CN205365747U - Center pillar of vehicle - Google Patents
Center pillar of vehicle Download PDFInfo
- Publication number
- CN205365747U CN205365747U CN201620117406.2U CN201620117406U CN205365747U CN 205365747 U CN205365747 U CN 205365747U CN 201620117406 U CN201620117406 U CN 201620117406U CN 205365747 U CN205365747 U CN 205365747U
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- Prior art keywords
- ridge line
- line section
- center pillar
- vehicle
- post
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- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000012447 hatching Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model provides a center pillar of vehicle. This center pillar possesses post main part component, and this post main part component has along the crest line portion that the overall height direction is extended, and the hole portion that nearby sets up in this crest line portion, and hole portion is formed, and on the seat surface of establishing the base portion that concave part or protrusion on post main part component constitute, this base portion has along the horizontal crest line portion that the direction of the crest line portion of perpendicular to post main part component is extended. Based on this structure, can prevent to be taken place by the cracked condition of upon impact center pillar of vehicle to the side of the vehicle.
Description
Technical field
This utility model relates to the center pillar of a kind of vehicle.
Background technology
Generally, the center pillar be arranged on side body, being also referred to as B post includes, and is arranged in the post inner panel of car indoor, is arranged in car outside and constitutes the hinge strenthening member etc. that the post outside plate in closed loop cross section, the column reinforcement plate that center pillar is reinforced and the part to securement of door hinge are reinforced together with post inner panel.
Above-mentioned post inner panel, post outside plate, column reinforcement plate and hinge strenthening member etc. are constituted typically by high-strength steel sheet carries out punch process form the shape with the ridge line section extended along overall height direction, these components have higher intensity, are bonded with each other typically via spot welding.
In these post inner panels, post outside plate, column reinforcement plate and hinge strenthening member etc., the usually various component of promising installation and the hole portion that arranges and the hole portion arranged for preventing stress raisers.Such as, if the local deformation produced when vehicular sideview is collided concentrates on spot-welding part, then it is likely to result in center pillar and starts fracture from spot-welding part, by providing holes portion near spot-welding part, hole portion can be utilized to absorb the deformation of periphery, local deformation is avoided to concentrate on spot-welding part, thus preventing the situation that center pillar breaks from occurring.
But, when being provided with hole portion near the ridge line section of center pillar, such as when the SUV vehicle side collision of American Highway security insurance association (InsuranceInstituteforHighwaySafety:IIHS) is tested and tested under so comparatively strict crash mode, if producing bigger stress when vehicular sideview is collided near the ridge line section of body inner side, then the circumference in the hole portion near ridge line section can produce moderate finite deformation, it is possible to make center pillar start fracture from this hole portion.
Utility model content
For above-mentioned technical problem, the purpose of this utility model is in that, it is provided that the center pillar of the not vehicle of easy fracture when a kind of vehicular sideview is collided.
As the technical scheme solving above-mentioned technical problem, this utility model provides the center pillar of a kind of vehicle, this center pillar possesses post main component, this main component has the ridge line section extended along overall height direction and the hole portion arranged near this ridge line section, it is characterized in that: described hole portion is formed on, on the seat surface of the base portion being made up of the recess being located on described post main component or protrusion, described base portion has the horizontal ridge line section of the direction extension along the ridge line section being perpendicular to described post main component.
The advantage of the center pillar with the vehicle of the present utility model of said structure is in that, vehicle center pillar not easy fracture when vehicular sideview is collided.Specifically, collided and the post main component of center pillar is deformed at vehicular sideview, when making to be subject near ridge line section the bigger tensile stress effect in overall height direction, this tensile stress can be disperseed by the horizontal ridge line section perpendicular due to the ridge line section with post main component in base portion, so, the deformation of hole portion circumference can be suppressed, thus preventing the situation that center pillar starts fracture from hole portion from occurring.
It addition, adopt the center pillar of vehicle of the present utility model, it is not necessary to increase the thickness of slab of component or set up strenthening member and just can prevent center pillar from rupturing, being thus advantageous to the lightweight of vehicle.
It addition, in the center pillar of above-mentioned vehicle of the present utility model, described post main component is, post inner panel, post outside plate, column reinforcement plate, hinge strenthening member and be arranged on any one in the tabular component on described center pillar.Adopt this structure, it is possible to be effectively prevented center pillar fracture.
Further, in the center pillar of above-mentioned vehicle of the present utility model, being preferably, the horizontal ridge line section of described base portion is configured to, its away from the distance between one end and the described ridge line section of the ridge line section of described post main component more than the distance between the center in described ridge line section and described hole portion.Adopting this structure, due to from overall height direction, the horizontal ridge line section of base portion and a greater part of of hole portion overlap, it is possible to peptizaiton tensile stress in the portion of hole effectively.
Accompanying drawing explanation
Fig. 1 indicates that the sectional view in the cross section of the center pillar of the vehicle of embodiment.
Fig. 2 indicates that the figure of a part for the post inner panel in Fig. 1.
Fig. 3 is the partial enlarged drawing around the hole portion on post inner panel.
Fig. 4 is an illustration for the schematic diagram of the situation that center pillar deforms when vehicular sideview is collided.
Fig. 5 indicates that the schematic diagram of the action direction of the stress near the portion of hole.
Fig. 6 indicates that the schematic diagram of situation about deforming near the portion of hole.
Fig. 7 indicates that the sectional view of the center pillar of the prior art stress distribution when vehicular sideview is collided.
Fig. 8 indicates that the post inner panel of prior art is collided the schematic diagram of the deformation produced around hole when portion at vehicular sideview.
Detailed description of the invention
Hereinafter, with reference to accompanying drawing, embodiment of the present utility model is illustrated.But, this utility model is not limited by the content of record in this embodiment.
Fig. 1 illustrates the cross section of the center pillar 1 of the vehicle of present embodiment.This center pillar 1 is as it is shown in figure 1, include being arranged in the post inner panel 2 of car indoor, being arranged in the hinge strenthening member 5 that the post outside plate 3 of car outside, the column reinforcement plate 4 that center pillar 1 is reinforced and the part to securement of door hinge (not shown) are reinforced.These post inner panels 2, post outside plate 3, column reinforcement plate 4 and hinge strenthening member 5 are all made up of high-strength steel sheet.
Post inner panel 2 has, plate main part 6, from two ends in the vehicle commander direction of this plate main part 6 respectively to the outside in overall width direction obliquely tortuous become a pair, the front and back longitudinal wall part 7 of wall-like and be positioned at a pair, the front and back flange portion 8 that the end outside overall width direction extends respectively towards the front side in vehicle commander direction and rear side from this pair longitudinal wall part 7.It addition, in the middle part of plate main part 6, be formed outside overall width direction grand go out protuberance 9.Closed loop cross section is constituted by a pair flange portion 3a of a pair flange portion 8 of post inner panel 2 with post outside plate 3 is carried out soldered joint, post inner panel 2 and post outside plate 3.
Post inner panel 2 is constituted by high-strength steel sheet is carried out punch process, it is connected with sidepiece part at plate main part 6 part, longitudinal wall part 7 be connected with protuberance 9 top of part and protuberance 9 of part, plate main part 6 that is connected with flange portion 8 that is connected with longitudinal wall part 7, is respectively formed with the ridge line section (10,11,12,13) extended along overall height direction.
Fig. 2 illustrates the post inner panel 2 seen from car indoor.As in figure 2 it is shown, be provided with many spot-welding parts 21 in the flange portion 8 of post inner panel 2, near the ridge line section 10 between plate main part 6 and longitudinal wall part 7, porose portion 14 is set.Therefore, in present embodiment, post inner panel 2 has the ridge line section extended along overall height direction and the post main component in hole portion arranged near this ridge line section described in this utility model.
Generally, the center pillar of vehicle is designed with greatly the hole portion for installing various component and for preventing the hole portion of stress raisers.But, there is problems with in the center pillar arranging porose portion near ridge line section.
Fig. 7 illustrates the distribution of the stress that the center pillar 101 of prior art bears around its hole portion when vehicular sideview collides, and in this sectional view, the density of shade represents the size of stress, and the stress that the position that namely hatching density is more high is born is more big.Fig. 8 illustrates the deformation that the post inner panel 102 of prior art is produced around its hole portion when vehicular sideview collides, and in this figure, hatching density represents the size of deformation, i.e. the deformation that the position that hatching density is more high produces is more big.
As can be seen from Figure 7, when vehicular sideview is collided, center pillar 101 is positioned at inside overall width direction, particularly position near ridge line section (110,111,112,113) bear bigger stress.As it can be observed in the picture that when vehicular sideview is collided, the circumference in hole portion 114 creates bigger deformation.So, SUV vehicle side collision at IIHS is tested when carrying out vehicle side collision test under so strict crash mode, ridge line section 110 nearby arranges in the center pillar 101 in porose portion 114, owing to the ridge line section 110 by vehicle interior side nearby bears bigger stress, so, the circumference in the hole portion 114 near ridge line section 110 creates moderate finite deformation, sometimes even there will be center pillar 101 and starts the situation of fracture from hole portion 114.
To this, in present embodiment, shown in Fig. 3 as be described hereinafter, on plate main part 6 during providing holes portion 14, hole portion 14 is formed on the seat surface 16 of base portion 15, this base portion 15 is made up of the recess (or protrusion) being located on post inner panel 2, and has the horizontal ridge line section (17,18) of the direction extension along the ridge line section 10 being perpendicular to post inner panel 2.
Fig. 3 is the partial enlarged drawing around the hole portion 14 of post inner panel 2, is the figure of the post inner panel 2 seen from car outside.As it is shown on figure 3, base portion 15 is to make position near the ridge line section 10 of plate main part 6 be formed to depression inside overall width direction (in terms of car indoor then protuberance) by punch process etc..This base portion 15 has, the ridge line section 19 extended substantially in parallel with the ridge line section 10 of post inner panel 2；It is respectively perpendicular to the horizontal ridge line section (17,18) that ridge line section 10 ground extends from the upper and lower side of ridge line section 19；And the arc ridge line section 20 of the substantially arc-shaped being connected with one end away from ridge line section 19 of horizontal ridge line section (17,18).Hole portion 14 is formed on the seat surface 16 surrounded by horizontal ridge line section (17,18), ridge line section 19 and arc ridge line section 20.
Additionally, horizontal ridge line section (17,18) is configured to, its away from the distance L1 between one end and the centrage 10a of this ridge line section 10 of the ridge line section 10 of post inner panel 2 more than the distance L2 between the centrage 10a and the center 14a in hole portion 14 of the ridge line section 10 of post inner panel 2.So, from overall height direction, the horizontal ridge line section (17,18) being perpendicular to ridge line section 10 overlaps with a greater part of of hole portion 14.
Fig. 4 illustrates the deformation of center pillar 1 when vehicular sideview is collided.As shown in Figure 4, when vehicular sideview bumps against moving obstacle 22, center pillar 1 is pressed towards the inner side in overall width direction, thus the tensile stress effect in post inner panel 2 is subject in Fig. 4 overall height direction shown in arrow.
Fig. 5 illustrates the action direction of the stress around the tensile stress effect hole when portion 14 in the overall height direction shown in the arrow being subject in Fig. 4.Fig. 6 illustrates the situation being deformed around the tensile stress effect hole when portion 14 in the overall height direction shown in the arrow being subject in Fig. 4, and in figure, hatching density represents the degree of deformation, i.e. the position distortions that hatching density is more high is more serious.
As shown in Figure 5, even if when the tensile stress (with reference to filled arrows) in overall height direction acts near ridge line section 10, having a perpendicular in the base portion 15 of the horizontal ridge line section (17,18) that ridge line section 10 ground extends, stress can be disperseed by horizontal ridge line section (17,18) as shown in hollow arrow.And, in present embodiment, owing to horizontal ridge line section (17,18) is configured to, its away from the distance between one end and this ridge line section 10 of the ridge line section 10 of post inner panel 2 more than the distance between this ridge line section 10 and the center 14a in hole portion 14, therefore, it is possible to utilize the stress around horizontal ridge line section (17,18) dispersion hole portion 14 effectively.
By Fig. 6 and Fig. 8 contrast it can be seen that by utilizing horizontal ridge line section (17,18) dispersive stress, the deformation of hole portion 14 circumference significantly reduces.Additionally, the result of vehicle side collision test shows, compared with the structure not having base portion 15, the structure forming hole portion 14 in the base portion 15 with the horizontal ridge line section (17,18) extended along the direction of the ridge line section 10 being perpendicular to post inner panel 2 can make main transformer shape reduce about 30%.
As mentioned above, adopt the center pillar 1 of present embodiment, when vehicular sideview is collided, when post inner panel 2 deforms and makes the bigger tensile stress effect that ridge line section 10 is nearby subject to overall height direction, this tensile stress is disperseed by the horizontal ridge line section (17,18) vertical due to the ridge line section 10 with post inner panel 2 in base portion 15, it is possible to reduce the deformation of hole portion 14 circumference, thus avoiding the situation that center pillar 1 ruptures to occur.
It addition, adopt the center pillar 1 of present embodiment, it is not necessary to increase the thickness of slab of post inner panel 2 grade or set up strenthening member etc. and just can prevent center pillar 1 from rupturing, thus being conducive to the lightweight of vehicle.
In the above-described embodiment, the example that this utility model is applied to post inner panel 2 is illustrated, but this utility model is not limited to this, it is also possible to structure of the present utility model is applied on post outside plate 3, column reinforcement plate 4, hinge strenthening member 5 and center pillar 1 arrange other component etc..That is, except post inner panel 2, post main component of the present utility model it may be that on post outside plate 3, column reinforcement plate 4, hinge strenthening member 5 and center pillar 1 arrange other component in any one.
Additionally, in the above-described embodiment, the example of the structure being applied to this utility model nearby to arrange porose portion 14 in ridge line section 10 being illustrated, but is not limited to this, this utility model is equally applicable to nearby arrange the structure in porose portion in other ridge line section (11,12,13).
Claims (3)
1. a center pillar for vehicle, this center pillar possesses post main component, and this main component has the ridge line section extended along overall height direction and the hole portion arranged near this ridge line section, it is characterised in that:
Described hole portion is formed on, on the seat surface of the base portion being made up of the recess being located on described post main component or protrusion,
Described base portion has the horizontal ridge line section of the direction extension along the ridge line section being perpendicular to described post main component.
2. the center pillar of vehicle as claimed in claim 1, it is characterised in that:
Described post main component is, post inner panel, post outside plate, column reinforcement plate, hinge strenthening member and be arranged on any one in the tabular component on described center pillar.
3. the center pillar of vehicle as claimed in claim 2, it is characterised in that:
The horizontal ridge line section of described base portion is configured to, its away from the distance between one end and the described ridge line section of the ridge line section of described post main component more than the distance between the center in described ridge line section and described hole portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117406.2U CN205365747U (en) | 2016-02-05 | 2016-02-05 | Center pillar of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117406.2U CN205365747U (en) | 2016-02-05 | 2016-02-05 | Center pillar of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205365747U true CN205365747U (en) | 2016-07-06 |
Family
ID=56263237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620117406.2U Active CN205365747U (en) | 2016-02-05 | 2016-02-05 | Center pillar of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205365747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228534A (en) * | 2018-03-06 | 2019-09-13 | 丰田自动车株式会社 | Vehicle center pillar |
-
2016
- 2016-02-05 CN CN201620117406.2U patent/CN205365747U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228534A (en) * | 2018-03-06 | 2019-09-13 | 丰田自动车株式会社 | Vehicle center pillar |
| CN110228534B (en) * | 2018-03-06 | 2021-10-15 | 丰田自动车株式会社 | Vehicle center pillar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |