CN220577034U - Vehicle with a vehicle body having a vehicle body support - Google Patents

Abstract

The application discloses vehicle, including last automobile body, lower automobile body and battery monomer, lower automobile body includes first longeron, goes up the automobile body and includes the second longeron, and second longeron detachably connects in first longeron. The battery monomer is connected in lower automobile body, and at least part of second longeron is located first longeron and deviates from the free one side of battery. In the technical scheme of this embodiment, with the second longeron of going up the automobile body and the first longeron interconnect of automobile body down, locate the battery monomer in the automobile body down to, locate between second longeron and the battery monomer with first longeron, can form double-deck protection through the range upon range of setting of first longeron and second longeron, the battery monomer receives the intensity from the side striking when reducing the vehicle collision, reduces the risk of battery monomer damage or explosion, improves the reliability of vehicle.

Description

Vehicle with a vehicle body having a vehicle body support

Technical Field

The present application relates to the field of vehicle manufacturing, and in particular to a vehicle.

Background

Along with the progress of the technological level and the improvement of the living standard of people, new energy automobiles are increasingly attracting attention from the market due to the advantages of clean energy, high intelligent degree and the like.

Currently, vehicles incorporate a battery as a power source, which is typically mounted on the chassis of the vehicle. How to improve the convenience of battery installation and the reliability of battery operation in the running process of a vehicle, etc. is also one of the important points of new energy vehicle research.

Disclosure of Invention

In view of the above, the present application provides a vehicle capable of improving convenience in battery installation and improving reliability of the battery during vehicle operation.

The application provides a vehicle, including last automobile body, lower automobile body and battery monomer, the lower automobile body includes first longeron, goes up the automobile body and includes the second longeron, and second longeron detachably connects in first longeron. The battery monomer is connected in lower automobile body, and at least part of second longeron is located first longeron and deviates from the free one side of battery.

In the technical scheme of this embodiment, with the second longeron of going up the automobile body and the first longeron interconnect of automobile body down, locate the battery monomer in the automobile body down to, locate between second longeron and the battery monomer with first longeron, can form double-deck protection through the range upon range of setting of first longeron and second longeron, the battery monomer receives the intensity from the side striking when reducing the vehicle collision, reduces the risk of battery monomer damage or explosion, improves the reliability of vehicle.

In some embodiments, the first stringer and the second stringer are detachably connected by a fastener. The structure can facilitate the installation convenience between the upper vehicle body and the lower vehicle body, and meanwhile, the battery monomer is arranged on the lower vehicle body, so that the battery monomer can be conveniently installed.

In some embodiments, the fastener comprises a bolt. The bolts are manufactured by standardized production, are simple to install and easy to replace, and can be firmly connected between the first longitudinal beam and the second longitudinal beam.

In some embodiments, the lower body includes two first stringers, a floor, and at least two first cross members, each first cross member connecting the two first stringers. The first longitudinal beam and the first transverse beam protrude from the lower surface of the floor. At least two first crossbeams, two first longerons and floor enclose and close and form the storehouse that holds that has the opening, and the opening is relative with the floor, and the battery monomer holds in holding the storehouse and is connected in the floor. The two first longitudinal beams, the floor and the at least two first transverse beams can be enclosed to form a structure with high structural strength and high stability, and a sufficient space is provided for the installation of the battery.

In some embodiments, the vehicle further comprises a fender connected to the first longitudinal beam and covering the opening. Through setting up the guard plate, the protection battery monomer reduces the pressure or the striking from the bottom that the battery monomer received in the vehicle driving.

In some embodiments, the vehicle further comprises a sealing member, at least a portion of which is clamped between the first longitudinal beam and the second longitudinal beam. By arranging the sealing part, the sealing performance between the upper vehicle body and the lower vehicle body is improved, sundries outside the vehicle are reduced to enter the passenger cabin, and the waterproof and noise-proof grades of the vehicle are improved.

In some embodiments, the first stringer includes a beam body and a connection. The beam body is arranged on one side of the second longitudinal beam along the first direction. The connecting portion extends along the direction of roof beam body towards the second longeron, and the terminal surface along the second direction is located to the second longeron to the connecting portion, and the second direction is perpendicular to first direction is equipped with the connecting hole on the connecting portion, and the bolt passes the connecting hole and is connected with the second longeron. Through set up connecting portion on the roof beam body, can provide the structural connection point for the bolt, guarantee the joint strength and the connection stability of fastener, through setting up connecting portion at the terminal surface of second longeron along the second direction, can realize the reliable and stable connection of bolt and second longeron to restrict first longeron and remove along the relative first longeron of second direction, guarantee simultaneously to go up and follow first direction relative fixation between the automobile body down.

In some embodiments, the beam body is an integral structure with the floor. The technical scheme can improve the assembly efficiency of the lower vehicle body.

In some embodiments, the beam body includes a shell and a stiffener. The housing has an interior cavity. The strengthening rib is located the inner chamber, and the strengthening rib divides into a plurality of buffering cavitys with the inner chamber. By arranging the reinforcing ribs in the inner cavity, on one hand, the probability of deformation of the shell can be reduced, and the structural strength of the shell is improved; on the other hand, the reinforcing rib forms the buffering cavity in the inner chamber, can absorb the impact that the vehicle side received, reduces the impact and the damage that the battery monomer received, reduces the probability that the battery monomer damaged or exploded, guarantees the stability of battery monomer operation to improve the reliability of vehicle.

In some embodiments, the first stringer further comprises a sealing plate comprising a connecting plate, a bend, and a connecting assembly. The connecting plate is arranged on the end face, far away from the connecting part, of the beam body along the second direction. And the bending part is formed by bending along the edge of the connecting plate and is connected with the second longitudinal beam. And the connecting assembly is used for realizing connection between the connecting plate and the beam body.

Through setting up and forming a stable junction surface between connecting plate and the first longeron, be fixed connection between kink and the first longeron, foretell structure can further improve the joint strength between first longeron and the second longeron, further guarantees the stability of connection. And set up the kink, become certain angle and buckle between kink and the connecting plate, can be convenient for first longeron remove along the relative second longeron of first direction, guarantee the convenience of going up automobile body and lower automobile body dismantlement.

In some embodiments, the sealing member is disposed between the connecting plate and the beam body, at least partially filling the gap between the beam body and the connecting plate, and the connecting assembly is disposed on a side of the sealing member facing the receiving bin. Through setting up sealing member between connecting plate and roof beam body, can realize effectual sealing to the installation clearance between last automobile body and the lower automobile body, improve vehicle noise control and waterproof performance.

In some embodiments, the second longitudinal beam comprises a first beam body and a mounting portion, the first beam body being provided on one side of the first longitudinal beam in the first direction; the installation department extends along the direction of first roof beam body towards first longeron, and the terminal surface along the second direction of first longeron is located to the installation department, and first direction perpendicular to second direction is equipped with the mounting hole on the installation department, and the bolt passes the mounting hole and is connected with first longeron. According to the structure, the first beam body and the second longitudinal beam are stacked, so that double-layer protection can be formed on the battery cell, and damage to the battery cell caused by external impact is effectively reduced; further, through setting up the installation department and carrying out stable connection with first roof beam body and first longeron, improve the stability that first longeron and second longeron are connected, guarantee last automobile body and lower automobile body joint strength, further guarantee battery monomer's reliability.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is an exploded schematic view of a vehicle provided in some embodiments of the present application;

FIG. 2 is a schematic top view of a lower body and seal member of a vehicle provided in some embodiments of the present application;

FIG. 3 is a schematic partial cross-sectional view of an upper body and a lower body of a vehicle provided in some embodiments of the present application;

fig. 4 is a schematic partial cross-sectional view of an upper body and a lower body of a vehicle according to further embodiments of the present application.

Detailed description of the reference numerals

1. An upper vehicle body; 101. a first stringer; 102. a sealing plate; 103. a connecting plate; 104. a bending part; 105. a first beam body; 106. a mounting part; 107. a connection assembly; 2. a lower vehicle body; 21. a floor; 201. a second stringer; 202. a first cross beam; 203. a beam body; 204. a connection part; 205. a housing; 206. reinforcing ribs; 3. a sealing member; 4. an abutment region; 5. a passenger compartment; 6. a chassis; 7. a battery cell; 8. a fastener; 801. a bolt; 9. a receiving bin; 10. a protection plate; x, a first direction; y, second direction.

Detailed Description

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

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 application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. 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 application, 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 present application. 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 application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: 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 application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).

In the description of the embodiments of the present application, 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 describing the embodiments of the present application and for simplifying the description, rather than indicating or implying 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 application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to 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 application will be understood by those of ordinary skill in the art according to the specific circumstances.

From the development of market situation, along with the rapid development of automation and intelligence, electric vehicles are increasingly popular, and many people choose to purchase electric vehicles, so that virtuous circle market conditions are provided for the technology update of the electric vehicles. Therefore, how to shorten the development period and reduce the cost is also one research direction in the vehicle technology.

The application provides a vehicle, including last automobile body and lower automobile body, go up and connect through sealing member between automobile body and the lower automobile body, and then can realize the separation decoupling and the connection between last automobile body and the lower automobile body. Therefore, the upper car body and the lower car body can be independently developed, the research and development period is shortened, and the cost is reduced. In this embodiment, with the second longeron of going up the automobile body and the first longeron interconnect of automobile body down, locate the battery monomer in the automobile body down to, locate between second longeron and the battery monomer with first longeron, can form double-deck protection through the range upon range of setting of first longeron and second longeron, reduce the intensity that the battery monomer received from side striking when the vehicle crashes, reduce the risk that the battery monomer damaged or exploded, improve the reliability of vehicle

The technical scheme described in the embodiment of the application 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 schematic view of a vehicle provided in some embodiments of the present application; fig. 2 is a schematic top view of a lower body and a sealing member of a vehicle according to some embodiments of the present application.

As shown in fig. 1 to 2, the embodiment of the present application provides a vehicle including an upper vehicle body 1, a lower vehicle body 2, and a seal member 3. The lower body 2 is detachably attached to the upper body 1. An abutment region 4 is formed between the upper body 1 and the lower body 2. The seal member 3 is sandwiched between the upper vehicle body 1 and the lower vehicle body 2. At least part of the abutment region 4 is located on the side of the sealing member 3 remote from the vehicle passenger compartment 5.

The present embodiment does not limit the connection manner between the upper vehicle body 1 and the lower vehicle body 2. For example, the upper body 1 may be coupled to the lower body 2 by a snap fit, a fastener connection, or otherwise removably.

The passenger compartment 5 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, etc. are disposed in the passenger compartment 5.

The contact area is an area where the upper vehicle body 1 and the lower vehicle body 2 are pressed against and contact with each other, and the surface of the upper vehicle body 1 is bonded to the surface of the lower vehicle body 2 in the contact area.

The abutment region may be located entirely on the side of the sealing member 3 remote from the passenger compartment 5 of the vehicle, or may be located only partially on the side of the sealing member 3 remote from the passenger compartment 5 of the vehicle.

In the embodiment of the application, the upper vehicle body 1 and the lower vehicle body 2 are detachably connected to realize the separation and decoupling of the upper vehicle body 1 and the lower vehicle body 2, so that the upper vehicle body 1 can be replaced according to requirements, the period of an experience method is shortened, and the cost is reduced. The upper vehicle body 1 and the lower vehicle body 2 are attached to each other in the abutting area, so that external impurities such as liquid and solid particles can be prevented from entering the passenger cabin 5, the impact of the external impurities such as liquid and solid particles on the sealing component 3 is reduced, the fatigue aging of the sealing component 3 is delayed, and the sealing performance is improved. The sealing part 3 and the abutting area can realize the sealing between the upper vehicle body 1 and the lower vehicle body 2, reduce the impurity entering the passenger cabin 5, improve the passenger experience and improve the reliability of the vehicle.

In some embodiments of the present application, the vehicle includes a chassis 6, the chassis 6 including a lower body 2 and a battery cell 7 mounted to the lower body 2. The battery cell 7 is the smallest unit capable of independently achieving charge and discharge. The battery cell 7 may include a lithium ion secondary battery cell, a lithium ion primary battery cell, a lithium sulfur battery cell, a nano lithium ion battery cell, a sodium ion battery cell, a magnesium ion battery cell, or the like. The battery cell 7 may be in the shape of a cylinder, a flat body, a rectangular parallelepiped, or other shapes, etc. The battery cells 7 are classified into three types according to the packaging mode: cylindrical battery cells, prismatic battery cells, and pouch battery cells. The electrical drive, suspension, etc. of the vehicle are integrated on the chassis 6. The chassis 6 may be a skateboard chassis. The integration level of the chassis 6 is high, the research and development cost can be reduced, and the research and development period is shortened. The upper vehicle body 1 can be replaced according to the need, in other words, the chassis 6 can be adapted to various vehicle types. The embodiment of the application can easily realize the platform production of the vehicle.

The lower body 2 may further include a receiving chamber in which a plurality of battery cells 7 are received and fixed to the lower body 2. The lower vehicle body 2 includes a floor 21, and a plurality of battery cells 7 are positioned below the floor 21 and fixed to the floor 21. Alternatively, the battery cell 7 is adhered to the floor 21.

In some embodiments, the upper body 1 and the lower body 2 are removably connected by fasteners 8. For example, the fastener 8 may include at least one of a bolt, a stud, and a screw. The number of fasteners 8 may be plural.

In some embodiments, the abutment region includes a region where the upper vehicle body 1 and the lower vehicle body 2 abut in the height direction Z. The height direction Z of the vehicle may be the height direction of the vehicle in a running state. The mounting surface surrounds the outside of the passenger compartment 5. The annular mounting surface may provide stable support for the annular sealing member 3.

With continued reference to fig. 3 and 4, fig. 3 is a schematic partial cross-sectional view of an upper body 1 and a lower body 2 of a vehicle according to some embodiments of the present application. Fig. 4 is a schematic partial cross-sectional view of an upper body 1 and a lower body 2 of a vehicle according to other embodiments of the present application.

Referring to fig. 1 in combination, a vehicle provided in an embodiment of the present application includes an upper vehicle body 1, a lower vehicle body 2, and a battery cell 7. As shown in fig. 3, the lower body 2 includes a first side member 101, and the upper body 1 includes a second side member 201, the second side member 201 being detachably connected to the first side member 101. The battery cell 7 is connected to the lower body 2, and at least part of the second longitudinal beam 201 is located on the side of the first longitudinal beam 101 facing away from the battery cell 7.

In the technical scheme of this embodiment, with the second longeron 201 of going up automobile body 1 and the first longeron 101 interconnect of lower automobile body 2, locate battery monomer 7 in the lower automobile body 2 to, locate between second longeron 201 and the battery monomer 7 with first longeron 101, can form double-deck protection through the range upon range of setting of first longeron 101 and second longeron 201, reduce the intensity that battery monomer 7 received from the side striking when the vehicle collided, reduce the risk of battery monomer 7 damage or explosion, improve the reliability of vehicle.

In some embodiments of the present application, the first stringer 101 and the second stringer 201 are detachably connected by the fastener 8. Alternatively, the fastener 8 may comprise at least one of a bolt 801, a nut, a stud, a screw, and a pin. In other examples, the connector may include a clasp. The above-described structure can facilitate the convenience of installation between the upper vehicle body 1 and the lower vehicle, and the battery cell 7 is provided on the lower vehicle body 2, so that the battery cell 7 can be installed conveniently.

In some embodiments of the present application, the fastener 8 includes a bolt 801. The bolts 801 are manufactured by standardized production, are simple to install and easy to replace, and at the same time enable a firm connection between the first longitudinal beam 101 and the second longitudinal beam 201.

In some embodiments of the present application, the lower vehicle body 2 includes two first stringers 101, a floor 21, and at least two first cross members 202, each first cross member 202 connecting two first stringers 101. The first longitudinal beam 101 and the first transverse beam 202 protrude from the lower surface of the floor 21. At least two first cross members 202, two first longitudinal members 101 and a floor 21 enclose a receiving compartment 9 having an opening opposite to the floor 21, and a battery cell 7 is received in the receiving compartment 9 and connected to the floor 21.

Illustratively, the first stringer 101 and the second stringer 201 are fabricated from a material having a strength, such as an alloy, stainless steel, or the like. Two first longerons 101, floor 21 and two at least first crossbeams 202 can enclose and close and form the structure that structural strength is high, stability degree is high, and this application embodiment can utilize first longeron 101, first crossbeam 202 and floor 21 as the battery box, reducible traditional battery's partial redundant structure improves the continuation of journey mileage of vehicle, reaches the effect of subtracting heavy, fall and provides sufficient space for the installation of battery.

In some embodiments, the first longitudinal beam 101 and the first transverse beam 202 may be connected by CMT (Cold Metal Transfer) welding, rotational tapping riveting (FDS), self-piercing riveting (SPR), or the like.

In some embodiments of the present application, the vehicle further comprises a fender 10, the fender 10 being connected to the first longitudinal beam 101 and covering the opening. By providing the protection plate 10, the battery cell 7 is protected, and the pressure or impact from the bottom, which the battery cell 7 receives during the running of the vehicle, is reduced.

In some embodiments, the protection plate 10 is detachably connected to the first longitudinal beam 101, thereby facilitating maintenance of the battery cell 7.

In some embodiments, the fender 10 may be bolted to the first stringer 101.

In some embodiments, the shield 10 is connected to the first cross member 202. Optionally, the shielding plate 10 is connected to the first cross member 202 by bolts.

In some embodiments, the first beam 202 is three. The three first cross beams 202, the two first longitudinal beams 101 and the front floor 21 can be enclosed to form the two accommodating chambers 9, the three first cross beams 202 can improve the overall strength of the lower vehicle body 2, the deformation of the first longitudinal beams 101 is reduced when the vehicle is impacted laterally, the pressure born by the battery unit 7 is reduced, and the reliability is improved.

In some alternative embodiments, one of the first cross members 202 may be omitted, and two first cross members 202, two first stringers 101, and the front floor 21 may be utilized to enclose the receiving compartment 9.

In some embodiments of the present application, the vehicle further comprises a sealing member 3, at least part of the sealing member 3 being clamped between the first longitudinal beam 101 and the second longitudinal beam 201. By arranging the sealing part 3, the sealing performance between the upper vehicle body 1 and the lower vehicle body 2 is improved, sundries outside the vehicle are reduced to enter the passenger cabin, and the waterproof and noise-proof grades of the vehicle are improved.

The embodiment of the present application does not limit the manner in which the sealing member 3 achieves sealing, for example, the sealing member 3 may achieve sealing by compression deformation; alternatively, the sealing member 3 may be sealed by bonding or the like.

The embodiment of the present application does not limit the material of the sealing member 3; illustratively, the sealing member 3 may be made of an elastically compressible material, such as rubber, foam, or the like. Alternatively, the sealing member 3 may be cured by a gel. The sealing member 3 may have advantages of dust prevention, water prevention, sound insulation, wear resistance, convenient maintenance, and the like. The material of the sealing member 3 includes 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 of the present application, the first stringer 101 includes a beam body 203 and a connection 204. The beam body 203 is provided on one side of the second side member 201 in the first direction X. The connecting portion 204 extends along the direction of the beam body 203 towards the second longitudinal beam 201, the connecting portion 204 is arranged on the end face of the second longitudinal beam 201 along the second direction Y, the second direction Y is perpendicular to the first direction X, a connecting hole is formed in the connecting portion 204, and the bolt 801 penetrates through the connecting hole to be connected with the second longitudinal beam 201. Through set up connecting portion 204 on roof beam body 203, can provide the structural connection point for bolt 801, guarantee the joint strength and the connection stability of fastener 8, through setting up connecting portion 204 at the terminal surface of second longeron 201 along second direction Y, can realize the reliable and stable connection of bolt 801 and second longeron 201 to restrict second longeron 201 and remove along second direction Y relative first longeron 101, guarantee simultaneously and go up between the automobile body along first direction X relative fixation down.

In some embodiments of the present application, the beam body 203 is an integrally formed structure with the floor 21. The above technical solution can improve the assembly efficiency of the lower vehicle body 2.

In some embodiments of the present application, the beam body 203 includes a housing 205 and a stiffener 206. The housing 205 has an interior cavity. The reinforcing ribs 206 are disposed in the inner cavity, and the reinforcing ribs 206 divide the inner cavity into a plurality of buffer cavities. By arranging the reinforcing ribs 206 in the inner cavity, on one hand, the probability of deformation of the shell 205 can be reduced, and the structural strength of the shell 205 can be improved; on the other hand, the reinforcing ribs 206 form a buffer cavity in the inner cavity, so that the impact force received by the side surface of the vehicle can be absorbed, the impact and damage to the battery cell 7 are reduced, the probability of damage or explosion of the battery cell 7 is reduced, and the running stability of the battery cell 7 is ensured so as to improve the reliability of the vehicle.

With continued reference to fig. 3, in some embodiments of the present application, the first stringer 101 further includes a sealing plate 102, where the sealing plate 102 includes a connecting plate 103, a bending portion 104, and a connecting assembly 107. The connection plate 103 is provided on an end surface of the beam body 203 away from the connection portion 204 in the second direction Y. The bending portion 104 is formed by bending along the edge of the connecting plate 103, and the bending portion 104 is connected to the second side member 201. A connection assembly 107 for connecting the connection plate 103 and the beam body 203.

Through setting up and forming a stable junction surface between connecting plate 103 and the first longeron 101, be fixed connection between kink 104 and the second longeron 201, foretell structure can further improve the joint strength between first longeron 101 and the second longeron 201, further guarantees the stability of connection. In addition, the bending part 104 is arranged, and the bending part 104 and the connecting plate 103 are bent at a certain angle, so that the first longitudinal beam 101 can conveniently move relative to the second longitudinal beam 201 along the first direction X, and the convenience of disassembling the upper vehicle body 1 and the lower vehicle body 2 is ensured.

In some embodiments of the present application, the sealing member 3 is provided between the connection plate 103 and the beam body 203, at least partially filling the gap between the beam body 203 and the connection plate 103, and the connection assembly 107 is provided at the side of the sealing member 3 facing the receiving compartment 9. By disposing the sealing member 3 between the connection plate 103 and the beam body 203, effective sealing can be achieved for the installation gap between the upper vehicle body 1 and the lower vehicle body 2, and the noise preventing and waterproof performance of the vehicle can be improved.

Illustratively, the sealing member 3 is adhered to the lower vehicle body 2. In some examples, the lower body 2 may be rubberized and then the sealing member 3 bonded to the lower body 2; in an alternative example, the sealing member 3 may comprise a back adhesive, which may be directly adhered to the lower vehicle body 2.

As shown in fig. 4, in some embodiments of the present application, the second longitudinal beam 201 includes a first beam body 105 and a mounting portion 106, and the first beam body 105 is disposed on one side of the first longitudinal beam 101 along the first direction X; the mounting portion 106 extends along the direction of the first beam body 105 toward the first longitudinal beam 101, the mounting portion 106 is arranged on the end face of the first longitudinal beam 101 along the second direction Y, the first direction X is perpendicular to the second direction Y, mounting holes are formed in the mounting portion 106, and the bolts 801 penetrate through the mounting holes to be connected with the first longitudinal beam 101. In the structure, the first beam body 105 and the first longitudinal beam 101 are laminated, so that double-layer protection can be formed on the battery cell 7, and damage to the battery cell 7 caused by external impact is effectively reduced; further, the first beam body 105 and the first longitudinal beam 101 are stably connected through the installation part 106, so that the stability of connection between the first longitudinal beam 101 and the second longitudinal beam 201 is improved, the connection strength of the upper vehicle body 1 and the lower vehicle body 2 is ensured, and the reliability of the battery cell 7 is further ensured.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with other technical solutions, which may not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (12)

1. A vehicle, characterized by comprising:

a lower body including a first longitudinal beam;

the upper car body comprises a second longitudinal beam which is detachably connected with the first longitudinal beam; and

and the battery monomer is connected with the lower car body, and at least part of the second longitudinal beam is positioned at one side of the first longitudinal beam, which is away from the battery monomer.

2. The vehicle of claim 1, wherein the first and second stringers are detachably connected by fasteners.

3. The vehicle of claim 2, wherein the fastener comprises a bolt.

4. A vehicle according to claim 3, wherein the lower body comprises two of the first stringers, a floor panel and at least two first cross members, each of the first cross members connecting two of the first stringers;

the first longitudinal beam and the first transverse beam protrude from the lower surface of the floor;

the at least two first cross beams, the two first longitudinal beams and the floor are enclosed to form a containing bin with an opening, the opening is opposite to the floor, and the battery unit is contained in the containing bin and connected to the floor.

5. The vehicle of claim 4, further comprising a fender connected to the first rail and covering the opening.

6. The vehicle of claim 4, further comprising a sealing member at least a portion of which is sandwiched between the first rail and the second rail.

7. The vehicle of claim 6, wherein the first rail comprises:

the beam body is arranged at one side of the second longitudinal beam along the first direction;

the connecting part extends along the direction of the beam body towards the second longitudinal beam, the connecting part is arranged on the end face of the second longitudinal beam along the second direction, the second direction is perpendicular to the first direction, a connecting hole is formed in the connecting part, and the bolt penetrates through the connecting hole and is connected with the second longitudinal beam.

8. The vehicle of claim 7, wherein the beam body is of unitary construction with the floor.

9. The vehicle of claim 7, wherein the beam body comprises:

a housing having an interior cavity;

the reinforcing ribs are arranged in the inner cavity and divide the inner cavity into a plurality of buffer cavities.

10. The vehicle of claim 7, wherein the first rail further comprises a sealing plate comprising:

the connecting plate is arranged on the end face of the beam body, which is far away from the connecting part, along the second direction,

a bending part which is formed by bending along the edge of the connecting plate and is connected with the second longitudinal beam,

and the connecting assembly is used for connecting the connecting plate and the beam body.

11. The vehicle of claim 10, wherein the sealing member is disposed between the connecting plate and the beam body, at least partially filling a gap between the beam body and the connecting plate, and the connecting assembly is disposed on a side of the sealing member facing the receiving compartment.

12. The vehicle of any of claims 4-11, characterized in that the second rail comprises:

the first beam body is arranged at one side of the first longitudinal beam along the first direction;

the installation department, along the first roof beam body orientation the direction of first longeron extends, the installation department is located the terminal surface of first longeron along the second direction, first direction perpendicular to the second direction, be equipped with the mounting hole on the installation department, the bolt passes the mounting hole and with first longeron is connected.