CN115535085A - A connection structure and new energy automobile for split type automobile body - Google Patents

A connection structure and new energy automobile for split type automobile body Download PDF

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Publication number
CN115535085A
CN115535085A CN202211292636.9A CN202211292636A CN115535085A CN 115535085 A CN115535085 A CN 115535085A CN 202211292636 A CN202211292636 A CN 202211292636A CN 115535085 A CN115535085 A CN 115535085A
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CN
China
Prior art keywords
connection
vehicle body
bolt
connecting beam
area
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CN202211292636.9A
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Chinese (zh)
Inventor
王旭
张在长
张润祺
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IAT Automobile Technology Co Ltd
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IAT Automobile Technology Co Ltd
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Priority to CN202211292636.9A priority Critical patent/CN115535085A/en
Publication of CN115535085A publication Critical patent/CN115535085A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D24/00Connections between vehicle body and vehicle frame

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention provides a connecting structure for a split type automobile body and a new energy automobile, wherein the split type automobile body comprises an upper automobile body and a lower automobile body which are independent; the upper vehicle body and the lower vehicle body are flexibly connected through a connecting structure, and the power assembly and the driving assembly are integrated on the lower vehicle body, so that the lower vehicle body can independently drive; the connecting structure comprises a plurality of screw connection groups and bonding groups; wherein, the interface region position and the structure of spiro union group at lower automobile body keep the uniformity to the motorcycle type is expanded to the different upper automobile body of adaptation realization motorcycle type. The embodiment of the invention provides a connecting structure for a split type vehicle body, which is characterized in that power and driving related assemblies are arranged on a lower vehicle body, a connecting mode of screw connection and gluing is adopted, the upper vehicle body and the lower vehicle body are separately designed, the position and the structure of an interface area of the lower vehicle body are kept consistent through a screw connection group, and the interface positions of the upper vehicle body and the lower vehicle body do not need to be changed when the same-level vehicle type is expanded, so that the cost input is reduced, and the research and development period is shortened.

Description

A connection structure and new energy automobile for split type automobile body
Technical Field
The invention relates to the field of automobile manufacturing and research and development, in particular to a connecting structure for a split type automobile body and a new energy automobile.
Background
Simply speaking, the platform of the automobile is that part of the size of the automobile body structure is universal on the same basic framework, and the purpose of meeting the design of a plurality of automobile types is achieved by adjusting other transverse and longitudinal sizes and equipping different configurations. The design of platformization can reduce the cost, shortens the research and development cycle, simplifies production and design step, can improve the automobile research and development advanced technology of steady quality performance simultaneously because there is local structure uniformity with platform car type to can share a large amount of spare parts, the use of a large amount of general parts has reduced spare part manufacturing cost, has improved the profit of enterprise, and then shortens the research and development cycle.
However, the existing platform technology generally has the following problems: the upper and lower automobile bodies are mostly fixedly connected through welding and cannot be separated, namely, the lower automobile body cannot independently run, the upper automobile body cannot be independently replaced, and when the automobile type is expanded, the connecting interface structures and the positions of the upper automobile body and the lower automobile body are required to be redesigned, so that the expansion convenience is poor.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention provides a connecting structure for a split type automobile body and a new energy automobile, and aims to solve the technical problems in the background art.
In the X, Y, and Z directions mentioned herein, the X direction refers to the longitudinal direction of the vehicle, the Y direction refers to the transverse direction of the vehicle, and the Z direction refers to the vertical direction.
A first aspect of the invention provides a connecting structure for a split type vehicle body, which includes an upper vehicle body and a lower vehicle body that are independent; the upper vehicle body and the lower vehicle body are flexibly connected through a connecting structure, and the power assembly and the driving assembly are integrated on the lower vehicle body, so that the lower vehicle body can independently drive; the connecting structure comprises a plurality of screw connection groups and bonding groups; wherein, the interface region position and the structure of spiro union group at lower automobile body keep the uniformity to the motorcycle type is expanded to the different upper automobile body of adaptation realization motorcycle type.
In a further scheme of the application, the screw joint components are respectively and correspondingly arranged in a front cabin area, a front torque box area, a front wall area, a battery pack area, a rear torque box area and a trunk floor area of a lower vehicle body; according to the different of the bolt connection group in the lower vehicle body area, the bolt connection group adopts rivet nuts with different specifications.
In a further scheme of the application, the part of the upper vehicle body, corresponding to the front cabin area, comprises an auxiliary anti-collision beam and a shotgun assembly, the shotgun assembly is of a cantilever type structure arranged along the X direction, the outward end of the shotgun assembly is in an open design, and the auxiliary anti-collision beam is transversely connected to the open of the shotgun assembly; the bolt connection group comprises a first bolt connection unit, the first bolt connection unit comprises a first connection beam, a second connection beam and a third connection beam, the first connection beam and the second connection beam are respectively connected to the shotgun assembly, the third connection beam is connected to the auxiliary anti-collision beam, and the first connection beam, the second connection beam and the third connection beam are vertically arranged and extend in the direction of a lower vehicle body; the front cabin area comprises a front anti-collision beam and a front longitudinal beam, and the first screw joint unit comprises a first connection point position arranged on the front anti-collision beam and the front longitudinal beam; the first connecting beam, the second connecting beam and the third connecting beam correspond to each other through the connecting point positions of the front anti-collision beam and the front longitudinal beam to realize screw connection.
As will be understood, the Shotgun assembly in the present application refers to a longitudinal beam for mounting a front fender on a vehicle, and is disposed on the outermost side of a nacelle; the anti-collision beam is a device which is used for reducing the absorption of collision energy when a vehicle is collided by a lower body; the sub-impact beam assembly refers to an assembly additionally installed in a front cabin of an automobile for absorbing energy.
In a further scheme of the application, the first connecting beam is an arc-shaped rod, the second connecting beam is a straight rod in the z direction, and the third connecting beam is a straight rod inclined along the x direction; the upper surfaces of the first connecting beam and the front longitudinal beam are in bolt connection on an xy plane, the upper surfaces of the third connecting beam and the front anti-collision beam are in bolt connection on the xy plane, and the side surfaces of the second connecting beam and the front longitudinal beam are in bolt connection on an xz plane; the first connecting beam and the third connecting beam are locked at the joint through the connecting lug seat.
In an optional scheme of the present application, the bolt connection set further includes a second bolt connection unit, and the second bolt connection unit includes a second connection point location disposed in the front torque box region, where the second connection point location is on the yz plane and is sequentially arranged along the z direction.
In an optional scheme of this application, the spiro union group still includes the third spiro union unit, and the third spiro union unit is including setting up the third connection point position in preceding regional, and wherein the third connection point position is on xy plane and arrange along the y to in proper order.
In an optional aspect of the present application, the screw connection set further includes a fourth screw connection unit, and the fourth screw connection unit includes a fourth connection point located in the battery pack region, where the fourth connection point is located on the outer frame of the battery region.
In an optional scheme of the present application, the bolt connection set further includes a fifth bolt connection unit, and the fifth bolt connection unit includes a fifth connection point location disposed in the rear torque box region, where the fifth connection point location is on the yz plane and is sequentially arranged along the z direction.
In an optional scheme of this application, the spiro union group still includes the sixth spiro union unit, and the sixth spiro union unit is including setting up the sixth connection point position in suitcase floor area, and wherein the fifth connection point position arranges in proper order in xy plane.
The invention provides a new energy automobile, which comprises an upper automobile body and a lower automobile body, wherein the upper automobile body and the lower automobile body are independently designed, and the new energy automobile further comprises the connecting structure.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a connecting structure for a split type vehicle body, wherein a power and driving related assembly is arranged on a lower vehicle body, a connecting mode of screw connection and gluing is adopted, the separate design of the upper vehicle body and the lower vehicle body is realized, the consistency of the position and the structure of an interface area of the lower vehicle body is kept through a screw connection group, and when the same-level vehicle type is expanded, the interface positions of the upper vehicle body and the lower vehicle body do not need to be changed or changed in a small scale, so that the cost investment is reduced, and the research and development period is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an upper body of a split body provided by an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a lower body of the split body provided in the embodiment of the present invention;
FIG. 3 is a connection topology diagram of a connection structure provided by an embodiment of the present invention;
FIG. 4 is a partial structural schematic view of a third attachment beam and a front impact beam attachment provided in accordance with an embodiment of the present invention;
FIG. 5 is a partial schematic structural view of a second tie beam and front rail connection provided in accordance with an embodiment of the present invention;
FIG. 6 is a partial schematic structural view of a first attachment beam and a front rail attachment provided in accordance with an embodiment of the present invention;
fig. 7 is a layout diagram of a second screw unit in a front torque box area according to an embodiment of the present invention;
fig. 8 is a layout of a third screw unit in a front area provided in an embodiment of the present invention;
fig. 9 is a layout of a fourth screw unit provided in the embodiment of the present invention in a battery pack region;
fig. 10 is a layout view of a fourth screw unit in a lower cross member of a seat provided in the embodiment of the present invention;
fig. 11 is a layout diagram of a fifth bolting unit in the rear torque box area according to the embodiment of the present invention;
fig. 12 is a layout diagram of a sixth screw unit provided in the embodiment of the present invention in the rear torque box region;
reference numerals
100. A connecting structure; 200. split type automobile body
101. Screwing the assembly; 102. Bonding groups;
201. an upper body; 202. A lower vehicle body;
1011. a first screw connection unit; 1012. A second screw connection unit;
1013. a third screwing unit; 1014. A fourth screw connection unit;
1015. a fifth screw connection unit; 1016. A sixth screwing unit;
2021. a front cabin area; 2022. A front torque box area;
2023. a front wall area; 2024. A battery pack region;
2025. a rear torque box area; 2026. A trunk floor area;
1011a, a first connecting beam; 1011b, a second connecting beam;
1011c, a third connecting beam; 2021a, a front impact beam;
2021b, front longitudinal; 2011. A secondary impact beam;
2012. the shotgun module.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more apparent, the invention is further described below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting, as those of ordinary skill in the art will recognize.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The invention provides a general invention concept aiming at the problems in the prior art, and aims to solve the technical problems that an upper vehicle body and a lower vehicle body cannot be separated and the expansibility is poor in the traditional vehicle body in the prior art, so that the invention provides a split vehicle body and a connecting structure of the split vehicle body, and aims to realize the expansion in the vehicle type direction by only changing the type of the white vehicle body of the upper vehicle body through the same lower vehicle body structure.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an upper body 201 of a split body 200 according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of a lower body 202 of the split body 200 according to the embodiment of the present invention, and fig. 3 is a connection topology diagram of a connection structure 100 according to the embodiment of the present invention.
The embodiment of the invention provides a connecting structure 100 for a split type vehicle body 200;
in the embodiment of the present invention, the split body 200 includes an upper body 201 and a lower body 202 which are independent; the upper body 201 and the lower body 202 are flexibly connected by the connecting structure 100;
wherein the power assembly and the running assembly are integrated in the lower body 202, so that the lower body 202 can be separated from the upper body 201 to realize an independent running function;
further, the connecting structure 100 comprises a plurality of screwing groups 101 and bonding groups 102, the screwing groups 101 achieve constraint positioning and fixed connection of the upper vehicle body 201 and the lower vehicle body 202, the bonding groups 102 can be coated at gaps of the upper vehicle body 201 and the lower vehicle body 202, and sealing performance of the automobile is guaranteed while fixed connection is achieved;
the bolt joint group 101 is consistent in the position of the interface area of the lower vehicle body 202 and the structure, so that the bolt joint group is adapted to different upper vehicle bodies 201 to realize vehicle type expansion.
Carry out reasonable arranging through connection structure 100 between lower automobile body 202 and last automobile body 201 promptly, all can not produce the differentiation to the position and the connection form of different motorcycle type connection structure 100 for go up automobile body 201 and the flexible connection of automobile body 202 down and possess high expansibility, when carrying out the research and development on the motorcycle type and expanding, can realize the position uniformity of same level motorcycle type expansion interface, reduce the cost input, shorten the research and development cycle.
In the embodiment of the present invention, the screwing group 101 is respectively disposed in the front cabin region 2021, the front torque box region 2022, the front wall region 2023, the battery pack region 2024, the rear torque box region 2025 and the trunk floor region 2026 of the lower body 202; according to different areas of the bolt assembly 101 connected to the lower vehicle body 202, the bolt assembly 101 adopts rivet nuts with different specifications.
It can be understood that the screwing group 101 is respectively and correspondingly arranged in a front cabin area 2021, a front torque box area 2022, a front wall area 2023, a battery pack area 2024, a rear torque box area 2025 and a trunk floor area 2026 on the lower vehicle body, and the above areas are reasonable arrangement areas of screwing interface points, so that the consistency of the interface positions is realized.
In the embodiment of the present invention, the main body of the upper body 201 is a steel skeleton, and the local parts are connected by an aluminum bracket in a transition manner; the lower vehicle body 202 is of an all-aluminum structure, wherein a front energy absorption area of the front cabin area 2021 is of an aluminum profile structure, a main structure of the longitudinal beam is an aluminum casting, and front and rear torsion box areas are also aluminum castings, so that the lightweight design of the vehicle body is ensured and the structural strength is met.
The following is specifically set forth with respect to each region:
[ front cabin zone 2021 ]
Referring to fig. 1 to 6, fig. 4 is a partial structural schematic view of a connection between a third connecting beam 1011c and a front impact beam 2021a according to an embodiment of the present invention; fig. 5 is a partial structural schematic view of the connection between the second connecting beam 1011b and the front longitudinal beam 2021b according to the embodiment of the present invention; fig. 6 is a partial structural schematic view of the connection between the first connecting beam 1011a and the front longitudinal beam 2021b according to the embodiment of the present invention.
The front cabin region 2021 is a core region of the entire vehicle, and related assemblies such as an electric drive assembly, a cooling system, a suspension system, and a special system are required to be installed in a limited space of the front cabin region 2021. At the same time, the strength and stability of the connection is also ensured, whereby the arrangement of the connection 100 in the front cabin region 2021 is particularly important.
In the embodiment of the invention, in order to ensure the structural strength on the basis of a split type vehicle body, the front region of the upper vehicle body 201 corresponding to the front cabin region 2021 comprises a secondary collision-prevention beam 2011 and a shotgun assembly 2012, the shotgun assembly 2012 is a cantilever type structure arranged along the X direction, one end of the shotgun assembly 2012 facing outwards is in an open design, and two ends of the secondary collision-prevention beam 2011 are respectively connected with the shotgun assemblies 2012 at the left and the right so as to be transversely connected at the open of the shotgun assembly 2012.
It can be understood that secondary impact beam 2011 is a device used for reducing the impact energy absorbed when the vehicle is collided, and can effectively absorb the impact energy when the vehicle is collided at a low speed, disperse the received impact force to the shotgun assembly 2012 along the X direction, reduce the damage of the impact force to the driving cab as far as possible, and realize the protective action on the vehicle.
In the embodiment of the present invention, the screw joint group 101 includes a first screw joint unit 1011, and the first screw joint unit 1011 includes a first connection beam 1011a, a second connection beam 1011b connected to the shotgun assembly 2012, and a third connection beam 1011c connected to the secondary anti-collision beam 2011;
the first connecting beam 1011a, the second connecting beam 1011b and the third connecting beam 1011c are vertically arranged and extend in the direction of the lower vehicle body 202;
further, the first connecting beam 1011a is an arc-shaped rod, the second connecting beam 1011b is a straight rod in the z-direction, and the third connecting beam 1011c is a straight rod inclined in the x-direction.
Further, the front cabin area 2021 of the lower body 201 includes a front impact beam 2021a and a front longitudinal beam 2021b, and the first screwing unit 1011 includes a first connection point (not labeled) provided at the front impact beam 2021a and the front longitudinal beam 2021 b; the first connecting beam 1011a, the second connecting beam 1011b and the third connecting beam 1011c are screwed correspondingly through the first connecting points of the front anti-collision beam 2021a and the front longitudinal beam 2021 b.
It can be understood that the front impact beam 2021a and the front longitudinal beam 2021b are respectively made of steel and aluminum castings, so that the structural strength of connection can be ensured, the front impact beam 2021a and the front longitudinal beam 2021b can be realized without other modifications, and the connection between the front impact beam 2021a and the front longitudinal beam 2021b does not form interference of other assemblies.
The upper surfaces of the first connecting beam 1011a and the front longitudinal beam 2021b are in threaded connection on the xy plane, the upper surfaces of the third connecting beam 1011c and the front anti-collision beam 2021a are in threaded connection on the xy plane, and the side surfaces of the second connecting beam 1011b and the front longitudinal beam 2021b are in threaded connection on the xz plane;
specifically, the first connecting beam 1011a and the third connecting beam 1011c are locked at the joint by the connecting lug, and the second connecting beam 1011b and the outer side surface of the front side member 2021b are brought into contact and fixed by a screw from the y direction. Thereby play the firm effect of connection when the installation is fixed, guarantee the stability of connecting and avoid taking place relative movement, reduce the vibrations of automobile body.
[ front torsion Box area 2022 ]
Referring to fig. 7, fig. 7 is a layout diagram of the second screwing unit 1012 in the front torque box region 2022 according to the embodiment of the present invention;
the screw joint group 101 further includes a second screw joint unit 1012, and the second screw joint unit 1012 includes a second connection point position disposed in the front torque box region 2022, wherein the second connection point position is located on the yz plane and arranged in sequence along the z direction.
[ front bounding region 2023 ]
Referring to fig. 8, fig. 8 is a layout diagram of a third screw unit 1013 in a front region 2023 according to an embodiment of the present invention;
the bolt connection group 101 further includes a third bolt connection unit 1013, and the third bolt connection unit 1013 includes a third connection point located in the front wall region 2023, where the third connection point is located on the xy plane and sequentially arranged along the y direction.
[ cell pack region 2024 ]
Referring to fig. 9 and 10, fig. 9 is a layout of a fourth screw unit 1014 in a battery pack region 2024 according to the embodiment of the present invention, and fig. 10 is a layout of the fourth screw unit 1014 in a lower cross member 2024a of a seat according to the embodiment of the present invention;
the screw coupling group 101 further includes a fourth screw coupling unit 1014, and the fourth screw coupling unit 1014 includes a fourth connection point provided on the battery pack region 2024, wherein the fourth connection point is on the outer frame of the battery pack region 2024.
The battery pack region 2024 further includes a lower seat cross member 2024a disposed on the upper cover of the battery pack, and the fourth connecting points are further distributed on the lower seat cross member 2024a along the y-direction.
[ Back torsion Box area 2025 ]
Referring to fig. 11, fig. 11 is a layout diagram of a fifth screw unit 1015 in a rear torque box region 2025 according to an embodiment of the present invention.
The screwing group 101 further includes a fifth screwing unit 1015, and the fifth screwing unit 1015 includes fifth connection points disposed in the rear torque box region 2025, wherein the fifth connection points are located on the yz plane and are sequentially arranged along the z direction.
[ luggage floor area 2026 ]
Referring to fig. 12, fig. 12 is a layout diagram of the sixth screwing unit 1016 in the rear torsion box region 2026 according to the embodiment of the present invention.
The bolt assembly further comprises a sixth bolt unit 1016, and the sixth bolt unit 1016 comprises a sixth connection point located in the luggage compartment floor region 2026, wherein the fifth connection point is sequentially arranged in the xy-plane.
In summary, the embodiment of the invention provides a connection structure for a split type vehicle body, a power and driving related assembly is arranged on a lower vehicle body, a connection mode of screw connection and gluing is adopted, the separate design of the upper vehicle body and the lower vehicle body is realized, the consistency of the position and the structure of an interface area of the lower vehicle body is kept through a screw connection group, and the interface positions of the upper vehicle body and the lower vehicle body are not required to be changed when the same-level vehicle type is expanded, so that the cost input is reduced, and the research and development period is shortened.
Further, it should be understood by those skilled in the art that, if the connection structure 100 and the new energy vehicle thereof provided by the embodiment of the present invention are provided, all or part of the sub-modules involved are combined and replaced by fusing, simple changing, mutual changing, and the like, for example, the components are placed and moved; or the products formed by the components are integrally arranged; or a detachable design; it is within the scope of the present disclosure that any combination of components may be combined into a device/apparatus/system having the specified functionality, and it is within the scope of the present disclosure to replace the corresponding components of the present disclosure with such a device/apparatus/system.
The embodiment of the invention also provides a new energy automobile, which comprises the upper automobile body 201 and the lower automobile body 202, and further comprises a connecting structure 100 for the upper automobile body 201 and the lower automobile body 202.
The new energy automobile is not limited to the forms of range extending, oil mixing, pure electricity and the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A connecting structure for a split type vehicle body is characterized in that,
the split type vehicle body comprises an upper vehicle body and a lower vehicle body which are independent; the upper vehicle body and the lower vehicle body are flexibly connected through the connecting structure, and the power assembly and the running assembly are integrated on the lower vehicle body, so that the lower vehicle body can run independently;
the connecting structure comprises a plurality of screw connection groups and bonding groups;
the bolt joint group keeps consistency in the position and the structure of the interface area of the lower automobile body, so that the bolt joint group is adaptive to different upper automobile bodies to realize automobile type expansion.
2. The connection structure according to claim 1,
the screw joint group is respectively and correspondingly arranged in a front cabin area, a front torque box area, a front wall area, a battery pack area, a rear torque box area and a trunk floor area of the lower vehicle body;
according to the difference that the bolt connection group is in the region that the lower automobile body is connected, the bolt connection group adopts rivet nuts of different specifications.
3. The connection structure according to claim 2,
the upper vehicle body comprises a secondary anti-collision beam and a shotgun assembly corresponding to the front cabin area, the shotgun assembly is of a cantilever type structure arranged along the X direction, one outward end of the shotgun assembly is in an open design, and the secondary anti-collision beam is transversely connected to the opening of the shotgun assembly;
the bolt joint group comprises a first bolt joint unit, the first bolt joint unit comprises a first connecting beam, a second connecting beam and a third connecting beam, the first connecting beam and the second connecting beam are respectively connected to the shotgun assembly, the third connecting beam is connected to the auxiliary anti-collision beam, and the first connecting beam, the second connecting beam and the third connecting beam are vertically arranged and extend towards the direction of the lower vehicle body;
the front cabin area comprises a front anti-collision beam and a front longitudinal beam, and the first bolt joint unit comprises a first connection point position arranged on the front anti-collision beam and the front longitudinal beam; the first connecting beam, the second connecting beam and the third connecting beam are in corresponding connection with each other through first connecting points of the front anti-collision beam and the front longitudinal beam to achieve screw connection.
4. The connection structure according to claim 2,
the first connecting beam is an arc-shaped rod, the second connecting beam is a straight rod in the z direction, and the third connecting beam is a straight rod inclined in the x direction;
the upper surfaces of the first connecting beam and the front longitudinal beam are in bolt connection on an xy plane, the upper surfaces of the third connecting beam and the front anti-collision beam are in bolt connection on the xy plane, and the side surfaces of the second connecting beam and the front longitudinal beam are in bolt connection on an xz plane;
the first connecting beam and the third connecting beam are locked at the joint through a connecting lug.
5. The connection structure according to claim 2,
the bolt connection group further comprises a second bolt connection unit, the second bolt connection unit comprises second connection point positions arranged in the front torsion box area, and the second connection point positions are arranged on the yz plane in sequence along the z direction.
6. The connection structure according to claim 2,
the bolt connection group further comprises a third bolt connection unit, wherein the third bolt connection unit comprises a third connection point position arranged in the front wall area, and the third connection point position is arranged on the xy plane and sequentially arranged along the y direction.
7. The connection structure according to claim 2,
the bolt joint group further comprises a fourth bolt joint unit, the fourth bolt joint unit comprises a fourth connection point position arranged in the battery pack area, and the fourth connection point position is arranged on the outer frame of the battery area.
8. The connection structure according to claim 2,
the bolt connection group further comprises a fifth bolt connection unit, the fifth bolt connection unit comprises a fifth connection point position arranged in the rear torsion box area, and the fifth connection point position is arranged on the yz plane and is sequentially arranged along the z direction.
9. The connection structure according to claim 2,
the bolt joint group further comprises a sixth bolt joint unit, the sixth bolt joint unit comprises a sixth connection point position arranged in the floor area of the trunk, and the fifth connection point positions are sequentially arranged on the xy plane.
10. The utility model provides a new energy automobile which characterized in that includes:
the upper automobile body and the lower automobile body are independently designed;
the connecting structure according to any one of claims 1 to 9.
CN202211292636.9A 2022-10-20 2022-10-20 A connection structure and new energy automobile for split type automobile body Pending CN115535085A (en)

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Application Number Priority Date Filing Date Title
CN202211292636.9A CN115535085A (en) 2022-10-20 2022-10-20 A connection structure and new energy automobile for split type automobile body

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Application Number Priority Date Filing Date Title
CN202211292636.9A CN115535085A (en) 2022-10-20 2022-10-20 A connection structure and new energy automobile for split type automobile body

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Publication Number Publication Date
CN115535085A true CN115535085A (en) 2022-12-30

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CN (1) CN115535085A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024221158A1 (en) * 2023-04-24 2024-10-31 宁德时代(上海)智能科技有限公司 Upper vehicle body and vehicle
WO2024221156A1 (en) * 2023-04-24 2024-10-31 宁德时代(上海)智能科技有限公司 Lower vehicle body, chassis and vehicle
WO2024221157A1 (en) * 2023-04-24 2024-10-31 宁德时代(上海)智能科技有限公司 Vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024221158A1 (en) * 2023-04-24 2024-10-31 宁德时代(上海)智能科技有限公司 Upper vehicle body and vehicle
WO2024221156A1 (en) * 2023-04-24 2024-10-31 宁德时代(上海)智能科技有限公司 Lower vehicle body, chassis and vehicle
WO2024221157A1 (en) * 2023-04-24 2024-10-31 宁德时代(上海)智能科技有限公司 Vehicle

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