CN111645759B - Automobile rear side wall reinforcing frame, automobile rear side wall assembly and automobile - Google Patents
Automobile rear side wall reinforcing frame, automobile rear side wall assembly and automobile Download PDFInfo
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- CN111645759B CN111645759B CN202010357490.6A CN202010357490A CN111645759B CN 111645759 B CN111645759 B CN 111645759B CN 202010357490 A CN202010357490 A CN 202010357490A CN 111645759 B CN111645759 B CN 111645759B
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 195
- 230000002787 reinforcement Effects 0.000 claims abstract description 77
- 239000003351 stiffener Substances 0.000 claims description 94
- 230000005540 biological transmission Effects 0.000 description 13
- 238000003466 welding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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)
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Abstract
The invention discloses an automobile rear side wall reinforcing frame, an automobile rear side wall assembly and an automobile, wherein the automobile rear side wall reinforcing frame is fixedly connected to the rear side wall of the automobile; side wall reinforcement frame includes behind the car: the upper section of the C-column reinforcing plate, the lower section of the C-column reinforcing plate, the upper section of the D-column reinforcing plate and the lower section of the D-column reinforcing plate. The upper section of the C-column reinforcing plate, the lower section of the D-column reinforcing plate and the upper section of the D-column reinforcing plate are fixedly connected end to end in sequence to form a frame structure. The lower section of the C-column reinforcing plate and the lower section of the D-column reinforcing plate are positioned on the outer side of a wheel cover inner plate of the automobile and are respectively fixedly connected with the outer side of the wheel cover inner plate. Through the arrangement of the structure, the automobile rear side wall can be well connected with all parts of the automobile rear side wall. Therefore, the automobile rear side wall reinforcing frame adopting the structure can effectively decompose the impact load of the rear wheel, and the frame structure can better disperse the stress among all parts of the automobile rear side wall, thereby further improving the torsional rigidity and the torsional mode of the automobile.
Description
Technical Field
The invention relates to the field of automobiles, in particular to an automobile rear side wall reinforcing frame, an automobile rear side wall assembly and an automobile.
Background
With the increasing requirements of people on living quality, the automobile is no longer a simple transportation tool, and the requirements of people on automobile use experience are higher and higher. The side walls of a car typically include a C-pillar and a D-pillar, which for a car are primarily subjected to the impact load from the rear wheel shock absorbers. The existing automobile rear side wall reinforcing frame usually adopts a longitudinal local reinforcing plate, one end of the reinforcing plate is connected with a rear wheel cover inner plate, the other end of the reinforcing plate is connected with a rear side wall window frame or an upper joint of a C column, the automobile rear side wall reinforcing frame adopting the structure is only connected with the C column of an automobile and has no connection relation with the D column of the automobile, when the rear wheel of the automobile vibrates, because a force transmission path is not arranged between a rear wheel cover inner plate area (such as the rear wheel cover inner plate and the reinforcing plate) and the D column, the vibration force can only be transmitted through the C column part, and under the condition, the C column part can be stressed in a concentrated manner, so that the local concentrated stress of the rear side wall of the automobile is caused, and the local structural rigidity of the automobile rear side wall is influenced. And further, the torsional rigidity and torsional mode performance of the vehicle body are poor, and the impact load from the rear wheel cannot be effectively decomposed and absorbed.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the C column part can be stressed in a concentrated manner, the local concentrated stress of the rear side wall of an automobile is caused, the local structural rigidity of the rear side wall of the automobile is influenced, the torsional rigidity and torsional mode performance of an automobile body are poor, and the impact load from a rear wheel cannot be effectively decomposed and absorbed due to the reinforcing frame of the rear side wall of the automobile. Therefore, the invention provides the automobile rear side wall reinforcing frame, which enables the rear side wall of an automobile to be stressed uniformly, can improve the torsional rigidity and the torsional mode of the automobile, and can effectively decompose and absorb the impact load from a rear wheel.
In order to solve the problems, the invention provides an automobile rear side wall reinforcing frame which is fixedly connected to the rear side wall of an automobile; side wall reinforcement frame includes behind the car: the upper section of the C-column reinforcing plate, the lower section of the C-column reinforcing plate, the upper section of the D-column reinforcing plate and the lower section of the D-column reinforcing plate; wherein,
the C-pillar stiffener upper section extends in a length direction of the automobile and a height direction of the automobile, the D-pillar stiffener upper section extends in a width direction of the automobile and a height direction of the automobile, the C-pillar stiffener lower section and the D-pillar stiffener lower section both extend in the height direction of the automobile and the length direction of the automobile, and,
the upper section of the C-column reinforcing plate, the lower section of the D-column reinforcing plate and the upper section of the D-column reinforcing plate are fixedly connected end to end in sequence to form a frame structure;
the lower section of the C-column reinforcing plate and the lower section of the D-column reinforcing plate are positioned on the outer side of a wheel cover inner plate of the automobile and are respectively fixedly connected with the outer side of the wheel cover inner plate.
By adopting the technical scheme, the automobile rear side wall reinforcing frame in the embodiment is characterized in that the upper section of the C column reinforcing plate, the lower section of the C column reinforcing plate, the upper section of the D column reinforcing plate, the lower section of the D column reinforcing plate and the wheel cover inner plate are connected with each other to form a frame structure, and the rear side wall reinforcing frame with the structure can be well connected with all parts of the automobile rear side wall. Therefore, the automobile rear side wall reinforcing frame adopting the structure can effectively decompose the impact load of the rear wheel, and the frame structure can better disperse the stress among all parts of the automobile rear side wall so as to avoid the stress in the C column part diversity. The torsional rigidity and torsional mode of the automobile can be further improved.
Further, another embodiment of the present invention provides an automobile quarter reinforcing frame, wherein the C pillar reinforcing plate upper section and the D pillar reinforcing plate upper section are connected to each other to form a reinforcing frame upper portion, and the reinforcing frame upper portion is distributed in an inverted U shape.
Adopt above-mentioned technical scheme, the reinforcing frame upper portion of side wall reinforcing frame behind the car among this embodiment is the distribution of falling U-shaped, can make the power dispersion effect of transmitting in side wall reinforcing frame behind the car better through the setting of this kind of structure, and then can improve the structural rigidity of side wall reinforcing frame behind the car to and can reduce door frame diagonal loading displacement volume simultaneously.
Further, another embodiment of the present invention provides an automobile quarter reinforcing frame, wherein the C-pillar reinforcing plate lower section and the D-pillar reinforcing plate lower section are connected to each other to form a reinforcing frame lower portion, and the reinforcing frame lower portion is distributed in a U shape.
By adopting the technical scheme, the lower part of the reinforcing frame of the automobile rear side wall reinforcing frame in the embodiment is distributed in a U shape, the force dispersing effect transmitted to the automobile rear side wall reinforcing frame can be better through the structure, the structural rigidity of the automobile rear side wall reinforcing frame can be improved, and the rear wheel jumping rigidity can be met.
Further, another embodiment of the present invention provides an automobile quarter reinforcement frame, wherein the C pillar reinforcement plate upper section and the D pillar reinforcement plate upper section each have a left connecting portion, a right connecting portion, and a lower connecting portion, the C pillar reinforcement plate lower section has an upper connecting portion, a left connecting portion, a right connecting portion, and a lower connecting portion, and the D pillar reinforcement plate lower section has an upper connecting portion, a left connecting portion, a lower connecting portion, and a right connecting portion; wherein,
the lower connecting part of the upper section of the C-pillar reinforcing plate is fixedly connected with the upper connecting part of the lower section of the C-pillar reinforcing plate, the right connecting part of the lower section of the C-pillar reinforcing plate is fixedly connected with the left connecting part of the lower section of the D-pillar reinforcing plate, the upper connecting part of the lower section of the D-pillar reinforcing plate is fixedly connected with the lower connecting part of the upper section of the D-pillar reinforcing plate, and the left connecting part of the upper section of the D-pillar reinforcing plate is fixedly connected with the right connecting part of the upper section of the C-pillar reinforcing plate; and is
The lower connecting part of the lower section of the C-column reinforcing plate and the lower connecting part of the lower section of the D-column reinforcing plate are fixedly connected with the wheel cover inner plate; and the number of the first and second groups,
the left connecting part of the upper section of the C-column reinforcing plate, the left connecting part and the lower connecting part of the lower section of the C-column reinforcing plate, the right connecting part of the upper section of the D-column reinforcing plate, and the left connecting part and the right connecting part of the lower section of the D-column reinforcing plate are used for being connected with the rear side wall of an automobile.
Adopt above-mentioned technical scheme, C post reinforcing plate upper segment, C post reinforcing plate hypomere, connect through a plurality of connecting portion between 4 persons of D post reinforcing plate upper segment and D post reinforcing plate hypomere, can make the area of 4 persons' hookup location great, and then can make C post reinforcing plate upper segment, C post reinforcing plate hypomere, it is more firm to connect between 4 persons of D post reinforcing plate upper segment and D post reinforcing plate hypomere, consequently, the setting of this kind of mode can further improve the structural rigidity of side wall reinforcement frame behind the car.
Further, another embodiment of the present invention provides an automobile quarter reinforcement frame, wherein a lower connection portion of the upper section of the C-pillar reinforcement plate is welded to an upper connection portion of the lower section of the C-pillar reinforcement plate, a right connection portion of the lower section of the C-pillar reinforcement plate is welded to a left connection portion of the lower section of the D-pillar reinforcement plate, an upper connection portion of the lower section of the D-pillar reinforcement plate is welded to a lower connection portion of the upper section of the D-pillar reinforcement plate, and a left connection portion of the upper section of the D-pillar reinforcement plate is welded to a right connection portion of the upper section of the C-pillar reinforcement plate; and the lower connecting part of the lower section of the C-column reinforcing plate and the lower connecting part of the lower section of the D-column reinforcing plate are welded with the wheel cover inner plate.
Further, another embodiment of the invention provides an automobile rear side wall assembly, which comprises an A-pillar upper edge beam, a threshold beam, a side wall inner plate, a top cover rear cross beam and a wheel cover inner plate, and the automobile rear side wall assembly further comprises the automobile rear side wall reinforcing frame with the structure; wherein,
the upper section of the C-pillar reinforcing plate is fixedly connected with the upper edge beam of the A-pillar, the upper section of the D-pillar reinforcing plate is fixedly connected with the rear top cover beam, the lower section of the C-pillar reinforcing plate, the lower section of the D-pillar reinforcing plate and the lower section of the D-pillar reinforcing plate are fixedly connected with the side wall inner plate, and the wheel cover inner plate and the lower section of the C-pillar reinforcing plate are fixedly connected with the doorsill beam, so that the automobile rear side wall reinforcing frame is fixed relative to the rear side wall of the automobile.
Adopt above-mentioned technical scheme, because the automobile rear side wall assembly in this embodiment adopts the automobile rear side wall strengthening frame of above-mentioned structure, above-mentioned automobile rear side wall strengthening frame sets up to frame construction, and can be connected with C post and D post in the automobile rear side wall assembly simultaneously, and in the stress transmission process, accessible C post and D post transmission can make the stress that the automobile rear wheel vibration produced further disperse. Therefore, the structural rigidity of the automobile rear side wall assembly can be improved.
Further, another embodiment of the present invention provides an automobile quarter assembly when the C-pillar reinforcement plate upper section and the D-pillar reinforcement plate upper section have a left connecting portion, a right connecting portion, and a lower connecting portion; the left connecting portion of the upper section of the C-pillar reinforcing plate is fixedly connected with one end of the A-pillar upper edge beam, the upper section of the D-pillar reinforcing plate is further provided with an upper connecting portion, the upper connecting portion of the upper section of the D-pillar reinforcing plate is fixedly connected with one end of the top cover rear cross beam, the right connecting portion of the lower section of the C-pillar reinforcing plate, the right connecting portion of the upper section of the D-pillar reinforcing plate, the left connecting portion and the right connecting portion of the lower section of the D-pillar reinforcing plate are fixedly connected with the side wall inner plate, and the lower connecting portion and the left connecting portion of the lower section of the C-pillar reinforcing plate and the wheel cover inner plate are fixedly connected with the doorsill beam.
By adopting the technical scheme, the rear side wall reinforcing frame of the automobile is connected with a plurality of positions in the rear side wall assembly of the automobile, so that the rear side wall reinforcing frame of the automobile is more firmly connected with other parts in the rear side wall assembly of the automobile, and the structural rigidity of the rear side wall assembly of the automobile is better.
Further, another embodiment of the present invention provides an automobile rear side wall assembly, wherein the left connecting portion of the C-pillar stiffener upper section is welded to one end of the a-pillar upper beam, the upper connecting portion of the D-pillar stiffener upper section is welded to one end of the roof rear cross beam, the right connecting portion of the C-pillar stiffener lower section, the right connecting portion of the D-pillar stiffener upper section, the left connecting portion and the right connecting portion of the D-pillar stiffener lower section are all welded to the side wall inner panel, and the lower connecting portion and the left connecting portion of the C-pillar stiffener lower section and the wheel cover inner panel are all welded to the sill.
Further, another embodiment of the present invention provides an automobile, which includes an automobile body, and the automobile back side wall assembly with the above structure, wherein the automobile back side wall assembly is fixedly connected to the automobile body.
Adopt above-mentioned technical scheme, the automobile in this embodiment adopts the automobile rear side wall assembly of above-mentioned structure, and the rear side wall in the automobile rear side wall assembly that has above-mentioned structure strengthens the frame and sets up to frame construction, and can be connected with C post and D post in the automobile rear side wall assembly simultaneously, and in the stress transmission process, accessible C post and D post transmission can make the stress that the automobile rear wheel vibration produced further disperse. Therefore, the structural rigidity of the automobile rear side wall assembly can be improved, and the torsional rigidity and the torsional mode of an automobile can be further improved.
Further, another embodiment of the present invention provides an automobile when the C-pillar stiffener upper section and the D-pillar stiffener upper section have a left connecting portion, a right connecting portion, and a lower connecting portion; the other end of the A-pillar upper edge beam, the other end of the threshold beam and the other end of the top cover rear cross beam are welded with the automobile body, so that the automobile rear side wall assembly is fixed relative to the automobile body; and,
the pillar A upper edge beam, the threshold beam, the automobile rear side wall reinforcing frame and the automobile body are connected with each other to form an annular closed structure.
By adopting the technical scheme, the A-pillar upper edge beam, the threshold beam, the automobile rear side wall reinforcing frame and the automobile body are connected with each other to form an annular closed structure, the bending rigidity of the automobile body is favorably improved by the arrangement of the structure, and meanwhile, the structure has large contribution to side impact energy absorption and force transmission.
Additional features and corresponding advantages of the invention are set forth in the description which follows, and it is understood that at least some of the advantages will be apparent from the description of the invention.
Drawings
Fig. 1 is a schematic structural view of an automobile rear side panel reinforcement frame in embodiment 1 of the present invention;
FIG. 2 is a schematic view of a partial front view structure of the automobile quarter panel assembly in embodiment 2 of the invention;
fig. 3 is a schematic view of a partial rear view structure of the automobile rear side panel assembly in embodiment 2 of the present invention.
Description of reference numerals:
1: an automobile rear side wall assembly;
10: a rear side wall reinforcing frame of the automobile;
110: c column reinforcing plate upper section;
111: a left connecting portion; 112: a right connecting portion; 113: a lower connecting portion;
120: the lower section of the C-column reinforcing plate;
121: an upper connecting portion; 122: a left connecting portion; 123: a right connecting portion; 124: a lower connecting portion;
130: d, an upper section of a column reinforcing plate;
131: a left connecting portion; 132: a right connecting portion; 133: a lower connecting portion; 134: an upper connecting portion;
140: the lower section of the D column reinforcing plate;
141: an upper connecting portion; 142: a left connecting portion; 143: a right connecting portion; 144: a lower connecting portion;
20: a wheel house inner plate;
30: an A column is provided with an edge beam;
40: a threshold beam;
50: a side wall inner plate;
60: a top cover rear cross beam.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention has been described in connection with the embodiments for the purpose of covering alternatives or modifications as may be extended based on the claims of the invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, an embodiment of the present embodiment provides an automobile rear side wall reinforcement frame 10 fixedly connected to a rear side wall of an automobile; the automobile rear side wall reinforcing frame 10 includes: a C-pillar stiffener upper section 110, a C-pillar stiffener lower section 120, a D-pillar stiffener upper section 130, and a D-pillar stiffener lower section 140.
Specifically, in the present embodiment, the C-pillar stiffener upper section 110 extends in the longitudinal direction of the vehicle and the height direction of the vehicle, the D-pillar stiffener upper section 130 extends in the width direction of the vehicle and the height direction of the vehicle, and both the C-pillar stiffener lower section 120 and the D-pillar stiffener lower section 140 extend in the height direction of the vehicle and the length direction of the vehicle.
More specifically, in the present embodiment, the C-pillar stiffener upper section 110, the C-pillar stiffener lower section 120, the D-pillar stiffener lower section 140, and the D-pillar stiffener upper section 130 are fixedly connected end to end in sequence to form a frame structure.
More specifically, in the present embodiment, the C-pillar stiffener lower section 120 and the D-pillar stiffener lower section 140 are located outside the wheel house inner panel 20 of the automobile, and are fixedly connected to the outside of the wheel house inner panel 20, respectively.
More specifically, in the present embodiment, the automobile rear side wall reinforcement frame 10 is formed by connecting the C-pillar reinforcement plate upper section 110, the C-pillar reinforcement plate lower section 120, the D-pillar reinforcement plate upper section 130, the D-pillar reinforcement plate lower section 140, and the wheel house inner panel 20, and the C-pillar reinforcement plate upper section 110, the C-pillar reinforcement plate lower section 120, the D-pillar reinforcement plate lower section 140, the D-pillar reinforcement plate upper section 130, and the wheel house inner panel 20 to each other to form a frame structure (such as the structure shown in fig. 1). Therefore, the automobile rear side wall reinforcing frame 10 adopting the structure can effectively decompose the impact load of the rear wheel, and the frame structure can better disperse the stress among various parts of the automobile rear side wall so as to avoid the stress in the C column part diversity. The torsional rigidity and torsional mode of the automobile can be further improved.
Further, another embodiment of the present embodiment provides an automobile quarter reinforcing frame 10, wherein the C-pillar reinforcing plate upper section 110 and the D-pillar reinforcing plate upper section 130 are connected to each other to form a reinforcing frame upper portion, and the reinforcing frame upper portion is distributed in an inverted U shape (as shown in the upper half portion of fig. 1).
Specifically, in this embodiment, the reinforcing frame upper portion of the automobile rear side wall reinforcing frame 10 is distributed in an inverted U shape, and the force dispersion effect transmitted to the automobile rear side wall reinforcing frame 10 can be better through the arrangement of the structure, so that the structural rigidity of the automobile rear side wall reinforcing frame 10 can be improved, and the diagonal loading displacement of the door frame can be reduced.
Further, another embodiment of the present embodiment provides an automobile side wall reinforcing frame 10, wherein the C-pillar reinforcing plate lower section 120 and the D-pillar reinforcing plate lower section 140 are connected to each other to form a reinforcing frame lower portion, and the reinforcing frame lower portion is distributed in a U-shape (as shown in the lower half of fig. 1).
Specifically, the reinforcing frame lower part of the automobile rear side wall reinforcing frame 10 in the embodiment is distributed in a U shape, and the force transmitted to the automobile rear side wall reinforcing frame 10 can be better dispersed through the structure, so that the structural rigidity of the automobile rear side wall reinforcing frame 10 can be improved, and the rear wheel jumping rigidity can be simultaneously met.
Further, another embodiment of the present embodiment provides an automobile quarter reinforcing frame 10, wherein each of the C pillar stiffener upper section 110 and the D pillar stiffener upper section 130 has a left connecting portion (111, 131), a right connecting portion (112, 132), and a lower connecting portion (113, 133), the C pillar stiffener lower section 120 has an upper connecting portion 121, a left connecting portion 122, a right connecting portion 123, and a lower connecting portion 124, and the D pillar stiffener lower section 140 has an upper connecting portion 141, a left connecting portion 142, a lower connecting portion 143, and a right connecting portion 144.
Specifically, the lower connection portion 113 of the C-pillar stiffener upper section 110 is fixedly connected with the upper connection portion 121 of the C-pillar stiffener lower section 120, the right connection portion 123 of the C-pillar stiffener lower section 120 is fixedly connected with the left connection portion 142 of the D-pillar stiffener lower section 140, the upper connection portion 141 of the D-pillar stiffener lower section 140 is fixedly connected with the lower connection portion 133 of the D-pillar stiffener upper section 130, and the left connection portion 131 of the D-pillar stiffener upper section 130 is fixedly connected with the right connection portion 112 of the C-pillar stiffener upper section 110; and is
More specifically, the lower connection portion 124 of the C-pillar stiffener lower segment 120 and the lower connection portion 144 of the D-pillar stiffener lower segment 140 are both fixedly connected to the wheel house inner panel 20.
More specifically, the left connecting portion 111 of the C-pillar stiffener upper section 110, the left connecting portion 122 and the lower connecting portion 124 of the C-pillar stiffener lower section 120, the right connecting portion 132 of the D-pillar stiffener upper section 130, and the left connecting portion 142 and the right connecting portion 143 of the D-pillar stiffener lower section 140 are used for connecting with the rear side of the automobile.
More specifically, the upper C-pillar stiffener 110, the lower C-pillar stiffener 120, the upper D-pillar stiffener 130, and the lower D-pillar stiffener 1404 are connected by a plurality of connecting portions, so that the areas of the connecting positions of 4 are larger, and the upper C-pillar stiffener 110, the lower C-pillar stiffener 120, the upper D-pillar stiffener 130, and the lower D-pillar stiffener 1404 are more firmly connected, and therefore, the arrangement in this way can further improve the structural rigidity of the rear side reinforcement frame 10.
Further, another embodiment of the present embodiment provides an automobile quarter reinforcement frame 10, which can be seen from fig. 3 in embodiment 2, where a lower connection portion 113 of the C-pillar reinforcement plate upper section 110 is welded to an upper connection portion 121 of the C-pillar reinforcement plate lower section 120 (welding at C in fig. 3), a right connection portion 123 of the C-pillar reinforcement plate lower section 120 is welded to a left connection portion 142 of the D-pillar reinforcement plate lower section 140, an upper connection portion 141 of the D-pillar reinforcement plate lower section 140 is welded to a lower connection portion 133 of the D-pillar reinforcement plate upper section 130 (welding at g in fig. 3), and a left connection portion 131 of the D-pillar reinforcement plate upper section 130 is welded to a right connection portion 112 of the C-pillar reinforcement plate upper section 110 (welding at D and e in fig. 3); and the lower connecting part 124 of the C-pillar stiffener lower section 120 and the lower connecting part 144 of the D-pillar stiffener lower section 140 are welded to the wheel house inner panel 20 (the welding is performed at the positions p and n in FIG. 3).
It should be understood that the above components are not limited to welding connection, and may be fixed by other connection methods, which may be set according to actual design and use requirements, and this embodiment is not limited thereto.
The embodiment provides an automobile rear side wall reinforcing frame 10 which is fixedly connected to the rear side wall of an automobile; the automobile rear side wall reinforcing frame 10 includes: a C-pillar stiffener upper section 110, a C-pillar stiffener lower section 120, a D-pillar stiffener upper section 130, and a D-pillar stiffener lower section 140. The C pillar upper section 110 extends in the length direction of the vehicle and the height direction of the vehicle, the D pillar upper section 130 extends in the width direction of the vehicle and the height direction of the vehicle, and both the C pillar lower section 120 and the D pillar lower section 140 extend in the height direction of the vehicle and the length direction of the vehicle. The C-pillar reinforcement upper section 110, the C-pillar reinforcement lower section 120, the D-pillar reinforcement lower section 140 and the D-pillar reinforcement upper section 130 are fixedly connected end to end in sequence to form a frame structure. The lower C-pillar reinforcement 120 and the lower D-pillar reinforcement 140 are located outside the wheel house inner 20 of the automobile and are fixedly connected to the outside of the wheel house inner 20. Through the arrangement of the structure, the automobile rear side wall can be well connected with all parts of the automobile rear side wall. Therefore, the automobile rear side wall reinforcing frame 10 adopting the structure can effectively decompose the impact load of the rear wheel, and the frame structure can better disperse the stress among various parts of the automobile rear side wall so as to avoid the stress in the C column part diversity. The torsional rigidity and torsional mode of the automobile can be further improved.
Example 2:
the embodiment provides an automobile rear side wall assembly, as shown in fig. 2-3, the automobile rear side wall assembly 1 includes an a-pillar upper side rail 30, a threshold beam 40, a side wall inner panel 50, a roof rear cross rail 60 and a wheel cover inner panel 20, and the automobile rear side wall assembly 1 further includes the automobile rear side wall reinforcing frame 10 in embodiment 1.
Specifically, in the present embodiment, the C-pillar stiffener upper section 110 is fixedly connected to the a-pillar roof side rail 30, the D-pillar stiffener upper section 130 is fixedly connected to the roof rear cross rail 60, the C-pillar stiffener lower section 120, the D-pillar stiffener lower section 140, and the D-pillar stiffener lower section 140 are fixedly connected to the side wall inner panel 50, and the wheel house inner panel 20 and the C-pillar stiffener lower section 120 are fixedly connected to the rocker 40, so that the automobile rear side wall reinforcement frame 10 is fixed to the rear side wall of the automobile.
More specifically, because the automobile rear side wall assembly 1 in the embodiment adopts the automobile rear side wall reinforcing frame 10 with the above structure, the automobile rear side wall reinforcing frame 10 is set to be of a frame structure and can be connected with the C column and the D column in the automobile rear side wall assembly 1 simultaneously, and in the stress transmission process, the stress generated by the vibration of the automobile rear wheel can be further dispersed through the transmission of the C column and the D column. Therefore, the structural rigidity of the automobile quarter panel assembly 1 can be improved.
Further, another embodiment of the present invention provides an automobile rear side wall assembly 1, wherein the left connecting portion 111 of the C-pillar stiffener upper section 110 is fixedly connected to one end of the a-pillar top rail 30, the D-pillar stiffener upper section 130 further has an upper connecting portion, the upper connecting portion 134 of the D-pillar stiffener upper section 130 is fixedly connected to one end of the roof rear cross member 60, the right connecting portion 123 of the C-pillar stiffener lower section 120, the right connecting portion 132 of the D-pillar stiffener upper section 130, the left connecting portion 142 of the D-pillar stiffener lower section 140, and the right connecting portion are all fixedly connected to the side wall inner panel 50, and the lower connecting portion 124 and the left connecting portion of the C-pillar stiffener lower section 120, and the wheel house inner panel 20 are all fixedly connected to the sill 40.
Specifically, in this embodiment, the rear side wall reinforcing frame 10 of the automobile is connected to a plurality of positions in the rear side wall assembly of the automobile, so that the rear side wall reinforcing frame 10 of the automobile is connected to other components in the rear side wall assembly of the automobile more firmly, and the structural rigidity of the rear side wall assembly of the automobile is better.
Further, another embodiment of the present invention provides an automobile rear side wall assembly 1, wherein the left connecting portion 111 of the C-pillar stiffener upper section 110 is welded to one end of the a-pillar top rail 30, the upper connecting portion 134 of the D-pillar stiffener upper section 130 is welded to one end of the roof rear cross rail 60, the right connecting portion 123 of the C-pillar stiffener lower section 120, the right connecting portion 132 of the D-pillar stiffener upper section 130, the left connecting portion 142 and the right connecting portion of the D-pillar stiffener lower section 140 are all welded to the side wall inner panel 50, and the lower connecting portion 124 and the left connecting portion of the C-pillar stiffener lower section 120 and the wheel cover inner panel 20 are all welded to the rocker 40.
In particular, as shown in figure 3,
the C-pillar reinforcement plate upper section 110 is welded with the A-pillar upper edge beam assembly 30 at a position a;
the C-pillar reinforcement upper section 110 is welded with the D-pillar reinforcement upper section 130 at the position b;
the C-pillar stiffener upper section 110 is welded to the C-pillar stiffener lower section 120 at C;
the lower section 120 of the C-pillar reinforcing plate is welded with the side wall inner plate 50 at the position e;
the lower section 120 of the C-pillar reinforcement plate is welded with the wheel cover inner plate 20 at the position p;
the C-pillar stiffener lower section 120 is welded to the rocker beam 40 at f;
the D-column reinforcing plate upper section 130 is welded with the top cover rear cross beam 60 at a position h;
the upper section 130 of the D column reinforcing plate is welded with the lower section 140 of the D column reinforcing plate at the position g;
the upper section 130 of the D-column reinforcing plate is welded with the side wall inner plate 50 at j and k;
the lower section 140 of the D-pillar reinforcing plate is welded with the side wall inner plate 50 at the positions D and m;
the lower section 140 of the D-column reinforcing plate is welded with the wheel cover inner plate 20 at the position n;
the wheel house inner panel 20 and the rocker beam 40 are welded at s.
According to the automobile quarter assembly 1 provided in this embodiment, as shown in fig. 2 to fig. 3, the automobile quarter assembly 1 adopts the automobile quarter reinforcement frame 10 with the above structure, the automobile quarter reinforcement frame 10 is formed by connecting the C pillar reinforcement plate upper section 110, the C pillar reinforcement plate lower section 120, the D pillar reinforcement plate upper section 130, the D pillar reinforcement plate lower section 140 and the wheel cover inner panel 20, and the C pillar reinforcement plate upper section 110, the C pillar reinforcement plate lower section 120, the D pillar reinforcement plate lower section 140, the D pillar reinforcement plate upper section 130 and the wheel cover inner panel 20 to form a frame structure, and the quarter reinforcement frame with such a structure can be well connected with various parts of the automobile quarter. Therefore, the automobile rear side wall reinforcing frame 10 adopting the structure can effectively decompose the impact load of the rear wheel, and the frame structure can better disperse the stress among various parts of the automobile rear side wall so as to avoid the stress in the C column part diversity. In the stress transmission process, the stress generated by the vibration of the rear wheel of the automobile can be further dispersed through the transmission of the C column and the D column, and the structural rigidity of the automobile rear side wall assembly 1 can be further improved.
Example 3:
the embodiment provides an automobile, please refer to fig. 1 in embodiment 1 and fig. 2 and fig. 3 in embodiment 2, the automobile comprises an automobile body, and an automobile back side wall assembly 1 with the structure, wherein the automobile back side wall assembly 1 is fixedly connected to the automobile body.
Specifically, the automobile in the embodiment adopts the automobile rear side wall assembly 1 with the structure, the rear side wall reinforcing frame in the automobile rear side wall assembly 1 with the structure is set to be of a frame structure and can be connected with the C column and the D column in the automobile rear side wall assembly 1 simultaneously, and in the stress transmission process, the stress generated by the vibration of the automobile rear wheel can be further dispersed through the transmission of the C column and the D column. Therefore, the structural rigidity of the automobile rear side wall assembly 1 can be improved, and the torsional rigidity and the torsional mode of an automobile can be further improved.
Further, another embodiment of the present embodiment provides an automobile, wherein the other end of the a-pillar roof side rail 30, the other end of the rocker 40 and the other end of the roof cross rail 60 are welded to the automobile body, so that the automobile quarter assembly 1 is fixed relative to the automobile body, and the a-pillar roof side rail 30, the rocker 40, the automobile quarter reinforcement frame 10 and the automobile body are connected with each other to form an annular closed structure.
Specifically, the a-pillar roof side rail 30, the rocker beam 40, the vehicle quarter reinforcement frame 10 and the vehicle body are connected with each other to form an annular closed structure (as shown in fig. 2), and the arrangement of the structure is favorable for improving the bending rigidity of the vehicle body and has a large contribution to side impact energy absorption and force transmission.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A rear side wall reinforcing frame of an automobile is fixedly connected to the rear side wall of the automobile; its characterized in that, side wall reinforcing frame includes behind the car: the upper section of the C-column reinforcing plate, the lower section of the C-column reinforcing plate, the upper section of the D-column reinforcing plate and the lower section of the D-column reinforcing plate; wherein,
the C-pillar stiffener upper section extends in a length direction of the automobile and a height direction of the automobile, the D-pillar stiffener upper section extends in a width direction of the automobile and a height direction of the automobile, the C-pillar stiffener lower section and the D-pillar stiffener lower section both extend in the height direction of the automobile and the length direction of the automobile, and,
the upper section of the C-column reinforcing plate, the lower section of the D-column reinforcing plate and the upper section of the D-column reinforcing plate are fixedly connected end to end in sequence to form a frame structure;
the upper sections of the C-column reinforcing plates and the D-column reinforcing plates are connected with each other to form the upper part of a reinforcing frame, and the upper part of the reinforcing frame is distributed in an inverted U shape;
the lower sections of the C-column reinforcing plate and the D-column reinforcing plate are connected with each other to form a lower part of a reinforcing frame, and the lower part of the reinforcing frame is distributed in a U shape;
the lower sections of the C-column reinforcing plate and the D-column reinforcing plate are positioned on the outer sides of wheel cover inner plates of the automobiles and are respectively fixedly connected with the outer sides of the wheel cover inner plates; and is
The upper C-pillar reinforcement section and the upper D-pillar reinforcement section are respectively provided with a left connecting part, a right connecting part and a lower connecting part, the lower C-pillar reinforcement section is provided with an upper connecting part, a left connecting part, a right connecting part and a lower connecting part, and the lower D-pillar reinforcement section is provided with an upper connecting part, a left connecting part, a lower connecting part and a right connecting part; wherein,
the lower connecting part of the upper section of the C-column reinforcing plate is fixedly connected with the upper connecting part of the lower section of the C-column reinforcing plate, the right connecting part of the lower section of the C-column reinforcing plate is fixedly connected with the left connecting part of the lower section of the D-column reinforcing plate, the upper connecting part of the lower section of the D-column reinforcing plate is fixedly connected with the lower connecting part of the upper section of the D-column reinforcing plate, and the left connecting part of the upper section of the D-column reinforcing plate is fixedly connected with the right connecting part of the upper section of the C-column reinforcing plate; and is
The lower connecting part of the lower section of the C-column reinforcing plate and the lower connecting part of the lower section of the D-column reinforcing plate are fixedly connected with the wheel cover inner plate; and the number of the first and second groups,
the left connecting part of the upper section of the C-column reinforcing plate, the left connecting part and the lower connecting part of the lower section of the C-column reinforcing plate, the right connecting part of the upper section of the D-column reinforcing plate, and the left connecting part and the right connecting part of the lower section of the D-column reinforcing plate are used for being connected with the rear side wall of an automobile.
2. The automobile quarter reinforcement frame according to claim 1, wherein a lower connection portion of the C-pillar reinforcement plate upper section is welded to an upper connection portion of the C-pillar reinforcement plate lower section, a right connection portion of the C-pillar reinforcement plate lower section is welded to a left connection portion of the D-pillar reinforcement plate lower section, an upper connection portion of the D-pillar reinforcement plate lower section is welded to a lower connection portion of the D-pillar reinforcement plate upper section, and a left connection portion of the D-pillar reinforcement plate upper section is welded to a right connection portion of the C-pillar reinforcement plate upper section; and the lower connecting part of the lower section of the C-column reinforcing plate and the lower connecting part of the lower section of the D-column reinforcing plate are welded with the wheel cover inner plate.
3. An automobile rear side wall assembly, which comprises an A-pillar upper side beam, a threshold beam, a side wall inner plate, a top cover rear cross beam and a wheel cover inner plate, and is characterized by further comprising an automobile rear side wall reinforcing frame according to any one of claims 1-2; wherein,
the upper section of the C-pillar reinforcing plate is fixedly connected with the upper edge beam of the A-pillar, the upper section of the D-pillar reinforcing plate is fixedly connected with the rear top cover beam, the lower section of the C-pillar reinforcing plate, the lower section of the D-pillar reinforcing plate and the lower section of the D-pillar reinforcing plate are fixedly connected with the side wall inner plate, and the wheel cover inner plate and the lower section of the C-pillar reinforcing plate are fixedly connected with the doorsill beam, so that the automobile rear side wall reinforcing frame is fixed relative to the rear side wall of the automobile.
4. The vehicle quarter subassembly of claim 3, wherein when said C pillar stiffener upper section and said D pillar stiffener upper section have a left connection, a right connection, and a lower connection; the left connecting portion of the upper section of the C-pillar reinforcing plate is fixedly connected with one end of the A-pillar upper edge beam, the upper section of the D-pillar reinforcing plate is further provided with an upper connecting portion, the upper connecting portion of the upper section of the D-pillar reinforcing plate is fixedly connected with one end of the top cover rear cross beam, the right connecting portion of the lower section of the C-pillar reinforcing plate, the right connecting portion of the upper section of the D-pillar reinforcing plate, the left connecting portion and the right connecting portion of the lower section of the D-pillar reinforcing plate are fixedly connected with the side wall inner plate, and the lower connecting portion and the left connecting portion of the lower section of the C-pillar reinforcing plate and the wheel cover inner plate are fixedly connected with the doorsill beam.
5. The vehicle quarter assembly as set forth in claim 4, wherein said left connecting portion of said C-pillar stiffener upper section is welded to one end of said A-pillar upper rail, said upper connecting portion of said D-pillar stiffener upper section is welded to one end of said roof side rail, said right connecting portion of said C-pillar stiffener lower section, said right connecting portion of said D-pillar stiffener upper section, said left connecting portion and said right connecting portion of said D-pillar stiffener lower section are welded to said side sill inner panel, and said lower connecting portion and left connecting portion of said C-pillar stiffener lower section and said wheel house inner panel are welded to said sill beam.
6. An automobile comprising a body, wherein the automobile further comprises the automobile rear side wall assembly of any one of claims 3-5, wherein the automobile rear side wall assembly is fixedly connected to the body.
7. The automobile of claim 6, wherein when the C-pillar stiffener upper section and the D-pillar stiffener upper section have a left connection, a right connection, and a lower connection; the other end of the A-pillar upper edge beam, the other end of the threshold beam and the other end of the top cover rear cross beam are welded with the automobile body, so that the automobile rear side wall assembly is fixed relative to the automobile body; and also,
the A-pillar upper edge beam, the threshold beam, the automobile rear side wall reinforcing frame and the automobile body are connected with one another to form an annular closed structure.
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CN115214787B (en) * | 2022-03-14 | 2023-09-29 | 广州汽车集团股份有限公司 | Vehicle body rear structure and automobile |
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CN101357649A (en) * | 2008-09-17 | 2009-02-04 | 重庆长安汽车股份有限公司 | Vehicle side-wall inner-plate |
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