CN111017032B - Side wall additional strengthening behind automobile body - Google Patents
Side wall additional strengthening behind automobile body Download PDFInfo
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- CN111017032B CN111017032B CN201911202287.5A CN201911202287A CN111017032B CN 111017032 B CN111017032 B CN 111017032B CN 201911202287 A CN201911202287 A CN 201911202287A CN 111017032 B CN111017032 B CN 111017032B
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- 238000005728 strengthening Methods 0.000 title claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 321
- 230000002787 reinforcement Effects 0.000 claims description 98
- 239000006096 absorbing agent Substances 0.000 abstract description 22
- 230000035939 shock Effects 0.000 abstract description 22
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000003351 stiffener Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
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- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a vehicle body rear side wall reinforcing structure, which comprises: the C-pillar reinforcing structure comprises two first reinforcing plates and a second reinforcing plate, and the second reinforcing plate is arranged on the floor of the automobile body and is positioned between two automobile rear wheel covers; d post additional strengthening, D post additional strengthening include the reinforcing plate of two symmetries and two symmetrical support reinforcing plates, the top and the automobile body top side roof beam of every reinforcing plate are connected, and are connected with the top of first reinforcing plate, one of them top of supporting the reinforcing plate is connected with one of them reinforcing plate, the bottom is connected with the upper surface of one of them rear wheel casing planking of automobile body, another top of supporting the reinforcing plate is connected with another reinforcing plate, the bottom is connected with the upper surface of another rear wheel casing planking of automobile body. The invention improves the torsional rigidity of the vehicle body and the dynamic rigidity of the mounting point of the rear shock absorber, and does not need to arrange reinforcing plates on all components of the rear side wall structure of the vehicle body, thereby being beneficial to reducing the weight and the cost.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a rear side wall reinforcing structure of an automobile body.
Background
The vehicle body is a frame structure bridged on the front axle and the rear axle of the automobile, is also called as a vehicle body and is a base body of the automobile. Generally, the suspension device comprises a cross beam, a longitudinal beam, a connecting plate and a reinforcing plate, and is supported on wheels through a suspension device, a front axle and a rear axle. The body must have sufficient strength and rigidity to withstand the load of the automobile and the impact transmitted from the wheels. The body functions to support and connect the various assemblies of the vehicle, maintain the assemblies in a relatively correct position, and bear various loads inside and outside the vehicle.
The rear side wall structure of the vehicle body provides necessary bending and torsional rigidity and rear shock absorber mounting point dynamic rigidity for the whole vehicle body, so that the improvement of the torsional rigidity and the dynamic rigidity of the rear side wall structure of the vehicle body is very important.
In the prior art, the torsional rigidity and the dynamic rigidity of the rear shock absorber mounting point of the rear side wall structure are improved, a reinforcing plate is generally arranged on the outer surfaces of a C column inner plate and a D column inner plate of the rear side wall structure, the improving effect is general in the mode, and if the reinforcing plate is arranged on each component part of the rear side wall structure, the improving effect is very good, but the cost is very high.
Disclosure of Invention
The invention aims to solve the problems and provides a vehicle body rear side wall reinforcing structure.
In order to achieve the above object, the technical solution of the present invention is as follows.
The utility model provides a side wall additional strengthening behind automobile body which characterized in that, side wall additional strengthening includes behind the automobile body:
the C-column reinforcing structure comprises two symmetrical first reinforcing plates and a second reinforcing plate, the two first reinforcing plates are respectively and correspondingly arranged on the outer surfaces of C-column inner plates on the two sides of the automobile body, the top ends of the two first reinforcing plates are connected with a top side edge beam of the automobile body, the bottom ends of the two first reinforcing plates are connected with the upper surface of an outer plate of a rear wheel cover of the automobile body, and the second reinforcing plate is arranged on the floor of the automobile body and is positioned between the two rear wheel covers of the automobile;
d post additional strengthening, D post additional strengthening includes the reinforcing plate of two symmetries and two symmetrical support reinforcing plates, every reinforcing plate corresponds the setting on the surface of one of them D post inner panel of automobile body, the top and the automobile body top side roof beam of every reinforcing plate are connected, and be connected with the top of first reinforcing plate, one of them top of supporting the reinforcing plate is connected with one of them reinforcing plate, the bottom is connected with the upper surface of one of them rear wheel casing planking of automobile body, another top of supporting the reinforcing plate is connected with another reinforcing plate, the bottom is connected with the upper surface of another rear wheel casing planking of automobile body.
The first reinforcing plate on the C-pillar inner plate, the top side edge beam and the vehicle body rear wheel cover which are adjacent to the C-pillar inner plate can be integrally formed through the arrangement of the C-pillar reinforcing structure, so that the overall torsional rigidity and the rear shock absorber mounting point dynamic rigidity of a vehicle body are improved, and the second reinforcing plate is arranged on the floor, so that the strength of the floor can be improved, and the overall torsional rigidity and the rear shock absorber mounting point dynamic rigidity of the vehicle body are further improved.
Secondly, through the arrangement of the D-column reinforcing structure, the reinforcing plate on the D-column inner plate can be supported, so that the strength of the reinforcing plate is improved, and the overall strength of the D-column inner plate is also improved, so that the overall torsional rigidity of the vehicle body and the dynamic rigidity of the mounting point of the rear shock absorber are further improved.
Moreover, the C column reinforcing structure and the D column reinforcing structure are connected, so that the C column reinforcing structure and the D column reinforcing structure form a whole, and the overall torsional rigidity of the vehicle body and the dynamic rigidity of the mounting point of the rear shock absorber can be further improved.
In a preferred embodiment of the present invention, the first reinforcing plate, the reinforcing plate and the supporting reinforcing plate are all in a groove shape, the first reinforcing plate, the reinforcing plate and the supporting reinforcing plate are respectively provided with a connecting plate, and the first reinforcing plate, the reinforcing plate and the supporting reinforcing plate are respectively provided with a plurality of through holes.
The first reinforcing plate, the reinforcing plate and the supporting reinforcing plate are all arranged in the groove shape, so that after the first reinforcing plate, the reinforcing plate and the supporting reinforcing plate are installed, the first reinforcing plate, the reinforcing plate and the supporting reinforcing plate respectively form cavities with a vehicle body bracket, and the torsional rigidity of a vehicle body and the dynamic rigidity of the installation point of the rear shock absorber can be improved.
In addition, when the first reinforcing plate, the reinforcing plate and the support reinforcing plate are all provided in the groove shape, the volume of the connecting surface between them and the vehicle body is reduced greatly, which reduces the connecting strength between them and the vehicle body, and the connecting strength between them and the vehicle body can be improved by providing the connecting plates on the first reinforcing plate, the reinforcing plate and the support reinforcing plate, respectively.
Moreover, because the cavities are formed between the first reinforcing plate, the reinforcing plate and the supporting reinforcing plate and the vehicle body and are closed, although the torsional rigidity and the dynamic rigidity of the vehicle body are improved, the first reinforcing plate, the reinforcing plate and the supporting reinforcing plate are easy to have weaker relative strength, and the cavities are not closed by respectively arranging the through holes on the first reinforcing plate, the reinforcing plate and the supporting reinforcing plate, so that the torsional rigidity and the dynamic rigidity of the vehicle body are improved, and meanwhile, the strength of the first reinforcing plate, the reinforcing plate and the supporting reinforcing plate is also improved.
In a preferred embodiment of the present invention, a bottom end of each first reinforcing plate is provided with a first rear wheel cover plate, the first rear wheel cover plate is arranged on an upper surface of the vehicle body rear wheel cover outer plate, a bottom end of each supporting reinforcing plate is provided with a second rear wheel cover plate, the second rear wheel cover plate is arranged on an upper surface of the vehicle body rear wheel cover outer plate, and the first rear wheel cover plate and the second rear wheel cover plate can be spliced on the upper surface of the vehicle body rear wheel cover outer plate and have the same shape as the vehicle body rear wheel cover outer plate after being spliced.
Because first reinforcing plate sets up the upper surface at the rear wheel casing planking with supporting the reinforcing plate, the pressure that first reinforcing plate and support reinforcing plate need be born to the rear wheel casing planking, but rear wheel casing planking intensity is lower than other position intensity of automobile body, and the area of contact of rear wheel casing planking with first reinforcing plate and support reinforcing plate is all less, so the rear wheel casing planking forms weak point easily, and set up first rear wheel cover plate and set up the second rear wheel cover plate in the bottom that supports the reinforcing plate through the bottom at first reinforcing plate, can be convenient for install, do not influence the appearance of rear wheel casing planking, can improve the intensity of rear wheel casing planking again and increase the area of contact of rear wheel casing planking with first reinforcing plate and support reinforcing plate.
In addition, the top through first reinforcing plate and the top of reinforcing plate set up on automobile body top side boundary beam together are connected between C post additional strengthening and the D post additional strengthening, then connect each other, though having realized being connected between C post additional strengthening and the D post additional strengthening like this, but because the bottom between C post additional strengthening and the D post additional strengthening is not connected, make C post additional strengthening and D post additional strengthening's wholeness poor like this, but because the position requirement of the C post inner panel of automobile body and D post inner panel, can't realize being connected between C post additional strengthening bottom and the D post additional strengthening bottom, and can perfectly solve above-mentioned problem through the setting up of first rear wheel cover plate and second rear wheel cover plate.
In a preferred embodiment of the invention, the C-pillar reinforcement structure further includes a third reinforcement plate and a fourth reinforcement plate which are symmetrical, one end of the third reinforcement plate is connected to one end of the second reinforcement plate, the other end of the third reinforcement plate is connected to one of the rear wheel house inner panels of the vehicle body, one end of the fourth reinforcement plate is connected to the other end of the second reinforcement plate, the other end of the fourth reinforcement plate is connected to the other rear wheel house inner panel of the vehicle body, the third reinforcement plate and the fourth reinforcement plate are both L-shaped, the horizontal planes of the third reinforcement plate and the fourth reinforcement plate are located on the floor of the vehicle body, the included angle between the horizontal plane of the third reinforcement plate and the horizontal plane of the fourth reinforcement plate and the second reinforcement plate is 120-150 °, and the vertical planes of the third reinforcement plate and the fourth reinforcement plate are located on the rear wheel house inner panels of the vehicle body.
Through the arrangement of the third reinforcing plate and the fourth reinforcing plate, a vehicle body floor, a vehicle body rear wheel cover and the second reinforcing plate can also form a whole, so that the torsional rigidity of a vehicle body and the dynamic rigidity of a rear shock absorber mounting point can be further improved.
The third reinforcing plate and the fourth reinforcing plate are arranged in an L shape, so that the third reinforcing plate and the fourth reinforcing plate are tightly attached to the vehicle body floor and the rear wheel cover inner plate, the contact area can be increased, and the strength is improved.
The included angle between the third reinforcing plate and the second reinforcing plate is 120-150 degrees instead of 180 degrees, so that the third reinforcing plate and the fourth reinforcing plate can support the second reinforcing plate, and the strength of the second reinforcing plate is improved.
In a preferred embodiment of the present invention, the C-pillar reinforcement structure further includes a fifth reinforcement plate and a sixth reinforcement plate, which are symmetrical, the fifth reinforcement plate has one end connected to the third reinforcement plate and the other end located on an inner surface of one of the C-pillar inner panels, and the sixth reinforcement plate has one end connected to the fourth reinforcement plate and the other end located on an inner surface of the other C-pillar inner panel.
Through the arrangement of the five reinforcing plates and the sixth reinforcing plate, the vehicle body floor, the rear wheel cover inner plate, the C column inner plate and the second reinforcing plate are integrated, so that the torsional rigidity of the vehicle body and the dynamic rigidity of the mounting point of the rear shock absorber can be further improved.
In addition, through the arrangement of the five reinforcing plates and the sixth reinforcing plate, the C-shaped column reinforcing structure is integrally in a coherent C shape, so that the integral rigidity of the vehicle body is improved, and the dynamic rigidity of a rear shock absorber mounting point on a rear wheel cover is also improved.
In a preferred embodiment of the invention, a second connecting plate is arranged on one side of the reinforcing plate far away from the supporting reinforcing plate, and the second connecting plate is connected with the upper end of the outer surface of the side edge beam of the tail gate of the vehicle body.
Because the rear door side beam and the side beam of the rear door of the automobile body are close to the D-column inner plate, the rear door of the automobile body, the D-column inner plate and the reinforcing plate can be formed into a whole through the arrangement of the second connecting plate, and therefore the torsional rigidity of the automobile body and the dynamic rigidity of the mounting point of the rear shock absorber can be further improved.
In a preferred embodiment of the present invention, the D-pillar reinforcement structure further includes a third connecting plate disposed at a lower end of an outer surface of the tailgate side rail, the third connecting plate being connected to the second connecting plate, and a flap being provided at one side of the third connecting plate, the flap being connected to an inner surface of the tailgate side rail.
The third connecting plate is used for cooperating with the second connecting plate, covers the surface of automobile body tail-gate side boundary beam wholly, can further improve the rigidity of automobile body like this.
And through the setting of folded plate, neither influence the rotation of automobile body tail-gate, can live automobile body tail-gate side roof beam whole cladding again, reach the biggest with the area of contact of automobile body tail-gate side roof beam with third connecting plate and second connecting plate to improve the rigidity of automobile body.
In a preferred embodiment of the invention, the other side of the third connecting plate is provided with a fourth connecting plate, the fourth connecting plate is connected with the outer surface of the side plate of the vehicle body on one side of the tail gate, the folded plate is provided with a fifth connecting plate, and the fifth connecting plate is connected with the inner surface of the side plate of the vehicle body on one side of the tail gate.
Through the arrangement of the fourth connecting plate and the fifth connecting plate, a side plate on one side of the tail gate, a side edge beam of the tail gate of the vehicle body and the inner plate of the D column can be formed into a whole, so that the rigidity of the vehicle body and the dynamic rigidity of a mounting point of the rear shock absorber are further improved.
In addition, the fourth connecting plate and the fifth connecting plate are respectively positioned on the two sides of the side plate on one side of the tail gate on the automobile body and can be mutually supported, so that the integral strength of the automobile body is improved.
Moreover, because the third connecting plate, the folded plate, the fourth connecting plate and the fifth connecting plate are of an integrated structure, the installation is very convenient.
In a preferred embodiment of the present invention, the D-pillar reinforcement structure further includes a sixth connecting plate, which is semicircular, disposed on a groove edge of the spare tire seating groove on the vehicle body floor, and connected to the second reinforcement plate.
The spare tire containing groove is arranged at the tail part of the vehicle body floor and is close to the side beam of the vehicle body tail door, the spare tire containing groove is originally arranged at the position with the lowest rigidity on the vehicle body floor, and after the rigidity of the vehicle body tail door and the rigidity of the D column inner plate are improved, the rigidity of the spare tire containing groove is lower, so that the rigidity of the spare tire containing groove on the vehicle body floor can be improved through the arrangement of the seventh connecting plate, and the situation that the rigidity of the spare tire containing groove is reduced when the rigidity of the vehicle body is improved is avoided.
In a preferred embodiment of the present invention, symmetrical seventh connecting plates are respectively disposed on two sides of the sixth connecting plate, the seventh connecting plates are sequentially composed of a top section, a middle section and a bottom section from top to bottom, the top section is symmetrical to the reinforcing plate, the middle section is symmetrical to the supporting reinforcing plate, the bottom section is tightly attached to the inner plate of the rear wheel cover, and the middle section is connected to the second reinforcing plate.
Through the setting of seventh connecting plate, can be with the structure near D post inner panel: the vehicle body floor, the rear wheel cover, the vehicle body tail door, the D column inner plate and the supporting reinforcing plate are integrated, and the vehicle body floor, the rear wheel cover and the C column inner plate are also integrated by the C column reinforcing structure, and the C column reinforcing structure and the D column reinforcing structure are also integrated, so that the torsional rigidity of the vehicle body and the dynamic rigidity of the mounting point of the rear shock absorber are maximized.
The invention has the beneficial effects that:
the invention greatly improves the rigidity and the strength of the automobile body and the dynamic rigidity of the mounting point of the rear shock absorber, does not need to arrange reinforcing plates on all components of the rear side wall structure of the automobile body, and is beneficial to reducing the weight and the cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a C-pillar reinforcement structure;
FIG. 2 is a schematic structural view of a first reinforcing plate;
FIG. 3 is a schematic connection diagram of the second stiffener, the third stiffener, the fourth stiffener, the fifth stiffener, and the sixth stiffener;
FIG. 4 is a front view of a D-pillar reinforcement structure;
FIG. 5 is a rear view of a D-pillar reinforcement structure;
FIG. 6 is a schematic view of the connection between the sixth connecting plate and the seventh connecting plate;
FIG. 7 is a schematic view of the assembly of the first reinforcement plate and the reinforcement plate;
fig. 8 is a schematic view showing the connection of the first reinforcing plate provided with the first rear wheel house plate and the reinforcing plate provided with the second rear wheel house plate.
Reference numerals:
110. a first reinforcing plate; 111. a side beam section 111; 112. c column inner plate top section; 113. the lower section of the inner plate of the C column; 114. a C-shaped connecting plate; 120. a second reinforcing plate; 130. a third reinforcing plate; 140. a fourth reinforcing plate; 150. the fifth strengthening board; 160. a sixth reinforcing plate; 210. a reinforcing plate; 211. connecting grooves; 220. supporting the reinforcing plate; 221. a connecting end; 230. a second connecting plate; 240. a third connecting plate; 241. folding the plate; 250. a fourth connecting plate; 260. a fifth connecting plate; 270. a sixth connecting plate; 280. a seventh connecting plate; 281. a bottom section; 282. a middle section; 283. a top section; 300. an outer plate of a rear wheel cover of the vehicle body; 310. a vehicle body rear wheel cover inner plate; 410. a first rear wheel house plate; 420. a second rear wheel house plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
Referring to fig. 1 and 4, the vehicle body side wall reinforcing structure provided by the invention comprises a C-pillar reinforcing structure and a D-pillar reinforcing structure which are connected with each other, wherein the C-pillar reinforcing structure is arranged on a C-pillar inner plate of a vehicle body and is integrated with each structure adjacent to the C-pillar inner plate on the vehicle body, and the D-pillar reinforcing structure is arranged on a D-pillar inner plate of the vehicle body and is integrated with each structure adjacent to the D-pillar inner plate on the vehicle body.
Referring to fig. 1, the C-pillar reinforcement structure may specifically include two symmetrical first reinforcement plates 110 and one second reinforcement plate 120, where the two first reinforcement plates 110 are respectively and correspondingly disposed on outer surfaces of C-pillar inner plates 310 on two sides of a vehicle body, a top end of each first reinforcement plate is connected to a roof side sill of the vehicle body, a bottom end of each first reinforcement plate is connected to an upper surface of a rear wheel casing outer plate 300 of the vehicle body, and the second reinforcement plate 120 is disposed on a floor of the vehicle body and located between two rear wheel casings of the vehicle.
Through the arrangement of the structure, the top side edge beam and the vehicle body rear wheel cover which are adjacent to the C-pillar inner plate can be integrally formed with the first reinforcing plate 110 on the C-pillar inner plate, so that the torsional rigidity of the whole vehicle body and the dynamic rigidity of the rear shock absorber mounting point are improved, and the strength of the floor can be improved through the second reinforcing plate 120 arranged on the floor, so that the torsional rigidity of the whole vehicle body and the dynamic rigidity of the rear shock absorber mounting point are further improved.
Referring to fig. 1 and 2, the first reinforcing plate 110 may be composed of a side beam section 111, a C-pillar inner plate top section 112, and a C-pillar inner plate lower section 113 in sequence from top to bottom.
The side sill section 111, which has a shape corresponding to the roof side sill, may be directly provided on the upper surface of the roof side sill, thus improving the coupling strength of the first reinforcement plate 110 to the roof side sill.
A C-shaped groove is formed in one side, close to the rear triangular window of the vehicle body, of the C-column inner plate top section 112, and one side of the rear triangular window of the vehicle body can be inserted into the C-shaped groove, so that the rear triangular window of the vehicle body can be avoided when the first reinforcing plate 110 is installed, and the arrangement of the rear triangular window of the vehicle body is not influenced.
The C-shaped connecting plate 114 is arranged on the C-shaped groove, and the C-shaped connecting plate 114 is welded and fixed with the upper surface of the vehicle body rear triangular window mounting plate, so that the first reinforcing plate 110 and the vehicle body rear triangular window can be connected into a whole, and the torsional rigidity of the vehicle body and the dynamic rigidity of the rear shock absorber mounting point are further improved.
The included angle between the lower section 113 of the C column inner plate and the top section 112 of the C column inner plate is 100-120 degrees instead of being horizontally connected with the top section 112 of the C column inner plate by 180 degrees, so that the lower section 113 of the C column inner plate can also support the top section 112 of the C column inner plate, and the overall strength of the first reinforcing plate 110 is improved.
Referring to fig. 1 and 3, the second reinforcement plate 120, which is disposed on the vehicle body floor between the two rear wheel houses of the vehicle, may cause a relative decrease in the rigidity and strength of the vehicle body floor between the two C-pillar inner panels since the first reinforcement plate 110 increases both the torsional rigidity and the dynamic rigidity of the roof side rail adjacent to the C-pillar inner panel and the rear wheel house of the vehicle body, and the second reinforcement plate 120 may serve to increase the rigidity and strength of the vehicle body floor.
The C-pillar reinforcement structure may further include a third reinforcement plate 130 and a fourth reinforcement plate 140 that are symmetrical, where one end 300 of the third reinforcement plate is connected to one end of the second reinforcement plate 120, the other end is connected to one of the rear wheel house inner plates 310, one end of the fourth reinforcement plate 140 is connected to the other end of the second reinforcement plate 120, and the other end is connected to the other rear wheel house inner plate 310.
Through the arrangement of the third reinforcing plate 130 and the fourth reinforcing plate 140, the vehicle body floor, the vehicle body rear wheel cover and the second reinforcing plate 120 can be integrally formed, so that the torsional rigidity of the vehicle body and the dynamic rigidity of the rear shock absorber mounting point can be further improved.
In addition, the third reinforcing plate 130 and the fourth reinforcing plate 140 are both L-shaped, the horizontal planes of the third reinforcing plate 130 and the fourth reinforcing plate 140 are positioned on the floor of the vehicle body, the included angle between the horizontal planes of the third reinforcing plate 130 and the fourth reinforcing plate 140 and the second reinforcing plate 120 is 120-150 degrees, and the vertical planes of the third reinforcing plate 130 and the fourth reinforcing plate 140 are positioned on the rear wheel house inner panel 310 of the vehicle body.
By providing the third reinforcement plate 130 and the fourth reinforcement plate 140 in an L-shape, the third reinforcement plate 130 and the fourth reinforcement plate 140 can be made to abut against the vehicle body floor and the rear wheel house inner panel 310, which can increase the contact area and thus improve the strength.
In addition, the third reinforcing plate 130 and the fourth reinforcing plate 140 are arranged at an angle of 120 ° to 150 ° with respect to the second reinforcing plate 120, instead of 180 ° in a horizontal shape, so that the third reinforcing plate 130 and the fourth reinforcing plate 140 can support the second reinforcing plate 120, thereby further improving strength.
The C-pillar reinforcement structure may further include a fifth reinforcement plate 150 and a sixth reinforcement plate 160 that are symmetrical, the fifth reinforcement plate 150 has one end connected to the third reinforcement plate 130 and the other end located on an inner surface of one of the C-pillar inner panels 310, and the sixth reinforcement plate 160 has one end connected to the fourth reinforcement plate 140 and the other end located on an inner surface of the other C-pillar inner panel 310.
Through the arrangement of the fifth reinforcing plate 150 and the sixth reinforcing plate 160, the vehicle body floor, the automobile rear wheel cover, the C-pillar inner panel 310 and the second reinforcing plate 120 are integrated, so that the torsional rigidity of the vehicle body and the dynamic rigidity of the rear shock absorber mounting point can be further improved.
In addition, since the first reinforcement plate 110 and the second reinforcement plate 120 are connected to the C-pillar inner panel 310, the present invention has a coherent C-shape as a whole, which not only improves the rigidity and strength of the vehicle body, but also improves the dynamic rigidity of the shock absorber mounting point on the rear wheel house inner panel.
The fifth reinforcing plate 150 and the sixth reinforcing plate 160 may both be formed of a curved surface section and a horizontal section, and since the inner wheel housing plate 310 is curved, the curved surface section may be closely attached to the inner wheel housing plate 310, and the horizontal section may be closely attached to the inner surface of the C-pillar inner plate 310, so that the fifth reinforcing plate 150 and the sixth reinforcing plate 160 are closely attached to the inner wheel housing and the C-pillar inner plate 310, increasing the contact area, and improving the strength.
The second reinforcing plate 120, the third reinforcing plate 130, the fourth reinforcing plate 140, the fifth reinforcing plate 150 and the sixth reinforcing plate 160 may also be groove-shaped, so that cavities are formed between the second reinforcing plate 120, the third reinforcing plate 130, the fourth reinforcing plate 140, the fifth reinforcing plate 150 and the sixth reinforcing plate 160 and the vehicle body respectively, thereby further improving the torsional rigidity of the vehicle body and the dynamic rigidity of the rear shock absorber mounting point.
Similarly, a connecting plate may be provided on each side plate of the second reinforcing plate 120, the third reinforcing plate 130, the fourth reinforcing plate 140, the fifth reinforcing plate 150, and the sixth reinforcing plate 160.
Referring to fig. 4, 5 and 7, the D-pillar reinforcement structure specifically includes two symmetrical reinforcing plates 210 and two symmetrical supporting reinforcing plates 220, each reinforcing plate 210 is correspondingly disposed on an outer surface of one of the D-pillar inner panels of the vehicle body, a top end of each reinforcing plate 210 is connected to the roof side rail of the vehicle body and is connected to a top end of the first reinforcing plate 110, a top end of one supporting reinforcing plate 220 is connected to one of the reinforcing plates 210, a bottom end of the one supporting reinforcing plate is connected to an upper surface of one of the rear wheel house outer panels 300 of the vehicle body, a top end of the other supporting reinforcing plate 220 is connected to the other reinforcing plate 210, and a bottom end of the other supporting reinforcing plate is connected to an upper surface of the other rear wheel house outer panel 300 of the vehicle body.
Through the arrangement of the structure, the reinforcing plate 210 on the D-pillar inner plate is supported, so that the strength of the reinforcing plate 210 is improved, the integral strength of the D-pillar inner plate is also improved, and the integral rigidity and strength of a vehicle body are further improved.
In addition, by disposing the top end of the reinforcement plate 210 and the top end of the first reinforcement plate 110 on the roof side rail of the vehicle body and connecting them, the C-pillar reinforcement structure and the D-pillar reinforcement structure can be formed integrally, which further improves the overall rigidity and strength of the vehicle body.
The first reinforcing plate 110, the reinforcing plate 210 and the support reinforcing plate 220 may be all groove-shaped, so that after the first reinforcing plate 110, the reinforcing plate 210 and the support reinforcing plate 220 are installed, the first reinforcing plate 110, the reinforcing plate 210 and the support reinforcing plate 220 respectively form a cavity with the vehicle body, thereby improving the rigidity and strength of the vehicle body.
In addition, since the first reinforcing plate 110, the reinforcing plate 210, and the support reinforcing plate 220 may be provided with the connecting plates, respectively, after the first reinforcing plate 110, the reinforcing plate 210, and the support reinforcing plate 220 are all provided in the form of a groove, the volume of the connecting surfaces with the vehicle body may be reduced so much that the connecting strength with the vehicle body may be reduced, and the connecting strength with the vehicle body may be improved by providing the connecting plates on the first reinforcing plate 110, the reinforcing plate 210, and the support reinforcing plate 220, respectively.
Furthermore, the first reinforcing plate 110, the reinforcing plate 210 and the supporting reinforcing plate 220 are respectively provided with a plurality of through holes, since cavities are formed between the first reinforcing plate 110, the reinforcing plate 210 and the supporting reinforcing plate 220 and the vehicle body, and the cavities are closed, although the torsional rigidity and the dynamic rigidity of the vehicle body are improved, the first reinforcing plate 110, the reinforcing plate 210 and the supporting reinforcing plate 220 are easy to form weak points, and the cavities are not closed by respectively providing a plurality of through holes on the first reinforcing plate 110, the reinforcing plate 210 and the supporting reinforcing plate 220, so that the torsional rigidity and the dynamic rigidity of the vehicle body are improved, and the strength of the first reinforcing plate 110, the reinforcing plate 210 and the supporting reinforcing plate 220 is also improved.
Be equipped with the connecting groove 211 on the bottom of the one side that reinforcing plate 210 and support reinforcing plate 220 are connected, be equipped with on the top of supporting reinforcing plate 220 and correspond complex link 221 with connecting groove 211, when supporting reinforcing plate 220 and reinforcing plate 210 and being connected, through in inserting link 221 into connecting groove 211, then weld can.
If the support reinforcing plate 220 is directly welded to the side of the reinforcing plate 210, which results in a small contact area between the support reinforcing plate 220 and the reinforcing plate 210, the coupling strength between the support reinforcing plate 220 and the reinforcing plate 210 is small, and the coupling strength between the support reinforcing plate 220 and the reinforcing plate 210 can be improved by the above-described arrangement of the coupling grooves 211 and the coupling ends 221.
The bottom end of the support reinforcing plate 220 is directly and vertically welded and fixed to the upper surface of the rear wheel house outer panel 300, so that the support strength of the support reinforcing plate 220 can be improved.
A second connecting plate 230 is provided on the side of the reinforcing plate 210 remote from the support reinforcing plate 220, and the second connecting plate 230 is connected to the upper end of the outer surface of the side sill of the tailgate.
Since the rear door side member is close to the D-pillar inner panel, the rear door, the D-pillar inner panel and the reinforcement plate 210 can be integrated by the second connection plate 230, so that the rigidity of the vehicle body can be further improved.
This application still includes third connecting plate 240, and third connecting plate 240 sets up the lower extreme at the surface of automobile body tail-gate side boundary beam to be connected with second connecting plate 230, third connecting plate 240 is used for cooperating with second connecting plate 230, covers the whole surface of automobile body tail-gate side boundary beam, can further improve the rigidity of automobile body like this.
A flap 241 may be provided at one side of the third connecting plate 240, and the flap 241 is connected to an inner surface of the side sill of the tailgate.
The flap 241 does not affect the rotation of the trunk door, and can cover the side beam of the trunk door integrally, so that the contact area between the side beam of the trunk door and the third connecting plate 240 and the second connecting plate 230 is maximized, and the rigidity of the trunk is further improved.
A fourth connecting plate 250 is provided on the other side of the third connecting plate 240, the fourth connecting plate 250 is connected to the outer surface of the side plate on the tailgate side of the vehicle body, a fifth connecting plate 260 is provided on the flap 241, and the fifth connecting plate 260 is connected to the inner surface of the side plate on the tailgate side of the vehicle body.
Through the arrangement of the fourth connecting plate 250 and the fifth connecting plate 260, a side plate on one side of the tailgate, a side edge beam of the tailgate and a D-pillar inner plate on the vehicle body can be formed into a whole, so that the rigidity of the vehicle body is further improved.
In addition, the fourth connecting plate 250 and the fifth connecting plate 260 are respectively positioned at two sides of a side plate of the vehicle body at one side of the tail gate and can be mutually supported, so that the strength of the whole vehicle body is improved.
Moreover, through the arrangement of the structure, the third connecting plate 240, the folded plate 241, the fourth connecting plate 250 and the fifth connecting plate 260 are of an integrated structure, so that the installation is very convenient.
Referring to fig. 6, in addition, since the spare tire housing groove on the vehicle body floor is close to the vehicle body tailgate and the rigidity of the spare tire housing groove on the vehicle body floor is relatively low, even when the rigidity of the vehicle body tailgate and the D-pillar inner panel is improved, the relative rigidity of the spare tire housing groove is relatively low, in order to solve the problem, the present application may further include a sixth connecting plate 270, the sixth connecting plate 270 has a shape corresponding to the spare tire housing groove and is semicircular, the sixth connecting plate 270 is disposed on a groove edge of the spare tire housing groove, and the sixth connecting plate 270 is used for improving the rigidity of the spare tire housing groove.
Since the rigidity of the spare tire housing groove is improved, the rigidity of the whole vehicle body floor is also improved inevitably.
In addition, the sixth connecting plate 270 is also connected to the second reinforcing plate 120, which further improves the integrity of the C-pillar reinforcing structure and the D-pillar reinforcing structure.
And symmetrical seventh connecting plates 280 are respectively arranged on two sides of the sixth connecting plate 270, and the seventh connecting plates 280 are sequentially composed of a bottom section 281, a middle section 282 and a top section 283 from top to bottom.
The bottom segment 281 has a shape corresponding to the shape of the rear wheel house inner plate 310, and is a curved surface shape, and is closely attached to the rear wheel house inner plate 310, which is a transition segment between the middle segment 282 and the sixth connecting plate 270, so that the middle segment 282 can be connected to the sixth connecting plate 270, and the middle segment 282 and the support reinforcing plate 220 can be symmetrically arranged.
The middle section 282, which has the same shape as the support reinforcing plate 220, is disposed inside the vehicle body and is symmetrical to the support reinforcing plate 220.
And a top section 283 having the same shape as the reinforcement plate 210, provided on the inner surface of the D-pillar inner panel, and symmetrical to the reinforcement plate 210.
First, the structure in the vicinity of the D-pillar inner panel is: the vehicle body floor, the rear wheel cover, the vehicle body tail door, the D-pillar inner plate, the reinforcing plate 210 and the supporting reinforcing plate 220 are integrated, so that the rigidity of the D-pillar inner plate is maximized, and the integral rigidity of the vehicle body is greatly improved.
Secondly, through the symmetrical arrangement of the middle section 282 and the supporting reinforcing plate 220 and the arrangement of the top section 283 and the reinforcing plate 210, the middle section 282 and the supporting reinforcing plate 220 can support each other and the top section 283 and the reinforcing plate 210 can support each other, so that the strength of the supporting reinforcing plate 220 and the reinforcing plate 210 is greatly improved.
In addition, referring to fig. 7 and 8, a first rear wheel house plate 410 may be provided at a bottom end of each first reinforcing plate 110, and a second rear wheel house plate 420 may be provided at a bottom end of each supporting reinforcing plate 220.
The first and second rear wheel house panels 410 and 420 have an arc shape, and the first and second rear wheel house panels 410 and 420 may be directly disposed on the upper surface of the vehicle body rear wheel house outer panel 300, the first and second rear wheel house panels 410 and 420, and the shape after the splicing is the same as the shape of the vehicle body rear wheel house outer panel 300.
Splicing between the first rear wheel housing plate 410 and the second rear wheel housing plate 420 can be realized by arranging a clamping groove on the connecting end surface of the first rear wheel housing plate 410 and the second rear wheel housing plate 420, and arranging a clamping plate correspondingly matched with the clamping groove on the connecting end surface of the second rear wheel housing plate 420 and the first rear wheel housing plate 410.
Since the first reinforcing plate 110 and the supporting reinforcing plate 220 are disposed on the upper surface of the rear wheel cover outer panel 300, the rear wheel cover outer panel 300 is required to bear the pressure of the first reinforcing plate 110 and the supporting reinforcing plate 220, and in the technical solution well known to those skilled in the art, the strength of the rear wheel cover outer panel 300 is lower than that of other parts of the vehicle body, so that no component is generally disposed, and in any case, the contact area between the rear wheel cover outer panel 200 and the first reinforcing plate 110 and the supporting reinforcing plate 220 is smaller, so that the rigidity and strength of the rear wheel cover outer panel 300 are weaker, however, due to the limitation of the positions of the C-pillar inner panel and the D-pillar inner panel, the lower ends of the first reinforcing plate 110 and the supporting reinforcing plate 220 can only be connected to the upper surface of the rear wheel cover 300, and in order to solve the above problems, the present invention provides the first rear wheel cover panel 410 on the bottom end of the first reinforcing plate 110 and the second rear wheel 420 on the bottom end of the supporting reinforcing plate 220, thus, the installation is facilitated, the appearance of the rear wheel casing outer plate 300 is not affected, the strength of the rear wheel casing outer plate 300 is improved, the contact area between the rear wheel casing outer plate 300 and the first reinforcing plate 110 and the contact area between the rear wheel casing outer plate 300 and the supporting reinforcing plate 220 are increased, and the rear wheel casing outer plate 300 is reinforced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a side wall additional strengthening behind automobile body which characterized in that, side wall additional strengthening includes behind the automobile body:
the C-pillar reinforcing structure comprises two symmetrical first reinforcing plates (110) and a second reinforcing plate (120), the two first reinforcing plates (110) are respectively and correspondingly arranged on the outer surfaces of C-pillar inner plates on the two sides of a vehicle body, the top ends of the two first reinforcing plates are connected with a top side edge beam of the vehicle body, the bottom ends of the two first reinforcing plates are connected with the upper surface of a rear wheel cover outer plate (300) of the vehicle body, and the second reinforcing plate (120) is arranged on the floor of the vehicle body and is positioned between two rear wheel covers of the vehicle;
the D-column reinforcing structure comprises two symmetrical reinforcing plates (210) and two symmetrical supporting reinforcing plates (220), each reinforcing plate (210) is correspondingly arranged on the outer surface of one D-column inner plate of the automobile body, the top end of each reinforcing plate (210) is connected with a top side edge beam of the automobile body and is connected with the top end of a first reinforcing plate (110), the top end of one supporting reinforcing plate (220) is connected with one reinforcing plate (210), the bottom end of the one supporting reinforcing plate is connected with the upper surface of one rear wheel cover outer plate of the automobile body, the top end of the other supporting reinforcing plate (220) is connected with the other reinforcing plate (210), and the bottom end of the other supporting reinforcing plate is connected with the upper surface of the other rear wheel cover outer plate of the automobile body;
the bottom of every first reinforcing plate (110) is equipped with first rear wheel cover board (410), first rear wheel cover board (410) set up the upper surface at automobile body rear wheel cover planking (300), and every bottom that supports reinforcing plate (220) is equipped with second rear wheel cover board (420), second rear wheel cover board (420) set up the upper surface at automobile body rear wheel cover planking (300), first rear wheel cover board (410) can splice on the upper surface of automobile body rear wheel cover planking (300) with second rear wheel cover board (420), and the shape of splicing back and automobile body rear wheel cover planking (300) is the same.
2. The vehicle body side wall reinforcing structure according to claim 1, wherein the first reinforcing plate (110), the reinforcing plate (210) and the supporting reinforcing plate (220) are all in a groove shape, connecting plates are respectively arranged on the first reinforcing plate (110), the reinforcing plate (210) and the supporting reinforcing plate (220), and a plurality of through holes are respectively arranged on the first reinforcing plate (110), the reinforcing plate (210) and the supporting reinforcing plate (220).
3. The vehicle body side reinforcement structure according to claim 1, wherein the C-pillar reinforcement structure further comprises a third reinforcement plate (130) and a fourth reinforcement plate (140) which are symmetrical, one end of the third reinforcement plate (130) is connected with one end of the second reinforcement plate (120), the other end of the third reinforcement plate (130) is connected with one of the vehicle body rear wheel cover inner plates (310), one end of the fourth reinforcement plate (140) is connected with the other end of the second reinforcement plate (120), the other end of the fourth reinforcement plate (140) is connected with the other vehicle body rear wheel cover inner plate (310), the third reinforcement plate (130) and the fourth reinforcement plate (140) are both L-shaped, the horizontal planes of the third reinforcement plate (130) and the fourth reinforcement plate (140) are located on the vehicle body floor, the included angle between the third reinforcement plate (130) and the fourth reinforcement plate (140) is 120-150 degrees, and the vertical planes of the third reinforcement plate (130) and the fourth reinforcement plate (140) are located on the vehicle body rear wheel cover inner plate (310) The above.
4. The vehicle body side reinforcement structure according to claim 1, wherein the C-pillar reinforcement structure further comprises a fifth reinforcement plate (150) and a sixth reinforcement plate (160) which are symmetrical, the fifth reinforcement plate (150) is connected to the third reinforcement plate (130) at one end and is located on the inner surface of one of the C-pillar inner plates at the other end, and the sixth reinforcement plate (160) is connected to the fourth reinforcement plate (140) at one end and is located on the inner surface of the other C-pillar inner plate at the other end.
5. The vehicle body quarter reinforcing structure according to claim 1, wherein a second connecting plate (230) is provided on a side of said reinforcing plate (210) remote from said support reinforcing plate (220), said second connecting plate (230) being connected to an upper end of an outer surface of said side sill of the tailgate.
6. The vehicle body side wall reinforcing structure according to claim 5, wherein the D-pillar reinforcing structure further comprises a third connecting plate (240), the third connecting plate (240) is arranged at the lower end of the outer surface of the side sill of the tailgate, the third connecting plate (240) is connected with the second connecting plate (230), a flap (241) is arranged on one side of the third connecting plate (240), and the flap (241) is connected with the inner surface of the side sill of the tailgate.
7. The vehicle body side wall reinforcing structure according to claim 6, wherein a fourth connecting plate (250) is arranged on the other side of the third connecting plate (240), the fourth connecting plate (250) is connected with the outer surface of the side plate on the side of the tail gate on the vehicle body, a fifth connecting plate (260) is arranged on the folded plate (241), and the fifth connecting plate (260) is connected with the inner surface of the side plate on the side of the tail gate on the vehicle body.
8. The vehicle body quarter reinforcing structure according to claim 1, wherein said D-pillar reinforcing structure further comprises a sixth connecting plate (270), said sixth connecting plate (270) is semicircular, said sixth connecting plate (270) is disposed on a groove edge of the spare tire housing groove on the vehicle body floor, and said sixth connecting plate (270) is connected to the second reinforcing plate (120).
9. The vehicle body side wall reinforcing structure according to claim 8, wherein symmetrical seventh connecting plates (280) are respectively arranged on two sides of the sixth connecting plate (270), the seventh connecting plates (280) are sequentially composed of a top section (283), a middle section (282) and a bottom section (281) from top to bottom, the top section (283) is symmetrical with the reinforcing plate (210), the middle section (282) is symmetrical with the supporting reinforcing plate (220), the bottom section (281) is tightly attached to the rear wheel cover inner plate, and the middle section (282) is connected with the second reinforcing plate (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202287.5A CN111017032B (en) | 2019-11-29 | 2019-11-29 | Side wall additional strengthening behind automobile body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202287.5A CN111017032B (en) | 2019-11-29 | 2019-11-29 | Side wall additional strengthening behind automobile body |
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| CN111017032A CN111017032A (en) | 2020-04-17 |
| CN111017032B true CN111017032B (en) | 2022-03-04 |
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| CN109733482A (en) * | 2019-02-12 | 2019-05-10 | 北京新能源汽车股份有限公司 | D-pillar reinforcing plate assembly structure for vehicle and vehicle with D-pillar reinforcing plate assembly structure |
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| JP2006069265A (en) * | 2004-08-31 | 2006-03-16 | Mazda Motor Corp | Rear vehicle body structure for vehicle |
| CN101636309A (en) * | 2007-03-30 | 2010-01-27 | 本田技研工业株式会社 | Rear part structure of vehicle body |
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| CN111017032A (en) | 2020-04-17 |
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