CN219601427U - Upper vehicle body and vehicle - Google Patents

Abstract

The utility model provides an upper vehicle body and a vehicle. The reinforcing structure comprises a body part, a first supporting part and a second supporting part, wherein the first supporting part and the second supporting part are connected to the body part, the body part is connected to the first cross beam and is attached to at least part of the wheel cover, and the first supporting part and the second supporting part are arranged side by side and are connected to the floor. In the embodiment of the utility model, the reinforcing structure is connected with the floor, the wheel cover and the first cross beam at the same time, so that the integral structural strength and torsional rigidity of the upper vehicle body are improved, the damage of a larger impact load to the vehicle structure can be resisted, and the use stability of the vehicle is improved.

Description

Upper vehicle body and vehicle

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to an upper vehicle body and a vehicle.

Background

With the development of vehicle technology, the requirements for the internal structural stability of vehicles are also increasing.

In existing vehicles, the vehicle interior is typically provided with a variety of different components to perform different functions. How to ensure that these parts can remain stable during the running of the vehicle and resist external impact has become an important research direction at present.

Disclosure of Invention

In view of the above, the present utility model provides an upper vehicle body and a vehicle, which can improve the reliability of the vehicle.

The embodiment of the utility model provides an upper vehicle body, which comprises a floor, a wheel cover, a first cross beam and a reinforcing structure, wherein the wheel cover is connected to the floor, and the first cross beam is arranged on the upper side of the floor. The reinforcing structure comprises a body part, a first supporting part and a second supporting part, wherein the first supporting part and the second supporting part are connected to the body part, the body part is connected to the first cross beam and is attached to at least part of the wheel cover, and the first supporting part and the second supporting part are arranged side by side and are connected to the floor.

In the scheme, the reinforcing structure is connected with the floor, the wheel cover and the first cross beam simultaneously, so that the overall structural strength and torsional rigidity of the upper vehicle body are improved, the damage of a large impact load to the vehicle structure can be resisted, and the use stability of the vehicle is improved. Simultaneously, the reinforcing structure is provided with two bifurcation structures of first branch portion and second branch portion, and two branch portions can both be connected with the floor realization to improve the joint strength of reinforcing structure in last automobile body, ensure when the vehicle receives the impact influence, reinforcing structure can effectively play the effect of resisting the impact, improve the reliability of vehicle.

In some embodiments, the upper body further includes a second cross member coupled to the first leg and conforming to the floor.

In the scheme, the structural strength of the floor position in the upper vehicle body can be improved due to the existence of the second cross beam, so that the support function can be better achieved, and the vehicle stability is improved.

In some embodiments, the upper body further includes a third cross member coupled to the second leg and conforming to the floor.

In the scheme, the second cross beam and the third cross beam are simultaneously attached to the floor, so that the structural strength of the floor in the vehicle can be further improved, a stronger supporting effect is achieved, and the integral rigidity of the vehicle is improved.

In some embodiments, the second beam is parallel to and spaced apart from the third beam.

In the above scheme, the second cross beam and the third cross beam are arranged at intervals, namely, a crossing area does not exist between the second cross beam and the third cross beam, and a certain gap space exists between the second cross beam and the third cross beam. For different vehicles, the structural layout of the vehicle interior is different, and the second cross beam and the third cross beam are arranged at intervals, so that the second cross beam and the third cross beam are beneficial to avoiding part of parts in the vehicle, and the assembly requirements of different parts are met. Meanwhile, compared with the scheme of arranging a beam structure with a larger size, the second beam and the third beam in the embodiment of the utility model can reduce consumable materials to a certain extent, and reduce the preparation cost of the vehicle while meeting the rigidity requirement of the vehicle.

In some embodiments, the first beam is parallel to the second beam.

In the scheme, the extending direction of the first cross beam is the same as the extending direction of the second cross beam, so that the structural layout of different cross beams in the upper vehicle body is the same, the arrangement layout of parts in the upper vehicle body is facilitated, the internal structure of the upper vehicle body is regular, and the use space of the passenger cabin in the vehicle is increased.

In some embodiments, the body portion includes a first portion attached to the wheel housing and a second portion extending in a thickness direction of the floor and connecting the first cross member and the first portion, and the first and second branch portions are disposed on a side of the first portion facing away from the second portion.

In the above scheme, the body part comprises a first part and a second part, and the existence of the body part can enable the reinforcing structure to be connected with the wheel cover and the first cross beam simultaneously so as to improve the structural reliability between the wheel cover and the first cross beam. Meanwhile, when the wheel cover or the first cross beam is affected by external force impact, the body part can play a role in stress transmission, and the risk of stress concentration at the wheel cover or the first cross beam is reduced.

In some embodiments, the first leg includes a third portion connected to the body portion and extending in the thickness direction of the floor, and a fourth portion connected to the third portion and covering the floor portion structure.

In the above-mentioned scheme, the fourth part can link to each other with the floor to make additional strengthening connect floor, wheel casing and first crossbeam simultaneously, and then can improve vehicle inner structure's reliability, when one of floor, wheel casing and first crossbeam receives external force impact, additional strengthening can play the effect of resisting the impact to a certain extent simultaneously, and can in transferring stress to other two, reduce the probability of taking place stress concentration, improve vehicle's life.

In some embodiments, the contoured edge of at least a portion of the structure in the body portion is the same as the contoured edge of the torsion beam mount.

In the scheme, the positioning and fixing between the reinforcing structure and the torsion beam mounting piece are facilitated, and the reliability of connection between the reinforcing structure and the torsion beam mounting piece is improved, so that the overall rigidity of the vehicle can be improved. Illustratively, the body portion is secured to the torsion beam mount by bolting, and the body portion is shaped to mate with a portion of the structure at the edge of the torsion beam mount to facilitate bolting of the two at the edge location.

In some embodiments, the reinforcing structure is welded to the floor. Optionally, the reinforcing structure is welded to the wheel cover. Optionally, the reinforcement structure is welded to the first cross member.

In the scheme, compared with other connection modes, the welding connection strength is relatively high, the requirement of the vehicle on the connection strength can be met, and meanwhile, the welding connection mode can ensure that the welding connection mode and the vehicle are tightly connected, so that effective transmission of stress is ensured, and the risk of stress concentration in the vehicle is reduced.

In a second aspect, an embodiment of the present utility model provides a vehicle including an upper body in any one of the foregoing embodiments.

In some embodiments, the vehicle further comprises a chassis comprising a lower body and a battery unit mounted to the lower body, the upper body and the lower body being removably connected.

In the scheme, the independent lower vehicle body is arranged, and the complete chassis system, the battery system and the driving system can be integrated on the lower vehicle body, so that the whole chassis can be independently designed and operated by the upper vehicle body, and the independent development and assembly of the whole vehicle driving part and the passenger cabin are realized.

In some embodiments, the chassis includes a strut disposed in the lower body, the strut being connected to a torsion beam located in the upper body.

In the scheme, the sliding column is integrated on the lower vehicle body, namely, the sliding column can be designed and installed independently of the upper vehicle body, and the design can improve the integration level of parts in the lower vehicle body and improve the stability of the sliding column. Meanwhile, the sliding column is connected with the torsion beam, so that the connection between the sliding column and an upper vehicle body is realized, and the running requirement of a vehicle is met.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments of the present utility model will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a schematic view of an exploded structure of a vehicle according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of the structure of an upper body according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the area Q in FIG. 2;

FIG. 4 is a schematic view of a portion of a further upper body provided in accordance with an embodiment of the present utility model;

fig. 5 is a schematic view of a part of a vehicle according to another embodiment of the present utility model.

In the accompanying drawings:

1. an upper vehicle body; 2. a lower vehicle body; 3. a connecting piece; 4. a sealing member; 5. a battery cell; 6. a chassis;

10. a floor; 20. a wheel cover; 30. a first cross beam; 40. a reinforcing structure; 41. a body portion; 411. a first portion; 412. a second portion; 42. a first leg; 421. a third section; 422. a fourth section; 43. a second leg; 50. a second cross beam; 60. a third cross beam; 70. torsion beam mounts; 80. a torsion beam; 90. a spool;

s, a passenger cabin; z, thickness direction.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present utility model, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present utility model, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present utility model, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present utility model, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present utility model.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The term "and/or" in the present utility model is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In the present utility model, the character "/" generally indicates that the front and rear related objects are an or relationship.

In the embodiments of the present utility model, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the utility model shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the utility model in any way.

The term "plurality" as used herein refers to two or more (including two).

During use of the vehicle, the impact load at the wheel house location in the vehicle is typically high. Since for some types of new energy automobiles, the load of the rear axle of the vehicle is generally greater due to the arrangement of the battery cells. Therefore, in order to ensure the reliability of the use of the vehicle, it is necessary to improve the structural strength at the wheel guard position of the vehicle to satisfy the use requirement of the vehicle.

In view of the above, the embodiment of the utility model provides a technical scheme, and the reinforcing structure is arranged, so that the torsional rigidity of the floor, the wheel cover and the first cross beam is improved, the probability of deformation dislocation is reduced, and the use reliability of the vehicle is improved.

The technical scheme described by the embodiment of the utility model is suitable for vehicles. The vehicle can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extended vehicle and the like.

Fig. 1 is an exploded view of a vehicle according to some embodiments of the present utility model.

As shown in fig. 1, the vehicle of the embodiment of the utility model includes an upper vehicle body 1, a lower vehicle body 2, and a connecting member 3, the upper vehicle body 1 and the lower vehicle body 2 being detachably connected by the connecting member 3.

The embodiment of the present utility model does not limit the type of the connection member 3; in some examples, the connector 3 may comprise a fastener; alternatively, the fastener may comprise at least one of a bolt, a nut, a stud, a screw, and a pin. In other examples, the connector 3 may comprise a clasp.

The number of the connecting members 3 may be one or a plurality.

In some examples, the connector 3 is a plurality. The plurality of connectors 3 may be the same type of member, for example, the plurality of connectors 3 are all bolts. Alternatively, the plurality of connectors 3 may employ various components, for example, a part of the connectors 3 is a bolt and a part of the connectors 3 is a screw.

By providing the connecting piece 3, the upper car body 1 and the lower car body 2 are split into two independent assemblies.

In the embodiment of the utility model, the upper vehicle body 1 and the lower vehicle body 2 are detachably connected through the connecting piece 3, and the upper vehicle body 1 and the lower vehicle body 2 can be separated, decoupled and connected through the dismounting connecting piece 3, so that the independent development of the upper vehicle body 1 and the lower vehicle body 2 is realized, the upper vehicle body 1 and the lower vehicle body 2 can be replaced according to requirements, the development period is shortened, and the cost is reduced.

One lower car body 2 can be matched with the upper car bodies 1 with different models, so that the requirements of users on model diversification are met.

In some embodiments, the connector 3 may be plural. The positions of the plurality of connection members 3 may be set according to the connection strength requirements of the upper body 1 and the lower body 2.

In some embodiments, the connector 3 comprises a bolt.

Illustratively, the plurality of connectors 3 is a plurality, at least some of the plurality of connectors 3 being bolts.

The bolt can be in threaded connection with the upper car body 1 or in threaded connection with the lower car body 2.

The bolts are high in standardization and easy to replace. The bolt connection mode is easy to disassemble and assemble, and is used for improving the assembly efficiency of the upper car body 1 and the lower car body 2.

The decoupling of the physical structures of the upper and lower bodies 1 and 2 can be achieved by connecting the upper and lower bodies 1 and 2 with bolts, as compared with the upper and lower bodies 1 and 2 connected by processes of welding, rotational tapping riveting (FDS), self-piercing riveting (SPR), bonding, and the like.

In some embodiments, one of the upper body 1 and the lower body 2 is provided with at least a through hole, and the other is provided with at least a threaded hole. The bolt passes through the through hole and is in threaded connection with the hole wall of the threaded hole.

In some examples, the upper body 1 is provided with a through hole and the lower body 2 is provided with a threaded hole; in other examples, the lower body 2 is provided with a through hole and the upper body 1 is provided with a threaded hole; in still other examples, the upper body 1 is provided with a through hole and a threaded hole, and the lower body 2 is also provided with a threaded hole and a through hole; alternatively, some bolts pass through the through holes of the upper body 1 and are screwed with the hole walls of the screw holes of the lower body 2, and other bolts pass through the through holes of the lower body 2 and are screwed with the hole walls of the screw holes of the upper body 1.

Through the through hole and the threaded hole, the bolt can be convenient for detachably connecting the upper car body 1 and the lower car body 2.

In some embodiments, the bolts extend in the height direction of the vehicle.

The height direction of the vehicle may be the height direction of the vehicle in a running state.

For example, the central axis of the bolt, the central axis of the through hole, and the central axis of the screw hole may be parallel to the height direction.

The installation direction of the bolts can be the height direction of the vehicle, so that the bolts can be conveniently disassembled and assembled.

In some embodiments, the upper body 1 is provided with a nut provided with a threaded hole and intended to be screwed with a bolt. Alternatively, the nut may comprise a hex flange face nut.

Illustratively, the upper body 1 may include an upper body sheet metal part and a nut, which may be welded to the upper body sheet metal part.

In some embodiments, the lower body 2 is provided with a nut. The nut is provided with a threaded hole and is used for being in threaded connection with the bolt. Alternatively, the nut may comprise a hex flange face nut.

Illustratively, the lower body 2 may include a lower body sheet metal part and a nut, which may be welded to the lower body sheet metal part.

In some embodiments, the vehicle further comprises a sealing member 4, the sealing member 4 being sandwiched between the upper vehicle body 1 and the lower vehicle body 2.

The embodiment of the present utility model does not limit the manner in which the sealing member 4 achieves sealing, for example, the sealing member 4 may achieve sealing by compression deformation; alternatively, the sealing member 4 may be sealed by bonding or the like.

The embodiment of the utility model does not limit the material of the sealing member 4; illustratively, the sealing member 4 may be made of an elastically compressible material, such as rubber, foam, or the like. Alternatively, the sealing member 4 may be cured by a gel.

The sealing part 4 can realize the sealing between the upper vehicle body 1 and the lower vehicle body 2, reduce the impurity entering the passenger cabin S, improve the passenger experience and improve the reliability of the vehicle.

In some embodiments, the sealing member 4 may have the advantages of dust prevention, water resistance, sound insulation, wear resistance, convenient maintenance, and the like.

In some embodiments, the sealing member 4 surrounds the passenger compartment S of the vehicle.

The passenger compartment S may be a space surrounded by the upper vehicle body 1 and the lower vehicle body 2 for a passenger to sit in. Illustratively, seats, armrests, and the like may be disposed in the passenger compartment S.

The annular sealing member 4 can increase the sealing area, space the passenger compartment S from the external environment, reduce foreign matters entering the passenger compartment S through between the upper vehicle body 1 and the lower vehicle body 2, improve the passenger experience, and improve the reliability of the vehicle.

In some embodiments, the sealing member 4 is adhered to the lower vehicle body 2.

In some examples, the lower body 2 may be rubberized and then the sealing member 4 bonded to the lower body 2; in an alternative example, the sealing member 4 may comprise a back adhesive, which may be directly adhered to the lower vehicle body 2.

According to the embodiment of the utility model, when the upper vehicle body 1 and the lower vehicle body 2 are assembled and disassembled, the offset of the sealing part 4 is reduced, the dislocation of the sealing part 4 is reduced, and the assembly efficiency is improved; in addition, the sealing member 4 is bonded to the lower vehicle body 2, and the sealing performance can be improved.

In some embodiments, the material of the sealing member 4 comprises ethylene propylene diene monomer EPDM (Ethylene Propylene Diene Monomer).

The ethylene propylene diene monomer rubber has strong rebound force and good sealing performance.

In some embodiments, the vehicle further comprises a battery cell 5, the battery cell 5 being connected to the lower body 2.

The battery cell 5 may be the smallest unit capable of independently achieving charge and discharge. The battery cell 5 may include a lithium ion secondary battery cell, a lithium sulfur battery cell, a sodium lithium ion battery cell, a sodium ion battery cell, a magnesium ion battery cell, or the like, which is not limited in the embodiment of the present utility model. The battery cell 5 may be in a cylindrical shape, a flat shape, a rectangular parallelepiped shape, or other shapes, etc., which is not limited in the embodiment of the present utility model. The battery cells 5 are generally divided into three types in a package manner: the cylindrical battery cell, the square battery cell and the soft package battery cell are not limited in this embodiment.

According to the embodiment of the utility model, the battery monomer 5 is arranged on the lower vehicle body 2, so that the lower vehicle body 2 can be used as a battery box body function at the same time, thereby reducing the partial redundant structure of the traditional battery, improving the endurance mileage of the vehicle and achieving the effects of weight reduction and cost reduction.

In some embodiments, the battery cell 5 is preassembled on the lower body 2 before the upper body 1 and the lower body 2 are assembled.

Since the battery cell 5 is already mounted to the lower vehicle body 2 before the upper and lower vehicle bodies 1 and 2 are assembled, when the upper and lower vehicle bodies 1 and 2 are connected, sealing is achieved by adopting a scheme of welding, glue baking, or the like, and the battery cell 5 is easily damaged. The embodiment of the utility model adopts the sealing part 4 to realize sealing, so that the risk of damaging the battery cells 5 can be reduced in the process of assembling the upper vehicle body 1 and the lower vehicle body 2.

In some embodiments, the vehicle includes a chassis 6, the chassis 6 including the lower body 2 and the battery cell 5.

In some embodiments, the chassis 6 may also include a drive system and a chassis system including a transmission system, a travel system, a steering system, and a braking system. The drive system may include a motor.

According to the embodiment of the utility model, the battery unit 5 is integrated on the chassis 6, so that CTC (Cell to Chassis) battery chassis integration is realized.

According to the embodiment of the utility model, the battery system, the driving system and the chassis system are integrated, so that the number of parts is reduced, the space is saved, the structural efficiency is improved, the vehicle weight is greatly reduced, and the battery endurance mileage is increased.

The chassis 6 of the embodiment of the utility model has high adaptability, improves the matching degree with the whole vehicle, and can be rapidly and flexibly produced in batch. The chassis 6 is highly integrated and modularized, and can adapt to various levels and types of vehicle types in the future in a cross-platform manner. Meanwhile, due to high integration and modularization, the number of parts and production steps are simplified better, and the battery capacity and the endurance mileage are improved while the cost is reduced.

By providing the independent lower vehicle body 2, a complete chassis system, a battery system and a driving system can be integrated on the lower vehicle body 2, so that the whole chassis 6 can be designed and operated independently of the upper vehicle body 1, and the independent development and assembly of the whole vehicle driving part and the passenger cabin S are realized.

In some embodiments, the vehicle further includes a vehicle interior, a man-machine interaction system, and an entertainment system mounted to the upper body 1. The embodiment of the utility model can independently develop the whole vehicle interior trim, the man-machine interaction system and the entertainment system independently of the chassis 6.

Next, the structure of the upper body 1 will be described with reference to the drawings in the embodiments of the present utility model.

Referring to fig. 1 to 3, the upper body 1 includes a floor 10, a wheel cover 20, a first cross member 30, and a reinforcement structure 40, the wheel cover 20 is connected to the floor 10, and the first cross member 30 is disposed on an upper side of the floor 10. The reinforcing structure 40 includes a main body 41, and a first leg 42 and a second leg 43 connected to the main body 41, wherein the main body 41 is connected to the first beam 30 and covers at least a portion of the wheel cover 20 in a fitting manner, and the first leg 42 and the second leg 43 are disposed side by side and connected to the floor 10.

The floor 10, the wheel house 20 and the first cross member 30 are integrated in the upper body 1, and the floor 10 is the basis of the vehicle and mainly plays a role in supporting other parts of the upper body 1 and personnel and objects in the vehicle. Illustratively, the floor 10 is located near the rear of the vehicle.

The wheel cover 20 can protect the tire and other components. Illustratively, the upper vehicle body 1 includes two wheel covers 20, and the two wheel covers 20 are provided separately on both sides in the vehicle width direction and located near the rear of the vehicle.

The first cross member 30 is disposed above the floor 10 and spaced apart from the floor 10, and the spacing distance between the first cross member 30 and the floor 10 is required to be determined according to the overall size shape of the actual vehicle, which is not limited in the embodiment of the present utility model. The first beam 30 serves as a support, and the first beam 30 may be part of a structure of a vehicle-mounted object table for supporting an object in the vehicle.

The reinforcing structure 40 is disposed in the upper vehicle body 1, and the reinforcing structure 40 includes at least three parts, namely, a body 41, a first support 42 and a second support 43, where the body 41, the first support 42 and the second support 43 may be an integral structure or a split structure and connected integrally by welding or other manners, which is not limited in the embodiment of the present utility model.

The body 41 connects the first cross member 30 and the wheel cover 20 at the same time, and since the first cross member 30 and the wheel cover 20 are spaced apart from each other by a predetermined distance in the thickness direction Z of the floor panel 10, the body 41 needs to have a predetermined dimension in the thickness direction Z so that the first cross member 30 and the wheel cover 20 can be connected at the same time. The connection relationship between the body 41 and the first beam 30, and the connection relationship between the body 41 and the wheel cover 20 may be, for example, welded, bonded, and bolted, which is not limited in this embodiment of the present utility model.

The body portion 41 also conforms to at least part of the structure of the wheel cover 20, and reference to "conforming" in the present embodiment refers to: the surface of the body portion 41 facing the wheel cover 20 can be matched with the surface of the wheel cover 20 so that the two are brought into close contact. By attaching the body 41 to at least part of the wheel cover 20, the connection reliability between the body 41 and the wheel cover 20 can be improved, and the probability of occurrence of misalignment and separation between the two can be reduced.

The first branch portion 42 and the second branch portion 43 are connected to the body portion 41, and the first branch portion 42 and the second branch portion 43 are disposed at intervals and side by side, and the first branch portion 42 and the second branch portion 43 are disposed side by side in the longitudinal direction of the vehicle, for example. Wherein the first and second branches 42, 43 each extend from the location of the wheel housing 20 to the location of the floor 10, thereby providing a connection between the reinforcing structure 40 and the floor 10. The connection relationship between the first leg 42 and the floor panel 10 and the connection relationship between the second leg 43 and the floor panel 10 may be, for example, welded, bonded, and bolted, which is not limited in this embodiment of the present utility model.

In the embodiment of the utility model, the reinforcing structure 40 connects the floor 10, the wheel cover 20 and the first cross beam 30 at the same time, so that the overall structural strength and torsional rigidity of the upper vehicle body 1 are improved, the damage of a larger impact load to the vehicle structure can be resisted, and the use stability of the vehicle is improved. Simultaneously, the reinforcing structure 40 is provided with two bifurcation structures of the first branch part 42 and the second branch part 43, and the two branch parts can be connected with the floor 10, so that the connection strength of the reinforcing structure 40 in the upper vehicle body 1 is improved, the reinforcing structure 40 can effectively play a role in resisting impact when the vehicle is impacted, and the reliability of the vehicle is improved.

In some embodiments, referring to fig. 1 to 4, the upper vehicle body 1 further includes a second cross member 50, and the second cross member 50 is connected to the first support portion 42 and is attached to the floor 10.

The second beam 50 is connected to the first support portion 42, and the first support portion 42 and the second beam 50 may be fixed by welding, bolting, or the like. The size, extending direction, etc. of the second cross member 50 are not limited in the embodiment of the present utility model. The extending direction of the second cross member 50 may be the same as the extending direction of the first cross member 30, or may intersect the extending direction of the first cross member 30.

The second beam 50 is attached to the floor 10, i.e. the second beam 50 is in contact with the floor 10, wherein the second beam 50 may be fixed to the floor 10 by means of bolts or welding or the like. In the embodiment of the utility model, the presence of the second cross member 50 can improve the structural strength of the upper vehicle body 1 at the position of the floor 10, thereby better supporting the vehicle and improving the stability of the vehicle.

In some embodiments, the upper body 1 further comprises a third cross member 60, the third cross member 60 being connected to the second leg 43 and conforming to the floor 10.

The third beam 60 is connected to the second support portion 43, and the second support portion 43 and the third beam 60 may be fixed by welding, bolting, or the like. The size, extending direction, etc. of the third beam 60 are not limited in the embodiment of the present utility model. The extending direction of the third beam 60 may be the same as the extending direction of the second beam 50, or may intersect the extending direction of the second beam 50.

The third beam 60 is attached to the floor 10, i.e. the third beam 60 is in contact with the floor 10, wherein the third beam 60 may be fixed to the floor 10 by means of bolts or welding or the like. It should be noted that, the third beam 60 may be connected to the second beam 50, or the third beam 60 may be spaced from the second beam 50, which is not limited in this embodiment of the present utility model.

In the embodiment of the utility model, the second beam 50 and the third beam 60 are simultaneously attached to the floor 10, so that the structural strength of the floor 10 in the vehicle can be further improved, a stronger supporting effect is realized, and the overall rigidity of the vehicle is improved.

In some embodiments, the second beam 50 is parallel to and spaced apart from the third beam 60.

The second beam 50 is parallel to the third beam 60, i.e. the extending direction of the second beam 50 is the same as that of the third beam 60, and both can improve the structural strength of the vehicle interior in the same direction, so as to better improve the overall rigidity of the vehicle.

In addition, the second beam 50 and the third beam 60 are spaced apart, i.e., there is no crossing area between the second beam 50 and the third beam 60, and a certain gap space exists between the two. For different vehicles, the structural layout of the vehicle interior is different, and the second beam 50 and the third beam 60 are arranged at intervals, so that the second beam 50 and the third beam 60 avoid part of parts in the vehicle, and the assembly requirement of different parts is met. Meanwhile, compared with the scheme of arranging a beam structure with a larger size, the second beam 50 and the third beam 60 in the embodiment of the utility model can reduce consumable materials to a certain extent, and reduce the preparation cost of the vehicle while meeting the rigidity requirement of the vehicle.

In some embodiments, the first beam 30 is parallel to the second beam 50. I.e. the first beam 30 extends in the same direction as the second beam 50. Optionally, the first beam 30, the second beam 50 and the third beam 60 are arranged in parallel two by two.

In the embodiment of the present utility model, since the extending direction of the first beam 30 is the same as the extending direction of the second beam 50, the structural layout of different beams in the upper vehicle body 1 is the same, so that the arrangement layout of the internal parts of the upper vehicle body 1 is facilitated, the internal structure of the upper vehicle body 1 is regular, and the use space of the passenger compartment in the vehicle is facilitated to be increased.

In some embodiments, as shown in fig. 2 and 3, the body portion 41 includes a first portion 411 that fits over the wheel cover 20, and a second portion 412 that extends along the thickness direction Z of the floor 10 and connects the first cross member 30 and the first portion 411, and the first leg 42 and the second leg 43 are disposed on a side of the first portion 411 facing away from the second portion 412.

The first portion 411 is attached to the wheel cover 20, that is, the surface of the first portion 411 facing the wheel cover 20 can be matched with the surface of the wheel cover 20, so that the first portion 411 and the wheel cover 20 can be in close contact, and meanwhile, the first portion 411 can be connected to the wheel cover 20 by adopting a welding or bolting mode or the like. The size and shape of the first portion 411 need be determined according to the specific size and shape of the wheel cover 20, which is not limited in the embodiment of the present utility model.

The second portion 412 is connected to the first portion 411, and the first portion 411 and the second portion 412 may be integrally formed, or may be integrally formed by welding or other means. The second portion 412 can extend in the thickness direction Z of the floor panel 10, i.e. the second portion 412 has a certain dimension in the height direction of the vehicle, so that the second portion 412 can extend to the position of the first cross member 30, whereby the connection between the body portion 41 and the first cross member 30 is achieved.

The first branch portion 42 and the second branch portion 43 are connected to the first portion 411, and the first branch portion 42 and the second branch portion 43 may be integrally formed with the first portion 411, or may be separately formed and connected by welding or the like. Both the first leg 42 and the second leg 43 are located on the side of the first portion 411 facing away from the second portion 412, i.e. on the side of the first portion 411 located further from the second portion 412.

In the implementation of the present utility model, the body portion 41 includes the first portion 411 and the second portion 412, and the presence of the body portion 41 enables the reinforcing structure 40 to connect the wheel cover 20 and the first cross member 30 at the same time, so as to improve the structural reliability between the wheel cover 20 and the first cross member 30. Meanwhile, when the wheel cover 20 or the first cross beam 30 is affected by external force impact, the body part 41 can play a role in stress transmission, and the risk of stress concentration at the wheel cover 20 or the first cross beam 30 is reduced.

In some embodiments, the first leg 42 includes a third portion 421 connected to the body portion 41 and extending in the thickness direction Z of the floor panel 10, and a fourth portion 422 connected to the third portion 421 and covering a portion of the structure of the floor panel 10.

The first branch portion 42 includes at least a third portion 421 and a fourth portion 422, where the third portion 421 extends along the thickness direction Z and is connected to the first portion 411 in the body portion 41, and the third portion 421 can be attached to the wheel cover 20, that is, the surface of the third portion 421 facing the wheel cover 20 matches with the surface of the wheel cover 20, so as to achieve tight contact therebetween.

The fourth portion 422 covers part of the structure of the floor panel 10, the fourth portion 422 may be connected to the floor panel 10 by welding or bolting, etc., and the second cross member 50 may be connected to the fourth portion 422 and disposed on a side of the fourth portion 422 remote from the third portion 421.

It should be noted that, the embodiment of the present utility model is not limited to the specific location and connection relationship between the third portion 421 and the fourth portion 422. Illustratively, the fourth portion 422 may extend in the width direction of the vehicle, i.e., the extending directions of the third portion 421 and the fourth portion 422 may be disposed of each other, and the third portion 421 and the fourth portion 422 may be of a unitary structure, or may be of a split structure and connected by welding or the like.

In the embodiment of the present utility model, the fourth portion 422 can be connected to the floor 10, so that the reinforcing structure 40 connects the floor 10, the wheel cover 20 and the first beam 30 at the same time, thereby improving the reliability of the internal structure of the vehicle, and when one of the floor 10, the wheel cover 20 and the first beam 30 is impacted by external force, the reinforcing structure 40 can play a role of resisting impact to a certain extent, and can transmit stress into the other two, thereby reducing the probability of stress concentration and prolonging the service life of the vehicle.

In some alternative embodiments, the structure of the second leg 43 may be identical to that of the first leg 42, both being arranged side by side and parallel in the vehicle length direction.

In some embodiments, referring to fig. 3 to 5, the upper vehicle body 1 further includes a torsion beam mounting member 70 disposed on a side of the wheel housing 20 facing away from the reinforcing structure 40, the body portion 41 is connected to the torsion beam mounting member 70, and a portion of the structure of the wheel housing 20 is sandwiched between the torsion beam mounting member 70 and the body portion 41.

The torsion beam mount 70 is used to effect the mounting of the torsion beam 80, wherein the torsion beam 80 may be located on a side of the torsion beam mount 70 facing away from the wheel housing 20. The torsion beam attachment 70 and the body portion 41 are located on both sides of the wheel cover 20, respectively, so that a part of the structure of the wheel cover 20 is sandwiched between the body portion 41 and the torsion beam attachment 70.

On this basis, the body 41 is connected to the torsion beam mounting member 70 according to the embodiment of the present utility model, and the body and the torsion beam mounting member may be connected by bolting or the like. This design enables the body portion 41 to be doubly connected to the torsion beam mount 70 and the wheel cover 20, thereby improving the positional reliability of the reinforcing structure 40. Meanwhile, the connection between the body part 41 and the torsion beam mounting piece 70 can play a role in limiting the wheel cover 20 to a certain extent, so that the probability of position deviation of the wheel cover 20 and the reinforcing structure 40 is reduced, and the shock resistance of the vehicle is improved.

In some embodiments, the contoured edge of at least a portion of the structure in the body portion 41 is the same as the contoured edge of the torsion beam mount 70.

The outline of the body portion 41 is at least partially identical to the outline of the torsion beam mount 70, and illustratively, the projected outline of the body portion 41 in the vehicle height direction at least partially overlaps with the projected outline of the torsion beam mount 70 in the vehicle height direction.

This design facilitates the positioning and fixing between the reinforcing structure 40 and the torsion beam mounting member 70, and improves the reliability of the connection therebetween, thereby enabling the overall rigidity of the vehicle to be improved. Illustratively, the body portion 41 is fixed to the torsion beam mount 70 by bolting, and the body portion 41 is matched in shape to the part of the structure at the edge of the torsion beam mount 70, thereby facilitating bolting of the two at the edge position.

In some embodiments, the reinforcing structure 40 is welded to the floor 10.

In the embodiment of the utility model, compared with other connection modes, the welding connection strength is relatively high, the requirement of the vehicle interior on the connection strength can be met, and meanwhile, the welding connection mode can ensure that the welding connection strength and the vehicle interior are tightly connected, so that effective transmission of stress is ensured, and the risk of stress concentration in the vehicle interior is reduced.

In some alternative embodiments, the reinforcing structure 40 is welded to the first beam 30.

In some alternative embodiments, the reinforcing structure 40 is welded to the wheel cover 20.

In a second aspect, an embodiment of the present utility model provides a vehicle including the upper body 1 in any one of the foregoing embodiments.

It should be noted that, the vehicle provided by the embodiment of the present utility model has the beneficial effects of the upper vehicle body 1 in any of the foregoing embodiments, and the specific content refers to the foregoing description of the beneficial effects of the upper vehicle body 1, which is not repeated herein.

In some embodiments, the vehicle further comprises a chassis 6, the chassis 6 comprising a lower body 2 and a battery cell mounted to the lower body 2, the upper body 1 and the lower body 2 being detachably connected.

The upper vehicle body 1 and the lower vehicle body 2 can be detachably connected through the connecting piece, and the battery monomer is installed on the lower vehicle body 2, so that the lower vehicle body 2 can be used as a battery box body simultaneously, thereby reducing the partial redundant structure of the traditional battery, improving the endurance mileage of the vehicle and achieving the effects of weight reduction and cost reduction.

In the embodiment of the utility model, the independent lower vehicle body 2 is arranged, and a complete chassis 6 system, a battery system and a driving system can be integrated on the lower vehicle body 2, so that the whole chassis 6 can be designed and operated independently of the upper vehicle body 1, and the mutually independent development and assembly of a whole vehicle driving part and a passenger cabin are realized.

In some embodiments, the chassis 6 includes a strut 90 provided to the lower body 2, the strut 90 being connected to a torsion beam 80 located in the upper body 1.

The strut 90 is for transmitting force and moment acting between the tire and the frame, and for buffering impact force transmitted to the vehicle due to uneven ground and the like, so as to achieve a shock-reducing effect. Typically, the spool 90 is mounted in the upper body 1, which results in difficult adjustment at the position of the spool 90 and lower stability when the upper body 1 is assembled with the lower body 2.

In the embodiment of the present utility model, the strut 90 is integrated on the lower vehicle body 2, that is, the strut 90 can be designed and installed independently of the upper vehicle body 1, which can improve the degree of integration of parts in the lower vehicle body 2 and improve the stability of the strut 90. Meanwhile, as shown in fig. 5, the strut 90 is connected to the torsion beam 80, so that the connection between the strut 90 and the upper vehicle body 1 is realized, and the running requirement of the vehicle is satisfied.

Referring to fig. 1 to 5, according to some embodiments of the present utility model, a vehicle includes an upper vehicle body 1 and a chassis 6, the upper vehicle body 1 includes a floor 10, a wheel cover 20, a first cross member 30, and a reinforcing structure 40, the wheel cover 20 is connected to the floor 10, the first cross member 30 is disposed on an upper side of the floor 10, the reinforcing structure 40 includes a body portion 41, and a first branch portion 42 and a second branch portion 43 connected to the body portion 41, the body portion 41 includes a first portion 411 fitted to the wheel cover 20, and a second portion 412 extending in a thickness direction Z of the floor 10 and connecting the first cross member 30 and the first portion 411, and the first branch portion 42 and the second branch portion 43 are disposed on a side of the first portion 411 facing away from the second portion 412.

The first support portion 42 and the second support portion 43 have the same structure, are arranged side by side and are connected to the floor 10, the second cross beam 50 is connected to the first support portion 42 and is attached to the floor 10, the third cross beam 60 is connected to the second support portion 43 and is attached to the floor 10, and the second cross beam 50 and the third cross beam 60 are arranged in parallel and at intervals. The first leg 42 includes a third portion 421 connected to the body 41 and extending in the thickness direction Z of the floor panel 10, and a fourth portion 422 connected to the third portion 421 and covering a part of the structure of the floor panel 10.

The upper vehicle body 1 further includes a torsion beam mounting member 70 provided on a side of the wheel housing 20 facing away from the reinforcing structure 40, the torsion beam 80 is connected to the torsion beam mounting member 70, the body portion 41 is connected to the torsion beam mounting member 70, and a part of the structure of the wheel housing 20 is sandwiched between the torsion beam mounting member 70 and the body portion 41. The edge profile of at least part of the structure in the body portion 41 is the same as the edge profile of the torsion beam mount 70.

The chassis 6 includes a lower body 2 and a battery cell mounted to the lower body 2, the lower body 2 and the upper body 1 are detachably connected, the chassis 6 includes a strut 90 provided to the lower body 2, and the strut 90 is connected to a torsion beam 80 in the upper body 1.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (13)

1. An upper vehicle body, comprising:

a floor;

a wheel cover connected to the floor;

the first cross beam is arranged on the upper side of the floor; and

the reinforcing structure comprises a body part, a first supporting part and a second supporting part, wherein the first supporting part and the second supporting part are connected to the body part, the body part is connected to the first cross beam and is attached to and covers at least part of the wheel cover, and the first supporting part and the second supporting part are arranged side by side and are connected to the floor.

2. The upper body of claim 1, further comprising a second cross member coupled to the first leg and conforming to the floor.

3. The upper body of claim 2, further comprising a third cross member coupled to the second leg and conforming to the floor.

4. The upper body of claim 3, wherein the second cross member is disposed parallel to and spaced apart from the third cross member.

5. The upper body of claim 2, wherein the first cross member is parallel to the second cross member.

6. The upper body according to claim 1, wherein the body portion includes a first portion fitted to the wheel house and a second portion extending in a thickness direction of the floor panel and connected to the first cross member and the first portion;

the first branch part and the second branch part are arranged on one side of the first part, which is away from the second part.

7. The upper body of claim 1, wherein the first leg includes a third portion connected to the body portion and extending in a thickness direction of the floor panel, and a fourth portion connected to the third portion and covering the floor panel portion structure.

8. The upper body of claim 1, further comprising a torsion beam mount disposed on a side of the wheel housing facing away from the reinforcement structure, the body portion being connected to the torsion beam mount, and a portion of the structure in the wheel housing being sandwiched between the torsion beam mount and the body portion.

9. The upper body of claim 8, wherein an edge profile of at least a portion of the structure in the body portion is the same as an edge profile of the torsion beam mount.

10. The upper body of claim 1, wherein the reinforcement structure is welded to the floor; and/or the number of the groups of groups,

the reinforcing structure is welded to the wheel cover; and/or the number of the groups of groups,

the reinforcing structure is welded to the first cross beam.

11. A vehicle comprising an upper body as claimed in any one of claims 1 to 10.

12. The vehicle of claim 11, further comprising a chassis including a lower body and a battery cell mounted to the lower body, the lower body and upper body being removably connected.

13. The vehicle of claim 12, wherein the chassis includes a strut disposed in the lower body, the strut being connected to a torsion beam located in the upper body.