CN219339565U - Automobile body and automobile - Google Patents

Abstract

The utility model provides a car body of an automobile and the automobile.A rear wheel cover front reinforcing plate is connected to one side, facing the head, of a rear wheel cover on the left side and the right side of the car body, and a side wall outer plate reinforcing plate front section is connected to one side, facing the inside of the car, of a side wall outer plate on the left side and the right side of the car body; the front sections of the side wall outer plate reinforcing plates extend along the front-rear direction of the whole vehicle, the front ends of the side wall outer plate reinforcing plates are connected with B columns on the same side, and the rear ends of the side wall outer plate reinforcing plates are connected with the top ends of the front reinforcing plates of the rear wheel covers on the same side; the bottom of reinforcing plate before each side rear wheel cover links to each other with the B post through the afterbody of same side door threshold roof beam, and triangle-shaped structure is constituteed to the afterbody of B post, side wall planking reinforcing plate anterior segment, rear wheel cover front reinforcing plate and threshold roof beam of both sides. The automobile body can increase the structural strength from the rear part of the B column to the front part of the rear wheel cover, is beneficial to increasing the coping capability of side collision of the automobile, and can improve the collision safety of the whole automobile.

Description

Automobile body and automobile

Technical Field

The utility model relates to the technical field of automobile body structures, in particular to an automobile body of an automobile. The utility model also relates to an automobile with the automobile body.

Background

As a vehicle type with an openable roof, a convertible car is becoming popular with young consumers due to its cool and dazzling feel and technological feel. Although the convertible car has incomparable advantages with a common car, the roof of the convertible car is not fixed, and particularly when the roof is opened, compared with the common car, the convertible car lacks a top cover part, so that the parts of the ring B and the ring C in the car body are incomplete. The automobile side part has weaker structural strength, is unfavorable for the improvement of the collision coping capacity of the whole automobile, reduces a force transmission channel during side collision of the automobile, easily causes larger impact to a passenger cabin, and causes injury to drivers and passengers so as to influence the collision safety of the whole automobile.

Disclosure of Invention

In view of the above, the present utility model aims to provide a vehicle body of an automobile, so as to increase the structural strength of the side portion of the vehicle body and improve the collision safety of the whole automobile.

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

the automobile body of the automobile is characterized in that the front reinforcing plates of the rear wheel covers are connected to the sides, facing the automobile head, of the rear wheel covers on the left side and the right side of the automobile body, and the front sections of the reinforcing plates of the side wall outer plates are connected to the sides, facing the inside of the automobile, of the side wall outer plates on the left side and the right side of the automobile body;

the front sections of the side wall outer plate reinforcing plates at all sides extend along the front-rear direction of the whole vehicle and are positioned above the rear wheel covers at the same side, the front ends of the front sections of the side wall outer plate reinforcing plates at all sides are connected with B columns at the same side, and the rear ends of the front sections of the side wall outer plate reinforcing plates at all sides are connected with the top ends of the front reinforcing plates of the rear wheel covers at the same side;

the bottom of reinforcing plate all links to each other with the B post through the afterbody of same side door threshold roof beam before the rear wheel cover in each side the B post of both sides the side wall planking reinforcing plate anterior segment the reinforcing plate with the rear wheel cover front reinforcing plate with the afterbody of threshold roof beam constitutes triangle-shaped structure.

Further, a side wall window receiving space is formed between the B pillar on both sides and the rear wheel cover front reinforcement plate, and an opening is formed between the side wall outer panel reinforcement plate front section and the side wall inner panel on both sides.

Further, one side of the side wall outer plate facing the vehicle is also connected with a rear section of the side wall outer plate reinforcing plate, each side of the side wall outer plate reinforcing plate rear section extends along the front-rear direction of the whole vehicle, and the side wall outer plate reinforcing plate is positioned above the rear wheel cover on the same side, the front section of the side wall outer plate reinforcing plate on each side is connected with the side wall outer plate on the same side, and the rear section of the side wall outer plate reinforcing plate on each side is connected with the side wall inner plate on the same side.

Further, the rear end of the front section of the side wall outer plate reinforcing plate on each side is connected with the front end of the rear section of the side wall outer plate reinforcing plate on the same side, and the rear end of the rear section of the side wall outer plate reinforcing plate on each side is connected with the supporting beam on the same side in the left-right direction of the whole vehicle;

the support beams on the same side are positioned on one side of the side wall inner plate facing the vehicle, the bottom ends of the support beams on the same side are connected to the rear wheel cover, and the top ends of the support beams on the same side are supported below the trunk installation cross beam.

Further, the vehicle body is provided with a backrest ring with the bottom connected to the rear floor and side wall inner plate reinforcing plates arranged on the left side and the right side of the backrest ring, and the side wall inner plate reinforcing plates on each side are positioned on one side of the same side wall inner plate facing the vehicle;

the front end of each side wall inner plate reinforcing plate is connected with a B column lap joint at the same side, the top of each side wall inner plate reinforcing plate is connected with the side wall inner plate lap joint at the same side, the rear end of each side wall inner plate reinforcing plate is connected between the backrest ring and a rear wheel cover at the same side, and a cavity is formed between the side wall inner plate reinforcing plate and the side wall inner plate in a surrounding mode.

Further, the backrest ring comprises support longitudinal beams arranged on the left side and the right side, and an upper cross beam and a lower cross beam which are oppositely arranged;

the bottoms of the supporting longitudinal beams on each side are connected with the rear floor and are lapped on the rear floor longitudinal beams on the same side, and the side parts of the supporting longitudinal beams on each side are connected with the rear wheel cover through the side wall inner plate reinforcing plates on the same side;

the lower cross beam is connected between the bottoms of the supporting longitudinal beams at two sides and is connected with the rear floor, and the two ends of the upper cross beam are connected with the top ends of the supporting longitudinal beams at two sides.

Further, a rear floor front beam connected with the front end of the rear floor is arranged in the vehicle body, the rear floor front beam is connected between the tail parts of the threshold beams at two sides, and a front beam reinforcement beam is connected to the top of the rear floor front beam;

the left end and the right end of the front cross beam reinforcing beam are respectively connected with the B columns at each side through first connecting plates.

Further, B column reinforcing pieces are arranged in the B columns at each side, and the B column reinforcing pieces at each side and the first connecting plates at the same side are connected and arranged in the left-right direction of the whole vehicle; and/or the number of the groups of groups,

one side, facing the tail of the vehicle, of the first connecting plate on both sides is connected with the rear floor longitudinal beam on the same side.

Further, a reinforcing plate extending along the front-rear direction of the whole vehicle is arranged on one side of the threshold beam facing the vehicle on both sides, the reinforcing plate on each side is positioned above the front floor panel, and a cavity is formed between the threshold beam, the reinforcing plate and the front floor panel in an enclosing manner on each side;

and a second connecting plate is connected between the threshold beam and the rear floor front cross beam and between the threshold beam and the front floor panel, the rear ends of the reinforcing plates are connected with the second connecting plates on the same side in a lap joint manner, and the first connecting plates on the sides facing the vehicle head are connected with the second connecting plates on the same side in a lap joint manner.

Compared with the prior art, the utility model has the following advantages:

according to the automobile body of the automobile, the front sections of the side wall outer plate reinforcing plates and the front reinforcing plates of the rear wheel cover are arranged, and the B column, the front sections of the side wall outer plate reinforcing plates, the front reinforcing plates of the rear wheel cover and the tail parts of the threshold beams form a triangular structure, so that the structural strength from the rear part of the B column to the front area of the rear wheel cover can be increased by utilizing the characteristic that the strength of the triangular structure formed by the reinforcing plates is high, the coping capacity of the automobile side collision can be increased, and the safety of the whole automobile collision can be improved.

In addition, form the side wall window and accomodate the space between B post and the preceding reinforcing plate of rear wheel casing, usable B post rear portion to the regional structural strength's in rear wheel casing front portion increase realizes accomodating side wall window reliable and stable. The arrangement of the rear section of the side wall outer plate reinforcing plate can further increase the structural strength of the side part of the automobile body. The side wall planking reinforcing plate anterior segment links to each other with side wall planking reinforcing plate rear segment to and make side wall planking reinforcing plate anterior segment and B post connect, side wall planking reinforcing plate rear segment links up the setting with a supporting beam, can increase the transmission passageway between suitcase installation crossbeam and B post, helps the transmission dispersion of collision force at the automobile body rear portion, can promote whole car collision security.

And secondly, the arrangement of the backrest ring can increase the overall torsional rigidity of the rear part of the vehicle body, thereby being beneficial to the improvement of the stability of the whole vehicle. The arrangement of the side wall inner plate reinforcing plate, in particular the side wall inner plate reinforcing plate is connected with the B column and the backrest ring, and a cavity is formed between the side wall inner plate reinforcing plate and the side wall inner plate, so that the structural strength of the side part of the vehicle body can be increased, a force transmission channel can be increased between the backrest ring and the B column, the transmission of collision force between the backrest ring and the B column is facilitated, the collision of the vehicle, particularly the response capability of the side collision can be improved, and the collision safety of the whole vehicle is improved.

The backrest ring is composed of supporting longitudinal beams on two sides, and an upper cross beam and a lower cross beam which are oppositely arranged, has a simple structure, and is convenient for the design and preparation of the backrest ring and the arrangement in the whole vehicle. Simultaneously, support longeron is connected with the back floor to overlap joint with back floor longeron links to each other, and makes the support longeron pass through side wall inner panel reinforcing plate and rear wheel cover and be connected, can guarantee the joint strength between back ring and the automobile body lateral part structure, increases the stability that back ring set up. The lower cross beam is connected with the rear floor, so that the reliability of connection between the backrest ring and the rear floor can be further improved, and the two ends of the upper cross beam are connected with the top ends of the supporting longitudinal beams, so that connection between the backrest ring and the rear floor can be facilitated.

In addition, the setting of front beam stiffening beam and first connecting plate can adapt to the condition that open top car upper portion automobile body lacks, the side bumps the power transmission passageway and reduces, can increase the side between the B post of both sides and bump the power transmission passageway to increase the collision force transmission ability in automobile body middle part, promote collision force transmission dispersion effect. The arrangement of the B-pillar reinforcement can improve the connection rigidity with the first connecting plate. The first connecting plate is connected with the rear floor longitudinal beam, so that the continuity of the transmission of collision force among the rear floor longitudinal beam, the front beam reinforcing beam and the B column can be improved, and the transmission and dispersion effects of the collision force can be improved.

The arrangement of the reinforcing plate on the inner side of the threshold beam, and the surrounding formation of the threshold beam, the reinforcing plate and the front floor panel form a cavity, the characteristics of the reinforcing plate, especially the formed cavity, that can be utilized are large in structural strength can be utilized, the structural strength of the position of the threshold beam can be increased, the overall structural strength of the middle part of the vehicle body can be improved, and the improvement of the whole vehicle collision coping capacity can be facilitated. The setting of the second connecting plate between threshold roof beam, back floor front beam and the front panel to and make stiffening plate, first connecting plate link to each other with the second connecting plate respectively, multiplicable threshold roof beam, back floor front beam, front panel and the joint strength between stiffening plate and the first connecting plate improve the torsional rigidity of B post root position, and can do benefit to the transmission dispersion of collision force in this position, promote collision security.

Another object of the utility model is to propose a vehicle with a body of the vehicle as described above.

The automobile provided by the utility model has the advantages that the structural strength from the rear part of the B column to the front part of the rear wheel cover can be increased, the coping capacity for side collision of the automobile can be increased, the collision safety of the whole automobile can be improved, and the automobile has good practicability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a body part structure of an automobile according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of the structure shown in FIG. 1 with the side fascia outer panel removed;

FIG. 3 is a schematic view showing the arrangement of a side body inner panel in a vehicle body according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing the engagement of the front section of the B-pillar, the side fascia reinforcement, the front reinforcement of the rear wheel housing and the tail portion of the rocker beam in accordance with an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a portion of the structure of FIG. 4;

FIG. 6 is a schematic view of an opening between a side body inner panel and a front section of a side body outer panel reinforcement panel according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a back rest ring and side gusset inner panels according to an embodiment of the present utility model;

FIG. 8 is a schematic view of the structure of FIG. 7 from another perspective;

FIG. 9 is a schematic view of a backrest ring according to an embodiment of the utility model;

fig. 10 is a schematic view illustrating the arrangement of a front cross beam reinforcement beam, a reinforcement plate, a first connection plate, and a second connection plate in a vehicle body according to an embodiment of the present utility model;

FIG. 11 is a schematic view of a front cross beam reinforcement beam and a first connection plate according to an embodiment of the present utility model;

FIG. 12 is a schematic view of the placement of a B-pillar reinforcement in a B-pillar according to an embodiment of the present utility model;

FIG. 13 is a schematic view of a B-pillar stiffener according to an embodiment of the present disclosure;

FIG. 14 is a cross-sectional view taken at position A-A of FIG. 10;

FIG. 15 is an enlarged view of portion B of FIG. 10;

fig. 16 is a schematic structural view of a second connecting plate according to an embodiment of the present utility model;

reference numerals illustrate:

1. a side wall outer plate; 2. a side wall inner panel; 3. a rear wheel cover; 4. b column; 5. a rear floor; 6. a back rest ring; 7. the trunk is provided with a cross beam; 8. a support beam; 9. a C column; 10. a rear wall; 11. a rear floor stringer; 12. a rear floor front cross member; 13. a front cross beam reinforcement beam; 14. a first connection plate; 15. a threshold beam; 16. a front floor panel; 17. a reinforcing plate; 18. a second connecting plate;

1a, a front section of a side wall outer plate reinforcing plate; 1b, a front section of a side wall outer plate reinforcing plate; 2a, a side wall inner plate reinforcing plate; 3a, a front reinforcing plate of the rear wheel cover; 401. a B-pillar inner panel; 402. a B column reinforcing plate; 403. a B-pillar reinforcement; 601. supporting the longitudinal beam; 602. an upper cross beam; 603. a lower cross beam; 15a, tail; 1801. an upper plate body; 1802. a side plate body; 1803. overlapping edges;

G. a cavity; q, side wall window accommodating space; K. an opening; m, an installation space; n, notch.

Detailed Description

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

In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The present embodiment relates to a vehicle body of an automobile, which is specifically a convertible vehicle, and is integrally designed as shown in fig. 1 to 3, in which rear wheel house front reinforcement plates 3a are connected to the sides of the rear wheel houses 3 on both the left and right sides of the vehicle body facing the vehicle head, and side wall outer plate reinforcement plate front sections 1a are connected to the sides of the side wall outer plates 1 on both the left and right sides of the vehicle body facing the vehicle interior.

Wherein, each side wall planking reinforcing plate anterior segment 1a all extends along whole car front and back direction to be located the top of homonymy rear wheel casing 3, and the front end of each side wall planking reinforcing plate anterior segment 1a links to each other with homonymy B post 4, and the rear end of each side wall planking reinforcing plate anterior segment 1a links to each other with the top of homonymy rear wheel casing front reinforcing plate 3 a.

In addition, the bottom of the front reinforcing plate 3a of each side rear wheel cover is also connected with the B column 4 through the tail 15a of the same side door sill beam 15, and meanwhile, the B columns 4, the front section 1a of the side wall outer plate reinforcing plate, the front reinforcing plate 3a of the rear wheel cover and the tail 15a of the sill beam 15 at two sides form a triangle structure when seen from the left and right directions of the whole vehicle.

At this time, through the arrangement of the front section 1a of the side wall outer plate reinforcing plate and the front reinforcing plate 3a of the rear wheel cover, the B column 4, the front section 1a of the side wall outer plate reinforcing plate, the front reinforcing plate 3a of the rear wheel cover and the tail 15a of the threshold beam 15 form a triangular structure, and the triangular structure can utilize the characteristics of the reinforcing plates, especially the formed triangular structure, such that the structural strength from the rear part of the B column 4 to the front area of the rear wheel cover 3 is increased, the handling capacity of the automobile side collision can be increased, and the safety of the whole automobile collision is improved.

Specifically, as shown in fig. 4 to 6, the present embodiment forms a side sill receiving space Q for receiving a side sill window of a convertible car between the B pillars 4 on both sides and the rear wheel cover front reinforcement plate 3a, based on the above-described arrangement of the side sill outer reinforcement plate front section 1a and the rear wheel cover front reinforcement plate 3 a. At this time, it can be understood that by forming the side wall window accommodation space Q between the B pillar 4 and the rear wheel house front reinforcement plate 3a, it is possible to realize stable and reliable accommodation of the side wall window by utilizing the increase in structural strength from the rear portion of the B pillar 4 to the front portion region of the rear wheel house 3.

In addition, in the present embodiment, an opening K is formed between the side outer panel reinforcement panel front section 1a and the side inner panel 2 on both sides, and the opening K allows the side window to enter and exit the side window accommodating space Q. In specific implementation, the side wall window can be lifted or lowered through the opening K by the lifting driving mechanism arranged in the side wall window accommodating space Q, so that the side wall window is matched with the ceiling of the convertible car.

In this embodiment, as a preferred implementation manner, a side wall outer plate reinforcing plate rear section 1b is further connected to a side of the side wall outer plate 1 facing the vehicle, each side wall outer plate reinforcing plate rear section 1b extends along the front-rear direction of the vehicle and is located above the same side rear wheel cover 3, each side wall outer plate reinforcing plate front section 1a is connected to the same side wall outer plate 1, and each side wall outer plate reinforcing plate rear section 1b is connected to the same side wall inner plate 2.

At this time, by the arrangement of the side outer panel reinforcement plate rear section 1b described above, it is possible to further increase the structural strength of the vehicle body side portion on the basis of the side outer panel reinforcement plate front section 1a being provided. In addition, in the specific implementation, the front side wall outer plate reinforcing plate section 1a and the side wall outer plate 1, and the rear side wall outer plate reinforcing plate section 1b and the side wall inner plate 2 can be connected by welding. Of course, the front side outer panel reinforcement 1a and the B pillar 4, the front side outer panel reinforcement 1a and the front rear wheel cover reinforcement 3a may be connected by welding. The front reinforcing plate 3a of the rear wheel cover is obliquely arranged along one side of the rear wheel cover 3 close to the vehicle head, and then is connected to the rear wheel cover 3 in a welding mode.

In this embodiment, the rear end of each side wall outer panel reinforcement plate front section 1a is also connected to the front end of the same side wall outer panel reinforcement plate rear section 1b, and the rear end of each side wall outer panel reinforcement plate rear section 1b is joined to the same side support beam 8 in the left-right direction of the whole vehicle. As shown in fig. 1 to 3, each side support beam 8 is located on the side of the same side inner panel 2 facing the vehicle interior, and each side support beam 8 is specifically disposed in a forward tilting manner, such that the bottom end of each side support beam 8 is connected to the same side rear wheel house 3, and the top end of each side support beam 8 extends upward and rearward and is supported below the trunk mounting cross member 7.

Like this, through making side wall planking reinforcing plate anterior segment 1a and side wall planking reinforcing plate back segment 1B link to each other to and make side wall planking reinforcing plate anterior segment 1a and B post 4 connect, side wall planking reinforcing plate back segment 1B links up the setting with supporting beam 8, just can increase the transmission passageway between luggage case installation crossbeam 7 and B post 4, thereby help the transmission dispersion of collision force at the automobile body rear portion, in order to promote whole car collision security.

It should be noted that, the rear end of the side wall outer plate reinforcing plate rear section 1B and the support beam 8 are connected and arranged in the left-right direction of the whole vehicle, that is, the rear end and the support beam 8 are at least partially projected and overlapped in the left-right direction of the whole vehicle, and the collision force at the support beam 8 can be transmitted to the side wall outer plate reinforcing plate rear section 1B through the connection arrangement between the rear end of the side wall outer plate reinforcing plate rear section 1B and the support beam 8, and then the collision force can be transmitted to the front B column 4 through the side wall outer plate reinforcing plate front section 1a.

In addition, in addition to the support beams 8 provided in a forward inclined manner, C-pillars 9 provided in a backward inclined manner are respectively connected to the lower sides of both ends of the luggage mounting cross beam 7 in the present embodiment, and the bottom of each side C-pillar 9 is connected to the rear wall 10. Moreover, by utilizing the support beam 8 arranged in a forward tilting manner and the C-shaped column 9 arranged in a backward tilting manner, the support structures of the inverted V shape can be respectively formed at the two ends of the luggage case installation cross beam 7, so that the support effect on the luggage case installation cross beam 7 can be improved, and the stability of the arrangement of the luggage case installation cross beam 7 is ensured.

As a preferred embodiment, as shown in fig. 1 to 3, and in combination with fig. 7 to 9, the vehicle body of the present embodiment also has a back ring 6 with a bottom attached to the rear floor 5, and side gusset inner panels 2a provided on both left and right sides of the back ring 6, and each side gusset inner panel 2a is located on a side of the same side gusset inner panel 2 facing the vehicle interior. At this time, by providing the back rest ring 6, the torsional rigidity of the entire rear part of the vehicle body can be increased, which contributes to the improvement of the stability of the entire vehicle, and by providing the side wall inner panel reinforcing plate 2a, the structural strength of the side wall part can be further increased.

In a specific structure, referring to fig. 7 and 8, the side inner panel reinforcing plates 2a on each side are made of sheet metal members formed by punching, and the tops thereof are formed with turned-up flanges for overlap joint with the side inner panel 2. In a specific arrangement, the front end of each side inner side wall plate reinforcing plate 2a is connected with the B column 4 on the same side in a lap joint manner, the top of each side inner side wall plate reinforcing plate 2a is connected with the side inner side wall plate 2 on the same side in a lap joint manner, the rear end of each side inner side wall plate reinforcing plate 2a is connected between the backrest ring 6 and the rear wheel cover 3 on the same side, and a cavity is formed between the side inner side wall plate reinforcing plate 2a and the side inner side wall plate 2 in a surrounding manner.

At this time, the side wall inner panel reinforcing plate 2a and the B-pillar 4, and the side wall inner panel reinforcing plate 2a and the side wall inner panel 2 may be connected by welding. On the basis of the arrangement of the side wall inner plate reinforcing plate 2a, the side wall inner plate reinforcing plate 2a is connected with the B column 4 and the backrest ring 6, and a cavity is formed between the side wall inner plate reinforcing plate 2a and the side wall inner plate 2, in the embodiment, a force transmission channel can be increased between the backrest ring 6 and the B column 4, the transmission of collision force between the backrest ring 6 and the B column 4 is facilitated, and further, the capability of responding to automobile collision, particularly side collision, can be improved, so that the whole automobile collision safety is improved.

In the present embodiment, as an exemplary structural form, with continued reference to fig. 7 to 9, the back rest ring 6 of the present embodiment includes support stringers 601 provided on both left and right sides, and upper and lower cross members 602 and 603 arranged opposite to each other. At this time, the backrest ring 6 is composed of the supporting stringers 601 on both sides, and the upper cross beam 602 and the lower cross beam 603 which are oppositely arranged, so that the backrest ring 6 has the advantages of simple structure and convenience in design and preparation, and meanwhile, the backrest ring 6 can be conveniently arranged in the whole vehicle.

In addition, in the back rest ring 6, the bottom of each side support rail 601 is specifically connected to the rear floor 5 and is overlapped on the rear floor rail 11 on the same side, and at the same time, the side of each side support rail 601 is also connected to the rear wheel house 3 through the side inner panel reinforcement plate 2a on the same side. The lower cross beam 603 is specifically connected between the bottoms of the side support stringers 601 and connected to the rear floor 5, and the two ends of the upper cross beam 602 are connected to the top ends of the side support stringers 601.

It will be appreciated that the connection strength between the back rest ring 6 and the vehicle body side structure can be ensured by connecting the support side member 601 with the rear floor 5 and overlapping the rear floor side member 11, and connecting the support side member 601 with the rear wheel housing 3 through the side inner panel reinforcing plate 2a, thereby increasing the stability of the back rest ring 6. The lower cross member 603 is connected to the rear floor 5, so that the reliability of the connection between the back ring 6 and the rear floor 5 can be further increased, and the upper cross member 602 can be easily connected to each of the support side members 601 by connecting the ends thereof to the top ends thereof.

The support side members 601, the upper cross member 602, and the lower cross member 603, and the support side members 601, the lower cross member 603, and the rear floor 5 may be connected by welding, and the support side members 601, the side body inner panel reinforcement plate 2a, and the rear wheel house 3 may be connected by multi-layer welding. Meanwhile, in the specific implementation, in order to facilitate the overlap joint between the supporting longitudinal beam 601 and the rear floor longitudinal beam 11, a notch N may be provided at the bottom of each side supporting longitudinal beam 601, and a part of the rear floor longitudinal beam 11 is embedded into the notch N and then welded with the supporting longitudinal beam 601.

In this embodiment, as a preferred implementation manner, the support longitudinal beam 601, the upper cross beam 602 and the lower cross beam 603 may all have a hollow beam structure as shown in fig. 9, and each beam may be a sheet metal beam formed by stamping. In addition, by providing the side support stringers 601 and the upper cross member 602 in a hollow manner, it is possible to form the installation space M in each support stringer 601 and to form communication ports at both ends of the upper cross member 602 to allow each installation space M to communicate with the outside. At this time, the installation space M may be used to install a pop-up mechanism at the back ring 6 in particular, so as to promote the safety protection function at the back ring 6.

Continuing from fig. 10 and 15, the vehicle body of the present embodiment also has therein a rear floor front cross member 12 connected to the front end of the rear floor 5, the rear floor front cross member 12 being specifically connected between the tail portions 15a of the side sill beams 15, and a front cross member reinforcement beam 13 being connected to the top of the rear floor front cross member 12. The left and right ends of the front cross beam reinforcement beam 13 are connected to the side B-pillars 4 via first connection plates 14, respectively.

Like this, through the setting of above-mentioned front beam stiffening beam 13 and each first connecting plate 14, it can adapt to the condition that open car upper portion automobile body lacks, and the side bumps the power transmission passageway and reduces, can increase the side and bump the power transmission passageway between the B post 4 of both sides to increase the collision power transmission ability in automobile body middle part, promote collision power transmission dispersion effect.

As a preferred embodiment, in combination with the cross section of the front cross beam reinforcement beam 13 and the first connection plates 14 of the present embodiment being "n" shaped, as shown in fig. 10, cavities are thus formed in the front cross beam reinforcement beam 13 and the first connection plates 14. At this time, the cross sections of the front beam reinforcement beam 13 and the first connecting plates 14 are set to be n-shaped, and cavities are formed in the front beam reinforcement beam 13 and the first connecting plates 14, so that the structural strength of the front beam reinforcement beam 13 and the first connecting plates 14 is increased by utilizing the characteristic of high structural strength of the cavities, and the force transmission effect of a force transmission channel formed by the front beam reinforcement beam 13 and the first connecting plates 14 on two sides is improved.

In addition, in order to increase the connection reliability between the first connection plate 14 and the B-pillar 4, as a preferred embodiment, as shown in fig. 10 and 11, the present embodiment also makes the upper end surfaces of the two-side first connection plates 14 each be an arc surface that is provided to be gradually higher in the direction approaching the same-side B-pillar 4. Thus, the weight reduction of the first connecting plate 14 can be facilitated and the arrangement thereof can also be facilitated while increasing the connection reliability between the first connecting plate 14 and the B-pillar 4.

On the basis of the provision of the front cross beam reinforcement beam 13, as a preferred embodiment, the present embodiment is also shown in fig. 12 and 13, in which B-pillar reinforcements 403 are provided in each side B-pillar 4, and each side B-pillar reinforcement 403 and the first connecting plate 14 on the same side are joined in the right-left direction of the entire vehicle.

At this time, by the provision of the B-pillar reinforcement 403, it is possible to improve the connection rigidity between the B-pillar 4 and the first connection plate 14. In a specific structure, the B-pillar 4 on each side of the present embodiment includes a B-pillar inner panel 401 and a B-pillar reinforcing panel 402 that are fastened together, and a B-pillar inner cavity is formed between the fastened B-pillar inner panel 401 and the B-pillar reinforcing panel 402. At this time, the B-pillar 4 is composed of the B-pillar inner panel 401 and the B-pillar reinforcing panel 402, the first connection panel 14 on each side is connected to the B-pillar inner panel 401 on the same side, and the B-pillar reinforcing members 403 on each side are also provided along with the B-pillar inner panel 401 on the same side, and are bonded to one end surface of the B-pillar inner panel 401 facing the B-pillar reinforcing panel 402 on the same side.

It can be understood that the B-pillar 4 is formed by the B-pillar inner plate 401 and the B-pillar reinforcing plate 402 which are connected by buckling, so that the structural strength of the B-pillar 4 can be ensured, and the modeling design of the B-pillar 4 is facilitated. The B-pillar reinforcement 403 is disposed along with the B-pillar inner panel 401 and attached to the B-pillar inner panel 401, which can increase the reliability of the engagement between the B-pillar reinforcement 403 and the first connection plate 14, thereby improving the transmission effect of the collision force between the B-pillar 4 and the first connection plate 14.

It should be noted that, in the present embodiment, the projection of the B-pillar reinforcement 403 and the first connection plate 14 in the left-right direction of the whole vehicle at least partially overlaps. Like this, through the linking setting between the above-mentioned two, just can be in the reinforcing of B post 4 structure, when the power transmission ability increases, also do benefit to the collision force and transmit forward crossbeam stiffening beam 13, and then improve the dispersion transmission effect of side impact force between B post 4 and front crossbeam stiffening beam 13. Of course, in the specific implementation, in view of the fact that the B-pillar reinforcement 403 is attached to the B-pillar inner panel 401, the B-pillar reinforcement 403, the B-pillar inner panel 401 and the first connection panel 14 on both sides may also be connected together by three-layer welding, so as to better enhance the installation effect of the B-pillar reinforcement 403.

In this embodiment, as a preferred embodiment, the front cross beam reinforcement beam 13 and the two first connection plates 14 are provided, and one side of the two first connection plates 14 facing the vehicle tail is connected to the rear floor side member 11 on the same side. At this time, by the connection between each first connection plate 14 and the rear floor side member 11 on the same side, the continuity of the transmission of the collision force among the rear floor side member 11, the front cross member reinforcement beam 13 and the B pillar 4 can be improved, and the collision force transmission dispersion effect can be improved.

In addition, in the present embodiment, as a preferred embodiment, the side rocker beams 15 are provided with reinforcing plates 17 extending in the front-rear direction of the entire vehicle on the side facing the vehicle interior, each side reinforcing plate 17 is located above the front floor panel 16, and a cavity G is formed between each side rocker beam 15, reinforcing plate 17, and front floor panel 16, respectively.

At this time, by arranging the reinforcing plate 17 inside the threshold beam 15 and forming the cavity G between the threshold beam 15, the reinforcing plate 17 and the front floor panel 16, the structural strength of the threshold beam 15 is increased by utilizing the increased reinforcing plate 17, especially the characteristic of large structural strength of the formed cavity G, and the overall structural strength of the middle part of the vehicle body is improved, thereby being beneficial to the improvement of the capability of coping with the collision of the whole vehicle.

In addition, fig. 1 to 3 and 10 show only one reinforcing plate 17, and the present embodiment also specifically describes the reinforcing plate 17 on the one side, and the reinforcing plate 17 on the other side may be provided with reference to the reinforcing plate 17 on the one side. In addition, the cross section of the reinforcing plate 17 of the present embodiment is substantially "L" shaped, and a burring structure may be formed at a side thereof adjacent to the front floor panel 16 so as to be better connected with the front floor panel 16. Meanwhile, in the concrete implementation, each side reinforcing plate 17 may be a sheet metal member formed by press forming, and may be connected to the sill beam 15 and the front floor panel 16 by spot welding.

In addition to the provision of the stiffening plate 17, in this embodiment, the front end of each side stiffening plate 17 is extended to the same side a-pillar position, and the rear end of each side stiffening plate 17 is extended to the same side B-pillar 4 position. Moreover, in order to allow the reinforcing plate 17 to more directly participate in the transmission of the collision force at the time of the collision of the automobile, it is preferable that the front end of the reinforcing plate 17 is connected to the a-pillar while the front end of the reinforcing plate 17 is extended to the a-pillar position, and the connection manner between the two may be generally welding. By the connection between the reinforcing plate 17 and the a-pillar, it is understood that it is possible to improve not only the torsional rigidity of the bottom portion of the a-pillar but also the impact force transmitting effect between the front end portion of the rocker 15 and the a-pillar.

It should be noted that, in the specific implementation, the front floor panel 16 and the threshold beam 15 may be connected together by welding, and in particular, may be connected by spot welding after the front floor panel 16 is overlapped to the threshold beam 15. By the direct connection between the front floor panel 16 and the rocker 15, the strength of the connection between the vehicle body center position components can be ensured, and the stability of the arrangement of the front floor panel 16 can be ensured.

In the present embodiment, as a preferred embodiment, a second connecting plate 18 is also connected between each side sill beam 15 and the rear floor front cross member 12 and the front floor panel 16, and the rear end of each side reinforcing plate 17 is connected to the second connecting plate 18 on the same side in a lap joint manner, and the side of the first connecting plate 14 on each side facing the vehicle head is also connected to the second connecting plate 18 on the same side in a lap joint manner.

In this way, by arranging the threshold beam 15, the rear floor front cross member 12 and the second connection plate 18 between the front floor panel 16 and connecting the reinforcing plate 17 and the first connection plate 14 with the second connection plate 18 respectively, the connection strength among the threshold beam 15, the rear floor front cross member 12, the front floor panel 16 and the reinforcing plate 17 and the first connection plate 14 can be increased, the torsional rigidity of the root position of the B-pillar 4 can be improved, the transmission dispersion of the collision force at the position can be facilitated, and the collision safety can be improved.

As a preferred embodiment, as shown in fig. 16, the second connection plate 18 on each side of the present embodiment is also formed in an L shape as a whole, and is composed of a substantially triangular upper plate 1801 and a substantially rectangular side plate 1802. Further, a lap edge 1803 is formed on each of the upper plate body 1801 and the side plate body 1802 for connection with the rocker 15, the rear floor front cross member 12, and the front floor panel 16. Of course, the concrete connection mode is just spot-welded, and the rear end of the reinforcing plate 17 and the second connecting plate 18 are just spot-welded.

At this time, the second connection plate 18 is made to adopt the above-described structure, and it is understood that it may form a cavity structure between the second connection plate 18 and the threshold beam 15, the rear floor front cross member 12, and the front floor panel 16 when they are connected. Thereby, the overall structural strength of the connection position between the threshold beam 15, the rear floor front cross member 12 and the front floor panel 16 can be improved, and the installation effect of the second connection plate 18 can be ensured.

In the vehicle body of the vehicle of the present embodiment, in the event of a collision of the vehicle, particularly a side collision, on the one hand, the collision force can be transmitted in the front-rear direction of the entire vehicle through the rocker 15 and the reinforcing plate 17, and the side outer panel reinforcing plate front section 1a and the side outer panel reinforcing plate rear section 1 b. On the other hand, the collision force can also be transmitted in the vehicle left-right direction via the B pillar 4, the rear floor front cross member 12 and the front cross member reinforcement beam 13, and dispersed at the back ring 6 via the transmission of the side inner panel reinforcement plate 2 a. In this way, by transmitting in the lateral direction (the vehicle-side-to-side direction) and the longitudinal direction (the vehicle-side-to-rear direction), respectively, effective dispersion of the collision force can be achieved to reduce injuries caused by collisions.

When the automobile collides with the front, the front collision force can be transmitted from the front cabin and the A pillar to the threshold beam 15 and the reinforcing plate 17 and then to the B pillar 4, and then the collision force can be further transmitted backwards except through the rear floor longitudinal beam 11, the front side outer reinforcing plate section 1a and the rear side outer reinforcing plate section 1B. At the same time, the collision force can be transmitted in the left-right direction of the whole vehicle through the rear floor front cross member 12 and the front cross member reinforcing beam 13, and the side wall inner plate reinforcing plate 2a and the backrest ring 6. In this way, by transmitting in the lateral direction (the vehicle-side-to-side direction) and the longitudinal direction (the vehicle-side-to-rear direction), respectively, the collision force can be effectively dispersed as well, so that the damage caused by the collision can be reduced.

According to the automobile body of the automobile, the front section 1a of the side wall outer plate reinforcing plate and the front reinforcing plate 3a of the rear wheel cover are arranged, the B column 4, the front section 1a of the side wall outer plate reinforcing plate, the front reinforcing plate 3a of the rear wheel cover and the tail 15a of the threshold beam 15 form a triangular structure, the characteristic that the strength of each reinforcing plate, especially the formed triangular structure, is high is utilized, the structural strength from the rear part of the B column 4 to the front area of the rear wheel cover 3 is increased, the coping capacity of side collision of the automobile is improved, the collision safety of the whole automobile can be improved, and the automobile body is good in practicability.

Example two

The present embodiment relates to an automobile having the body of the automobile in the first embodiment. The automobile of this embodiment can increase the structural strength from the rear part of the B-pillar 4 to the front region of the rear wheel cover 3 by arranging the automobile body in the first embodiment, is favorable for increasing the coping ability to the side collision of the automobile, can promote the collision safety of the whole automobile, and has good practicability.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A body for an automobile, characterized by:

the side of the rear wheel covers (3) on the left side and the right side of the vehicle body, which face the vehicle head, are connected with a rear wheel cover front reinforcing plate (3 a), and the side of the side wall outer plates (1) on the left side and the right side of the vehicle body, which face the vehicle interior, are connected with a side wall outer plate reinforcing plate front section (1 a);

the front sections (1 a) of the side wall outer plate reinforcing plates at all sides extend along the front-back direction of the whole vehicle and are positioned above the rear wheel covers (3) at the same side, the front ends of the front sections (1 a) of the side wall outer plate reinforcing plates at all sides are connected with B columns (4) at the same side, and the rear ends of the front sections (1 a) of the side wall outer plate reinforcing plates at all sides are connected with the top ends of the front reinforcing plates (3 a) of the rear wheel covers at the same side;

the bottom of reinforcing plate (3 a) before the rear wheel casing of each side all through with afterbody (15 a) of side door threshold roof beam (15) with B post (4) link to each other, both sides B post (4), side wall planking reinforcing plate anterior segment (1 a) reinforcing plate rear wheel casing front reinforcing plate (3 a) with afterbody (15 a) of threshold roof beam (15) constitute triangle-shaped structure.

2. The body of an automobile as claimed in claim 1, wherein:

a side wall window accommodating space (Q) is formed between the B column (4) and the front reinforcing plate (3 a) of the rear wheel cover at both sides, and an opening (K) is formed between the front section (1 a) of the side wall outer plate reinforcing plate and the side wall inner plate (2) at both sides.

3. The body of an automobile as claimed in claim 1, wherein:

one side of the side wall outer plate (1) at both sides facing the inside of the vehicle is also connected with a side wall outer plate reinforcing plate rear section (1 b), each side of the side wall outer plate reinforcing plate rear section (1 b) extends along the front-back direction of the whole vehicle and is positioned above the rear wheel cover (3) at the same side, and each side the side wall planking reinforcing plate anterior segment (1 a) with the homonymy the side wall planking (1) links to each other, each side the side wall planking reinforcing plate posterior segment (1 b) with homonymy side wall inner panel (2).

4. A body of an automobile as claimed in claim 3, wherein:

the rear ends of the front sections (1 a) of the side wall outer plate reinforcing plates on all sides are connected with the front ends of the rear sections (1 b) of the side wall outer plate reinforcing plates on the same side, and the rear ends of the rear sections (1 b) of the side wall outer plate reinforcing plates on all sides are connected with supporting beams (8) on the same side in the left-right direction of the whole vehicle;

the side wall inner plates (2) are positioned on the same side, one side of the side wall inner plates (2) faces the vehicle, the bottom ends of the side wall inner plates (8) are connected to the rear wheel cover (3) on the same side, and the top ends of the side wall inner plates (8) are supported below the trunk installation cross beam (7).

5. The body of an automobile as claimed in claim 1, wherein:

the automobile body is provided with a backrest ring (6) with the bottom connected to a rear floor (5) and side wall inner plate reinforcing plates (2 a) arranged on the left side and the right side of the backrest ring (6), and the side wall inner plate reinforcing plates (2 a) on each side are positioned on one side of the side wall inner plate (2) on the same side facing the inside of the automobile;

each side the front end of side wall inner panel reinforcing plate (2 a) links to each other with homonymy B post (4) overlap joint, each side the top of side wall inner panel reinforcing plate (2 a) with homonymy side wall inner panel (2) overlap joint links to each other, and each side the rear end of side wall inner panel reinforcing plate (2 a) is connected between back ring (6) and homonymy rear wheel casing (3), and be in side wall inner panel reinforcing plate (2 a) with enclose the formation between side wall inner panel (2) and have the cavity.

6. The body of an automobile as claimed in claim 5, wherein:

the backrest ring (6) comprises support longitudinal beams (601) arranged on the left side and the right side, and an upper cross beam (602) and a lower cross beam (603) which are arranged oppositely;

the bottoms of the supporting longitudinal beams (601) on each side are connected with the rear floor (5) and are lapped on the rear floor longitudinal beams (11) on the same side, and the side parts of the supporting longitudinal beams (601) on each side are connected with the rear wheel cover (3) through the side wall inner plate reinforcing plates (2 a) on the same side;

the lower cross beam (603) is connected between the bottoms of the support longitudinal beams (601) on two sides and is connected with the rear floor (5), and two ends of the upper cross beam (602) are connected with the top ends of the support longitudinal beams (601) on two sides.

7. The vehicle body of an automobile according to any one of claims 1 to 6, characterized in that:

the automobile body is internally provided with a rear floor front cross beam (12) connected with the front end of the rear floor (5), the rear floor front cross beam (12) is connected between tail parts (15 a) of threshold beams (15) at two sides, and the top of the rear floor front cross beam (12) is connected with a front cross beam stiffening beam (13);

the left end and the right end of the front cross beam reinforcement beam (13) are respectively connected with the B columns (4) at each side through first connecting plates (14).

8. The body of an automobile as claimed in claim 7, wherein:

b column reinforcements (403) are arranged in the B columns (4) on each side, and the B column reinforcements (403) on each side and the first connecting plates (14) on the same side are connected in the left-right direction of the whole vehicle; and/or the number of the groups of groups,

one side, facing the tail of the vehicle, of the first connecting plates (14) on both sides is connected with the rear floor longitudinal beam (11) on the same side.

9. The body of an automobile as claimed in claim 7, wherein:

the side of the threshold beam (15) at both sides facing the vehicle interior is provided with a reinforcing plate (17) extending along the front-rear direction of the whole vehicle, each side of the reinforcing plate (17) is positioned above the front floor panel (16), and a cavity (G) is formed between the threshold beam (15), the reinforcing plate (17) and the front floor panel (16) in a surrounding manner;

the side threshold beam (15) with be connected with second connecting plate (18) between back floor front cross beam (12) and the preceding floor panel (16), and each side the rear end of stiffening plate (17) with homonymy second connecting plate (18) overlap joint links to each other, each side first connecting plate (14) towards locomotive one side with homonymy second connecting plate (18) overlap joint links to each other.

10. An automobile, characterized in that:

the automobile having the automobile body of any one of claims 1 to 9.

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