CN110316251A - Front frame and car - Google Patents
Front frame and car Download PDFInfo
- Publication number
- CN110316251A CN110316251A CN201810289460.9A CN201810289460A CN110316251A CN 110316251 A CN110316251 A CN 110316251A CN 201810289460 A CN201810289460 A CN 201810289460A CN 110316251 A CN110316251 A CN 110316251A
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- China
- Prior art keywords
- stringer
- area
- driver
- cross beam
- absorbing
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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
- B62D21/15—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
- B62D31/00—Superstructures for passenger vehicles
- B62D31/02—Superstructures for passenger vehicles for carrying large numbers of passengers, e.g. omnibus
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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
This disclosure relates to a kind of front frame and car, the front frame includes the driver area (1) and collision energy-absorbing area (3) being disposed adjacent, the longitudinal strength of the collision energy-absorbing area (3) is less than the longitudinal strength of the driver area (1), when head-on crash occurs for vehicle, impact force is transmitted to the collision energy-absorbing area (3) by the driver area (1), makes collision energy-absorbing area (3) deformation to absorb collision energy.Through the above technical solutions, collision energy-absorbing area can absorb the Impact energy of the overwhelming majority in car central collision, so that front frame be avoided integrally to deform, reduce the collision damage that driver and passenger are subject to.
Description
Technical field
This disclosure relates to vehicle collision safety Design technical field, and in particular, to a kind of front frame and car.
Background technique
With the rapid development of automobile industry, requirement of the people to vehicle safety performance is higher and higher.Currently, vehicle frontal collision
It is the most common accident pattern, in vehicle frontal collision, is located on the foremost side driver and passenger is easy by biggish wound
Evil, therefore, protecting the life security of driver and passenger is the main target of vehicle passive security design.For reduce driver and
Injury suffered by passenger, the body frame structure for automotive of vehicle need to have certain rigidity and can fully absorb collision energy.
Special collision energy-absorbing area is usually not arranged in the driver Qu Houfang of existing car, but whole by front axle bracket body
Body deforms the mode of energy-absorbing to absorb collision energy.When high velocity impact occurs for car, impact force can be from the longitudinal transfer beam of driving
Front end be transmitted to the rear end for driving longitudinal transfer beam, then be transmitted at front axle bracket backward, so that front axle bracket body is deformed, absorb
Collision energy reduces the inertia force injury that driver is subject to.However, this energy-absorbing mode is easy to cause front frame or vehicle frame whole
It deforms, the stiffness and strength of front frame or vehicle frame entirety is reduced, to be easy that driver is made to come to harm.
Summary of the invention
Purpose of this disclosure is to provide a kind of front frame and car, which can absorb the impact energy that driver area is subject to
Amount improves the stiffness and strength in front frame driver area, reduces the collision damage that driver and passenger are subject to.
To achieve the goals above, the disclosure provides a kind of front frame, and the front frame includes the driver being disposed adjacent
Area and collision energy-absorbing area, the longitudinal strength in the collision energy-absorbing area are less than the longitudinal strength in the driver area, and vehicle occurs just
When face is collided, impact force makes the collision energy-absorbing area deformation to inhale by driver's block transitive to the collision energy-absorbing area
Receive collision energy.
Optionally, multiple crumple energy-absorbing beams extended along the longitudinal direction are disposed in the collision energy-absorbing area.
Optionally, at least part of the crumple energy-absorbing beam is formed as bellows structure.
Optionally, the front frame further includes stepped region and battery area, and the collision energy-absorbing area is located at the driver
The rear in area, the stepped region are located at the left or right in the driver area, and the battery area is located at the stepped region
Rear.
Optionally, the front frame includes that front beam, the first middle cross beam, rear cross beam, left stringer, middle stringer and the right side are vertical
Beam, the front beam, the rear cross beam, the left stringer and the right vertical beam surround rectangle, and the middle stringer is located at the left side
Between stringer and right vertical beam, the front end of the middle stringer is connected to the front beam, and the rear end of the middle stringer is connected to described
Rear cross beam, for first middle cross beam between the front beam and rear cross beam, the right end of first middle cross beam is connected to institute
Middle stringer is stated, the left end of first middle cross beam is connected to the left stringer, and the middle stringer, the front beam, the left side are vertical
Beam and first middle cross beam surround the driver area, the middle stringer, first middle cross beam, the left stringer and described
Rear cross beam surrounds the collision energy-absorbing area.
Optionally, the front frame further includes multiple lower part crumple energy-absorbing beams, and multiple lower part crumple energy-absorbing beam is along left and right
The setting of direction interval, the front end of each lower part crumple energy-absorbing beam are connected with first middle cross beam, rear end and the rear cross
Beam is connected.
Optionally, the middle stringer has crumple energy-absorbing section, and the crumple energy-absorbing section is located at first middle cross beam with after
Between crossbeam.
Optionally, the front frame further includes multiple front columns, multiple central posts, multiple rear columns, multiple driver areas
Transfer beam and multiple top crumple energy-absorbing beams, the multiple front column is generally aligned in the same plane with the front beam, the multiple
Central post is generally aligned in the same plane with first middle cross beam, and the multiple rear column is generally aligned in the same plane with the rear cross beam, institute
It states multiple driver areas transfer beam to be connected with the front column and the central post, the multiple top crumple energy-absorbing beam is connected to
Between the central post and the rear column.
Optionally, the multiple driver area transfer beam includes multiple driver Qu Chuanli stringers for being parallel to each other and mutually
Parallel Liang Ge driver's Qu Chuanli cant beam, the multiple driver Qu Chuanli stringer include driver area top power transmission stringer,
The front end of driver area top power transmission stringer is connected with the front column, the rear end of driver area top power transmission stringer
It is connected with the central post, the front end of the driver Qu Chuanli cant beam is connected with the front column, the driver Qu Chuanli
The rear end of cant beam is connected with the central post.
Optionally, the multiple driver Qu Chuanli stringer further includes driver area lower part power transmission stringer, the driver
Area lower part power transmission stringer between the middle stringer and left stringer, the front end of driver area lower part power transmission stringer with it is described
Front beam is connected, and the rear end of driver area lower part power transmission stringer is connected with first middle cross beam, under the driver area
Portion's power transmission stringer, the front beam, the left stringer and first middle cross beam surround rectangular configuration, the quadrangle of the rectangular configuration
Place is provided with cant beam.
Optionally, the cross section of the driver Qu Chuanli cant beam, the driver area lower part power transmission stringer and left stringer
Be formed as hollow rectangle structure, the driver Qu Chuanli cant beam, driver area lower part power transmission stringer and left stringer it is interior
Portion is provided with stiffening plate.
Optionally, the front frame further includes the second middle cross beam, and the right end of second middle cross beam is connected to described right vertical
Beam, the left end of second middle cross beam are connected to the middle stringer, the right vertical beam, the front beam, the middle stringer and institute
It states the second middle cross beam and surrounds stepped region, the right vertical beam, second middle cross beam, the middle stringer and the rear cross beam surround storage
Battery area.
Optionally, the right vertical beam includes the first right vertical beam and the second right vertical beam, and the front end of first right vertical beam connects
In front beam, the rear end of first right vertical beam is connected to second middle cross beam, and the front end of second right vertical beam is connected to
Second middle cross beam, the rear end of second right vertical beam are connected to the rear cross beam, first right vertical beam, the preceding cross
Beam, the middle stringer, second middle cross beam surround the stepped region, second right vertical beam, second middle cross beam, described
Middle stringer, the rear cross beam surround the battery area.
Optionally, the front frame further includes stepped region power transmission stringer, and the stepped region power transmission stringer is located at described first
Between right vertical beam and middle stringer, the front end of the stepped region power transmission stringer is connected to the front beam, and the stepped region power transmission is vertical
The rear end of beam is connected to second middle cross beam.
Optionally, the cross section of first right vertical beam and stepped region power transmission stringer is formed as hollow rectangle structure, described
First right vertical beam and stepped region power transmission stringer are internally provided with stiffening plate.
Optionally, oblique reinforcing beam is additionally provided in the stepped region, the oblique reinforcing beam is located at stepped region biography
Between power stringer and middle stringer, one end of the oblique reinforcing beam is connected to the stepped region power transmission stringer, and the other end is connected to
Second middle cross beam.
According to another aspect of the disclosure, a kind of car is provided, the car includes above-mentioned front frame.
Through the above technical solutions, in car central collision, since the longitudinal strength in collision energy-absorbing area is less than driver area
Longitudinal strength, collision energy-absorbing area can deform prior to driver area, absorb the Impact energy of the overwhelming majority, drive to reduce
The deformation in the area Shi Yuan and passenger area (positioned at the rear in collision energy-absorbing area) improves the overall stiffness in front frame driver area and strong
Degree, ensure that the life security of driver and passenger.
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 schematic perspective view for the front frame that disclosure illustrative embodiments provide；
Fig. 2 be disclosure illustrative embodiments provide front frame schematic perspective view, wherein part column and
Beam is not shown；
Fig. 3 is the schematic perspective view (different from the visual angle Fig. 2) for the front frame that disclosure illustrative embodiments provide,
Wherein, part column and beam are not shown；
Fig. 4 is the top view for the front frame that disclosure illustrative embodiments provide, wherein part beam is not shown；
Fig. 5 is the sectional view for the beam for being provided with stiffening plate that disclosure illustrative embodiments provide.
Description of symbols
1 driver area, 11 the first power transmission of driver area top stringer
12 the second power transmission of driver area top stringer, 13 the first power transmission of driver area cant beam
14 the second power transmission of driver area cant beam, 15 driver area lower part power transmission stringer
16 cant beam, 2 stepped region
The oblique reinforcing beam of 21 stepped region power transmission stringer 22
3 collision energy-absorbing area, 31 first top crumple energy-absorbing beam
32 second top crumple energy-absorbing beam, 33 third top crumple energy-absorbing beam
34 lower part crumple energy-absorbing beam, 35 crumple zones power transmission stringer
4 battery area, 51 first front column
52 second front column, 53 third front column
The 5th front column of 54 the 4th front column 55
61 first central post, 62 second central post
The 4th central post of 63 third central post 64
71 first rear column, 72 second rear column
73 third rear column, 81 first bumper mounting base
82 second bumper mounting base, 83 third bumper mounting base
84 the 4th bumper mounting base, 9 stiffening plate
100 front beam, 110 second middle cross beam
120 first middle cross beam, 130 rear cross beam
Stringer in 140 left stringers 150
151 crumple energy-absorbing section, 160 right vertical beam
161 first right vertical beam, 162 second right vertical beam
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 " is logical
It is often for the state of normal vehicle operation, specifically, in normal vehicle operation, the direction towards headstock is
" preceding ", the direction of facing tailstock are " rear ", and towards the direction "upper" of ceiling, the direction towards floor is "lower", towards left wheel
Direction " left side ", towards the direction of right wheel be " right side ", in addition, in the disclosure, the extending direction of " stringer " is along vehicle
Front-rear direction, the extending direction of " crossbeam " are the left and right directions along vehicle, and " X to " refers to the front-rear direction of vehicle, " X to plane "
Refer to X to vertical plane；" Y-direction " refers to the left and right directions of vehicle, and " Y-direction plane " refers to the plane vertical with Y-direction.
As shown in Figures 1 to 5, the disclosure provides a kind of front frame, for example, a kind of front frame for car, the front truck
Frame includes the driver area 1 being disposed adjacent and collision energy-absorbing area 3, stepped region 2, battery area 4, can be used for pacifying at stepped region 2
Step and car front door are filled, so that passenger enters inside car, which is located at the left or right side in driver area 1, stores
Battery area 4 is for installing battery, with to the power supply for electrical equipment of car, which can be behind stepped region 2
Side, collision energy-absorbing area 3 reduce the acceleration of car for absorbing collision energy.In a kind of exemplary implementation that the disclosure provides
In mode, collision energy-absorbing area 3 is located at the rear in driver area 1, and is located at the front of passenger area (not shown), the collision energy-absorbing area
3 longitudinal strength (ability of resistance to deformation and fracture under by longitudinal external force) is less than the longitudinal strength in driver area 1,
When head-on crash occurs for vehicle, impact force is transmitted to collision energy-absorbing area 3 by driver area 1, makes the deformation of collision energy-absorbing area 3 to inhale
Receive collision energy.
In this way, since the longitudinal strength in collision energy-absorbing area 3 is less than the longitudinal strength in driver area 1, being touched in car central collision
Hitting energy-absorbing area 3 can deform prior to driver area 1, the Impact energy of the overwhelming majority be absorbed, to reduce 1 He of driver area
The deformation of passenger area (positioned at the rear in collision energy-absorbing area 3, being not shown in the figure) improves the whole rigid of front frame driver area 1
Degree and intensity, ensure that the life security of driver and passenger.
Further, multiple crumple energy-absorbing beams extended along the longitudinal direction are disposed in collision energy-absorbing area 3, so that car is just
When touching, crumple deformation can occur by crumple energy-absorbing beam for collision energy-absorbing area 3.Since the deflection of crumple deformation is larger, absorption
Collision energy is more, can improve the energy-absorbing effect in collision energy-absorbing area 3 to the greatest extent.Meanwhile it can be with cloth in collision energy-absorbing area 3
Multiple crumple zones power transmission stringers 35 extended along the longitudinal direction are set, to connect driver area 1 and passenger area, and improve collision energy-absorbing
The rigidity of the globality in area 3 and entire front frame.Crumple zones power transmission stringer 35 and crumple energy-absorbing beam interlaced can arrange, can
Selection of land, crumple energy-absorbing beam can be arranged in the centre in collision energy-absorbing area 3, and crumple zones power transmission stringer 35 can be arranged in collision energy-absorbing
The left and right sides in area 3 and/or upper and lower two sides, so that the longitudinal rigidity of energy-absorbing area surrounding and longitudinal strength will be greater than in the middle part of energy-absorbing area
Longitudinal rigidity and longitudinal strength, in this way, collision energy-absorbing area 3 can be integrally to centre when collision energy-absorbing area 3 is by shock loading
Recess, the more conducively absorption of energy.
Further, to enable crumple energy-absorbing beam that fold compressive deformation occurs towards preset direction (for example, front-rear direction),
As shown in Figures 1 to 4, at least part of crumple energy-absorbing beam is formed as bellows structure, and the bellows structure is along front and back
To extension, to ensure that X can occur for crumple energy-absorbing beam to compressive deformation when being hit by forward direction.In this way, not only can be with maximum journey
The acceleration of the reduction car of degree, can also avoid crumple energy-absorbing beam that bending occurs and the existence for invading driver or passenger is empty
Between, secondary injury is caused to driver or passenger.
In the specific embodiment that the disclosure provides, as shown in Figures 1 to 4, above-mentioned front frame includes front beam 100, the
Two middle cross beams 110, the first middle cross beam 120, rear cross beam 130, left stringer 140, middle stringer 150 and right vertical beam 160, front beam
100, rear cross beam 130, left stringer 140 and right vertical beam 160 surround rectangle, and middle stringer 150 is located at left stringer 140 and right vertical beam 160
Between, the front end of middle stringer 150 is connected to front beam 100, and the rear end of middle stringer 150 is connected to rear cross beam 130, the second middle cross beam
110 and first middle cross beam 120 be parallel to each other and between front beam 100 and rear cross beam 130, the right end of the second middle cross beam 110
It is connected to right vertical beam 160,110 left end of the second middle cross beam is connected to middle stringer 150, during the right end of the first middle cross beam 120 is connected to
Stringer 150, the left end of the first middle cross beam 120 are connected to left stringer 140, right vertical beam 160, front beam 100, middle stringer 150 and
Two middle cross beams 110 surround stepped region 2, and right vertical beam 160, the second middle cross beam 110, middle stringer 150 and rear cross beam 130 surround battery
Area 4, middle stringer 150, front beam 100, left stringer 140 and the first middle cross beam 120 surround driver area 1, middle stringer 150, first
Middle cross beam 120, left stringer 140 and rear cross beam 130 surround collision energy-absorbing area 3.Above-mentioned front beam 100, the second middle cross beam 110,
One middle cross beam 120, rear cross beam 130, left stringer 140, middle stringer 150, right vertical beam 160 can not only constitute the whole frame of front frame
Frame improves the globality of front frame, is also equipped with the effect of longitudinal or lateral transmitting impact force.
Further, as shown in figure 3, front frame further includes multiple lower part crumple energy-absorbing beams 34, multiple lower part crumple is inhaled
Energy beam 34 is respectively positioned on collision energy-absorbing area 3, and interval setting in left-right direction, the front end and first of each lower part crumple energy-absorbing beam 34
Middle cross beam 120 is connected, and rear end is connected with rear cross beam 130, to guarantee the absorption of the collision energy of front frame lower part.
As shown in Fig. 2, middle stringer 150, between stepped region 2 and driver area 1, stringer 150 is not only before constituting in this
The girder of vehicle frame general frame, and the main power transmission stringer of transmitting collision energy.Therefore, the exemplary reality provided in the disclosure
It applies in mode, stringer 150 has crumple energy-absorbing section 151 among the above, and crumple energy-absorbing section 151 is located at the first middle cross beam 120 and rear cross
Between beam 130.In this way, when car is by central collision, impact force can the front end of therefrom stringer 150 be transmitted to middle stringer 150
The collision energy that middle stringer 150 is subject to can be absorbed in crumple energy-absorbing section 151, the crumple energy-absorbing section 151, and middle stringer 150 is avoided to send out
Raw bending.
As depicted in figs. 1 and 2, in the specific embodiment that the disclosure provides, front frame further includes multiple front columns, multiple
Central post, multiple rear columns, multiple driver areas transfer beam and multiple top crumple energy-absorbing beams.Multiple front columns and preceding cross
Beam 100 is generally aligned in the same plane (X to plane), and multiple central posts and the first middle cross beam 120 are generally aligned in the same plane (X to plane), more
A rear column and rear cross beam 130 are generally aligned in the same plane (X to plane), multiple front column, central post, rear column lower end can be with
It is connected with front beam 100, the first middle cross beam 120, rear cross beam 130 respectively, or is connected to front beam by other structures
100, the first middle cross beam 120, rear cross beam 130.Bumper mounting base, multiple driver areas transfer beam are installed on above-mentioned front column
Be connected with front column and central post, multiple top crumple energy-absorbing beams are connected between central post and rear column, in this way, bumper by
To impact force driver area transfer beam can be passed to by bumper mounting base, then passed to by driver area transfer beam
Crumple energy-absorbing beam in portion's cooperates top crumple energy-absorbing beam and lower part crumple energy-absorbing beam 34, and crumple deformation occurs, absorbs impact energy
Amount reduces the acceleration of car, guarantees the safety of driver and passenger.
Further, above-mentioned multiple driver areas transfer beam includes the multiple driver Qu Chuanli stringers being parallel to each other and phase
Mutually parallel Liang Ge driver's Qu Chuanli cant beam, multiple driver Qu Chuanli stringers include driver area top power transmission stringer, should
The front end of driver area top power transmission stringer and front column vector, the rear end of driver area top power transmission stringer and central post phase
Even, the front end of driver's Qu Chuanli cant beam is connected with front column, and the rear end of driver's Qu Chuanli cant beam is connected with central post.It is above-mentioned
Impact force can be longitudinally transmitted to collision energy-absorbing area 3 by driver area top power transmission stringer, and driver's Qu Chuanli cant beam not only may be used
Can be also used for suspension spare tyre for transmitting impact force.Driver Qu Chuanli cant beam can be located at driver area top
The lower section of power transmission stringer, and for the ease of the suspension of spare tyre, the front end of driver's Qu Chuanli cant beam can be higher than thereafter
End.
The particular number of above-mentioned front column, central post, rear column, driver area transfer beam and top crumple energy-absorbing beam
And arrangement can there are many, the disclosure provide specific embodiment in, as depicted in figs. 1 and 2, multiple front column packets
The first front column 51 is included, the first bumper mounting base 81 is installed on first front column 51, multiple central posts include in first
Column 61, multiple rear columns include the first rear column 71, and multiple driver Qu Chuanli stringers include that driver area top first passes
Power stringer 11, multiple top crumple energy-absorbing beams include the first top crumple energy-absorbing beam 31, the lower end of the first front column 51 and preceding cross
Beam 100 is connected, and the lower end of the first central post 61 is connected with middle stringer 150, and the lower end of the first rear column 71 is connected with floor side member, drives
The front end of the first power transmission of the area Shi Yuan top stringer 11 is connected with the first front column 51, and rear end is connected with the first central post 61, and first
The front end of top crumple energy-absorbing beam 31 is connected with the first central post 61, stands behind the rear end and first of the first top crumple energy-absorbing beam 31
Column 71 is connected, and the first front column 51, the first central post 61, the first rear column 71, middle stringer 150, driver area top first pass
Power stringer 11, the first top crumple energy-absorbing beam 31 are located at same Y-direction plane.In this way, touching of being subject to of the first bumper mounting base 81
Collision energy-absorbing area 3 can be transmitted to by the first power transmission of driver area top stringer 11, middle stringer 150 backward by hitting impact force, and
Collision energy is absorbed by the crumple energy-absorbing section 151 of the first top crumple energy-absorbing beam 31 and middle stringer 150.
Further, multiple front columns further include the second front column 52 and third front column 53 positioned at driver area 1, should
Second bumper mounting base 82 is installed, multiple central posts further include being located at the between second front column 52 and third front column 53
Second central post 62 in one central post, 61 left side, multiple rear columns further include the second rear column positioned at 71 left side of the first rear column
72, multiple driver Qu Chuanli stringers further include the second power transmission of driver area top stringer 12, and multiple top crumple energy-absorbing beams are also
Including the second top crumple energy-absorbing beam 32.The lower end of second front column 52 is connected with front beam 100, upper end and driver area top
Second power transmission stringer 12 is connected, and the rear end of the second power transmission of driver area top stringer 12 is connected with the second central post 62, on second
The front end of portion's crumple energy-absorbing beam 32 is connected with the second central post 62, and rear end is connected with the second rear column 72, second front column 52,
The second power transmission of driver area top stringer 12, the second central post 62, the second rear column 72 are located at same Y-direction plane.In this way, second
The collision impact that bumper mounting base 82 is subject to can be transmitted to backward by the second power transmission of driver area top stringer 12 and be touched
Energy-absorbing area 3 is hit, and collision energy is absorbed by the second top crumple energy-absorbing beam 32.
As depicted in figs. 1 and 2, multiple central posts further include third central post 63 and the 4th central post 64, and the third is neutral
The left side of the second central post 62 is arranged in column 63, and the right side of the second central post 62, multiple rear columns are arranged in the 4th central post 64
It further include third rear column 73, the third rear column 73 and third central post 63 are located at same Y-direction plane, above-mentioned driver Qu Chuan
Power cant beam includes the first power transmission of driver area cant beam 13 and the second power transmission of driver area cant beam 14, and multiple top crumple energy-absorbing beams are also
Including third top crumple energy-absorbing beam 33, the front end of the first power transmission of driver area cant beam 13 is connected to the second front column 52, rear end
It is connected to the 4th central post 64, the front end of the second power transmission of driver area cant beam 14 is connected to third front column 53, and rear end is connected to
Third central post 63, third top crumple energy-absorbing beam 33 are connected between third central post 63 and the 4th central post 64, and close
The rear end of the second power transmission of driver area cant beam 14.In this way, the collision impact that the second bumper mounting base 82 is subject to can pass through
The first power transmission of driver area cant beam 13 and the second power transmission of driver area cant beam 14 are transmitted to collision energy-absorbing area 3 backward, and pass through the
Three top crumple energy-absorbing beams 33 and lower part crumple energy-absorbing beam 34 absorb collision energy.Optionally, lower part crumple energy-absorbing beam 34 is reliable
Nearly driver's Qu Chuanli cant beam arrangement, in favor of the absorption of collision energy.
Further, multiple front columns further include the 4th front column 54 and the 5th front column 55, the 4th front column 54 and
The lower end of five front columns 55 is connect with front beam 100, and the 4th front column 54 and right vertical beam 160 are located at same Y-direction plane, and the 5th
Front column 55 and left stringer 140 are located at same Y-direction plane, are equipped with third bumper mounting base 83 on the 4th front column 54, the
The 4th bumper mounting base 84 is installed on five front columns 55.The collision impact that third bumper mounting base 83 is subject to can lead to
It crosses right vertical beam 160 and is transmitted to passenger area, the collision impact that the 4th bumper mounting base 84 is subject to can be passed by left stringer 140
It is delivered to passenger area, in favor of the dispersion of collision energy.
Further, since the lower space in driver area 1, that is, the lower section of driver's Qu Chuanli cant beam will be used to store spare
The rigidity of tire, 1 lower part of driver area is likely less than the rigidity on 1 top of driver area, when central collision occurs, driver area 1
Lower part is easy rapid deformation, generates lateral moment of flexure, so as to cause bending due to the lateral moment of flexure of other stringers, influences driver area
1 longitudinal rigidity and longitudinal strength.Therefore, multiple driver Qu Chuanli stringers can also include driver area lower part power transmission stringer
15, to enhance the longitudinal rigidity and longitudinal strength of 1 lower part of driver area, driver area lower part power transmission stringer 15 is located at middle stringer
Between 150 and left stringer 140, the front end of driver area lower part power transmission stringer 15 is connected with front beam 100, and driver area lower part passes
The rear end of power stringer 15 is connected with the first middle cross beam 120, driver area lower part power transmission stringer 15, front beam 100, left stringer 140
Rectangular configuration is surrounded with the first middle cross beam 120, the four corners of the rectangular configuration are provided with cant beam 16, to enhance driver area lower part
The warping resistance performance of power transmission stringer 15, front beam 100, left stringer 140 and the first middle cross beam 120 improves the driving in front frame
The overall stiffness in member area 1.
Further, as shown in figure 5, the cross section of driver area lower part power transmission stringer 15 and left stringer 140 is formed as empty
Heart rectangular configuration, driver area lower part power transmission stringer 15 and left stringer 140 are internally provided with stiffening plate 9, further to increase
The longitudinal rigidity and longitudinal strength of 1 lower part of strong driver area.Further, since the front end of driver's Qu Chuanli cant beam is higher than thereafter
End, stress is easy bending in collision process, for the rigidity and warping resistance performance for enhancing driver Qu Chuanli cant beam, driver area
The cross section of power transmission cant beam can be formed as hollow rectangle structure, and stiffening plate 9 is arranged in the inside of driver's Qu Chuanli cant beam.
In this way, the stiffness and strength of 1 lower part of driver area can be enhanced, the stiffness and strength of 1 lower part of driver area is enable to approach or wait
Stiffness and strength in 1 top of driver area reduce each stringer bending in driver area 1 to guarantee the globality in driver area 1
Possibility.
In addition, as depicted in figs. 1 and 2, right vertical beam 160 includes first in the illustrative embodiments that the disclosure provides
Right vertical beam 161 and the second right vertical beam 162, the front end of the first right vertical beam 161 are connected to front beam 100, after the first right vertical beam 161
End is connected to the second middle cross beam 110, and the front end of the second right vertical beam 162 is connected to the second middle cross beam 110, the second right vertical beam 162
Rear end is connected to rear cross beam 130, and the first right vertical beam 161, front beam 100, middle stringer 150, the second middle cross beam 110 surround stepped region
2, the second right vertical beam 162, the second middle cross beam 110, middle stringer 150, rear cross beam 130 surround battery area 4.
Due to front door, step and the isostructural presence of battery, the longitudinal rigidity and longitudinal strength on the right side of front frame are small
Longitudinal rigidity and longitudinal strength in left side, that is, the longitudinal rigidity and longitudinal strength in stepped region 2 and battery area 4, which are less than, to be driven
The longitudinal rigidity and longitudinal strength in member area 1, when central collision occurs, stepped region 2 and battery area 4 are easy first to deform and generate
Moment of flexure leads to each stringer bending in driver area 1, reduces the longitudinal rigidity in driver area 1 and longitudinal strength, front frame is whole
Body deformation.Therefore, in the illustrative embodiments that the disclosure provides, as depicted in figs. 1 and 2, front frame can also include platform
Rank area power transmission stringer 21, to enhance the longitudinal rigidity and longitudinal strength of stepped region 2, it is right vertical that stepped region power transmission stringer 21 is located at first
Between beam 161 and middle stringer 150, the front end of stepped region power transmission stringer 21 is connected to front beam 100, stepped region power transmission stringer 21
Rear end is connected to the second middle cross beam 110.
Further, as shown in figure 5, the cross section of the first right vertical beam 161 and stepped region power transmission stringer 21 is formed as hollow
Stiffening plate 9 has can be set in the inside of rectangular configuration, the first right vertical beam 161 and stepped region power transmission stringer 21, to mention as far as possible
The longitudinal rigidity and longitudinal strength of high stepped region 2.In addition, to improve the longitudinal rigidity and longitudinal strength in battery area 4, Ke Yizeng
Add the width of the second right vertical beam 162, or is also provided with stiffening plate 9 in the inside of the second right vertical beam 162.In this way, step can be improved
The longitudinal rigidity and longitudinal strength in area 2 and battery area 4, connect the longitudinal rigidity of stepped region 2 and battery area 4 and longitudinal strength
A possibility that longitudinal rigidity and longitudinal strength close or equal to driver area 1, reduction front frame overall deformation.
Further, oblique reinforcing beam 22 is additionally provided in stepped region 2, oblique reinforcing beam 22 is located at stepped region power transmission stringer
Between 21 and middle stringer 150, one end of oblique reinforcing beam 22 is connected to stepped region power transmission stringer 21, and the other end is connected in second
Crossbeam 110, further to enhance the warping resistance performance and longitudinal rigidity and longitudinal strength of stepped region power transmission stringer 21.
The disclosure also provides a kind of car, which includes above-mentioned car front frame.
The preferred 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, 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 (17)
1. a kind of front frame, which is characterized in that the front frame includes the driver area (1) and collision energy-absorbing area being disposed adjacent
(3), the longitudinal strength of the collision energy-absorbing area (3) is less than the longitudinal strength of the driver area (1), and head-on crash occurs for vehicle
When, impact force is transmitted to the collision energy-absorbing area (3) by the driver area (1), make collision energy-absorbing area (3) deformation with
Absorb collision energy.
2. front frame according to claim 1, which is characterized in that be disposed in the collision energy-absorbing area (3) multiple along preceding
The crumple energy-absorbing beam that rear direction extends.
3. front frame according to claim 2, which is characterized in that at least part of the crumple energy-absorbing beam is formed as wave
Line pipe structure.
4. front frame according to claim 1, which is characterized in that the front frame further includes stepped region (2) and battery
Area (4), the collision energy-absorbing area (3) are located at the rear of the driver area (1), and the stepped region (2) is located at the driver
The left or right in area (1), the battery area (4) are located at the rear of the stepped region (2).
5. front frame according to claim 1 or 4, which is characterized in that the front frame includes front beam (100), first
Middle cross beam (120), rear cross beam (130), left stringer (140), middle stringer (150) and right vertical beam (160), the front beam
(100), the rear cross beam (130), the left stringer (140) and the right vertical beam (160) surround rectangle, the middle stringer
(150) between the left stringer (140) and right vertical beam (160), the front end of the middle stringer (150) is connected to described preceding horizontal
The rear end of beam (100), the middle stringer (150) is connected to the rear cross beam (130), and first middle cross beam (120) is located at institute
It states between front beam (100) and rear cross beam (130), the right end of first middle cross beam (120) is connected to the middle stringer
(150), the left end of first middle cross beam (120) is connected to the left stringer (140), the middle stringer (150), the preceding cross
Beam (100), the left stringer (140) and first middle cross beam (120) surround the driver area (1), the middle stringer
(150), first middle cross beam (120), the left stringer (140) and the rear cross beam (130) surround the collision energy-absorbing area
(3)。
6. front frame according to claim 5, which is characterized in that the front frame further includes multiple lower part crumple energy-absorbing beams
(34), multiple lower part crumple energy-absorbing beam (34) is spaced setting in left-right direction, each lower part crumple energy-absorbing beam (34)
Front end is connected with first middle cross beam (120), and rear end is connected with the rear cross beam (130).
7. front frame according to claim 5, which is characterized in that the middle stringer (150) has crumple energy-absorbing section
(151), the crumple energy-absorbing section (151) is between first middle cross beam (120) and rear cross beam (130).
8. front frame according to claim 5, which is characterized in that the front frame further includes multiple front columns, Duo Gezhong
Column, multiple rear columns, multiple driver areas transfer beam and multiple top crumple energy-absorbing beams, the multiple front column and institute
It states front beam (100) to be generally aligned in the same plane, the multiple central post is generally aligned in the same plane with first middle cross beam (120), institute
It states multiple rear columns to be generally aligned in the same plane with the rear cross beam (130), the multiple driver area transfer beam and the front column
It is connected with the central post, the multiple top crumple energy-absorbing beam is connected between the central post and the rear column.
9. front frame according to claim 8, which is characterized in that the multiple driver area transfer beam includes being parallel to each other
Multiple driver Qu Chuanli stringers and Liang Ge driver's Qu Chuanli cant beam for being parallel to each other, the multiple driver Qu Chuanli it is vertical
Beam includes driver area top power transmission stringer, and the front end of driver area top power transmission stringer is connected with the front column, institute
The rear end for stating driver area top power transmission stringer is connected with the central post, the front end of the driver Qu Chuanli cant beam with it is described
Front column is connected, and the rear end of the driver Qu Chuanli cant beam is connected with the central post.
10. front frame according to claim 9, which is characterized in that the multiple driver Qu Chuanli stringer further includes driving
The area Shi Yuan lower part power transmission stringer (15), driver area lower part power transmission stringer (15) are located at the middle stringer (150) and Zuo Zong
Between beam (140), the front end of driver area lower part power transmission stringer (15) is connected with the front beam (100), the driving
The rear end of member's area lower part power transmission stringer (15) is connected with first middle cross beam (120), driver area lower part power transmission stringer
(15), the front beam (100), the left stringer (140) and first middle cross beam (120) surround rectangular configuration, the rectangle
The four corners of structure are provided with cant beam (16).
11. front frame according to claim 10, which is characterized in that the driver Qu Chuanli cant beam, the driver
The cross section of area lower part power transmission stringer (15) and the left stringer (140) is formed as hollow rectangle structure, the driver Qu Chuan
Power cant beam, driver area lower part power transmission stringer (15) and the left stringer (140) are internally provided with stiffening plate (9).
12. front frame according to claim 5, which is characterized in that the front frame further includes the second middle cross beam (110),
The right end of second middle cross beam (110) is connected to the right vertical beam (160), the left end connection of second middle cross beam (110)
In the middle stringer (150), the right vertical beam (160), the front beam (100), in the middle stringer (150) and described second
Crossbeam (110) surrounds stepped region (2), the right vertical beam (160), second middle cross beam (110), the middle stringer (150) and
The rear cross beam (130) surrounds battery area (4).
13. front frame according to claim 12, which is characterized in that the right vertical beam (160) includes the first right vertical beam
(161) it is connected to front beam (100) with the second right vertical beam (162), the front end of first right vertical beam (161), described first is right
The rear end of stringer (161) is connected to second middle cross beam (110), and the front end of second right vertical beam (162) is connected to described
The rear end of second middle cross beam (110), second right vertical beam (162) is connected to the rear cross beam (130), first right vertical beam
(161), the front beam (100), the middle stringer (150), second middle cross beam (110) surround the stepped region (2), institute
State the second right vertical beam (162), second middle cross beam (110), the middle stringer (150), the rear cross beam (130) surround it is described
Battery area (4).
14. front frame according to claim 13, which is characterized in that the front frame further includes stepped region power transmission stringer
(21), the stepped region power transmission stringer (21) is between first right vertical beam (161) and middle stringer (150), the step
The front end of area's power transmission stringer (21) is connected to the front beam (100), and the rear end of the stepped region power transmission stringer (21) is connected to
Second middle cross beam (110).
15. front frame according to claim 14, which is characterized in that first right vertical beam (161) and stepped region power transmission
The cross section of stringer (21) is formed as hollow rectangle structure, first right vertical beam (161) and stepped region power transmission stringer (21)
It is internally provided with stiffening plate (9).
16. front frame according to claim 14, which is characterized in that be additionally provided with oblique reinforcement in the stepped region (2)
Beam (22), the oblique reinforcing beam (22) are described oblique between the stepped region power transmission stringer (21) and middle stringer (150)
One end of reinforcing beam (22) is connected to the stepped region power transmission stringer (21), and the other end is connected to second middle cross beam (110).
17. a kind of car, which is characterized in that the car includes front frame described in any one of claim 1-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289460.9A CN110316251B (en) | 2018-03-30 | 2018-03-30 | Front frame and passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289460.9A CN110316251B (en) | 2018-03-30 | 2018-03-30 | Front frame and passenger car |
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| Publication Number | Publication Date |
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| CN110316251A true CN110316251A (en) | 2019-10-11 |
| CN110316251B CN110316251B (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810289460.9A Active CN110316251B (en) | 2018-03-30 | 2018-03-30 | Front frame and passenger car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024237A1 (en) * | 2021-08-27 | 2023-03-02 | 浙江中车电车有限公司 | Electric-bus frame |
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| Publication number | Publication date |
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| CN110316251B (en) | 2021-04-20 |
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