CN217124959U - Vehicle body structure and vehicle - Google Patents

Abstract

The application discloses automobile body structure and vehicle, enclose skeleton, side wall skeleton, top cap skeleton and vehicle bottom frame after including, fixed connection between back wall skeleton, side wall skeleton and the top cap skeleton, side wall skeleton and vehicle bottom frame fixed connection, fixedly connected with rear drive steering axle on the vehicle bottom frame, rear drive steering axle are located the below of side wall skeleton rear side limit and are located back wall skeleton lower side limit. The rear drive steering axle is located side wall skeleton and back wall skeleton outside among the automobile body structure of this application, is favorable to realizing the structural arrangement of the short rear overhang long wheel base of four drive steering vehicles, guarantees automobile body structure's rigidity and intensity simultaneously, avoids forming the rear wheel convex closure on vehicle inside bottom plate simultaneously, promotes passenger's experience and feels.

Description

Vehicle body structure and vehicle

Technical Field

The utility model relates to the technical field of automobiles, concretely relates to body structure and vehicle.

Background

At present, the existing passenger car at home and abroad is generally provided with a rear overhang, a longer wheelbase and a shorter wheelbase, and the car body structure is formed by welding a rear surrounding framework side upright post, a side surrounding framework rear upright post and a rear surrounding framework upper cross beam of a rear surrounding framework and a top cover framework cross beam of a rear surrounding framework, which are positioned in a rear overhang area, to form a closed loop structure, so that the welding process of a rear surrounding framework assembly is simplified and the welding process of a car body structure hexahedral framework is facilitated. However, in the passenger car with the rear suspension structure and the longer wheelbase, the area of the low floor area of the passenger car is limited, so that the passenger carrying capacity is limited, and meanwhile, passengers need to go to the rear suspension area after getting on the car, and the passenger experience is poor.

In order to overcome the limitation of a passenger car with a long rear suspension and a short wheelbase, the passenger car with the short rear suspension and the long wheelbase is a research hotspot and a development trend, however, the current car body structure adopts a closed-loop plane tailor-welded structure, so that a rear wheel is enveloped in a side wall framework and a rear wall framework, but for the structure of the short rear suspension, the rear wall framework cannot provide sufficient motion enveloping body space of the rear wheel, unless the rear suspension is increased, the requirement of the long wheelbase and the short rear suspension is obviously not met, and therefore the current car body structure cannot be suitable for the passenger car with the short rear suspension and the long wheelbase.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect or not enough among the prior art, it is desirable to provide a vehicle body structure and vehicle, with rear drive steering axle retrusion be located the outside of side wall skeleton and back wall skeleton, be favorable to realizing the arrangement mode of short rear overhang long wheel base, be favorable to promoting simultaneously and be used for experiencing the sense.

In a first aspect, the application provides a vehicle body structure, including back wall skeleton, side wall skeleton, top cap skeleton and vehicle bottom frame, fixed connection between back wall skeleton, side wall skeleton and the top cap skeleton, side wall skeleton and vehicle bottom frame fixed connection, fixedly connected with rear drive steering axle on the vehicle bottom frame, rear drive steering axle is located the below of the side behind the side wall skeleton and is located back wall skeleton below side

As an optional scheme, a protective cover is covered outside the rear drive steering axle and is fixedly connected with the rear wall framework, and the protective cover is used for shielding the rear wheels of the vehicle and the rear drive steering axle.

As an optional scheme, the connecting positions of the front side of the rear wall framework, the rear side of the side wall framework and the rear side of the top cover framework are respectively positioned at the front side of the rear axle of the vehicle.

As an optional scheme, the rear wall frame comprises a front side upright and a front upper beam which are fixedly connected with each other, the side wall frame comprises a rear side upright, the top cover frame comprises a first rear upper beam, the front side upright is fixedly connected with the rear side upright, and the front upper beam is fixedly connected with the first rear upper beam to form a rear door upright of the vehicle body structure.

As optional scheme, enclose the skeleton after including second back entablature and back bottom end rail, be provided with the wind window skeleton between second back entablature and the back bottom end rail, and be formed with the accommodation space that is used for installing windscreen on the wind window skeleton, the accommodation space is that the surface of wind window skeleton is towards the front side recess formation of enclosing the skeleton after.

As an optional scheme, the upper side of the air window frame and/or the second rear upper cross beam are provided with first limiting parts, the lower side of the air window frame and/or the rear lower cross beam are provided with second limiting parts, and the first limiting parts and the second limiting parts are used for limiting the air window glass.

As optional scheme, the rear wall frame further comprises an upper side beam and a lower side beam, a reinforcing side column is arranged between the upper side beam and the lower side beam, and the reinforcing side column is located in a region close to the wind window frame.

As optional scheme, fixedly connected with bracing skeleton between lower side boundary beam and the front side stand, the bracing skeleton is located the safety cover inside.

Optionally, the vehicle body structure further comprises a peripheral skin, the peripheral skin is formed above the upper side edge of the rear frame and/or above the roof frame, and at least part of the area of the peripheral skin is in the same plane with the plane of the windshield glass.

Alternatively, the protective cover is a glass reinforced plastic member.

As an optional scheme, still be provided with the cat ladder on the skeleton of enclosing after, the one end of cat ladder is close to the top cap skeleton, and the other end orientation of cat ladder is kept away from the direction extension of top cap skeleton and is located the region that is close to the vehicle bottom frame, and the other end orientation of cat ladder encloses the direction of skeleton after and is provided with the supporting part for support the cat ladder.

As an optional scheme, the ladder stand is provided with the flexion near the one end of top cap skeleton, and the ladder stand passes through flexion detachably to be connected on the back encloses the skeleton.

Optionally, a buffer is disposed at a joint of the support portion and the rear surrounding framework, and the buffer is used for abutting the support portion and the rear surrounding framework.

In a second aspect, the present application provides a vehicle including the vehicle body structure of the first aspect.

The utility model provides an automobile body structure is through setting up the rear drive steering axle in side wall skeleton and back enclose the skeleton outside, need not to enclose the skeleton at side wall skeleton or back and provide rear wheel drive steering space, be favorable to realizing the arrangement mode of the short rear overhang long wheelbase of four-wheel drive steering passenger train, automobile body structure's rigidity and intensity have been guaranteed, avoided forming the rear wheel convex closure on the floor in the car simultaneously, make things convenient for the passenger, and fine isolated the influence of rear drive steering axle vibration and noise, further promote passenger experience and feel.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is a schematic structural view of a vehicle body structure according to an embodiment of the present invention;

fig. 2 is a side view of a rear structure of a vehicle body structure according to an embodiment of the present invention (seen from a direction facing a vehicle door);

fig. 3 is a side view (viewed from a direction facing a vehicle door) of a rear wall skeleton of a vehicle body structure according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a protective cover in a vehicle body structure according to an embodiment of the present invention;

fig. 5 is a schematic structural view of another vehicle body structure according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of the vehicle body structure taken along direction b in FIG. 5;

fig. 7 is a schematic structural view of a suspension portion in another vehicle body structure according to an embodiment of the present invention;

FIG. 8 is a schematic view of the suspension portion of FIG. 7 along direction c;

fig. 9 is a schematic structural view of a ladder stand in another vehicle body structure according to an embodiment of the present invention;

FIG. 10 is a schematic view of the ladder in the direction d of FIG. 9;

fig. 11 is a schematic view of the ladder stand along direction e in fig. 9.

In the figure, the position of the upper end of the main shaft,

10. the wind window comprises a rear surrounding framework, 11 parts of front side columns, 12 parts of front upper cross beams, 13 parts of second rear upper cross beams, 14 parts of rear lower cross beams, 15 parts of wind window frameworks, 151 parts of first limiting parts, 152 parts of second limiting parts, 16 parts of upper side beams, 17 parts of lower side beams, 18 parts of reinforcing side columns, 19 parts of inclined strut frameworks, 100 parts of peripheral skin, 101 parts of wind window glass and 102 parts of accommodating spaces.

20. The side wall frame comprises a side wall frame, 21 rear side upright posts, 30 top cover frame, 31 first rear upper cross beam, 40 rear drive steering axle, 50 protective cover, 60 vehicle rear wheels and 61 vehicle rear axle;

70. ladder 71 support 72 suspension 73 bend 74 cushion.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

At present the passenger train rear overhang is longer, and the automobile body structure generally encloses skeleton, side wall skeleton, preceding enclose skeleton and top cap skeleton tailor-welding and forms closed loop structure after, wherein sets up the arc wall of dodging the vehicle rear wheel on the side wall skeleton, because the rear overhang is longer, encloses skeleton and side wall skeleton after can the envelopment vehicle rear wheel to can form the boss on vehicle inside floor, lead to passenger experience to feel poor.

The existing method for shortening the rear suspension to increase the wheelbase in order to increase the passenger carrying capacity of the vehicle and improve the experience of passengers cannot provide sufficient motion enveloping bodies of rear driving steering wheels because the rear suspension is short, and unless the rear suspension is increased, the method obviously does not conform to the arrangement mode of short rear suspension and long wheelbase.

Based on the above problem, an embodiment of the present application provides a vehicle body structure, as shown in fig. 1-4, including back wall skeleton 10, side wall skeleton 20, top cap skeleton 30 and vehicle underframe, fixed connection between back wall skeleton 10, side wall skeleton 20 and the top cap skeleton 30, side wall skeleton 20 and vehicle underframe fixed connection, fixedly connected with rear drive steering axle 40 on the vehicle underframe, rear drive steering axle 40 is located the rear of the back side of side wall skeleton 20 and is located the below of the back side of back wall skeleton 10.

It should be noted that the vehicle body structure of the embodiment of the present application may be configured substantially as a hexahedral structure, including the cowl frames in addition to the rear cowl frame 10, the side cowl frames 20, and the roof frame 30 mentioned above. Wherein, enclose skeleton before this application embodiment, enclose the skeleton after, side wall skeleton, top cap skeleton and vehicle bottom frame, park subaerial according to the vehicle is normal, the body structure is located can understand that the regional skeleton that encloses before can understanding of locomotive, the body structure is located can understand that enclose skeleton 10 after can regional in the rear of a vehicle, the region that the body structure is located locomotive and rear of a vehicle top can understand top cap skeleton 30, the region that is located locomotive and rear of a vehicle below correspondingly can understand the vehicle bottom frame, regional side wall skeleton 20 between the body structure connection locomotive and the rear of a vehicle.

It can be understood that, preceding front wall skeleton left and right sides and the front side fixed connection of side wall skeleton 20, preceding wall skeleton upside and top cap skeleton 30 front side fixed connection, preceding wall skeleton downside is fixed on the vehicle chassis, 10 upsides of back wall skeleton and top cap skeleton 30 rear side fixed connection, the rear side fixed connection of 10 front sides of back wall skeleton and side wall skeleton 20, the upside and the top cap skeleton 30 fixed connection of side wall skeleton 20, the downside fixed connection of side wall skeleton 20 is on the vehicle chassis, and then form the body structure hexahedron.

The rear side frame 10, the side frame 20 and the roof frame 30 may be connected by any fixed connection, and the side frame 20 and the vehicle chassis may also be connected by any fixed connection, such as, but not limited to, welding, screwing, and the like.

It can also be understood that a rear drive steering axle 40 is fixedly connected to the chassis and is used for matching with the front drive to realize the four-drive steering of the vehicle. The rear-drive steer axle 40 is located behind the rear side of the side wall frame 20 and below the lower side of the rear wall frame 10, and it can be seen that the rear-drive steer axle 40 is located outside the hexahedron of the vehicle body structure, that is, the rear wheels 60 are located outside the hexahedron of the vehicle body structure. The rear side of the side wall frame 20 can be understood as the area of the side wall frame 20 closest to the vehicle tail, and correspondingly, the rear side of the side wall frame 20 can be understood as the direction from the rear side of the side wall frame 20 to the vehicle tail; the lower side of the rear surrounding frame 10 may be understood as a region of the rear surrounding frame 10 closest to the ground, and correspondingly, the lower side of the rear surrounding frame 10 may be understood as a direction from the lower side of the rear surrounding frame 10 toward the ground. The rear axle 61 moves backwards to increase the wheelbase, so that the design that the traditional long rear suspension short wheelbase vehicle body structure envelopes the rear wheel 60 is broken through, a side wall framework and a rear wall framework are not required to envelop the rear wheel 60, the short rear suspension long wheelbase is favorably realized, the passenger carrying capacity is increased, the passenger experience is improved, the modeling and the structure of the rear wall framework can obtain larger freedom degree, the structural design is flexible and convenient, a gap for avoiding the rear wheel 60 is not required to be formed in the rear wall framework or the side wall framework, and the structural strength and the rigidity of the vehicle body are favorably enhanced; on the other hand, since the rear wheel 60 is located outside the hexahedron of the vehicle body structure, the convex hull of the rear wheel 60 formed on the floor inside the vehicle is eliminated at the same time, and the influence of the vibration and noise of the rear drive steering axle is isolated, so that the passenger area inside the vehicle compartment is quiet and comfortable.

It can also be understood that the rear drive steering axle 40 is located outside the hexahedron of the vehicle body structure, which is beneficial to lifting the shape or local structure of the vehicle rear wheel 60, has a larger design margin space, is not affected by welding the rear side of the side wall frame 20 and the front side of the rear wall frame 10, and has a more three-dimensional and more beautiful shape at the rear part of the vehicle body structure, and can also have better containment for the vehicle rear wheel.

To sum up, the automobile body structure of this application embodiment has solved the unable arrangement mode who adapts to short rear overhang long wheel base of current automobile body structure. This application embodiment sets up in the rear of side wall skeleton rear side and the below of back wall skeleton downside through driving the steer axle after, is favorable to realizing the arrangement mode of short rear overhang long wheel base, and the embodiment of this application still has following effect at least:

(1) the large passenger capacity is realized, and the passenger experience is improved;

(2) the flexible design of the rear wall framework and the modeling of the rear part of the vehicle is facilitated, the wheel notch formed in the side wall framework of the traditional vehicle body structure is eliminated, and the strength and the rigidity of the vehicle body structure are enhanced;

(3) the daily maintenance, disassembly and assembly of the rear drive steering axle are facilitated;

(4) vibration, noise and the like which are possibly generated during driving of the rear drive steering axle are isolated, so that a passenger area in the carriage is quieter and more comfortable;

(5) when the vehicle receives backward collision, the rear drive steering axle can play the collision cushioning effect, so that passengers in the carriage are safer.

In an implementation manner, the rear-drive steering axle 40 is externally covered with a protective cover 50, the protective cover 50 is fixedly connected with the rear surrounding framework 10, and the protective cover 50 is used for shielding the vehicle rear wheel 60 and the rear-drive steering axle 40.

A protective cover 50 is arranged outside the rear drive steering axle 40, and the protective cover 50 is mainly used for shielding the rear wheels 60 of the vehicle and the rear drive steering axle 40; in the exemplary embodiment, the protective cover 50 may be understood as a fender, and the protective cover 50 may have any shape, such as, but not limited to, a circular arc shape similar to the contour of a rear wheel of a vehicle. The protective cover 50 is beneficial to shielding muddy water splashing of the vehicle rear wheel to the vehicle body structure during running of the vehicle, and dust and muddy water are prevented from polluting the vehicle body structure.

In an implementation manner, the joints of the front side of the rear surrounding frame 10 and the rear sides of the side surrounding frame 20 and the roof frame 30 are located at the front side of the rear axle 61.

As an implementation manner, the rear side frame 10 includes a front side pillar 11 and a front upper beam 12 that are fixedly connected to each other, the side frame 20 includes a rear side pillar 21, the roof frame 30 includes a first rear upper beam 31, the front side pillar 11 is fixedly connected to the rear side pillar 21, and the front upper beam 12 is fixedly connected to the first rear upper beam 31, so as to form a rear door pillar of the vehicle body structure.

It can be understood that, since the rear drive steering axle 40 is located behind the rear side of the side wall frame 20 and below the lower side of the rear wall frame 10, the connection between the front side pillar 11 and the rear side pillar 21 and the connection between the front upper cross beam 12 and the first rear upper cross beam 31 are both located at the front side of the rear axle 61, which is further beneficial to the structural arrangement mode of realizing the short rear suspension long wheelbase.

It can also be understood that the side wall frame 20 is located in front of the rear axle 61, that is, the side wall frame 20 moves forward, so that the possibility of increasing the radius of the transition corner between the rear wall frame and the side wall frame and the top cover frame is provided, and the problems that the rear part of the vehicle is easy to raise dust, the vehicle body is easy to dirty and the like due to the fact that the radius of the transition corner is too small in the conventional passenger vehicle and negative pressure is generated in the rear wall area of the vehicle are solved.

Wherein, front side stand 11 and rear side stand 21 fixed connection and preceding entablature 12 and first back entablature 31 fixed connection form car back door stand, are favorable to installing the door to the passenger need not backward movement after getting on the bus, promote passenger and experience and feel.

As an implementation manner, the rear enclosure framework 10 includes a second rear upper beam 13 and a rear lower beam 14, a window framework 15 is disposed between the second rear upper beam 13 and the rear lower beam 14, and an accommodating space 102 for installing window glass 101 is formed on the window framework 15, and the surface of the window framework 15 is recessed toward the front side of the rear enclosure framework 10 to form the accommodating space 102.

It can be understood that the front side of the rear surrounding skeleton 10 refers to the area of the rear surrounding skeleton close to the vehicle head; the wind penetration frame 15 is a frame having at least four sides and arranged between the second rear upper cross beam 13 and the rear lower cross beam 14, and is mainly used for bearing and installing the windshield glass 101; wherein, wind window skeleton 15 surface is sunken towards the front side of enclosing skeleton 10 after, because the back overhang is shorter, makes wind window glass antedisplacement and slope, is favorable to reducing the vehicle and encloses the regional negative pressure that forms behind the vehicle among the process of going, improves the easy dirt problem of raising dust, automobile body in the rear portion of vehicle, is favorable to increasing the interior daylighting degree of car and the penetrating sense in the passenger train car simultaneously.

The rear upper end of the protective cover 50 extends to be fixedly connected with the rear lower cross beam 14, so that the rear part of the vehicle is kept attractive while the protective cover is fixedly installed.

As an implementation manner, the upper side of the louver frame 15 and/or the second rear upper cross beam 13 is provided with a first limiting portion 151, and the lower side of the louver frame 15 and/or the rear lower cross beam 14 is provided with a second limiting portion 152, and the first limiting portion 151 and the second limiting portion 152 are used for limiting the louver glass 101.

It can be understood that the first limiting portion 151 and the second limiting portion 152 are used for limiting the windshield glass 101 mounted on the windshield frame 15, so as to ensure that the installation of the windshield glass 101 is stable and reliable, and avoid falling off and loosening.

The first limiting portion 151 may be disposed only on the upper side of the air window frame 15, or the first limiting portion 151 may be disposed on the second rear upper cross beam 13, or the first limiting portion 151 may be disposed on both the upper side of the air window frame 15 and the second rear upper cross beam 13; of course, the second limiting portion 152 may be only disposed on the lower side of the windshield frame 15, or the second limiting portion 152 may be only disposed on the rear lower beam 14, or the second limiting portion 152 may be disposed on both the lower side of the windshield frame 15 and the rear lower beam 14.

The first limiting portion 151 and the second limiting portion 152 may be framework structures similar to the windshield framework 15 or the rear frame 10, and certainly, the first limiting portion 151 and the second limiting portion 152 may also be any strip-shaped or plate-shaped structures, which is not limited in this embodiment of the application.

The first and second limiting portions 151 and 152 and the louver frame 15 or the rear frame 10 may be welded, screwed, or the like.

In an implementation manner, the rear wall frame 10 further includes an upper side beam 16 and a lower side beam 17, a reinforcing side column 18 is disposed between the upper side beam 16 and the lower side beam 17, and the reinforcing side column 18 is located in a region close to the windshield frame 15. The reinforcing side columns 18 are beneficial to improving the strength and rigidity of the rear wall framework 10, wherein the reinforcing side columns 18 are arranged on the left side and the right side of the rear wall framework 10, and one, two or more than two reinforcing side columns 18 can be arranged on each side, which is not limited in the present embodiment.

In an implementation manner, a diagonal bracing frame 19 is fixedly connected between the lower side sill 17 and the front side pillar 11, and the diagonal bracing frame 19 is located inside the protective cover 50.

The inclined strut frame 19 in the embodiment is used for supporting the lower part of the rear surrounding frame 10, and since the rear drive steering axle 40 is located below the lower side of the rear surrounding frame 10 and the wind window frame 15 and the wind window glass are arranged on the rear surrounding frame 10, the inclined strut frame 19 is beneficial to ensuring that the rear surrounding frame 10 has stable supporting force.

The inclined strut frame 19 may be a beam, two beams, or a combination of multiple beams, which is not limited in this embodiment.

As an alternative embodiment, the vehicle body structure further comprises a peripheral skin 100, which is formed above the upper side edge of the rear frame 10 and/or above the roof frame 30, and at least in some regions is in the same plane as the plane of the windshield 101.

The upper side of the rear surrounding framework 10 can be understood as the area of the rear surrounding framework 10 farthest from the ground, and correspondingly, the upper side of the rear surrounding framework 10 refers to the direction of the upper side of the rear surrounding framework 10 away from the ground; the upper side of the roof frame 30 means a direction in which the roof frame 30 is away from the ground. The outer skin 100 in this embodiment is useful for ensuring the aesthetic appearance of the exterior of the vehicle body structure, providing a platform or step for maintenance personnel to stand on.

Because the top cover framework 30 may need to be provided with components such as an air conditioner assembly, an installation space can be formed on the top cover framework 30, and the peripheral skin is arranged above the top cover framework 30, so that the components such as the air conditioner assembly arranged on the top cover framework 30 can be shielded, and the overall integrity and attractiveness of the vehicle body structure can be ensured.

As an implementable manner, the protective cover 50 may employ a glass fiber reinforced plastic member.

As shown in fig. 5 to 11, another embodiment of the present application provides a vehicle body structure, which is different from the above-described embodiments in that a ladder stand 70 is provided on the rear surrounding frame 10 of the vehicle body structure in this embodiment, one end of the ladder stand 70 is close to the roof frame 30, the other end of the ladder stand 70 extends in a direction away from the roof frame 30 and is located in a region close to the vehicle body frame, and the other end of the ladder stand 70 is provided with a support portion 71 in a direction toward the rear surrounding frame 10 for supporting the ladder stand.

Specifically, one end of the ladder stand 70 is connected to the outer portion of the roof frame 30 near the tail of the rear wall frame 10, but it is also possible that one end of the ladder stand 70 is connected to the top end of the rear wall frame 10 near the roof frame 30; the other end of the ladder stand 70 extends in a direction away from the roof frame 30, and the extending direction is consistent with the height direction of the vehicle body, so that an operator can reach the roof frame 30 through the ladder stand 70 from a lower position outside the vehicle. In order to improve convenience and safety, a step can be arranged at the rear surrounding framework 10, an operator can first reach the step and then reach the top cover framework 30 through the crawling ladder 70, the air conditioner assembly and the power battery pack which are installed on the top cover framework 30 can be conveniently installed or maintained, external equipment such as a forklift, a lifting machine or an external herringbone ladder is not needed, and convenience and safety of installation and maintenance operation are improved.

In order to further improve the installation stability of the ladder stand 70, a supporting portion 71 is arranged at the other end of the ladder stand 70 and extends towards the rear surrounding framework 10, when the ladder stand 70 is hung on the rear surrounding framework 10, the ladder stand 70 is supported, shaking of the ladder stand 70 in the using process is avoided, and safety is improved.

In a practical manner, the ladder stand 70 is provided with a bent portion 73 at one end thereof adjacent to the roof frame 30, and the ladder stand 70 is detachably attached to the rear surrounding frame 10 through the bent portion 73.

Specifically, the ladder stand 70 and the rear surrounding framework 10 or the roof framework 30 can be fixed in a fixed connection or a detachable connection manner. Preferably, one end of the ladder stand 70 is detachably connected with the back wall frame 10 or the top cover frame 30, a hanging part 72 is arranged on the top cover frame 30 or the back wall frame 10, the hanging part 72 can be a cross bar, a hook or other structures, and the connection mode of the hanging part 72 and the top cover frame 30 or the back wall frame 10 can be welding or bolt connection or other modes; a bending part 73 matched with the hanging part 72 is arranged at one end of the ladder stand 70, the bending part 73 is bent and extended from one end of the ladder stand 70 to form a hook structure, and when the ladder stand is used, the bending part 73 can be hung on the hanging part 72 to realize the fixation of the ladder stand 70; when the ladder stand 70 is not used, the ladder stand 70 can be detached and placed in a luggage compartment and an operation workshop of a vehicle, so that the driving safety is prevented from being influenced.

By adopting the matching between the hanging part 72 and the bending part 73, the flexibility of the operation place is very high, the operation can be carried out in a plurality of occasions such as a passenger car parking lot, a production and manufacturing or maintenance workshop and the like, and the flexibility, the safety and the convenience of the dismounting and the maintenance operation of the low-floor passenger car are improved.

In a realizable manner, a cushion 74 is provided at the joint of the support portion 71 and the rear surrounding frame 10, for abutting the support portion 71 and the rear surrounding frame 10.

Specifically, when the support portion 71 abuts against the rear surrounding frame 10, the support portion 71 is made of a rigid material, and the vehicle body is easily scratched, so that the cushion member 74 is provided between the support portion 71 and the rear surrounding frame 10, the cushion member 74 may have a structure of rubber, skid, or the like, and the cushion member 74 and the support portion 71 may be connected by adhesion. When the ladder stand 70 is hung on the rear surrounding framework 10, the buffer piece 74 can abut against the rear surrounding framework 10, the supporting part 71 is prevented from being directly in rigid contact with the rear surrounding framework, the vehicle body is prevented from being scratched, and the durability of the vehicle is improved.

In summary, the rear-drive steering axle is arranged on the outer side of the hexahedron of the vehicle body structure, so that the vehicle body structure is beneficial to realizing the whole vehicle structure arrangement mode of short rear overhang long wheelbase of the four-wheel-drive steering passenger vehicle, and large passenger capacity and riding comfort improvement are realized; the design margin space of the rear wheel of the vehicle can be improved, the rear wheel of the vehicle is not influenced by the side wall framework and the rear wall framework, the shape can be more three-dimensional and attractive, the containment of the rear wheel of the vehicle is better, and the splashing of muddy water in the driving process is reduced; the strength and the rigidity of the vehicle body structure are enhanced, the convex hull of the floor in the vehicle is eliminated, and the steering axle is convenient to maintain in daily life and drive after being disassembled and assembled; vibration, noise and the like which can be generated during the working of the vehicle are isolated, so that the passenger area in the carriage is quieter and more comfortable; when the vehicle is collided backwards, the rear driving steering axle can play a role of collision buffering, so that passengers in the carriage are safer;

in addition, the joints of the rear side of the side wall framework, the front side of the rear wall framework and the rear side of the top cover framework are positioned at the front side of the rear shaft of the vehicle, so that the arrangement of the windshield glass is facilitated to move forwards, the daylighting degree in the carriage is increased, and the permeability in the carriage of the passenger car is also increased; the installation of the vehicle door is facilitated; the possibility of increasing the radius of the corner is provided, and the problems that the rear part of the vehicle is easy to raise dust, the vehicle body is easy to be dirty and the like due to the fact that the radius of the corner of the traditional passenger vehicle is too small and negative pressure is generated in the rear surrounding area of the vehicle are solved.

In a second aspect, an embodiment of the present application provides a vehicle including the vehicle body structure of the first aspect. The vehicle of the embodiment may be a bus, a large bus (e.g., a travel bus), or the like, and the vehicle of the embodiment may be an electric vehicle, a hybrid vehicle, or a fuel vehicle, or the like. Those skilled in the art will appreciate that the vehicle has all of the features and advantages of the body structure previously described herein and will not be redundantly described here. Generally speaking, the vehicle of this embodiment has great passenger capacity, and passenger experience feels good, handsome in appearance's advantage.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (14)

1. The automobile body structure, its characterized in that encloses skeleton, side wall skeleton, top cap skeleton and vehicle bottom frame after including, after enclose the skeleton the side wall skeleton with fixed connection between the top cap skeleton, the side wall skeleton with vehicle bottom frame fixed connection, fixedly connected with rear drive steering axle on the vehicle bottom frame, rear drive steering axle is located the rear of side wall skeleton rear side edge just is located after enclose the below of skeleton below side.

2. The vehicle body structure according to claim 1, wherein a protective cover is provided on an outer cover of the rear-drive steering axle, the protective cover being fixedly connected to the rear surrounding frame, the protective cover being provided to shield a rear wheel of the vehicle and the rear-drive steering axle.

3. The vehicle body structure according to claim 2, wherein the junction of the rear side frame front side with the side frame rear side and the roof frame rear side, respectively, is located on the front side of the rear axle.

4. The vehicle body structure of claim 3, wherein the rear side frame includes a front side pillar and a front upper cross member fixedly connected to each other, the side frame includes a rear side pillar, the roof frame includes a first rear upper cross member, the front side pillar is fixedly connected to the rear side pillar and the front upper cross member is fixedly connected to the first rear upper cross member, forming a rear door pillar of the vehicle body structure.

5. The vehicle body structure of claim 4, wherein the rear wall frame comprises a second rear upper cross beam and a rear lower cross beam, a window frame is arranged between the second rear upper cross beam and the rear lower cross beam, an accommodating space for installing window glass is formed on the window frame, and the surface of the window frame is formed by sinking towards the front side of the rear wall frame.

6. The vehicle body structure according to claim 5, wherein a first limiting portion is provided on an upper side of the windshield frame and/or the second rear upper cross member, and a second limiting portion is provided on a lower side of the windshield frame and/or the rear lower cross member, the first limiting portion and the second limiting portion being configured to limit the windshield glass.

7. The vehicle body structure of claim 5, wherein the rear panel frame further comprises a top side rail and a bottom side rail, and a reinforcing side pillar is disposed between the top side rail and the bottom side rail, the reinforcing side pillar being located in a region adjacent to the windshield frame.

8. The vehicle body structure of claim 7, wherein a bracing frame is fixedly connected between the lower side sill and the front side pillar, and the bracing frame is located inside the protective cover.

9. The vehicle body structure of claim 5, further comprising a peripheral skin formed over an upper side of the rear panel and/or over the roof panel, wherein at least a portion of the peripheral skin is coplanar with the plane of the windshield.

10. The vehicle body structure according to any one of claims 2 to 9, wherein the protective cover is a glass fiber reinforced plastic member.

11. The vehicle body structure of any one of claims 1 to 9, wherein a ladder stand is further arranged on the rear wall framework, one end of the ladder stand is close to the roof framework, the other end of the ladder stand extends in a direction away from the roof framework and is positioned in a region close to the vehicle chassis, and a support part is arranged at the other end of the ladder stand in a direction towards the rear wall framework and is used for supporting the ladder stand.

12. The vehicle body structure according to claim 11, wherein the ladder stand is provided with a bent portion at an end thereof near the roof frame, and the ladder stand is detachably attached to the rear panel frame through the bent portion.

13. The vehicle body structure according to claim 11, wherein a cushion member is provided at a connection of the support portion and the rear surrounding frame for abutting the support portion with the rear surrounding frame.

14. A vehicle characterized by comprising a vehicle body structure according to any one of claims 1-13.

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