CN210027617U - Automobile body rear portion subassembly - Google Patents

Automobile body rear portion subassembly Download PDF

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Publication number
CN210027617U
CN210027617U CN201920824039.3U CN201920824039U CN210027617U CN 210027617 U CN210027617 U CN 210027617U CN 201920824039 U CN201920824039 U CN 201920824039U CN 210027617 U CN210027617 U CN 210027617U
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China
Prior art keywords
assembly
vehicle body
side wall
plate
rear end
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CN201920824039.3U
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Chinese (zh)
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覃鹏飞
贾丽刚
卢堃林
郭平
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SAIC GM Wuling Automobile Co Ltd
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SAIC GM Wuling Automobile Co Ltd
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Abstract

The utility model discloses a vehicle body rear portion subassembly, vehicle body assembly, two rear side wall subassemblies and a back end plate assembly under including the rear portion, back end plate assembly fixed connection in on the rear portion vehicle body assembly rear end portion under, two the rear side wall subassembly is located respectively on the rear portion vehicle body assembly controls both ends, the rear side wall subassembly includes D post assembly, wheel casing connecting plate, wheel casing inner panel and side wall assembly, wheel casing connecting plate lower extreme with wheel casing inner panel lower part fixed connection, wheel casing connecting plate upper end fixed connection in on the D post assembly, D post assembly respectively with the side wall assembly with back end plate assembly fixed connection, vehicle body assembly left side and right side respectively with correspond under the rear portion the wheel casing inner panel with side wall assembly fixed connection. The utility model discloses a rear assembly of a vehicle body cancels a front guard plate and a rear guard plate, reduces parts, and realizes weight reduction and structure lightweight; the stability of the size of the vehicle body is improved.

Description

Automobile body rear portion subassembly
Technical Field
The utility model relates to an automobile body technique especially relates to an automobile body rear portion subassembly.
Background
Automotive body rear assemblies are one of the key structures of body structures. Provided with garnishes, electric appliances, body accessories, and the like, rear components of an automobile body (shown in fig. 1, 2, 3, 4, 5, 6, and 7) include a rear fender 01, a front fender 02, a wheel house inner panel 03, and a wheel house attachment panel 04, a tail lamp attachment panel 05, a rear end lower panel 06, and the like. For the body of the vehicle, the rear body components including the C pillar, D pillar and the joints are one of the key structures for bending resistance and torsion resistance of the vehicle body, especially for torsion resistance of the vehicle body.
The conventional vehicle body rear assembly has the following disadvantages: (1) the height difference of the front and rear part parts of the wheel cover inner plate 03 is large (the position of a dotted line in fig. 5), and the material utilization rate is low; (2) the side wall outer plate 07 and the rear lower vehicle body area (such as the rear floor 08) have more parts and complex structure; (3) plug welding 09 or bolt connection (dotted line frame in fig. 6) of the front guard plate 02 and the rear guard plate 01 has poor strength, staff bend down and plug welding have poor operability, production efficiency is low, and welding process convenience is poor; (4) the weight of the vehicle body is heavy, and the cost of the vehicle body is high; (5) the separated parts of the tail lamp mounting plate 05 and the rear end lower plate 06 are positioned above the corner of the door opening, so that the corner area of the rear end lower plate has more waste materials and low material utilization rate.
Disclosure of Invention
The utility model is completed for solving the defects in the prior art, and the utility model aims to provide a rear assembly of a vehicle body, which has the advantages that a front guard plate and a rear guard plate are eliminated, parts are reduced, and weight reduction and structure lightening are realized; the stability of the size of the vehicle body is improved.
The utility model discloses an automobile body rear portion subassembly, including rear portion lower vehicle body assembly, two rear side wall subassemblies and a back end plate assembly, back end plate assembly fixed connection in on the rear portion lower vehicle body assembly rear end, two the rear side wall subassembly is located respectively on the rear portion lower vehicle body assembly left and right sides both ends, the rear side wall subassembly includes D post assembly, wheel casing connecting plate, wheel casing inner panel and side wall assembly, wheel casing connecting plate lower extreme with wheel casing inner panel lower part fixed connection, wheel casing connecting plate upper end fixed connection in on the D post assembly, D post assembly respectively with the side wall assembly with back end plate assembly fixed connection, rear portion lower vehicle body assembly left side and right side respectively with correspond the wheel casing inner panel with side wall assembly fixed connection.
The utility model discloses an automobile body rear portion subassembly can also be:
the front end bottom and the rear end bottom of the wheel cover inner plate are positioned on the same straight line.
And two sides of the wheel cover connecting plate are respectively provided with a flanging extending downwards.
And the middle part of the wheel cover connecting plate extends forwards and backwards to be provided with an upward convex reinforcing rib.
The rear lower vehicle body assembly comprises a rear lower vehicle body and two floor extension plates, wherein the floor extension plates are downwards inclined and are respectively and fixedly connected to the left end and the right end of the rear lower vehicle body rear portion, and the floor extension plates are fixedly connected with the corresponding side wall assemblies.
The rear end plate assembly comprises a rear end lower plate and two tail lamp mounting plates, wherein the tail lamp mounting plates are respectively fixedly connected to the tops of the left end and the right end of the rear end lower plate, the tail lamp mounting plates are arranged on the left side and the right side of the rear end lower plate, and the tail lamp mounting plates are arranged on the right side of the rear end lower plate and are respectively arranged at the corner center of a tail door opening.
Rear end plate assembly with body assembly rear end spot welding connects under the rear portion, wheel casing connecting plate lower extreme with wheel casing inner panel lower part spot welding connects, wheel casing connecting plate upper end with D post assembly spot welding connects, D post assembly respectively with the side wall assembly with rear end plate assembly spot welding connects, under the rear portion body assembly left side and right side respectively with correspond the wheel casing inner panel with side wall assembly spot welding connects.
The utility model discloses an automobile body rear portion subassembly, including rear portion lower vehicle body assembly, two rear side wall subassemblies and a back end plate assembly, back end plate assembly fixed connection in on the rear portion lower vehicle body assembly rear end, two the rear side wall subassembly is located respectively on the rear portion lower vehicle body assembly left and right sides both ends, the rear side wall subassembly includes D post assembly, wheel casing connecting plate, wheel casing inner panel and side wall assembly, wheel casing connecting plate lower extreme with wheel casing inner panel lower part fixed connection, wheel casing connecting plate upper end fixed connection in on the D post assembly, D post assembly respectively with the side wall assembly with back end plate assembly fixed connection, rear portion lower vehicle body assembly left side and right side respectively with correspond the wheel casing inner panel with side wall assembly fixed connection. Thus, the two rear side wall assemblies are respectively positioned on the left side and the right side of the rear lower vehicle body assembly, and the rear end plate assembly is positioned on the rear end of the rear lower vehicle body assembly. The lower end of the wheel cover connecting plate is fixedly connected with the lower part of the wheel cover inner plate, the upper end of the wheel cover connecting plate is fixedly connected with the D column assembly, and the connecting mode can be other connecting modes. The D column assembly is fixedly connected with the side wall assembly and the rear end plate assembly respectively, and the connection can be in other connection modes. The left side of the rear lower vehicle body assembly is fixedly connected with the left wheel casing inner plate, and the right side of the rear lower vehicle body assembly is fixedly connected with the right wheel casing inner plate in a connecting mode. In the rear side wall assembly, the side wall assembly and the wheel cover connecting plate are optimized, the original front guard plate and the original rear guard plate are omitted, only the wheel cover connecting plate is reserved, parts are reduced, and weight reduction is realized; the wheel casing connecting plate overall structure obtains optimizing, and wheel casing connecting plate lug connection plays the connection effect between wheel casing inner panel lower part and the D post assembly, and then improves the stability of automobile body size. The coiler mounting panel is installed between D post assembly and side wall assembly, wherein at the regional design of undercutting between coiler mounting panel to the wheel casing connecting plate, realizes subtracting heavy and the lightweight structure. The utility model discloses an automobile body rear portion subassembly, the advantage that has for prior art is: a front guard plate and a rear guard plate are omitted, parts are reduced, and weight reduction and structural lightweight are realized; the stability of the size of the vehicle body is improved.
Drawings
FIG. 1 is a schematic view of a prior art rear body assembly.
Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
FIG. 3 is a rear fender schematic view of a conventional vehicle body rear assembly.
FIG. 4 is a front fender schematic view of a prior art rear body assembly.
FIG. 5 is a schematic view of a prior art wheel house inner panel of a rear body assembly.
FIG. 6 is a partial schematic view of a prior art rear body assembly.
Fig. 7 is a rear end view of a conventional vehicle body rear assembly.
Fig. 8 is a schematic view of a rear assembly of a vehicle body.
Fig. 9 is a schematic sectional view B-B of fig. 8.
Fig. 10 is a schematic view of a wheel house inner panel of a vehicle body rear assembly according to the present invention.
Fig. 11 is a schematic view of a wheel house connection plate of a rear assembly of a vehicle body.
Fig. 12 is an exploded view of a rear assembly of a vehicle body.
Fig. 13 is a schematic view of a rear end plate assembly of a rear assembly of a vehicle body.
Description of the figures
1. A rear lower vehicle body assembly; 11. a rear lower body; 12. a floor extension panel; 2. a rear side panel assembly; 21. a D column assembly; 22. a wheel cover connecting plate; 221. flanging; 222. reinforcing ribs; 23. a wheel house inner plate; 24. a side wall assembly; 3. a rear end plate assembly; 31. a rear end lower plate; 32. a tail lamp mounting plate; 33. the corner center position of the tail door opening.
Detailed Description
A rear body assembly according to the present invention will be described in further detail with reference to fig. 8 to 13 of the drawings.
The utility model relates to a vehicle body rear component, please refer to the related figures of fig. 8 to 13, which comprises a rear lower vehicle body assembly 1, two rear side wall components 2 and a rear end plate assembly 3, the rear end plate assembly 3 is fixedly connected to the rear end part of the rear lower vehicle body assembly 1, the two rear side wall components 2 are respectively positioned on the left end and the right end of the rear lower vehicle body assembly 1, the rear side wall component 2 comprises a D column assembly 21, a wheel cover connecting plate 22, a wheel cover inner plate 23 and a side wall assembly 24, the lower end of the wheel casing connecting plate 22 is fixedly connected with the lower part of the wheel casing inner plate 23, the upper end of the wheel casing connecting plate 22 is fixedly connected on the D-pillar assembly 21, the D-pillar assembly 21 is respectively fixedly connected with the side wall assembly 24 and the rear end plate assembly 3, the left side and the right side of the rear lower vehicle body assembly 1 are respectively and fixedly connected with the corresponding wheel cover inner plate 23 and the side wall assembly 24. Thus, the two quarter components 2 are respectively located on the left and right sides of the rear lower body assembly 1, and the rear end plate assembly 3 is located on the rear end of the rear lower body assembly 1. The lower end of the wheel cover connecting plate 22 is fixedly connected with the lower part of the wheel cover inner plate 23, and the upper end of the wheel cover connecting plate is fixedly connected with the D-pillar assembly 21, and the connecting mode can be other connecting modes. The D column assembly 21 is fixedly connected with the side wall assembly 24 and the rear end plate assembly 3 respectively, and the connection can be in other connection modes. The left side of the rear lower vehicle body assembly 1 is fixedly connected with the left wheel casing inner plate 23, and the right side of the rear lower vehicle body assembly 1 is fixedly connected with the right wheel casing inner plate 23 in a connecting mode. In the rear side wall assembly 2, the side wall assembly 24 and the wheel cover connecting plate 22 are optimized, the original front guard plate and the original rear guard plate are eliminated, only the wheel cover connecting plate 22 is reserved, parts are reduced, and weight reduction is realized; the overall structure of the wheel casing connecting plate 22 is optimized, and the wheel casing connecting plate 22 is directly connected between the lower part of the wheel casing inner plate 23 and the D-pillar assembly 21, so that the connecting function is achieved, and the stability of the size of the vehicle body is improved. The coiler mounting panel is installed between D post assembly 21 and side wall assembly 24, wherein the regional design of undercutting between coiler mounting panel to wheel casing connecting plate 22 realizes losing weight and structure lightweight. The utility model discloses an automobile body rear portion subassembly, the advantage that has for prior art is: a front guard plate and a rear guard plate are omitted, parts are reduced, and weight reduction and structural lightweight are realized; the stability of the size of the vehicle body is improved.
Referring to fig. 8 to 13, the rear assembly of the present invention may further include a wheel cover inner plate 23 having a front bottom and a rear bottom on the same straight line. Thus, the front end bottom and the rear end bottom of the wheel cover inner plate 23 are consistent in height, and the material utilization rate of the wheel cover inner plate 23 is improved by dividing the material-consuming area of the wheel cover inner plate 23 into the wheel cover connecting plate 22.
Referring to fig. 8 to 13, on the basis of the above technical solution, the rear assembly of the present invention may further include downwardly extending flanges 221 respectively disposed on two sides of the wheel casing connecting plate 22. Thus, the flanges 221 are arranged on two sides of the wheel casing connecting plate 22, the flanges 221 extend downwards, and the flanges 221 can improve the overall strength and rigidity of the wheel casing connecting plate 22. When the wheel casing connecting plate 22 is connected with the lower part of the D-pillar assembly 21 and the rear part of the wheel casing inner plate 23, the connection performance of the wheel casing connecting plate can ensure the strength of a vehicle body and avoid deformation and size fluctuation caused by shaking in the part conveying process. The further preferred technical scheme is as follows: the middle part of the wheel cover connecting plate 22 extends forwards and backwards and is provided with a reinforcing rib 222 which protrudes upwards. Thus, the reinforcing ribs 222 project upward and extend in the longitudinal direction of the middle portion of the wheel house connecting plate 22, thereby improving the strength and rigidity of the wheel house connecting plate 22 as a whole. When the wheel casing connecting plate 22 is connected with the lower part of the D-pillar assembly 21 and the rear part of the wheel casing inner plate 23, the connection performance of the wheel casing connecting plate can ensure the strength of a vehicle body and avoid deformation and size fluctuation caused by shaking in the part conveying process.
The utility model discloses a vehicle body rear portion subassembly please refer to each relevant picture of fig. 8-13, on the basis of preceding technical scheme can also be that rear portion lower vehicle body assembly 1 includes rear portion lower vehicle body 11 and two floor extension boards 12, two floor extension boards 12 downward sloping and respectively fixed connection in rear portion lower vehicle body 11 rear portion on the left and right sides both ends, two floor extension boards 12 with correspond side wall assembly 24 fixed connection. Thus, the left end and the right end of the rear part of the rear lower body 11 are fixedly connected with one end of the floor extension plate 12, and the connection can be other connection modes. The other end of the floor extension board 12 is fixedly connected with the side wall assembly 24, and the connection can be other connection modes. The floor extension plate 12 extends obliquely downwards to the side wall assembly 24, so that the problem that the integrated rear lower body 11 of the traditional rear lower body assembly 1 cannot be deeply drawn is solved, and the material utilization rate of the rear lower body 11 is further improved; and simultaneously, the forming difficulty of the rear lower vehicle body 11 is reduced. During assembly, the side wall assembly 24 and the floor extension plate 12 can be welded and fixed outside the vehicle.
The utility model discloses a vehicle body rear assembly please refer to each relevant figure of fig. 8-13, can also be on the basis of preceding technical scheme rear end plate assembly 3 includes rear end hypoplastron 31 and two tail lamp mounting panels 32, two tail lamp mounting panels 32 respectively fixed connection in on the both ends top about rear end hypoplastron 31, the left side tail lamp mounting panel 32 with rear end hypoplastron 31 left side fixed connection department, right side tail lamp mounting panel 32 with rear end hypoplastron 31 right side fixed connection department is tail door opening turning central point department 33. Thus, the left tail lamp mounting plate 32 and the right tail lamp mounting plate 32 are fixedly connected to the left top of the rear end lower plate 31 and the right top of the rear end lower plate 31, respectively, and the connection may be other connection methods. Compare current left side tail lamp mounting panel 32, the mounted position between right side tail lamp mounting panel 32 and the rear end hypoplastron 31, left side tail lamp mounting panel 32 and right side tail lamp mounting panel 32 position move down to tail gate door opening corner central point department 33, the branch position of tail lamp mounting panel 32 and rear end hypoplastron 31 is in tail gate door opening corner central point department promptly, under the condition that tail lamp mounting panel 32 material utilization is little, can promote the material utilization ratio of the big part of rear end hypoplastron 31, it is more reasonable to divide, and then solve the problem that rear end hypoplastron 31 utilization ratio is low.
The utility model discloses a car body rear portion subassembly please refer to each relevant picture of fig. 8-13, can also be on the basis of preceding technical scheme rear end plate assembly 3 with 1 rear end spot welding of car body assembly is connected under the rear portion, wheel casing connecting plate 22 lower extreme with wheel casing inner panel 23 lower part spot welding is connected, wheel casing connecting plate 22 upper end with D post assembly 21 spot welding is connected, D post assembly 21 respectively with side wall assembly 24 with 3 spot welding of rear end plate assembly are connected, 1 left side of car body assembly and right side are respectively with corresponding the wheel casing inner panel 23 with 24 spot welding of side wall assembly is connected under the rear portion. Therefore, between the rear end plate assembly 3 and the rear end part of the rear lower body assembly 1, the wheel cover connecting plate 22 is respectively connected with the wheel cover inner plate 23 and the D column assembly 21, between the D column assembly 21 and the side wall assembly 24 and between the rear end plate assembly 3, and between one side of the rear lower body assembly 1 and the wheel cover inner plate 23 and between one side of the rear lower body assembly 24 are connected through spot welding, plug welding in the original structure is changed into spot welding, welding between parts outside the vehicle is facilitated, the welding process is changed, and the welding process convenience, the welding connection strength and the production efficiency in the rear side wall assembly 2 are improved.
The above description is only for the description of several embodiments of the present invention, but the scope of the present invention should not be considered as falling within the scope of the present invention, in which all the equivalent changes or modifications or the equal-scale enlargement or reduction etc. according to the design spirit of the present invention are made.

Claims (7)

1. A vehicle body rear assembly characterized by: comprises a rear lower vehicle body assembly (1), two rear side wall assemblies (2) and a rear end plate assembly (3), the rear end plate assembly (3) is fixedly connected to the rear end part of the rear lower vehicle body assembly (1), the two rear side wall assemblies (2) are respectively positioned on the left end and the right end of the rear lower vehicle body assembly (1), the rear side wall component (2) comprises a D column assembly (21), a wheel cover connecting plate (22), a wheel cover inner plate (23) and a side wall assembly (24), the lower end of the wheel cover connecting plate (22) is fixedly connected with the lower part of the wheel cover inner plate (23), the upper end of the wheel cover connecting plate (22) is fixedly connected to the D-pillar assembly (21), the D column assembly (21) is respectively fixedly connected with the side wall assembly (24) and the rear end plate assembly (3), the left side and the right side of the rear lower vehicle body assembly (1) are respectively and fixedly connected with the corresponding wheel cover inner plate (23) and the side wall assembly (24).
2. A vehicle body rear assembly as claimed in claim 1, wherein: the front end bottom and the rear end bottom of the wheel cover inner plate (23) are positioned on the same straight line.
3. A vehicle body rear assembly as claimed in claim 1, wherein: and two sides of the wheel cover connecting plate (22) are respectively provided with a flanging (221) extending downwards.
4. A vehicle body rear assembly as claimed in claim 3, wherein: and a reinforcing rib (222) protruding upwards is arranged in the middle of the wheel cover connecting plate (22) in a forward and backward extending mode.
5. The vehicle body rear assembly according to any one of claims 1 to 4, wherein: the rear lower vehicle body assembly (1) comprises a rear lower vehicle body (11) and two floor extension plates (12), wherein the floor extension plates (12) are downwards inclined and respectively fixedly connected to the left end and the right end of the rear lower vehicle body (11) at the rear part, and the floor extension plates (12) are fixedly connected with the side wall assemblies (24).
6. The vehicle body rear assembly according to any one of claims 1 to 4, wherein: rear end plate assembly (3) include rear end hypoplastron (31) and two tail lamp mounting panels (32), two tail lamp mounting panel (32) difference fixed connection in on both ends top about rear end hypoplastron (31), the left side tail lamp mounting panel (32) with rear end hypoplastron (31) left side fixed connection department, right side tail lamp mounting panel (32) with rear end hypoplastron (31) right side fixed connection department is tail door opening corner central point department (33).
7. The vehicle body rear assembly according to any one of claims 1 to 4, wherein: rear end plate assembly (3) with the rear portion is down vehicle body assembly (1) rear end spot welding and is connected, wheel casing connecting plate (22) lower extreme with wheel casing inner panel (23) lower part spot welding connects, wheel casing connecting plate (22) upper end with D post assembly (21) spot welding connects, D post assembly (21) respectively with side wall assembly (24) with rear end plate assembly (3) spot welding connects, rear portion is down vehicle body assembly (1) left side and right side respectively with correspond wheel casing inner panel (23) with side wall assembly (24) spot welding connects.
CN201920824039.3U 2019-06-03 2019-06-03 Automobile body rear portion subassembly Active CN210027617U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920824039.3U CN210027617U (en) 2019-06-03 2019-06-03 Automobile body rear portion subassembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920824039.3U CN210027617U (en) 2019-06-03 2019-06-03 Automobile body rear portion subassembly

Publications (1)

Publication Number Publication Date
CN210027617U true CN210027617U (en) 2020-02-07

Family

ID=69346310

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920824039.3U Active CN210027617U (en) 2019-06-03 2019-06-03 Automobile body rear portion subassembly

Country Status (1)

Country Link
CN (1) CN210027617U (en)

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