CN113879396A - Chassis structure and electric automobile - Google Patents
Chassis structure and electric automobile Download PDFInfo
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- CN113879396A CN113879396A CN202111237430.1A CN202111237430A CN113879396A CN 113879396 A CN113879396 A CN 113879396A CN 202111237430 A CN202111237430 A CN 202111237430A CN 113879396 A CN113879396 A CN 113879396A
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- 238000001816 cooling Methods 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 14
- 238000004378 air conditioning Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/08—Understructures, i.e. chassis frame on which a vehicle body may be mounted built up with interlaced cross members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
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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 utility model relates to a chassis structure and electric automobile, including a plurality of chassis modules and a plurality of coupling assembling, each chassis module includes the chassis frame, be equipped with the connecting hole on the chassis frame, the connecting hole on two adjacent chassis frames is worn to locate respectively at each coupling assembling's both ends, in order to connect a plurality of chassis frame as an organic whole, this application is through dividing into a plurality of chassis modules with traditional integral chassis structure, assemble each system on the car respectively on each chassis frame earlier in the assembling process, then wear to locate the connecting hole on two adjacent chassis frames respectively through coupling assembling's both ends, in order to assemble first chassis module, second chassis module and third chassis module and form the vehicle chassis, really realize the modularization assembly of vehicle chassis, the assembly efficiency has been promoted greatly, and then the vehicle chassis structure of the integral structure among the prior art is complicated, Heavy weight, inconvenient assembly and influence the assembly efficiency of the automobile.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to a chassis structure and an electric automobile.
Background
As is well known, electric vehicles have good environmental protection advantages, and can not only adjust the existing energy structure, but also protect the environment, and the development of electric vehicles has become a consensus of governments and automobile industries in various countries.
At present, the whole vehicle framework of the electric vehicle is mostly the framework which continues the traditional internal combustion engine chassis, and is an integral structure, the arrangement of each system is designed on the basis of the traditional internal combustion engine chassis, although the integrity of the traditional internal combustion engine chassis is good, the assembly efficiency of the vehicle is influenced because the integral structural vehicle chassis is complex in structure, heavy in weight and inconvenient to assemble.
Disclosure of Invention
Therefore, it is necessary to provide a chassis structure and an electric vehicle to solve the problems of complex structure, heavy weight, inconvenient assembly and influence on the assembly efficiency of the vehicle chassis with an integral structure in the prior art.
The embodiment of the application provides a chassis structure, includes: each chassis module comprises a chassis frame, and a connecting hole is formed in the chassis frame; and the two ends of each connecting component penetrate through the connecting holes in the two adjacent chassis frames respectively so as to connect the chassis frames into a whole.
In one embodiment, the chassis structure includes a first chassis module, a second chassis module, and a third chassis module; the first chassis module comprises a first chassis frame and a front suspension system arranged on the first chassis frame; the second chassis module comprises a second chassis frame and an air conditioning system arranged on the second chassis frame; the third chassis module comprises a third chassis frame and a rear suspension system arranged on the third chassis frame, and two ends of the second chassis frame are respectively connected with the first chassis frame and the third chassis frame through corresponding connecting holes.
In one embodiment, the first chassis module further comprises a steering system, the steering system being provided on the first chassis frame.
In one embodiment, the second chassis module further comprises a cooling system, a power battery cooling module, a storage battery, an all-in-one controller, a high-voltage box and at least one power battery pack, wherein the cooling system, the power battery cooling module, the storage battery, the all-in-one controller, the high-voltage box and the at least one power battery pack are arranged on the second chassis frame.
In one embodiment, the high-voltage box is electrically connected with the power battery pack, and the high-voltage box is used for powering off when the power battery pack is in short circuit so as to protect the power battery pack.
In one embodiment, the second chassis module further comprises a charging port provided on the second chassis frame, the charging port being electrically connected to the high voltage box, the charging port being configured to enable charging of the power battery pack by an external power source.
In one embodiment, the third chassis module further comprises an electric drive axle assembly, the electric drive axle assembly being provided on the third chassis frame.
In one embodiment, the two opposite ends of the second chassis frame are respectively provided with a first connecting hole and a second connecting hole; a third connecting hole is formed in one end, close to the second chassis frame, of the first chassis frame, and the connecting assembly sequentially penetrates through the first connecting hole and the third connecting hole to connect the first chassis frame and the second chassis frame; and one end of the third chassis frame, which is close to the second chassis frame, is provided with a fourth connecting hole, and the connecting assembly sequentially penetrates through the second connecting hole and the fourth connecting hole to connect the third chassis frame and the second chassis frame.
In one embodiment, the first chassis frame and the third chassis frame are both in a trapezoidal frame structure, and the second chassis frame is in a truss structure.
The embodiment of the application also provides an electric automobile which comprises the chassis structure.
The utility model provides a chassis structure and electric automobile, including a plurality of chassis modules and a plurality of coupling assembling, each chassis module includes the chassis frame, be equipped with the connecting hole on the chassis frame, the connecting hole on two adjacent chassis frames is worn to locate respectively at each coupling assembling's both ends, in order to connect a plurality of chassis frame as an organic whole, this application is through dividing into a plurality of chassis modules with traditional integral chassis structure, assemble respectively on each chassis frame each system on the car earlier in the assembling process, then wear to locate the connecting hole on two adjacent chassis frames respectively through coupling assembling's both ends, in order to connect a plurality of chassis frame as an organic whole, and then assemble first chassis module, second chassis module and third chassis module and form vehicle chassis, really realize vehicle chassis's modularization assembly, has promoted assembly efficiency greatly, and then solved the vehicle chassis structure complicacy of integral structure among the prior art, Heavy weight, inconvenient assembly and influence the assembly efficiency of the automobile.
Drawings
Fig. 1 is a schematic structural diagram of a chassis structure provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a first chassis module of a chassis structure provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a second chassis module of the chassis structure provided in the embodiment of the present application;
fig. 4 is a schematic structural diagram of a third chassis module of the chassis structure provided in the embodiment of the present application;
fig. 5 is a schematic view of a connection structure between a first chassis frame and a second chassis frame of a chassis structure provided in an embodiment of the present application;
fig. 6 is a schematic view of a connection structure between a second chassis frame and a third chassis frame of a chassis structure provided in an embodiment of the present application.
Wherein: 100. a chassis template; 110. a first chassis module; 120. a second chassis module; 130. a third chassis module; 200. a chassis frame; 210. a first chassis frame; 220. a second chassis frame; 230. a third chassis frame; 211. a front suspension system; 212. a steering system; 221. an air conditioning system; 222. a cooling system; 223. a power battery cooling module; 224. a storage battery; 225. an all-in-one controller; 226. a high voltage box; 227. a power battery pack; 231. a rear suspension system; 232. an electric drive bridge assembly; 300. connecting holes; 310. a first connection hole; 320. a second connection hole; 330. a third connection hole; 340. a fourth connection hole; 510. a first bracket; 520. a second bracket; 530. a first connecting plate; 540. a second connecting plate; 400. a connecting assembly; 500. and (5) reinforcing ribs.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "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 present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
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 application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
At present, the whole vehicle framework of the electric vehicle is mostly the framework which continues the traditional internal combustion engine chassis, and is an integral structure, the arrangement of each system is designed on the basis of the traditional internal combustion engine chassis, although the integrity of the traditional internal combustion engine chassis is good, the assembly efficiency of the vehicle is influenced because the integral structural vehicle chassis is complex in structure, heavy in weight and inconvenient to assemble.
Fig. 1 is a schematic structural diagram of a chassis structure provided in an embodiment of the present application.
As shown in fig. 1, an embodiment of the present application provides a chassis structure, including a plurality of chassis modules 100 and a plurality of connecting assemblies 400, each chassis module 100 includes a chassis frame 200, a connecting hole 300 is disposed on the chassis frame 200, and both ends of each connecting assembly 400 respectively penetrate through the connecting holes 300 on two adjacent chassis frames 200 to connect the chassis frames 200 into a whole, the present application divides a conventional integrated chassis structure into a plurality of chassis modules 100, firstly respectively assembles systems on an automobile on each chassis frame 200 during an assembling process, then respectively penetrates through the connecting holes 300 on two adjacent chassis frames 200 through both ends of the connecting assembly 400 to connect the chassis frames 200 into a whole, and further assembles a first chassis module 110, a second chassis module 120 and a third chassis module 130 into an automobile chassis, thereby really realizing a modular assembly of the automobile chassis, the assembly efficiency is greatly improved, and the problems that the automobile chassis with the integral structure in the prior art is complex in structure, heavy in weight, inconvenient to assemble and influences the assembly efficiency of an automobile are solved.
Fig. 2 is a schematic structural diagram of a first chassis module of a chassis structure provided in the embodiment of the present application, fig. 3 is a schematic structural diagram of a second chassis module of the chassis structure provided in the embodiment of the present application, and fig. 4 is a schematic structural diagram of a third chassis module of the chassis structure provided in the embodiment of the present application.
As shown in fig. 2 to 4, the chassis structure includes a first chassis module 110, a second chassis module 120 and a third chassis module 130, the first chassis module 110 includes a first chassis frame 210 and a front suspension system 211 disposed on the first chassis frame 210, the front suspension system 211 is connected to the first chassis frame 210, the front suspension system 211 is used for directly transmitting various forces acting on wheels from a road surface and moments generated by the forces to the first chassis frame 210 and playing a role of vibration reduction, the second chassis module 120 includes a second chassis frame 220 and an air conditioning system 221 disposed on the second chassis frame 220, the air conditioning system 221 includes an air conditioning condenser (not shown in the drawings) mounted on the second chassis frame 220, an air conditioning heat pump (not shown in the drawings) connected to the air conditioning condenser, the air conditioning condenser is used for releasing condensation heat, the air conditioning heat pump is used for controlling the intensity of cooling or heating of the air conditioning system 221, the third chassis module 130 includes a third chassis frame 230 and a rear suspension system 231 disposed on the third chassis frame 230, the chassis structure in this embodiment of the present invention transmits various forces acting on the wheels from the road surface and the generated torque to the overall frame formed by the first chassis frame 210, the second chassis frame 220, and the third chassis frame 230 through the combined action of the front suspension system 211 and the rear suspension system 231, and absorbs and mitigates the shock and vibration transmitted to the frame due to the wheel bounce caused by the uneven road surface during the driving, and both ends of the second chassis frame 220 are connected to the first chassis frame 210 and the third chassis frame 230 by means of the corresponding connection holes 300, respectively.
The first chassis module 110 further comprises a steering system 212, the steering system 212 is provided on the first chassis frame 210, and the driver can change the moving direction of the vehicle by controlling a steering wheel in the steering system 212, and in another embodiment, the first chassis module 110 further comprises a braking system, and the driver can reduce the speed of the vehicle or stop the vehicle by the braking system.
The second chassis module 120 further includes a cooling system 222 disposed on the second chassis frame 220, a power battery cooling module 223, a storage battery 224, an all-in-one controller 225, a high voltage box 226 and at least one power battery pack 227, where the power battery pack 227 is a power source of the vehicle and drives the vehicle by outputting electric energy, the high voltage box 226 is respectively connected to the all-in-one controller 225 and the power battery pack 227, and transmits the electric energy in the power battery pack 227 to each high voltage assembly of the vehicle through the all-in-one controller 225, where the all-in-one controller 225 drives the motor by electric power through a built-in motor controller, the motor drives a rear drive axle and a rear wheel through a speed reducer, the all-in-one controller 225 is connected to the motor by a high voltage harness and is used for controlling the output power of the motor, the storage battery 224 provides low voltage electricity for the vehicle, and specifically provides electricity for low voltage driven components such as related sensors or instruments, the frame fuse box (not shown in the drawings) can ensure the circuit safety of the storage battery 224, the whole circuit can be automatically cut off when the current in the circuit connected with the storage battery 224 exceeds a safety value, and the power battery cooling module 223 is used for ensuring that the power battery pack 227 is kept in a proper temperature range under all working conditions, so that the service life of the power battery pack 227 is effectively prolonged, and the maximum power is obtained.
High-voltage box 226 is connected in power battery package 227, and high-voltage box 226 is used for cutting off the power supply when power battery package 227 short circuit to protect the battery package, and high-voltage box 226 is connected with power battery package 227, and high-voltage box 226 can regard as the safeties of power battery package 227, and is concrete, and when power battery package 227 short circuit, high-voltage box 226 can automatic power off, can guarantee personnel's in the car personal safety.
The second chassis module 120 further includes a charging port (not shown in the drawings) disposed on the second chassis frame 220, the charging port is electrically connected to the high voltage box 226, the charging port is configured to charge the power battery pack through an external power source, the charging port is connected to the high voltage box 226, when the charging port is connected to an external charging pile, the charging port is electrically connected to the power battery pack 227 because the high voltage box 226 is electrically connected to the power battery pack 227, the charging port can charge the power battery pack 227, and the high voltage box 226 is used for power failure when the power battery pack 227 is short-circuited, so as to protect the power battery pack 227.
The third chassis module 130 further comprises an electric drive axle assembly 232, the electric drive axle assembly 232 is arranged on the third chassis frame 230, the electric drive axle assembly 232 comprises a drive axle, a motor and a speed reducer, the rear suspension system 231 is simultaneously connected with the third chassis frame 230 and the electric drive axle assembly 232, the rear suspension system 231 is used for directly transmitting various forces acting on wheels on a road surface and generated moments to the third chassis frame 230 and playing a role in vibration reduction, the cooling system 222 is connected in series with the motors of the electric drive axle assembly 232 on the all-in-one controller 225 and the third chassis module 130 and is used for cooling the motors of the all-in-one controller 225 and the electric drive axle assembly 232.
The opposite ends of the second chassis frame 220 are respectively provided with a first connection hole 310 and a second connection hole 320, one end of the first chassis frame 210 close to the second chassis frame 220 is provided with a third connection hole 330, the connection assembly 400 is sequentially inserted through the first connection hole 310 and the third connection hole 320 to connect the first chassis frame 210 and the second chassis frame 220, one end of the third chassis frame 230 close to the second chassis frame 220 is provided with a fourth connection hole 340, the connection assembly 400 is sequentially inserted through the second connection hole 320 and the fourth connection hole 340 to connect the third chassis frame 230 and the second chassis frame 220, the connection assembly 400 can be a bolt and a nut, the first connection hole 310 and the second connection hole 320 can be both threaded holes, the third connection hole 330 and the fourth connection hole 340 can also be threaded connection holes, the bolt is sequentially inserted through the first connection hole 310 on the first chassis frame 210 and the third connection hole 330 on the second chassis frame 220 and then is in threaded connection with the nut, to connect the first chassis frame 210 and the second chassis frame 220, the bolt is sequentially inserted into the second connection hole 320 on the first chassis frame 210 and the fourth connection hole 340 on the third chassis frame 230 and then is connected with the nut through screw thread to connect the first chassis frame 210 and the third chassis frame 230.
Fig. 5 is a schematic view of a connection structure between a first chassis frame and a second chassis frame of a chassis structure provided in an embodiment of the present application, and fig. 6 is a schematic view of a connection structure between a second chassis frame and a third chassis frame of a chassis structure provided in an embodiment of the present application.
As shown in fig. 5 and 6, two ends of the second chassis frame 220 are respectively provided with a first bracket 510 and a second bracket 520, two first brackets 510 and two second brackets 520 are provided, two first brackets 510 are horizontally arranged at intervals, two second brackets 520 are horizontally arranged at intervals, one end of the first chassis frame 210 close to the second chassis frame 220 is provided with a first connecting plate 530, two corresponding first connecting plates 530 are also provided, two first connecting plates 530 are arranged at intervals, the side surface of the first bracket 510 is connected with the side surface of the first connecting plate 530 so as to clamp the first chassis frame 210 and the second chassis frame 220, and further enhance the connection strength between the first chassis frame 210 and the second chassis frame 220, in other embodiments, the first bracket 510 may not be provided on the first chassis frame 210, the first connecting plate 530 may not be provided on the second chassis frame 210, the specific design may be changed flexibly according to actual situations, without limitation, the first support 510 is provided with a plurality of first connection holes 310, the first connection holes 310 are provided in plurality, the plurality of first connection holes 310 are arranged on the first support 510 at intervals, the plurality of first connection holes 310 may be all threaded connection holes, the connection assembly 400 sequentially passes through the first connection holes 310 and the third connection holes 330 to connect the first chassis frame 210 and the second chassis frame 220, and meanwhile, the side surface of the first support 510 abuts against the side surface of the first connection plate 530, and the two connection modes are combined to enhance the connection effect between the first chassis frame 210 and the second chassis frame 220.
In other embodiments, the first chassis frame 210 may not be provided with the second bracket 520, the third chassis frame 210 may not be provided with the second connecting plate 540, the specific design may be flexibly changed according to the actual situation, and is not limited herein, the second bracket 520 is provided with the second connecting holes 320, the second connecting holes 320 are provided with a plurality of second connecting holes 320 at intervals on the second bracket 520, the plurality of first connecting holes 310 may be all threaded connecting holes, the connecting assembly 400 sequentially passes through the second connecting holes 320 and the fourth connecting holes 340, in order to connect third chassis frame 230 and second chassis frame 220, the side butt of second support 520 in the side of second connecting plate 540 simultaneously, combine together through two kinds of connected modes, in order to strengthen the connection effect between third chassis frame 230 and the second chassis frame 220, and then improve the connection effect of whole chassis module, first chassis frame 210 in this embodiment, second chassis frame 220 and third chassis frame 230 all independently cast earlier then carry out the modularization equipment, at last carry out whole equipment, the assembly efficiency has been promoted greatly.
The first chassis frame 210 and the third chassis frame 230 are both trapezoidal frame structures, the second chassis frame 220 is a truss structure, the truss structure of the second chassis frame 220 takes structural strength and light weight into consideration, the expansibility of the middle space is more fully utilized, and the adaptive development can be conveniently carried out according to the actual requirements of customers, the whole body of the second chassis frame 220 is cubic, and is provided with a plurality of reinforcing ribs 500 arranged along opposite angles, the reinforcing ribs 500 can enhance the whole strength of the second chassis frame 220, so that the second chassis frame 220 has strong bearing capacity, concretely, a plurality of grids welded by a plurality of rectangular aluminum profiles are formed on the second chassis frame 220, the reinforcing ribs 500 are arranged on the opposite angles of the grids, the advantages of the truss structure are fully utilized, and on the premise of increasing the transverse space, the goal of integrating the high-pressure assembly bracket and the frame is realized, the rigidity of the whole chassis frame is indirectly enhanced while the weight is effectively reduced.
As shown in fig. 1, an embodiment of the present application further provides an electric vehicle, including the above-mentioned chassis structure, the chassis structure includes a plurality of chassis modules 100 and a plurality of connection assemblies 400, each chassis module 100 includes a chassis frame 200, a connection hole 300 is disposed on the chassis frame 200, two ends of each connection assembly 400 respectively penetrate through the connection holes 300 on two adjacent chassis frames 200 to connect the chassis frames 200 into a whole, the present application divides a conventional integral chassis structure into a plurality of chassis modules 100, during an assembly process, each system is firstly assembled on the chassis frame 200 corresponding to each chassis module 100, and then each chassis module 100 is assembled to form an automobile chassis, so as to really realize a modular assembly of the automobile chassis, thereby greatly improving an assembly efficiency, and further solving the problem that the automobile chassis structure of the integral structure in the prior art is complex, and the assembly efficiency is high, Heavy weight, inconvenient assembly and influence the assembly efficiency of the automobile.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A chassis structure, comprising:
the chassis comprises a plurality of chassis modules, a plurality of connecting rods and a plurality of connecting rods, wherein each chassis module comprises a chassis frame which is provided with a connecting hole; and
and the two ends of each connecting component are respectively penetrated through the connecting holes of the two adjacent chassis frames so as to connect the chassis frames into a whole.
2. The chassis structure of claim 1, wherein the chassis structure comprises a first chassis module, a second chassis module, and a third chassis module;
the first chassis module comprises a first chassis frame and a front suspension system arranged on the first chassis frame;
the second chassis module comprises a second chassis frame and an air conditioning system arranged on the second chassis frame;
the third chassis module comprises a third chassis frame and a rear suspension system arranged on the third chassis frame, and two ends of the second chassis frame are respectively connected with the first chassis frame and the third chassis frame through the corresponding connecting holes.
3. The chassis structure of claim 2, wherein the first chassis module further comprises a steering system disposed on the first chassis frame.
4. The chassis structure of claim 2, wherein the second chassis module further comprises a cooling system, a power battery cooling module, a battery, an all-in-one controller, a high voltage box, and at least one power battery pack, which are disposed on the second chassis frame.
5. The chassis structure of claim 4, wherein the high voltage box is electrically connected to the power battery pack, and the high voltage box is configured to be powered off when the power battery pack is short-circuited, so as to protect the power battery pack.
6. The chassis structure of claim 5, wherein the second chassis module further comprises a charging port disposed on the second chassis frame, the charging port being electrically connected to the high voltage box, the charging port being configured to enable charging of the power battery pack by an external power source.
7. The chassis structure of claim 2, wherein the third chassis module further comprises an electric drive axle assembly disposed on the third chassis frame.
8. The chassis structure according to claim 2, wherein opposite ends of the second chassis frame are respectively provided with a first connection hole and a second connection hole;
a third connecting hole is formed in one end, close to the second chassis frame, of the first chassis frame, and the connecting assembly sequentially penetrates through the first connecting hole and the third connecting hole to connect the first chassis frame and the second chassis frame;
and one end of the third chassis frame, which is close to the second chassis frame, is provided with a fourth connecting hole, and the connecting assembly sequentially penetrates through the second connecting hole and the fourth connecting hole to connect the third chassis frame and the second chassis frame.
9. The chassis structure of claim 2, wherein the first chassis frame and the third chassis frame are both trapezoidal frame structures and the second chassis frame is a truss structure.
10. An electric vehicle characterized by comprising the chassis structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237430.1A CN113879396A (en) | 2021-10-22 | 2021-10-22 | Chassis structure and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237430.1A CN113879396A (en) | 2021-10-22 | 2021-10-22 | Chassis structure and electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022100343A1 (en) | 2022-01-10 | 2023-07-13 | Man Truck & Bus Se | Protection device for electrical energy storage system of a vehicle |
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| US20030227165A1 (en) * | 2002-04-30 | 2003-12-11 | Roland Herrmann | Chassis for a commercial vehicle and method of making and using same |
| US20090236877A1 (en) * | 2008-03-19 | 2009-09-24 | Gm Global Technology Operations, Inc. | Vehicle Frame Assembly And Method Having Flexible Modular Architecture |
| EP2607211A2 (en) * | 2011-12-22 | 2013-06-26 | MAN Truck & Bus AG | Commercial vehicle with a modular chassis frame whose side-members are connected by transverses |
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| DE102022100343A1 (en) | 2022-01-10 | 2023-07-13 | Man Truck & Bus Se | Protection device for electrical energy storage system of a vehicle |
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