CN218536863U - Vehicle body middle part structure and car - Google Patents

Abstract

The utility model provides a vehicle body middle structure and a vehicle, the vehicle body middle structure of the utility model comprises a top cover assembly and B columns which are respectively arranged at the left side and the right side; the roof assembly is internally provided with a roof reinforcing plate, the roof reinforcing plate comprises a reinforcing plate middle part extending along the front and rear directions of the automobile and reinforcing plate side parts arranged at the rear part of the reinforcing plate middle part, and the reinforcing plate side parts are arranged on the left side and the right side of the reinforcing plate middle part; and side reinforcing arms are arranged in the side parts of the reinforcing plates on the two sides, and one end of each side reinforcing arm extends to the B column on the same side and is connected with the B column on the same side. The utility model discloses an automobile body middle part structure can play effectual supporting role when the car is turned on one's side, can protect driver and crew better, and promotes the security performance of whole car.

Description

Vehicle body middle part structure and car

Technical Field

The utility model relates to a vapour car roof technical field, in particular to automobile body middle part structure. The utility model discloses still relate to the car that is equipped with above-mentioned automobile body middle part structure.

Background

In the existing automobile model, especially in super sports cars as high-end models, butterfly doors (Butterfly doors), also called Butterfly wing doors, are a common super sports car door model. The hinge of the butterfly door is arranged on the A column or a fender close to the A column, the vehicle door is opened forwards and upwards through the hinge, and the obliquely lifted vehicle door is like a wing unfolded by a butterfly, so that the butterfly door is named as a butterfly door.

As an important component of the automobile body, the automobile roof not only has the function of appearance decoration, but also has the function of protecting passengers in the automobile when the automobile is jacked, and the structural strength of the roof assembly needs to be increased for improving the protection effect of the butterfly door automobile roof when the automobile is jacked. However, still taking the existing butterfly door automobile as an example, because the butterfly door automobile roof seam boundary varies and the butterfly door also occupies a part of the roof space, difficulty is brought to the structure reinforcement of the butterfly door automobile roof, so that when the automobile turns over, and is pressed by roof pressure, the protection force on drivers and passengers in the automobile is insufficient, and the safety performance of the whole automobile can be affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an automobile body middle part structure to can improve the security performance when the car turns on one's side.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a middle structure of a vehicle body comprises a top cover assembly and B columns which are respectively arranged on the left side and the right side;

the roof assembly is internally provided with a roof reinforcing plate, the roof reinforcing plate comprises a reinforcing plate middle part extending along the front and rear directions of the automobile and reinforcing plate side parts arranged at the rear part of the reinforcing plate middle part, and the reinforcing plate side parts are arranged on the left side and the right side of the reinforcing plate middle part;

and side reinforcing arms are arranged in the side parts of the reinforcing plates on the two sides, and one end of each side reinforcing arm extends to the B column on the same side and is connected with the B column on the same side.

Furthermore, the middle part of the reinforcing plate comprises a plurality of main reinforcing beams which are sequentially connected along the left-right direction of the automobile, each main reinforcing beam extends along the front-rear direction of the automobile, the main reinforcing beam positioned at the leftmost side and the main reinforcing beam positioned at the rightmost side are respectively connected with the side part of the reinforcing plate at the same side with the main reinforcing beam; and/or the presence of a gas in the atmosphere,

the reinforcing plate side parts on two sides comprise side reinforcing beams extending along the front and rear direction of the automobile, one sides of the side reinforcing beams are connected with the middle parts of the reinforcing plates, and the other sides of the side reinforcing beams are connected with the side reinforcing arms.

Further, the cross sections of the main reinforcing beams, the side reinforcing beams and the side reinforcing arms on the two sides are in a shape like a Chinese character 'ji', and inner cavities are formed in the main reinforcing beams, the side reinforcing beams and the side reinforcing arms on the two sides.

Furthermore, each main reinforcing beam, the side reinforcing beams on two sides and the side reinforcing arms are arranged in a protruding mode in the vertical direction of the automobile; and/or the presence of a gas in the gas,

the front end and the rear end of the inner cavity in each main reinforcing beam are closed.

Furthermore, the main reinforcing beam positioned at the leftmost side and the main reinforcing beam positioned at the rightmost side are connected with the side reinforcing beam at the same side through connecting beams, and each connecting beam is connected with the side reinforcing arm at the same side in the left-right direction of the automobile.

Furthermore, a top cover outer plate and a top cover inner plate which are buckled together up and down are also arranged in the top cover assembly, and the top cover reinforcing plate is connected between the top cover outer plate and the top cover inner plate;

the roof outer plate and the roof inner plate respectively comprise a middle part extending along the front-rear direction of the automobile and side parts connected to the rear part of the middle part and extending along the left-right direction of the automobile, and the left side and the right side of the middle part are connected with the side parts;

the reinforcing plate middle portion is connected between the roof outer panel and the middle portion of the roof inner panel, and the reinforcing plate side portion is connected between the roof outer panel and the side portion of the roof inner panel.

Further, the top cover reinforcing plate is integrally formed by adopting a carbon fiber composite material; and/or the presence of a gas in the atmosphere,

the top cover planking with the top cover inner panel all adopts carbon-fibre composite to make, the top cover reinforcing plate with between the top cover planking, and the top cover reinforcing plate with bond between the top cover inner panel and link to each other.

Furthermore, B-pillar reinforcements extending in the vertical direction of the automobile are arranged in the B-pillars at two sides, and the side reinforcing arms are connected with the B-pillar reinforcements at the same side of the side reinforcing arms.

Furthermore, the end part of one end of each side reinforcing arm extending to the B column is provided with a connecting flange, and each side reinforcing arm is connected to the top end of the B column reinforcing piece on the same side with the side reinforcing arm through the connecting flange; alternatively, the first and second liquid crystal display panels may be,

one end of each side reinforcing arm extending to the B column is positioned on one side of the B column reinforcing member on the same side, and is provided with an overlapping part which is overlapped with the B column reinforcing member on the same side in the vertical direction of the automobile, and the overlapping part is connected with the B column reinforcing member.

Compared with the prior art, the utility model discloses following advantage has:

automobile body middle part structure, the side reinforcing arm through both sides links to each other with the B post of homonymy in the top cap reinforcing plate, can make the B post connection of top cap reinforcing plate and both sides form the anti-roll frame structure that link up, can play effectual supporting role when the car turns on one's side from this, can protect driver and crew better, and can promote the security performance of whole car.

In addition, the reinforcing plate middle part comprises a plurality of main stiffening beams, is favorable to increasing the structural strength in reinforcing plate middle part, through the setting of the side stiffening beam in reinforcing plate side part and side reinforcing arm, can form the additional strengthening of "T" style of calligraphy on B post upper portion, from this rejoins the additional strengthening in reinforcing plate middle part, can increase the structural strength in vapour car roof position, also helps improving whole car torsional rigidity simultaneously.

Secondly, the transversal "style of calligraphy is personally submitted to main stiffening beam, side stiffening beam and side stiffener, can increase top cap reinforcing plate self structural strength, helps promoting the structure reinforcing effect of top cap reinforcing plate. The main reinforcing beam, the side reinforcing beam and the side reinforcing arm are arranged in a protruding mode, and therefore the top cover reinforcing plate can be conveniently formed. The front end and the rear end of the inner cavity of the main reinforcing beam are sealed, and the reinforcing effect of the main reinforcing beam can be improved by utilizing the characteristic of high structural strength of the sealed cavity.

And through setting up the tie-beam, and make tie-beam and side reinforcing arm link up the setting in the left and right directions of car, can improve the collision biography power performance of top cap reinforcing plate on the left and right directions of car. The connecting beam is communicated with the inner cavities of the main reinforcing beam and the side reinforcing beam, the side reinforcing arms are communicated with the inner cavities of the side reinforcing beams, a coherent cavity can be formed in the top cover reinforcing plate, and the structural strength of the top cover reinforcing plate is improved.

In addition, the top cover reinforcing plate, the top cover outer plate and the top cover inner plate are made of carbon fiber composite materials, the structural strength of the top cover can be effectively enhanced through the high structural strength of the carbon fiber composite materials, the carbon fiber composite materials can be integrally molded into a finished piece, the carbon fiber composite materials are light in weight, the number of parts of the top cover can be reduced, and the top cover is lightened. The top cover reinforcing plate is integrally formed, so that the preparation of the top cover reinforcing plate is facilitated, the integral strength of the top cover reinforcing plate is also improved, the top cover reinforcing plate is bonded with the top cover outer plate and the top cover inner plate, the connection mode is simple, and the processing and the manufacturing of a top cover assembly are facilitated.

The structural strength of the B column can be improved by the arrangement of the B column reinforcing piece. The side reinforcing arm is connected with the top end of the B column reinforcing part through the connecting flanging, or the side reinforcing arm is partially overlapped with the B column reinforcing part and is connected with the B column reinforcing part, the whole strength of the anti-rolling frame structure formed by the top cover reinforcing plate and the B columns on the two sides can be improved by the aid of the B column reinforcing part, and the safety performance of the whole vehicle can be further improved.

Another object of the utility model is to provide a car, be equipped with as above in the automobile body of car automobile body middle part structure.

The car through setting up above-mentioned automobile body middle part structure, can play effectual supporting role when the car turns on one's side, can protect driver and crew better, promote the security performance of whole car, and have fine practicality.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of an arrangement of a car roof in a car body according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a car roof according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a roof reinforcing plate and a roof inner plate according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a top cover inner plate according to an embodiment of the present invention;

FIG. 5 is a schematic view of a main reinforcement beam according to an embodiment of the present invention with its front end closed;

FIG. 6 is a schematic view of a main reinforcement beam according to an embodiment of the present invention with its rear end closed;

fig. 7 is a schematic structural view of a roof reinforcing plate according to an embodiment of the present invention;

FIG. 8 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 7;

FIG. 9 is a cross-sectional view taken at B-B of FIG. 7;

fig. 10 is a schematic view illustrating the communication between the inner cavities of the top cover reinforcing plate according to the embodiment of the present invention;

fig. 11 is a schematic structural view of a B-pillar reinforcement according to an embodiment of the present invention;

description of reference numerals:

1. a top cover assembly; 2. a B column; 3. a threshold beam;

11. a top cover outer plate; 12. a top cover inner plate; 13. a top cover reinforcing plate;

121. a groove; 122. front flanging; 123. carrying out back flanging;

131. the middle part of the reinforcing plate; 1311. a main reinforcing beam; 132. a stiffener side; 1321. a side reinforcing beam; 1322. a side reinforcing arm; 1323. connecting the flanging; 133. a connecting beam;

201. a B-pillar reinforcement;

a. a middle portion; b. a side portion.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection may be fixed, detachable, or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The present embodiment relates to a vehicle body center structure, which includes a roof assembly 1 and B pillars 2 respectively provided on the left and right sides, as shown in fig. 1 to 3, in terms of overall design. Wherein, be provided with roof reinforcing plate 13 in the roof assembly 1, roof reinforcing plate 13 also includes the reinforcing plate middle part 131 that extends along the car fore-and-aft direction to and set up reinforcing plate lateral part 132 at reinforcing plate middle part 131 rear portion, and all be provided with reinforcing plate lateral part 132 in the left and right sides of reinforcing plate middle part 131.

Further, side reinforcing arms 1322 are provided in both of the reinforcing plate side portions 132, and one end of each side reinforcing arm 1322 extends to the B-pillar 2 on the same side and is connected to the B-pillar 2 on the same side. Therefore, in the embodiment, the side reinforcing arms 1322 on the two sides of the roof reinforcing plate 13 are connected with the B-pillars 2 on the same side, so that the roof reinforcing plate 13 and the B-pillars 2 on the two sides are connected to form a through anti-rolling frame structure, and an effective supporting effect can be achieved when the automobile turns over, thereby better protecting drivers and passengers in the automobile.

Specifically, as a preferred embodiment, the vehicle body center structure of the present embodiment is applied to a butterfly door vehicle, as shown in fig. 1 to 3, and the left and right sides of the roof assembly 1 are connected to the B-pillars 2 on the corresponding sides, and the bottom of each B-pillar 2 on the corresponding side is connected to the rocker beam 3 on the corresponding side. In addition, also as a preferred embodiment, the roof assembly 10 of the present embodiment includes a roof outer panel 11 and a roof inner panel 12 that are fastened together in the upper and lower directions, and a roof reinforcement panel 13 is connected between the roof outer panel 1 and the roof inner panel 2 to constitute the roof assembly 1 by the roof outer panel 11, the roof inner panel 12, and the roof reinforcement panel 13 together.

In this case, it should be noted that the vehicle of the present embodiment may be of other types than a butterfly door vehicle, as a matter of course, the vehicle may be provided with the vehicle body center structure described herein. Further, according to the present embodiment, the vehicle type is a butterfly door vehicle, and in terms of specific configuration, each of the roof outer panel 11 and the roof inner panel 12 includes a middle portion a extending in the front-rear direction of the vehicle, and side portions b extending in the left-right direction of the vehicle and connected to the rear portion of the middle portion a, and the side portions b are connected to both left and right sides of the middle portion a.

Therefore, the top cover outer plate 1 and the top cover inner plate 2 of the present embodiment are similar to a "T" shape, and certainly, in the overall structural modeling, the top cover reinforcing plate 13 is also approximately in a "T" shape so as to be matched with the modeling of the top cover outer plate 11 and the top cover inner plate 12, thereby realizing the required top cover modeling of the butterfly door automobile.

In order to improve the structural strength of the side portions b at both sides, in this embodiment, as shown in fig. 4, grooves 121 are respectively formed at both sides of the top cover inner plate 12, so that the cross sections at both sides of the top cover inner plate 12 are U-shaped, and an inner cavity is formed, thereby improving the structural strength at both sides of the top cover inner plate 12, and further achieving the effect of improving the structural strength at the side portions b in the top cover assembly 1.

In the present embodiment, in terms of specific structure, as shown in fig. 7, the roof reinforcement panel 13 of the present embodiment includes a reinforcement panel middle portion 131 extending in the front-rear direction of the vehicle, and reinforcement panel side portions 132 connected to the rear portion of the reinforcement panel middle portion 131, and the reinforcement panel side portions 132 are connected to both the left and right sides of the reinforcement panel middle portion 131. The middle portion 131 of the roof reinforcement 13 is connected between the middle portions a of the roof outer panel 11 and the roof inner panel 12, and the middle portion 131 is connected to the middle portions a of the roof outer panel 1 and the roof inner panel 2, respectively. The reinforcing-plate side 132 is connected between the side portions b of the roof outer panel 11 and the roof inner panel 12, and the reinforcing-plate side 132 is located in the groove 121, and the reinforcing-plate side 132 is connected to the side portions b of the roof outer panel 1 and the roof inner panel 2, respectively.

It is to be noted here that, with reference to the orientation shown in fig. 1 and 2, the gusset side 132 on the left side is located between the roof outer panel 1 and the side portion b on the left side of the roof inner panel 2, and correspondingly, the gusset side 132 on the right side is located between the roof outer panel 1 and the side portion b on the right side of the roof inner panel 2.

In addition, as a preferred embodiment, the reinforcement side portion 132 may specifically include a side reinforcement beam 1321 extending in the vehicle front-rear direction, one side of the side reinforcement beam 1321 is connected to the reinforcement middle portion 131, and the other side of the side reinforcement beam 1321 is connected to the side reinforcement arm 1322. At this time, by providing the side reinforcing beam 1321 and the side reinforcing arm 1322 in the reinforcing-plate side portion 132, as shown in fig. 1 in combination with fig. 3, 5, and 6, it is possible to form a reinforcing structure similar to a "T" shape at the upper portion of the B-pillar 2. Therefore, in addition to the T-shaped reinforcing structure formed by the side reinforcing beam 1321 and the side reinforcing arm 1322, the structural strength of the roof assembly 1 can be increased by combining the reinforcing function of the reinforcing plate middle portion 131, and the improvement of the torsional rigidity of the entire vehicle is facilitated.

It should be noted that, in the specific implementation, the middle portion 131 of the reinforcing plate of the present embodiment may be designed with various suitable structural configurations as required. Also as a preferred embodiment, the gusset middle 131 of the present embodiment specifically includes a plurality of main reinforcing beams 1311 connected in series in the vehicle left-right direction, each of the main reinforcing beams 1311 extending in the vehicle front-rear direction, and the main reinforcing beam 1311 located at the leftmost side and the main reinforcing beam 1311 located at the rightmost side are connected to the side reinforcing beam 1321 located at the same side.

Thus, the reinforcing plate middle portion 131 is made up of a plurality of main reinforcing beams 1311, which is advantageous in increasing the structural strength of the reinforcing plate middle portion 131. While the reinforcing plate middle 131 is formed of a plurality of main reinforcing beams 1311, as a preferred embodiment, as shown in fig. 7 in conjunction with fig. 8 and 9, each of the main reinforcing beams 1311, and the side reinforcing beams 1321 and the side reinforcing arms 1322 on both sides have a cross section in a "zigzag" shape, and thus an inner cavity is formed in each of the main reinforcing beams 1311, and the side reinforcing beams 1321 and the side reinforcing arms 1322 on both sides.

The cross sections of the main reinforcing beam 1311, the side reinforcing beam 1321 and the side reinforcing arms 1322 are in the shape of a Chinese character ji, and the structural strength of the top cover reinforcing plate 13 is increased by using the characteristic of high structural strength of the Chinese character ji, so that the structural reinforcing effect of the top cover reinforcing plate 13 is improved. In addition, in a specific implementation, the two main reinforcing beams 1311 constituting the middle part 131 of the reinforcing plate may be, for example, two as shown in fig. 7 and 8, so that the cross section of the middle part 131 of the reinforcing plate has a double "zigzag" structure, and the two main reinforcing beams 1311 are connected to the side reinforcing beams 1321 on the left and right sides in a one-to-one correspondence.

As a preferred embodiment, each of the main reinforcing beam 1311, and the side reinforcing beams 1321 and the side reinforcing arms 1322 on both sides of the present embodiment are also provided to be convex in the vehicle vertical direction, that is, each of the main reinforcing beam 1311, and the side reinforcing beams 1321 and the side reinforcing arms 1322 on both sides are convex toward the roof outer panel 11 side. By making the main reinforcement beam 1311, the side reinforcement beam 1321, and the side reinforcement arms 1322 all be provided in a convex manner, the molding preparation of the roof reinforcement panel 13 can be facilitated.

In this embodiment, in order to enhance the reinforcing effect of the main reinforcing beams 1311, it is also preferable in design that the front end and the rear end of the cavity in each main reinforcing beam 1311 are closed. Therefore, the front end and the rear end of the inner cavity in the main reinforcing beam 1311 are sealed, so that the characteristic of high structural strength of the sealed cavity can be utilized, and the reinforcing effect of the main reinforcing beam 1311 is improved.

In specific implementation, as one of the closing manners, as shown in fig. 4 to 6, for example, the front flange 122 and the rear flange 123 may be respectively disposed at the front end and the rear end of the top cover inner panel 12 in this embodiment. The front flange 122 at the front end position and the rear flange 123 at the rear end position are both turned upwards, and the front flange 122 seals the front end of each main reinforcing beam 1311 and the rear flange 123 seals the rear end of each main reinforcing beam 1311 after the top cover reinforcing plate 13 is connected with the top cover inner plate 12 in combination with the position Q in fig. 5 and the position H in fig. 6, so as to seal the two ends of the inner cavity of each main reinforcing beam 1311.

Of course, the two ends of the main reinforcing beam 1311 can be sealed by other conventional structures besides the front flange 122 and the rear flange 123 provided on the top cover inner panel 12 to seal the two ends of the main reinforcing beam 1311. For example, since the front end of the roof module 1 is generally connected to the front windshield cross member and the rear end of the roof module 1 is connected to the rear cowl cross member, the front end of each main reinforcing beam 1311 can be closed by the front windshield cross member and the rear end of each main reinforcing beam 1311 can be closed by the rear cowl cross member when the roof module 1 is installed in the vehicle body.

In this embodiment, it should be noted that, for the reinforcing plate side portions 132 disposed at the left and right sides of the reinforcing plate middle portion 131, in practical implementation, the reinforcing plate side portions 132 at the two sides may be directly connected to the reinforcing plate middle portion 131, or the reinforcing plate side portions 132 at the two sides may be disposed at intervals with the reinforcing plate middle portion 131. In detail, as for the above-mentioned reinforcing plate side portion 132, it is directly connected to the reinforcing plate middle portion 131, that is, the side reinforcing beam 1321 directly abuts on the side of the main reinforcing beam 1311 and is fixedly connected to the main reinforcing beam 1311. As a preferable embodiment, the reinforcing plate side portion 132 and the reinforcing plate middle portion 131 are spaced from each other, as shown in fig. 7, the leftmost main reinforcing beam 1311 and the rightmost main reinforcing beam 1311 are connected to the side reinforcing beam 1321 on the same side through the connecting beam 133, and the connecting beam 133 is preferably used, and the embodiment is also preferably configured such that each connecting beam 133 is connected to the side reinforcing arm 1322 on the same side in the left-right direction of the vehicle.

At this time, it should be noted that the connecting beam 133 and the side reinforcing arms 1322 on both sides are disposed to be connected in the left-right direction of the vehicle, that is, the projections of the connecting beam 133 and the side reinforcing arms 1322 on both sides in the left-right direction of the vehicle at least partially overlap. Furthermore, in an implementation, the connecting beam 133 and the side reinforcing arms 1322 on both sides may be preferably arranged to be aligned with each other in the left-right direction of the vehicle, so as to achieve better application effect.

This embodiment is through setting up tie-beam 133 to make tie-beam 133 and side reinforcing arm 1322 link up the setting in the left and right direction of car, when the car takes place the side impact, can make the biography power passageway between the reinforcing plate lateral part 132 of both sides more consecutive, can improve the collision biography power performance of roof reinforcing plate 13 on the car left and right sides direction.

In a specific implementation, the cross section of the connecting beam 133 may be designed to be a "n" shape, and the main reinforcing beam 1311 and the side reinforcing beam 1321 at both sides may be communicated with each other. While the cavities of the main reinforcement beam 1311 and the side reinforcement beam 1321 are communicated with each other via the connecting beam 133, the side reinforcement arms 1322 on both sides may be provided so as to be communicated with the cavity of the side reinforcement beam 1321 on the same side. Thus, as shown in fig. 10, in the present embodiment, the connecting beam 133 connects the inner cavities of the main reinforcing beam 1311 and the side reinforcing beam 1321, and connects the side reinforcing arm 1322 and the inner cavity of the side reinforcing beam 1321, so that a continuous cavity can be formed in the roof reinforcing panel 13, which is favorable for improving the structural strength of the roof reinforcing panel 13.

In addition to the cross section of the connecting beam 133 being "u" shape, it is understood that in specific implementation, the cross section of the connecting beam 133 may be configured in other structural forms, as long as the reliable connection between the reinforcing plate side portion 132 and the reinforcing plate middle portion 131 can be achieved, the effective force transmission between the reinforcing plate side portions 132 on both sides can be achieved, and the preparation of the roof reinforcing plate 13 is facilitated.

In the present embodiment, the top cover reinforcing plate 13 may be made of a carbon fiber composite material as a preferred embodiment. At this moment, the top cover reinforcing plate 13 is made of carbon fiber composite materials, the structural strength of the top cover assembly 1 can be effectively enhanced through the high structural strength of the carbon fiber composite materials, the carbon fiber composite materials can be integrally molded, the parts of the top cover assembly 1 can be reduced, and the weight of the automobile top cover can be reduced.

In addition, in the specific manufacturing, the roof reinforcing plate 13 of the present embodiment is preferably integrally formed. In this way, the roof reinforcement plate 13 is integrally formed, which facilitates the production thereof and also contributes to the improvement of the overall strength of the roof reinforcement plate 13.

In the same way, as for the top cover outer plate 11 and the top cover inner plate 12, as a preferred embodiment, the top cover outer plate 11 and the top cover inner plate 12 may be made of carbon fiber composite material. Like this for top cap planking 11 and top cap inner panel 12 adopt carbon-fibre composite to make, also are favorable to improving structural strength between them self, in order to realize the effective enhancement to 1 structural strength of top cap assembly, it also can utilize carbon-fibre composite structure can integrated into one piece simultaneously certainly, and carbon-fibre composite light in weight's characteristics, reduces top cap assembly 1's part quantity, and is favorable to losing of top cap.

In addition, the roof reinforcing plate 13 and the roof outer panel 11, and the roof reinforcing plate 13 and the roof inner panel 12 of the present embodiment are also bonded. It can be understood that the roof reinforcing plate 13 is adhesively connected with the roof outer plate 11 and the roof inner plate 12, and the connection mode is simple, so that the roof assembly 1 can be conveniently processed and manufactured. During bonding, structural adhesive can be coated on the joint surface of the roof reinforcing plate 3, which is jointed with the roof outer panel 1 and the roof inner panel 2, by utilizing the inverted-V-shaped cross section of the reinforcing plate middle part 131 and the reinforcing plate side part 132.

In addition to the adhesive bonding, it should be noted that other bonding methods that can meet the bonding requirements may be adopted, and particularly, an appropriate bonding structure may be selected based on the specific materials of the roof outer panel 1 and the roof inner panel 2.

In this embodiment, the side reinforcement arms 1322 of the roof reinforcement plate 13 may be connected to, for example, a B-pillar inner plate or a B-pillar outer plate of the B-pillar 2 to achieve the connection between the roof reinforcement plate 13 and the B-pillar 2. However, as a preferred embodiment, as shown in fig. 1 in combination with fig. 11, this embodiment also has B-pillar reinforcements 201 extending in the vehicle vertical direction provided in both side B-pillars 2, and each side reinforcement arm 1322 is connected to the B-pillar reinforcement 201 on the same side as that, and the bottom end of the B-pillar reinforcement 201 is connected to the rocker beam 3. Further, the above-described B-pillar reinforcement 201 may be of a suitable conventional reinforcement structure, and preferably, as shown in fig. 11, it may be a reinforcement integrally formed of a carbon fiber composite material or an aluminum alloy.

In addition, in the connection between the side reinforcing arms 1322 and the B-pillar reinforcement 201, as also shown in fig. 7, in this embodiment, for example, a connection flange 1323 may be provided at an end portion of one end of each side reinforcing arm 1322 extending toward the B-pillar 2, and each side reinforcing arm 1322 may be connected to the tip end of the B-pillar reinforcement 201 on the same side thereof by the connection flange 1323. During specific connection, the connecting flange 1323 can be fixedly connected with the top end of the B-pillar reinforcement 201 in a combined mode of bonding and screwing.

As another possible connection means other than the above connection means, the present embodiment may be such that one end of each side reinforcement arm 1322 extending toward the B-pillar 2 is located on the same side as the B-pillar reinforcement 201 on the same side, and has an overlapping portion overlapping with the B-pillar reinforcement 201 on the same side in the vehicle vertical direction. The length of the overlap between the overlapping portion and the B-pillar reinforcement 201 in the vehicle height direction may be about 40mm, or may be selected according to the design situation of a specific vehicle type, and the overlapping portion on the side reinforcement arm 1322 may be connected to the B-pillar reinforcement 201 by a combination of bonding and screwing.

The automobile body middle structure of this embodiment, the side reinforcing arm 1322 through both sides links to each other with the B post 2 of homonymy in the top cap reinforcing plate 13, can make the B post 2 of top cap reinforcing plate 13 and both sides connect the roll cage structure that forms and link up, can play effectual supporting role when the car turns on one's side from this, can protect driver and crew better, promotes the security performance of whole car, and has fine practicality.

Example two

The present embodiment relates to an automobile, in which a vehicle body is provided with the vehicle body center structure according to the first embodiment. The automobile of this embodiment can play effectual supporting role when the car is turned on one's side through setting up the automobile body middle part structure among the embodiment one, can protect driver and crew better, promotes the security performance of whole car, and has fine practicality.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A vehicle body middle structure is characterized in that:

comprises a top cover assembly (1) and B columns (2) respectively arranged at the left side and the right side;

a roof reinforcing plate (13) is arranged in the roof assembly (1), the roof reinforcing plate (13) comprises a reinforcing plate middle part (131) extending along the front-rear direction of the automobile and reinforcing plate side parts (132) arranged at the rear part of the reinforcing plate middle part (131), and the reinforcing plate side parts (132) are arranged on the left side and the right side of the reinforcing plate middle part (131);

side reinforcing arms (1322) are arranged in the reinforcing plate side parts (132) on the two sides, and one end of each side reinforcing arm (1322) extends towards the B column (2) on the same side and is connected with the B column (2) on the same side.

2. The vehicle body middle structure according to claim 1, characterized in that:

the reinforcing plate middle part (131) comprises a plurality of main reinforcing beams (1311) which are sequentially connected along the left-right direction of the automobile, each main reinforcing beam (1311) extends along the front-rear direction of the automobile, the main reinforcing beam (1311) positioned at the leftmost side is connected with the main reinforcing beam (1311) positioned at the rightmost side, and the main reinforcing beam (1311) positioned at the rightmost side is connected with the reinforcing plate side part (132) positioned at the same side; and/or the presence of a gas in the gas,

the side reinforcement plate portions (132) on both sides each include a side reinforcement beam (1321) extending in the vehicle front-rear direction, one side of the side reinforcement beam (1321) is connected to the reinforcement plate middle portion (131), and the other side of the side reinforcement beam (1321) is connected to the side reinforcement arm (1322).

3. The vehicle body middle structure according to claim 2, characterized in that:

each of the main reinforcing beams (1311), and the side reinforcing beams (1321) and the side reinforcing arms (1322) on both sides have a cross section in a shape of a letter 'V', and an inner cavity is formed in each of the main reinforcing beams (1311), and the side reinforcing beams (1321) and the side reinforcing arms (1322) on both sides.

4. The vehicle body middle structure according to claim 3, characterized in that:

each main reinforcing beam (1311), and the side reinforcing beams (1321) and the side reinforcing arms (1322) on both sides are arranged to be convex in the vehicle vertical direction; and/or the presence of a gas in the atmosphere,

the front end and the rear end of the inner cavity in each main reinforcing beam (1311) are closed.

5. The vehicle body middle structure according to claim 3, characterized in that:

the main reinforcing beam (1311) positioned at the leftmost side, and the main reinforcing beam (1311) positioned at the rightmost side are connected with the side reinforcing beam (1321) at the same side through a connecting beam (133);

each connecting beam (133) is connected with the side reinforcing arm (1322) on the same side in the left and right direction of the automobile.

6. The vehicle body middle structure according to claim 1, characterized in that:

the roof assembly (1) is also internally provided with a roof outer plate (11) and a roof inner plate (12) which are buckled together up and down, and the roof reinforcing plate (13) is connected between the roof outer plate (11) and the roof inner plate (12);

the roof outer panel (11) and the roof inner panel (12) each include a middle portion (a) extending in the front-rear direction of the vehicle, and side portions (b) connected to the rear of the middle portion (a) and extending in the left-right direction of the vehicle, and the side portions (b) are connected to both the left and right sides of the middle portion (a);

the gusset middle portion (131) is connected between the roof outer panel (11) and the middle portion (a) of the roof inner panel (12), and the gusset side portion (132) is connected between the roof outer panel (11) and the side portion (b) of the roof inner panel (12).

7. The vehicle body middle structure according to claim 6, characterized in that:

the top cover reinforcing plate (13) is integrally formed by adopting a carbon fiber composite material; and/or the presence of a gas in the gas,

the top cover outer plate (11) and the top cover inner plate (12) are made of carbon fiber composite materials, and the top cover reinforcing plate (13) is connected with the top cover outer plate (11) and the top cover reinforcing plate (13) is connected with the top cover inner plate (12) in a bonding mode.

8. The vehicle body middle portion structure according to any one of claims 1 to 7, characterized in that:

b-pillar reinforcements (201) extending along the vertical direction of the automobile are arranged in the B-pillars (2) on the two sides, and each side reinforcing arm (1322) is connected with the B-pillar reinforcement (201) on the same side.

9. The vehicle body middle structure according to claim 8, characterized in that:

the end part of one end of each side reinforcing arm (1322) extending towards the B column (2) is provided with a connecting flange (1323), and each side reinforcing arm (1322) is connected to the top end of the B column reinforcing piece (201) on the same side with the side reinforcing arm through the connecting flange (1323); alternatively, the first and second electrodes may be,

one end of each side reinforcing arm (1322) extending to the B-pillar (2) is positioned on the same side as the B-pillar reinforcement (201), and has an overlapping portion that overlaps with the B-pillar reinforcement (201) on the same side in the vehicle vertical direction, and the overlapping portion is connected to the B-pillar reinforcement (201).

10. An automobile, characterized in that:

the vehicle body of the automobile is provided with the vehicle body center structure of any one of claims 1 to 9.

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