CN106585728B - Top beam structure at joint of B column of automobile - Google Patents

Top beam structure at joint of B column of automobile Download PDF

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Publication number
CN106585728B
CN106585728B CN201611269843.7A CN201611269843A CN106585728B CN 106585728 B CN106585728 B CN 106585728B CN 201611269843 A CN201611269843 A CN 201611269843A CN 106585728 B CN106585728 B CN 106585728B
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China
Prior art keywords
top beam
bracket
roof
plate
header
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CN106585728A (en
Inventor
肖淘
黄岗
雷仕赞
蔡卓琳
黄志平
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SAIC GM Wuling Automobile Co Ltd
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SAIC GM Wuling Automobile Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/06Fixed roofs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02Side panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/04Door pillars ; windshield pillars

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention is applicable to the field of automobile top beams, and provides a top beam structure at a joint of an automobile B column, which comprises a side outer plate, a side reinforcing plate connected with the side outer plate, a side inner plate connected with the side reinforcing plate, a top beam outer bracket arranged between the side reinforcing plate and the side inner plate, a top beam connected with the side reinforcing plate, the side inner plate and the top beam outer bracket, and a top beam inner bracket connected with the top beam. The technical problems that the compressive strength of the automobile top cover is insufficient, the deformation of the top beam at the joint of the B column is large when the top is pressed, the living space of passengers is insufficient, the rigidity of the top beam and the side wall mounting structure is discontinuous, the force transmission path is not optimized enough, the deformation is large during side collision, and the torsional rigidity of the top beam is insufficient are solved.

Description

Top beam structure at joint of B column of automobile
Technical Field
The invention belongs to the field of automobile top beams, and particularly relates to a top beam structure at a joint of an automobile B column.
Background
The top beam is an indispensable component of the vehicle body structure, and the quality of the installation structure of the top beam influences the rigidity and the strength of the vehicle body. Particularly, the top beam at the joint of the B column affects the performances such as side collision, top compression strength, snow pressure and the like. The section of the top beam at the joint of the existing B column is a U-shaped groove, and the top beam is directly lapped on the lap joint surface of the side wall and the top cover. The defects are mainly that: the cross section of the top beam is of an open structure, the torsional rigidity and the bending strength are poor, the compressive strength is insufficient, and the top beam is easy to deform under the stress; the top beam is only in line contact with the top cover for bearing, and a frame type surface for bearing is not formed; the top beam is only lapped on the top cover and is not connected with the side wall reinforcing plate, the rigidity and the strength are discontinuous, and the force transmission path is not optimized.
Disclosure of Invention
The invention aims to provide a top beam structure at a B column joint of an automobile, and aims to solve the technical problems that the top beam at the B column joint is large in deformation when the top of the automobile is pressed, the living space of passengers is insufficient, the rigidity of a top beam and side wall mounting structure is discontinuous, the force transmission path is not optimized enough, the deformation is large during side collision, and the torsional rigidity of the top beam is insufficient.
The invention is realized in such a way, and the top beam structure at the joint of the B column of the automobile comprises a side outer plate, a side reinforcing plate connected with the side outer plate, a side inner plate connected with the side reinforcing plate, a top beam outer bracket arranged between the side reinforcing plate and the side inner plate, a top beam connected with the side reinforcing plate, the side inner plate and the top beam outer bracket, and a top beam inner bracket connected with the top beam.
The invention further adopts the technical scheme that: the side wall reinforcing plate is of a T-shaped structure, and a cavity structure formed by the side wall outer plate and the side wall inner plate is matched with the side wall reinforcing plate.
The invention further adopts the technical scheme that: the top beam comprises a first top beam and a second top beam, the first top beam comprises a first cover plate and a first U-shaped beam, the first cover plate is covered on the upper end of the first U-shaped beam to form a cavity structure, the second top beam comprises a second cover plate and a second U-shaped beam, and the second cover plate is covered on the upper end of the second U-shaped beam to form a cavity structure.
The invention further adopts the technical scheme that: a first connecting beam and a second connecting beam are arranged between the first top beam and the second top beam, and the first top beam, the first connecting beam, the second top beam and the second connecting beam form a frame structure.
The invention further adopts the technical scheme that: the top beam outer support comprises a first top beam outer support and a second top beam outer support, and the first top beam outer support and the second top beam outer support are matched with the side wall reinforcing plate, the side wall inner plate and the top beam inner support for use.
The invention further adopts the technical scheme that: the top beam inner support comprises a first top beam inner support and a second top beam inner support, and the first top beam inner support and the second top beam inner support are matched with the side wall reinforcing plate, the side wall inner plate and the top beam outer support.
The invention further adopts the technical scheme that: the side wall reinforcing plate, the side wall inner plate, the top beam outer support and the top beam inner support are connected with the side wall outer plate through bolts.
The invention further adopts the technical scheme that: the inner support of the top beam is of a triangular arc structure, one end of the inner support of the top beam is connected with one end of the top beam, and the other end of the inner support of the top beam is connected with the side wall inner plate.
The beneficial effects of the invention are as follows: the compressive strength of the automobile top cover is improved, the deformation of the top beam of the B-pillar joint when the top is pressed is reduced, the living space of passengers is ensured, the top beam is continuous with a side wall structure, the force transmission path is optimized, the stress concentration is reduced, the side collision performance is improved, and the torsional rigidity of the top beam is improved.
Drawings
FIG. 1 is a block diagram of a header structure at a B-pillar joint of an automobile, according to an embodiment of the present invention;
FIG. 2 is a top beam structure diagram of a top beam structure at a joint of an automobile B-pillar according to an embodiment of the present invention;
FIG. 3 is a first header block diagram of a header structure at a B-pillar joint of an automobile, according to an embodiment of the present invention;
FIG. 4 is a second header block diagram of a header structure at a B-pillar joint of an automobile, according to an embodiment of the present invention;
FIG. 5 is a view of the roof rail structure at the joint of the B-pillar of the automobile from outside to inside according to the embodiment of the invention;
FIG. 6 is a view of the roof rail structure at the joint of the B-pillar of the automobile from inside to outside according to the embodiment of the invention;
fig. 7 is a cross-sectional view of a first header of a header structure at a B-pillar joint of an automobile, according to an embodiment of the present invention.
Detailed Description
Reference numerals: 1-side wall outer plate 2-side wall reinforcing plate 3-side wall inner plate 4-first top beam 5-second top beam 6-first connecting plate 7-second connecting plate 8-first outer bracket 9-second outer bracket 10-first inner bracket 11-second inner bracket 12-B column 13-first cover plate 14-first U-shaped beam 15-second cover plate 16-second U-shaped beam
Fig. 1-7 show a roof beam structure at a joint of a B pillar of an automobile, the roof beam structure comprises a side outer panel 1, a side reinforcing panel 2 connected with the side outer panel 1, a side inner panel 3 connected with the side reinforcing panel 2, a roof beam outer bracket arranged between the side reinforcing panel 2 and the side inner panel 3, a roof beam connected with the side reinforcing panel 2, the side inner panel 3 and the roof beam outer bracket, and a roof beam inner bracket connected with the roof beam. The compressive strength of the whole top beam is increased by adding the side wall reinforcing plate 2, the top beam outer support and the top beam inner support between the side wall outer plate 1 and the side wall inner plate 3, so that the compressive strength of the top beam is increased, and the top beam deformation is small by adopting the structure at the joint of the B column 12 when the top is pressed, and the space of passengers is increased.
The side wall reinforcing plate 2 is of a T-shaped structure, and a cavity structure formed by the side wall outer plate 1 and the side wall inner plate 3 is matched with the side wall reinforcing plate 2. In the selection of the side wall reinforcing plate 2, the side wall reinforcing plate can be selected to be of a T-shaped structure or a square structure, and no matter what structure is selected, the side wall reinforcing plate must be matched with the cavity structure formed by the side wall outer plate 1 and the side wall inner plate 3 in an idea, so that the rigidity and the strength of the reinforced B column 12 are improved.
The top beam comprises a first top beam 4 and a second top beam 5, the first top beam 4 comprises a first cover plate 13 and a first U-shaped beam 14, the first cover plate 13 is covered on the upper end of the first U-shaped beam 14 to form a cavity structure, the second top beam 5 comprises a second cover plate 15 and a second U-shaped beam 16, and the second cover plate 15 is covered on the upper end of the second U-shaped beam 16 to form a cavity structure. The first top beam 4 and the second top beam 5 both adopt new structures, and the torsional rigidity of the top beams can be increased by adopting the structures.
A first connecting beam 6 and a second connecting beam 7 are arranged between the first top beam 4 and the second top beam 5, and the first top beam 4, the first connecting beam 6, the second top beam 5 and the second connecting beam 7 form a frame structure. The first top beam 4 and the second top beam 5 are mainly connected by the first connecting beam 6 and the second connecting beam 7, so that the first top beam 4, the second top beam 5, the first connecting beam 6 and the second connecting beam 7 form a square frame structure, and the compressive strength of the top beams is further increased.
The top beam outer support comprises a first top beam outer support 8 and a second top beam outer support 9, and the first top beam outer support 8 and the second top beam outer support 9 are matched with the side wall reinforcing plate 2, the side wall inner plate 3 and the top beam inner support for use. The top beam inner brackets comprise a first top beam inner bracket 10 and a second top beam inner bracket 11, and the first top beam inner bracket 10 and the second top beam inner bracket 11 are matched with the side wall reinforcing plate 2, the side wall inner plate 3 and the top beam outer bracket for use. The number of the top beam outer brackets and the number of the top beam inner brackets are two respectively, the two top beam outer brackets are respectively arranged at two sides of the B column 12 to fix the first top beam 4 and the second top beam 5, and the two top beam inner brackets are respectively arranged at the inner sides of the first top beam 4 and the second top beam 5 to be matched with the two top beam outer brackets to fix the first top beam 4 and the second top beam 5.
The side wall reinforcing plate 2, the side wall inner plate 3, the top beam outer support and the top beam inner support are connected with the side wall outer plate 1 through bolts. The fixing is carried out through the bolts, so that the fixing and the dismounting of the top beam are convenient.
The top beam inner support is of a triangular arc structure, one end of the top beam inner support is connected with one end of the top beam, and the other end of the top beam inner support is connected with the side wall inner plate 3. The top beam inner support adopts an arc structure, flanges are formed at the two sides to increase the rigidity of parts, the upper end and the lower end are respectively connected with the top beam and the side wall inner plate 3 to form a stable triangular structure, the top beam inner support is connected with the top beam and the side wall inner plate 3 to also play a role in reinforcing the rigidity of a local cavity, and an inner reinforcing structural member and an outer reinforcing structural member are formed with the top beam outer support, so that the torsion rigidity of the whole vehicle and the local rigidity of the parts are greatly improved.
The roof beam structure at the joint of the B column 12 of the automobile improves the compressive strength of the roof of the automobile, reduces the deformation of the roof beam of the joint of the B column 12 when the top is pressed, ensures the living space of passengers, ensures the continuity of the roof beam and the side wall structure, optimizes the force transmission path, reduces the stress concentration, improves the side collision performance and improves the torsional rigidity of the roof beam.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (8)

1. The top beam structure at the joint of the automobile B column is characterized by comprising a side outer plate, a side reinforcing plate connected with the side outer plate, a side inner plate connected with the side reinforcing plate, a top beam outer support arranged between the side reinforcing plate and the side inner plate, a top beam connected with the side reinforcing plate, the side inner plate and the top beam outer support, and a top beam inner support connected with the top beam.
2. The header structure of claim 1, wherein said side gusset is a "T" shaped structure, and wherein a cavity formed by said side outer panel and said side inner panel matches said side gusset.
3. The roof beam structure of claim 2, wherein the roof beam includes a first roof beam and a second roof beam, the first roof beam includes a first apron and a first "U" beam, the first apron lid is located the first "U" beam upper end and forms the cavity structure, the second roof beam includes a second apron and a second "U" beam, the second apron lid is located the second "U" beam upper end and forms the cavity structure.
4. The roof beam structure of claim 3, wherein a first connection beam and a second connection beam are disposed between the first roof beam and the second roof beam, the first connection beam, the second roof beam, and the second connection beam forming a frame structure.
5. The roof rail structure of any one of claims 1-4, wherein the roof rail outer bracket comprises a first roof rail outer bracket and a second roof rail outer bracket, the first roof rail outer bracket and the second roof rail outer bracket being used in conjunction with the side rail gusset, the side rail inner panel, and the roof rail inner bracket.
6. The header structure of claim 5, wherein said header inner brackets include a first header inner bracket and a second header inner bracket, said first header inner bracket and said second header inner bracket being used in conjunction with said side gusset, said side gusset inner panel and said header outer bracket.
7. The header structure of claim 6, wherein said side gusset, said side gusset inner panel, said header outer bracket and said header inner bracket are connected to said side gusset outer panel by bolts.
8. The roof rail structure of claim 7, wherein the roof rail inner bracket has a triangular arc structure, one end of the roof rail inner bracket is connected to one end of the roof rail, and the other end of the roof rail inner bracket is connected to the side inner panel.
CN201611269843.7A 2016-12-30 2016-12-30 Top beam structure at joint of B column of automobile Active CN106585728B (en)

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CN201611269843.7A CN106585728B (en) 2016-12-30 2016-12-30 Top beam structure at joint of B column of automobile

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CN106585728B true CN106585728B (en) 2023-09-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115158473B (en) * 2022-07-29 2023-10-27 重庆长安汽车股份有限公司 Side wall structure of passenger car

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11192969A (en) * 1997-12-29 1999-07-21 Daihatsu Motor Co Ltd Lower side part reinforcing structure for automobile body
CN201534569U (en) * 2009-10-16 2010-07-28 上汽通用五菱汽车股份有限公司 Top beam structure for improving intensity of top cap
CN103538639A (en) * 2013-11-01 2014-01-29 上汽通用五菱汽车股份有限公司 Rear side outer plate welding assembly
CN104960579A (en) * 2015-06-25 2015-10-07 奇瑞汽车股份有限公司 D-column structure for automobile and D-column structure manufacturing method
CN204978864U (en) * 2015-08-31 2016-01-20 上汽通用汽车有限公司 Automobile back timber assembly
CN206501899U (en) * 2016-12-30 2017-09-19 上汽通用五菱汽车股份有限公司 A kind of beam structure of automobile B-column joint

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11192969A (en) * 1997-12-29 1999-07-21 Daihatsu Motor Co Ltd Lower side part reinforcing structure for automobile body
CN201534569U (en) * 2009-10-16 2010-07-28 上汽通用五菱汽车股份有限公司 Top beam structure for improving intensity of top cap
CN103538639A (en) * 2013-11-01 2014-01-29 上汽通用五菱汽车股份有限公司 Rear side outer plate welding assembly
CN104960579A (en) * 2015-06-25 2015-10-07 奇瑞汽车股份有限公司 D-column structure for automobile and D-column structure manufacturing method
CN204978864U (en) * 2015-08-31 2016-01-20 上汽通用汽车有限公司 Automobile back timber assembly
CN206501899U (en) * 2016-12-30 2017-09-19 上汽通用五菱汽车股份有限公司 A kind of beam structure of automobile B-column joint

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