CN115923940A - B stand assembly structure and car - Google Patents
B stand assembly structure and car Download PDFInfo
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- CN115923940A CN115923940A CN202211170867.2A CN202211170867A CN115923940A CN 115923940 A CN115923940 A CN 115923940A CN 202211170867 A CN202211170867 A CN 202211170867A CN 115923940 A CN115923940 A CN 115923940A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention belongs to the technical field of safe driving of automobiles, and particularly relates to a B stand column assembly structure which comprises an inner plate assembly and a reinforcement assembly, wherein the inner plate assembly comprises an upper inner plate and a lower inner plate, the yield strength of the upper inner plate is greater than that of the lower inner plate, the elongation rate of the upper inner plate is smaller than that of the lower inner plate, the reinforcement assembly comprises a reinforcement plate and an anti-collision tubular beam fixedly arranged on the reinforcement plate, the anti-collision tubular beam is columnar, the anti-collision tubular beam is positioned between the inner plate assembly and the reinforcement plate, and the reinforcement plate is fixedly connected with the inner plate assembly. The purpose is as follows: the mode that the self-closed columnar anti-collision tubular beam with the cross-section structure is arranged in the B stand column assembly structure with the limited cavity size is used for replacing a plurality of sheet-shaped reinforcing pieces in the cavity of the B stand column assembly, and the side collision performance of the B stand column assembly can be greatly improved while the lap joint matching structure between parts in the cavity of the B stand column assembly is simplified and optimized in weight balance.
Description
Technical Field
The invention belongs to the technical field of automobile safe driving, and particularly relates to a B stand column assembly structure and an automobile.
Background
A chinese utility model patent (publication number: CN 201989859U) discloses a B pillar structure of an automobile. The B upright post assembly structure is composed of an outer plate and an inner plate, a plurality of reinforcing pieces are vertically arranged between the outer plate and the inner plate, the mechanical strength of the positions below the H point of the automobile corresponding to the hip position of a human body is weakened by the reinforcing pieces, the mechanical strength of the positions above the H point corresponding to the chest and the abdomen of the human body is strengthened, and the safety of the main part of the human body, the chest and the abdomen can be ensured. The B-pillar assembly structure in the prior art can play a role in supporting and absorbing energy for a passenger compartment when a side collision occurs to an automobile, plays an important role in reducing the intrusion speed of an automobile body into the automobile when the automobile body deforms, reducing the intrusion amount of the automobile structure into the automobile, ensuring the safety of drivers and passengers in the passenger compartment and the like, and is a good solution for the side collision of the automobile in the current version of the Chinese new automobile evaluation code (C-NCAP).
The problems that exist are that: with the increasing demands of consumers on the safety of automobiles and the tightening of crash regulations, the background art has been unable to meet the increasingly stringent performance requirements for side crash tests. The test conditions for the side collision of the automobile in the latest version of Chinese New vehicle evaluation code (C-NCAP) are adjusted, compared with the existing evaluation code, the weight of the side collision barrier is increased from 1400kg to 1700kg, the impact speed of the barrier is increased from 50km/h to 60km/h, and the impact energy of the side collision is increased by about 75 percent. Meanwhile, the ground clearance of the barrier in the side collision is increased by 50mm, and the width of the barrier is increased by 115mm, so that when a vehicle is tested in the side collision, compared with the prior test mode, the doorsill structure of the vehicle cannot be in contact with the barrier, the collision area of the barrier is completely concentrated in the B stand column structure and the door area of the vehicle, and the capability of bearing collision energy of the B stand column assembly structure must be improved in terms of the design aspect of the vehicle body structure.
The structural strength of the B upright post assembly is improved in a mode of increasing the size of a cavity of the B upright post assembly and is difficult to realize due to the limitation of the sizes of the front door frame opening and the rear door frame opening and the requirements of the in-and-out space of the door frame; for the prior art, the strength of the B-column assembly structure is required to be greatly improved, the number of reinforcing parts is increased, the material grade of parts is improved, and the material thickness of the parts is improved in a limited B-column cavity structure, so that the overall weight and the part cost of the B-column assembly are increased undoubtedly, and the trend of the whole vehicle light weight is against that. Therefore, how to find a novel B-pillar assembly structure meets the requirements of the latest version of the chinese new car evaluation code (C-NCAP) on the side collision performance, and at the same time, balances multiple indexes such as performance, weight, cost, and the like, is an important issue that needs to be solved in the front of the car body design engineer.
Disclosure of Invention
The purpose of the invention is: the mode that the self-closed columnar anti-collision tubular beam with the cross-section structure is arranged inside the B stand column assembly structure with the limited cavity size replaces a plurality of sheet-shaped reinforcing pieces inside the cavity of the B stand column assembly, and the side collision performance of the B stand column assembly can be greatly improved while the lap joint matching structure between parts inside the cavity of the B stand column assembly is simplified and optimized in weight balance.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a B stand assembly structure, includes inner panel assembly and reinforcement assembly, the inner panel assembly includes inner panel and lower inner panel, the yield strength who goes up the inner panel is greater than the yield strength of inner panel down, the percentage elongation of going up the inner panel is less than the percentage elongation of inner panel down, the reinforcement assembly includes reinforcing plate and fixed mounting anticollision tubular beams on the reinforcing plate, anticollision tubular beams is the column, anticollision tubular beams is located between inner panel assembly and the reinforcing plate, reinforcing plate and inner panel assembly fixed connection.
Further inject, the cross section of reinforcing plate and inner panel assembly all is "nearly" type, the reinforcing plate surrounds with the inner panel assembly and is the cavity structure, crashproof tubular beams is located the cavity structure. Such structural design holds anticollision tubular beams to the cavity structure, can strengthen B stand assembly structure's crashproof performance under the condition of the outside shape that does not change B stand assembly structure, need not to change with other automobile parts of B stand assembly structure assorted, can reduce design cost, and the practicality is stronger.
Further inject, the equal integrated into one piece in both sides of inner panel assembly has an inner panel tang limit, the equal integrated into one piece in both sides of reinforcing plate has a reinforcing plate tang limit, inner panel tang limit and reinforcing plate tang limit welding. By means of the structural design, the reinforcing plate is fixedly connected with the inner plate assembly by welding the inner plate spigot edge and the reinforcing plate spigot edge, and the structure is simple, large in connecting area and strong in stability.
Further inject, anticollision tubular beams from the top down includes connecting portion, anticollision tubular beams this portion and connecting portion under the anticollision tubular beams on the anticollision tubular beams, the cross-section of anticollision tubular beams this portion is circular. Due to the structural design, the bending modulus of the section of the circular section is higher, and the capacity of resisting collision deformation of the anti-collision tubular beam can be further improved.
Further limit, the anticollision tubular beams are formed by bending hollow thin-wall high-strength columnar tubular beams. Such structural design, anticollision tubular beams wholly adopt hollow structural style, are favorable to realizing the lightweight of structure, and the practicality is stronger.
Further limit, the radian of buckling of anticollision tubular beams and the radian of buckling of reinforcing plate phase-match. Due to the structural design, the anti-collision tubular beams are arranged inside the cavity of the B stand column assembly structure, the arrangement space of the B stand column assembly structure relative to the whole vehicle is saved, and the practicability is high.
Further inject, the cross section of anticollision tubular beams upper junction and anticollision tubular beams lower junction is flat circular-arc. Such structural design does benefit to the area of being connected of increase anticollision tubular beams and last connecting piece and lower connecting piece on the one hand, improves joint strength, and on the other hand is convenient for the location of anticollision tubular beams when the shaping of buckling, and the practicality is stronger.
Further inject, fixed mounting has last connecting piece and lower connecting piece on the reinforcing plate, crashproof tubular beams passes through upper connecting piece, lower connecting piece and reinforcing plate fixed connection. Such structural design accomplishes the fixed connection between crashproof tubular beams and the reinforcing plate through last connecting piece and lower connecting piece, plays support and external force transmission effect to crashproof tubular beams, simple structure, and processing is convenient, and the practicality is stronger.
Further limiting, the upper connecting piece comprises an upper connecting piece connecting part, a first groove is formed in the upper connecting piece connecting part, and the upper connecting part of the anti-collision tubular beam is positioned in the first groove and welded with the upper connecting piece connecting part; the lower connecting piece comprises a lower connecting piece connecting portion, a second groove is formed in the lower connecting piece connecting portion, and the lower connecting portion of the anti-collision tubular beam is located in the second groove and welded with the lower connecting piece connecting portion. According to the structural design, the first groove matched with the upper connecting part of the anti-collision tubular beam is arranged on the upper connecting part of the upper connecting piece, so that the upper connecting piece and the anti-collision tubular beam are positioned; through set up on the connecting portion of lower connecting piece with crashproof tubular beams connecting portion assorted second recess down, accomplish down the location between connecting piece and the crashproof tubular beams, simple structure, processing is convenient, and the practicality is stronger.
Further inject, the equal integrated into one piece in both sides of going up connecting piece connecting portion has the connecting piece side to connect the limit, go up the connecting piece side and connect limit and reinforcing plate welding, the equal integrated into one piece in both sides of connecting piece connecting portion has the connecting piece side to connect the limit down, the connecting piece side is connected the limit and is welded with the reinforcing plate down. By the structural design, the reinforcing plate is fixedly connected with the upper connecting piece by welding the connecting edge at the side of the upper connecting piece with the reinforcing plate; the welding of limit and reinforcing plate is connected through connecting piece side down, accomplishes reinforcing plate and connecting piece fixed connection down, simple structure, and area of connection is big, and the steadiness is strong.
Further inject, go up the inner panel and include connecting portion under the upper inner panel, the inner panel includes connecting portion on the lower inner panel down, connecting portion and upper inner panel lower connecting portion are connected, just are located upper inner panel lower connecting portion and keep away from reinforcing plate one side on the lower inner panel. According to the structural design, the upper inner plate and the lower inner plate are in lap joint with the upper connecting part of the lower inner plate through the lower connecting part of the upper inner plate, the structure is simple, and the installation is convenient.
Further defined, the reinforcing plate is of an inverted T-shaped integral structure. By means of the structural design, the installation points outside the B stand column assembly structure can be guaranteed to be integrated on the reinforcing plate, the relative size and the position precision of each installation point outside the B stand column assembly are guaranteed, and the practicability is high.
The utility model provides an automobile, includes side wall roof side rail inner panel, threshold boundary beam inner panel, side wall roof side rail planking, threshold boundary beam planking and foretell B stand assembly structure, it includes upper inner panel upper junction portion to go up the inner panel, side wall roof side rail inner panel is connected with upper inner panel upper junction portion, the inner panel includes inner panel lower junction portion down, threshold boundary beam inner panel is connected with inner panel lower junction portion down, the reinforcing plate includes connecting portion and reinforcing plate lower junction portion on the reinforcing plate, the side is enclosed the roof side rail planking and is connected with connecting portion on the reinforcing plate, threshold boundary beam planking is connected with connecting portion under the reinforcing plate.
The invention adopting the technical scheme has the advantages that:
1. the mode that the self-closed columnar anti-collision tubular beam with the cross-section structure is arranged in the B stand column assembly structure with the limited cavity size is used for replacing a plurality of sheet-shaped reinforcing pieces in the cavity of the B stand column assembly, and the side collision performance of the B stand column assembly can be greatly improved while the lap joint matching structure between parts in the cavity of the B stand column assembly is simplified and optimized in weight balance; compared with the scheme that the section size of the B upright post assembly is increased, the number of reinforcing pieces inside a cavity of the B upright post assembly is increased, and the material grade or material thickness of each component part of the B upright post assembly is improved on the basis of the prior art, the invention has the advantages of simple structure, high performance improvement range, obvious overall advantages of weight and cost and the like;
2. the inner plate assembly is divided into an upper inner plate with yield strength larger than that of a lower inner plate and a lower inner plate with elongation larger than that of the upper inner plate, so that the purpose of realizing soft and hard zoning of the B stand column assembly in the vertical direction is realized, namely, the lower end of the structural section needs to select a material with slightly higher elongation according to a simulation result, so that the B stand column assembly preferentially deforms and absorbs energy corresponding to the area below the H point of the whole vehicle in the side collision process, and the impact energy to the part above the H point is reduced; the upper end of the structural section is made of a material with slightly high yield strength according to the simulation result, so that the deformation resistance of the B upright post assembly corresponding to the area above the H point of the whole vehicle is enhanced in the side collision process, the deformation invasion amount of the area above the H point of the B upright post assembly is reduced, and the injury of side collision to passengers in the vehicle is reduced as much as possible;
3. the anti-collision tubular beam is accommodated by the cavity structure, so that the anti-collision performance of the B stand column assembly structure can be enhanced under the condition that the external shape of the B stand column assembly structure is not changed, other automobile parts matched with the B stand column assembly structure are not required to be changed, the design cost can be reduced, and the practicability is high;
4. the cross section of the main part of the anti-collision tubular beam is set to be circular, and the anti-collision tubular beam can further improve the capacity of resisting collision deformation by utilizing the characteristic of larger bending modulus of the section of the circular cross section;
5. the whole anti-collision tubular beam adopts a hollow structural form, so that the lightweight structure is favorably realized, and the practicability is stronger;
6. the cross sections of the upper connecting part and the lower connecting part of the anti-collision tubular beam are flat and arc-shaped, so that the connecting area of the anti-collision tubular beam with the upper connecting piece and the lower connecting piece is increased, the connecting strength is improved, the anti-collision tubular beam is convenient to position during bending and forming, and the practicability is high;
7. the fixed connection between the anti-collision tubular beam and the reinforcing plate is completed through the upper connecting piece and the lower connecting piece, the anti-collision tubular beam is supported and has an external force transmission effect, the structure is simple, the processing is convenient, and the practicability is strong;
8. the upper connecting piece is connected with the upper connecting part of the anti-collision tubular beam through a first groove; through set up on the connecting portion of lower connecting piece with crashproof tubular beams connecting portion assorted second recess down, accomplish down the location between connecting piece and the crashproof tubular beams, simple structure, processing is convenient, and the practicality is stronger.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural view of a B-pillar assembly structure and an automotive embodiment of the present invention;
FIG. 2 isbase:Sub>A schematic cross-sectional view of the cross-section A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the cross-section at B-B in FIG. 1;
FIG. 4 is a schematic diagram of an exploded structure of a B-pillar assembly structure and an automobile according to an embodiment of the present invention;
FIG. 5 is a schematic view of a B pillar assembly structure and a partial structure of an inner panel assembly in an embodiment of an automobile according to the present invention;
FIG. 6 is a schematic view of a B-pillar assembly structure and a reinforcement assembly portion of an exemplary embodiment of a vehicle according to the present invention;
FIG. 7 is a schematic view of a B-pillar assembly structure and a partial structure of an impact beam assembly in an embodiment of an automobile according to the present invention;
FIG. 8 is a schematic view of a B-pillar assembly structure and a structural view of an impact beam portion in an embodiment of an automobile according to the present invention;
FIG. 9 is a cross-sectional view of the cross-section at C-C of FIG. 8;
the main element symbols are as follows:
an upper inner plate 1, an upper inner plate upper connecting part 11, an upper inner plate lower connecting part 12,
A lower inner panel 2, a lower inner panel upper connecting portion 21, a lower inner panel lower connecting portion 22,
A reinforcing plate 3, a reinforcing plate upper connecting part 31, a reinforcing plate spigot edge 32, a reinforcing plate lower connecting part 33,
An upper connecting member 4, an upper connecting member connecting portion 41, an upper connecting member side connecting edge 42,
An anti-collision tubular beam 5, an anti-collision tubular beam upper connecting part 51, an anti-collision tubular beam main part 52, an anti-collision tubular beam lower connecting part 53,
A lower connecting piece 6, a lower connecting piece connecting part 61, a lower connecting piece side connecting edge 62,
Inner plate assembly 7, inner plate tang edge 70.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.
The first embodiment is as follows:
the utility model provides a B stand assembly structure, including inner panel assembly 7 and reinforcement assembly, inner panel assembly 7 includes inner panel 1 and lower inner panel 2, the yield strength of going up inner panel 1 is greater than the yield strength of inner panel 2 down, the percentage elongation of going up inner panel 1 is less than the percentage elongation of inner panel 2 down, the reinforcement assembly includes reinforcing plate 3 and fixed mounting crashproof tubular beams 5 on reinforcing plate 3, crashproof tubular beams 5 are the column, crashproof tubular beams 5 are located between inner panel assembly 7 and reinforcing plate 3, reinforcing plate 3 and inner panel assembly 7 fixed connection.
In the embodiment, a self-closed columnar anti-collision tubular beam with a cross-section structure is arranged in the B stand column assembly structure with a limited cavity size to replace a plurality of sheet-shaped reinforcing pieces in the cavity of the B stand column assembly, so that the side collision performance of the B stand column assembly can be greatly improved while the lap joint matching structure between parts in the cavity of the B stand column assembly is simplified and optimized in weight balance; compared with the scheme that the section size of the B upright post assembly is increased, the number of reinforcing pieces inside a cavity of the B upright post assembly is increased, and the material grade or material thickness of each component part of the B upright post assembly is improved on the basis of the prior art, the invention has the advantages of simple structure, high performance improvement range, obvious overall advantages of weight and cost and the like;
the inner plate assembly is divided into an upper inner plate with yield strength larger than that of a lower inner plate and a lower inner plate with elongation larger than that of the upper inner plate, so that the purpose of realizing soft and hard zoning of the B stand column assembly in the vertical direction is realized, namely, the lower end of the structural section needs to select a material with slightly higher elongation according to a simulation result, so that the B stand column assembly preferentially deforms and absorbs energy corresponding to the area below the H point of the whole vehicle in the side collision process, and the impact energy to the part above the H point is reduced; the upper end of the structural section is made of a material with slightly high yield strength according to simulation results, so that in the side collision process, the deformation resistance of the B stand column assembly corresponding to the area above the H point of the whole vehicle is enhanced, the deformation invasion amount of the area above the H point of the B stand column assembly is reduced, and the injury of side collision to passengers in the vehicle is reduced as much as possible.
Example two:
a B pillar assembly structure comprises an inner plate assembly 7 and a reinforcement assembly, wherein the inner plate assembly 7 comprises an upper inner plate 1 and a lower inner plate 2, the yield strength of the upper inner plate 1 is greater than that of the lower inner plate 2, the elongation of the upper inner plate 1 is smaller than that of the lower inner plate 2, the reinforcement assembly comprises a reinforcement plate 3 and an anti-collision tubular beam 5 fixedly mounted on the reinforcement plate 3, the anti-collision tubular beam 5 is columnar, the anti-collision tubular beam 5 is located between the inner plate assembly 7 and the reinforcement plate 3, and the reinforcement plate 3 is fixedly connected with the inner plate assembly 7;
the cross sections of the reinforcing plate 3 and the inner plate assembly 7 are in a 'U' shape, the reinforcing plate 3 and the inner plate assembly 7 are enclosed to form a cavity structure, and the anti-collision tubular beam 5 is positioned in the cavity structure;
inner plate seam allowance edges 70 are integrally formed on two sides of the inner plate assembly 7, reinforcing plate seam allowance edges 32 are integrally formed on two sides of the reinforcing plate 3, and the inner plate seam allowance edges 70 are welded with the reinforcing plate seam allowance edges 32;
the anti-collision tubular beam 5 comprises an anti-collision tubular beam upper connecting part 51, an anti-collision tubular beam body part 52 and an anti-collision tubular beam lower connecting part 53 from top to bottom, and the cross section of the anti-collision tubular beam body part 52 is circular;
the upper inner plate 1 comprises an upper inner plate lower connecting part 12, the lower inner plate 2 comprises a lower inner plate upper connecting part 21, and the lower inner plate upper connecting part 21 is connected with the upper inner plate lower connecting part 12 and is positioned on one side of the upper inner plate lower connecting part 12, which is far away from the reinforcing plate 3;
the reinforcing plate 3 is of an inverted T-shaped integral structure.
Example three:
a B pillar assembly structure comprises an inner plate assembly 7 and a reinforcement assembly, wherein the inner plate assembly 7 comprises an upper inner plate 1 and a lower inner plate 2, the yield strength of the upper inner plate 1 is greater than that of the lower inner plate 2, the elongation of the upper inner plate 1 is smaller than that of the lower inner plate 2, the reinforcement assembly comprises a reinforcement plate 3 and an anti-collision tubular beam 5 fixedly installed on the reinforcement plate 3, the anti-collision tubular beam 5 is columnar, the anti-collision tubular beam 5 is located between the inner plate assembly 7 and the reinforcement plate 3, and the reinforcement plate 3 is fixedly connected with the inner plate assembly 7;
anticollision tubular beams 5 from the top down includes crashproof tubular beams upper junction portion 51, crashproof tubular beams this portion 52 and crashproof tubular beams lower junction portion 53, and crashproof tubular beams this portion 52 transversal personally submits circularly, and crashproof tubular beams 5 is by the shaping of buckling of hollow thin wall high strength column tubular beams, and the radian of buckling of crashproof tubular beams 5 and reinforcing plate 3 buckle the radian phase-match.
Example four:
a B pillar assembly structure comprises an inner plate assembly 7 and a reinforcement assembly, wherein the inner plate assembly 7 comprises an upper inner plate 1 and a lower inner plate 2, the yield strength of the upper inner plate 1 is greater than that of the lower inner plate 2, the elongation of the upper inner plate 1 is smaller than that of the lower inner plate 2, the reinforcement assembly comprises a reinforcement plate 3 and an anti-collision tubular beam 5 fixedly installed on the reinforcement plate 3, the anti-collision tubular beam 5 is columnar, the anti-collision tubular beam 5 is located between the inner plate assembly 7 and the reinforcement plate 3, and the reinforcement plate 3 is fixedly connected with the inner plate assembly 7;
the anti-collision tubular beam 5 comprises an anti-collision tubular beam upper connecting part 51, an anti-collision tubular beam body part 52 and an anti-collision tubular beam lower connecting part 53 from top to bottom, and the cross section of the anti-collision tubular beam body part 52 is circular;
the cross sections of the upper connecting part 51 and the lower connecting part 53 of the anti-collision tubular beam are in a flat arc shape;
an upper connecting piece 4 and a lower connecting piece 6 are fixedly arranged on the reinforcing plate 3, and the anti-collision tubular beam 5 is fixedly connected with the reinforcing plate 3 through the upper connecting piece 4 and the lower connecting piece 6;
the upper connecting piece 4 comprises an upper connecting piece connecting part 41, a first groove is arranged on the upper connecting piece connecting part 41, and the anti-collision tubular beam upper connecting part 51 is positioned in the first groove and welded with the upper connecting piece connecting part 41; the lower connecting piece 6 comprises a lower connecting piece connecting part 61, a second groove is arranged on the lower connecting piece connecting part 61, and the lower connecting part 53 of the anti-collision tubular beam is positioned in the second groove and welded with the lower connecting piece connecting part 61;
the both sides of going up connecting piece connecting portion 41 all integrated into one piece have connecting edge 42 on the connecting piece side, go up connecting piece side and connect edge 42 and reinforcing plate 3 welding, the equal integrated into one piece in both sides of lower connecting piece connecting portion 61 has connecting piece side down and connects edge 62, and connecting piece side down connects edge 62 and reinforcing plate 3 welding.
Example five:
a B pillar assembly structure comprises an inner plate assembly 7 and a reinforcement assembly, wherein the inner plate assembly 7 comprises an upper inner plate 1 and a lower inner plate 2, the yield strength of the upper inner plate 1 is greater than that of the lower inner plate 2, the elongation of the upper inner plate 1 is smaller than that of the lower inner plate 2, the reinforcement assembly comprises a reinforcement plate 3 and an anti-collision tubular beam 5 fixedly mounted on the reinforcement plate 3, the anti-collision tubular beam 5 is columnar, the anti-collision tubular beam 5 is located between the inner plate assembly 7 and the reinforcement plate 3, and the reinforcement plate 3 is fixedly connected with the inner plate assembly 7;
inner plate seam allowance edges 70 are integrally formed on two sides of the inner plate assembly 7, reinforcing plate seam allowance edges 32 are integrally formed on two sides of the reinforcing plate 3, and the inner plate seam allowance edges 70 are welded with the reinforcing plate seam allowance edges 32;
the anti-collision tubular beam 5 comprises an anti-collision tubular beam upper connecting part 51, an anti-collision tubular beam body part 52 and an anti-collision tubular beam lower connecting part 53 from top to bottom, and the cross section of the anti-collision tubular beam body part 52 is circular;
the anti-collision tubular beam 5 is formed by bending a hollow thin-wall high-strength columnar tubular beam;
the bending radian of the anti-collision tubular beam 5 is matched with that of the reinforcing plate 3;
the cross sections of the upper connecting part 51 and the lower connecting part 53 of the anti-collision tubular beam are in a flat arc shape;
an upper connecting piece 4 and a lower connecting piece 6 are fixedly arranged on the reinforcing plate 3, and the anti-collision tubular beam 5 is fixedly connected with the reinforcing plate 3 through the upper connecting piece 4 and the lower connecting piece 6;
the upper connecting piece 4 comprises an upper connecting piece connecting part 41, a first groove is arranged on the upper connecting piece connecting part 41, and the upper connecting part 51 of the anti-collision tubular beam is positioned in the first groove and welded with the upper connecting piece connecting part 41; the lower connecting piece 6 comprises a lower connecting piece connecting part 61, a second groove is arranged on the lower connecting piece connecting part 61, and the lower connecting part 53 of the anti-collision tubular beam is positioned in the second groove and welded with the lower connecting piece connecting part 61;
upper connecting piece side connecting edges 42 are integrally formed on two sides of the upper connecting piece connecting part 41, the upper connecting piece side connecting edges 42 are welded with the reinforcing plate 3, lower connecting piece side connecting edges 62 are integrally formed on two sides of the lower connecting piece connecting part 61, and the lower connecting piece side connecting edges 62 are welded with the reinforcing plate 3;
the upper inner plate 1 comprises an upper inner plate lower connecting portion 12, the lower inner plate 2 comprises a lower inner plate upper connecting portion 21, and the lower inner plate upper connecting portion 21 is connected with the upper inner plate lower connecting portion 12 and is located on one side, away from the reinforcing plate 3, of the upper inner plate lower connecting portion 12.
Example six:
a B pillar assembly structure comprises an inner plate assembly 7 and a reinforcement assembly, wherein the inner plate assembly 7 comprises an upper inner plate 1 and a lower inner plate 2, the yield strength of the upper inner plate 1 is greater than that of the lower inner plate 2, the elongation of the upper inner plate 1 is smaller than that of the lower inner plate 2, the reinforcement assembly comprises a reinforcement plate 3 and an anti-collision tubular beam 5 fixedly installed on the reinforcement plate 3, the anti-collision tubular beam 5 is columnar, the anti-collision tubular beam 5 is located between the inner plate assembly 7 and the reinforcement plate 3, and the reinforcement plate 3 is fixedly connected with the inner plate assembly 7;
the anti-collision tubular beam 5 comprises an upper anti-collision tubular beam connecting part 51, a main anti-collision tubular beam part 52 and a lower anti-collision tubular beam connecting part 53 from top to bottom, and the cross section of the main anti-collision tubular beam part 52 is circular;
the anti-collision tubular beam 5 is formed by bending a hollow thin-wall high-strength columnar tubular beam;
the bending radian of the anti-collision tubular beam 5 is matched with that of the reinforcing plate 3;
the cross sections of the upper connecting part 51 and the lower connecting part 53 of the anti-collision tubular beam are in a flat arc shape;
an upper connecting piece 4 and a lower connecting piece 6 are fixedly arranged on the reinforcing plate 3, and the anti-collision tubular beam 5 is fixedly connected with the reinforcing plate 3 through the upper connecting piece 4 and the lower connecting piece 6;
the upper connecting piece 4 comprises an upper connecting piece connecting part 41, a first groove is arranged on the upper connecting piece connecting part 41, and the anti-collision tubular beam upper connecting part 51 is positioned in the first groove and welded with the upper connecting piece connecting part 41; the lower connecting piece 6 comprises a lower connecting piece connecting part 61, a second groove is arranged on the lower connecting piece connecting part 61, and the lower connecting part 53 of the anti-collision tubular beam is positioned in the second groove and welded with the lower connecting piece connecting part 61;
upper connecting piece side connecting edges 42 are integrally formed on two sides of the upper connecting piece connecting part 41, the upper connecting piece side connecting edges 42 are welded with the reinforcing plate 3, lower connecting piece side connecting edges 62 are integrally formed on two sides of the lower connecting piece connecting part 61, and the lower connecting piece side connecting edges 62 are welded with the reinforcing plate 3;
the upper inner plate 1 comprises an upper inner plate lower connecting part 12, the lower inner plate 2 comprises a lower inner plate upper connecting part 21, and the lower inner plate upper connecting part 21 is connected with the upper inner plate lower connecting part 12 and is positioned on one side of the upper inner plate lower connecting part 12, which is far away from the reinforcing plate 3;
the reinforcing plate 3 is of an inverted T-shaped integral structure.
Example seven:
a B pillar assembly structure comprises an inner plate assembly 7 and a reinforcement assembly, wherein the inner plate assembly 7 comprises an upper inner plate 1 and a lower inner plate 2, the yield strength of the upper inner plate 1 is greater than that of the lower inner plate 2, the elongation of the upper inner plate 1 is smaller than that of the lower inner plate 2, the reinforcement assembly comprises a reinforcement plate 3 and an anti-collision tubular beam 5 fixedly installed on the reinforcement plate 3, the anti-collision tubular beam 5 is columnar, the anti-collision tubular beam 5 is located between the inner plate assembly 7 and the reinforcement plate 3, and the reinforcement plate 3 is fixedly connected with the inner plate assembly 7;
the cross sections of the reinforcing plate 3 and the inner plate assembly 7 are in a 'Pi' shape, the reinforcing plate 3 and the inner plate assembly 7 are enclosed to form a cavity structure, and the anti-collision tubular beam 5 is positioned in the cavity structure;
inner plate seam allowance edges 70 are integrally formed on two sides of the inner plate assembly 7, reinforcing plate seam allowance edges 32 are integrally formed on two sides of the reinforcing plate 3, and the inner plate seam allowance edges 70 are welded with the reinforcing plate seam allowance edges 32;
the anti-collision tubular beam 5 comprises an anti-collision tubular beam upper connecting part 51, an anti-collision tubular beam body part 52 and an anti-collision tubular beam lower connecting part 53 from top to bottom, and the cross section of the anti-collision tubular beam body part 52 is circular;
the anti-collision tubular beam 5 is formed by bending a hollow thin-wall high-strength columnar tubular beam;
the bending radian of the anti-collision tubular beam 5 is matched with that of the reinforcing plate 3;
the cross sections of the upper connecting part 51 and the lower connecting part 53 of the anti-collision tubular beam are in a flat arc shape;
an upper connecting piece 4 and a lower connecting piece 6 are fixedly arranged on the reinforcing plate 3, and the anti-collision tubular beam 5 is fixedly connected with the reinforcing plate 3 through the upper connecting piece 4 and the lower connecting piece 6;
the upper connecting piece 4 comprises an upper connecting piece connecting part 41, a first groove is arranged on the upper connecting piece connecting part 41, and the upper connecting part 51 of the anti-collision tubular beam is positioned in the first groove and welded with the upper connecting piece connecting part 41; the lower connecting piece 6 comprises a lower connecting piece connecting part 61, a second groove is arranged on the lower connecting piece connecting part 61, and the lower connecting part 53 of the anti-collision tubular beam is positioned in the second groove and welded with the lower connecting piece connecting part 61;
the both sides of going up connecting piece connecting portion 41 all integrated into one piece have connecting edge 42 on the connecting piece side, go up connecting piece side and connect edge 42 and reinforcing plate 3 welding, the equal integrated into one piece in both sides of lower connecting piece connecting portion 61 has connecting piece side down and connects edge 62, and connecting piece side down connects edge 62 and reinforcing plate 3 welding.
Example eight:
as shown in fig. 1 to 9, a B pillar assembly structure of the present invention includes an inner panel assembly 7 and a reinforcement assembly;
the inner plate assembly 7 comprises an upper inner plate 1 and a lower inner plate 2, the upper inner plate 1 comprises an upper inner plate lower connecting part 12, the lower inner plate 2 comprises a lower inner plate upper connecting part 21, the lower inner plate upper connecting part 21 is connected with the upper inner plate lower connecting part 12 and is positioned on one side of the upper inner plate lower connecting part 12, which is far away from the reinforcing plate 3, the yield strength of the upper inner plate 1 is greater than that of the lower inner plate 2, and the elongation of the upper inner plate 1 is less than that of the lower inner plate 2;
the reinforcing part assembly comprises a reinforcing plate 3 and an anti-collision tubular beam 5 fixedly installed on the reinforcing plate 3, the cross sections of the reinforcing plate 3 and the inner plate assembly 7 are in a 'n' shape, the reinforcing plate 3 and the inner plate assembly 7 are enclosed to form a cavity structure, the anti-collision tubular beam 5 is located in the cavity structure, and the reinforcing plate 3 is in an inverted 'T' shaped integral structure;
inner plate seam allowance edges 70 are integrally formed on two sides of the inner plate assembly 7, reinforcing plate seam allowance edges 32 are integrally formed on two sides of the reinforcing plate 3, and the inner plate seam allowance edges 70 are welded with the reinforcing plate seam allowance edges 32;
the anti-collision tubular beam 5 is columnar, and the anti-collision tubular beam 5 is positioned between the inner plate assembly 7 and the reinforcing plate 3;
the anti-collision tubular beam 5 comprises an upper anti-collision tubular beam connecting part 51, an anti-collision tubular beam main part 52 and a lower anti-collision tubular beam connecting part 53 from top to bottom, the anti-collision tubular beam 5 is formed by bending a hollow thin-wall high-strength columnar tubular beam, the bending radian of the anti-collision tubular beam 5 is matched with that of the reinforcing plate 3, the cross section of the main anti-collision tubular beam part 52 is circular, and the cross sections of the upper anti-collision tubular beam connecting part 51 and the lower anti-collision tubular beam connecting part 53 are in a flat arc shape;
an upper connecting piece 4 and a lower connecting piece 6 are fixedly arranged on the reinforcing plate 3, the upper connecting piece 4 comprises an upper connecting piece connecting part 41, a first groove is arranged on the upper connecting piece connecting part 41, and an upper connecting part 51 of the anti-collision tubular beam is positioned in the first groove and welded with the upper connecting piece connecting part 41;
the equal integrated into one piece in both sides of going up connecting piece connecting portion 41 has connecting piece side connection limit 42, go up connecting piece side connection limit 42 and reinforcing plate 3 welding, connecting piece 6 includes connecting piece connecting portion 61 down, be equipped with the second recess on the connecting piece connecting portion 61 down, crashproof tubular beams lower connecting portion 53 is located the second recess, and with connecting piece connecting portion 61 welding down, the equal integrated into one piece in both sides of connecting piece connecting portion 61 has connecting piece side connection limit 62 down, connecting piece side connection limit 62 and reinforcing plate 3 welding down.
In the embodiment, during installation, after the anti-collision tubular beam 5 is bent, the upper connecting piece 4 is welded on the upper connecting part 51 of the anti-collision tubular beam, the lower connecting piece 6 is welded on the lower connecting part 53 of the anti-collision tubular beam, and then the upper connecting piece 4 and the lower connecting piece 6 are welded on the reinforcing plate 3;
and then sequentially welding the upper inner plate 1 and the lower inner plate 2 on the reinforcing plate 3.
Example nine:
as shown in fig. 1 to 9, the automobile of the present invention comprises a side wall roof side rail inner panel, a threshold roof side rail inner panel, a side wall roof side rail outer panel, a threshold roof side rail outer panel and a B pillar assembly structure, wherein the B pillar assembly structure comprises an inner panel assembly 7 and a reinforcement assembly;
the inner plate assembly 7 comprises an upper inner plate 1 and a lower inner plate 2, the upper inner plate 1 comprises an upper inner plate upper connecting part 11 and an upper inner plate lower connecting part 12, the side wall roof side rail inner plate is connected with the upper inner plate upper connecting part 11, the lower inner plate 2 comprises a lower inner plate upper connecting part 21 and a lower inner plate lower connecting part 22, and the doorsill roof side rail inner plate is connected with the lower inner plate lower connecting part 22;
the lower inner plate upper connecting part 21 is connected with the upper inner plate lower connecting part 12 and is positioned on one side of the upper inner plate lower connecting part 12, which is far away from the reinforcing plate 3, the yield strength of the upper inner plate 1 is greater than that of the lower inner plate 2, and the elongation of the upper inner plate 1 is less than that of the lower inner plate 2;
the reinforcing part assembly comprises a reinforcing plate 3 and an anti-collision tubular beam 5 fixedly arranged on the reinforcing plate 3, the reinforcing plate 3 comprises a reinforcing plate upper connecting part 31 and a reinforcing plate lower connecting part 33, the side-wall roof side rail outer plate is connected with the reinforcing plate upper connecting part 31, and the threshold side rail outer plate is connected with the reinforcing plate lower connecting part 33;
the cross sections of the reinforcing plate 3 and the inner plate assembly 7 are in a 'U' shape, the reinforcing plate 3 and the inner plate assembly 7 are enclosed to form a cavity structure, the anti-collision tubular beam 5 is positioned in the cavity structure, and the reinforcing plate 3 is in an inverted 'T' -shaped integral structure;
inner plate seam allowance edges 70 are integrally formed on two sides of the inner plate assembly 7, reinforcing plate seam allowance edges 32 are integrally formed on two sides of the reinforcing plate 3, and the inner plate seam allowance edges 70 are welded with the reinforcing plate seam allowance edges 32;
the anti-collision tubular beam 5 is columnar, and the anti-collision tubular beam 5 is positioned between the inner plate assembly 7 and the reinforcing plate 3;
the anti-collision tubular beam 5 comprises an anti-collision tubular beam upper connecting part 51, an anti-collision tubular beam main part 52 and an anti-collision tubular beam lower connecting part 53 from top to bottom, the anti-collision tubular beam 5 is formed by bending a hollow thin-wall high-strength columnar tubular beam, the bending radian of the anti-collision tubular beam 5 is matched with that of the reinforcing plate 3, the cross section of the anti-collision tubular beam main part 52 is circular, and the cross sections of the anti-collision tubular beam upper connecting part 51 and the anti-collision tubular beam lower connecting part 53 are in a flat arc shape;
an upper connecting piece 4 and a lower connecting piece 6 are fixedly arranged on the reinforcing plate 3, the upper connecting piece 4 comprises an upper connecting piece connecting part 41, a first groove is arranged on the upper connecting piece connecting part 41, and an upper connecting part 51 of the anti-collision tubular beam is positioned in the first groove and welded with the upper connecting piece connecting part 41;
the equal integrated into one piece in both sides of going up connecting piece connecting portion 41 has connecting piece side connection limit 42, go up connecting piece side connection limit 42 and reinforcing plate 3 welding, connecting piece 6 includes connecting piece connecting portion 61 down, be equipped with the second recess on the connecting piece connecting portion 61 down, crashproof tubular beams lower connecting portion 53 is located the second recess, and with connecting piece connecting portion 61 welding down, the equal integrated into one piece in both sides of connecting piece connecting portion 61 has connecting piece side connection limit 62 down, connecting piece side connection limit 62 and reinforcing plate 3 welding down.
In the embodiment, during installation, after the anti-collision tubular beam 5 is bent, the upper connecting piece 4 is welded on the upper connecting part 51 of the anti-collision tubular beam, the lower connecting piece 6 is welded on the lower connecting part 53 of the anti-collision tubular beam, and then the upper connecting piece 4 and the lower connecting piece 6 are welded on the reinforcing plate 3;
then sequentially welding the upper inner plate 1 and the lower inner plate 2 on the reinforcing plate 3;
and finally, welding the upper inner plate upper connecting part 11 on the side wall upper boundary beam inner plate, welding the lower inner plate lower connecting part 22 on the threshold boundary beam inner plate, welding the reinforcing plate upper connecting part 31 on the side wall upper boundary beam outer plate, and welding the reinforcing plate lower connecting part 33 on the threshold boundary beam outer plate.
The structure of the B-pillar assembly and the automobile provided by the invention are described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (13)
1. The utility model provides a B stand assembly structure, includes inner panel assembly (7) and reinforcement assembly, its characterized in that: inner panel assembly (7) are including last inner panel (1) and lower inner panel (2), the yield strength who goes up inner panel (1) is greater than the yield strength of lower inner panel (2), the percentage elongation of going up inner panel (1) is less than the percentage elongation of lower inner panel (2), the reinforcement assembly includes reinforcing plate (3) and crashproof tubular beams (5) of fixed mounting on reinforcing plate (3), crashproof tubular beams (5) are the column, crashproof tubular beams (5) are located between inner panel assembly (7) and reinforcing plate (3), reinforcing plate (3) and inner panel assembly (7) fixed connection.
2. The B-pillar assembly structure of claim 1, wherein: the cross section of reinforcing plate (3) and inner panel assembly (7) all is "nearly" type, reinforcing plate (3) and inner panel assembly (7) surround and are the cavity structure, crashproof tubular beams (5) are located the cavity structure.
3. The B-pillar assembly structure of claim 1, wherein: the both sides of inner panel assembly (7) all integrated into one piece have inner panel tang limit (70), the both sides all integrated into one piece of reinforcing plate (3) have reinforcing plate tang limit (32), inner panel tang limit (70) and reinforcing plate tang limit (32) welding.
4. The B-pillar assembly structure of claim 1, wherein: anticollision tubular beam (5) from the top down including anticollision tubular beam upper junction portion (51), anticollision tubular beam this portion (52) and anticollision tubular beam lower junction portion (53), the transversal personally submitting of anticollision tubular beam this portion (52) is circular.
5. The B-pillar assembly structure of claim 4, wherein: the anti-collision tubular beam (5) is formed by bending a hollow thin-wall high-strength columnar tubular beam.
6. The B-pillar assembly structure of claim 5, wherein: the bending radian of the anti-collision tubular beam (5) is matched with that of the reinforcing plate (3).
7. The B-pillar assembly structure of claim 4, wherein: the cross sections of the upper connecting part (51) and the lower connecting part (53) of the anti-collision tubular beam are in a flat arc shape.
8. The B-pillar assembly structure of claim 7, wherein: the anti-collision pipe beam is characterized in that an upper connecting piece (4) and a lower connecting piece (6) are fixedly mounted on the reinforcing plate (3), and the anti-collision pipe beam (5) is fixedly connected with the reinforcing plate (3) through the upper connecting piece (4) and the lower connecting piece (6).
9. The B-pillar assembly structure of claim 8, wherein: the upper connecting piece (4) comprises an upper connecting piece connecting part (41), a first groove is formed in the upper connecting piece connecting part (41), and the anti-collision tubular beam upper connecting part (51) is positioned in the first groove and welded with the upper connecting piece connecting part (41); connecting piece (6) are including connecting piece connecting portion (61) down, be equipped with the second recess on connecting piece connecting portion (61) down, connecting portion (53) are located the second recess under the anticollision tubular beams, and with connecting piece connecting portion (61) welding down.
10. The B-pillar assembly structure of claim 9, wherein: go up the equal integrated into one piece in both sides of connecting piece connecting portion (41) and have connecting piece side connection limit (42), go up connecting piece side connection limit (42) and reinforcing plate (3) welding, the equal integrated into one piece in both sides of connecting piece connecting portion (61) has connecting piece side connection limit (62) down, connecting piece side connection limit (62) and reinforcing plate (3) welding down.
11. The B-pillar assembly structure of claim 1, wherein: go up inner panel (1) including upper inner panel lower junction portion (12), lower inner panel (2) are including lower inner panel upper junction portion (21), lower inner panel upper junction portion (21) are connected, are located upper inner panel lower junction portion (12) and keep away from reinforcing plate (3) one side with upper inner panel lower junction portion (12) down.
12. The B-pillar assembly structure of claim 1, wherein: the reinforcing plate (3) is of an inverted T-shaped integral structure.
13. An automobile, characterized in that: including side wall roof side rail inner panel, threshold boundary beam inner panel, side wall roof side rail planking, threshold boundary beam planking and according to any one of claims 1-12 a B stand assembly structure, upper inner panel (1) includes upper inner panel upper junction (11), side wall roof side rail inner panel is connected with upper inner panel upper junction (11), lower inner panel (2) is including lower inner panel lower junction (22), threshold boundary beam inner panel is connected with lower inner panel lower junction (22), reinforcing plate (3) are including reinforcing plate upper junction (31) and reinforcing plate lower junction (33), side wall roof side rail planking is connected with reinforcing plate upper junction (31), threshold boundary beam planking is connected with reinforcing plate lower junction (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211170867.2A CN115923940A (en) | 2022-09-23 | 2022-09-23 | B stand assembly structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211170867.2A CN115923940A (en) | 2022-09-23 | 2022-09-23 | B stand assembly structure and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115923940A true CN115923940A (en) | 2023-04-07 |
Family
ID=86696471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211170867.2A Pending CN115923940A (en) | 2022-09-23 | 2022-09-23 | B stand assembly structure and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115923940A (en) |
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2022
- 2022-09-23 CN CN202211170867.2A patent/CN115923940A/en active Pending
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