CN112109810A - Vehicle body rear structure - Google Patents
Vehicle body rear structure Download PDFInfo
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- CN112109810A CN112109810A CN202010987211.4A CN202010987211A CN112109810A CN 112109810 A CN112109810 A CN 112109810A CN 202010987211 A CN202010987211 A CN 202010987211A CN 112109810 A CN112109810 A CN 112109810A
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- rear wheel
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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
- B62D25/088—Details of structures as upper supports for springs or dampers
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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
- B62D25/16—Mud-guards or wings; Wheel cover panels
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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 relates to a vehicle body rear structure, which is applied to a vehicle body with a C column and a D column, and comprises a rear wheel casing inner plate and a rear wheel casing outer plate which are connected together by a rear shock absorber installation piece, a first connecting part and a second connecting part which are in cross connection with the rear shock absorber installation piece as a cross point, wherein the lower ends of the first connecting part and the second connecting part respectively extend to be connected with a floor longitudinal beam of the vehicle body, a triangular structure is formed by enclosing the first connecting part and the second connecting part, an upper reinforcing part which forms the triangular structure by enclosing the first connecting part and the second connecting part, and a side reinforcing part which forms the triangular structure by enclosing the first connecting part and the second connecting part. The structure at the rear part of the vehicle body can improve the integral structural performance of the rear part of the vehicle body, and is favorable for improving the structural rigidity of the mounting part of the rear shock absorber due to the three triangular structures, so that the vibration transmitted to a cab by the rear shock absorber can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of vehicle parts, in particular to a vehicle body rear structure.
Background
The road noise level of the automobile in the driving state is a key factor for measuring the quality of the automobile, wherein the (dynamic and static) rigidity of the installation point of the rear shock absorber of the automobile has great influence on the shock-proof quantity of the rear shock absorber and the capability of reducing the road noise, and the more the rigidity of the installation point of the rear shock absorber is, the more the noise and the vibration in the automobile are reduced. However, because the existing vehicle body structure is not designed reasonably, a complete space is not formed at the mounting position of the rear shock absorber, and the rigidity distribution at the position is not reasonable, the structural rigidity at the mounting position of the rear shock absorber is low, and the vehicle body Vibration is easily caused, so that the NVH (noise, Vibration, Harshness-noise, Vibration and Harshness) performance of the automobile is greatly reduced.
Disclosure of Invention
In view of the above, the present invention is directed to a vehicle body rear structure, which can effectively improve the structural rigidity at the rear damper mount, thereby improving the NVH performance of the automobile.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vehicle body rear structure to be applied to a vehicle body having a C-pillar and a D-pillar, the vehicle body rear structure including a rear wheel house inner panel and a rear wheel house outer panel that are connected together by a rear shock absorber mount, the vehicle body rear structure further comprising:
the connecting unit comprises a first connecting part and a second connecting part which are in cross connection by taking the rear shock absorber installation part as a cross point, the upper end of the first connecting part extends to be connected with the D column, the upper end of the second connecting part extends to be connected with the C column, the lower ends of the first connecting part and the second connecting part respectively extend to be connected with a floor longitudinal beam of the vehicle body, and the first connecting part, the second connecting part and the floor longitudinal beam form a triangular structure due to connection;
an upper reinforcing part located above the rear shock absorber mounting part and connected between the first connecting part and the second connecting part, wherein the upper reinforcing part, the first connecting part and the second connecting part are connected to form a triangular structure;
and the side reinforcing part is connected between one ends of the first connecting part and the second connecting part, which are close to the head part of the vehicle body, and the side reinforcing part, the first connecting part and the second connecting part form a triangular structure by being connected.
Further, still include the side wall planking and dispose in the side wall planking is inboard, and the bottom with rear wheel casing inner panel with the side window inner panel that rear wheel casing planking links to each other, the side window inner panel with the side wall planking links to each other and forms the C post with the D post, just the C post with the top of D post extend to with the side wall roof beam of automobile body links to each other.
Furthermore, a C-pillar reinforcing plate which is arranged along the C-pillar in an extending mode and forms a connection between the side window inner plate and the rear shock absorber mounting piece is arranged on the outer side of the side window inner plate; and a D-column reinforcing plate which forms the connection between the side wall upper edge beam and the rear wheel cover outer plate is arranged on the outer side of the side window inner plate.
Furthermore, first connecting portion are including being located rear wheel casing inner panel is inboard, and be used for constituting the preceding connecting piece of being connected between the front end of rear wheel casing inner panel and the automobile body floor, and connect in preceding connecting piece with reinforcing plate before the rear wheel casing between the side window inner panel, just reinforcing plate stridees across before the rear wheel casing the upper and lower both sides setting of rear shock absorber installed part, and with the rear shock absorber installed part links to each other.
Furthermore, the first connecting part further comprises a first reinforcing part which is arranged on the outer side of the rear wheel casing inner plate and connected with the rear shock absorber mounting part, the first reinforcing part is connected with the rear wheel casing front reinforcing plate and the front connecting part, and a closed cavity is formed by enclosing the first reinforcing part, the rear wheel casing front reinforcing plate and the rear shock absorber mounting part.
Furthermore, a rear connecting piece used for forming connection between the rear end of the rear wheel casing inner plate and the floor longitudinal beam and a rear wheel casing rear reinforcing plate connected between the rear connecting plate and the front reinforcing plate are arranged on the inner side of the rear wheel casing inner plate, and the rear wheel casing rear reinforcing plate is connected with the rear shock absorber mounting piece; the second connecting portion is constituted by the rear connecting member, the rear wheel house rear reinforcing plate, the rear shock absorber mounting member, and the C-pillar reinforcing plate, which are connected in this order.
Furthermore, the second connecting portion further includes a second reinforcing plate disposed outside the rear wheel house inner plate and connected to the rear shock absorber mounting member, and the second reinforcing member is connected to the rear wheel house rear reinforcing plate and the rear connecting member, and a closed cavity is formed by the connection between the rear wheel house inner plate and the rear shock absorber mounting member.
Furthermore, a reinforcing part is arranged at the rear end of the rear wheel cover inner plate, and an installation frame for installing the carbon tank is arranged at the position of the reinforcing part.
Further, the upper reinforcing part is a CD pillar reinforcing plate connected between the C pillar reinforcing plate and the D pillar reinforcing plate, and the CD pillar reinforcing plate is connected with the side window inner plate and forms a cavity therebetween.
Furthermore, the lateral reinforcing part is a third reinforcing plate which is fixedly arranged on the outer side of the rear wheel casing inner plate, and two ends of the third reinforcing plate are respectively connected with the rear shock absorber mounting part and the first reinforcing part.
Compared with the prior art, the invention has the following advantages:
the vehicle body rear structure according to the present invention can improve the overall structural performance of the vehicle body rear by providing the first connecting portion and the second connecting portion which are cross-connected with the rear shock absorber mounting member as the cross point. In addition, the upper end of the first connecting part extends to be connected with the D column, the upper end of the second connecting part is connected with the C column, and the lower ends of the first connecting part and the second connecting part are connected with the floor longitudinal beam, so that the vibration at the rear shock absorber mounting part can be transmitted and dissipated to the C column, the D column and the floor longitudinal beam along the first connecting part and the second connecting part respectively, and the NVH performance of a vehicle can be improved; in addition, the three triangular structures are formed on the rear structure of the automobile body by arranging the upper reinforcing part and the side reinforcing parts, so that the structural rigidity of the rear shock absorber mounting part is improved, and the vibration transmitted to the cab by the rear shock absorber can be effectively reduced.
In addition, the first reinforcing piece which forms a closed cavity by surrounding the front reinforcing plate and the front connecting piece of the rear wheel cover is arranged, so that the rigidity of the lower end of the first connecting part is improved, the overall torsional rigidity of the vehicle body can be improved, and the generation of abnormal sound is effectively inhibited. And the second reinforcing part which forms a closed cavity by enclosing the rear reinforcing plate and the rear connecting part of the rear wheel cover is arranged, so that the rigidity of the lower end of the second connecting part can be improved, and the integral torsional rigidity of the vehicle body can be improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a vehicle body rear structure according to an embodiment of the invention, as viewed from the inside to the outside of the vehicle;
fig. 2 is a schematic structural view of a vehicle body rear structure according to an embodiment of the invention, as viewed from the vehicle outer side to the vehicle inner side;
FIG. 3 is a schematic structural view of a vehicle body rear structure according to an embodiment of the present invention from another perspective;
FIG. 4 is a schematic structural view of a rear shock absorber mounting plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a mounting frame according to an embodiment of the invention;
FIG. 6 is a schematic structural diagram of a front connector according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a rear wheel cover front reinforcement plate according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a first reinforcing plate according to an embodiment of the present invention;
FIG. 9 is a schematic structural view of a rear connector according to an embodiment of the present invention;
FIG. 10 is a schematic structural view of a rear wheel house rear reinforcement plate according to an embodiment of the present invention;
FIG. 11 is a schematic structural view of a second reinforcing plate according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of a reinforcing plate for a CD column according to an embodiment of the present invention;
FIG. 13 is a schematic structural view of a third reinforcing plate according to an embodiment of the present invention;
description of reference numerals:
100-C column, 200-D column;
1-rear wheel house inner panel, 2-side window inner panel, 3-side surround roof side rail, 4-rear wheel house front reinforcing plate, 5-front connecting piece, 6-floor longitudinal beam, 7-rear connecting piece, 8-floor cross beam, 9-rear shock absorber mounting plate, 10-third reinforcing plate, 11-first reinforcing plate, 12-second reinforcing plate, 13-rear wheel house outer panel, 14-D column reinforcing plate, 15-CD column reinforcing plate, 16-C column reinforcing plate, 17-mounting bracket, 18-rear wheel house rear reinforcing plate.
Detailed Description
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 the terms "front", "rear", "inside", "outside", and the like indicate the orientation or positional relationship based on the orientation of the vehicle itself, wherein the head of the vehicle represents "front", the tail of the vehicle represents "rear", "inside" side means the side facing the inside of the cab, and "outside" side means the side facing the outside of the cab. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The present embodiment relates to a vehicle body rear structure to be applied to a vehicle body having a C-pillar and a D-pillar, and including a rear wheel house inner panel and a rear wheel house outer panel that are connected together by a rear shock absorber mounting. The main improvement of the rear structure of the automobile body is that the rear structure of the automobile body comprises a first connecting part and a second connecting part which are in cross connection with each other by taking a rear shock absorber mounting part as a cross point, the lower ends of the first connecting part and the second connecting part respectively extend to be connected with a floor longitudinal beam of the automobile body, and a triangular structure is formed by surrounding the first connecting part and the second connecting part. In addition, the vehicle body rear structure of the present embodiment further includes an upper reinforcing portion connected to the first connecting portion and the second connecting portion to form a triangular structure therebetween, and a side reinforcing portion connected to the first connecting portion and the second connecting portion to form a triangular structure therebetween.
Therefore, the overall structural performance of the rear part of the vehicle body and the structural rigidity of the rear shock absorber mounting part can be improved, and meanwhile, the vibration of the rear shock absorber mounted on the rear shock absorber mounting part can be transmitted and dissipated to the C column, the D column and the floor longitudinal beam along the first connecting part and the second connecting part, so that the 200VH performance of the vehicle can be effectively improved.
An exemplary structure of the vehicle body rear structure of the present embodiment is shown in fig. 1 to 3 based on the above-described overall structure, in which the vehicle body rear structure is a bilaterally symmetric structure, only a right half structure of the vehicle body rear structure is shown in the drawings, and the vehicle body rear structure includes, in addition to the above-described structure, a side wall outer panel, not shown in the drawings, and a side window inner panel 2 disposed inside the side wall outer panel. The side window inner plate 2 is specifically arranged on the top of the rear wheel house inner plate 1 and the rear wheel house outer plate 13, and the bottom end thereof is connected with the rear wheel house inner plate 1 and the rear wheel house outer plate 13. And the side window inner plate 2 is connected with the side wall outer plate to form a C column 100 and a D column 200, and the top ends of the C column 100 and the D column 200 extend to be connected with a side wall roof side rail 3 of the vehicle body.
Further, in order to improve the structural performance of the vehicle rear structure, as shown in fig. 2, a C-pillar reinforcement panel 16 extending along the C-pillar 100 and connecting the side window inner panel 2 and the rear absorber attachment is provided on the outer side of the side window inner panel 2. As shown in fig. 2, the edge of the C-pillar reinforcement plate 16 is connected to the side window inner panel 2 and the rear shock absorber mounting member at the same time, and a protrusion protruding toward the outside of the vehicle body is formed on the C-pillar reinforcement plate 16, so that a cavity is formed around the C-pillar reinforcement plate 16, the side window inner panel 2 and the rear shock absorber mounting member due to the connection therebetween, thereby not only improving the rigidity of the rear portion of the vehicle body, but also improving the force transmission effect of the rear portion of the vehicle body.
At the same time, as shown in fig. 2, a D-pillar reinforcement plate 14 that forms a connection between the side sill 3 and the rear wheelhouse outer 13 is provided on the outer side of the side window inner panel 2. The structure of the D-pillar reinforcing plate 14 is similar to that of the C-pillar reinforcing plate 16, the top of the D-pillar reinforcing plate is connected with the side-wall roof side rail 3, the edge of the D-pillar reinforcing plate 14 is connected with the side window inner plate 2 and the rear wheel cover outer plate 13 at the same time, and a cavity is formed among the D-pillar reinforcing plate, the side window inner plate and the rear wheel cover outer plate by surrounding due to the connection, so that the strength of the rear part of the vehicle body.
As shown in fig. 3, the rear wheel casing inner panel 1 and the rear wheel casing outer panel 13 of the present embodiment are the same as those of the conventional structure, are fastened and connected to each other, and are uniformly arranged on the inner side of the side wall outer panel, and a containing cavity for containing a wheel is formed between the rear wheel casing inner panel 1 and the rear wheel casing outer panel 13. The aforementioned rear shock absorber mounting member is specifically a rear shock absorber mounting plate 9 shown in fig. 4 that can constitute a connection between the rear wheel house inner panel 1 and the rear wheel house outer panel 13 for mounting of the rear shock absorber. And in order to improve the use effect, a convex part protruding into the containing cavity is formed on the rear shock absorber mounting plate 9, and a reinforcing rib is formed on the convex part, so that the structural strength and the rigidity of the rear shock absorber mounting plate 9 can be improved.
In addition, in order to improve the use effect, as shown in fig. 3, a reinforcement portion is provided at the rear end of the rear wheel house inner panel 1, and an installation frame 17 for installing a canister is provided at the position of the reinforcement portion. The reinforcement of the present embodiment is specifically a plurality of ribs formed by the rear wheel house inner panel 1 itself and arranged at intervals. The structure of the mounting frame 17 is shown in fig. 5, and it includes a main plate, and a plurality of connecting plates bent to one side of the main plate, and a plurality of mounting holes formed by fasteners and spaced arrangement are formed on the main plate, and flanges turned outwards are formed at the end portions of the connecting plates. The mounting bracket 17 is connected to the rear wheel house outer 13 at the reinforcing rib via the connecting plate.
As shown in fig. 1, the first connecting portion of the present embodiment includes a front connecting member 5 located inside the rear wheel house inner panel 1 and configured to constitute a connection between the front end of the rear wheel house inner panel 1 and the floor side member 6, and a rear wheel house front reinforcing plate 4 connected between the front connecting member 5 and the side window inner panel 2, and the rear wheel house front reinforcing plate 4 is disposed across the upper and lower sides of the rear absorber mounting plate 9 and connected to the rear absorber mounting plate 9.
In order to facilitate connection between the rear wheel house inner panel 1 and the floor longitudinal beam 6, as shown in fig. 6, the front connecting member 5 is integrally bent toward the outside of the vehicle body, and at the same time, connecting holes for respectively connecting the rear wheel house inner panel 1 and the floor longitudinal beam 6 by screwing are respectively formed at both ends of the front connecting member 5. In addition, to further enhance the use effect, the position at which the front connecting member 5 is connected to the floor side member 6 corresponds to the position at which the floor side member 6 and the floor cross member 8 are connected, whereby the force on the front connecting member 5 can be further transmitted in the vehicle width direction along the floor cross member 8.
Further, based on the structure of the rear wheel house inner panel 1, the rear wheel house front reinforcement panel 4 of the present embodiment has a structure in which the entire portion is bent inward of the vehicle body and the cross section thereof is substantially "zigzag" as shown in fig. 7. The front reinforcing plate 4 of the rear wheel cover is provided with an outward flange arranged along the edge, and is connected with the inner plate 1 of the rear wheel cover and the inner plate 2 of the side window in a welding way through the outward flange, and a cavity is formed by the connection of the outward flange, the inner plate 1 of the rear wheel cover and the inner plate 2 of the side window. With this arrangement, not only the structural strength of the rear wheel house front reinforcing plate 4 can be improved, but also the transmission and dissipation of the vibration on the rear shock absorber mounting plate 9 from the rear wheel house front reinforcing plate 4 to the D-pillar 200 and the front connecting member 5 can be improved.
Since the rear-damper mount plate 9 is normally subjected to forces in three directions of the vehicle, i.e., up and down, front and rear, and right and left, in order to improve the torsional rigidity at the rear-damper mount plate 9, as shown in fig. 1, a first reinforcement connected to the rear-damper mount plate 9 is provided on the outer side of the rear-wheel-house inner panel 1. And the first reinforcing member is embodied as a stamped and formed first reinforcing plate 11 shown in fig. 8, which is disposed corresponding to the first connecting portion, welded to the corresponding rear wheel house front reinforcing plate 4 and the front connecting member 5, and forms a closed cavity therebetween due to the connection. So set up, can strengthen the rigidity of first connecting portion lower extreme greatly, also can improve the torsional rigidity at automobile body rear portion simultaneously to can effectively reduce the production of abnormal sound.
As shown in fig. 1, a rear connecting member 7 for connecting the rear end of the rear wheel house inner panel 1 to the floor side member 6 and a rear wheel house rear reinforcing plate 18 connected between the rear connecting member 7 and the rear wheel house front reinforcing plate 4 are provided on the inner side of the rear wheel house inner panel 1, and the rear wheel house rear reinforcing plate 18 is welded to the rear shock absorber mounting plate 9. The second connecting portion is constituted by the rear link 7, the rear wheel house rear reinforcing plate 18, the rear absorber mounting plate 9, and the C-pillar reinforcing plate 16, which are connected in this order.
Specifically, the rear connecting member 7 is similar in structure to the front connecting member 5, and as shown in fig. 9, is configured at both ends thereof with connecting holes to be screwed with the rear wheel house inner panel 1 and the floor side member 6. In addition, to further enhance the use effect, the position at which the rear connecting member 7 is connected to the floor side member 6 corresponds to the position at which the floor side member 6 and the floor cross member 8 are connected, whereby the force on the rear connecting member 7 can be further transmitted in the vehicle width direction along the floor cross member 8.
The rear wheel house rear reinforcing plate 18 is constructed as shown in fig. 10, and is disposed in a plane area parallel to the rear wheel house inner plate 1 as a whole, and has flanges formed at the bottom and both sides thereof to be connected to the rear wheel house inner plate 1 and the rear shock absorber mounting plate 9 by welding, respectively, and a cavity is formed between the rear wheel house rear reinforcing plate 18 and the rear wheel house front reinforcing plate 4 and the rear wheel house inner plate 1 by welding. With this arrangement, not only the structural strength of the rear wheel house rear reinforcing plate 18 can be improved, but also the transmission and dissipation of the vibration on the rear shock absorber mounting plate 9 from the rear wheel house rear reinforcing plate 18 to the C-pillar 100 and the rear connecting member 7 can be improved.
At this time, in order to further increase the structural rigidity of the second connecting portion, as shown in fig. 2, a second reinforcement connected to the rear-damper mounting plate 9 is provided on the outer side of the rear-wheel-cover inner panel 1. And the structure of the second reinforcing member is as shown in fig. 11, and specifically is a second reinforcing plate 12 which is formed by punching, is arranged corresponding to the second connecting portion, is welded and connected with the corresponding rear wheel casing rear reinforcing plate 18 and the rear connecting member 7, and forms a closed cavity between the three because of the connection. Due to the arrangement, the rigidity of the lower end of the second connecting part can be greatly enhanced, and the torsional rigidity of the rear part of the vehicle body can be improved, so that the deformation resistance of the vehicle body can be effectively improved.
As shown in fig. 12 in combination with fig. 2, the upper reinforcement is specifically a CD pillar reinforcement 15 connected between a C pillar reinforcement 16 and a D pillar reinforcement 14, and the CD pillar reinforcement 15 is connected to the side window inner panel 2 and forms a cavity therebetween. From this, not only can effectively improve the stability of transversely setting up between first connecting portion and the second connecting portion, also be formed with the biography power passageway that arranges along vehicle length direction simultaneously between first connecting portion and the second connecting portion to can improve the transmission effect of the vibration of rear shock absorber mounting panel 9 along first connecting portion and second connecting portion.
As shown in fig. 13, the side reinforcing portion of the present embodiment is specifically a third reinforcing plate 10 welded to the outside of the rear wheel house inner panel 1 and having both ends connected to the rear absorber mounting plate 9 and the first reinforcing plate 11, respectively. So set up, effectively improve the stability of vertical setting between first connecting portion and the second connecting portion, also be formed with the biography power passageway of arranging along the vehicle direction of height between first connecting portion and the second connecting portion simultaneously to can improve the transmission effect of the vibration of rear shock absorber mounting panel 9 along first connecting portion and second connecting portion.
Based on the above overall description, the present embodiment can improve the structural performance of the entire rear portion of the vehicle body by providing the first connecting portion and the second connecting portion that are cross-connected with the rear shock absorber mounting plate 9 as the cross point. In addition, by extending the upper end of the first connecting portion to be connected to the D-pillar 200, connecting the upper end of the second connecting portion to the C-pillar 100, and connecting the lower ends of the first connecting portion and the second connecting portion to the floor side member 6, it is possible to transmit and dissipate the vibration at the rear-damper mounting plate 9 to and from the C-pillar 100, the D-pillar 200, and the floor side member 6, respectively, along the first connecting portion and the second connecting portion, and thus it is possible to improve the NVH performance of the vehicle.
In addition, the three triangular structures are formed on the rear structure of the vehicle body by arranging the CD column reinforcing plate 15 and the third reinforcing plate 10, so that the structural rigidity of the rear shock absorber mounting plate 9 is improved, the vibration transmitted to the cab by the rear shock absorber can be effectively reduced, and the riding comfort of passengers can be 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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A vehicle body rear structure to be applied to a vehicle body having a C-pillar (100) and a D-pillar (200), the vehicle body rear structure including a rear wheel house inner panel (1) and a rear wheel house outer panel (13) connected together by a rear shock absorber mount, characterized by further comprising:
the connecting unit comprises a first connecting part and a second connecting part which are connected in a cross mode by taking the rear shock absorber installation piece as a cross point, the upper end of the first connecting part extends to be connected with the D column (200), the upper end of the second connecting part extends to be connected with the C column (100), the lower ends of the first connecting part and the second connecting part respectively extend to be connected with a floor longitudinal beam (6) of the vehicle body, and the first connecting part, the second connecting part and the floor longitudinal beam (6) form a triangular structure in an enclosing mode due to connection;
an upper reinforcing part located above the rear shock absorber mounting part and connected between the first connecting part and the second connecting part, wherein the upper reinforcing part, the first connecting part and the second connecting part are connected to form a triangular structure;
and the side reinforcing part is connected between one ends of the first connecting part and the second connecting part, which are close to the head part of the vehicle body, and the side reinforcing part, the first connecting part and the second connecting part form a triangular structure by being connected.
2. The vehicle body rear structure according to claim 1, characterized in that: still include the side wall planking and dispose in the side wall planking is inboard, and the bottom with rear wheel casing inner panel (1) with side window inner panel (2) that rear wheel casing planking (13) link to each other, side window inner panel (2) with the side wall planking links to each other, and forms C post (100) with D post (200), just C post (100) with the top of D post (200) extend to with roof beam (3) link to each other are enclosed to the side of automobile body.
3. The vehicle body rear structure according to claim 2, characterized in that: a C-pillar reinforcing plate (16) which is arranged along the C-pillar (100) in an extending mode and forms connection between the side window inner plate (2) and the rear shock absorber installation piece is arranged on the outer side of the side window inner plate (2); and a D-column reinforcing plate (14) which forms the connection between the side wall upper edge beam (3) and the rear wheel cover outer plate (13) is arranged on the outer side of the side window inner plate (2).
4. The vehicle body rear structure according to claim 3, characterized in that: first connecting portion are including being located rear wheel casing inner panel (1) inboard and be used for constituting the front end of rear wheel casing inner panel (1) with preceding connecting piece (5) of connecting between floor longeron (6) and connect in preceding connecting piece (5) with reinforcing plate (4) before the rear wheel casing between side window inner panel (2), just reinforcing plate (4) stride across before the rear wheel casing the upper and lower both sides setting of rear shock absorber installed part, and with the rear shock absorber installed part links to each other.
5. The vehicle body rear structure according to claim 4, characterized in that: and a first reinforcing piece connected with the rear shock absorber mounting piece is arranged on the outer side of the rear wheel cover inner plate (1), and the first reinforcing piece is connected with the rear wheel cover front reinforcing plate (4) and the front connecting piece (5) and forms a closed cavity between the rear wheel cover inner plate and the rear wheel cover inner plate due to the connection.
6. The vehicle body rear structure according to claim 3, characterized in that: a rear connecting piece (7) used for forming connection between the rear end of the rear wheel casing inner plate (1) and the floor longitudinal beam (6) and a rear wheel casing rear reinforcing plate (18) connected between the rear connecting piece (7) and the rear wheel casing front reinforcing plate (4) are arranged on the inner side of the rear wheel casing inner plate (1), and the rear wheel casing rear reinforcing plate (18) is connected with the rear shock absorber mounting piece; the second connecting portion is constituted by the rear connecting member (7), the rear wheel house rear reinforcing plate (18), the rear shock absorber mounting member, and the C-pillar reinforcing plate (16) connected in this order.
7. The vehicle body rear structure according to claim 6, characterized in that: and a second reinforcing piece connected with the rear shock absorber mounting piece is arranged on the outer side of the rear wheel cover inner plate (1), and the second reinforcing piece is connected with the rear wheel cover rear reinforcing plate (18) and the rear connecting piece (7) and forms a closed cavity between the rear wheel cover inner plate and the rear wheel cover rear reinforcing plate.
8. The vehicle body rear structure according to claim 1, characterized in that: and a reinforcing part is arranged at the rear end of the rear wheel cover inner plate (1), and an installation frame (17) for installing a carbon tank is arranged at the position of the reinforcing part.
9. The vehicle body rear structure according to claim 3, characterized in that: the upper reinforcing part is a CD column reinforcing plate (15) connected between the C column reinforcing plate (16) and the D column reinforcing plate (14), the CD column reinforcing plate (15) is connected with the side window inner plate (2), and a cavity is formed between the CD column reinforcing plate and the side window inner plate.
10. The vehicle body rear structure according to claim 5, characterized in that: the side reinforcing part is a third reinforcing plate (10) which is fixedly arranged on the outer side of the rear wheel cover inner plate (1) and two ends of which are respectively connected with the rear shock absorber mounting part and the first reinforcing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010987211.4A CN112109810A (en) | 2020-09-18 | 2020-09-18 | Vehicle body rear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010987211.4A CN112109810A (en) | 2020-09-18 | 2020-09-18 | Vehicle body rear structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112109810A true CN112109810A (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010987211.4A Pending CN112109810A (en) | 2020-09-18 | 2020-09-18 | Vehicle body rear structure |
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| CN (1) | CN112109810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200091A (en) * | 2021-05-20 | 2021-08-03 | 东风柳州汽车有限公司 | Sheet metal structure and car |
Citations (8)
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