CN110466615A - A kind of center body pillar lower part stiffener assembly - Google Patents
A kind of center body pillar lower part stiffener assembly Download PDFInfo
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- CN110466615A CN110466615A CN201810446015.9A CN201810446015A CN110466615A CN 110466615 A CN110466615 A CN 110466615A CN 201810446015 A CN201810446015 A CN 201810446015A CN 110466615 A CN110466615 A CN 110466615A
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- 239000003351 stiffener Substances 0.000 title claims abstract description 42
- 230000002787 reinforcement Effects 0.000 claims abstract description 50
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 46
- 239000003292 glue Substances 0.000 claims description 19
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 238000007654 immersion Methods 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 description 15
- 239000006185 dispersion Substances 0.000 description 13
- 230000035882 stress Effects 0.000 description 12
- 239000010410 layer Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000036244 malformation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000116 mitigating effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
Abstract
The present invention discloses a kind of center body pillar lower part stiffener assembly, including B column ontology and threshold ontology, B column ontology includes B column inner panel and B column reinforcement plate, B column reinforcement plate, which longitudinally extends, to be fixed in front of B column inner panel, threshold ontology includes threshold outside plate and threshold internal plate, B column inner panel lower end, which extends vertically, to be fixed between threshold outside plate and threshold internal plate, B column reinforcement plate lower end, which extends vertically, is fixed to middle and lower part on front side of threshold outside plate, threshold external reinforcing plate for car is fixed between on rear side of threshold outside plate and on front side of B column inner panel, side wall outer panel of automobile body is fixed in front of B column reinforcement plate and threshold outside plate, two sides are horizontal respectively up and down on rear side of threshold internal plate is equipped with seat beam and preceding floor body, seat beam and preceding floor body are arranged in parallel.A kind of center body pillar lower part of the invention stiffener assembly makes B column ontology be able to bear enough impact forces when by side collision, and there is enough intensity will not send threshold overturning when guaranteeing collision and cause B column immersion amount is excessive side is caused to deform.
Description
Technical field
The present invention relates to a kind of center body pillar stiffener assemblies, more particularly to a kind of vehicle body for reinforcing B column lower part bonding strength
B column lower part stiffener assembly.
Background technique
Automobile body B rod structure plays a key effect to body torsional rigdity and safety collision, especially Side-impact safety
Play the role of decision, influences body distortion in vehicle body twisting conditions B-pillar structure, in head-on crash, biasing is touched, side is touched
It hits and plays the role of rationally absorbing collision energy, protect occupant safety.There are the following problems for traditional B-pillar structure:
1. as shown in Figures 1 to 4, traditional B-pillar structure lower end includes B column inner panel 1 ', 2 ' threshold internal plate 3 ' of threshold outside plate
Side-wall outer-plate 4 ', seat beam 5 ', preceding floor body 6 ' and B column reinforcement plate 7 ', side-wall outer-plate 4 ' are fixed on B column reinforcement plate 7 '
And 2 ' side-wall outer-plate of threshold outside plate, 4 ' outside, B column inner panel 1 ' are fixed on 7 ' inside of B column reinforcement plate, 3 ' rear side of threshold internal plate is set
There is seat beam 5 ', seat beam 5 ' is equipped with preceding floor body 6 ' in parallel, and the parallel of seat beam 5 ' to preceding floor body 6 ' is cut
Face height only has 30mm, increases the immersion amount of B column B column, easily causes occupant injury.1 ' lower end of B column inner panel (figure at dotted line
Shown in 1), 2 ' outside of threshold outside plate is fixed on the inside of threshold between 3 ', B column inner panel 1 ' and threshold outside plate 2 ' there are areas of disconnection,
It is unreasonable to load stress transmitting, although B column lower end can be set threshold stiffening plate, occurs when side collision or often
Threshold overturning causes B column immersion amount is excessive to cause personal injury big.
2. as shown in Figures 5 to 7, traditional 7 ' upside of B column reinforcement plate is extended B column hinge stiffening plate 8 ', and traditional
B-pillar structure in order to reinforce B column root intensity can B column hinge stiffening plate 8 ' design it is integrated, and B column hinge
The design of chain stiffening plate 8 ' extends to 7 ' root of B column reinforcement plate, although this structure can improve B-pillar structure root intensity, by
It is crucial protection zone in B-pillar structure upper end and middle upper end, B-pillar structure will reduce deformation as far as possible, so side collision energy
It absorbs and is mainly absorbed by lower end deformation in B column, but the B column hinge stiffening plate 8 ' of this integral type is whole to be reinforced through B column
7 ' upside of plate, lower end can not absorb collision energy targetedly in B-pillar structure.To solve the above problems, traditional structure B
Column reinforcement plate uses thin thickness soft material in deformation energy-absorbing region, is mainly pacifying using not equal thickness plate laser assembly solder technology
Full guard region uses thickness thickness high-strength steel material, and this technology cost of manufacture and Material Cost are high.
Summary of the invention
The present invention is completed to solve in the prior art insufficient, and the object of the present invention is to provide one kind to make B column
Ontology is able to bear enough impact forces when by side collision, and there is enough intensity will not send threshold when guaranteeing collision
Overturning causes B column immersion to measure the excessive center body pillar lower part stiffener assembly for causing side to deform.
A kind of center body pillar lower part stiffener assembly of the invention, including B column ontology and threshold ontology, the threshold ontology are horizontal
To the B column ontology lower end is fixed on, the B column ontology includes B column inner panel and B column reinforcement plate, and the B column reinforcement plate longitudinally prolongs
It stretches and is fixed in front of the B column inner panel, the threshold ontology includes threshold outside plate and threshold internal plate, and the threshold outside plate laterally prolongs
It stretches and is fixed in front of the threshold internal plate, the B column inner panel lower end, which extends vertically, is fixed to the threshold outside plate and the threshold
Between inner panel, B column reinforcement plate lower end, which extends vertically, is fixed to middle and lower part on front side of the threshold outside plate, the threshold outside plate
It is fixed with threshold external reinforcing plate for car between on front side of rear side and the B column inner panel, side wall outer panel of automobile body is fixed on the B column reinforcement plate
Two sides are horizontal respectively up and down in front of the threshold outside plate, on rear side of the threshold internal plate is equipped with seat beam and preceding floor body,
The seat beam and the preceding floor body are arranged in parallel.
A kind of center body pillar lower part stiffener assembly of the invention may also is that
Threshold external reinforcing plate for car horizontal cross-section is in " several " font, threshold external reinforcing plate for car front side left and right ends difference
It fixes on rear side of threshold outside plate, is fixedly connected on front side of the first level wall and B column inner panel on rear side of the threshold external reinforcing plate for car.
It is fixedly connected between the first level wall and B column inner panel front side by structural adhesive layer.
The first level wall is equipped with the glue groove for contained structure glue-line, and the glue groove runs through from the inside of first level wall
To the first level wall, the first level wall on front side of the glue groove and B column inner panel by being fixedly connected.
Stiffening plate in threshold is fixed between on front side of the threshold internal plate and on rear side of the B column inner panel, in the threshold
Stiffening plate is located on rear side of the threshold external reinforcing plate for car, and stiffening plate horizontal cross-section is less than the level of threshold external reinforcing plate for car in the threshold
Section.
Stiffening plate horizontal cross-section is in "U" shaped in the threshold, in the threshold on front side of stiffening plate left and right ends respectively with
It is fixed on rear side of the B column inner panel, it is fixed on front side of the second horizontal wall and the threshold internal plate in the threshold on rear side of stiffening plate to connect
It connects.
Left and right ends are set between left and right ends on rear side of the corresponding B column inner panel respectively on front side of stiffening plate in the threshold
There is the gap of 6mm width.
B column inner panel bottom side horizontal direction has the first sawtooth flange, and threshold outside plate bottom side horizontal direction has
Second sawtooth flange, the B column inner panel lower end are staggeredly fixed to threshold by the first sawtooth flange and the second sawtooth flange
Between outside plate and threshold internal plate.
The B column ontology further includes B column flap, and the B column flap is fixed on B column reinforcement plate outer surface,
The B column flap includes hinged stiffening plate and B column lower hinge stiffening plate on B column, and hinged stiffening plate is extended on the B column
The lower end in the B column reinforcement plate, the B column lower hinge stiffening plate are extended on B column reinforcement plate lower end.
The seat beam middle front part is at least 60mm, the seat to preceding floor body middle front part longitudinal section height
Crossbeam middle front part longitudinal section height at the preceding floor body middle front part is gradually incremented by until by outer on rear side of the threshold internal plate
Surface extends upwardly to the threshold internal plate top and fixes concordantly, extends after being fixed with seat beam on the inside of the seat beam
Stiffening plate, stiffening plate extends to seat beam rear portion by the seat beam front after the seat beam.
A kind of center body pillar lower part stiffener assembly of the invention, including B column ontology and threshold ontology, the threshold ontology are horizontal
To the B column ontology lower end is fixed on, the B column ontology includes B column inner panel and B column reinforcement plate, and the B column reinforcement plate longitudinally prolongs
It stretches and is fixed in front of the B column inner panel, the threshold ontology includes threshold outside plate and threshold internal plate, and the threshold outside plate laterally prolongs
It stretches and is fixed in front of the threshold internal plate, the B column inner panel lower end, which extends vertically, is fixed to the threshold outside plate and the threshold
Between inner panel, B column reinforcement plate lower end, which extends vertically, is fixed to middle and lower part on front side of the threshold outside plate, the threshold outside plate
It is fixed with threshold external reinforcing plate for car between on front side of rear side and the B column inner panel, side wall outer panel of automobile body is fixed on the B column reinforcement plate
Two sides are horizontal respectively up and down in front of the threshold outside plate, on rear side of the threshold internal plate is equipped with seat beam and preceding floor body,
The seat beam and the preceding floor body are arranged in parallel.In this way, the column inner panel lower end B, which extends, is fixed on the threshold outside plate
Between the threshold internal plate, B column reinforcement plate lower end, which extends, is fixed to lower end, first B column inner panel in threshold outside plate front side
Lower end extends in front of threshold outside plate and the outer front edge of board of threshold is consolidated with two sides level above and below corresponding B column inner panel two sides respectively up and down
It is fixed, then, B column inner panel lower end front horizontal be fixed with threshold internal plate and threshold internal plate rear end up and down two sides in corresponding B column
Two sides levels is fixed up and down for plate lower part, respectively with above and below threshold outside plate two at left and right sides of B column inner panel upper and lower ends as shown in Figure 10
Side and threshold internal plate are fixed two sides up and down by three layers of weldering formula, and threshold outside plate bottom side has been extended between B column inner panel, when vehicle body is sent out
It when sending side impact, by the load of power at threshold, is transmitted on B column inner panel, absorption dispersion is carried out by B column inner panel, it is not easy to occur
Overturning, avoids entire B column stress immersion amount big, keeps side wall severely deformed, influence occupant safety.In addition on rear side of threshold outside plate and
Threshold external reinforcing plate for car is equipped between on front side of B column inner panel lower end, when side sends touching column, load is first transferred to B by side-wall outer-plate
Column reinforcement plate, threshold outside plate, threshold external reinforcing plate for car, B column inner panel, threshold internal plate seat beam and preceding floor body successively transmit,
After being transmitted to threshold external reinforcing plate for car after load transmission to threshold outside plate, dispersion a part load is absorbed by threshold external reinforcing plate for car,
It is transmitted on B column inner panel again, then B column inner panel redisperse fractional load is successively transmitted, by the biography for transmitting proof load layer by layer
The dispersion for being conducive to load while sending approach smooth absorbs, and avoids stress from concentrating, malformation is caused to be mutated, and reduces load and exists
Impact force when transmitting, threshold overturning occurs when avoiding collision causes B column ontology immersion amount is excessive side is caused to deform.The present invention
A kind of center body pillar lower part stiffener assembly, have the advantage, that in terms of existing technologies this structure make B column ontology by
Enough impact forces are able to bear when to side collision, there is enough intensity will not send threshold overturning when guaranteeing collision and cause
B column immersion amount is excessive to cause side to deform.
Detailed description of the invention
Fig. 1 is B column inner panel and the outer board connecting structure of threshold in the center body pillar lower part stiffener assembly of prior art.
Fig. 2 is B column inner panel and threshold internal plate connection structure in the center body pillar lower part stiffener assembly of prior art
Fig. 3 is C-C sectional view in Fig. 2.
Fig. 4 is D-D sectional view in Fig. 2.
Fig. 5 is the B column reinforcement plate schematic diagram in the center body pillar lower part stiffener assembly of the prior art.
Fig. 6 is the B column hinge stiffening plate schematic diagram in the center body pillar lower part stiffener assembly of the prior art.
Fig. 7 is that the B column reinforcement plate and B column hinge stiffening plate in the center body pillar lower part stiffener assembly of the prior art integrally show
It is intended to.
Fig. 8 is B column inner panel and the outer board connecting structure of threshold in center body pillar lower part stiffener assembly of the invention.
Fig. 9 is B column inner panel and threshold internal plate connection structure in center body pillar lower part stiffener assembly of the invention.
Figure 10 is E-E sectional view in Fig. 9.
Figure 11 is F-F sectional view in Fig. 9.
Figure 12 is H-H sectional view in Fig. 9.
Figure 13 is threshold waling structural schematic diagram in center body pillar lower part stiffener assembly of the invention.
Figure 14 is threshold internal plate stiffening plate structural schematic diagram in center body pillar lower part stiffener assembly of the invention.
Figure 15 is threshold outside plate and threshold internal plate explosive view in center body pillar lower part stiffener assembly of the invention.
Figure 16 is B column reinforcement plate schematic diagram in center body pillar lower part stiffener assembly of the invention.
Figure 17 is B column hinge stiffening plate schematic diagram in center body pillar lower part stiffener assembly of the invention.
Figure 18 is B-pillar assembly structural schematic diagram in center body pillar lower part stiffener assembly of the invention.
Figure 19 is center body pillar lower part stiffener assembly explosive view of the invention.
Figure number explanation
1 ... B column ontology 2 ... B column reinforcement plate 3 ... B column inner panel
4 ... threshold outside plate 5 ... threshold internal plate 6 ... threshold external reinforcing plate for car
Stiffening plate 8 ... side-wall outer-plate 9 ... seat beam in 7 ... thresholds
Preceding floor body 12 ... the structural adhesive layer of stiffening plate 11 ... after 10 ... seat beams
13 ... the second flange of the first flange of glue groove 14 ... 15 ...
16 ... third flange 17 ... B column upper hinge stiffening plate 18 ... B column lower hinge stiffening plates
19 ... B column sawtooth flange 20 ... the first recessed portions of threshold sawtooth flange 21 ...
22 ... second the second horizontal walls of recessed portion 23 ... first level wall 24 ...
25 ... the preceding floor body middle front parts of gap 27 ... seat beam middle front part 28 ...
Specific embodiment
Fig. 8 to Figure 19 with reference to the accompanying drawing to a kind of center body pillar lower part stiffener assembly of the invention further specifically
It is bright.
A kind of center body pillar lower part stiffener assembly of the invention, please refers to shown in Fig. 8 to Figure 19, including B column ontology 1 and door
Sill ontology, the threshold ontology are secured transverse to the B column ontology lower end, and the B column ontology 1 includes that B column inner panel 3 and B column add
Strong plate 2, longitudinal extend of the B column reinforcement plate 2 are fixed on 3 front of B column inner panel, and the threshold ontology includes threshold outside plate 4
With threshold internal plate 5, the threshold outside plate 4, which is laterally extended, is fixed on 5 front of threshold internal plate, and 3 lower ends of the B column inner panel are vertical
Extension is fixed between threshold outside plate 4 and threshold internal plate 5, and 2 lower end of B column reinforcement plate, which extends vertically, is fixed to threshold outside plate 4
Front side middle and lower part, 4 rear side of threshold outside plate and the B column inner panel are fixed with threshold external reinforcing plate for car 6, vehicle body between 3 front side
Side-wall outer-plate 8 is fixed on 4 front of the B column reinforcement plate 2 and the threshold outside plate, and 5 rear side of threshold internal plate divides two sides up and down
Unhorizontal to be equipped with seat beam 9 and preceding floor body 11, the seat beam 9 and the preceding floor body 11 are arranged in parallel.
It is fixed between the threshold outside plate 4 and the threshold internal plate 5 specifically, 3 lower end of B column inner panel extends, the B
2 lower end of column reinforcement plate, which extends, is fixed to lower end in 4 front side of threshold outside plate, before 3 lower end of B column inner panel extends to threshold outside plate 4 first
Two sides are fixed with corresponding about 3 two sides level of B column inner panel respectively above and below side (as shown in Figure 8) and 4 front end of threshold outside plate, so
Afterwards, 3 lower end front horizontal of B column inner panel be fixed with threshold internal plate 5 (as shown in Figure 9) and 5 rear end of threshold internal plate up and down two sides with it is right
Two sides level is fixed up and down for 3 lower part of B column inner panel answered, at left and right sides of 3 upper and lower ends of B column inner panel as shown in Figure 10 respectively with threshold
About 4 two sides of outside plate and about 5 two sides of threshold internal plate are fixed by three layers of weldering formula, have been extended to outside threshold between B column inner panel 3
4 bottom of plate, 3 side, when vehicle body sends side impact, load at threshold by power is transmitted on B column inner panel 3, is carried out by B column inner panel 3
Absorb dispersion, it is not easy to be flipped, avoid entire B column stress immersion amount big, keep side wall severely deformed, influence occupant safety.
In addition it is equipped with threshold external reinforcing plate for car 6 between 4 rear side of threshold outside plate and 3 lower end of B column inner panel front side, when side sends touching column, carried
Lotus is first transferred to B column reinforcement plate 2, threshold outside plate 4, threshold external reinforcing plate for car 6, B column inner panel 3, threshold internal plate 5 by side-wall outer-plate 8
Chair crossbeam 9 and preceding floor body 11 successively transmit, after threshold external reinforcing plate for car 6 is transmitted to after load transmission to threshold outside plate 4, quilt
Threshold external reinforcing plate for car 6 absorbs dispersion a part load, and is transmitted on B column inner panel 3, the 3 redisperse fractional load of B column inner panel, so
It successively transmits afterwards, the transmission approach by transmitting proof load layer by layer is conducive to load dispersion while smooth absorbs, and avoids
Stress is concentrated, and malformation is caused to be mutated, and reduces impact force of the load in transmitting, and threshold overturning occurs when avoiding collision to be caused
1 immersion amount of B column ontology is excessive to cause side to deform.Compared with the existing technology the advantages of, is: this structure make B column ontology 1 by
It is able to bear enough impact forces when side collision, there is enough intensity will not send threshold overturning when guaranteeing collision and cause B
Column immersion amount is excessive to cause side to deform.
A kind of center body pillar lower part stiffener assembly of the invention, please refers to the technology shown in Fig. 8 to Figure 19, described in front
On the basis of scheme it may also is that 6 horizontal cross-section of threshold external reinforcing plate for car is in " several " font, the threshold external reinforcing plate for car 6
Front side left and right ends are fixed on rear side of threshold outside plate 4 respectively, the first level wall 23 and B column of 6 rear side of threshold external reinforcing plate for car
It is fixedly connected on front side of inner panel 3.In this way, 6 horizontal cross-section of threshold external reinforcing plate for car is in " several " font, left and right on front side of threshold external reinforcing plate for car 6
It is fixed on front side of fixed and 6 rear side of threshold external reinforcing plate for car first level wall 23 and B column inner panel 3 on rear side of both ends and threshold outside plate 4, it is whole
Body formed a closed cavity body structure, when side send touching column when, load first by side-wall outer-plate 8 be transferred to B column reinforcement plate 2,
Threshold outside plate 4, threshold external reinforcing plate for car 6, B column inner panel 3,5 seat beam 9 of threshold internal plate and preceding floor body 11 successively transmit, when
When load transmission is to threshold external reinforcing plate for car 6, because being cavity inside cavity body structure, the dispersion effectively loaded while mitigating weight is inhaled
It receives, and is air in cavity, transmitting is accelerated in load in air, avoids stress from concentrating, malformation is caused to be mutated, into one
Step reduces impact force of the load in transmitting, and threshold overturning occurs when further avoiding collision causes 1 immersion amount of B column ontology excessive
Side is caused to deform.Can also 6 four jiaos of the threshold external reinforcing plate for car be equipped with outwardly extending first flange 14, while can also should
The 6 front side left and right sides the second flange 15 with outward extension of threshold external reinforcing plate for car, the first flange 14 and the second flange 15 are not only
It can reinforce 6 bonding strength of threshold external reinforcing plate for car and can be used as welding edge and beat welded eye to be fixed, reinforce reliability, threshold
6 front side left and right ends of external reinforcing plate for car pass through the second flange 15 respectively and extend fixation on rear side of threshold outside plate 4, and it is additional strong to reinforce threshold
6 front side left and right ends of plate and 4 rear side bonding strength of threshold outside plate.Technology further preferred on the basis of technical solution in front
Scheme are as follows: be fixedly connected between the first level wall 23 and 3 front side of B column inner panel by structural adhesive layer 12.In this way, threshold is additional
The first level wall 23 of strong 6 downside of plate is fixedly connected on front side of B column inner panel 3 by structural adhesive layer 12, and structural adhesive layer 12 can be held
By biggish load, and ageing-resistant labor, corrosion resistance are high, the steady performance in life expectancy.Technical solution in front
On the basis of further preferred technical solution are as follows: the first level wall 23 is equipped with the glue groove for contained structure glue-line 12
13, the glue groove 13 is through to 23 outside of first level wall from the inside of first level wall 23, and the first level wall 23 is logical
It crosses on front side of the glue groove 13 and B column inner panel 3 and is fixedly connected.In this way, the first of 6 downside of threshold external reinforcing plate for car is arranged in glue groove 13
In horizontal wall 23, structure glue 12 ensures to come into full contact with B column inner panel 3 by glue groove 13, guarantees 12 bonding strength of structure glue.May be used also
With glue groove 13 for heavy platform through-hole type glue groove.In this way, guarantee that the structure glue 12 in glue groove 13 can be contacted quickly with B column inner panel 3,
The contact area of threshold external reinforcing plate for car 6 and 3 structure glue 12 of B column inner panel is increased, guarantees bonding strength.
A kind of center body pillar lower part stiffener assembly of the invention, please refers to the technology shown in Fig. 8 to Figure 19, described in front
It is fixed in threshold and adds between 3 rear side of on the basis of scheme it may also is that 5 front side of the threshold internal plate and the B column inner panel
Strong plate 7, stiffening plate 7 is located at 6 rear side of threshold external reinforcing plate for car in the threshold, and 7 horizontal cross-section of stiffening plate is small in the threshold
In the horizontal cross-section of threshold external reinforcing plate for car 6.In this way, load is first transferred to B column by side-wall outer-plate 8 and adds when side collision stress
Strong plate 2, threshold outside plate 4, threshold external reinforcing plate for car 6, B column inner panel 3, stiffening plate 7 in threshold, threshold internal plate 5, seat beam 9 and preceding
Floor body 11 successively transmits, and load can gradually be absorbed by dispersion during transmitting layer by layer, when side collision stress, load
After when being transmitted to B column inner panel 3, and stiffening plate 7 in threshold are transmitted to, load absorbs one further through the dispersion of stiffening plate 7 in threshold
Separate loading ensure that further the mitigation of effective guarantee load, this structure make B column ontology while load pipeline is smooth
1 is able to bear enough impact forces when by side collision, further there is enough intensity will not send when guaranteeing collision
Threshold overturning causes 1 immersion amount of B column ontology is excessive side is caused to deform.It is further preferred on the basis of technical solution in front
Technical solution are as follows: 7 horizontal cross-section of stiffening plate is in "U" shaped in the threshold, 7 front side left and right ends of stiffening plate point in the threshold
It is not fixed on rear side of the B column inner panel 3, in the threshold before the second horizontal wall 24 and the threshold internal plate 5 of 7 rear side of stiffening plate
Side is fixedly connected.In this way, 7 horizontal cross-section of stiffening plate is in "U" shaped in threshold, 7 front side left and right ends of stiffening plate and B column in threshold
Fixed and 6 rear side of threshold external reinforcing plate for car the second horizontal wall 24 is fixed with threshold internal plate 5 on rear side of inner panel 3, and an envelope is integrally formed
The cavity body structure closed, when side sends touching column, load is first transferred to B column reinforcement plate 2, threshold outside plate 4, door by side-wall outer-plate 8
Sill external reinforcing plate for car 6, B column inner panel 3, stiffening plate 7, threshold internal plate 5, seat beam 9 and preceding floor body 11 successively transmit in threshold,
When stiffening plate 7 in load transmission to threshold, because being cavity, the dispersion effectively loaded while mitigating weight inside cavity body structure
It absorbs, and is air in cavity, transmitting is accelerated in load in air, avoids stress from concentrating, malformation is caused to be mutated, again
It is further reduced impact force of the load in transmitting, threshold overturning occurs when further avoiding collision leads to 1 immersion amount of B column ontology
It is excessive that side is caused to deform.It can be with 7 four jiaos of stiffening plate third flange 16 with outward extension in threshold, the third flange 16
Not only flange booster action had been played, but also has been that welding edge plays solder joint raising bonding strength effect.
A kind of center body pillar lower part stiffener assembly of the invention, please refers to the technology shown in Fig. 8 to Figure 19, described in front
It may also is that 7 front side left and right ends of stiffening plate are respectively and after the corresponding B column inner panel 3 in the threshold on the basis of scheme
The gap 25 of 6mm height is equipped between the left and right ends of side.In this way, being stayed between 3 front side of 7 front side of stiffening plate and B column inner panel in threshold
There is the gap 25 (as shown in figure 11) of 6mm width, the gap 6mm 25 can be transmitted after part deformation in side collision big load, In
Torsional energy in normal driving process prevents gap is too small from part deformation being caused to interfere abnormal sound.
A kind of center body pillar lower part stiffener assembly of the invention, please refers to the technology shown in Fig. 8 to Figure 19, described in front
It can also be that the 3 bottom side horizontal direction of B column inner panel has B column sawtooth flange 19,4 bottom of threshold outside plate on the basis of scheme
Side horizontal direction has threshold sawtooth flange 20, and 3 lower end of B column inner panel passes through the B column sawtooth flange 19 and the threshold
Sawtooth flange 20 is staggeredly fixed between threshold outside plate 4 and threshold internal plate 5.In this way, B column inner panel 3 extends to threshold outside plate 4
Inside, 3 lower end of B column inner panel are equipped with B column sawtooth flange 19, and threshold internal plate 5 is equipped with threshold sawtooth flange 20, B column sawtooth flange
1920 are staggeredly fixed on the inside of threshold sawtooth flange 2019, avoid 3 lower end of B column inner panel and 4 lower end of body sill outside plate simultaneously with
Side wall outer panel of automobile body 8 and the welding of 5 four laminate solder joint formula of body sill inner panel.
A kind of center body pillar lower part stiffener assembly of the invention, please refers to the technology shown in Fig. 8 to Figure 19, described in front
It may also is that being equipped with B column flap on the upside of the B column reinforcement plate 2, the B column flap includes cutting with scissors on B column on the basis of scheme
Hinged stiffening plate 18 under stiffening plate 17 and B column is connect, hinged stiffening plate 17 is extended on the B column reinforcement plate 2 on the B column
Middle lower end, hinged stiffening plate 18 is extended on 2 lower end of B column reinforcement plate, hinged stiffening plate on the B column under the B column
17 lower ends are fixedly connected with 18 upper end of stiffening plate hinged under the B column.Traditional B column flap is divided on B column hingedly in this way
Hinged stiffening plate 18 under stiffening plate 17 and B column, B column upper hinge stiffening plate 17 are fixed on the middle and lower part of B column reinforcement plate 2, cut with scissors under B column
Chain stiffening plate 18 is fixed on the lower end of B column reinforcement plate 2, the lower end of B column cochain stiffening plate 17 and the upper end of B column lower hinge stiffening plate
Between there are areas of disconnection.(shown in Figure 18) dotted line frame is 17 lower end of B column upper hinge stiffening plate and B column lower hinge stiffening plate 18
Areas of disconnection between upper end, 18 upper end areas of disconnection intensity of hinged stiffening plate under hinged 17 lower end of stiffening plate and B column on B column
It is relatively weak, can targeted absorbing side impact load energy, hinged stiffening plate 18 is extended on the B column and adds under B column
Strong 2 lower end of plate, does not extend to threshold body bottom portion, by above-mentioned B column inner panel 3, threshold internal plate 5, threshold outside plate 4, threshold
Interior stiffening plate 7 and threshold external reinforcing plate for car 6 can realize center body pillar root intensity guarantee, can also on B column ontology 1 non-key area
Domain rationally absorbs collision energy.It can be wherein cut with scissors on the B column with the B column reinforcement plate 2 generally equal thickness thermoformed structure
Connecing hinged stiffening plate 18 under stiffening plate 17 and B column is cold punching laminated structure.In this way, because traditional application of B column reinforcement plate 2 differs
Thick plates laser assembly solder technology, i.e., in deformation energy-absorbing region using thickness is thin, material softer, in main security key area using thick
The thick strong Steel material of degree, this not equal thickness plate laser assembly solder technology has high than cold stamping structural materials cost and manufacturing cost.
So using being cut with scissors under stiffening plate 17 hinged on the B column reinforcement plate 2 of equal thickness thermoformed structure and the B column of cold punching laminated structure and B column
The light weight effect that stiffening plate 18 realizes part size reduction compared to traditional structure is connect, can be incited somebody to action using conventional, electric-resistance spot-welding technology
Trial of strength stiffening plate is fixed under hinged stiffening plate 17 and B column on B column reinforcement plate 2 and B column, compared to not equal thickness plate laser assembly solder technology
Realize that identical energy-absorbing effect substantially reduces Material Cost and manufacturing cost again.
A kind of center body pillar lower part stiffener assembly of the invention, please refers to the technology shown in Fig. 8 to Figure 19, described in front
It may also is that the seat beam middle front part 27 arrives the preceding 28 longitudinal section height of floor body middle front part extremely on the basis of scheme
Less be 60mm, the seat beam middle front part 27 to longitudinal section height at the preceding floor body middle front part 28 be gradually incremented by until
5 top of threshold internal plate is extended upwardly to by the 5 rear side outer surface of threshold internal plate to fix concordantly, in the seat beam 9
Side, which extends, is fixed with stiffening plate 10 after seat beam, and stiffening plate 10 is prolonged by 9 front of seat beam after the seat beam
Extend to 9 rear portion of seat beam.In this way, the H depth of section of 9 middle and upper part of seat beam to preceding 11 middle and upper part of floor body is increased to
60mm, and be gradually incremented by from seat beam middle front part 27 to preceding 28 longitudinal section height of floor body middle front part until to threshold internal plate
Behind 5 rear side outer surfaces, then extends up to and flush fixation with 9 end of seat beam, side door can effectively prevent when colliding in threshold,
Outside plate overturning causes 1 immersion amount of B column ontology to increase, and guarantees security intensity, and extends on the inside of seat beam 9 and be fixed with seat
Stiffening plate 10 after crossbeam, after stiffening plate 10 extends to 5 rear side outer surface of threshold internal plate with seat beam 9 after seat beam, then to
On extend to and flush fixation with 9 end of seat beam.In this way, stiffening plate after extending on the inside of seat beam 9 equipped with seat beam
10,10 one end of stiffening plate and seat beam 9, threshold internal plate 5 are fixed after seat beam, can be three ply board and are welded and fixed, seat
The other end of stiffening plate 10 extends to non-key stress area among seat beam 9 after crossbeam.When side collision stress, load
B column reinforcement plate 2, threshold outside plate 4, threshold external reinforcing plate for car 6, B column inner panel 3, stiffening plate in threshold are first transferred to by side-wall outer-plate 8
7, stiffening plate 10 and preceding floor body 11 successively transmit after threshold internal plate 5, seat beam 9, seat beam, and load is transmitted layer by layer
During can gradually by dispersion absorb, after side collision stress, load transmission to seat beam 9, once again pass to threshold
Interior stiffening plate 7, load absorb a part of load further through the dispersion of stiffening plate 10 after seat beam, ensure that load pipeline is suitable
Further the dispersion of effective guarantee load, this structure make B column ontology 1 be able to bear foot when by side collision while smooth
Enough impact forces further there is enough intensity will not send threshold overturning when guaranteeing collision, 1 immersion of B column ontology caused to be measured
Side is caused to deform greatly.It can be with preceding place is equipped with the first recess in preceding place and seat beam 9 in stiffening plate 10 after seat beam
Portion 21, after seat beam in stiffening plate 10 after place and 9 middle and back of seat beam be equipped with the second recessed portion 22, the first recessed portion
21 the second recessed portion of distance, 22 length is 67mm.9 rear end of seat beam and 11 rear end parallel cut height of preceding floor body are
46mm can further effectively prevent the inside and outside plate overturning of threshold that 1 immersion amount of B column ontology is caused to increase in side door collision, promote peace
Full strength.With stiffening plate 10 after seat beam 9 and seat beam and it can upwardly extend and connect welding with 5 Da of threshold internal plate
It is concordant fixed.
It is above-mentioned that only several specific embodiments in the present invention are illustrated, but can not be as protection model of the invention
Enclose, it is all according to the present invention in design spirit made by equivalent change or modification or equal proportion zoom in or out, should all
Think to fall into protection scope of the present invention.
Claims (10)
1. a kind of center body pillar lower part stiffener assembly, it is characterised in that: including B column ontology (1) and threshold ontology, the threshold sheet
Body is secured transverse to B column ontology (1) lower end, and the B column ontology (1) includes B column inner panel (3) and B column reinforcement plate (2), institute
State B column reinforcement plate (2) and longitudinally extend and be fixed in front of the B column inner panel (3), the threshold ontology include threshold outside plate (4) and
Threshold internal plate (5), the threshold outside plate (4), which is laterally extended, to be fixed in front of the threshold internal plate (5), under the B column inner panel (3)
End, which extends vertically, to be fixed between threshold outside plate (4) and threshold internal plate (5), and B column reinforcement plate (2) lower end extends vertically fixation
Middle and lower part on front side of to threshold outside plate (4) is fixed with door between threshold outside plate (4) rear side and the B column inner panel (3) front side
Sill external reinforcing plate for car (6), side wall outer panel of automobile body (8) is fixed in front of the B column reinforcement plate (2) and the threshold outside plate (4), described
Two sides are horizontal respectively up and down on rear side of threshold internal plate (5) is equipped with seat beam (9) and preceding floor body (11), the seat beam
(9) it is arranged in parallel with the preceding floor body (11).
2. a kind of center body pillar lower part stiffener assembly according to claim 1, it is characterised in that: the threshold external reinforcing plate for car
(6) horizontal cross-section is in " several " font, and threshold external reinforcing plate for car (6) front side left and right ends are respectively and on rear side of threshold outside plate (4)
It is fixed, it is fixedly connected on front side of the first level wall (23) and B column inner panel (3) on rear side of the threshold external reinforcing plate for car (6).
3. a kind of center body pillar lower part stiffener assembly according to claim 2, it is characterised in that: the first level wall
(23) it is fixedly connected between B column inner panel (3) front side by structural adhesive layer (12).
4. a kind of center body pillar lower part stiffener assembly according to claim 3, it is characterised in that: the first level wall
(23) it is equipped with the glue groove (13) for contained structure glue-line (12), the glue groove (13) is through to from the inside of first level wall (23)
On the outside of the first level wall (23), the first level wall (23) passes through fixed on front side of the glue groove (13) and B column inner panel (3)
Connection.
5. a kind of center body pillar lower part stiffener assembly according to claim 2, it is characterised in that: before the threshold internal plate (5)
It is fixed with stiffening plate in threshold (7) between on rear side of side and the B column inner panel (3), stiffening plate (7) is located at described in the threshold
On rear side of threshold external reinforcing plate for car (6), stiffening plate (7) horizontal cross-section is less than the horizontal cross-section of threshold external reinforcing plate for car (7) in the threshold.
6. a kind of center body pillar lower part stiffener assembly according to claim 5, it is characterised in that: stiffening plate in the threshold
(7) horizontal cross-section is in "U" shaped, and stiffening plate (7) front side left and right ends are respectively and on rear side of the B column inner panel (3) in the threshold
It is fixed, it is fixedly connected on front side of the second horizontal wall (24) and the threshold internal plate (5) in the threshold on rear side of stiffening plate (7).
7. a kind of center body pillar lower part stiffener assembly according to claim 5, it is characterised in that: stiffening plate in the threshold
(7) front side left and right ends are equipped with the gap of 6mm width between left and right ends on rear side of the corresponding B column inner panel (3) respectively
(25)。
8. according to claim 1 to a kind of automobile B-column connection component described in 7 any one claims, it is characterised in that: institute
It states B column inner panel (3) bottom side horizontal direction and has the first sawtooth flange, threshold outside plate (4) bottom side horizontal direction has second
Sawtooth flange, the B column inner panel (3) lower end are staggeredly fixed to outside threshold by the first sawtooth flange and the second sawtooth flange
Between plate (4) and threshold internal plate (5).
9. existing according to claim 1 to a kind of center body pillar lower part stiffener assembly, feature described in 7 any one claims
In: the B column ontology (1) further includes B column flap, and the B column flap is fixed on B column reinforcement plate (2) outer surface,
The B column flap includes hinged stiffening plate (17) and B column lower hinge stiffening plate (18) on B column, hinged stiffening plate on the B column
(17) it is extended on lower end in the B column reinforcement plate (2), the B column lower hinge stiffening plate (18) is extended on the B column
Stiffening plate (2) lower end.
10. existing according to claim 1 to a kind of center body pillar lower part stiffener assembly, feature described in 7 any one claims
In: the seat beam middle front part (27) is at least 60mm to preceding floor body middle front part (28) the longitudinal section height, described
Seat beam middle front part (27) is gradually incremented by longitudinal section height at the preceding floor body middle front part (28) until by the door
Outer surface extends upwardly to the threshold internal plate (5) top and fixes concordant, seat beam (9) inside on rear side of sill inner panel (5)
Extension is fixed with stiffening plate (10) after seat beam, before stiffening plate (10) is by the seat beam (9) after the seat beam
Portion extends to seat beam (9) rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446015.9A CN110466615A (en) | 2018-05-11 | 2018-05-11 | A kind of center body pillar lower part stiffener assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446015.9A CN110466615A (en) | 2018-05-11 | 2018-05-11 | A kind of center body pillar lower part stiffener assembly |
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| Publication Number | Publication Date |
|---|---|
| CN110466615A true CN110466615A (en) | 2019-11-19 |
Family
ID=68503976
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810446015.9A Pending CN110466615A (en) | 2018-05-11 | 2018-05-11 | A kind of center body pillar lower part stiffener assembly |
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| CN111907603A (en) * | 2020-07-03 | 2020-11-10 | 浙江零跑科技有限公司 | Outer threshold gusset plate structure of B post lower extreme |
| CN114771666A (en) * | 2022-04-14 | 2022-07-22 | 东风柳州汽车有限公司 | Reinforcing structure for side collision doorsill of automobile |
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| CN114771666B (en) * | 2022-04-14 | 2023-07-07 | 东风柳州汽车有限公司 | Automobile side collision threshold reinforcing structure |
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