CN109955909B - Automobile rear frame structure and automobile - Google Patents
Automobile rear frame structure and automobile Download PDFInfo
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- CN109955909B CN109955909B CN201711431126.4A CN201711431126A CN109955909B CN 109955909 B CN109955909 B CN 109955909B CN 201711431126 A CN201711431126 A CN 201711431126A CN 109955909 B CN109955909 B CN 109955909B
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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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- 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
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Abstract
The invention provides an automobile rear frame structure which comprises a D-column joint, a top cover rear cross beam assembly, a C-column structure and a D-column structure, wherein the D-column joint comprises a D-column joint inner plate and a D-column joint outer plate, the D-column joint inner plate is of a Y-shaped structure with a first end part, a second end part and a third end part, the D-column joint outer plate is of a Y-shaped structure with a fourth end part, a fifth end part and a sixth end part, the D-column joint inner plate is connected with the D-column joint outer plate to form a three-way cavity between the D-column joint inner plate and the D-column joint outer plate, the first end part and the fourth end part are lapped to form a first interface, the second end part and the fifth end part are lapped to form a second interface, and the third end part and the sixth end part are lapped to form. Meanwhile, the invention also discloses an automobile comprising the automobile rear frame structure. The automobile rear frame structure provided by the invention can reduce the number of components of the D-pillar joint, improve the rigidity of the connecting position of the D-pillar joint and ensure the continuity of the rigidity.
Description
Technical Field
The invention relates to the technical field of automobile frame structures, in particular to an automobile rear frame structure and an automobile.
Background
The D-column joint is one of important joint structures of an automobile body and directly influences the strength, rigidity, modal and other properties of the whole automobile. Especially, in an MPV (multi-Purpose vehicle) body, a rear door frame is a weak area, and cracks are easily caused due to insufficient strength and rigidity of the rear door frame, so that the quality of a D-pillar joint may affect the quality of the whole body in white. In the existing D column joint technology, three or more parts are needed to connect and form the D column joint, the number of the components is large, the structure needing to be matched inside is large, the structure is very complex, the processing and assembling difficulty is high, and the processing cost is high.
On the other hand, in the prior art, the reinforcement of the C-pillar is usually realized by using a C-pillar inner plate, and the C-pillar inner plate is made of one plate. However, the C-pillar inner panel has a complex structure, the C-pillar inner panel is generally designed by deep drawing a plate, and the rigidity is insufficient, and the connection mode of the C-pillar and the D-pillar does not form a unified whole at the rear of the vehicle body, thereby affecting the rigidity of the vehicle body.
Disclosure of Invention
The invention provides an automobile rear frame structure and an automobile, aiming at the problems of complex structure and high processing and assembling difficulty of a D-pillar joint structure of the existing automobile.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an automobile rear frame structure, beam assembly, C post structure and D post structure behind D post joint, top cap, D post joint includes D post joint inner panel and D post joint planking, D post joint inner panel is the Y type structure that has first end, second end and third end, D post joint planking is the Y type structure that has fourth end, fifth end and sixth end, D post joint inner panel with D post joint planking is connected, in order to form the tee bend chamber between D post joint inner panel and the D post joint planking, first end with fourth end overlap joint is in order to form the first interface that communicates the tee bend chamber, second end with fifth end overlap joint is in order to form the intercommunication the second interface in tee bend chamber, third end with the overlap joint of sixth end is in order to form the third interface that communicates the tee bend chamber, the top cover rear cross beam assembly is connected with the first interface, the D column structure is connected with the second interface, and the C column structure is connected with the third interface.
Optionally, the D-pillar joint inner plate and the D-pillar joint outer plate are of an integrally formed structure.
Optionally, the top cover rear cross beam assembly comprises a top cover rear cross beam upper cover plate and a top cover rear cross beam, and the top cover rear cross beam upper cover plate is connected with the top cover rear cross beam; the top cover rear cross beam is in lap joint with the first end part of the D column joint inner plate, and the top cover rear cross beam upper cover plate is in lap joint with the fourth end part of the D column joint outer plate.
Optionally, the top cover rear cross beam and the one end of the first end lap joint extend to the inside of a three-way cavity of the D-column joint, and the end of the top cover rear cross beam is connected to the intersection position of the first interface, the second interface and the third interface on the D-column joint.
Optionally, the D-pillar structure comprises a D-pillar inner plate lower section and a D-pillar reinforcement plate, and the D-pillar inner plate lower section is connected with the D-pillar reinforcement plate; the lower section of the D column inner plate is in lap joint with the second end part of the D column joint inner plate, and the D column reinforcing plate is in lap joint with the fifth end part of the D column joint outer plate.
Optionally, the C-pillar structure includes a C-pillar inner panel and a top frame reinforcing panel, and the top of the C-pillar inner panel is connected to the top frame reinforcing panel; one side edge of the C column inner plate is in lap joint with the D column joint inner plate, and the edge of the C column inner plate extends from the third end part of the D column joint inner plate to the second end part; the top frame reinforcing plate is in lap joint with the sixth end part of the D column joint outer plate.
Optionally, the C-pillar inner plate 21 is an integrally formed integral plate, the top edge of the C-pillar inner plate is connected to the top frame reinforcing plate, one side edge of the C-pillar inner plate is connected to the D-pillar joint and the D-pillar structure, and the other side edge of the C-pillar inner plate forms a C-pillar supporting structure.
Optionally, the automobile rear frame structure further includes a C-pillar reinforcement and a rear floor, at least a portion of the C-pillar reinforcement is erected on the C-pillar inner panel, one end of the C-pillar reinforcement is connected to the D-pillar joint inner panel, and the other end of the C-pillar reinforcement is connected to the rear floor.
Optionally, two end portions of the C-pillar reinforcement are respectively provided with a first connecting portion and a second connecting portion, the first connecting portion is connected to the inner side surface of the D-pillar joint inner plate, which deviates from the D-pillar joint outer plate, and the second connecting portion is connected to the top surface of the rear floor.
Optionally, the automobile rear frame structure further includes a rear wheel casing inner plate, the rear wheel casing inner plate includes a rear wheel casing inner plate rear section and a rear wheel casing inner plate front section, the rear wheel casing inner plate rear section and the rear wheel casing inner plate front section are connected to each other, the rear wheel casing inner plate rear section and the rear wheel casing inner plate front section are located between the C column inner plate and the rear floor, the C column reinforcement has a smooth portion and a bent portion, the smooth portion is erected on the C column inner plate, and the bent portion is erected on the rear wheel casing inner plate rear section.
Optionally, the automobile rear frame structure further includes a rear wheel casing outer plate, and the rear wheel casing outer plate and the rear wheel casing inner plate are respectively connected to two sides of the bottom of the C-pillar inner plate.
Optionally, a component force hole is formed in the middle of the C-pillar inner plate.
An automobile comprises the automobile rear frame structure.
According to the automobile rear frame structure provided by the invention, the D-column joint inner plate and the D-column joint outer plate are mutually overlapped to form the D-column joint, the three-way cavity is formed between the D-column joint inner plate and the D-column joint outer plate, the top cover rear cross beam assembly is connected through the first interface of the three-way cavity, the D-column structure is connected through the second interface of the three-way cavity, and the C-column structure is connected through the third interface of the three-way cavity, so that the required assemblies are greatly reduced, the mutual boosting force is realized between the D-column joint inner plate and the D-column joint outer plate, the rigidity of the connecting position of the D-column joint is improved, the continuity of the rigidity is ensured, the rigidity of an automobile body rear frame formed by the D-column joint inner plate and the top cover rear cross beam assembly.
Drawings
FIG. 1 is an exploded view of the structure of a rear frame structure for an automobile according to the present invention;
FIG. 2 is an exploded view of the D-pillar joint of the rear frame structure of an automobile according to the present invention;
FIG. 3 is a schematic structural view of a D-pillar joint of the rear frame structure of the vehicle according to the present invention;
FIG. 4 is a schematic view of the internal view of the rear frame structure of the vehicle provided by the present invention;
FIG. 5 is a schematic view of another internal perspective of the rear frame structure of the vehicle provided by the present invention;
FIG. 6 is a schematic view of the assembly of the C-pillar inner panel of the rear frame structure of the automobile according to the present invention;
fig. 7 is an external view schematically illustrating a rear frame structure of an automobile according to the present invention.
The reference numbers in the drawings of the specification are as follows:
1. a D column joint; 11. d column joint outer plates; 111. a third bent portion; 112. a second step portion; 113. a fourth end portion; 114. a fifth end portion; 115. a sixth end portion; 12. d column joint inner plate; 121. a first end portion; 122. a second end portion; 123. a third end portion; 13. a first interface; 14. a second interface; 15. a third interface; 2. a C-pillar structure; 21. a C-pillar inner plate; 211. a component force hole; 212. an annular projection; 213. a C-pillar support structure; 22. a top frame stiffener; 3. a D-pillar structure; 31. the lower section of the inner plate of the column D; 311. a first bent portion; 32. a D-pillar reinforcement plate; 321. a second bent portion; 4. a rear wheel house inner plate; 41. a rear wheel cover inner plate front section; 42. a rear wheel cover inner plate rear section; 5. a C-pillar reinforcement; 51. a smoothing section; 52. a bending section; 53. a first connection portion; 54. a second connecting portion; 6. a rear wheel cover outer plate; 7. a top cover rear cross beam assembly; 71. a top cover rear beam upper cover plate; 711. a first step portion; 72. a top cover rear cross member; 8. and (4) a rear floor.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "width direction", "length direction", "height direction", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the 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. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 to 4 and 7, an embodiment of the present invention discloses an automobile rear frame structure, including a D-pillar joint 1, a roof rear cross member assembly 7, a C-pillar structure 2 and a D-pillar structure 3, wherein the D-pillar joint 1 includes a D-pillar joint inner plate 12 and a D-pillar joint outer plate 11, the D-pillar joint inner plate 12 is a Y-shaped structure having a first end 121, a second end 122 and a third end 123, the D-pillar joint outer plate 11 is a Y-shaped structure having a fourth end 113, a fifth end 114 and a sixth end 115, the D-pillar joint inner plate 12 and the D-pillar joint outer plate 11 are connected to form a three-way cavity between the D-pillar joint inner plate 12 and the D-pillar joint outer plate 11, the first end 121 and the fourth end 113 are overlapped to form a first port 13 communicating the three-way cavity, the second end 122 and the fifth end 114 are overlapped to form a second port 14 communicating the three-way cavity, the third end 123 and the sixth end 115 are overlapped to form a third interface 15 communicated with the three-way cavity, the top cover rear cross beam assembly 7 is connected with the first interface 13, the D column structure 3 is connected with the second interface 14, and the C column structure 2 is connected with the third interface 15.
D post joint inner panel 12 with form the tee bend chamber between the D post joint planking 11, on the one hand, form tee bend chamber structure and be favorable to reducing the weight of D post joint 1, on the other hand, tee bend chamber structure is favorable to D post joint inner panel 12 with the conduction of power between the D post joint planking 11 guarantees car rear portion frame construction is at the joint strength of D post joint 1, generally speaking, the cross-section in tee bend chamber is big more, and the intensity promotion effect that it played is better. The first interface 13 faces the width direction of the automobile, and is connected with the top cover rear cross beam assembly 7 through the first interface 13 to form support in the width direction; the second interface 14 faces the height direction of the automobile, and is connected with the D-pillar structure 3 through the second interface 14 to form a support in the height direction; the third interface 15 faces the length direction of the automobile, and is connected with the C-pillar structure 2 through the third interface 15 to form a support in the length direction; required components are greatly reduced, mutual boosting force is provided between the D column joint inner plate 12 and the D column joint outer plate 11, rigidity of the connecting position of the D column joint 1 is improved, rigidity continuity is guaranteed, further rigidity of a vehicle body rear frame formed by the D column joint inner plate and the D column joint outer plate is improved, and a white vehicle body mode is improved.
As shown in fig. 2 and 3, in the present technical solution, the D column joint 1 is composed of a D column joint inner plate 12 and a D column joint outer plate 11 which are combined from top to bottom, and since the top cover rear cross beam assembly 7, the C column structure 2 and the D column structure 3 are all assembly structures including a plurality of components, the D column joint inner plate 12 and the D column joint outer plate 11 can be respectively connected and installed with different components on the top cover rear cross beam assembly 7, the C column structure 2 and the D column structure 3, so as to avoid mutual interference in the installation process, reduce the installation difficulty, ensure the continuity of rigidity, and form an integral structure.
In this embodiment, the D-pillar joint 1 has a Y-shaped structure, and the first port 13, the second port 14, and the third port 15 are respectively located at three ends of the D-pillar joint 1.
Specifically, the D-pillar joint inner panel 12 and the D-pillar joint outer panel 11 are both Y-shaped concave-convex plate-shaped structures that are arc surfaces, the inner arc surface of the D-pillar joint outer panel 11 is connected with the outer arc surface of the D-pillar joint inner panel 12, the outer edge of the D-pillar joint inner panel 12 is joined to the outer edge of the D-pillar joint outer panel 11, and the outer edge of the D-pillar joint inner panel 12 and the outer edge of the D-pillar joint outer panel 11 are separated from each other at three end positions to expose the first interface 13, the second interface 14 and the third interface 15, and the D-pillar joint inner panel 12 and the D-pillar joint outer panel 11 are connected by a fixing structure or a welding connection.
It should be noted that, in other embodiments, the D-pillar joint inner plate and the D-pillar joint outer plate may also be an integrally formed structure, for example, the D-pillar joint is an aluminum casting or other casting.
As shown in fig. 1, in the present embodiment, the roof rear cross member assembly 7 includes a roof rear cross member upper cover plate 71 and a roof rear cross member 72, and the roof rear cross member upper cover plate 71 is connected to the roof rear cross member 72; top cap rear beam 72 with the overlap joint of first end 121 of D post joint inner panel 12, top cap rear beam 72 with the first end 121 of D post joint inner panel 12 has the overlap section top cap rear beam 72 with the overlap section of D post joint inner panel 12 sets up fixed knot to construct and connects fixedly, top cap rear beam upper cover plate 71 with the overlap joint of fourth end 113 of D post joint outer panel 11, top cap rear beam upper cover plate 71 with the fourth end 113 of D post joint outer panel 11 has the overlap section top cap rear beam upper cover plate 71 with the overlap section of D post joint outer panel 11 sets up fixed knot to construct and connects fixedly.
As shown in fig. 7, one end of the rear roof cross beam 72 overlapping the first end 121 extends to the inside of the three-way cavity of the D-pillar joint 1, and the end of the rear roof cross beam 72 is connected to the intersection position of the first interface 13, the second interface 14 and the third interface 15 on the D-pillar joint 1, so that the integrity of the rear frame structure of the automobile is better, and the transmission of force is facilitated.
The rear top cover beam 72 is a main reinforcing structure, the upper top cover plate 71 is an auxiliary reinforcing structure, and the rear top cover beam 72 is in lap joint with the D-column joint inner plate 12, and the upper top cover plate 71 is in lap joint with the D-column joint outer plate 11, so that the rear top cover beam assembly 7 and the D-column joint 1 form a whole, the rigidity of the rear top cover beam assembly 7 is improved, and the strength of the rear part of the automobile is improved.
The roof rear cross beam upper cover plate 71 is provided with a first step part 711, the first step part 711 extends along the width direction of the automobile, a second step part 112 is arranged at the joint position of the D-pillar joint outer plate 11 and the roof rear cross beam upper cover plate 71, and the first step part 711 is jointed with the second step part 112.
In the present embodiment, the D-pillar structure 3 includes a D-pillar inner plate lower section 31 and a D-pillar reinforcement plate 32, and the D-pillar inner plate lower section 31 is connected to the D-pillar reinforcement plate 32; the D-pillar inner plate lower section 31 is overlapped with the second end 122 of the D-pillar joint inner plate 12, the D-pillar inner plate lower section 31 and the second end 122 of the D-pillar joint inner plate 12 have an overlapping part, and a fixing structure is arranged at the overlapping part of the D-pillar inner plate lower section 31 and the D-pillar joint inner plate 12 for connecting and fixing; the D-pillar reinforcement plate 32 is overlapped with the fifth end 114 of the D-pillar joint outer panel 11, the D-pillar reinforcement plate 32 and the fifth end 114 of the D-pillar joint outer panel 11 have an overlapping portion, and a fixing structure is arranged at the overlapping portion of the D-pillar reinforcement plate 32 and the D-pillar joint outer panel 11 for connecting and fixing.
The D-pillar reinforcement plate 32 is used for reinforcing the D-pillar inner plate lower section 31, and the D-pillar structure 3 and the D-pillar joint 1 are integrated into a whole by overlapping the D-pillar inner plate lower section 31 with the D-pillar joint inner plate 12 and overlapping the D-pillar reinforcement plate 32 with the D-pillar joint outer plate 11, so that the rigidity of the D-pillar structure 3 is improved.
A first bent portion 311 is formed by bending one edge of the D-pillar inner panel lower section 31 in a direction of the D-pillar reinforcement panel 32, the first bent portion 311 extends in a height direction of the vehicle, a second bent portion 321 is provided at a position corresponding to the D-pillar reinforcement panel 32, the D-pillar inner panel lower section 31 and the D-pillar reinforcement panel 32 are in limited engagement by the first bent portion 311 and the second bent portion 321, a third bent portion 111 is provided at a position where the D-pillar joint outer panel 11 and the D-pillar reinforcement panel 32 meet, and the second bent portion 321 is overlapped with an end portion of the third bent portion 111.
As shown in fig. 4 to 6, in the present embodiment, the C-pillar structure 2 includes a C-pillar inner panel 21 and a top frame reinforcement panel 22, and the top of the C-pillar inner panel 21 is connected to the top frame reinforcement panel 22; one side edge of the C-pillar inner plate 21 is overlapped with the D-pillar joint inner plate 12, and the edge of the C-pillar inner plate 21 extends from the third end 123 to the second end 122 of the D-pillar joint inner plate 12; specifically, the outer edge of the C-pillar inner panel 21 is also connected to the D-pillar inner panel lower section 31. The C-pillar inner plate 21 and the D-pillar joint inner plate 12 are provided with overlapping parts, and a fixing structure is arranged at the overlapping part of the C-pillar inner plate 21 and the D-pillar joint inner plate 12 for connecting and fixing; the top frame reinforcing plate 22 is overlapped with the sixth end 115 of the D-pillar joint outer plate 11, the top frame reinforcing plate 22 and the sixth end 115 of the D-pillar joint outer plate 11 have an overlapping portion, and a fixing structure is arranged at the overlapping portion of the top frame reinforcing plate 22 and the D-pillar joint outer plate 11 for connection and fixation.
The top frame reinforcing plate 22 is used for right the top of carrying on of C post inner panel 21 is strengthened, through C post inner panel 21 with D post connects 12 overlap joints of inner panel, and the top frame reinforcing plate 22 with 11 overlap joints of D post joint planking, make C post structure 2 and D post connect 1 and form a whole, improve C post structure 2 rigidity, C post structure 2 with D post structure 3 plays the supporting role to the side intensity of car jointly.
In this embodiment, the C-pillar inner panel 21 is an integrally formed integral plate, the top edge of the C-pillar inner panel 21 is connected to the top frame reinforcing plate 22, one side edge of the C-pillar inner panel 21 is connected to the D-pillar joint 1 and the D-pillar structure 3, and the other side edge of the C-pillar inner panel 21 forms a C-pillar support structure 213.
In some embodiments, the rear frame structure of the automobile further includes a C-pillar reinforcement 5 and a rear floor 8, at least a portion of the C-pillar reinforcement 5 is erected on the C-pillar inner panel 21, one end of the C-pillar reinforcement 5 is connected to the D-pillar inner joint panel 12, and the other end of the C-pillar reinforcement 5 is connected to the rear floor 8.
The C-pillar reinforcement 5 is a bent section or a stretched section with an arched section, two end parts of the C-pillar reinforcement 5 are respectively provided with a plate-shaped first connecting part 53 and a plate-shaped second connecting part 54, the first connecting part 53 is connected to the inner side surface, deviating from the D-pillar joint outer plate 11, of the D-pillar joint inner plate 12, the second connecting part 54 is connected to the top surface of the rear floor 8, the rigidity of the C-pillar inner plate 21 is effectively improved through the abutting part of the C-pillar reinforcement 5 and the C-pillar inner plate 21, the strength and rigidity requirements of various parts on the C-pillar reinforcement 5 can be distributed through different materials and different material thicknesses according to different requirements of strength and rigidity, and cost can be well reduced. In addition, the C-pillar reinforcement 5, the three-way D-pillar joint 1 and the rear floor 8 are in lap joint to form a continuous integral frame structure for an upper vehicle body and a lower vehicle body, so that the rigidity and the reliability of the frame structure at the rear part of the automobile are greatly improved.
In some embodiments, the rear frame structure of the automobile further includes a rear wheel house inner panel 4, the rear wheel house inner panel 4 includes a rear wheel house inner panel rear section 42 and a rear wheel house inner panel front section 41, the rear wheel house inner panel rear section 42 and the rear wheel house inner panel front section 41 are connected to each other, the rear wheel house inner panel rear section 42 and the rear wheel house inner panel front section 41 are located between the C-pillar inner panel 21 and the rear floor 8, the bottom of the rear wheel house inner panel 4 is fixed to the rear floor 8, the rear wheel house inner panel rear section 42 and one side of the rear wheel house inner panel front section 41 are connected to each other, the rear wheel house inner panel 4 is formed by combining the rear wheel house inner panel front section 41 and the rear wheel house inner panel rear section 42, the top outer edges of the rear wheel house inner panel 41 and the rear wheel house inner panel rear section 42 are connected to the C-pillar inner panel 21, the C post reinforcement 5 has smooth portion 51 and kink 52, smooth portion 51 erect on the C post inner panel 21, smooth portion 51 is the arc structure, smooth portion 51 towards the inboard surface of C post inner panel 21 with the laminating of C post inner panel 21, kink 52 erect in rear wheel casing inner panel back end 42 is last, rear wheel casing inner panel back end 42 for the inside protrusion towards the car of C post inner panel 21, kink 52 towards the medial surface of rear wheel casing inner panel back end 42 with the laminating of rear wheel casing inner panel back end 42.
As shown in fig. 1, the automobile rear frame structure further includes a rear wheel cover outer plate 6, the rear wheel cover outer plate 6 is an arch structure, and the rear wheel cover outer plate 6 and the rear wheel cover inner plate 4 are respectively connected to two sides of the bottom of the C-pillar inner plate 21 to jointly form a rear wheel cover structure.
The rear wheel casing inner plate 4, the rear wheel casing outer plate 6, the C column inner plate 21 and the rear floor 8 are connected through the C column reinforcement 5, and the D column joint 1, the rear wheel casing inner plate 4, the C column inner plate 21 and the rear floor 8 are associated, so that the impact received by the rear wheel casing inner plate 4 and the C column inner plate 21 can act on the C column reinforcement, and the impact force is offset through the D column joint 1 and the rear floor 8 connected with the C column reinforcement, so that the reinforcement effect on the C column structure 2 and the rear wheel casing inner plate 4 is realized.
As shown in fig. 6, a component force hole 211 is formed in the middle of the C-pillar inner plate, the component force hole 211 is triangular, and is rounded at an angular position, and an annular protrusion 212 is formed on an outer edge of the component force hole 211. Impact force formed by automobile collision and vibration can be transmitted and diffused along the component force hole 211, and the problem of impact force concentration is avoided.
Another embodiment of the invention discloses an automobile, which comprises the automobile rear frame structure.
Compared with the prior art, the automobile adopting the automobile rear frame structure has the advantages that the anti-deformation capacity of the C-column inner plate 21 is enhanced, the rigidity of the C-column inner plate 21 is improved, the number of D-column assemblies is reduced, the rigidity of a D-column is improved, the continuity of the rigidity is ensured, the formed continuous integral frame structure of the upper automobile body and the lower automobile body improves the rigidity of the automobile body rear structure formed by the rear end cross beam, and the white automobile body mode is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (12)
1. The automobile rear frame structure is characterized by comprising a D column joint, a top cover rear cross beam assembly, a C column structure and a D column structure, wherein the D column joint comprises a D column joint inner plate and a D column joint outer plate, the D column joint inner plate is a Y-shaped structure with a first end part, a second end part and a third end part, the D column joint outer plate is a Y-shaped structure with a fourth end part, a fifth end part and a sixth end part, the D column joint inner plate and the D column joint outer plate are connected to form a three-way cavity between the D column joint inner plate and the D column joint outer plate, the first end part and the fourth end part are lapped to form a first interface communicated with the three-way cavity, the second end part and the fifth end part are lapped to form a second interface communicated with the three-way cavity, the third end part and the sixth end part are lapped to form a third interface communicated with the three-way cavity, the top cover rear cross beam assembly is connected with the first interface, the D column structure is connected with the second interface, the C column structure is connected with the third interface, the C column structure comprises a C column inner plate and a top frame reinforcing plate, and the top of the C column inner plate is connected with the top frame reinforcing plate; one side edge of the C column inner plate is in lap joint with the D column joint inner plate, and the edge of the C column inner plate extends from the third end part of the D column joint inner plate to the second end part; the top frame reinforcing plate is in lap joint with the sixth end part of the D column joint outer plate.
2. The automobile rear frame structure according to claim 1, wherein the D-pillar joint inner panel and the D-pillar joint outer panel are an integrally molded structure.
3. The automotive rear frame structure of claim 1, wherein the roof rear cross rail assembly includes a roof rear cross rail upper cover plate and a roof rear cross rail, the roof rear cross rail upper cover plate being connected with the roof rear cross rail; the top cover rear cross beam is in lap joint with the first end part of the D column joint inner plate, and the top cover rear cross beam upper cover plate is in lap joint with the fourth end part of the D column joint outer plate.
4. The vehicle rear frame structure according to claim 3, wherein an end of the roof rear cross member overlapping the first end portion extends to an inside of a three-way cavity of the D-pillar joint, and an end of the roof rear cross member is connected to a meeting position of the first port, the second port, and the third port on the D-pillar joint.
5. The automobile rear frame structure according to claim 1, wherein the D-pillar structure includes a D-pillar inner panel lower section and a D-pillar reinforcement panel, the D-pillar inner panel lower section being connected to the D-pillar reinforcement panel; the lower section of the D column inner plate is in lap joint with the second end part of the D column joint inner plate, and the D column reinforcing plate is in lap joint with the fifth end part of the D column joint outer plate.
6. The rear frame structure of claim 1, wherein the C-pillar inner panel is formed in an integrally formed unitary plate shape, a top edge of the C-pillar inner panel is connected to a roof rail reinforcement panel, one side edge of the C-pillar inner panel is connected to the D-pillar joint and the D-pillar structure, and the other side edge of the C-pillar inner panel forms a C-pillar support structure.
7. The rear frame structure of claim 1, further comprising a C-pillar reinforcement and a rear floor, wherein at least a portion of the C-pillar reinforcement is erected on the C-pillar inner panel, and one end of the C-pillar reinforcement is connected to the D-pillar joint inner panel, and the other end of the C-pillar reinforcement is connected to the rear floor.
8. The automobile rear frame structure according to claim 7, wherein a first connecting portion and a second connecting portion are respectively provided at both end portions of the C-pillar reinforcement, the first connecting portion is connected to an inner side surface of the D-pillar joint inner panel facing away from the D-pillar joint outer panel, and the second connecting portion is connected to a top surface of the rear floor.
9. The rear frame structure according to claim 7, further comprising a rear wheel cover inner panel, wherein the rear wheel cover inner panel comprises a rear wheel cover inner panel rear section and a rear wheel cover inner panel front section, the rear wheel cover inner panel rear section and the rear wheel cover inner panel front section are connected to each other, the rear wheel cover inner panel rear section and the rear wheel cover inner panel front section are located between the C-pillar inner panel and the rear floor, the C-pillar reinforcement has a smooth portion and a bent portion, the smooth portion is erected on the C-pillar inner panel, and the bent portion is erected on the rear wheel cover inner panel rear section.
10. The automobile rear frame structure according to claim 9, further comprising a rear wheel house outer panel, the rear wheel house outer panel and the rear wheel house inner panel being connected to both sides of the bottom of the C-pillar inner panel, respectively.
11. The automobile rear frame structure according to claim 10, wherein a component force hole is provided in a middle portion of the C-pillar inner panel.
12. An automobile characterized by comprising the automobile rear frame structure according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431126.4A CN109955909B (en) | 2017-12-26 | 2017-12-26 | Automobile rear frame structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431126.4A CN109955909B (en) | 2017-12-26 | 2017-12-26 | Automobile rear frame structure and automobile |
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| Publication Number | Publication Date |
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| CN109955909A CN109955909A (en) | 2019-07-02 |
| CN109955909B true CN109955909B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711431126.4A Active CN109955909B (en) | 2017-12-26 | 2017-12-26 | Automobile rear frame structure and automobile |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098929A (en) * | 2020-01-10 | 2020-05-05 | 华晨鑫源重庆汽车有限公司 | Top cover rear cross beam assembly |
| CN115214785B (en) * | 2021-12-09 | 2023-09-01 | 广州汽车集团股份有限公司 | Automobile body rear structure and car |
| CN114348124B (en) * | 2022-03-15 | 2022-07-26 | 蔚来汽车科技(安徽)有限公司 | Rear top cross beam mounting structure for vehicle and vehicle |
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| JPS5830873A (en) * | 1981-08-17 | 1983-02-23 | Nissan Motor Co Ltd | Back pillar construction |
| CN204341209U (en) * | 2014-12-10 | 2015-05-20 | 上汽通用五菱汽车股份有限公司 | A kind of D column reinforcement plate structure |
| CN206218017U (en) * | 2016-09-12 | 2017-06-06 | 宝沃汽车（中国）有限公司 | Inner panel, side-wall inner-plate structure and side wall structure and vehicle after gusset |
| CN107472364A (en) * | 2016-12-26 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Vehicle body back side closed structure and there is its vehicle |
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| US20070212999A1 (en) * | 2006-03-07 | 2007-09-13 | Godett Ted M | Duct attachment for motor vehicle |
| CN206031502U (en) * | 2016-05-18 | 2017-03-22 | 广州汽车集团股份有限公司 | D column joint structure and car automobile body that has this D column joint structure |
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| JPS5830873A (en) * | 1981-08-17 | 1983-02-23 | Nissan Motor Co Ltd | Back pillar construction |
| CN204341209U (en) * | 2014-12-10 | 2015-05-20 | 上汽通用五菱汽车股份有限公司 | A kind of D column reinforcement plate structure |
| CN206218017U (en) * | 2016-09-12 | 2017-06-06 | 宝沃汽车（中国）有限公司 | Inner panel, side-wall inner-plate structure and side wall structure and vehicle after gusset |
| CN107472364A (en) * | 2016-12-26 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Vehicle body back side closed structure and there is its vehicle |
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|---|---|
| CN109955909A (en) | 2019-07-02 |
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