CN221418412U - Automobile, top cover assembly and top cover rear cross beam connecting plate - Google Patents

Abstract

The application relates to the field of automobiles, in particular to an automobile, a top cover assembly and a top cover rear cross beam connecting plate. The top cover rear cross beam connecting plate comprises a part body, a connecting flange and an assembling positioning surface, wherein the connecting flange and the assembling positioning surface are respectively arranged at the periphery of the part body; the part body comprises a side wall part extending to the side wall of the vehicle body, and a rear wall fixing part connected to the rear upper side of the side wall part and folded and extended to the rear wall of the vehicle body relative to the side wall part, wherein the assembly positioning surface is connected to the top of the side wall part and the rear wall fixing part and used for connecting and supporting a top cover rear cross beam. The connecting plate for the rear cross beam of the top cover can optimize the force transmission path of the rear cross beam of the top cover, ensure the connection strength between all parts and further improve the connection supporting strength of the rear cross beam of the top cover.

Description

Automobile, top cover assembly and top cover rear cross beam connecting plate

Technical Field

The application relates to the field of automobiles, in particular to an automobile, a top cover assembly and a top cover rear cross beam connecting plate.

Background

The vehicle body top cover is a cover plate at the top of a carriage and mainly comprises a top cover outer plate and a top cover cross beam such as a front cross beam, a middle cross beam and a rear cross beam, and some vehicle body top covers further comprise a skylight frame. The roof cross beam is an important part in the automobile structure, bears the forces of side collision, jacking and front collision of the automobile, transmits the forces to the skeletons on two sides of the automobile body, and plays a key role in the torsion performance of the whole automobile. Therefore, the design of the roof cross member and the cross member connection structure is important.

When the existing top cover rear cross beam connecting structure is designed, in order to ensure the jacking and torsion performances of the whole car and the top cover rear cross beam, the top cover rear cross beam connecting piece consists of a rear cross beam connecting plate and a side wall rear lower inner plate reinforcing piece. The upper end of the rear cross beam connecting plate is welded between a rear cross beam supporting plate and a top cover rear cross beam of the automobile; the front end of the rear cross beam connecting plate is welded between a side wall upper side beam and a top cover rear cross beam supporting plate of the automobile; the lower end of the rear cross beam connecting plate is welded with a side wall threshold reinforcing member rear connecting plate and a side wall rear lower inner plate reinforcing member of the automobile; the rear end of the top cover rear cross beam is welded with a rear side wall upper connecting piece and a side wall rear lower inner plate reinforcing piece of the automobile. Therefore, a connecting structure from the top cover rear cross beam to the two sides of the vehicle body is formed, a force transmission channel is formed, and the jacking and twisting performances of the whole vehicle and the top cover rear cross beam are ensured. However, the structure has the problems that the welding connection parts among the parts are more, the utilization rate of the materials of the parts of the whole vehicle is low, and the weight reduction of the whole vehicle is not facilitated. The number of dies and welding clamps of the connecting piece of the rear cross beam of the top cover can be increased, and tooling cost is increased. More importantly, the structure has more parts in the force transmission channel of the rear cross beam of the top cover, the strength of the connecting part of each part is not easy to ensure, and the supporting strength of the rear cross beam of the top cover is insufficient.

Therefore, how to improve the connection supporting strength of the rear cross member of the top cover is a technical problem that needs to be solved by those skilled in the art.

Disclosure of utility model

The application aims to provide a connecting plate for a rear cross beam of a top cover, so as to improve a force transmission path of the rear cross beam of the top cover, ensure the connection strength between parts and further improve the connection supporting strength of the rear cross beam of the top cover; second, a top cover assembly is provided; and a third object is to provide an automobile.

In order to achieve the above purpose, the technical scheme adopted by the application is as follows:

A top cover rear cross beam connecting plate comprises a part body, a connecting flange and an assembling positioning surface, wherein the connecting flange and the assembling positioning surface are respectively arranged at the periphery of the part body;

The part body comprises a side wall part extending to the side wall of the vehicle body, and a rear wall fixing part connected to the rear upper side of the side wall part and folded and extended to the rear wall of the vehicle body relative to the side wall part, wherein the assembly positioning surface is connected to the top of the side wall part and the rear wall fixing part and used for connecting and supporting a top cover rear cross beam.

According to the technical means, the structure that the part body, the connecting flange and the assembling positioning surface are integrally formed by stamping is adopted by the top cover rear cross beam connecting plate, so that the number of tools such as stamping dies, welding jigs and the like is reduced, the part cost and the assembling cost can be reduced, and meanwhile, the supporting strength is ensured by the integrally formed structure, and the problem that the integral supporting strength is reduced due to insufficient connecting strength between parts is avoided; the setting of side wall portion and back enclose the fixed part has guaranteed the top cap rear cross beam and the connection between automobile body side wall and the automobile body back enclose, and the assembly location with the help of the top is to top cap rear cross beam joint support, utilizes the area of contact and joint strength that enclose corresponding part behind connection turn-ups increase part body and automobile body side wall and the automobile body, promotes the joint support intensity of top cap rear cross beam connecting plate to top cap rear cross beam.

Further, the connection flange includes:

The first flange is folded and connected to the top of the side wall part and positioned on one side of the assembly positioning surface, which is close to the middle cross beam of the top cover;

The second flange edge is arranged on the front side of the side wall part facing the A column and is used for being lapped with a rear side wall upper connecting piece of the vehicle body;

the third flange is folded and connected to the bottom of the side wall part and is used for being overlapped with a rear hub bag outer plate of the vehicle body;

And the fourth flange edge is in an upward concave arc shape and is connected between the second flange edge and the third flange edge and is used for being lapped on the side wall rear upper inner plate of the vehicle body.

According to the technical means, the first flange edge is overlapped with the top cover outer plate or the skylight, the second flange edge is overlapped with the connecting piece on the upper part of the rear side wall of the automobile body, the third flange edge is overlapped above the rear hub wrapping outer plate of the automobile body, the fourth flange edge is overlapped with the rear upper inner plate of the side wall of the automobile body, the connection strength of the side wall part and the side wall of the automobile body is improved, and the supporting strength of each part of the side wall of the automobile body to the rear cross beam of the top cover is further improved; and the structure of the fourth flange edge is consistent with the modeling trend of the rear side wall triangular window, so that the part structure after the assembly is optimized, the weight of the part is reduced, and the key effect on the attractive appearance and the weight reduction of the top cover rear cross beam connecting structure is realized.

Further, a first process gap is arranged between the third flange edge and the fourth flange edge.

According to the technical means, the side wall part is prevented from cracking by the arrangement of the first process notch, and the stamping forming rate of the part body is improved.

Further, the third flange edge is provided with a first reinforcing rib.

According to the technical means, the arrangement of the first reinforcing ribs further improves the connection strength of the side wall part and the rear hub package outer plate of the vehicle body, and a set gap for coating exhaust and liquid leakage is formed between the lap joint matching surfaces of the side wall part and the vehicle body.

Further, the bottom of the side wall adjacent to the rear wall fixing part is provided with a first lap joint surface which is folded and extended towards the side wall part, the first lap joint surface is used for being lap-jointed and fixed above the rear hub package outer plate of the vehicle body, and a second process gap is arranged between the first lap joint surface and the third flange edge.

According to the technical means, the setting of the first overlap surface ensures the connection strength between the rear wall fixing part and the rear hub outer plate, and meanwhile, the setting of the second process notch avoids cracking between the rear wall fixing part and the side wall part in the stamping process.

Further, a first lightening hole is formed in the central area of the side wall portion, and/or a second reinforcing rib is arranged on the surface of one side, away from the inside of the vehicle body, of the side wall portion.

According to the technical means, the arrangement of the first lightening holes can reduce the overall weight of the top cover rear cross beam connecting plate, and is beneficial to the realization of light weight of the whole vehicle; and the arrangement of the second reinforcing ribs improves the overall strength and rigidity of the side wall part and prevents the side wall part from buckling deformation.

Further, the connecting flanging comprises a fifth flange edge arranged on one side of the rear wall fixing part, which is away from the side wall part, and a sixth flange edge arranged at the bottom of the rear side of the rear wall fixing part; a third process notch is alternately arranged in the extending direction of the rear periphery fixing part at the edge of the fifth flange, and the fifth flange is used for being overlapped with the side wall rear water flowing groove; and the sixth flange edge is used for being lapped on the middle section of the inner plate of the D column.

According to the technical means, the arrangement of the fifth flange edge and the sixth flange edge improves the connection strength between the rear wall fixing part and the rear wall of the vehicle body, and meanwhile, the third process notch avoids the cracking of the rear wall fixing part in the stamping process of the fifth flange edge, so that the stamping forming rate of the part body is improved.

Further, the part body is provided with a welding positioning hole and/or the rear wall fixing part is provided with a process via hole, and the process via hole is used for the welding head to pass through to weld the third flange edge.

According to the technical means, the welding positioning holes are convenient for fixing and positioning when the rear cross beam connecting plate of the top cover is welded with the corresponding parts, so that the welding connection precision and the welding connection strength are ensured; the welding head and the welding rod penetrate through the rear wall fixing part and extend into the inner side between the side wall part and the outer plate of the rear hub bag to weld the side wall part and the outer plate of the rear hub bag conveniently.

The utility model provides a top cap assembly, includes top cap planking, top cap front beam, top cap middle beam, top cap rear beam and the top cap rear beam connecting plate of any one of the above-mentioned, and top cap rear beam welds in the top of top cap rear beam connecting plate and is fixed in the automobile body side wall through top cap rear beam connecting plate, and the top cap planking overlap joint is in top cap front beam, top cap middle beam and top cap rear beam.

An automobile is provided with the top cover assembly.

The application has the beneficial effects that:

(1) The utilization rate of the structural lifting material of the integrated stamping forming of the top cover rear cross beam connecting plate is about 5.2%, so that the number of tools such as stamping dies and welding fixtures is reduced, and the development cost of the whole vehicle is further reduced;

(2) The integral stamping structure of the top cover rear cross beam connecting plate reduces the number of parts and the connection of the parts, and avoids the problem that the connection strength between the parts is insufficient to reduce the integral supporting strength; and the setting of side wall portion and back enclose the fixed part has guaranteed the top cap rear cross beam and the connection between automobile body side wall and the automobile body back enclose, and the assembly location with the help of the top is to top cap rear cross beam joint support, utilizes the area of contact and joint strength that enclose corresponding part behind connection turn-ups increase part body and automobile body side wall and the automobile body, promotes the joint support intensity of top cap rear cross beam connecting plate to top cap rear cross beam.

Drawings

FIG. 1 is a block diagram of a rear cross beam connection board of a top cover provided by an embodiment of the application;

Fig. 2 is an assembled schematic view of the rear cross beam connection plate of the roof of fig. 1.

Wherein:

001-rear hub outer plate; 002-D column inner plate middle section; 003-top cap rear cross member; 004-rear side upper connector; 005-a side sill reinforcement rear web; 006-side wall rear upper inner plate;

100-a top cover rear cross beam connecting plate; 1001-side wall part; 1002-a rear wall fixing part; 1003-first positioning support surface; 1004-a second positioning support surface; 1005-a first flange edge; 1006—a first welding positioning hole; 1007-a second flange edge; 1008-a fourth flange edge; 1009-a second stiffener; 1010-a first process gap; 1011-first reinforcing bars; 1012-a third flange edge; 1013-a second process gap; 1014-a first faying surface; 1015-sixth flange edges; 1016-third reinforcing bars; 1017-process via; 1018-second weld pilot holes; 1019-a first lightening hole; 1020-mounting a support surface; 1021-fifth flange edge; 1022-third process gap.

Detailed Description

Further advantages and effects of the present application will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

The azimuth words used in the application for describing the mutual position relation of the parts are all defined by taking the vehicle as a reference, the extending direction from the tail to the head is defined as front, the extending direction from the head to the parking space is defined as back, the extending direction from the chassis to the top cover assembly is defined as upper, the extending direction from the top cover assembly to the chassis is defined as lower, the extending direction from the main driving position to the auxiliary driving position is defined as right, and the extending direction from the auxiliary driving position to the main driving position is positioned as left.

In order to solve the technical problem that in the prior art, the connecting strength of a top cover rear cross beam 003 connecting piece to the top cover rear cross beam 003 is insufficient, the application provides the top cover rear cross beam connecting plate 100 which can improve the force transmission path of the top cover rear cross beam 003, ensure the connecting strength among all parts and improve the connecting and supporting strength to the top cover rear cross beam 003.

Referring to fig. 1, the difference between the connection support structure of the rear cross member 003 of the existing top cover provided by the embodiment of the application and the connection support structure of the rear cross member 003 of the existing top cover is that the rear cross member connection plate 100 of the top cover provided by the embodiment of the application is an integral stamping structure, so that the number of connection positions required between components is reduced, and the connection support strength of the rear cross member 003 of the top cover is improved. Specifically, the top cover rear cross beam connecting plate 100 comprises a part body, a connecting flange and an assembling and positioning surface, wherein the connecting flange and the assembling and positioning surface are formed on the periphery of the part body, the connecting flange plays a role in connecting corresponding parts of a side wall and a rear wall of a vehicle body, and the assembling and positioning surface plays a role in assembling and positioning and supporting and fixing the top cover rear cross beam 003.

The part body comprises a side wall part 1001 and a rear wall fixing part 1002 connected with the side wall part 1001, the side wall part 1001 extends to the side wall of the vehicle body, the rear wall fixing part 1002 is located above the rear side of the side wall part 1001, the side wall part 1001 is folded and folded relatively to extend to the rear wall of the vehicle body, and the assembly positioning surface is connected to the top of the side wall part 1001 and the top of the rear wall fixing part 1002. The side wall portion 1001 has a predetermined curvature protruding outward from the vehicle body, and the rear wall fixing portion 1002 has a predetermined curvature recessed inward from the vehicle body. The side wall portion 1001 is used for being welded and fixed with a corresponding structure of a side wall of a vehicle body, the rear wall fixing portion 1002 is welded and fixed with a corresponding structure of a rear wall of the vehicle body, and the assembly positioning surface is used for fixing and supporting the top cover rear cross beam 003. The connecting flange is provided on the outer peripheral portions of the side wall portion 1001 and the rear wall fixing portion 1002, and serves to increase the connecting area between the roof rear cross member connecting plate 100 and the corresponding structure of the vehicle body, improve the force transmission path, and improve the supporting strength.

The structure of the integral stamping forming of the top cover rear cross beam connecting plate 100 reduces the number of parts, reduces the number of connecting positions required between the parts, reduces the risk of connecting the parts in place, and ensures the supporting strength. The number of parts is reduced, and meanwhile, the number of tools such as stamping dies, welding fixtures and the like is reduced, so that the development cost of the whole vehicle is reduced. The top cover rear cross beam connecting plate 100 is connected with the corresponding structure of the side wall of the automobile body by means of the side wall part 1001 of the part body, is connected with the corresponding structure of the rear wall of the automobile body by means of the rear wall fixing part 1002 of the part body, and the arrangement of the connecting flange plays a role in increasing the connecting area and the connecting strength of the corresponding structure of the part body and the automobile body, so that the supporting strength of the top cover rear cross beam 003 is guaranteed.

In some embodiments, with further reference to fig. 1, the attachment cuff may be configured to include a first flange edge 1005, a second flange edge 1007, a third flange edge 1012, and a fourth flange edge 1008. The first flange 1005 is located at the top of the side wall 1001 and is turned towards the top cover assembly with respect to the side wall 1001, and the first flange 1005 is located at a side of the assembly positioning surface near the top cover middle beam, that is, in front of the assembly positioning surface. The first flange 1005 is used for spot welding and fixing after overlapping with the top cover outer plate or the skylight. The second flange 1007 is disposed on the front side of the side wall 1001, that is, on the side of the side wall 1001 facing the a-pillar or the B-pillar, and is used for being overlapped with the rear side upper connector 004 of the vehicle body and then fixed by spot welding. The third flange 1012 is located at the bottom of the side wall 1001 and turned towards the inner side of the vehicle body relative to the bottom of the side wall 1001, and the third flange 1012 is used for being fixedly connected with the rear hub shell 001 of the vehicle body through spot welding after being overlapped. The fourth flange 1008 is located between the second flange 1007 and the third flange 1012, and is integrally formed with an arc structure concave upward toward the rear upper side of the vehicle body, and is used for being fixedly connected with the side wall rear upper inner plate 006 of the vehicle body by spot welding after overlapping. The structure of the fourth flange 1008 is consistent with the modeling trend of the rear side wall triangular window, so that the part structure after the assembly is optimized, the weight of the part is reduced, and the key effect on the attractive appearance and the weight reduction of the connecting structure of the rear cross beam 003 of the top cover is achieved. The assembly positioning surface includes a first positioning support surface 1003 and a second positioning support surface 1004 disposed with a set gap.

The side wall threshold reinforcement back connecting plate 005 is connected with the back wheel hub package planking 001 through spot welding, and top cap rear cross beam connecting plate 100 also its side wall portion 1001 passes through spot welding through setting up third flange limit 1012 and is connected with back wheel hub package planking 001, and the setting of side wall back upper inner panel 006 is inboard at the automobile body, and top cap rear cross beam connecting plate 100 sets up in the automobile body outside, passes through spot welding with back wheel hub package planking 001 respectively and is connected to form the cavity. The side wall 1001, the side wall threshold reinforcement rear connecting plate 005 and the side wall rear upper inner plate 006 are all connected with the rear hub outer cover plate through spot welding to form a rear side wall assembly.

In the above embodiment, the first process notch 1010 is disposed between the third flange edge 1012 and the fourth flange edge 1008, and the first process notch 1010 is disposed to avoid cracking of the third flange edge 1012 or the fourth flange edge 1008 during the stamping process, so as to improve the stamping forming rate of the part body. The lower terminal surface of third flange limit 1012 still can set up many first strengthening ribs 1011 at intervals as required, promotes the intensity of third flange limit 1012 and the joint strength between third flange limit 1012 and the back wheel hub package planking 001 with the help of first strengthening rib 1011, can form the clearance of setting for between third flange limit 1012 and back wheel hub package planking 001 overlap joint mating surface simultaneously, and this clearance of setting is used for exhaust and weeping when automobile body application electrophoresis.

In addition, a first lap surface 1014 is provided at the bottom of the side of the back wall fixing portion 1002 adjacent to/connected to the side wall portion 1001, the first lap surface 1014 is provided to extend from the bottom of the side edge of the back wall fixing portion 1002 toward the side wall portion 1001, and a second process gap 1013 is provided between the first lap surface 1014 and the third flange edge 1012. The provision of the second process notch 1013 facilitates the formation of the side wall portion 1001 and the rear wall fixing portion 1002 of the part body during the stamping process, avoiding pulling and tearing the third flange edge 1012 or the first overlap surface 1014. The first joint surface 1014 is used to be joined to the upper side of the rear hub shell plate 001 and is fixed by spot welding, thereby achieving the connection between the rear wall fixing portion 1002 and the rear hub shell plate 001.

In some embodiments, to achieve the light weight of the roof rear cross rail connection plate 100, the part body is provided with the first lightening holes 1019 at corresponding positions, and for example, the first lightening holes 1019 may be formed in the central region of the side wall portion 1001, and the second lightening holes or the third lightening holes may be formed at other positions of the part body as required. Meanwhile, in order to improve the yield strength of the side wall portion 1001, buckling deformation of the side wall portion 1001 is avoided, and a second reinforcing rib 1009 may be further provided on a side surface of the side wall portion 1001 facing away from the inside of the vehicle body. For example, the second stiffener 1009 may be disposed on the outside of the side wall 1001 in a direction generally parallel to the fourth flange edge 1008.

In some embodiments, in order to improve the connection strength between the rear wall fixing portion 1002 and the corresponding structure of the vehicle body rear wall, the connection flange further includes a fifth flange edge 1021 and a sixth flange edge 1015 provided to the rear wall fixing portion 1002. The fifth flange 1021 is located at a side of the back wall fixing portion 1002 away from the side wall portion 1001, and the sixth flange 1015 is located at a rear bottom of the back wall fixing portion 1002 and is folded upward with respect to the rear bottom of the back wall fixing portion 1002. Considering that the side edge of the rear wall fixing portion 1002 facing away from the side wall portion 1001 presents an arc-shaped bending structure, the fifth flange edge 1021 is located at the inner periphery of the arc-shaped bending structure, and in order to avoid the fifth flange edge 1021 from wrinkling or cracking during press forming, third process notches 1022 are alternately arranged along the extending direction of the fifth flange edge 1021. The fifth flange 1021 is used for being lapped with the supporting plate of the top cover rear cross beam 003 and the side wall rear water flowing groove, so that a back door frame sealing strip mounting surface is formed. The sixth flange 1015 is adapted to overlap with and spot-welded to the middle section 002 of the D pillar inner panel, and when the D pillar structure is not present in the vehicle, the sixth flange 1015 may be adapted to overlap with and spot-welded to the middle section of the C pillar inner panel. The third reinforcing ribs 1016 can be convexly arranged on the upper side surface of the sixth flange 1015 according to the requirement, so that the phenomenon of wrinkling during the forming of the sixth flange 1015 is avoided.

Further, the upper end surface of the back wall fixing portion 1002 is protruded upwards to form a mounting supporting surface 1020, a mounting hole is formed in the mounting supporting surface 1020, and the mounting supporting surface 1020 is used for being lapped with a side wall back water flowing groove and a back door supporting plate of the vehicle body to mount the back door supporting rod. In order to facilitate the structural welding of the part body, the side wall of the vehicle body and the rear wall of the vehicle body, the part body can be further provided with a welding positioning hole, and the part body and the structure to be welded are fixed by means of the cooperation of the welding positioning hole and a welding fixture. Illustratively, the weld pilot holes may include a first weld pilot hole 1006 disposed on a side of the side wall 1001 proximate the front side or proximate the second flange edge 1007, and a second weld pilot hole 1018 disposed at a lower position between the side wall 1001 and the rear wall securing portion 1002. In the concrete implementation, other welding positioning holes can be arranged according to the welding positioning requirement.

In addition, in order to facilitate welding the bottom of the side wall 1001, that is, the third flange 1012 and the rear hub outer plate 001, the rear wall fixing portion 1002 is further provided with process vias 1017, and the process vias 1017 may specifically be provided in three groups. When the third flange 1012 and the rear hub shell plate 001 are welded, the welding rod and the welding head can directly face the outer sides of the third flange 1012 and the rear hub shell plate 001 from the outer sides to be welded, then the welding rod and the welding head can pass through the corresponding process through holes 1017 to weld the inner sides of the third flange 1012 and the rear hub shell plate 001, and the reliability of connection between the third flange 1012 and the rear hub shell plate 001 is improved.

The top cover rear cross beam connecting plate 100 is connected with the top cover rear cross beam 003, the top cover rear cross beam 003 supporting plate, the back door hinge reinforcing piece, the rear side wall upper connecting piece 004, the side wall rear upper inner plate 006, the rear hub outer plate 001, the D column inner plate middle section 002, the back door supporting rod supporting plate and the side wall rear water flowing groove through spot welding, so that a force transmission path of the top cover rear cross beam 003 is formed, and the torsion performance of the whole automobile is improved.

The embodiment of the application also provides a top cover assembly, which comprises a top cover outer plate, a top cover front beam, a top cover middle beam, a top cover rear beam 003 and the top cover rear beam connecting plate 100 disclosed in the embodiment, wherein the top cover rear beam 003 is welded and fixed on the top of a side wall of a vehicle body and a rear wall of the vehicle body through the top cover rear beam connecting plate 100, and the top cover outer plate is lapped and fixed above the top cover front beam, the top cover middle beam and the top cover rear beam 003.

The embodiment of the application also provides an automobile, which comprises a chassis, an automobile body and the top cover assembly provided by the embodiment, wherein the automobile can be a fuel oil automobile or a new energy automobile, and the application is not particularly limited to the above.

According to the application, the top cover rear cross beam connecting plate 100 is arranged into an integral stamping forming structure, so that the material utilization rate is improved, the structural material utilization rate of the top cover rear cross beam 003 is improved by about 5.2%, meanwhile, the process forming feasibility analysis is realized by carrying out process adjustment on parts, the connection supporting strength of the top cover rear cross beam 003 is ensured, the weight reduction is realized by 1.2kg, and the realization of the light weight of the whole vehicle is facilitated; after the parts are combined, the number of tools such as stamping dies, welding fixtures and the like is reduced, and the purpose of reducing the development cost of the whole vehicle is achieved.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The connecting plate for the top cover rear cross beam is characterized by comprising a part body, a connecting flange and an assembling positioning surface, wherein the connecting flange and the assembling positioning surface are respectively arranged at the periphery of the part body, and the part body, the connecting flange and the assembling positioning surface are integrally formed by stamping;

The part body comprises a side wall part extending to the side wall of the vehicle body, and a rear wall fixing part connected to the rear upper side of the side wall part and folded and extended to the rear wall of the vehicle body relative to the side wall part, and the assembly positioning surface is connected to the top of the side wall part and the rear wall fixing part and used for connecting and supporting a top cover rear cross beam.

2. The roof rear cross rail connection panel of claim 1 wherein said connection flange includes:

the first flange side is folded and connected to the top of the side wall part and is positioned at one side of the assembly positioning surface, close to the middle cross beam of the top cover;

the second flange edge is arranged on the front side of the side wall part facing the A column and is used for being lapped with a rear side wall upper connecting piece of the vehicle body;

the third flange is folded and connected to the bottom of the side wall part and used for being overlapped with a rear hub bag outer plate of the vehicle body;

And the fourth flange edge is in an upward concave arc shape and is connected between the second flange edge and the third flange edge and is used for being lapped on a side wall rear upper inner plate of the vehicle body.

3. The roof rear cross rail connection panel of claim 2 wherein a first process gap is provided between the third flange edge and the fourth flange edge.

4. The roof rear cross rail connection panel of claim 2 wherein the third flange edge is provided with a first reinforcing bead.

5. The roof rear cross rail connection plate of any one of claims 2 to 4, wherein a first overlap surface extending towards the side wall part in a folded manner is arranged at the bottom of the side wall part adjacent to the side wall part, the first overlap surface is used for being fixedly overlapped above a rear hub package outer plate of a vehicle body, and a second process gap is arranged between the first overlap surface and the third flange edge.

6. The roof rear cross rail connection panel of claim 1, wherein the center region of the side gusset portion is provided with a first lightening hole and/or the surface of the side gusset portion facing away from the vehicle body interior side is provided with a second reinforcing rib.

7. The roof rear cross rail connection panel of claim 1, wherein the connection flange includes a fifth flange provided on a side of the rear wall fixing portion facing away from the side wall portion, and a sixth flange provided on a bottom of a rear side of the rear wall fixing portion; a third process notch is alternately arranged on the fifth flange edge along the extending direction of the rear wall fixing part, and the fifth flange edge is used for being overlapped with the side wall rear water flowing groove; and the sixth flange edge is used for being lapped on the middle section of the inner plate of the D column.

8. The roof rear cross rail connection plate of claim 2, wherein the part body is provided with a welding positioning hole, and/or the rear periphery fixing part is provided with a process via hole, and the process via hole is used for a welding head to pass through and weld the third flange edge.

9. The utility model provides a top cap assembly, its characterized in that includes top cap planking, top cap front beam, top cap middle beam, top cap rear beam and the top cap rear beam connecting plate of any one of claims 1-8, the top cap rear beam weld in the top of top cap rear beam connecting plate and through top cap rear beam connecting plate is fixed in the automobile body side wall, the top cap planking overlap joint in top cap front beam, top cap middle beam and top cap rear beam.

10. An automobile employing the roof assembly of claim 9.