CN207523792U - B column outside plate assemblies and B columns, the automobile for including it - Google Patents
B column outside plate assemblies and B columns, the automobile for including it Download PDFInfo
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- CN207523792U CN207523792U CN201721588635.3U CN201721588635U CN207523792U CN 207523792 U CN207523792 U CN 207523792U CN 201721588635 U CN201721588635 U CN 201721588635U CN 207523792 U CN207523792 U CN 207523792U
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- columns
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- reinforcing plate
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- outside plate
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Abstract
The utility model discloses a kind of B columns outside plate assembly and the B columns, the automobile that include it, B column outside plate assemblies include：B column outside plates, the B columns outside plate include the first end for being connect with roof and the second end for being connect with underbody；It further includes：Reinforcing plate, the reinforcing plate is arranged on the second end of the B columns outside plate, and extends to the first end, and the reinforcing plate is wrapped on the B columns outside plate, and the internal face of the reinforcing plate is bonded welding with the outside wall surface of the B columns outside plate；The reinforcing plate is made by the low carbon steel plate with toughness.The utility model provides a kind of B columns outside plate assembly and includes its B columns, automobile, improves the toughness of B column outside plates, and B column outside plate assemblies disclosure satisfy that the requirement of collision rear integrality, simplify the manufacturing process of B columns, reduce production cost, improve production efficiency.
Description
Technical field
The utility model is related to automobile technical field, more particularly, to a kind of B columns outside plate assembly and including its B columns,
Automobile.
Background technology
The B columns of automobile are also known as center pillar, and B columns are arranged between the front door of cockpit and back door, and are extended to from roof
Car bottom, B columns need to bear the pressure from covering for roofs and from car door simultaneously；Meanwhile B columns also install additional in vehicle body side
Some add-on parts, such as front-seat safety belt.Therefore, to meet the continuous delivery request and installation requirement of power, B columns need to have
There are enough strength and stiffness.
B columns include B columns inner panel and B column outside plates, and B columns inner panel and B column outside plates are oppositely arranged, and the structure that is welded as a whole.It is existing
There is the B columns outside plate in technology to be made mostly using super-high strength steel material, super-high strength steel material is strong after thermoforming process
Degree is high, but toughness is weak.To meet requirement of the collision regulation to vehicle body integrality, when making B column outside plates, it will usually outside B columns
Plate lower area is made annealing treatment, and the region toughness enhancing for deforming B column outside plates lower part needs, regional extent can be according to difference
The size of vehicle and be configured.But annealing process requirement is harsher, and processing procedure is more difficult to control, causes production process numerous
It is trivial and of high cost, low production efficiency.
Therefore, it is necessary to a kind of B columns outside plate assembly and the B columns, the automobile that include it, to solve the above problems.
Utility model content
In view of this, it the purpose of this utility model is that proposing a kind of B columns outside plate assembly and including its B columns, automobile, carries
The toughness of high B columns outside plate, B column outside plate assemblies disclosure satisfy that the requirement of collision rear integrality, simplify the manufacturing process of B columns,
Production cost is reduced, improves production efficiency.
Based on a kind of above-mentioned purpose B columns outside plate assembly provided by the utility model, including：B column outside plates, the B columns outside plate
Second end including the first end for being used to connect with roof and for being connect with underbody；It further includes：
Reinforcing plate, the reinforcing plate is arranged on the second end of the B columns outside plate, and extends to the first end, institute
It states reinforcing plate to be wrapped on the B columns outside plate, and the internal face of the reinforcing plate is bonded weldering with the outside wall surface of the B columns outside plate
It connects；The reinforcing plate is made by the low carbon steel plate with toughness.
Preferably, the B columns outside plate include substrate and the first side wall that each extends over out from the substrate opposite end and
Second sidewall, the first side wall, the substrate and the second sidewall are enclosed the groove for housing content；It is described
First end and the second end are separately positioned on the top and bottom of the groove.
Preferably, the reinforcing plate includes substrate reinforcing plate and each extends over out from the substrate reinforcing plate opposite end
The first side wall reinforcing plate and second sidewall reinforcing plate, the internal face of the substrate reinforcing plate are bonded weldering with the outside wall surface of the substrate
It connects, the internal face of the first side wall reinforcing plate is bonded welding with the outside wall surface of the first side wall, and the second sidewall is strengthened
The internal face of plate is bonded welding with the outside wall surface of the second sidewall.
Preferably, the cross-sectional shape matching of both the substrate and described substrate reinforcing plate.
Preferably, the second end of B column outside plates described in the reinforcing plate at least partial mulching, and extend to the B columns
The middle and lower part of outside plate.
Preferably, the B columns outside plate is made by ultrahigh-strength steel plates, and the carbon content of the ultrahigh-strength steel plates is
0.30~0.5%.
Preferably, the carbon content of the low carbon steel plate is less than 0.25%.
Furthermore it is preferred that the reinforcing plate is connect with the B columns outside plate by resistance spot welding.
The utility model also provides a kind of B columns, and the B columns include B columns outside plate assembly as described above.
The utility model also provides a kind of automobile, and the automobile includes B columns outside plate assembly as described above.
It is and existing from the above it can be seen that B columns outside plate assembly provided by the utility model and include its B columns, automobile
There is technology to compare, has the following advantages：The outside wall surface lower part that reinforcing plate is wrapped in B column outside plates needs to provide the region of deformation, comes
Enhance the toughness of above-mentioned zone, avoid passing through the toughness that annealing operation improves B column outside plate above-mentioned zones；Reinforcing plate uses mild steel
The technique of cold forming simplifies the manufacturing process of B columns, reduces production cost, lowers molding difficulty, and improves production efficiency.Even if B columns
Outside plate occurs to crack when being hit or be broken, but the reinforcing plate being coated on B column outside plates is maintained to integrality,
To meet the requirement of vehicle integrality.
Description of the drawings
By the way that embodiment is described below in conjunction with the accompanying drawings, the features described above and technological merit of the utility model will
It becomes more fully apparent and is readily appreciated that.
Fig. 1 is the schematic diagram of B column outside plate assemblies used in the utility model specific embodiment.
Fig. 2 is the decomposition diagram of B columns outside plate assembly shown in FIG. 1.
Fig. 3 is the sectional view of B columns outside plate assembly shown in FIG. 1.
Wherein reference numeral：
1：B column outside plates；11：Substrate；12：The first side wall；13：Second sidewall；
14：First end；15：Second end；
2：Reinforcing plate；21：Substrate reinforcing plate；22：The first side wall reinforcing plate；
23：Second sidewall reinforcing plate.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
With reference to attached drawing, the utility model is further described.Wherein identical parts are presented with like reference characters.It needs
Illustrate, word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to the side in attached drawing
To.The word " interior " used and " outer " are referred respectively to towards or away from the direction of particular elements geometric center.
Fig. 1 is the schematic diagram of B column outside plate assemblies used in the utility model specific embodiment.Fig. 2 is B shown in FIG. 1
The decomposition diagram of column outside plate assembly.Fig. 3 is the sectional view of B columns outside plate assembly shown in FIG. 1.As shown in Figure 1 to Figure 3, outside B columns
Plate assembly includes：B columns outside plate 1 and reinforcing plate 2.
B columns outside plate 1 includes the second end 15 for connecting first end 14 with roof and for being connect with underbody.
Reinforcing plate 2 is arranged on the second end 15 of B columns outside plate 1, and extends to first end 14, and reinforcing plate 2 is wrapped in B column outside plates
On 1, and the internal face of reinforcing plate 2 is bonded welding with the outside wall surface of B columns outside plate 1；Reinforcing plate 2 is by the low carbon steel plate system with toughness
It forms.
By setting reinforcing plate 2 on B columns outside plate 1, the outside wall surface lower part that reinforcing plate 2 is wrapped in B columns outside plate 1 needs to provide
The region of deformation to enhance the toughness of above-mentioned zone, avoids passing through the toughness that annealing operation improves 1 above-mentioned zone of B columns outside plate；I.e.
B columns outside plate 1 is made to occur to crack when being hit or be broken, but the reinforcing plate 2 being coated on B columns outside plate 1 remains able to protect
Integrality is held, to meet the requirement of vehicle integrality.Reinforcing plate 2 can improve the toughness of B column outside plates, and B column outside plate assemblies can expire
The requirement of foot collision rear integrality, simplifies the manufacturing process of B columns, reduces production cost, improve production efficiency.
To improve the intensity of B columns outside plate and B columns, improve impact resistance, it is preferable that B columns outside plate 1 include substrate 11 and from
The first side wall 12 and second sidewall 13 that 11 opposite end of substrate each extends over out, the first side wall 12, substrate 11 and second sidewall
13 are enclosed the groove (not identifying) for housing content (such as filling plate)；First end 14 and second end 15 are set respectively
In the top and bottom of groove.B columns outside plate 1 and B column inner panel (not shown) are oppositely arranged, and be connected as one, B column outside plates
Groove can be set on 1 and B column inner panels, plate is filled for installing, to improve the impact resistance of B columns.
In the present embodiment, the width of substrate 11 14 from middle part to first end, from middle part to second end 15 in gradually increase
Add；Substrate 11 faces out wall surface side protrusion by inner wall so that substrate 11 has radian；The first side wall 12 and second sidewall 13 are divided
Do not extend from the opposite both ends of substrate 11, and the free end of 13 the two of the first side wall 12 and second sidewall is both provided with welding
Side.
To realize that reinforcing plate is wrapped on B column outside plates, realize being fitted and connected for the two, increase the toughness of B column outside plates, in B
It when column outside plate cracks or is broken, remains to keep integrality, it is preferable that reinforcing plate 2 includes substrate reinforcing plate 21 and from substrate strengthens
The first side wall reinforcing plate 22 and second sidewall reinforcing plate 23 that 21 opposite end of plate each extends over out, the inner wall of substrate reinforcing plate 21
Face is bonded welding with the outside wall surface of substrate 11, and the internal face of the first side wall reinforcing plate 22 is bonded weldering with the outside wall surface of the first side wall 12
It connects, the internal face of second sidewall reinforcing plate 23 is bonded welding with the outside wall surface of second sidewall 13.The first side wall reinforcing plate 22, substrate
Reinforcing plate 21 and second sidewall reinforcing plate 23 are enclosed cladding groove, and cladding groove is used to be wrapped in the outside wall surface of B column outside plates
On, realize being fitted and connected for the two.
In the present embodiment, the width of substrate reinforcing plate 21 is in gradually increase from first end 14 to second end 15, the first side
Wall reinforcing plate 22 and second sidewall reinforcing plate 23 are extended respectively from the opposite both ends of substrate reinforcing plate 21, and the first side wall is strengthened
The free end of 23 the two of plate 22 and second sidewall reinforcing plate can be connected on welding edge.Fillet avoidance is provided on B column outside plates
Area, in the region, the internal face of reinforcing plate 2 is attached as far as possible close to B column outside plates, in addition to fillet avoids area, reinforcing plate 2
Internal face with the outside wall surface of B column outside plates be to be bonded welding.
To further improve the compactness of reinforcing plate and B plates stationed abroad, zero clearance fitting is realized, it is preferable that substrate 11 and base
The cross-sectional shape matching of both plate reinforcing plates 21.Mounting hole, the corresponding position of substrate reinforcing plate 21 are provided on substrate 11
It is provided with mounting hole.
In the present embodiment, the cross-sectional shape matching of both substrate 11 and substrate reinforcing plate 21 is, it can be achieved that be fitted and connected,
The first side wall reinforcing plate 22 and the cross-sectional shape approximate match of both the first side walls 12, second sidewall reinforcing plate 23 and the second side
The cross-sectional shape approximate match of both walls 13, substrate reinforcing plate 21 pass through the first side wall reinforcing plate 22 and second sidewall reinforcing plate
23 respectively with the first side wall 12 and second sidewall 13 is approximate is fitted and connected.
It gets off demand of the body structure to B column outside plate assemblies to meet different operating modes, it is preferable that reinforcing plate 2 is at least local
The second end 15 of B columns outside plate 1 is covered, and extends to the middle and lower part of B columns outside plate 1.The shape and size of reinforcing plate 2 can be according to B
The shape and size for needing deformed region of column outside plate 1 are configured, i.e., in the former area needed by annealing of B columns outside plate 1
Include reinforcing plate 2 on domain, to meet the body structure under various operating modes.In addition, the thickness of reinforcing plate 2 can be according to actual needs
It is selected, the thickness of usual reinforcing plate 2 is not more than the thickness of B columns outside plate 1.
B columns outside plate is still made of thermoforming process, but does not need to be made annealing treatment to improve toughness, further to carry
The intensity of high B columns outside plate, it is preferable that B columns outside plate 1 is made by ultrahigh-strength steel plates, and the carbon content of ultrahigh-strength steel plates is
0.30~0.5%.B column outside plates are made using ultrahigh-strength steel plates, higher stress, the carbon of ultrahigh-strength steel plates can be born
Content is 0.30~0.5%, and yield strength is more than 1180MPa, and tensile strength is more than 1380MPa, so that B columns bear to come from simultaneously
Covering for roofs and the pressure from car door；Simultaneously good weldability and formability are provided for B column outside plates.
To make B columns outside plate that there is good toughness, a degree of deformation can be born, while realize the fitting weldering of the two
It connects, it is preferable that the carbon content of low carbon steel plate is less than 0.25%.Low carbon steel plate has that intensity is low, and the advantages such as hardness is low, makes
Process is simple, and low carbon steel plate makes to form reinforcing plate 2 by cooling formation technic.
To improve the bonding strength of B columns outside plate and reinforcing plate, installation difficulty is reduced, furthermore it is preferred that reinforcing plate 2 and B columns
Outside plate 1 is connected by resistance spot welding.Resistance spot welding has many advantages, such as that finished product good integrity, welding quality are good, at low cost.
The use process of B column outside plate assemblies is described further below.
Reinforcing plate is set in the lower part of the outside wall surface of B column outside plates, reinforcing plate and B column outside plates are welded to connect to form B columns
Outside plate assembly.B columns outside plate is used to improve the intensity of B columns, and reinforcing plate is used to improve the toughness of B columns.When B column outside plate assemblies are hit
When hitting, reinforcing plate avoids B columns outside plate from cracking or be broken by self-deformation, ensures the integrality of B column outside plate assemblies.
The utility model also provides a kind of B columns, and the B columns include B columns outside plate assembly as described above.
The utility model also provides a kind of automobile, and the automobile includes B columns outside plate assembly as described above.
From the description above with practice it is found that B columns outside plate assembly provided by the utility model and include its B columns, automobile,
Compared with prior art, it has the following advantages：The outside wall surface lower part that reinforcing plate is wrapped in B column outside plates needs to provide the area of deformation
Domain to enhance the toughness of above-mentioned zone, avoids passing through the toughness that annealing operation improves B column outside plate above-mentioned zones；Reinforcing plate uses
The technique of mild steel cold forming simplifies the manufacturing process of B columns, reduces production cost, lowers molding difficulty, and improves production efficiency.
Even if B columns outside plate occurs to crack when being hit or be broken, but the reinforcing plate being coated on B column outside plates is maintained to
Integrality, to meet the requirement of vehicle integrality.
Those of ordinary skills in the art should understand that：The foregoing is merely specific embodiment of the utility model
, it is not intended to limit the utility model, all any modifications within the purport of the utility model, made, change equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of B columns outside plate assembly, including：B column outside plates, the B columns outside plate include the first end and use for being connect with roof
In the second end being connect with underbody；It is characterized in that, it further includes：
Reinforcing plate, the reinforcing plate is arranged on the second end of the B columns outside plate, and extends to the first end, described to add
Strong plate is wrapped on the B columns outside plate, and the internal face of the reinforcing plate is bonded welding with the outside wall surface of the B columns outside plate；Institute
Reinforcing plate is stated to be made by the low carbon steel plate with toughness.
2. B columns outside plate assembly according to claim 1, which is characterized in that
The first side wall and second sidewall that the B columns outside plate includes substrate and each extends over out from the substrate opposite end, institute
It states the first side wall, the substrate and the second sidewall and is enclosed groove for housing content；The first end and institute
State the top and bottom that second end is separately positioned on the groove.
3. B columns outside plate assembly according to claim 2, which is characterized in that
The first side wall that the reinforcing plate includes substrate reinforcing plate and each extended over out from the substrate reinforcing plate opposite end adds
Strong plate and second sidewall reinforcing plate, the internal face of the substrate reinforcing plate are bonded welding with the outside wall surface of the substrate, and described the
The internal face of one side wall reinforcing plate is bonded welding, the internal face of the second sidewall reinforcing plate with the outside wall surface of the first side wall
Welding is bonded with the outside wall surface of the second sidewall.
4. B columns outside plate assembly according to claim 3, which is characterized in that
The cross-sectional shape matching of both the substrate and the substrate reinforcing plate.
5. B columns outside plate assembly according to any one of claims 1 to 4, which is characterized in that
The second end of B column outside plates described in the reinforcing plate at least partial mulching, and under extending in the B columns outside plate
Portion.
6. B columns outside plate assembly according to any one of claims 1 to 4, which is characterized in that
The B columns outside plate is made by ultrahigh-strength steel plates, and the carbon content of the ultrahigh-strength steel plates is 0.30~0.5%.
7. B columns outside plate assembly according to any one of claims 1 to 4, which is characterized in that
The carbon content of the low carbon steel plate is less than 0.25%.
8. B columns outside plate assembly according to any one of claims 1 to 4, which is characterized in that
The reinforcing plate is connect with the B columns outside plate by resistance spot welding.
9. a kind of B columns, which is characterized in that the B columns include such as claim 1 to 8 any one of them B column outside plate assemblies.
10. a kind of automobile, which is characterized in that the automobile includes such as claim 1 to 8 any one of them B column outside plate assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721588635.3U CN207523792U (en) | 2017-11-24 | 2017-11-24 | B column outside plate assemblies and B columns, the automobile for including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721588635.3U CN207523792U (en) | 2017-11-24 | 2017-11-24 | B column outside plate assemblies and B columns, the automobile for including it |
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| Publication Number | Publication Date |
|---|---|
| CN207523792U true CN207523792U (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721588635.3U Active CN207523792U (en) | 2017-11-24 | 2017-11-24 | B column outside plate assemblies and B columns, the automobile for including it |
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| CN (1) | CN207523792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907604A (en) * | 2020-07-16 | 2020-11-10 | 苏州同捷汽车工程技术股份有限公司 | Lightweight automobile body B post additional strengthening |
-
2017
- 2017-11-24 CN CN201721588635.3U patent/CN207523792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907604A (en) * | 2020-07-16 | 2020-11-10 | 苏州同捷汽车工程技术股份有限公司 | Lightweight automobile body B post additional strengthening |
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