CN109562794A - Body construction - Google Patents
Body construction Download PDFInfo
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- CN109562794A CN109562794A CN201780048931.0A CN201780048931A CN109562794A CN 109562794 A CN109562794 A CN 109562794A CN 201780048931 A CN201780048931 A CN 201780048931A CN 109562794 A CN109562794 A CN 109562794A
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- China
- Prior art keywords
- front panel
- vehicle
- frame
- body construction
- front side
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
Abstract
A kind of body construction (1) is provided, the increase of vehicle weight and manufacturing cost is able to suppress and can be deformed at the position of anticipation in vehicle collision to absorb collision load.In the range of front panel (10) and bottom plate (20), on the inner plate surface (FR2) towards car room (R2), configure hog frame (60) at intervals between front panel strengthening part (80), at least part of the hog frame is Chong Die with front side vehicle frame (50), and extend along vehicle front-rear direction, the position between front panel strengthening part (80) and hog frame (60) in front panel (10) and front side vehicle frame (50) is set as frangible portion (17).
Description
Technical field
The present invention relates to from bottom plate continuously to the body construction of front panel.
Background technique
In the past, consider it is a kind of for when deformation has occurred because of head-on crash in vehicle, mitigate the lower limb of front stall occupant by
The body construction of the load arrived.
For example, in patent document 1, proposing following body construction: in bottom plate or the upper turn of bilge (lower limb of passenger of front panel
The horizontal part of the base surface at place and bending from horizontal part front end forwards and between the rake of base surface inclined upward
Portion) along two front wall crossbeams of front and back configuration, the front end for the hog frame being disposed above along floor board framing and the two front walls is horizontal
Beam, in head-on crash, touches the front side vehicle frame by extending from front part of vehicle to what car room was transmitted in conjunction with upper turn of bilge is strengthened
It hits load and is scattered in hog frame and front wall crossbeam.
Also, through the body construction for becoming turn of bilge in such reinforcing, in head-on crash, it is suppressed that occupant in car room
Lower extremities deformation.
Existing technical literature
Patent document
Patent document 1: Japan Patent 5924331
Summary of the invention
However, in the reinforcing of patent document 1 in the body construction of turn of bilge, in head-on crash on turn of bilge will not deform,
But the low position meeting warpage of the intensity at hog frame rear can be that fulcrum is rotated with big radius of turn using the low position of the intensity.
Due to such rotation, the deflection close to the vehicle body position of lower limb towards lower limb increases compared with the case where above turn of bilge is fulcrum
Greatly.Vehicle body position close to lower limb is the position of the rear side of the appended drawing reference 85a of Fig. 1, is just and on the outside of vehicle width direction
The vehicle body position of lower limb face-off.At the position prominent to lower limb side of wheel arch shape, in left rudder vehicle, structure under the front wall of left foot side
The car room position of part or bottom plate is suitable therewith.The low position of the intensity at the rear about hog frame, if the hog frame is by along front and back
Segmentation then its junction (near the engaging portion of the bearing diagonal part and hog frame in conjunction with lower stringer of Fig. 1), punch process
Drainage hole (hole of the upper surface of the hog frame of Fig. 1) of positioning and/or electrophoretic coating etc. is suitable therewith.
In order to reduce such deflection towards lower limb and by making the plate thickness of hog frame increase or increase reinforcement part
In structure of the part to improve intensity, vehicle weight increase will lead to, and manufacturing cost increases.
In addition, the position generation existed except anticipation is super in the way for gradually reinforcing in weak place one by one
The hidden danger for the deformation envisioned out.
The present invention is made in view of above-mentioned aspect, and its purpose is to provide a kind of inhibition vehicle weight and manufacturing costs
Increase and can be deformed at the position of anticipation in vehicle collision to absorb the body construction of collision load.
To achieve the goals above, the present invention is a kind of body construction, is had: front panel, by matching along vehicle width direction
The plate-shaped member for setting and marking off power house and car room is constituted；Bottom plate, it is continuous by the lower edge with the front panel and constitute the vehicle
The plate-shaped member of the base surface of room is constituted；Front side vehicle frame, at least in the outer plate surface towards power house of front panel, along vehicle
Front-rear direction extends；Hog frame extends along vehicle front-rear direction, and at least in the inner plate surface towards car room of bottom plate
On, it is Chong Die with the front side vehicle frame at least partially；And front panel strengthening part, it configures on the inner plate surface towards car room,
The body construction is characterized in that the supreme turn of bilge of the front-end configuration of hog frame, front panel strengthening part has at least along front side
The front side vehicle frame reinforcement part of the rake configuration of vehicle frame, makes the front side vehicle frame reinforcement part of above-mentioned hog frame Yu front panel strengthening part
Be spaced apart specified interval and be set as frangible portion.
Invention effect
According to the present invention, a kind of increase being able to suppress vehicle weight and manufacturing cost and the energy in vehicle collision are provided
It is enough to be deformed at the position of anticipation to absorb the body construction of collision load.
Detailed description of the invention
Fig. 1 is the perspective view for indicating to be provided with the driver's seat part of the vehicle body of body construction of present embodiment.
Fig. 2 is the perspective view of the vehicle body for the body construction for being provided with present embodiment observed from lower face side.
Fig. 3 is the cross-sectional view along the III-III line of Fig. 4.
Fig. 4 is the top view for indicating to be provided with the driver's seat part of the vehicle body of body construction of present embodiment.
Fig. 5 is the major part main view for indicating the channel part of present embodiment.
Fig. 6 is that major part indicating the connecting structure of lower stringer and downside front wall crossbeam, observing from car chamber side is vertical
Body figure.
Fig. 7 is that major part indicating the connecting structure of lower stringer and downside front wall crossbeam, observing on the outside of vehicle is cut
Face perspective view.
Fig. 8 is the cross-sectional view for indicating the situation of mounting base.
Fig. 9 is the top view for indicating to be provided with the driver's seat part of the vehicle body of body construction of present embodiment.
Figure 10 is the major part section view for indicating to be provided with the driver's seat part of the vehicle body of body construction of present embodiment
Figure.
Specific embodiment
About embodiments of the present invention, suitably refers to attached drawing and be described in detail.Identical structural element is marked identical
Appended drawing reference, and the repetitive description thereof will be omitted.
The vehicle V for having the body construction 1 of present embodiment is as shown in Figure 1 and Figure 2, is equipped with receiving hair in the front of vehicle body
The power house R1 of the power sources such as motivation, the rear of power house R1 is adjacent to for the car room R2 of passenger riding.
In addition, vehicle V has front panel 10, bottom plate 20, lower stringer 30, passage component 40, front side vehicle frame 50, hog frame
60, subframe 70 and front panel strengthening part 80.
In addition, body construction 1 is shaped generally as bilateral symmetry, therefore in the following description, with left side (driver's seat side)
Construction centered on be illustrated.
As shown in FIG. 1 to 3, front panel 10 is made of the plate-shaped member for being configured to regulation shape by punch process etc.,
Power house R1 and car room R2 are marked off, and forms the front end of car room R2.
In addition, front panel 10 has front panel portion 11, rake 12, floor section 13, wheel cover portion 14 and incised notch portion 15.
Front panel portion 11 by plate face towards vehicle in the front-back direction in a manner of extend in vehicle up and down direction and vehicle width direction.
Rake 12 tilts downwards from the lower end of front panel portion 11 towards rear of vehicle, extends to the base surface of car room R2
Highly.
Floor section 13 rearward substantially horizontally extends from the lower end (rear end) of rake 12, constitutes the base surface of car room R2
A part.In addition, being bonded to bottom plate 20 in the rear end of floor section 13.It herein will be between above-mentioned rake 12 and floor section 13
Bending section be known as upper turn of bilge.
Wheel cover portion 14 is constituted the front-wheel of vehicle V as shown in figure 4, be set in the vehicle width direction both ends of front panel 10
A part of the car wheel cover (not shown) of the top half covering of (not shown).In addition, wheel cover portion 14 is across front panel portion 11
With the mode of rake 12, is formed as the spherical shape bloated to the side car room R2, is the vehicle body position close to lower limb.
Incised notch portion 15 is made of the incised notch of the downwardly open U-shaped shape of the central portion of the vehicle width direction in front panel 10,
The range of front panel portion 11, rake 12 and floor section 13 is formed.Also, aftermentioned passage component is bonded in incised notch portion 15
40。
Bottom plate 20 is made of the plate-shaped member for being configured to regulation shape by punch process etc., constitutes the bottom plate of car room R2
Face.In addition, on the base plate 20, outside ora terminalis in the direction of vehicle width, lower stringer 30 extends along vehicle front-rear direction.Moreover,
On bottom plate 20, in the center portion of its vehicle width direction, passage component 40 extends along vehicle front-rear direction.Also, in bottom plate 20
On, in the vehicle width direction in the plate face of the side car room R2 between lower stringer 30 and passage component 40, hog frame 60 is along vehicle
Front-rear direction extends.
Lower stringer 30 shows inner member, by the tool being extended together with external member (not shown) along vehicle front-rear direction
There is the hollow part of prism shape to constitute.Also, lower stringer 30 constitutes the side edge portions in the base surface of car room R2.In addition,
The front end portion of lower stringer 30 is engaged with the vehicle width direction end (left and right end portions) of front panel 10.
As shown in Figure 1, Figure 2, Figure 5, passage component 40 the vehicle width direction in bottom plate 20 central portion along vehicle before and after
Direction is extended.
In addition, passage component 40 is by the top plate portion 41 that extends along vehicle width direction and from the vehicle width direction of top plate portion 41
A pair of sidewalls portion 42 for extending downward of two ora terminalis, and have the groove shape of downwardly open section substantially U-shaped shape.
Moreover, passage component 40 is made of front side channel 40F and back side walkway 40R.
Front side channel 40F by top plate portion 41 more tends to rear be located lower section in a manner of tilt, with a pair of sidewalls portion 42
It is formed together groove shape (U word slot).
In addition, front side channel 40F is in vehicle, center portion is equipped with channel support member 43 in the front-back direction.
Channel support member 43 is the widened structure in interval for preventing the opening edge of U word slot.Channel support member 43 is by shape
It is constituted at the support member 45 of muscle portion 44 and configuration in the U word slot of front side channel 40F is reinforced in the top plate of top plate portion 41.
Top plate is reinforced in the front-back direction central portion of the muscle portion 44 in the top plate portion 41 of front side channel 40F and is prolonged along vehicle width direction
It stretches, from having the ridge of the section U-shaped shape protruded to the side car room R2 to constitute.
Support member 45 is that banding sheet material and the U word slot inner surface configuration of front side channel 40F is made matchingly to be flexed into U word
The position Chong Die with top plate reinforcement muscle portion 44 in the U word slot of front side channel 40F is arranged in the component of shape.
In addition, support member 45 has support reinforcing muscle portion 46.
The sidewall portion 42 of the central portion of width direction of the support reinforcing muscle portion 46 in banding sheet material, Cong Yifang passes through top plate
Portion 41 extends to the sidewall portion 42 of another party, from having the ridge structure of the section U-shaped shape protruded to the opposite side of car room R2
At.Also, muscle portion 44 is reinforced by top plate and support reinforcing muscle portion 46 forms closed space.
Back side walkway 40R and the rear of front side channel 40F are continuous, and top plate portion 41 has substantially water along vehicle front-rear direction
Flat U word groove shape.Also, in the front-end edge of the front-end edge of top plate portion 41 and a pair of sidewalls portion 42, it is formed with from groove shape
The flange part (not shown) that Inside To Outside stretches out, these flange parts are engaged with the incised notch portion 15 of front panel 10.In addition, from flute profile
The flange part that the opening edge (the lower ora terminalis of sidewall portion 42) of shape is stretched out to vehicle width direction is engaged with the bottom plate 20 of left and right.
In addition, being accommodated with transmission shaft (not shown), exhaust pipe (not shown) etc. inside the slot of passage component 40.
As shown in Figure 1 and Figure 2, front side vehicle frame 50 is made of a pair of of component.Each front side vehicle frame 50 is from front panel 10 to bottom plate
In the plate face of the side power house R1 in 20 ranges, with what is be generally parallel to each other across passage component 40 and along vehicle front-rear direction
Mode is extended.
In addition, each front side vehicle frame 50 has bearing wrist 51, bending section 52.
Bearing wrist 51 is made of the hollow member component for being shaped generally as quadrangular shape, along vehicle in power house R1
Front-rear direction is in horizontally configuring, the power sources such as supporting engine (not shown).
Bending section 52 is formed continuously from the rear end of bearing wrist 51 to above-mentioned upper turn of bilge, in the model of front panel 10 and bottom plate 20
In enclosing, extend on the outer plate surface FR1 towards power house R1 along vehicle front-rear direction.In addition, bending section 52 is in front panel 10
In the range of the front end of bottom plate 20, there is the section substantially U-shaped towards the outer plate surface FR1 opening towards power house R1
The groove shape of shape, the flange part 52a stretched out from the opening edge part of groove shape to vehicle width direction are engaged with outer plate surface FR1.Also,
Bending section 52 and outer plate surface FR1 are formed together the closed section of section quadrangle form.
In addition, bending section 52 has mounting bracket 53 and stiffening plate 54,55 (referring to Fig. 3).
Mounting bracket 53 is made of the bracket for supporting subframe 70, is arranged across front panel 10 in aftermentioned front wall
The opposite side (side power house R1) of plate strengthening part 80.
Subframe 70 supports power source with bearing wrist 51 together.Also, the lotus in collision, more than setting value
When load (collision load) is applied to subframe 70, subframe 70 is detached from from mounting bracket 53, makes power source from vehicle V points
It opens.
Stiffening plate 54,55 configure in the slot of bending section 52, the bending section 52 across front panel 10, and be located at be configured with after
The opposite side at the position of the flange part 85a stated.Also, in the slot of stiffening plate 54,55 and bending section 52, groove shape two sidewalls
And bottom wall engagement.
That is, front panel strengthening part 80 and mounting bracket 53 are relatively configured, match between flange relative to each other
Stiffening plate 54,55 is set, the closed space of rectangular-shape is formed in bending section 52.
Hog frame 60 as shown in figure 1, figure 3 and figure 4, in the range of the upper turn of bilge of front panel 10 and bottom plate 20, along vehicle
Front-rear direction extends on the inner plate surface FR2 towards car room R2.In addition, hog frame 60, which has, reinforces frame body 61 towards bottom plate
20 and downwardly open section substantially U-shaped shape groove shape, via the flange part stretched out from opening edge part to vehicle width direction
62 and engaged with bottom plate 20.
The front end portion of hog frame 60 is Chong Die with the rear end part of front side vehicle frame 50 under vertical view, and hog frame 60 with
Front panel strengthening part 80 is spaced apart defined interval and configures.
In addition, hog frame 60 is with the position on the vehicle front-rear direction of front end portion (close to the end of 17 this side of frangible portion)
The mode substantially uniform with the position on the vehicle front-rear direction of the front end portion of lower stringer 30 (10 side end of front panel) is set to match
It sets (referring to the auxiliary line L1 of Fig. 4).
Also, the position quilt between front panel strengthening part 80 and hog frame 60 in front panel 10 and front side vehicle frame 50
It is set as the low frangible portion 17 of the intensity compared with other positions (variable regions: the region preferentially deformed relative to external force).
Moreover, at the overlapped position of the rear end part of the front end portion of hog frame 60 and front side vehicle frame 50 towards
The area of section in section is configured to be respectively smaller than the area of section at other positions vehicle in the front-back direction.
On this basis, moreover, each groove shape (height dimension) is smoothly varying, so that by front side vehicle frame 50 and front panel
The area of section of 10 closed sections formed and the sum of the area of section of closed section formed by hog frame 60 and front panel 1O
It is approximately fixed along vehicle front-rear direction.
Front panel strengthening part 80 is as shown in figure 4, by multiple strengthening parts on the inner plate surface FR2 that configured in front panel 10
(indulging frame 81, upper beam 82, braking main hydraulic cylinder mounting bracket 83, upper front wall crossbeam 84 and lower front wall crossbeam 85 in center) is constituted.
Center is indulged frame 81 and is made of the pair of right and left component configured across passage component 40, on the top for constituting passage component 40
On the extended line L2 of the ridgeline portions on the boundary in plate portion 41 and a pair of sidewalls portion 42 (vehicle up and down direction), in the vehicle of front panel portion 11
It is configured in parallel in the R2 lateral plates of room.
Frame 81 is indulged at center to be had towards front panel portion 11 to the groove shape of the section of open front substantially U-shaped shape, via from opening
Flange part 81a that peristoma part is stretched out to vehicle width direction and engaged with front panel 10.
Upper beam 82 is made of the pair of right and left component configured across passage component 40, on the top for becoming front side channel 40F
On the extended line L3 of the ridgeline portions on the boundary of front-end edge and front panel portion 11 in plate portion 41 (vehicle width direction), configure in front panel portion
In 11 car room R2 lateral plates.
Upper beam 82 has the groove shape towards front panel portion 11 to the section of open front substantially U-shaped shape, via from opening
Edge is divided the flange part 82a vertically stretched out and is engaged with front panel 10.
Braking main hydraulic cylinder mounting bracket 83 is located at front end side extended line (the vehicle front and back of the hog frame 60 of driver's seat side
To) on, and it is configured in the state of with the connection of the vehicle width direction outboard end part of upper beam 82 side car room R2 of front panel portion 11
In plate face.
Upper front wall crossbeam 84 is made of the pair of right and left component configured across passage component 40, the interior side in vehicle width direction
End is located in the car room R2 lateral plates for becoming the boundary part of front panel portion 11 and rake 12, and pacifies with braking main hydraulic cylinder
The lower section for filling bracket 83 is adjacent.
In addition, upper front wall crossbeam 84 is with tending on the outside of vehicle width direction, and from the boundary portion of front panel portion 11 and rake 12
Quartile is in wheel cover portion 14.
Also, upper front wall crossbeam 84 has the groove shape towards front panel 10 to the section of open front substantially U-shaped shape,
It is engaged via the flange part 84a vertically stretched out from opening edge part with front panel 10.
Lower front wall crossbeam 85 is made of the pair of right and left component configured across passage component 40, from lower stringer 30 to front side
In the range of the 40F of channel, along vehicle width direction configuration in the car room R2 lateral plates of front panel 10.In addition, lower front wall crossbeam 85
Positioned at the lower section (rear) of upper front wall crossbeam 84, and along the boundary part of wheel cover portion 14 and rake 12 in rake 12
On be extended along the width of the car.
Lower front wall crossbeam 85 has the groove shape of the section shape generally L-shaped towards front panel 10 to open front, via from
Flange part 85a that opening edge part is vertically stretched out and engaged with front panel 10.In addition, lower front wall crossbeam 85 is in vehicle width side
Outside side end has outboard flanges portion 85b, and medial end has medial flange portion 85c in the direction of vehicle width.
Outboard flanges portion 85b is as shown in Figure 6, Figure 7, from the longitudinal wall part from L-shaped shape to the tabs structure of rear of vehicle warpage
At.Also, outboard flanges portion 85b is out of, the front end of lower stringer 30 is inserted into lower stringer 30 column, in the end of lower stringer 30
Surface engagement.
Medial flange portion 85c is made of the tabs stretched out to the outside of L-shaped shape.Also, medial flange portion 85c and front side
The position of the sidewall portion 42 for being provided with channel support member 43 of channel 40F engages.
That is, the lower front wall crossbeam 85 of driver's seat side and the lower front wall crossbeam 85 of co-pilot seat side are logical in sandwich
Road supporting element 43 and the lower stringer 30 of the left and right sides is connected.
In addition, lower front wall crossbeam 85 is in plan view, at the position Chong Die with front side vehicle frame 50, to be overlapped in upper beam
82 mode has the bridge formation portion 85d that (front) extends upwards.
Therefore, main hydraulic cylinder mounting bracket is braked from front (top) towards rear (lower section) along front side vehicle frame 50
83, upper front wall crossbeam 84, bridge formation portion 85d, lower front wall crossbeam 85 are continuous, and are extended with hog frame 60 across frangible portion 17.
That is, the car room R2 lateral plates at the position in the front panel 10 and bottom plate 20 extended for front side vehicle frame 50
On, other than frangible portion 17, it is configured with strengthening part.
Front panel strengthening part 80 constitutes car wheel cover reinforcement part as shown in figure 8, by each strengthening part combination above-mentioned
80A, front side vehicle frame reinforcement part 80B, steering shaft opening surrounding reinforcement part 80C.
Car wheel cover reinforcement part 80A the quadrilateral area of upper and lower front wall crossbeam encirclement to be made of.Also, car wheel cover is reinforced
Portion 80A generates counter-force when small offset collision A (small area overlapping collision) occurs.
Front side vehicle frame reinforcement part 80B in front panel 10 and bottom plate 20, for front side vehicle frame 50 extend position car room
In R2 lateral plates, configured with braking main hydraulic cylinder mounting bracket 83, at least part of upper and lower front wall crossbeam.Also, front side
Vehicle frame reinforcement part 80B generates counter-force for the external force for being applied to front side vehicle frame of whole plane head-on crash B.
Steering shaft is open surrounding reinforcement part 80C by upper and lower front wall crossbeam, braking main hydraulic cylinder mounting bracket 83, upper cross
The quadrilateral area that beam 82, center indulge frame 81, channel support member 43 is surrounded is constituted.
Also, steering shaft be open surrounding reinforcement part 80C due to collision and power source retreats simultaneously in power house R1
C when encountering front panel 10 generates counter-force.
Next, movement when illustrating the head-on crash of the body construction 1 of present embodiment referring to Fig. 9.
Due to the frontal collisions such as small offset collision, whole plane head-on crash and these forms collision and cause in front side
Collision load is had input in vehicle frame 50 and subframe 70.
In the case where being input to the size of collision load of front side vehicle frame 50 and subframe 70 is setting value or more, secondary vehicle
Frame 70 is detached from from vehicle frame, and front side vehicle frame 50 is with frangible portion 17 (variable regions) for center warpage.
Be input to front side vehicle frame 50 collision load be used as via support wrist 51 by the front panel portion 11 of front panel 10 backward
The load that just pushes and play a role.
At this point, front side vehicle frame 50 and front panel 10 are being scratched in the case where the collision load of input is smaller than specified value
Shape after the flexible deformations such as song, before being restored to collision.However, in the case where the collision load of input is bigger than specified value, it is preceding
Side vehicle frame 50 and front panel 10 generate warpage with the intensity frangible portion 17 lower than other positions, are deformed into the shape of appended drawing reference 50A
Shape.
In addition, in the case where the collision load for being input to subframe 70 has been more than from aforementioned different specified value, secondary vehicle
Frame 70 is detached from from mounting bracket 53.
Function and effect below are played in the body construction 1 of the present embodiment described above constituted like that.
In the body construction 1 of present embodiment, hog frame 60 with lower front wall crossbeam 85 (front panel strengthening part 80
Front side vehicle frame reinforcement part 80B) be spaced apart specified interval and configure.Also, it is in front panel 10 and front side vehicle frame 50, in front wall
Position between plate 10 and hog frame 60 is set to the intensity frangible portion 17 lower than other positions.
As a result, vehicle V collide and in front side vehicle frame 50 and front panel 10 input have collision load when, front side vehicle
Frame 50 and front panel 10 reduce radius of turn with 17 warpage of frangible portion compared with the tortuous deformation at the upper turn of bilge at rear, can
Car room (wheel cover portion) is reduced to the deflection of lower limb.
In addition, strengthening part will not newly be added in order to set frangible portion 17, thus will not make vehicle weight and manufacture at
This increase.
In addition, in the body construction 1 of present embodiment, hog frame 60 and front side vehicle frame 50, overlapped position
The area of section towards vehicle section in the front-back direction be set to be less than other positions.
Thereby, it is possible to ensure for the sufficiently rigid of collision load in the front-back direction, while it can be realized hog frame 60
Lightweight, and can be deformed with frangible portion 17.
Moreover, in the body construction 1 of present embodiment, lower front wall crossbeam 85 (front panel strengthening part 80) is via being had
Standby flange part 85a and configure in front panel 10.Also, on front side vehicle frame 50, flange is being configured with across front panel 10
The opposite side at the position of portion 85a is equipped with stiffening plate 54,55.
Thereby, it is possible to improve the rigidity of 10 side periphery of front panel of frangible portion 17.Also, due to frangible portion 17 and its periphery
Poor rigidity become larger, so collision load when can be collided by vehicle V more reliably frangible portion 17 deform.
In the body construction 1 of present embodiment, front side vehicle frame 50 is across front panel 10 and lower 85 (front wall of front wall crossbeam
Plate strengthening part 80) opposite position, have the mounting bracket 53 of bearing subframe 70.
By supporting subframe 70 in mounting bracket 53, collision load when vehicle V collides is in addition to from front side vehicle frame
Other than 50 inputs, front panel 10 also is input to via subframe 70.
Collision load not can be concentrated in a position as a result, is input to front panel 10 with will disperse, therefore inhibit defeated in institute
The deformation at the position entered can be deformed more reliably in frangible portion 17.
In addition, since collision load is input near frangible portion 17, so from the position of input to energy frangible portion 17
The region enough deformed tails off, and can further reliably deform in frangible portion 17.
In the body construction 1 of present embodiment, lower front wall crossbeam 85 (front panel strengthening part 80) has section substantially L
The groove shape of shape, the flange part 85a having via the opening edge of groove shape and configure in front panel 10.
Therefore, it is cut by the closure that lower front wall crossbeam 85 (front panel strengthening part 80) and front panel 10 form triangle
Face.
Thereby, it is possible to front wall crossbeams 85 (front panel strengthening part 80) under being configured with smaller installation space, and no matter
How is the input direction of collision load, can stablize performance rigidity.
In the body construction 1 of present embodiment, hog frame 60 is configured to front end portion (close to 17 this side of frangible portion
End) vehicle front-rear direction on position and lower stringer 30 front end portion (10 side end of front panel) vehicle front-rear direction
On position it is substantially uniform (referring to Fig. 4 auxiliary line L1).
Therefore, vehicle is collided in the front-back direction, can be improved the rigidity of 20 side periphery of bottom plate of frangible portion 17.
Frangible portion 17 and the poor rigidity on its periphery become larger as a result, and collision load when can be collided by vehicle V is more
Reliably deformed in frangible portion 17.
In the body construction 1 of present embodiment, lower front wall crossbeam 85 (front panel strengthening part 80) is in the direction of vehicle width
The outboard flanges portion 85b that outer end has is engaged with the inner surface of lower stringer 30, the medial flange that inner end in the direction of vehicle width has
Portion 85c is engaged with channel support member 43.
The impact load for being input to lower front wall crossbeam 85 (front panel strengthening part 80) as a result, is transmitted to lower stringer 30 and leads to
Road supporting element 43, therefore it is capable of increasing the impact energy that can be absorbed by front panel strengthening part 80.
In addition, as a result, in lower front wall crossbeam 85 (front panel strengthening part 80), so that the front end portion of following stringer 30
Centered on the mode that rotates, have input impact load when vehicle V collides, therefore can more reliably become in frangible portion 17
Shape.
In the body construction 1 of present embodiment, front panel strengthening part 80 is made of multiple strengthening parts, each reinforcement part
It is Chong Die with front side vehicle frame 50 that part is configured at least part.
Thereby, it is possible to carry out the collision load for full offset frontal impact and small offset collision (small area overlapping collision)
Absorption.
In the body construction 1 of present embodiment, front panel 10 has floor section 13, for via floor section 13 by bottom plate 20
It is installed on the structure of front panel 10.
Therefore, as shown in Figure 10, can be in the state that front panel strengthening part 80 be mounted in front panel 10 in advance, it will
Bottom plate 20 is installed to front panel 10.
Thereby, it is possible to reduce manufacturing process, improve productivity, and it is easy setting frangible portion 17.
In the body construction 1 of present embodiment, each groove shape is smoothly varying, so that by front side vehicle frame 50 and front panel
The area of section of 10 closed sections formed and the sum of the area of section of closed section formed by hog frame 60 and front panel 10
It is approximately fixed along vehicle front-rear direction.
Therefore, can be in the range of from front side vehicle frame 50 to hog frame 60, the rigidity on reduction vehicle front-rear direction is not
?.
It, can thereby, it is possible to clearly form the poor rigidity of frangible portion Yu other positions, therefore when having input collision load
More reliably deformed in frangible portion 17.
In addition, as long as front side vehicle frame reinforcement part 80B configures the stiffening plate in the indoor of front panel along front side vehicle frame
?.Other than the upper front wall crossbeam 84 of embodiment, lower front wall crossbeam 85, bridge formation portion 85d, can also make bridge formation portion 85d from
Brake the extended portion of main hydraulic cylinder mounting bracket 83.
The explanation of appended drawing reference
1 body construction
10 front panels
12 rakes
13 floor section
17 frangible portions
20 bottom plates
30 lower stringers
40 passage components
43 channel support members
50 front side vehicle frames
52a flange part
53 mounting brackets
54,55 stiffening plate
60 hog frames
62 flange parts
70 subframes
80 front panel strengthening parts
85a flange part
85b outboard flanges portion
85c medial flange portion
FR1 outer plate surface
FR2 inner plate surface
R1 power house
R2 car room
Claims (according to the 19th article of modification of treaty)
1. a kind of (after modification) body construction, has:
Front panel, the plate-shaped member by power house and car room are configured and marked off along vehicle width direction are constituted；
The plate-shaped member of bottom plate, base surface that is continuous by the lower edge with the front panel and constituting the car room is constituted；
Front side vehicle frame prolongs at least in the outer plate surface towards the power house of the front panel along vehicle front-rear direction
It stretches；
Hog frame extends along vehicle front-rear direction, and at least on the inner plate surface towards the car room of the bottom plate, until
Few a part is Chong Die with the front side vehicle frame；And
Front panel strengthening part is located on the inner plate surface towards the car room,
The body construction is characterized in that,
The supreme turn of bilge of the front-end configuration of the hog frame,
The front panel strengthening part is configured via the flange part that the front panel strengthening part has in the front panel
On,
The front panel strengthening part has the front side vehicle frame reinforcement part of the rake configuration at least along the front side vehicle frame,
Being set with makes being spaced apart between regulation of the hog frame and the front side vehicle frame reinforcement part of the front panel strengthening part
Every and configure frangible portion,
The front side vehicle frame is having stiffening plate across the front panel and the opposite side at the position configured with the flange part,
The front side vehicle frame has across the front panel position opposite with the front panel strengthening part by the reinforcement
The mounting bracket of plate bearing,
The mounting bracket is supported on the secondary vehicle that the power house extends along vehicle front-rear direction in front of the frangible portion
Frame.
2. body construction according to claim 1, which is characterized in that
The section towards vehicle section in the front-back direction at the overlapped position of the hog frame and the front side vehicle frame
Area is configured to smaller than other positions respectively.
(3. deletion)
(4. deletion)
5. body construction according to claim 1, which is characterized in that
The front panel strengthening part has the groove shape of section substantially L-shaped,
The front panel strengthening part configures in the front panel via the flange part that the opening edge of groove shape has.
6. body construction according to claim 1, which is characterized in that
The ora terminalis part of the bottom plate in the direction of vehicle width has the lower stringer extended along vehicle front-rear direction,
Position and the lower stringer on the vehicle front-rear direction of the end close to this side of frangible portion of the hog frame
The front panel side end vehicle front-rear direction on position it is substantially uniform.
7. body construction according to claim 6, which is characterized in that
Has passage component in the vehicle width direction central portion of the front panel, the passage component has along vehicle front-rear direction
Downwardly open groove shape,
The passage component has the channel support member for being flexed into wave plate,
The inner surface in outboard flanges portion and the lower stringer that the outer end of the front panel strengthening part in the direction of vehicle width has connects
It closes, the medial flange portion that inner end in the direction of vehicle width has is engaged with the channel support member.
8. body construction according to claim 1, which is characterized in that
The front panel strengthening part is made of multiple strengthening parts,
It is Chong Die with front side vehicle frame that the strengthening part is configured to a part.
9. body construction according to claim 1, which is characterized in that
The front panel has:
From the power house side towards car chamber side rake inclined downward；With
The floor section substantially horizontally extended from the rake,
The front panel is connect via the floor section with the bottom plate.
10. body construction according to claim 1, which is characterized in that
The front side vehicle frame has the groove shape towards front panel opening,
The hog frame has the groove shape towards front panel opening,
Each groove shape is smoothly varying, so that the area of section of the closed section formed by the front side vehicle frame and the front panel
It is substantially solid along vehicle front-rear direction with the sum of the area of section of closed section that is formed by the hog frame and the front panel
It is fixed.
Illustrate or states (according to the 19th article of modification of treaty)
At Patent Office of the People's Republic of China PCT:
It is basis below
The 19th article of PCT
The 41st article of the 28th article/PCT of PCT
International preliminary examination report attachment
The explanation to be made an amendment, wherein
1. with modified claim the1-10Item replacement
Former claim the1-10?；
2. being replaced with modified specification the _ _ _ _ _ _ page
Original specification the _ _ _ _ _ _ _ _ _ _ _ _ _ _ page；
3. being replaced with modified attached drawing the _ _ _ _ _ _ _ _ page
Former attached drawing the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ page.
4. with modified abstract _ _ _ _ _ _ _ _ _ replacement
Original abstract _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
Concrete modification is see replacement page.
Jindu law office, Beijing city
On 2 2nd, 2019
Explanation based on the 19th article of treaty (1)
In the state that claim 1 is independent claims, it is changed to the technical characteristic of claim 3, claim 4
And structure disclosed in the 0020th section of International Publication text, Fig. 3, Fig. 9 is in combination.
Delete claim 3,4.
Have in the technical solution of claim 1-10 " the front side vehicle frame across the front panel and configuration
The opposite side for stating the position of flange part has stiffening plate, and the front side vehicle frame is reinforced across the front panel and the front panel
The opposite position of component has the mounting bracket supported by the stiffening plate, front branch of the mounting bracket in the frangible portion
Hold the subframe extended in the power house along vehicle front-rear direction " this feature, the text cited in international search report
It is not recorded in part 1-3.
Claims (10)
1. a kind of body construction, has:
Front panel, the plate-shaped member by power house and car room are configured and marked off along vehicle width direction are constituted；
The plate-shaped member of bottom plate, base surface that is continuous by the lower edge with the front panel and constituting the car room is constituted；
Front side vehicle frame prolongs at least in the outer plate surface towards the power house of the front panel along vehicle front-rear direction
It stretches；
Hog frame extends along vehicle front-rear direction, and at least on the inner plate surface towards the car room of the bottom plate, until
Few a part is Chong Die with the front side vehicle frame；And
Front panel strengthening part is located on the inner plate surface towards the car room,
The body construction is characterized in that,
The supreme turn of bilge of the front-end configuration of the hog frame,
The front panel strengthening part has the front side vehicle frame reinforcement part of the rake configuration at least along the front side vehicle frame, makes
It configures and is set as at intervals between the hog frame and the front side vehicle frame reinforcement part of the front panel strengthening part
Frangible portion.
2. body construction according to claim 1, which is characterized in that
The section towards vehicle section in the front-back direction at the overlapped position of the hog frame and the front side vehicle frame
Area is configured to smaller than other positions respectively.
3. body construction according to claim 1, which is characterized in that
The front panel strengthening part is configured via the flange part that the front panel strengthening part has in the front panel
On,
Opposite side of the front side vehicle frame across the front panel at the position configured with the flange part has stiffening plate.
4. body construction according to claim 3, which is characterized in that
The front side vehicle frame is having mounting bracket across the front panel position opposite with the front panel strengthening part,
The mounting bracket is supported on the subframe that the power house extends along vehicle front-rear direction.
5. body construction according to claim 1, which is characterized in that
The front panel strengthening part has the groove shape of section substantially L-shaped,
The front panel strengthening part configures in the front panel via the flange part that the opening edge of groove shape has.
6. body construction according to claim 1, which is characterized in that
The ora terminalis part of the bottom plate in the direction of vehicle width has the lower stringer extended along vehicle front-rear direction,
Position and the lower stringer on the vehicle front-rear direction of the end close to this side of frangible portion of the hog frame
The front panel side end vehicle front-rear direction on position it is substantially uniform.
7. body construction according to claim 6, which is characterized in that
Has passage component in the vehicle width direction central portion of the front panel, the passage component has along vehicle front-rear direction
Downwardly open groove shape,
The passage component has the channel support member for being flexed into wave plate,
The inner surface in outboard flanges portion and the lower stringer that the outer end of the front panel strengthening part in the direction of vehicle width has connects
It closes, the medial flange portion that inner end in the direction of vehicle width has is engaged with the channel support member.
8. body construction according to claim 1, which is characterized in that
The front panel strengthening part is made of multiple strengthening parts,
It is Chong Die with front side vehicle frame that the strengthening part is configured to a part.
9. body construction according to claim 1, which is characterized in that
The front panel has:
From the power house side towards car chamber side rake inclined downward；With
The floor section substantially horizontally extended from the rake,
The front panel is connect via the floor section with the bottom plate.
10. body construction according to claim 1, which is characterized in that
The front side vehicle frame has the groove shape towards front panel opening,
The hog frame has the groove shape towards front panel opening,
Each groove shape is smoothly varying, so that the area of section of the closed section formed by the front side vehicle frame and the front panel
It is substantially solid along vehicle front-rear direction with the sum of the area of section of closed section that is formed by the hog frame and the front panel
It is fixed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016155362 | 2016-08-08 | ||
| JP2016-155362 | 2016-08-08 | ||
| PCT/JP2017/019881 WO2018029941A1 (en) | 2016-08-08 | 2017-05-29 | Vehicle body structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109562794A true CN109562794A (en) | 2019-04-02 |
| CN109562794B CN109562794B (en) | 2021-12-24 |
Family
ID=61161939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780048931.0A Active CN109562794B (en) | 2016-08-08 | 2017-05-29 | Vehicle body structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109562794B (en) |
| WO (1) | WO2018029941A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619670A (en) * | 2019-09-19 | 2020-09-04 | 长城汽车股份有限公司 | Front vehicle body structure and automobile |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6861751B2 (en) * | 2019-03-27 | 2021-04-21 | 本田技研工業株式会社 | Body front structure |
| WO2020217085A1 (en) | 2019-04-23 | 2020-10-29 | Arcelormittal | Tunnel having integrated lateral reinforcements |
| JP7201736B2 (en) * | 2021-04-30 | 2023-01-10 | 本田技研工業株式会社 | car body structure |
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| US6361102B1 (en) * | 2000-11-01 | 2002-03-26 | Hyundai Motor Company | Front automotive reinforcement structure for distributing impact force |
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| CN111619670B (en) * | 2019-09-19 | 2021-07-13 | 长城汽车股份有限公司 | Front vehicle body structure and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109562794B (en) | 2021-12-24 |
| WO2018029941A1 (en) | 2018-02-15 |
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