CN114735083A - Automobile body C post assembly and car - Google Patents
Automobile body C post assembly and car Download PDFInfo
- Publication number
- CN114735083A CN114735083A CN202210483345.1A CN202210483345A CN114735083A CN 114735083 A CN114735083 A CN 114735083A CN 202210483345 A CN202210483345 A CN 202210483345A CN 114735083 A CN114735083 A CN 114735083A
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- plate
- wheel
- panel
- pillar
- wheel house
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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
-
- 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
- B62D25/08—Front or rear portions
- B62D25/16—Mud-guards or wings; Wheel cover panels
- B62D25/18—Parts or details thereof, e.g. mudguard flaps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a vehicle body C column assembly and an automobile, relating to the field of vehicle body structures and comprising: the wheel cover inner plate is arranged on one side of the wheel cover inner plate close to the door opening seam allowance; the wheel casing outer plate is connected with the wheel casing inner plate and the wheel casing inner plate reinforcing plate; the C-pillar assembly is divided into an energy absorption area and a reinforcing area by taking the rabbet of the side door frame of the vehicle body as a boundary line, the wheel cover inner plate and the wheel cover inner plate reinforcing plate are taken as the reinforcing area to improve the side impact strength, and the wheel cover outer plate is taken as the energy absorption area to absorb the impact energy, so that the safety of passengers in the rear row is improved, the integral strength of the assembly can be reduced, and the manufacturing cost can be reduced.
Description
Technical Field
The invention belongs to the field of vehicle body structures, and particularly relates to a vehicle body C-column assembly and an automobile.
Background
With the upgrade of C-NCAP and the addition of C-IASI, the collision safety requirements of automobiles on rear-row passengers are higher and higher, and the C column assembly plays a crucial role in the side collision safety of the rear-row passengers.
In the past, the side of the car body is a rigid body, and the car body structure can only be stronger and stronger in response to higher and higher side impact requirements, which is accompanied by the increase of weight and cost.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a vehicle body C column assembly and a vehicle.
In order to achieve the above object, the present invention provides a C-pillar assembly for a vehicle body, comprising:
the wheel cover inner plate reinforcing plate is arranged on one side, close to a door opening seam allowance, of the wheel cover inner plate;
and the wheel casing outer plate is connected with the wheel casing inner plate and the wheel casing inner plate reinforcing plate.
Optionally, the wheel cover further comprises a doorsill inner plate and a doorsill reinforcing plate, the rear ends of the doorsill inner plate and the doorsill reinforcing plate are connected with the bottom of the front end of the wheel cover outer plate, and the rear ends of the doorsill inner plate correspond to the supporting surfaces of the rear ends of the doorsill reinforcing plate.
Optionally, a notch is formed in a position, close to the rear door lock hook, of the wheel cover inner plate, the notch is matched with the profile of the wheel cover inner plate reinforcing plate, and the thickness of the wheel cover inner plate reinforcing plate is larger than that of the wheel cover outer plate.
Optionally, one side of the wheel casing inner plate reinforcing plate close to the side wall outer plate is connected with the wheel casing outer plate in a welding mode.
Optionally, a C-pillar inner plate is arranged on the upper portion of the wheel casing outer plate, and a C-pillar upper reinforcing plate is arranged on one side, close to the side wall outer plate, of the C-pillar inner plate.
Optionally, a hem glue is arranged between the wheel casing inner plate and the wheel casing inner plate reinforcing plate and between the wheel casing outer plate.
Optionally, a plurality of three-layer plate welding spots are arranged at the joint of the rear ends of the inner sill plate and the reinforcing sill plate and the front end of the outer wheel casing plate.
Optionally, the material of the wheel cover outer plate is a thin steel plate, and the thickness of the thin steel plate is not more than 10 mm.
The invention further provides an automobile which comprises the automobile body C column assembly.
The invention provides a vehicle body C column assembly and a vehicle, which have the beneficial effects that: this automobile body C post assembly provides a new design theory, increased wheel casing inner panel reinforcing plate in the position that the wheel casing inner panel is close to the side collision region, in addition the position at back threshold designs into mutual butt joint with threshold inner panel and threshold reinforcing plate's holding surface, can top-down form the reinforcing district at C post assembly inboard like this, and only be provided with wheel casing planking and threshold reinforcing plate in the C post assembly outside, to its suitable weakening, guarantee that outside intensity is less than the reinforcing district, make automobile body C post assembly like this under the circumstances that reduces whole weight, can also improve the protection intensity to back row passenger.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 illustrates a schematic view of a body position of a C-pillar body assembly according to one embodiment of the present invention.
FIG. 2 illustrates a structural schematic of a vehicle body C-pillar assembly according to one embodiment of the present invention.
Fig. 3 shows an exploded view of the part of fig. 2.
FIG. 4 illustrates a structural side view of a vehicle body C-pillar assembly according to one embodiment of the present invention.
Fig. 5 shows a cross-sectional view a-a of fig. 4.
Fig. 6 shows a cross-sectional view B-B of fig. 4.
FIG. 7 illustrates a structural side view showing a prior art vehicle body C-pillar assembly.
Fig. 8 shows a cross-sectional view of C-C of fig. 7.
Fig. 9 shows a cross-sectional view D-D of fig. 7.
FIG. 10 is a table showing body weight change and side impact performance change for a C-pillar body assembly according to one embodiment of the present invention.
Description of reference numerals:
1. a wheel cover inner plate; 2. a wheel house inner panel reinforcement plate; 3. a wheel house outer plate; 4. a rocker inner panel; 5. a threshold reinforcing plate; 6. a C-pillar inner plate; 7. c column upper reinforcing plate; 8. a collision zone; 9. c-pillar assembly variation zone.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a vehicle body C column assembly, comprising:
the wheel cover inner plate is arranged on one side of the wheel cover inner plate close to the door opening seam allowance;
the wheel casing planking, the wheel casing planking is connected with wheel casing inner panel and wheel casing inner panel reinforcing plate.
Specifically, the C-pillar assembly is defined by a rear door seam allowance, a wheel cover inner plate and a wheel cover inner plate reinforcing plate are arranged in an inner side area, the wheel cover inner plate reinforcing plate is arranged at a position close to a side collision area, so that the collision strength of the inner side can be increased, only the wheel cover outer plate is arranged in an outer side area, the part of the original doorsill reinforcing plate extending to the wheel cover outer plate is cancelled, the outer side area is used as an energy absorption area, collision potential energy is absorbed through deformation of the outer side area, and then the collision potential energy is resisted through a high-strength structure of the inner side area, so that the safety of passengers in the rear row is protected, the total weight of the C-pillar assembly can be reduced, and the manufacturing cost of a vehicle body is reduced.
Optionally, the wheel cover further comprises a threshold inner plate and a threshold reinforcing plate, the rear ends of the threshold inner plate and the threshold reinforcing plate are connected with the bottom of the front end of the wheel cover outer plate, and the rear end of the threshold inner plate corresponds to the supporting surface of the rear end of the threshold reinforcing plate.
Specifically, the wheel house outer panel is connected with the threshold inner panel and the threshold reinforcing panel at a position close to the threshold, and the supporting surfaces of the threshold inner panel and the threshold reinforcing panel are correspondingly designed.
Optionally, a notch is formed in the position, close to the rear door lock hook, of the wheel cover inner plate, the notch is matched with the profile of the wheel cover inner plate reinforcing plate, and the thickness of the wheel cover inner plate reinforcing plate is larger than that of the wheel cover outer plate.
Specifically, in the side impact area, namely a notch is formed in the position, close to the rear door lock hook, of the wheel cover inner plate, and the wheel cover inner plate reinforcing plate is welded to the notch, so that the strength of the inner side of the C-column assembly in the side impact area can be increased, the outline of the wheel cover inner plate reinforcing plate corresponds to the outline of the notch, and the weight of the C-column assembly can be effectively controlled.
Optionally, one side of the wheel casing inner plate reinforcing plate close to the side wall outer plate is welded with the wheel casing outer plate.
Specifically, wheel casing inner panel reinforcement welds behind the wheel casing inner panel, the regional upper portion periphery profile of interior wheel casing of C post inner panel is the same and level mutually, the upper portion periphery profile and the wheel casing planking of wheel casing inner panel weld, in wheel casing inner panel reinforcing plate department, the upper portion and the welding of wheel casing planking of wheel casing inner panel reinforcing plate, all the other positions and the wheel casing inner panel of wheel casing inner panel reinforcing plate are connected, increase the joint strength of wheel casing inner panel reinforcing plate like this, thereby make the wheel casing inner panel reinforcing plate that has high strength exert bigger shock resistance, improve the regional intensity effect in the inboard of C post assembly.
Optionally, a C-pillar inner plate is arranged on the upper portion of the wheel casing outer plate, and a C-pillar upper reinforcing plate is arranged on one side, close to the side wall outer plate, of the C-pillar inner plate.
Specifically, be provided with C post inner panel in the top of wheel casing planking, and the outside of C post inner panel is provided with C post upper portion reinforcing plate, the upper portion and C post inner panel and the main upper portion reinforcing plate of C of wheel casing planking are connected like this, the inboard of wheel casing planking is supported by wheel casing inner panel and wheel casing inner panel reinforcing plate and is connected, the lower part and threshold inner panel and the threshold reinforcing plate of wheel casing planking are connected, the joint strength and the inboard support strength of periphery can be guaranteed to the wheel casing planking like this, when the wheel casing planking receives the side collision impact, constitute crashproof structure through wheel casing planking and connecting piece whole on every side, realize the effect of wheel casing planking energy absorption deformation and the effect of wheel casing inner panel and wheel casing inner panel reinforcement intensity reinforcing.
Optionally, a hemming adhesive is disposed between the wheel cover inner plate and the wheel cover inner plate reinforcing plate and the wheel cover outer plate.
Specifically, in the wheel casing subassembly in the C post assembly, wheel casing inner panel and wheel casing inner panel reinforcement constitute the inboard structure of wheel casing subassembly through the welding earlier, weld inboard structure and the wheel casing planking of outside structure and form the wheel casing subassembly, in order to guarantee the welding strength of wheel casing subassembly, and when satisfying the solder joint interval, the quantity of increase solder joint as far as possible, it replaces the solder joint to scribble the hem glue at the position that does not set up the solder joint, thereby realize that the joint strength of wheel casing subassembly further improves.
Optionally, a plurality of three-layer plate welding spots are arranged at the joint of the rear ends of the inner sill plate and the reinforcing sill plate and the front end of the outer wheel casing plate.
Specifically, the supporting surfaces of the doorsill inner plate and the doorsill reinforcing piece correspond to each other, the wheel casing outer plate extends to a position between the two supporting surfaces, the doorsill inner plate, the wheel casing outer plate and the doorsill reinforcing piece are sequentially attached and placed, three-layer plate welding spots are arranged in the attaching surface area, so that an integral reinforcing structure is formed in the doorsill position of the side collision area through three parts, and the side collision impact resistance is improved.
Optionally, the material of the wheel cover outer plate is a thin steel plate, and the thickness of the thin steel plate is not more than 10 mm.
Specifically, the outer plate of the wheel cover is made of a thin steel plate, and the thickness of the thin steel plate is smaller than 10mm, so that the weight of the C-column assembly can be reduced, and the collision energy absorption function of the outer side of the C-column assembly can be realized.
The invention further provides an automobile which comprises the automobile body C column assembly.
Specifically, when the C post assembly in this scheme is applied to the car, when the car receives the side collision, adopt the rear door invasion volume and the C post invasion volume of the C post assembly that weight is lighter to obviously reduce, can realize the lightweight of car when guaranteeing back row passenger's safety like this to on being applied to other automobile position with the structural design of this C post assembly.
Examples
As shown in fig. 1 to 10, the present invention provides a C-pillar assembly for a vehicle body, including:
the wheel cover inner plate reinforcing plate 2 is arranged on one side, close to a door opening seam allowance, of the wheel cover inner plate 1;
the wheel casing outer plate 3, the wheel casing outer plate 3 and the wheel casing inner plate 1 and the wheel casing inner plate reinforcing plate 2 are connected.
In this embodiment, the wheel cover further includes a rocker inner plate 4 and a rocker reinforcement plate 5, rear ends of the rocker inner plate 4 and the rocker reinforcement plate 5 are connected to a bottom of a front end of the wheel cover outer plate 3, and a supporting surface of the rear end of the rocker inner plate 4 corresponds to a supporting surface of the rear end of the rocker reinforcement plate 5.
In this embodiment, a notch is formed in a position, close to the rear door locking hook, of the wheel casing inner plate 1, the notch is matched with the profile of the wheel casing inner plate reinforcing plate 2, and the thickness of the wheel casing inner plate reinforcing plate 2 is larger than that of the wheel casing outer plate 3.
In the present embodiment, the wheel house inner panel reinforcement plate 2 is welded to the wheel house outer panel 3 on the side thereof close to the quarter outer panel.
In the present embodiment, a C-pillar inner panel 6 is provided on the upper portion of the wheel house outer panel 3, and a C-pillar upper reinforcement panel 7 is provided on the side of the C-pillar inner panel 6 close to the quarter outer panel.
In the present embodiment, a bead filler is provided between the wheel house inner panel 1 and the wheel house inner panel reinforcement plate 2 and the wheel house outer panel 3.
In the embodiment, a plurality of three-layer plate welding spots are arranged at the connection part of the rear ends of the threshold inner plate 4 and the threshold reinforcing plate 5 and the front end of the wheel cover outer plate 3.
In the present embodiment, the material of the wheel house outer panel 3 is a thin steel plate having a thickness of not more than 10 mm.
The invention further provides an automobile which comprises the automobile body C column assembly.
In summary, the C-pillar assembly is located at the middle lower part of the C-pillar of the vehicle body, covers the collision area 8 of the side impact test on the C-pillar, and can protect the safety of the passengers in the rear row, and the C-pillar assembly uses the door opening seam allowance as a boundary line to divide the inner side and the outer side into a reinforcing area and an energy absorption area respectively, wherein the reinforcing area comprises: wheel casing inner panel 1, wheel casing inner panel reinforcing plate 2 and threshold inner panel 4, the energy-absorbing district includes: the wheel cover outer plate 3 and the threshold reinforcing plate 5 reinforce the structural strength of the vehicle body in the reinforcing area, and properly weaken the vehicle body structure in the energy absorption area to ensure that the structural strength of the vehicle body is lower than that of the reinforcing area; at the middle position of the C column, welding the wheel casing inner plate 1 and the wheel casing inner plate reinforcement 2 together and then welding the wheel casing inner plate 2 and the wheel casing outer plate 3, wherein the wheel casing inner plate reinforcement 2 is made of a high-strength steel thin plate or a common steel thick plate, so that the inner side of a door opening seam allowance is reinforced, the wheel casing outer plate 3 is only arranged on the outer side of the door opening seam allowance and is made of a common steel thin plate, and the wheel casing outer plate 3 can play a role in collision energy absorption; and the positions of the transverse supporting surfaces of the rear sections of the inner doorsill plate 4 and the inner doorsill reinforcing plate 5 correspond to each other at the position of the lower part of the C column, and the material or thickness of the rear section of the inner doorsill reinforcing plate 5 is lower than that of the rear section of the inner doorsill plate 4, so that the inner doorsill reinforcing plate 5 can play a role in force transmission and energy absorption. In the structure of the traditional C-pillar assembly, a wheel cover inner plate reinforcing plate is not arranged, the rear section of the threshold reinforcing plate 5 does not cover the middle-lower part area of the C-pillar, and in addition, the supporting surfaces of the rear sections of the threshold inner plate 4 and the threshold reinforcing plate 5 do not form the position relation of butt joint force transmission, so that the structure of the C-pillar assembly is superior to a transmission structure, the weight of a vehicle body can be reduced, and meanwhile, the safety of passengers in the rear row is improved.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (9)
1. A vehicle body C-pillar assembly, comprising:
the wheel cover inner plate reinforcing plate is arranged on one side, close to a door opening seam allowance, of the wheel cover inner plate;
and the wheel casing outer plate is connected with the wheel casing inner plate and the wheel casing inner plate reinforcing plate.
2. The vehicle body C-pillar assembly according to claim 1, further comprising a threshold inner plate and a threshold reinforcement plate, wherein rear ends of the threshold inner plate and the threshold reinforcement plate are connected with a bottom of a front end of the wheel house outer plate, and a supporting surface of the rear end of the threshold inner plate corresponds to a supporting surface of the rear end of the threshold reinforcement plate.
3. The vehicle body C-pillar assembly according to claim 1, wherein a notch is formed in the wheel house inner panel at a position close to the rear door lock hook, the notch is matched with the profile of the wheel house inner panel reinforcing plate, and the thickness of the wheel house inner panel reinforcing plate is larger than that of the wheel house outer panel.
4. The vehicle body C-pillar assembly of claim 1, wherein the wheel house inner panel reinforcement panel is welded to the wheel house outer panel on a side thereof adjacent to the quarter outer panel.
5. The vehicle body C-pillar assembly according to claim 1, wherein a C-pillar inner panel is arranged on the upper portion of the wheel house outer panel, and a C-pillar upper reinforcing panel is arranged on one side of the C-pillar inner panel close to the side wall outer panel.
6. The vehicle body C-pillar assembly of claim 1, wherein a bead bond is disposed between the wheel house inner panel and the wheel house inner panel reinforcement panel and the wheel house outer panel.
7. The C-pillar body assembly according to claim 2, wherein a plurality of three-layer plate welds are provided at the junction of the rear ends of the rocker inner panel and the rocker reinforcement panel and the front end of the wheel house outer panel.
8. The C-pillar body assembly according to claim 1, wherein the material of the wheel house outer panel is a thin steel plate having a thickness of not more than 10 mm.
9. An automobile, characterized by comprising a body C-pillar assembly according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210483345.1A CN114735083B (en) | 2022-05-05 | 2022-05-05 | Car body C post assembly and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210483345.1A CN114735083B (en) | 2022-05-05 | 2022-05-05 | Car body C post assembly and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114735083A true CN114735083A (en) | 2022-07-12 |
| CN114735083B CN114735083B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210483345.1A Active CN114735083B (en) | 2022-05-05 | 2022-05-05 | Car body C post assembly and car |
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| Country | Link |
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| CN (1) | CN114735083B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208868152U (en) * | 2018-08-29 | 2019-05-17 | 无锡英捷汽车科技有限公司 | A kind of side impact structure guaranteeing heel row occupant safety |
| US20190300067A1 (en) * | 2018-03-27 | 2019-10-03 | Toyota Jidosha Kabushiki Kaisha | Wheel house unit structure |
| CN110329357A (en) * | 2019-07-26 | 2019-10-15 | 奇瑞汽车股份有限公司 | C column reinforcement plate connection structure |
| CN209553316U (en) * | 2018-12-07 | 2019-10-29 | 力帆实业(集团)股份有限公司 | A kind of vehicle side rear section structure and side wall assembly |
| CN111791955A (en) * | 2019-04-04 | 2020-10-20 | 马自达汽车株式会社 | Side body structure of vehicle |
| US20200331538A1 (en) * | 2019-04-17 | 2020-10-22 | Mazda Motor Corporation | Vehicle rear body structure |
| CN113147904A (en) * | 2021-05-18 | 2021-07-23 | 上汽通用五菱汽车股份有限公司 | Two electric motor car door ring rib frame subassemblies |
| CN214396958U (en) * | 2021-02-04 | 2021-10-15 | 长城汽车股份有限公司 | Automobile body side wall rear portion structure and automobile body and car |
-
2022
- 2022-05-05 CN CN202210483345.1A patent/CN114735083B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190300067A1 (en) * | 2018-03-27 | 2019-10-03 | Toyota Jidosha Kabushiki Kaisha | Wheel house unit structure |
| CN110304157A (en) * | 2018-03-27 | 2019-10-08 | 丰田自动车株式会社 | Cover portion structure |
| CN208868152U (en) * | 2018-08-29 | 2019-05-17 | 无锡英捷汽车科技有限公司 | A kind of side impact structure guaranteeing heel row occupant safety |
| CN209553316U (en) * | 2018-12-07 | 2019-10-29 | 力帆实业(集团)股份有限公司 | A kind of vehicle side rear section structure and side wall assembly |
| CN111791955A (en) * | 2019-04-04 | 2020-10-20 | 马自达汽车株式会社 | Side body structure of vehicle |
| US20200331538A1 (en) * | 2019-04-17 | 2020-10-22 | Mazda Motor Corporation | Vehicle rear body structure |
| CN110329357A (en) * | 2019-07-26 | 2019-10-15 | 奇瑞汽车股份有限公司 | C column reinforcement plate connection structure |
| CN214396958U (en) * | 2021-02-04 | 2021-10-15 | 长城汽车股份有限公司 | Automobile body side wall rear portion structure and automobile body and car |
| CN113147904A (en) * | 2021-05-18 | 2021-07-23 | 上汽通用五菱汽车股份有限公司 | Two electric motor car door ring rib frame subassemblies |
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| Publication number | Publication date |
|---|---|
| CN114735083B (en) | 2023-09-19 |
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