment, dash shield abutted on the crossbeam, had prevented the inelastic deformation of dash shield.Before enclose the beneficial effect of supporting section between said crossbeam suspension body and dash shield and be: enclose before making supporting section with the point of connection of dash shield connector with before enclose the both sides of enclosing supporting section before the point of connection of supporting section with the crossbeam suspension body is positioned at, enclose supporting section before the vibration that is produced in the vehicle ' is difficult for causing and come off out from dash shield.
As preferably, said crossbeam suspension body is a platy structure, and said crossbeam suspension body is provided with reinforced rib.In central collision and side impact process, reinforced rib plays the effect that improves beam strength, prevents that crossbeam is crooked towards driving compartment.
As preferably, enclose the elasticity muscle that is provided with in tension in the supporting section before said.When producing central collision, the elasticity muscle can absorb energy through elastic deformation, reduces the flexural deformation degree of crossbeam, and after impact force disappeared, the elasticity muscle released energy and produces the restorable power of crossbeam of ordering about, and helps crossbeam and restores, and the occupant is difficult for being squeezed.
As preferably, said elasticity muscle is a spring wire.The elasticity energy-absorbing effect is good.
As preferably, the two end towards car body the place ahead of said left side supporting section and right side supporting section is lower than the other end.Produce central collision and when causing beam deformation, the preceding supporting section that encloses can produce and makes dash shield be resisted against ground towards ground-surface motion to get on to resist collision, to reduce the deflection of driving compartment, protection occupant's life safety.
The present invention has following advantage, and beam design is a tubular structure, and intensity, good rigidity help occupant safety; Enclose before crossbeam is detachably connected on gusset on, easy installation and removal can be changed separately, maintenance cost is low; Beam design is connected on the left and right sides coaming plate for being " U " shape structure and two ends, and crossbeam can all support to the part that the car body rear side extends the whole dash shield two ends that laterally reach of dash shield, and driving compartment all is difficult for inwardly shrinking and the extruding occupant when just brushing up against side impact.
Description of drawings
Fig. 1 is a split view of the present invention.
Fig. 2 axially analyses and observe enlarged diagram for crossbeam.
Fig. 3 is a scheme drawing of the present invention.
Fig. 4 is a running condition scheme drawing of the present invention.
Fig. 5 is A-A schematic cross-section of Fig. 4.
Fig. 6 is the local enlarged diagram at the B place of Fig. 4.
Among the figure: crossbeam 1, left side supporting section 11, the preceding supporting section 12 that encloses, right side supporting section 13, elasticity muscle 14, movement joint 15; Gusset plate connector 2, upper wall 21, inwall 22, lower wall 23, upper wall support edge 24, lower wall support edge 25; Downside coaming plate connector mounting hole 26, side impact energy-absorbing groove 27, dash shield connector 3, the preceding lap plate 31 that encloses, crossbeam stay bearing plate 32, dash shield connector mounting hole 33; Bracket 34, crossbeam suspension body 4, catching groove 41, crossbeam suspension body mounting hole 42, reinforced rib 43; Left side coaming plate 5, right side coaming plate 6, dash shield 7, central collision energy-absorbing chamber 8, dash clearance 9.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Referring to Fig. 1, enclose the strength beam structure before a kind of automobile, comprise crossbeam 1, two gusset plate connectors 2, two dash shield connectors 3 and crossbeam suspension bodies 4.
Crossbeam 1 comprises left side supporting section 11, preceding supporting section 12 and the right side supporting section 13 of enclosing.Left side supporting section 11, precedingly enclose supporting section 12 and right side supporting section 13 threes and be " U " shape and link together.
Gusset plate connector 2 is provided with upper wall 21, inwall 22 and lower wall 23 successively.Upper wall 21, inwall 22 and lower wall 23 threes are " U " font and link together.Upper wall 21 outwards is bent to form upper wall support edge 24.Lower wall 23 outwards is bent to form lower wall support edge 25.All have downside coaming plate connector mounting hole 26 on upper wall support edge 24 and the lower wall support edge 25.All be provided with many side impact energy-absorbing grooves 27 on upper wall 21 and the lower wall 23.
Before comprising, encloses dash shield connector 3 lap plate 31 and crossbeam stay bearing plate 32.Before enclose on the two ends up and down of lap plate 31 and all be provided with dash shield connector mounting hole 33.Crossbeam stay bearing plate 32 is provided with bracket 34.
Referring to Fig. 2, crossbeam 1 is a tubular structure.In preceding enclosing supporting section 12, be provided with the elasticity muscle 14 of in tension.Elasticity muscle 14 is a spring wire.Enclose before elasticity muscle 14 is fitted on the front side wall of supporting section 12, enclose at elasticity muscle 14 and preceding between the rear wall of supporting section 12 and leave movement joint 15.The beneficial effect of this kind installation is: collision energy can in time pass to elasticity muscle 14 and elasticity muscle 14 has deformation space during central collision, encloses supporting section 12 before making and is difficult for flexural deformation.Certainly make can for material with the elastic effect of getting well such as elasticity muscle 14 usefulness poly-vinyl carbon fiber composite resins.
Referring to Fig. 3, be with each detail assembly of the present invention method together: two 2 one of gusset plate connectors be set on the free end of left side supporting section 11 and through on the free end that mode is fixed together, another is set in right side supporting section 13 of welding and the mode through welding be fixed together.
Before enclose supporting section 12 two ends be stuck in two brackets 34 on the dash shield connector 3 and the mode through welding is fixed together.
Before enclose supporting section 12 the centre be stuck in the catching groove 41 and the mode through welding is fixed together.
Referring to Fig. 4, during use, builtin-nut on the left side of automobile coaming plate 5 and right side coaming plate 6 passes gusset plate connector mounting hole 26 back attaching nuts through bolt two gusset plate connectors 2 is separately fixed on left side coaming plate 5 and the right side coaming plate 6.Upper wall support edge 24 and lower wall support edge 25 horizontal are on the gusset plate.
Builtin-nut on dash shield 7 passes dash shield connector mounting hole 33 backs through bolt and cooperates cooresponding nut that two dash shield connectors 3 are fixed on the dash shield 7.
Builtin-nut on dash shield 7 passes crossbeam suspension body mounting hole 42 backs through bolt and cooperates cooresponding nut that crossbeam suspension body 4 is fixed on the dash shield 7.
Referring to Fig. 5, the end of right side supporting section 13 towards car body the place ahead is that front end is lower than the rear end.The set-up mode of left side supporting section 11 is identical with right side supporting section 13, also is that front end is lower than the rear end.
Referring to Fig. 6, preceding two ends up and down of enclosing lap plate 31 are fitted on the dash shield.Before enclose between lap plate 31 and the dash shield 7 and to form central collision energy-absorbing chamber 8.Before enclose supporting section 12 between crossbeam suspension body 4 and dash shield 7, the preceding supporting section 12 that encloses is with there being dash clearance 9 between the dash shield 7.
Another does not have in the illustrated embodiment, the left side supporting section through latch be inserted on the coaming plate of car body left side, the right side supporting section through latch be inserted on the coaming plate of right side, the preceding supporting section that encloses is inserted in through latch and realizes on the dash shield removably connecting.
Because of the size of each parts of the present invention differs greatly, when overall dimension met the size of electronic application, the degree of knowing of widget had only this effect, please combine the CAD figure in the accompanying drawing to carry out watching of arbitrary dimension, thanks.
Claims (10)
1. enclose the strength beam structure before an automobile; Comprise crossbeam (1); It is characterized in that said crossbeam is a tubular structure, said crossbeam comprises left side supporting section (11), preceding supporting section (12) and the right side supporting section (13) of enclosing; The left side supporting section, precedingly enclose supporting section and right side supporting section three and be " U " shape and link together; Said left side supporting section is detachably connected on the coaming plate of car body left side, and said right side supporting section is detachably connected on the coaming plate of right side, encloses supporting section before said to be detachably connected on the dash shield.
2. enclose the strength beam structure before the automobile according to claim 1; It is characterized in that; Also comprise two gusset plate connectors (2); Said each gusset plate connector is provided with upper wall (21), inwall (22) and lower wall (23) successively, and said upper wall, inwall and lower wall three are " U " font and link together, and in said two gusset plate connectors one is sheathed and be welded on the said left side supporting section (11); In said two gusset plate connectors another is sheathed and be welded on the supporting section of said right side, and said two gusset plate connectors are threaded in respectively on left side coaming plate and the right side coaming plate.
3. enclose the strength beam structure before the automobile according to claim 2, it is characterized in that, all be provided with side impact energy-absorbing groove (27) on said upper wall and the lower wall.
4. according to enclosing the strength beam structure before claim 1 or the 2 or 3 described automobiles; It is characterized in that, also comprise two dash shield connectors (3), enclose lap plate (31) and crossbeam stay bearing plate (32) before said each dash shield connector comprises; Enclosing lap plate before said is threaded on the dash shield; Said crossbeam stay bearing plate is provided with bracket, and said bracket is fitted and is welded on and encloses on the supporting section before said, and said two dash shield connectors are positioned at the two ends of enclosing supporting section before said.
5. enclose the strength beam structure before the automobile according to claim 4, it is characterized in that, the two ends up and down of enclosing lap plate before said are fitted on the dash shield, enclose before said to form central collision energy-absorbing chamber between lap plate and the dash shield.
6. enclose the strength beam structure before the automobile according to claim 4; It is characterized in that also comprise crossbeam suspension body (4), said crossbeam suspension body encloses between the connector before said two; The upper end of said crossbeam suspension body is threaded in together with dash shield; The lower end of said crossbeam suspension body is with enclosing the supporting section weld together before said, the two is positioned at the both sides of enclosing supporting section before said said crossbeam suspension body and dash shield, encloses supporting section with being provided with dash clearance between the dash shield before said.
7. enclose the strength beam structure before the automobile according to claim 6, it is characterized in that, said crossbeam suspension body is a platy structure, and said crossbeam suspension body is provided with reinforced rib.
8. according to enclosing the strength beam structure before claim 1 or the 2 or 3 described automobiles, it is characterized in that, enclose the elasticity muscle that is provided with in tension in the supporting section before said.
9. enclose the strength beam structure before the automobile according to claim 8, it is characterized in that, said elasticity muscle is a spring wire.
10. according to enclosing the strength beam structure before claim 1 or the 2 or 3 described automobiles, it is characterized in that the two end towards car body the place ahead of said left side supporting section and right side supporting section is lower than the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210029007.7A CN102745248B (en) | 2012-02-10 | 2012-02-10 | Strengthening beam structure for automobile front wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210029007.7A CN102745248B (en) | 2012-02-10 | 2012-02-10 | Strengthening beam structure for automobile front wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102745248A true CN102745248A (en) | 2012-10-24 |
| CN102745248B CN102745248B (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210029007.7A Active CN102745248B (en) | 2012-02-10 | 2012-02-10 | Strengthening beam structure for automobile front wall |
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| Country | Link |
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| CN (1) | CN102745248B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108860335A (en) * | 2018-07-31 | 2018-11-23 | 苏州江南航天机电工业有限公司 | The hoisting structure in van compartment |
| CN112061242A (en) * | 2020-09-15 | 2020-12-11 | 新程汽车工业有限公司 | Reinforcing plate for high-strength vehicle body structure and processing method thereof |
| CN114426020A (en) * | 2022-03-02 | 2022-05-03 | 江苏理工学院 | Automobile anti-collision early warning and automatic control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002145124A (en) * | 2000-11-06 | 2002-05-22 | Mazda Motor Corp | Lower body structure of vehicle |
| CN100360365C (en) * | 2003-12-15 | 2008-01-09 | 三菱自动车工业株式会社 | Vehicle body structure |
| CN101360634A (en) * | 2006-01-27 | 2009-02-04 | 福罗西内空间体系有限公司 | Energy-absorption element, device for protecting against an impact, motor vehicle inner pannelling component and crossmember |
| CN201296297Y (en) * | 2008-10-21 | 2009-08-26 | 比亚迪股份有限公司 | Front panel strengthening structure and front panel assembly of vehicle body |
-
2012
- 2012-02-10 CN CN201210029007.7A patent/CN102745248B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002145124A (en) * | 2000-11-06 | 2002-05-22 | Mazda Motor Corp | Lower body structure of vehicle |
| CN100360365C (en) * | 2003-12-15 | 2008-01-09 | 三菱自动车工业株式会社 | Vehicle body structure |
| CN101360634A (en) * | 2006-01-27 | 2009-02-04 | 福罗西内空间体系有限公司 | Energy-absorption element, device for protecting against an impact, motor vehicle inner pannelling component and crossmember |
| CN201296297Y (en) * | 2008-10-21 | 2009-08-26 | 比亚迪股份有限公司 | Front panel strengthening structure and front panel assembly of vehicle body |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108860335A (en) * | 2018-07-31 | 2018-11-23 | 苏州江南航天机电工业有限公司 | The hoisting structure in van compartment |
| CN112061242A (en) * | 2020-09-15 | 2020-12-11 | 新程汽车工业有限公司 | Reinforcing plate for high-strength vehicle body structure and processing method thereof |
| CN114426020A (en) * | 2022-03-02 | 2022-05-03 | 江苏理工学院 | Automobile anti-collision early warning and automatic control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102745248B (en) | 2014-04-16 |
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