CN114987163A - Vehicle body reinforcing structure and vehicle - Google Patents

Abstract

The invention provides a vehicle body reinforcement structure and a vehicle, and relates to the technical field of automobiles. The body reinforcement structure includes a top cover assembly, a top cover front beam, a top cover rear beam, a first side wall assembly and a second side wall assembly; the top cover assembly includes a top cover outer panel and a sunroof reinforcing plate, and the first side The enclosure assembly has a first extension and the second side enclosure assembly has a second extension. The vehicle includes a body reinforcement structure. The first side enclosure assembly has a first extension portion, the second side enclosure assembly has a second extension portion, the first extension portion and the sunroof reinforcing plate overlap and are fixedly connected to each other, and the second extension portion overlaps the sunroof reinforcing plate. Connecting and fixing the connection can improve the torsional stiffness and torsional mode of the vehicle body, thereby ensuring the good NVH performance, VD performance and durability of the vehicle.

Description

Body reinforcement structure and vehicle

technical field

The invention relates to the technical field of automobiles, in particular to a vehicle body reinforcement structure and a vehicle.

Background technique

With the improvement of people's living standards, cars have become the most commonly used means of transportation. With the ever-increasing demand for the comfort and practicality of cars, the functions of the car are also increasing in the design process of the car. Among them, the panoramic sunroof is one of the necessary equipments of modern cars.

In the related art, the sunroof is installed on the top cover assembly, the top cover assembly includes the top cover outer panel and the sunroof reinforcement plate, and the top cover assembly is respectively connected with the top cover front beam, the top cover rear beam, the left side enclosure assembly and the right side cover assembly. The side wall assembly is lapped connection. In order to improve the light transmission and air circulation in the car, the opening of the panoramic sunroof will be enlarged.

However, as the opening of the panoramic sunroof increases, the torsional stiffness of the body and the torsional mode of the body are reduced.

SUMMARY OF THE INVENTION

The present invention provides a vehicle body reinforcement structure and a vehicle to solve the problem that the torsional rigidity of the vehicle body and the torsional mode of the vehicle body are reduced as the opening of the panoramic sunroof increases.

In one aspect, the present invention provides a vehicle body reinforcement structure, comprising a top cover assembly, a top cover front cross member, a top cover rear cross member, a first side wall assembly and a second side wall assembly;

The first side wall assembly and the second side wall assembly are arranged opposite to each other, and the top cover front cross beam and the top cover rear cross beam are connected to the first side wall assembly and the second side respectively. Between the enclosure assemblies, the top cover front beam and the top cover rear beam are arranged oppositely;

The roof cover assembly includes a roof cover outer panel and a sunroof reinforcement plate, the first side wall assembly includes a first side wall body and a first extension, and the second side wall assembly includes a second side wall body and a second extension part, the top cover outer panel is respectively overlapped and fixedly connected with the top cover front beam, the top cover rear beam, the first side enclosure main body and the second side enclosure main body, The skylight reinforcing plate is respectively overlapped and fixedly connected with the front cross beam of the top cover, the rear cross beam of the top cover, the first extension part and the second extension part.

Optionally, the first side enclosure body includes a first side enclosure outer panel, a first roof sill outer panel and a first roof sill inner panel, and the first side enclosure outer panel is connected to the top cover outer panel, the first extension part is connected to the first roof side sill outer panel and/or the first roof side sill inner panel, and the first extension part extends toward the interior of the vehicle;

The second side enclosure main body includes a second side enclosure outer panel, a second roof rail outer panel and a second roof rail inner panel, the second side enclosure outer panel is connected to the top cover outer panel, and the second side panel outer panel is connected to the top cover outer panel. the extension part is connected to the second roof side sill outer panel and/or the second roof side sill inner panel, and the second extension part extends toward the interior of the vehicle;

The first extension part is provided with a plurality of first bolt installation parts and a plurality of first glue application parts, and the plurality of first bolt installation parts are used for screwing the first extension part and the sunroof reinforcement plate on the At the same time, the plurality of first gluing parts are used to bond the first extension part and the skylight reinforcing plate together with structural glue;

The second extension part is provided with a plurality of second bolt installation parts and a plurality of second glue application parts, and the plurality of second bolt installation parts are used for screwing the second extension part and the skylight reinforcement plate on the At the same time, the plurality of second gluing parts are used for bonding the second extension part and the skylight reinforcing plate together by using structural glue.

Optionally, the first extension part includes a plurality of first extension plates, the plurality of first extension plates are arranged at intervals in the front-rear direction of the vehicle, and each of the first extension plates is provided with the first extension plate. a bolt mounting part and the first glue coating part;

The second extension portion includes a plurality of second extension plates, the plurality of second extension plates are arranged at intervals in the front-rear direction of the vehicle, and each of the second extension plates is provided with the second bolt mounting portion and the second gluing part.

Optionally, the first bolt installation part is a first bolt installation hole, the first glue application part is a first glue application surface, and the first bolt installation part and the first glue application part are in the The first extension plate is provided with steps;

The second bolt installation part is a second bolt installation hole, the second glue application part is the second glue application part surface, and the second bolt installation part and the second glue application part extend in the second Ladder set on board.

Optionally, the skylight reinforcing plate includes a first beam, a second beam, a first longitudinal beam and a second longitudinal beam, and the first longitudinal beam is respectively connected to the first beam and the second beam by overlapping connection , the second longitudinal beam is connected with the first transverse beam and the second transverse beam respectively, the first transverse beam and the second transverse beam are arranged oppositely, the first longitudinal beam and the second longitudinal beam Beam relative setting;

The first cross beam is connected to the front cross beam of the top cover, the second cross beam is connected to the rear cross beam of the top cover, and the first longitudinal beam is connected to the first extension. The second longitudinal beam is connected with the second extension part in overlapping connection.

Optionally, the first longitudinal beam is provided with a plurality of first sunroof installation parts, the second longitudinal beam is provided with a plurality of second sunroof installation parts, and the first sunroof installation parts are close to the A first side panel assembly is arranged, a plurality of the second sunroof installation parts are arranged close to the second side panel assembly, the centers of the plurality of the first sunroof installation parts are located on a first straight line, and a plurality of the The center of the installation part of the second window is located on the second straight line;

The centers of the plurality of first bolt mounting portions are disposed close to the first straight line, and the centers of the plurality of second bolt mounting portions are disposed close to the second straight line.

Optionally, the first longitudinal beam is further provided with a plurality of first mounting legs, the second longitudinal beam is further provided with a plurality of second mounting legs, and the plurality of the first mounting legs are close to all the first mounting legs. The first side wall assembly is arranged, a plurality of the second installation legs are arranged close to the second side wall assembly, and the plurality of the first installation legs are used to overlap with the first side wall outer plate connected, a plurality of the second mounting legs are used for overlapping with the second side wall outer plate;

A plurality of the first extension plates and a plurality of the first installation legs are arranged in a staggered manner, and a plurality of the second extension plates and a plurality of the second installation legs are arranged in a staggered manner.

Optionally, both ends of the front cross beam of the top cover are screwed together with the first cross beam, and the middle of the front cross beam of the top cover and the first cross beam are bonded together by structural glue;

The two ends of the rear beam of the top cover are screwed together with the second beam, and the middle of the rear beam of the top cover and the second beam are bonded together by structural glue.

Optionally, a plurality of first welding avoidance holes are provided on the inner panel of the first roof side member, and the plurality of first welding avoidance holes are arranged at intervals in the front-rear direction of the vehicle, and a plurality of the first welding avoidance holes are provided. It is used to connect the top cover outer plate, the first side wall outer plate and the first upper side beam outer plate by three-layer spot welding;

The inner panel of the second roof rail is provided with a plurality of second welding avoidance holes, the plurality of second welding avoidance holes are arranged at intervals in the front and rear directions of the vehicle, and the plurality of the second welding avoidance holes are used to make all the The top cover outer plate, the second side wall outer plate and the second upper side beam outer plate are connected by three-layer spot welding.

In another aspect, the present invention provides a vehicle, comprising: a sunroof and the above-mentioned vehicle body reinforcement structure;

The sunroof is detachably mounted on the vehicle body reinforcement structure.

The invention provides a vehicle body reinforcement structure and a vehicle, wherein the vehicle body reinforcement structure includes a roof cover assembly, a roof cover front beam, a roof cover rear beam, a first side wall assembly and a second side wall assembly; the roof cover assembly It includes a top cover outer panel and a sunroof reinforcement panel, the first side panel assembly includes a first side panel body and a first extension, the second side panel assembly includes a second side panel body and a second extension, and the top cover outer panel They are respectively overlapped and fixedly connected with the top cover front beam, the top cover rear beam, the first side enclosure main body and the second side enclosure main body, and the skylight reinforcing plate is respectively connected with the top cover front beam, the top cover rear beam, the first extension and the second side enclosure. The two extension parts overlap and are fixedly connected. The first side enclosure assembly has a first extension portion, the second side enclosure assembly has a second extension portion, the first extension portion and the sunroof reinforcement plate overlap each other and are fixedly connected, and the second extension portion overlaps with the sunroof reinforcement plate. Connecting and fixing the connection can improve the torsional stiffness and torsional mode of the vehicle body, thereby ensuring the good NVH performance, VD performance and durability of the vehicle.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a vehicle body reinforcement structure provided by an embodiment of the present invention;

Fig. 2 is the exploded structure schematic diagram of the vehicle body reinforcement structure in Fig. 1;

Fig. 3 is the structural schematic diagram of the top cover assembly in Fig. 2;

Fig. 4 is the exploded structure schematic diagram of the skylight reinforcing plate in Fig. 3;

5 is a schematic structural diagram of the first overlapping portion and the fifth overlapping portion in FIG. 4;

FIG. 6 is a schematic structural diagram of the first side wall assembly and the second side wall assembly in FIG. 2;

FIG. 7 is a partial structural schematic diagram of the first side wall assembly in FIG. 6;

Fig. 8 is the cross-sectional structure schematic diagram at the A-A place in Fig. 1;

Fig. 9 is the cross-sectional structure schematic diagram at the B-B place in Fig. 1;

FIG. 10 is an enlarged schematic view of C in FIG. 6 .

Description of reference numbers:

10-top cover assembly; 11-top cover outer plate; 12-skylight reinforcement plate; 121-first beam; 122-second beam; 123-first longitudinal beam; 124-second longitudinal beam; 12111-sinking platform ; 12112 - the first step surface; 12113 - the first flange; 1233 - the first skylight installation part; 1234 - the first installation leg; 1243 - the second window installation part; 1244 - the second installation leg; 1211 - the first 1 lap; 1212-second lap; 1221-third lap; 1222-fourth lap; 1231-fifth lap; 12311-avoidance groove; 12312-second step surface; 12313 - second flange; 1232 - sixth lap; 1241 - seventh lap; 1242 - eighth lap;

20- Top cover front beam; 30- Top cover rear beam; 40- First side wall assembly; 41- First side wall main body; 411- First side wall outer plate; 412- First upper side beam outer plate; 413 - The first upper side beam inner panel; 4131 - The first welding avoidance hole; 42 - The first extension part; 421 - The first bolt mounting part; 422 - The first glue part; The second side body; 52 - the second extension.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, terms such as "installation", "connection" and "fixing" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection or can communicate with each other; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction between the two elements, unless otherwise specified. limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the above description, descriptions with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc. are meant to engage the specific features, structures described in that embodiment or example. , material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

In the related art, the sunroof is installed on the top cover assembly, the top cover assembly includes the top cover outer panel and the sunroof reinforcement plate, and the top cover assembly is respectively connected with the top cover front beam, the top cover rear beam, the left side enclosure assembly and the right side cover assembly. Side wall engineering lap connection. In order to improve the light transmission and air circulation in the car, the opening of the panoramic sunroof will be enlarged. However, as the opening of the panoramic sunroof increases, the torsional stiffness of the body and the torsional mode of the body are reduced.

In order to solve the above problems, the present invention provides a vehicle body reinforcement structure and a vehicle, wherein the first side panel assembly has a first extension portion, the second side panel assembly has a second extension portion, and the first extension portion and the sunroof reinforcement plate are mutually Lap and fixed connection, the second extension part and the sunroof reinforcement plate are lapped and fixed to each other, which can improve the torsional stiffness and torsional mode of the vehicle body, thereby ensuring the good NVH performance, VD performance and durability of the vehicle.

The vehicle body reinforcement structure and the vehicle provided by the embodiments of the present invention will be described in detail below with reference to specific embodiments.

1 is a schematic structural diagram of a vehicle body reinforcement structure provided by an embodiment of the present invention; FIG. 2 is a schematic diagram of an exploded structure of the vehicle body reinforcement structure in FIG. 1 ; FIG. 3 is a schematic structural diagram of the top cover assembly in FIG. 2 ; FIG. 4 Fig. 3 is a schematic diagram of the exploded structure of the skylight reinforcing plate; Fig. 5 is a schematic structural diagram of the first lap joint and the fifth lap joint in Fig. 4; Fig. 6 is the first side wall assembly and the first A schematic structural diagram of the second side wall assembly; FIG. 7 is a partial structural schematic diagram of the first side wall assembly in FIG. 6 .

As shown in FIGS. 1 and 2 , an embodiment of the present invention provides a vehicle body reinforcement structure, including a roof assembly 10 , a roof front cross member 20 , a roof rear cross member 30 , a first side wall assembly 40 and a second side Circumference assembly 50.

Among them, the front of the vehicle is the front end of the vehicle, and the rear of the vehicle is the rear end of the vehicle; from the rear of the vehicle to the front of the vehicle, the left end of the vehicle is the left end of the vehicle; from the rear of the vehicle to the front of the vehicle Viewed from the direction of the front of the vehicle, the right end of the vehicle is the right end of the vehicle; the bottom end of the vehicle is the bottom end of the vehicle, and the top end of the vehicle is the top end of the vehicle.

The first side wall assembly 40 is located at the left end of the vehicle, and the second side wall assembly 50 is located at the right end of the vehicle. The rear cross member 30 is respectively connected between the first side wall assembly 40 and the second side wall assembly 50, the roof front cross member 20 and the roof rear cross member 30 are arranged oppositely, and the roof front cross member 20 is arranged close to the front end of the vehicle. The cover rear cross member 30 is provided near the rear end of the vehicle.

As shown in FIG. 6 , the first side enclosure assembly 40 includes a first side enclosure main body 41 and a first extension portion 42 , the first side enclosure main body 41 and the first extension portion 42 are connected to each other, and the first extension portion 42 can pass through the The left-right direction of the vehicle is formed by the first side panel main body 41 extending toward the inside of the vehicle.

The second side wall assembly 50 includes a second side wall main body 51 and a second extending portion 52, the second side wall main body 51 and the second extending portion 52 are connected to each other, and the second extending portion 52 can pass through the left and right directions of the vehicle by The second side panel main body 51 is formed to extend toward the inside of the vehicle. It should be noted that the structure of the second side enclosure body 51 is the same as that of the first side enclosure body 41 , and the structure of the second extension portion 52 is the same as that of the first extension portion 42 .

As shown in FIGS. 2 and 3 , the roof assembly 10 includes a roof outer panel 11 and a sunroof reinforcement panel 12 . The top cover outer plate 11 and the skylight reinforcing plate 12 both include windows the size of a skylight, and the top cover outer plate 11 and the skylight reinforcing plate 12 are connected to obtain the top cover assembly 10 by means of up-and-down connection. Specifically, after the window of the top cover outer plate 11 and the window of the skylight reinforcing plate 12 are aligned up and down, they are connected together by at least two methods of vibration isolation glue and structural glue bonding, spot welding, secondary welding welding, etc. .

The roof outer panel 11 and the roof front cross member 20 , the roof rear cross member 30 , the first side wall main body 41 and the second side wall body 51 are respectively overlapped and fixedly connected, so that the roof outer panel 11 is in the front and rear direction of the vehicle. Both ends on the top and both ends in the left-right direction of the vehicle can be fixed. Specifically, there are overlapping parts between the top cover outer panel 11 and the top cover front cross beam 20, the top cover outer panel 11 is located above the top cover front cross beam 20, and there may be a gap between the top cover outer panel 11 and the top cover front cross beam 20. Spot welding and structural glue are used to connect together; there is an overlapping part between the top cover outer plate 11 and the top cover rear beam 30, the top cover outer plate 11 is located above the top cover rear beam 30, the top cover outer plate 11 and the roof The cover rear beams 30 can be connected together by spot welding and structural glue; there is an overlapping part between the top cover outer panel 11 and the first side enclosure main body 41 , and the top cover outer panel 11 is located on the side of the first side enclosure main body 41 . Above, the top cover outer panel 11 and the first side enclosure main body 41 can be connected together by spot welding and structural glue; there is an overlapping part between the top cover outer panel 11 and the second side enclosure main body 51, and the top cover outer panel 11 and the second side enclosure main body 51 overlap each other. The board 11 is located above the second side wall body 51 , and the top cover outer plate 11 and the second side wall body 51 can be connected together by spot welding and structural glue.

The skylight reinforcing plate 12 may be a single piece, or may be formed by combining a plurality of separate pieces. The sunroof reinforcing plate 12 is respectively overlapped and fixedly connected with the roof front cross member 20 , the roof rear cross member 30 , the first extension portion 42 and the second extension portion 52 , so that the two ends of the skylight reinforcing plate 12 in the front-rear direction of the vehicle And both ends in the left and right direction of the vehicle can be fixed.

Specifically, there are overlapping parts between the skylight reinforcement plate 12 and the roof front beam 20, the skylight reinforcement plate 12 is located above the roof front beam 20, and a structural adhesive can be used between the skylight reinforcement plate 12 and the roof front beam 20 Bonding and bolting are fixed together; there are overlapping parts between the skylight reinforcement plate 12 and the roof rear beam 30, the skylight reinforcement plate 12 is located above the roof rear beam 30, and the skylight reinforcement plate 12 and the roof rear beam 30 can be connected together by structural glue and bolts; as shown in FIG. 6 and FIG. 7 , the first extension part 42 can be provided with a plurality of first bolt mounting parts 421 and a plurality of first glued parts 422, a plurality of The first bolt mounting portion 421 makes the first extension portion 42 and the skylight reinforcing plate 12 screwed together, and the plurality of first gluing portions 422 make the first extending portion 42 and the skylight reinforcing plate 12 bonded together by structural glue; The two extension parts 52 may be provided with a plurality of second bolt installation parts and a plurality of second glue application parts, and the plurality of second bolt installation parts make the second extension part 52 and the sunroof reinforcement plate 12 screwed together, and the plurality of second bolt installation parts The second glue application part makes the second extension part 52 and the skylight reinforcing plate 12 bonded together by structural glue.

In the vehicle body reinforcement structure provided by the embodiment of the present invention, the first side wall assembly 40 has a first extension portion 42 , the second side wall assembly 50 has a second extension portion 52 , and the first extension portion 42 and the sunroof reinforcement plate 12 are mutually Overlap and fixed connection, the second extension part 52 and the skylight reinforcing plate 12 are overlapped and fixedly connected with each other, which improves the connection strength between the top cover assembly 10 and the first side wall assembly 40, and improves the top cover assembly. The connection strength between the component 10 and the second side wall assembly 50 can be improved, so that the torsional stiffness and torsional mode of the body can be improved, thereby ensuring the good NVH performance, VD performance and durability of the vehicle.

FIG. 8 is a schematic diagram of a cross-sectional structure at A-A in FIG. 1 ; FIG. 9 is a schematic diagram of a cross-sectional structure at B-B in FIG. 1 .

Optionally, as shown in FIGS. 8 and 9 , the first side wall body 41 includes a first side wall outer plate 411 , a first roof side rail outer plate 412 and a first roof beam inner plate 413 , and the first side wall outer plate 413 . 411 is connected to the roof outer panel 11, the first extension 42 is connected to the first roof sill outer panel 412 and/or the first roof sill inner panel 413, and the first extension 42 extends toward the interior of the vehicle.

The first side wall outer plate 411 is connected to the outside of the first roof sill outer plate 412 , and the first roof sill inner plate 413 is connected to the inner side of the first roof sill outer plate 412 .

The top cover outer panel 11 is connected to the first side wall outer panel 411 . Specifically, the top cover outer panel 11 and the first side panel outer panel 411 overlap each other, the top cover outer panel 11 is located above the first side panel outer panel 411, and the top cover outer panel 11 and the first side panel are The outer plates 411 are connected together by structural glue.

The top cover outer plate 11 is connected with the first side wall outer plate 411 and the first roof beam outer plate 412 by spot welding.

The first extension portion 42 can be connected to the first roof sill outer plate 412, can also be connected to the first roof sill inner plate 413, and can also be connected to the first roof sill outer plate 412 and the first roof sill inner plate 413. .

In an optional embodiment, the first extension portion 42 is connected to the first roof sill inner plate 413 , and the first extension portion 42 and the first roof sill inner plate 413 are integrally formed.

Optionally, the first extension portion 42 includes a plurality of first extension plates, the plurality of first extension plates are arranged at intervals in the front-rear direction of the vehicle, and each first extension plate is provided with a first bolt mounting portion 421 and a first coating. glue part 422 . In this way, the weight of the first side wall assembly 40 can be reduced under the condition of ensuring the torsional rigidity of the vehicle body and the torsional mode of the vehicle body.

Of course, without considering the weight of the first side panel assembly 40 , the first extension portion 42 can be an extension plate that is not separated, so that the sunroof reinforcement plate 12 is connected to the first extension portion 42 in the front-rear direction of the vehicle. The overlapping area increases, thereby improving the torsional stiffness of the body and the torsional mode of the body.

Wherein, the first extension plate can be a plate of any shape, and no specific setting is made here.

The number of the first bolt mounting portions 421 on the first extension plate can be determined according to actual needs, and no specific setting is made here. The number of the first gluing parts 422 on the first extension plate can be determined according to actual needs, and no specific setting is made here.

FIG. 10 is an enlarged schematic view of C in FIG. 6 .

Further, as shown in FIG. 10 , the first bolt installation portion 421 is the first bolt installation hole, the first glue application portion 422 is the first glue application surface, and the first bolt installation portion 421 and the first glue application portion 422 are in the first position. An extension board is provided with steps. With this arrangement, the structural adhesive on the first glued surface can be prevented from being squeezed onto the first bolt mounting portion 421 during the bonding process between the first extension portion 42 and the skylight reinforcing plate 12, and the stepped arrangement can effectively improve the first bolt mounting portion 421. The rigidity of the extension part 42 can make the connection and fixation between the first extension part 42 and the sunroof reinforcing plate 12 better, thereby improving the torsional rigidity of the vehicle body and the torsional mode of the vehicle body.

The first extension plate is a stepped plate, and the first bolt mounting portion 421 and the first glue application portion 422 are arranged stepwise on the first extension plate. It should be noted that the shape of the skylight reinforcement plate 12 matches the shape of the first extension plate, and the part of the skylight reinforcement plate 12 in contact with the first extension plate is also arranged in a stepped shape.

The first bolt mounting portion 421 fixedly connects the first extension portion 42 and the sunroof reinforcing plate 12 through bolts. The first gluing portion 422 is used to securely connect the first extension portion 42 and the skylight reinforcing plate 12 through structural glue.

After the skylight reinforcing plate 12 and the first extension portion 42 are bonded by structural glue, the connection between the two is strengthened by bolt connection. The bolt connection can provide rigid connection before the structural adhesive is baked, improve the connection effect of structural adhesive bonding, and improve the modal and stiffness performance of the whole vehicle.

Optionally, the second side panel main body 51 includes a second side panel outer panel, a second roof side rail outer panel and a second roof side rail inner panel, the second side panel outer panel is connected to the top cover outer panel, and the second extension portion 52 Connected to the second roof sill outer panel and/or the second roof sill inner panel, the second extension portion 52 extends toward the interior of the vehicle. The specific structure of the second side enclosure body 51 may refer to the structure of the first side enclosure body 41 .

Wherein, the second side wall outer plate is connected to the outside of the second roof beam outer plate, and the second roof beam inner plate is connected to the inner side of the second roof beam outer plate. The structure of the second side panel outer panel is the same as that of the first side panel outer panel 411 ; the structure of the second roof sill outer panel is the same as that of the first roof side sill outer panel 412 ; the structure of the second roof sill inner panel is the same as that of the first roof sill outer panel A roof rail inner panel 413 has the same structure.

The top cover outer panel 11 is connected to the second side wall outer panel. Specifically, the top cover outer panel 11 and the second side panel outer panel overlap each other, the top cover outer panel 11 is located above the second side panel outer panel, and the top cover outer panel and the second side panel outer panel Bonded together with structural adhesive.

The top cover outer plate 11 is connected with the second side wall outer plate and the second upper side beam outer plate by spot welding.

The second extension portion 52 may be connected to the outer panel of the second roof sill, may also be connected to the inner panel of the second roof sill, and may also be connected to the outer panel of the second roof sill and the inner panel of the second roof sill.

In an optional embodiment, the second extension portion 52 is connected to the inner panel of the second roof sill, and the second extension portion 52 is integrally formed with the inner panel of the second roof sill.

Optionally, the second extension portion 52 includes a plurality of second extension plates, the plurality of second extension plates are arranged at intervals in the front-rear direction of the vehicle, and each second extension plate is provided with a second bolt mounting portion and a second glue application. department. In this way, the weight of the second side wall assembly 40 can be reduced under the condition of ensuring the torsional rigidity of the vehicle body and the torsional mode of the vehicle body. The specific structure of the second extension portion 52 may refer to the structure of the first extension portion 42 .

Of course, without considering the weight of the second side panel assembly 50 , the second extension portion 52 can be an extension plate that is not separated, so that the sunroof reinforcement plate 12 is connected to the second extension portion 52 in the front-rear direction of the vehicle. The overlapping area increases, thereby improving the torsional stiffness of the body and the torsional mode of the body.

Wherein, the shape of the second extension plate is consistent with the shape of the first extension plate.

The number of the second bolt mounting portions on the second extension plate can be determined according to actual needs, and no specific setting is made here. The number of the second gluing parts on the second extension plate can be determined according to actual needs, and no specific setting is made here.

Further, the second bolt installation portion is a second bolt installation hole, the second glue application portion is a second glue application surface, and the second bolt installation portion and the second glue application portion are arranged stepwise on the second extension plate. This arrangement can prevent the structural adhesive on the second glued surface from being squeezed onto the second bolt mounting portion during the bonding process between the second extension portion 52 and the sunroof reinforcing plate 12 , and at the same time, the stepped arrangement can effectively improve the second extension portion. The rigidity of the part 52 can be better connected and fixed between the second extension part 52 and the sunroof reinforcing plate 12, thereby improving the torsional rigidity and torsional mode of the vehicle body.

Wherein, the second extension plate is a stepped plate, and the second bolt mounting portion and the second glue application portion are arranged in steps on the second extension plate.

The second bolt mounting portion fixedly connects the second extension portion 52 to the sunroof reinforcing plate 12 through bolts. The second gluing part fixes the second extending part 52 and the skylight reinforcing plate 12 through structural glue.

After the skylight reinforcing plate 12 and the second extension portion 52 are bonded by structural adhesive, the connection between the two is strengthened by bolt connection. The bolt connection can provide rigid connection before the structural adhesive is baked, improve the connection effect of structural adhesive bonding, and improve the modal and stiffness performance of the whole vehicle.

Optionally, as shown in FIG. 4 , the skylight reinforcing plate 12 includes a first beam 121 , a second beam 122 , a first longitudinal beam 123 and a second longitudinal beam 124 . The two cross beams 122 are overlapped and connected, and the second longitudinal beam 124 is overlapped and connected to the first cross beam 121 and the second cross beam 122 respectively. The first cross beam 121 and the second cross beam 122 are arranged opposite to each other. Relative settings. In this way, the torsional rigidity and torsional mode of the sunroof reinforcement plate 12 can be improved through the mutual overlapping of the first cross beam 121 , the second cross beam 122 , the first longitudinal beam 123 and the second longitudinal beam 124 , so that the vehicle body can be improved. The torsional stiffness and torsional mode of the vehicle body are obtained, thereby ensuring the good NVH performance, VD performance and durability of the vehicle.

Wherein, the first longitudinal beam 123 and the first transverse beam 121 have overlapping parts, and the first longitudinal beam 123 and the first transverse beam 121 can be bonded by structural adhesive, spot welding, secondary welding, etc. connected together in at least one way.

There are overlapping parts between the first longitudinal beam 123 and the second transverse beam 122, and the first longitudinal beam 123 and the first transverse beam 121 can be bonded by at least one of structural adhesive, spot welding, and secondary welding. connected together in a way.

There are overlapping parts between the second longitudinal beam 124 and the first transverse beam 121 , and the second longitudinal beam 124 and the first transverse beam 121 can be bonded by at least one of structural adhesive, spot welding, secondary welding, etc. connected together in a way.

There are overlapping parts between the second longitudinal beam 124 and the second transverse beam 122 , and the second longitudinal beam 124 and the second transverse beam 122 can be bonded by at least one of structural adhesive, spot welding, secondary welding, etc. connected together in a way.

The thicknesses of the first transverse beam 121 , the second transverse beam 122 , the first longitudinal beam 123 and the second longitudinal beam 124 are determined by sensitivity analysis, which can reduce the weight of the skylight reinforcing plate 12 .

The first cross beam 121 is overlapped with the top cover front cross beam 20, the second cross beam 122 is overlapped with the top cover rear cross beam 30, the first longitudinal beam 123 is overlapped with the first extension portion 42, and the second longitudinal beam 124 is overlapped with the first longitudinal beam 124. The two extending portions 52 are connected by overlapping.

Optionally, both ends of the first beam 121 are provided with a first lap portion 1211 and a second lap portion 1212, and both ends of the second beam 122 are provided with a third lap portion 1221 and a fourth lap portion 1222, Both ends of the first longitudinal beam 123 are provided with a fifth overlapping portion 1231 and a sixth overlapping portion 1232 , both ends of the second longitudinal beam 124 are provided with a seventh overlapping portion 1241 and an eighth overlapping portion 1242 , the first The structures of the overlap portion 1211, the second overlap portion 1212, the third overlap portion 1221 and the fourth overlap portion 1222 are the same, and the fifth overlap portion 1231, the sixth overlap portion 1232, the seventh overlap portion 1241 and the The structure of the eighth lap joint 1242 is the same. The first lap joint 1211 and the fifth lap joint 1231 are used to connect together by spot welding, and the second lap joint part 1212 and the seventh lap joint part 1241 are used for spot welding. Together, the third overlapping portion 1221 and the sixth overlapping portion 1232 are used for spot welding together, and the fourth overlapping portion 1222 and the eighth overlapping portion 1242 are used for spot welding together.

Further, as shown in FIG. 5 , the first overlapping portion 1211 is provided with a sinking platform 12111, the fifth overlapping portion 1231 is provided with an escape groove 12311, and the sinking platform 12111 can be stuck in the avoiding groove 12311, and the sinking platform 12111 and the avoiding groove 12311 is used to position the first transverse beam 121 and the first longitudinal beam 123 . In this way, through the sinking platform 12111 and the avoidance groove 12311, the positioning and installation between the first overlapping portion 1211 and the fifth overlapping portion 1231 can be realized, so that the distance between the first overlapping portion 1211 and the fifth overlapping portion 1231 can be improved. installation accuracy.

The shape of the sink 12111 can be any shape, and no specific setting is made here. The shape of the escape groove 12311 matches the shape of the sinker 12111 .

The structures of the second overlapping portion 1212 , the third overlapping portion 1221 and the fourth overlapping portion 1222 may refer to the structure of the first overlapping portion 1211 . The structures of the sixth overlapping portion 1232 , the seventh overlapping portion 1241 and the eighth overlapping portion 1242 may refer to the structure of the fifth overlapping portion 1231 .

The installation method between the first overlapping portion 1211 and the fifth overlapping portion 1231, the installation method between the second overlapping portion 1212 and the seventh overlapping portion 1241, the third overlapping portion 1221 and the sixth overlapping portion The installation method between the 1232 and the fourth overlapping portion 1222 and the eighth overlapping portion 1242 are the same.

Optionally, as shown in FIG. 5 , the first overlapping portion 1211 is further provided with a first stepped surface 12112 , the fifth overlapping portion 1231 is further provided with a second stepped surface 12312 , the first stepped surface 12112 and the second stepped surface 12312 is used to join together with structural glue. In this way, through the first stepped surface 12112 and the second stepped surface 12312, the positioning and installation between the first overlapping portion 1211 and the fifth overlapping portion 1231 can be realized, so that the first overlapping portion 1211 and the fifth overlapping portion 1231 can be further improved. The installation accuracy between the overlapping parts 1231.

The shape of the first stepped surface 12112 can be any shape, which is not specifically set here. The shape of the second stepped surface 12312 matches the shape of the first stepped surface 12112 .

Optionally, as shown in FIG. 5 , the first overlapping portion 1211 extends toward the middle of the first longitudinal beam 123 in the direction of the first arc, and the fifth overlapping portion 1231 extends toward the first beam in the direction of the first arc The middle of 121 extends. In this way, the first overlapping portion 1211 and the fifth overlapping portion 1231 can cover the area where the strain energy of the skylight reinforcement plate is concentrated under torsional conditions.

The first overlapping portion 1211 is further provided with a first flange 12113, and the fifth overlapping portion 1231 is also provided with a second flange 12313. The first flange 12113 and the second flange 12313 abut against each other in the direction of the first arc. . This arrangement can further improve the torsional rigidity and torsional mode of the sunroof reinforcing plate 12, thereby improving the torsional rigidity and torsional mode of the vehicle body, thereby ensuring good NVH performance, VD performance and durability of the vehicle.

It should be noted that the four top corners of the skylight reinforcing plate 12 are all rounded corners. The first circular arc direction is the circular arc direction where the rounded corners of the first overlapping portion 1211 and the fifth overlapping portion 1231 of the skylight reinforcing plate 12 are located.

Optionally, as shown in FIG. 3 , the first longitudinal beam 123 is provided with a plurality of first sunroof mounting portions 1233 , the second longitudinal beam 124 is provided with a plurality of second sunroof mounting portions 1243 , and a plurality of first sunroof mounting portions 1243 are provided on the second longitudinal beam 124 . The part 1233 is disposed close to the first side panel assembly 40, the plurality of second window mounting parts 1243 are disposed close to the second side panel assembly 50, the centers of the plurality of first sunroof installation parts 1233 are located on the first straight line, and the plurality of second window mounting parts 1233 The center of the sunroof mounting portion 1243 is located on the second straight line. It should be noted that the dotted lines in FIG. 3 are the first straight line and the second straight line.

The centers of the plurality of first bolt mounting portions 421 are disposed close to the first straight line, and the centers of the plurality of second bolt mounting portions are disposed close to the second straight line. This arrangement is beneficial to transfer the sunroof load and improve the bearing capacity of the vehicle body reinforcement structure.

The first sunroof mounting portion 1233 and the second sunroof mounting portion 1243 are both sunroof mounting holes. The sunroof can be installed through the first sunroof mounting portion 1233 and the second sunroof mounting portion 1243 .

In an optional embodiment, the centers of the plurality of first bolt mounting portions 421 are located on a first straight line, and the centers of the plurality of second bolt mounting portions are located on a second straight line.

Further, as shown in FIG. 3 , the first longitudinal beam 123 is further provided with a plurality of first mounting legs 1234 , and the second longitudinal beam 124 is further provided with a plurality of second mounting legs 1244 , wherein the first mounting legs The legs 1234 and the top cover outer plate 11 have overlapping parts, and the first mounting legs 1234 and the top cover outer plate 11 are connected together by spot welding. There are overlapping parts between the second mounting legs 1244 and the top cover outer panel 11 , and the second mounting legs 1244 and the top cover outer panel 11 are connected together by spot welding. With this arrangement, the rigidity of the top cover assembly 10 can be increased, thereby facilitating the transportation of the top cover assembly 10 during the production process.

A plurality of first mounting legs 1234 are disposed near the first side wall assembly 40, a plurality of second mounting legs 1244 are disposed near the second side wall assembly 50, and the plurality of first mounting legs 1234 are used for connecting with the first side wall assembly 50. The peripheral outer plate 411 is overlapped, and the plurality of second mounting legs 1244 are used for overlapping with the second side peripheral outer plate. The first mounting legs 1234 and the first side wall outer plate 411 have overlapping portions, and the first mounting legs 1234 and the first side wall outer plate 411 are connected together by structural glue. There are overlapping portions between the second mounting legs 1244 and the second side panel outer panel, and the second mounting legs 1244 and the second side panel outer panel are connected together by structural adhesive. In this way, through the first installation leg 1234 and the second installation leg 1244, the connection strength between the top cover assembly 10 and the first side wall assembly 40 can be improved, and the top cover assembly 10 and the second side can be improved. The connection strength between the enclosure assemblies 50 can be improved, so that the torsional stiffness and torsional mode of the vehicle body can be improved, thereby ensuring the good NVH performance, VD performance and durability of the vehicle.

The plurality of first extension plates and the plurality of first installation legs 1234 are arranged in a staggered manner, and the plurality of second extension plates and the plurality of second installation legs 1244 are arranged in a staggered manner. With this arrangement, the connection strength between the roof cover assembly 10 and the first side wall assembly 40 can be further improved, and the connection strength between the roof cover assembly 10 and the second side wall assembly 50 can be improved, so that the vehicle body can be improved. The torsional stiffness and torsional mode of the vehicle body are obtained, thereby ensuring the good NVH performance, VD performance and durability of the vehicle.

Optionally, both ends of the front roof beam 20 are screwed together with the first beam 121 , and the middle of the front roof beam 20 and the first beam 121 are bonded together by structural adhesive. In this way, bolts can be arranged between the front beam 20 of the roof and the skylight reinforcing plate 12 at the corners where the force is relatively large, and the middle position where the force is relatively small is connected by structural glue, which can make the force more reasonable and the connection more stable. .

Both ends of the top cover rear cross beam 30 are screwed together with the second cross beam 122 , and the middle of the top cover rear cross beam 30 and the second cross beam 122 are bonded together by structural adhesive. With this arrangement, bolts can be arranged between the top cover rear beam 30 and the skylight reinforcing plate 12 at the corners where the force is relatively large, and the middle position where the force is relatively small is connected by structural glue, which can make the force more reasonable and the connection more stable. .

Optionally, as shown in FIG. 7 , a plurality of first welding avoidance holes 4131 are provided on the inner panel 413 of the first roof side member, and the plurality of first welding avoidance holes 4131 are arranged at intervals in the front-rear direction of the vehicle. The welding avoidance hole 4131 is used to connect the top cover outer plate 11 , the first side wall outer plate 411 and the first roof beam outer plate 412 by three-layer spot welding. This arrangement can make the connection between the top cover outer panel 11 and the first side wall assembly 40 more stable.

A plurality of second welding avoidance holes are provided on the inner panel of the second roof side member. The plurality of second welding avoidance holes are arranged at intervals in the front and rear directions of the vehicle. The plurality of second welding avoidance holes are used for the The outer panel of the second side wall and the outer panel of the second upper side beam are connected by three-layer spot welding. This arrangement can make the connection between the top cover outer panel 11 and the second side wall assembly 50 more stable.

Embodiments of the present invention further provide a vehicle, a sunroof and a vehicle body reinforcement structure. The sunroof is detachably mounted on the body reinforcement structure.

Wherein, the vehicle body reinforcement structure in this embodiment has the same structure as the vehicle body reinforcement structure provided by any of the above-mentioned embodiments, and can bring the same or similar technical effects. description of.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. scope.

Claims (10)

1. A vehicle body reinforcing structure is characterized by comprising a top cover assembly, a top cover front cross beam, a top cover rear cross beam, a first side enclosure assembly and a second side enclosure assembly;

the first side wall assembly and the second side wall assembly are arranged oppositely, the top cover front cross beam and the top cover rear cross beam are respectively connected between the first side wall assembly and the second side wall assembly, and the top cover front cross beam and the top cover rear cross beam are arranged oppositely;

the top cover assembly comprises a top cover outer plate and a skylight reinforcing plate, the first side wall assembly comprises a first side wall main body and a first extending portion, the second side wall assembly comprises a second side wall main body and a second extending portion, the top cover outer plate is respectively connected with the top cover front cross beam, the top cover rear cross beam, the first side wall main body and the second side wall main body in an overlapped mode and fixedly connected, and the skylight reinforcing plate is respectively connected with the top cover front cross beam, the top cover rear cross beam, the first extending portion and the second extending portion in an overlapped mode and fixedly connected.

2. The vehicle body reinforcing structure according to claim 1, wherein the first skirt main body includes a first skirt outer panel, a first roof side rail outer panel, and a first roof side rail inner panel, the first skirt outer panel is connected to the roof outer panel, the first extension portion is connected to the first roof side rail outer panel and/or the first roof side rail inner panel, and the first extension portion extends toward the vehicle interior;

the second side wall main body comprises a second side wall outer plate, a second upper side beam outer plate and a second upper side beam inner plate, the second side wall outer plate is connected with the top cover outer plate, the second extending part is connected to the second upper side beam outer plate and/or the second upper side beam inner plate, and the second extending part extends towards the inside of the vehicle;

the first extending part is provided with a plurality of first bolt installation parts and a plurality of first gluing parts, the first bolt installation parts are used for enabling the first extending part and the skylight reinforcing plate to be in threaded connection, and the first gluing parts are used for enabling the first extending part and the skylight reinforcing plate to be bonded together through structural glue;

the second extension is provided with a plurality of second bolt installation portions and a plurality of second rubber coating portions, the second bolt installation portions are used for enabling the second extension to be connected with the skylight reinforcing plate in a threaded mode, and the second rubber coating portions are used for enabling the second extension to be bonded with the skylight reinforcing plate through structural rubber.

3. The vehicle body reinforcing structure according to claim 2, wherein the first extension portion includes a plurality of first extension plates that are provided at intervals in a front-rear direction of the vehicle, each of the first extension plates being provided with the first bolt mounting portion and the first glue portion;

the second extension includes a plurality of second extension boards, and is a plurality of the second extension board is in the interval sets up in the fore-and-aft direction of vehicle, every the second extension board is provided with the second bolt installation department with second rubberizing portion.

4. The vehicle body reinforcing structure according to claim 3, wherein the first bolt mounting portion is a first bolt mounting hole, the first rubberized portion is a first rubberized surface, and the first bolt mounting portion and the first rubberized portion are arranged in a stepped manner on the first extension plate;

the second bolt installation part is a second bolt installation hole, the second gluing part is a second gluing part surface, and the second bolt installation part and the second gluing part are arranged on the second extension plate in a stepped mode.

5. The vehicle body reinforcing structure according to claim 4, wherein the sunroof reinforcing plate comprises a first cross member, a second cross member, a first longitudinal member, and a second longitudinal member, the first longitudinal member is in lap joint with the first cross member and the second cross member, respectively, the second longitudinal member is in lap joint with the first cross member and the second cross member, respectively, the first cross member and the second cross member are disposed opposite to each other, and the first longitudinal member and the second longitudinal member are disposed opposite to each other;

the first cross beam is in lap joint with the top cover front cross beam, the second cross beam is in lap joint with the top cover rear cross beam, the first longitudinal beam is in lap joint with the first extension part, and the second longitudinal beam is in lap joint with the second extension part.

6. The vehicle body reinforcing structure according to claim 5, wherein a plurality of first louver mounting portions are provided on the first side member, a plurality of second louver mounting portions are provided on the second side member, the plurality of first louver mounting portions are provided adjacent to the first side wall assembly, the plurality of second louver mounting portions are provided adjacent to the second side wall assembly, centers of the plurality of first louver mounting portions are located on a first straight line, and centers of the plurality of second louver mounting portions are located on a second straight line;

the center of the first bolt installation part is close to the first straight line, and the center of the second bolt installation part is close to the second straight line.

7. The vehicle body reinforcing structure according to claim 5, wherein a plurality of first mounting legs are further provided on the first side member, a plurality of second mounting legs are further provided on the second side member, the plurality of first mounting legs are provided adjacent to the first side wall assembly, the plurality of second mounting legs are provided adjacent to the second side wall assembly, the plurality of first mounting legs are used for overlapping with the first side wall outer panel, and the plurality of second mounting legs are used for overlapping with the second side wall outer panel;

the plurality of first extension plates and the plurality of first mounting legs are arranged in a staggered mode, and the plurality of second extension plates and the plurality of second mounting legs are arranged in a staggered mode.

8. The vehicle body reinforcing structure according to claim 5, wherein both ends of the roof front cross member are screwed with the first cross member, and the middle of the roof front cross member is bonded with the first cross member by structural adhesive;

the two ends of the top cover rear cross beam are in screwed connection with the second cross beam, and the middle of the top cover rear cross beam is bonded with the second cross beam through structural adhesive.

9. The vehicle body reinforcing structure according to any one of claims 2 to 8, wherein a plurality of first welding avoidance holes are formed in the first upper side sill inner panel, the plurality of first welding avoidance holes are arranged at intervals in a front-rear direction of the vehicle, and the plurality of first welding avoidance holes are used for connecting the roof outer panel, the first side wall outer panel and the first upper side sill outer panel by three-layer spot welding;

be provided with a plurality of second welding on the second roof side rail inner panel and dodge the hole, it is a plurality of the hole is dodged in the second welding interval setting in the fore-and-aft direction of vehicle, and is a plurality of the hole is dodged in the second welding is used for making the top cap planking second side wall planking and second roof side rail planking adopt three-layer spot welding to connect.

10. A vehicle, characterized by comprising: a sunroof and a vehicle body reinforcing structure according to any one of claims 1 to 9;

the sunroof is detachably mounted on the vehicle body reinforcing structure.

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