CN109204567A - Electric car and its body structure - Google Patents
Electric car and its body structure Download PDFInfo
- Publication number
- CN109204567A CN109204567A CN201710527539.6A CN201710527539A CN109204567A CN 109204567 A CN109204567 A CN 109204567A CN 201710527539 A CN201710527539 A CN 201710527539A CN 109204567 A CN109204567 A CN 109204567A
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- China
- Prior art keywords
- motor
- section
- battery pack
- floor side
- body structure
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Classifications
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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
-
- 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
-
- 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
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- 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
- B62D21/09—Means for mounting load bearing surfaces
-
- 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
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
-
- 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
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- 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
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
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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)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
This disclosure relates to a kind of electric car and its body structure.The electric car includes motor, the body structure includes spaced two floor side members, floor panel and motor collision prevention girders in left-right direction, the floor side member is connected to the lower surface of the floor panel, the motor is located at the lower section of the floor panel, the both ends of the motor collision prevention girders are connected to two floor side members and at least partly lower than the floor side members, and the motor collision prevention girders are located at the rear of the motor.By the way that motor collision prevention girders are arranged at the rear of motor, on the one hand, when face is collided after occurring, motor collision prevention girders can prevent front vehicle from directly bumping against on motor, effective protection motor；On the other hand, in reversing, motor collision prevention girders can prevent ground obstacle from causing to encroach on to motor, further protect motor.
Description
Technical field
This disclosure relates to which a kind of body structure, further relates to a kind of electric car with the body structure.
Background technique
The death rate and injury of occupant are farthest reduced in traffic (collision) accident of vehicle, especially passenger car
Degree is the core design technology of the vehicle research and development and manufacture of passenger car.Wherein, body structure collision safety distressed structure is set
Meter is the basis for improving complete automobile collision security performance.In order to meet the public to the higher and higher crashworthiness of household passenger car
Requirement, in recent years in the relevant laws and regulations and value disciplines of the relevant department of various countries all home constantly step by step improve and supplement
The experimental condition of the collision safety performance of some passenger cars.Such as the U.S. is being directed to the vehicle of its domestic market sales, more
A series of its new regulation and value disciplines in relation to safety collision performance, it is desirable that born under more multi-state bigger in vehicle body member cabin
Impact force and have relatively small deformation.
As household passenger car is in the universal of world market, fossil energy shortage and burning bring environmental issue are increasingly
Seriously, so each state is all in active development new-energy automobile.And electric car as new-energy automobile a direction at
For following trend.The design of electric car is in addition to that will meet traditional design, it is also necessary to considers to design higher course continuation mileage,
To meet the competitiveness with conventional fuel oil car.
In order to promote endurance distance, electric car needs to be equipped with more more energy storage batteries, in this way compared to same specification
Complete vehicle weight will be dramatically increased in fuel vehicle, electric car, this is resulted under same experimental condition, the collision initial stage of vehicle
The increase of vehicle kinetic energy, that is to say, the body structure of electric car is required to undertake bigger power and absorbs more movements
Energy promotes safety.Further, in electric car, due to needing to arrange energy storage battery packet, a large amount of body bottom sections
Space is occupied, and the vehicle body collision safety structure technology of the various classics of conventional fuel oil car is not available, therefore designs one kind both
It is able to satisfy energy storage battery arrangement and the novel body structure technology for being able to satisfy vehicle safety is imperative.
Summary of the invention
Purpose of this disclosure is to provide a kind of body structure of electric car, which can occur below in vehicle
Motor is preferably protected when collision or reversing.
To achieve the goals above, the disclosure provides the body structure of electric car, and the electric car includes motor, institute
It states body structure and includes spaced two floor side members, floor panel and motor collision prevention girders in left-right direction, it is vertical after described
Beam is connected to the lower surface of the floor panel, and the motor is located at the lower section of the floor panel, the motor collision prevention girders
Both ends are connected to two floor side members and at least partly lower than the floor side members, and the motor collision prevention girders are located at the electricity
The rear of machine.
Optionally, the motor is mounted on floor side member by subframe.
Optionally, the motor collision prevention girders include main paragraph and the linkage section for being formed in the main paragraph both ends, the main body
Section horizontal extension, each linkage section tilt upward extension from the main paragraph to be connected to the floor side member.
Optionally, the minimum point of the main paragraph is lower than the minimum point of the motor.
Optionally, the vehicle further includes battery pack and battery pack anti-collision structure, and the battery pack is arranged on the floor
The lower section of panel and the front for being located at the motor, battery pack anti-collision structure setting the battery pack and the motor it
Between, for preventing the motor from hitting the battery pack when rear collision occurs for the electric car.
Optionally, the battery pack anti-collision structure includes the guide beam being obliquely installed along the longitudinal direction or directing plate, described
Guide beam or directing plate forward and extend downwardly, for guiding the motor downward when rear collision occurs for the electric car
Movement is to avoid the battery pack.
Optionally, the body structure further includes installation crossbeam and two battery tray mounting brackets after battery pack, described
Crossbeam both ends are installed after battery pack and are connected to the floor side member, described two battery tray mounting brackets are spaced in left-right direction to be set
It sets and is installed on crossbeam after the battery pack, the rear end of the battery pack is mounted in described two battery tray mounting brackets,
The battery pack anti-collision structure installs crossbeam and rear installation crossbeam before further including, install crossbeam before described and be connected to described two electricity
Pond tray mounting bracket, the both ends that crossbeam is installed after described are connected to the floor side member, and the front end of the guide beam is connected to institute
Crossbeam is installed, the rear end of the guide beam is connected to the rear installation crossbeam before stating.
Optionally, the battery pack anti-collision structure includes backstop crossbeam or baffle plate, and the backstop crossbeam or baffle plate connect
It is connected to the floor side member, for stopping the motor to move towards the battery pack when rear collision occurs for the electric car
It is dynamic.
Optionally, the backstop crossbeam is in U-shape, and the both ends of the backstop crossbeam are connected to described two floor side members.
Optionally, the electric car further includes automatically controlled, it is described it is automatically controlled be mounted on the floor panel, the floor side member
It from back to front successively include the first section, the second section, third section and the 4th section, transverse direction of second section in vehicle
It is upper with it is described automatically controlled corresponding, the intensity of second section is greater than the intensity of first section and greater than the third section
Intensity, the both ends of the motor collision prevention girders are connected to second section.
Optionally, the intensity of the 4th section is greater than the intensity of first section and is greater than the strong of the third section
Degree, the intensity of the third section are greater than the intensity of first section.
By the way that motor collision prevention girders are arranged at the rear of motor, on the one hand, when face is collided after occurring, motor collision prevention girders can
Prevent front vehicle from directly bumping against on motor, effective protection motor；On the other hand, in reversing, motor collision prevention girders can be prevented
Ground obstacle (for example, road step, ground pile etc.) causes to encroach on to motor, further protects motor.
The disclosure also provides a kind of electric car, including body structure as described above.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the partial exploded view according to the body structure of an embodiment of the present disclosure.
Fig. 2 is the perspective view of floor side member back segment in the body structure according to an embodiment of the present disclosure.
Fig. 3 is the top view according to the body structure of an embodiment of the present disclosure.
Fig. 4 is the bottom view according to the body structure of an embodiment of the present disclosure.
Fig. 5 is the E-E cross-section diagram of Fig. 4.
Fig. 6 is the enlarged drawing of the part G in Fig. 5.
Fig. 7 is the F-F cross-section diagram of Fig. 4.
Fig. 8 is the enlarged drawing of the part H in Fig. 7.
Fig. 9 is the partial exploded view according to the body structure of an embodiment of the present disclosure.
Figure 10 is the side view according to the body structure of an embodiment of the present disclosure.
Figure 11 is the main view of motor collision prevention girders in the body structure according to an embodiment of the present disclosure.
Figure 12 is the perspective view according to the body structure of an embodiment of the present disclosure.
Figure 13 is the side view according to the body structure of an embodiment of the present disclosure.
Figure 14 is the solid of guide beam and preceding installation crossbeam in the body structure according to an embodiment of the present disclosure
Figure.
Figure 15 is the side view according to the body structure of an embodiment of the present disclosure.
Figure 16 is the partial exploded view according to the body structure of an embodiment of the present disclosure.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " up, down, left, right, before and after " be
It is defined on the basis of the up and down direction of vehicle, left and right directions and front-rear direction, specifically in the accompanying drawings, X-direction is vehicle
Front-rear direction, that is, the longitudinal direction of vehicle, wherein the side that arrow is directed toward is " preceding ", otherwise is " rear "；Y-direction is vehicle
Left and right directions, that is, the transverse direction of vehicle, wherein the side that arrow is directed toward is " right side ", otherwise is " left side "；Z-direction is vehicle
Up and down direction, that is, the short transverse of vehicle, wherein the side that arrow is directed toward is "upper" otherwise is "lower"；" inside and outside " is
It is defined on the basis of the profile of corresponding component, such as outside the car and vehicle defined on the basis of vehicle's contour, in vehicle
The side in portion is "inner", otherwise is "outside".It is defined above to be only used for aiding in illustrating the disclosure, it is not construed as limiting the disclosure
System.
All " crossbeam " refers to the beam extended substantially along left and right vehicle wheel direction in the disclosure, and all " stringer " refers to greatly
The beam that body extends along vehicle front-rear direction.In addition, being related in each embodiment of the disclosure in the case where other no specific explanations
And " floor panel ", " floor side member ", the nouns such as " rear anti-collision cross beam " be meant that its common art-recognized meanings in the art.
In addition unless specifically defined or limited otherwise, term " connection ", " connected ", " fixation " etc. shall be understood in a broad sense,
It can be integrally formed for example, by the non-removable modes such as welding, dismountable mode such as bolt, or molding etc.
What mode was realized.
According to one aspect of the disclosure, a kind of body structure is provided, as shown in Figure 3 and Figure 4, including rear anti-collision cross beam
270, floor panel 300 and in left-right direction spaced two floor side members 120, the both ends of rear anti-collision cross beam 270 connect respectively
It is connected to the rear end of two floor side members 120, floor panel 300 has for installing automatically controlled 740 automatically controlled installation region and for pacifying
The back seat installation region of back seat (not shown) is filled, automatically controlled installation region is located at the rear of back seat installation region and and back seat
Chair installation region is spaced apart.Automatically controlled 740, which can be used for controlling battery pack, is powered and powers off.Floor side member 120 from back to front can be according to
Secondary includes the first section I, the second section II, third section III and the 4th section IV, wherein cross of the second section II in vehicle
Corresponding with the automatically controlled installation region of floor panel 300 upwards (that is, being corresponded in the transverse direction with automatically controlled 740, that is to say, that
The distance between automatically controlled 740 and front of the car and the distance between the second section II and front of the car are of substantially equal), the second section
The intensity of II is greater than the intensity of the first section I, and is greater than the intensity of third section III.
In the body structure of the disclosure, since the intensity of the second section II is greater than the first section I's and third section III
Intensity, therefore when rear collision occurs for vehicle, compared to the first section I and third section III, the second section II is deformed later
Or indeformable (in the lesser situation of impact force), so that laterally corresponding automatically controlled 740 becoming later with the second section II
Shape is indeformable, to protect automatically controlled 740, can thus make automatically controlled 740 to have the sufficient time to power off to control battery pack 600,
It avoids generating the even danger such as explosion of catching fire when battery pack 600 is squeezed.
In one embodiment, the intensity of third section III can be greater than the intensity of the first section I, that is to say, that the
The intensity of one section I is minimum, and third section III takes second place, the maximum intensity of the second section II.In this case, when vehicle is sent out
When raw rear collision, if impact force is smaller, only the first section I is deformed；If impact force is larger, the first section I is first
Deformation, then third section III is deformed；If impact force is excessive, the first section I is deformed first, and then third section III becomes
Shape, the second last section II deformation.
In one embodiment, the interface P-P of third section III and the 4th section IV can be located at floor panel
The rear of 300 back seat installation region, that is, back seat is located in the range that the 4th section IV is corresponded in the lateral direction of the vehicle, and
And the 4th section IV intensity can be greater than third section III intensity.Further, the intensity of the 4th section IV can be greater than
The intensity of second section II.By the way that the 4th section IV is designed as having biggish intensity, so that rear collision occurs in vehicle
When, the 4th section IV is unlikely to deform, to guarantee the safety of heel row occupant.Meanwhile by connecting back seat on the 4th section IV
Chair installs crossbeam, so that the intensity of the 4th section IV is improved.
In one embodiment, the body structure can also include battery pack after installation crossbeam 230 (can in Figure 12
See), battery pack 600 is arranged in the lower section of floor panel 300 and is located at the front of motor 730, and motor 730 can pass through subframe
(not shown) is mounted on floor side member 120.The lower section that the floor panel 300 is arranged in crossbeam 230, battery are installed after battery pack
The both ends that crossbeam 230 is installed after packet are connected to the floor side member 120 of the left and right sides, install on crossbeam 230 after battery pack along a left side
Right direction is arranged at intervals with two battery tray mounting brackets 340, and battery tray mounting bracket 340 installs crossbeam after battery pack
230 extend downwardly, and the rear end of the battery tray of battery pack 600 is mounted in two battery tray mounting brackets 340.
After the interface P-P of third section III and the 4th section IV can install crossbeam 230 after the battery pack
Side's (that is, the 4th section IV that crossbeam 230 is connected to floor side member 120 is installed after battery pack).By the way that the 4th section IV is designed as
With biggish intensity, so that the 4th section IV is unlikely to deform, to guarantee the peace of battery pack when rear collision occurs for vehicle
Entirely.Meanwhile by connecting floor lower beam 280 on the 4th section IV, so that the intensity of the 4th section IV is improved.
More specifically, in one embodiment, as shown in Figure 1 and Figure 4, the body structure can also include under floor
Crossbeam 280, the floor lower beam 280 are arranged in the lower surface of floor panel 300 and are located at the rear of Floor rear crossbeam 230, ground
The both ends of plate lower beam 280 are connected to the floor side member 120 of the left and right sides.Floor lower beam 280 is used as and forms body frame
Beam, can be improved the strength and stiffness of vehicle body.Floor lower beam 280 can be arranged in the interior concave point of floor side member 120, with
It is deformed in preventing from bending at interior concave point.
In one embodiment, as shown in figure 4, the back edge of floor lower beam 280 can be located at third section III and
On the interface P-P of 4th section IV.In other words, floor lower beam 280 is connected to the rear end of the 4th section IV.Pass through connection
Floor lower beam 280, so that the intensity of the 4th section IV is improved.
As shown in figures 1 and 3, the top of floor panel 300 is also provided with corresponding with 280 position of floor lower beam
Floor upper beam 290, floor upper beam 290, floor panel 300 and floor lower beam 280 link together.In such case
Under, third section III in the transverse direction can be with floor panel 300 positioned at floor upper beam 290 and automatically controlled installing zone
Region between domain is corresponding.
Crossbeam 230, floor lower beam 280 and two floor side members 120 are installed after battery pack and surround closed loop frame structure, this is closed
Ring frame structure can increase the intensity of body structure, improve the stability of body structure.When side collision occurs for vehicle, electricity
Crossbeam 230 and floor lower beam 280 are installed after Chi Bao to be directly passed to the other side from the floor side member 120 of side for impact force
Floor side member 120 subtract so that floor panel 300 is not involved in substantially or less participation collision power transmission and energy-absorbing so as to limit
The transversely deforming of small floor panel 300 and floor side member 120.
In the disclosure, floor side member 120 can have any suitable structure, as long as the strength relationship of its each section meets
Requirements above.
In one embodiment, as shown in Figure 1, floor side member 120 may include 121 He of floor side member leading portion interconnected
Floor side member back segment 122, floor lower beam 280 and Floor rear crossbeam 230 can connect in floor side member leading portion 121, floor side member back segment
Floor side member back segment reinforcement structure and floor side member back segment weakening structure are provided on 122, floor side member back segment weakening structure is located at first
Section I, floor side member back segment reinforcement structure are located at the second section II.
As shown in Fig. 2, the floor side member back segment weakening structure can be the crumple muscle being arranged on floor side member back segment 122
1223 and/or crumple hole.
As shown in Fig. 2, the cross section of floor side member back segment 122 is in the groove-like structure of upward opening, and including back segment bottom wall
1221 and two back segment side walls 1222, two back segment side walls 1222 be oppositely arranged, back segment bottom wall 1221 connect two back segment side walls
1222。
As shown in Fig. 1, Fig. 6 and Fig. 7, the floor side member back segment reinforcement structure may include being arranged in floor side member back segment 122
Internal floor side member back segment stiffening plate 125, the front end of floor side member back segment stiffening plate 125 extends to the second section II and the first section
The interface M-M of I, the rear end of floor side member back segment stiffening plate 125 extend to the interface N- of the second section II and third section III
N.By the way that floor side member back segment stiffening plate 125 is arranged, the second section II can be reinforced.
Floor side member back segment stiffening plate 125 can be directly attached on back segment bottom wall 1221.In one embodiment, as schemed
Shown in 7, floor side member back segment stiffening plate 125 can be spaced with back segment bottom wall 1221 to be arranged, and the floor side member back segment reinforcement structure is also
It may include floor side member back segment fagging 126A, the 126B being supported between back segment bottom wall 1221 and floor side member back segment stiffening plate 125,
Floor side member back segment stiffening plate is connected to floor side member back segment 122 by floor side member back segment fagging 126A, 126B.Floor side member back segment fagging
126A, 126B can be one, or multiple.In the shown embodiment, floor side member back segment fagging 126A, 126B includes
Preceding fagging 126A and rear stay plate 126B.Preceding fagging 126A is in " several " font, is used to support the front of floor side member back segment stiffening plate 125
The middle part and；Rear stay plate 126B is "Z"-shaped, is used to support the rear portion of floor side member back segment stiffening plate 125.
In one embodiment, the front end of floor side member back segment 122 can extend to the second section II and third section III
Interface N-N, that is to say, that the front end of floor side member back segment 122 is concordant with the front end of floor side member back segment stiffening plate 125, rear vertical
The length of beam back segment 122 is equal to the sum of the length of the first section I and the second section II.
Stiffening plate 124 after floor side member leading portion, stiffening plate 124 after floor side member leading portion can be set on floor side member leading portion 121
It can be set in the junction of floor side member leading portion 121 and floor side member back segment 122.By setting floor side member leading portion after stiffening plate 124,
The intensity that the junction of floor side member leading portion 121 and floor side member back segment 122 can be improved, prevents floor side member leading portion 121 and floor side member
The junction of back segment 122 is failed or deformation, be conducive to when frontal collision or rear collision occur for vehicle impact force backward or to
Front transfer improves the crashworthiness of vehicle.
Further, stiffening plate 123 in floor side member leading portion, floor side member leading portion are also provided on floor side member leading portion 121
A part of middle stiffening plate 123 is located at third section III, and another part is located at the 4th section IV.By the way that floor side member leading portion is arranged
Middle stiffening plate 123 can reinforce entire third section III and the 4th section IV of part, so that third section III
Intensity is greater than the intensity of the first section IV, consequently facilitating the conquassation sequence of each section of floor side member when rear collision occurs for control.
In one embodiment, the sectional area of the 4th section IV can be greater than the sectional area of other sections, so that the 4th
The intensity of section IV is greater than other sections.In other embodiments, reinforcement structure (example can also be set on the 4th section IV
Such as stiffening plate or reinforcing rib) to increase the intensity of the 4th section IV greater than other sections.
In order to protect motor 730 when rear collision or reversing occur for vehicle, in one embodiment, such as Fig. 9 and figure
Shown in 10, body structure can also include motor collision prevention girders 440, after the both ends of the motor collision prevention girders 440 are connected to two
Stringer 120 and motor collision prevention girders 440 are at least partly lower than floor side member 120, and motor collision prevention girders 440 are located at floor panel 300
Lower section and the rear for being located at motor 730.
By the way that motor collision prevention girders 440 are arranged at the rear of motor 730, on the one hand, when face is collided after occurring, motor anticollision
Beam 440 can prevent front vehicle from directly bumping against on motor 730, effective protection motor 730；On the other hand, in reversing, motor
Collision prevention girders 440 can prevent ground obstacle (for example, road step, ground pile etc.) from causing to encroach on to motor 730, further protect
Motor 730.
Since the both ends of motor collision prevention girders 440 are connected to two floor side members 120 in left and right, when side occurs for vehicle
When face is collided, motor collision prevention girders 440 can form cross-brace between two floor side members 120, reduce floor side member 120 and floor
The transversely deforming of panel 300.
The both ends of motor collision prevention girders 440 can connect in any appropriate location of floor side member 120.In a kind of embodiment
In, the both ends of motor collision prevention girders 440 can connect the second section II in floor side member 120, that is to say, that motor collision prevention girders 440
It can be set in automatically controlled 740 underface.In this manner it is possible to reinforce the intensity of the second section II.
Motor collision prevention girders 440 can have any suitable structure and shape.In one embodiment, such as Figure 11 institute
Show, motor collision prevention girders 440 may include main paragraph 441 and two linkage sections 442,441 horizontal extension of main paragraph, each linkage section
442 upwardly extend from one end substantial inclination of main paragraph 441 to be connected to floor side member 120.Specifically, as shown in figure 3, main paragraph
441 can be in linear type, and linkage section 442 can substantially be in Z-shaped.By this method, so that the height of motor collision prevention girders 440 compared with
It is low, to preferably protect motor 730.In one embodiment, the minimum point of motor collision prevention girders 440 can be lower than motor
730 minimum point causes to encroach on to be better protected from ground obstacle in reversing to motor 730.
Motor 730 is moved forward and is bumped against in battery pack 600 when rear collision occurs for vehicle in order to prevent, in a kind of implementation
In mode, battery pack anti-collision structure is provided between battery pack 600 and motor 730, which is used in vehicle
Occur to prevent motor 730 from hitting battery pack 600 when rear collision, that is to say, that cause motor 730 when rear collision occurs for vehicle
It is described when Forward (including Forward and front vehicle caused by floor side member 120 deforms directly bump against caused Forward on motor 730)
Battery pack anti-collision structure can change the motion profile of motor 730 to a certain extent, so that motor 730 will not hit battery pack
600。
The battery pack anti-collision structure can have various structures appropriate.In one embodiment, battery pack anticollision
Structure may include the guide beam 450 being obliquely installed along the longitudinal direction or directing plate, and the guide beam 450 or directing plate are forward simultaneously
It extends downwardly, when rear collision occurs for vehicle, and motor 730 is caused to move forward, motor 730 is bumped against on guide beam 450 or directing plate,
Guide beam 450 or directing plate guidance motor 730 move down while moving forward to avoid battery pack 600.That is,
When rear collision occurs for vehicle, and motor 730 is caused to move forward, the battery pack anti-collision structure can change electricity to a certain extent
The motion profile of machine 730 prevents battery so that motor 730 is moved down to avoid being located at the battery pack 600 in 730 front of motor
Packet 600 is hit and is squeezed.
Guide beam 450 or directing plate can be mounted on floor side member 120 in several ways.In a kind of embodiment
In, as shown in Figure 12 to Figure 14, in addition to guide beam 450, battery pack anti-collision structure can also include preceding installation crossbeam 460 with after
Crossbeam 470 is installed, preceding installation crossbeam 460 is connected to two battery tray mounting brackets 340, and the rear both ends for installing crossbeam 470 connect
It is connected to floor side member 120, crossbeam 460 is installed before being connected in the front end of guide beam 450, and the rear end of guide beam 450 is installed after being connected to
Crossbeam 470.In this way, so that the position of crossbeam 470 is installed in the position of preceding installation crossbeam 460 after being lower than, to make to draw
Nose girder 450 is obliquely installed.When motor 730 bumps against guide beam 450, guide beam 450 itself absorbs part energy, and by one
Portion of energy installs crossbeam 470 after and is transferred to floor side member 120, and another part energy is installed crossbeam 460, battery tray before menstruation
Mounting bracket 340 and Floor rear crossbeam 230 are transferred to floor side member 120.In this embodiment, the battery pack anti-collision structure
The I-shaped structure for being formed as being connected between two floor side members 120 improves vehicle to further strengthen body structure
Crashworthiness.
Guide beam 450 can be a straight beam.Alternatively, as shown in figure 14, guide beam 450 is a bending
Beam, and including first segment 451 and second segment 452, first segment 451 forward and extends downwardly, second segment from rear installation crossbeam 470
452 extend forward from 451 general horizontal of first segment to be connected to preceding installation crossbeam 460.In this way, so that guide beam
The distance between 450 and motor 730 are closer, and motor 730 can touch guide beam 450 earlier, convenient for control motor 730
The direction of motion.
In another embodiment, as shown in figure 15, in addition to guide beam 450, battery pack anti-collision structure can also be wrapped
Installation crossbeam 460, rear installation crossbeam 470 and supporting beam 480, preceding installation crossbeam 460 are connected to described two battery trays before including
Mounting bracket 340, the rear both ends for installing crossbeam 470 are connected to the floor side member 120, and the rear end of guide beam 450 is pacified after being connected to
Crossbeam 470 is filled, supporting beam 480 substantially extends along the longitudinal direction, and crossbeam 460, support are installed in the front end of supporting beam 480 before being connected to
The rear end of beam 480 is connected to the middle part of guide beam 450.When motor 730 bumps against guide beam 450, guide beam 450 itself absorbs one
Portion of energy, and part energy is installed into crossbeam 470 after and is transferred to floor side member 120, by another part energy through supporting
Crossbeam 230 is installed after beam 480, preceding installation crossbeam 460, battery tray mounting bracket 340 and battery pack and is transferred to floor side member 120.
In this embodiment, the lower end position that can permit guide beam 450 it is lower (for example, it is concordant with the lower surface of battery pack or
Lower than the lower surface of battery pack), it further eliminates motor 730 and bumps against the risk in battery pack 600.
In yet another embodiment, as shown in figure 16, in addition to guide beam 450, before battery pack anti-collision structure further includes
Crossbeam 460, rear installation crossbeam 470 and installation stringer 490 are installed, the preceding installation crossbeam 460 is connected to described two battery trays
Disk mounting bracket 340, the rear both ends for installing crossbeam 470 are connected to floor side member 120, and the front end of installation stringer 490 is connected to battery
Crossbeam 230 is installed, crossbeam 470 is installed after being connected in the rear end of installation stringer 490, before the front end of guide beam 450 is connected to after packet
Crossbeam 460 is installed, the rear end of guide beam 450 is connected to the middle part of installation stringer 490, and guide beam 450 is in the floor panel 300
On projection be overlapped with projection of the stringer 490 on the floor panel 300 is installed.When motor 730 bumps against guide beam 450,
Guide beam 450 itself absorbs part energy, and part energy is transferred to floor side member 120 and electricity through installing stringer 490
Crossbeam 230 is installed, after another part energy is installed crossbeam 460, battery tray mounting bracket 340 and battery pack before menstruation after Chi Bao
Installation crossbeam 230 is transferred to floor side member 120.In this embodiment, on the one hand, crossbeam 230 is installed, installation is indulged after battery pack
Beam 490 and rear installation crossbeam 470 form I-shaped structure and can reinforce body structure, improve the crashworthiness of vehicle；Separately
On the one hand, the angle between guide beam 450 and installation stringer 490 can further strengthen body structure, improve body structure
Stability.
Here, installation crossbeam 470 can be the intrinsic beam of body structure afterwards, be also possible to independent in order to install guide beam
The beam of setting.In one embodiment, installation crossbeam 470 for example can be floor lower beam 280 mentioned above afterwards.
It is different from the above-mentioned embodiment moved using guide beam or directing plate guidance motor 730, in alternate embodiments
In, the battery pack anti-collision structure may include backstop crossbeam or baffle plate, the backstop crossbeam or baffle plate be connected to it is described after
Stringer 120 and be arranged between battery pack 600 and motor 730, for the electric car occur rear collision when stop institute
State the forward movement of motor 730.The backstop crossbeam substantially can be " U "-shaped.
Based on the above technical solution, the disclosure also provides a kind of vehicle, which includes the vehicle that the disclosure provides
Body structure, therefore, all advantages and beneficial effect of the body structure which there is the disclosure to provide are unnecessary to reduce
It repeats, details are not described herein.Specifically, which can be electric car, so that body structure adapts to the peace of battery pack
Dress.
The specific embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (12)
1. a kind of body structure of electric car, the electric car includes motor (730), which is characterized in that the vehicle body knot
Structure includes spaced two floor side members (120), floor panel (300) and motor collision prevention girders (440) in left-right direction,
The floor side member (120) is connected to the lower surface of the floor panel (300), and the motor (730) is located at the floor panel
(300) lower section, the both ends of the motor collision prevention girders (440) are connected to two floor side members (120) and at least partly
Lower than the floor side member (120), the motor collision prevention girders (440) are located at the rear of the motor (730).
2. body structure according to claim 1, which is characterized in that after the motor (730) is mounted on by subframe
On stringer (120).
3. body structure according to claim 1, which is characterized in that the motor collision prevention girders (440) include main paragraph
(441) linkage section (442) at main paragraph (441) both ends, main paragraph (441) horizontal extension, each connection are formed in and
Section (442) tilts upward extension from the main paragraph (441) to be connected to the floor side member (120).
4. body structure according to claim 3, which is characterized in that the minimum point of the main paragraph (441) is lower than described
The minimum point of motor (730).
5. body structure according to claim 1, which is characterized in that the vehicle further includes battery pack (600) and battery
Packet anti-collision structure, the battery pack (600) are arranged the lower section in the floor panel (300) and are located at the motor (730)
Front, the battery pack anti-collision structure are arranged between the battery pack (600) and the motor (730), in the electricity
Electrical automobile occurs to prevent the motor (730) from hitting the battery pack (600) when rear collision.
6. body structure according to claim 5, which is characterized in that the battery pack anti-collision structure includes along the longitudinal direction
The guide beam (450) or directing plate being obliquely installed, the guide beam (450) or directing plate forward and extend downwardly, in institute
Electric car is stated to occur to guide the motor (730) to move down to avoid the battery pack (600) when rear collision.
7. body structure according to claim 6, which is characterized in that the body structure further includes installation cross after battery pack
Beam (230) and two battery tray mounting brackets (340), after the battery pack installation crossbeam (230) both ends be connected to it is described after
Stringer (120), described two battery tray mounting brackets (340) install cross after being arranged at intervals on the battery pack in left-right direction
On beam (230), the rear end of the battery pack (600) is mounted on described two battery tray mounting brackets (340),
The battery pack anti-collision structure installs crossbeam (460) and rear installation crossbeam (470) before further including, install crossbeam before described
(460) described two battery tray mounting brackets (340) are connected to, the both ends of rear installation crossbeam (470) are connected to described
Floor side member (120), the front end of the guide beam (450) are connected to preceding installation crossbeam (460), the guide beam (450)
Rear end is connected to rear installation crossbeam (470).
8. body structure according to claim 5, which is characterized in that the battery pack anti-collision structure include backstop crossbeam or
Baffle plate, the backstop crossbeam or baffle plate are connected to the floor side member (120), for occurring to touch below in the electric car
Stop the motor (730) mobile towards the battery pack (600) when hitting.
9. body structure according to claim 8, which is characterized in that the backstop crossbeam is in U-shape, the backstop crossbeam
Both ends are connected to described two floor side members (120).
10. body structure according to claim 1, which is characterized in that the electric car further includes automatically controlled (740), institute
It states automatically controlled (740) to be mounted on the floor panel (300), the floor side member (120) successively includes the first section from back to front
(I), the second section (II), third section (III) and the 4th section (IV), second section (II) in the transverse direction with
Described automatically controlled (740) are corresponding, and the intensity of second section (II) is greater than the intensity of first section (I) and is greater than described
The intensity of third section (III), the both ends of the motor collision prevention girders (440) are connected to second section (II).
11. body structure according to claim 10, which is characterized in that the intensity of the 4th section (II) is greater than described first
The intensity of section (I) and the intensity for being greater than the third section (III), the intensity of the third section (III) are greater than described
The intensity of first section (I).
12. a kind of electric car, which is characterized in that including body structure described according to claim 1 any one of -11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710527539.6A CN109204567B (en) | 2017-06-30 | 2017-06-30 | Electric automobile and body structure thereof |
| PCT/CN2018/093440 WO2019001531A1 (en) | 2017-06-30 | 2018-06-28 | Electric vehicle and vehicle body structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710527539.6A CN109204567B (en) | 2017-06-30 | 2017-06-30 | Electric automobile and body structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109204567A true CN109204567A (en) | 2019-01-15 |
| CN109204567B CN109204567B (en) | 2020-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710527539.6A Active CN109204567B (en) | 2017-06-30 | 2017-06-30 | Electric automobile and body structure thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109204567B (en) |
| WO (1) | WO2019001531A1 (en) |
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| CN110588784A (en) * | 2019-09-28 | 2019-12-20 | 浙江飞碟汽车制造有限公司 | Automobile longitudinal beam structure and manufacturing method thereof |
| CN111746642A (en) * | 2019-03-29 | 2020-10-09 | 本田技研工业株式会社 | Structure of subframe |
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| US11569539B1 (en) * | 2019-12-24 | 2023-01-31 | Zoox, Inc. | Impact screen |
| KR20220048785A (en) * | 2020-10-13 | 2022-04-20 | 현대자동차주식회사 | Body for vehicle |
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Also Published As
| Publication number | Publication date |
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| WO2019001531A1 (en) | 2019-01-03 |
| CN109204567B (en) | 2020-10-20 |
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