CN108688728A - Automotive body structure - Google Patents
Automotive body structure Download PDFInfo
- Publication number
- CN108688728A CN108688728A CN201710228805.5A CN201710228805A CN108688728A CN 108688728 A CN108688728 A CN 108688728A CN 201710228805 A CN201710228805 A CN 201710228805A CN 108688728 A CN108688728 A CN 108688728A
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- China
- Prior art keywords
- transferring element
- width direction
- vehicle width
- load transferring
- underlying load
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
-
- 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
- B62D25/08—Front or rear portions
- B62D25/088—Details of structures as upper supports for springs or dampers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention provides a kind of automotive body structure,Wherein,Substantially certain vehicle width direction width (W) when underlying load transferring element (17) is with overlook observation,And in the bending section (17c) for being formed in front-rear direction middle part by towards being bent in a manner of outstanding outside vehicle width direction,The groove portion (17d) vertically extended is formed in the vehicle width direction inner wall of the bending section (17c),And underlying load transferring element (17) upper wall when side is observed is flat and lower wall is bent in a manner of outstanding downward,Accordingly,Nearby there is maximum upper and lower directions height (H) at the bending section (17c),Therefore,When head-on crash occurs for vehicle, lower part load transmitting components (17) are to bending on the outside of vehicle width direction,Prevent underlying load transferring element (17) from being contacted with road surface and raising fore sub frame (18),Accordingly,It can ensure that engine,The crush stroke that speed changer retreats.
Description
Technical field
The present invention relates to a kind of automotive body structure, which is transmitted by pair of right and left underlying load
(under load path) component connects following and fore sub frame (the front sub of front baffle (front bulkhead)
Frame), wherein the pair of right and left underlying load transferring element has closed section and extends along the longitudinal direction.
Background technology
According to known to Japanese invention patent Publication special open 2012-153263:It is passed by pair of right and left underlying load
The preceding pair for passing component (interfering rod unit 137 in lower part) to connect the following of rectangular box-like front baffle He be configured at front baffle rear
The front end of vehicle frame, wherein the pair of right and left underlying load transferring element is the hollow rod-shape for being bent downwardly and having regulation section
Component, the impact load of the head-on crash (frontal crash) by inputting front baffle, before making underlying load transferring element
Rear direction middle part downward bending absorbs collision energy.
In addition, it is above-mentioned in the prior art, when the front-rear direction middle part of lower part load transmitting components bears head-on crash
Impact load and when downward bending, the lower end of the underlying load transferring element of bending contacts with road surface and jacks up upwards, accordingly, preceding
The front end of subframe can be elevated, and the engine and speed changer in front of the fore sub frame bear impact load and retreat
When, interference with the front end of fore sub frame and be difficult to ensure crush stroke (crush stroke), when may reduce collision
Energy absorption.
Invention content
The purpose of one aspect of the present invention is, makes underlying load transferring element to vehicle width side when a frontal collision occurs
To foreign side's bending and ensure crush stroke.
According to an aspect of the present invention, it proposes a kind of automotive body structure, passes through the left and right extended along the longitudinal direction
A pair of of underlying load transferring element connects the following and fore sub frame of front baffle, wherein pair of right and left underlying load transfer part
Part has closed section, which is characterized in that
Substantially certain vehicle width direction width, is formed in front-rear direction when the underlying load transferring element is with overlook observation
Between portion bending section by towards being bent in a manner of outstanding outside vehicle width direction, the vehicle width direction inner wall in the bending section is formed with along upper
The groove portion that lower direction extends, and underlying load transferring element upper wall when side is observed is flat and lower wall to protrude downward
Mode be bent, accordingly, near the bending section have maximum upper and lower directions height.
In in terms of the said one, a kind of automotive body structure is proposed, which is characterized in that the underlying load transferring element
Front end have the widened fastening part of vehicle width direction width locality, the fastening part is fastened onto by an at least bolt
The front baffle it is following, wherein the bolt be configured in than the underlying load transferring element kernel of section more lean on vehicle
Wide direction inner side.
In addition, in terms of the said one, a kind of automotive body structure is proposed, which is characterized in that the underlying load passes
It passs component to be configured to, is combined by upper member and lower member and constitutes closed section, wherein upper member is in unlimited downwards
U-shaped section, lower member is in the U-shaped section that is open upwards.
In addition, in terms of the said one, a kind of automotive body structure is proposed, which is characterized in that in the pair of right and left
There is the pair of right and left toe lateral vehicle frame (front side frame) configured along the longitudinal direction above underlying load transferring element,
To bending, toe lateral vehicle frame front-rear direction middle part on the outside of vehicle width direction under the impact load effect of head-on crash
Break be nearby fastened onto front side fastening part, wherein the front side fastening part is by by towards shape in a manner of open outside vehicle width direction
The notch (slit) of fore sub frame described in Cheng Yu is constituted.
In addition, in terms of the said one, a kind of automotive body structure is proposed, which is characterized in that front suspension (front
Suspension the front and rear of underarm (lower arm)) is respectively by front connector and rear adapter by pivot suspension
In the fore sub frame, the rear end of the underlying load transferring element is in the front near joints, from front and the underarm
Front be oppositely arranged.
In addition, in terms of the said one, a kind of automotive body structure is proposed, which is characterized in that the toe lateral vehicle frame
Rear upper surface with from front upper place backward the front panel lower member (dash panel lower) of inclined downward front surface connect
It connects, also, the rear side fastening part of the fore sub frame is fastened onto the rear lower surface of the toe lateral vehicle frame, in the rear side
Fastening part is nearby configured with the rear adapter.
In addition, in terms of the said one, a kind of automotive body structure is proposed, which is characterized in that in the fore sub frame
The rear adapter near, configured with for supporting stabilizer device (stabilizer) stabilizer support bracket and strengthening portion
Part.
In addition, in one embodiment, the 2nd break P2 corresponds to the break of the present invention.
The effect of invention
According to an aspect of the present invention, connected by the pair of right and left underlying load transferring element extended along the longitudinal direction
Connect the following and fore sub frame of front baffle, wherein pair of right and left underlying load transferring element has closed section.Underlying load passes
Substantially certain vehicle width direction width when passing component with overlook observation is formed in the bending section of front-rear direction middle part with towards vehicle
Mode outstanding is bent outside wide direction, and the vehicle width direction inner wall in bending section is formed with the groove portion vertically extended, and
Underlying load transferring element upper wall when side is observed is flat and lower wall is bent in a manner of outstanding downward, accordingly, in bending section
Nearby there is maximum upper and lower directions height, therefore, when head-on crash occurs for vehicle and impact load inputs front baffle, lower part
Outside direction bending from load transmitting components to vehicle width direction without downward bending, it is therefore prevented that the underlying load of downward bending
Transferring element contacts with road surface and raises fore sub frame, it is ensured that the crush stroke that engine, speed changer retreat is to improve collision
The absorbent properties of energy.Also, since underlying load transferring element is in the maximum front-rear direction middle part bending of area of section, because
This, can improve the energy absorption of the bending with underlying load transferring element.
In in terms of said one, the front end of underlying load transferring element has vehicle width direction width locality widened tight
Gu portion, fastening part is fastened onto the following of front baffle by an at least bolt, wherein the bolt, which is configured in, compares underlying load
The kernel of section of transferring element more leans on vehicle width direction inner side, therefore, keeps the front end of underlying load transferring element flat next
Distractive load hereby it is possible to which plate fracture occurs when preventing impact load from inputting, and makes underlying load by impact load generation
Transferring element, to the torque of rotation on the outside of vehicle width direction, thus enables that underlying load transferring element reliably to vehicle width around bolt
Bending on the outside of direction.
In addition, in terms of said one, underlying load transferring element is configured to, and is combined by upper member and lower member
And constitute closed section, wherein upper member is in downward open U-shaped section, and lower member is in the U-shaped being open upwards
Section, therefore, it is possible to easily vary underlying load transferring element upper and lower directions height and front end vehicle width direction
Width.
In addition, in terms of said one, has above pair of right and left underlying load transferring element and configure along the longitudinal direction
Pair of right and left toe lateral vehicle frame, toe lateral vehicle frame, by the impact load of head-on crash acts on on the outside of vehicle width direction
The break of the front-rear direction middle part of bending is nearby anchored on fore sub frame by front side fastening part, and the front side fastening part is from to vehicle
The notch that the open mode of outside direction of wide direction is formed is constituted, therefore, when the input of the impact load of head-on crash, front
Side vehicle frame can be detached easily from fore sub frame, and to bending on the outside of vehicle width direction, to improve based on toe lateral vehicle frame
The energy absorption of bending.
In addition, in terms of said one, the front and rear of the underarm of front suspension is connect by front connector and rear portion respectively
Head is pivotally supported on fore sub frame, and the rear end of underlying load transferring element is in front near joints, before front and underarm
Portion is oppositely arranged, therefore, it is possible to make impact load be transferred to from the underlying load transferring element of retrogressing when head-on crash occurs
Underarm front is simultaneously absorbed, also, since in front near joints, the amount of moving up and down of underarm is smaller, therefore, it is possible to reliably
Impact load is transferred to underarm from underlying load transferring element, and it is unrelated with the swing position of underarm.
In addition, said one in terms of in, the rear upper surface of toe lateral vehicle frame with before front upper place backward inclined downward
The front surface of coaming plate lower member connects, also, the rear side fastening part of fore sub frame is fastened onto the rear portion following table of toe lateral vehicle frame
Face is configured with rear adapter near rear side fastening part, therefore, it is possible to by impact load effect make the intensity of fore sub frame compared with
Low part effectively deforms to absorb collision energy, wherein the lower part of intensity of fore sub frame is higher by intensity
Fore sub frame rear side fastening part and the higher underarm of intensity rear adapter clamping.
In addition, in terms of said one, near the rear adapter of fore sub frame, configured with for the steady of supporting stabilizer device
Determine device support bracket and strengthening part, therefore, it is nearby local higher-strength to make the rear adapter of fore sub frame, is thus enabled that
The more low intensive part in part reliably deforms to ensure energy absorption.
Description of the drawings
Fig. 1 is the figure for indicating to look up the state of front portion of car body skeleton from left front lower section.
Fig. 2 is the direction view in 2 directions of Fig. 1.
Fig. 3 is the direction view in the directions 3A and the directions 3B of Fig. 2.
Fig. 4 is along the 4A-4A lines of Fig. 2, the sectional view of 4B-4B lines and 4C-4C line cuttings.
Fig. 5 is the direction view in 5 directions of Fig. 1.
Fig. 6 is the sectional view of the 6-6 line cuttings along Fig. 5.
Fig. 7 is the sectional view of the 7-7 line cuttings along Fig. 1.
Fig. 8 is the sectional view of the 8-8 line cuttings along Fig. 3 (B).
Fig. 9 is the vertical view of toe lateral vehicle frame.
Reference sign
11 ... front baffles;11b ... is following;12 ... toe lateral vehicle frames;14 ... front panel lower members;17 ... underlying load transfer parts
Part;17a ... upper members;17b ... lower members;The bending sections 17c ...;17d ... groove portions;18 ... fore sub frames;23 ... underarms;
24 ... front connectors;25 ... rear adapters;28 ... bolts;35a ... notch;36 ... front sides fastening part;40 ... rear side fastening parts;
51 ... stabilizers;52 ... stabilizer support brackets;53 ... strengthening parts;L ... kernel of section;The 2nd breaks (break) of P2 ...;H…
Upper and lower directions height;W ... vehicle width direction width.
Specific implementation mode
In the following, according to Fig. 1~Fig. 9, embodiments of the present invention will be described.In addition, the front and back in this specification
To, left and right directions (vehicle width direction) and upper and lower directions defined on the basis of the occupant for being sitting in driver's seat.
As depicted in figs. 1 and 2, it is configured with front baffle 11 in motor vehicle front structure, the front baffle 11 is by along vehicle width direction
The top 11a and following 11b of extension, with pair of right and left side 11c, 11c for vertically extending be combined into it is rectangular box-like and
It is formed.The rear portion of the pair of right and left toe lateral vehicle frame 12,12 extended along the longitudinal direction branches into two strands.The toe lateral vehicle frame 12,
12 branch 12a, 12a is connected to the front surface for the front panel lower member 14 holded up from the front end forward upward of bottom plate 13.Vehicle
Two thigh 12b, 12b on the inside of wide direction are connected to the front lower surface of bottom plate 13.Two thigh 12c, 12c on the outside of vehicle width direction
It is connected to the front of pair of right and left curb girder (side sill) 15,15.The branch 12a of left and right toe lateral vehicle frame 12,12,
12a is connected to the front end of left and right curb girder 15,15 by pair of right and left outrigger (outrigger) 16,16.In addition, before left and right
The front end of portion side vehicle frame 12,12 is connected to the upper and lower directions middle part of left and right side 11c, 11c of front baffle 11.
The front end of the pair of right and left underlying load transferring element 17,17 extended along the longitudinal direction is connected to front baffle 11
The vehicle width direction both ends of following 11b, rear end are connected to the vehicle width direction outer end of 18 front of plate fore sub frame, wherein preceding
Subframe 18 is supported on the lower surface of left and right toe lateral vehicle frame 12,12.Pair of right and left front pillar lower member (front pillar
Lower member) it 19,19 is holded up upward from the front end of left and right curb girder 15,15, pair of right and left upper component 20,20 is from left and right
The upper end of a pair of of front pillar lower member 19,19 extends forwards.Pair of right and left lower member 21,21 is from left and right upper component 20,20
Front end forward downward extend, and the front end of pair of right and left lower member 21,21 is by pair of right and left connecting component 22,22,
Be connected to toe lateral vehicle frame 12,12 fronts vehicle width direction outer surface.At the vehicle width direction both ends of fore sub frame 18, front suspension
Pair of right and left underarm 23,23 respectively by front connector 24,24 and rear adapter 25,25, in a manner of swinging freely up and down
It is supported.
As shown in Figure 1 to 4, underlying load transferring element 17 is combined by upper member 17a and lower member 17b
, bar-like member in hollow closed section, wherein upper member 17a open, Japanese katakana "U" fonts in lower surface
Section, lower member 17b open, Japanese katakana "U" shaped sections in upper surface (with reference to Fig. 4).Lower part when side is observed
The upper surface of load transmitting components 17 is linearly, and lower surface is bent in a manner of downwardly convex, therefore, underlying load transfer part
The upper and lower directions height H of part 17 is smaller at both ends in the front-back direction, becomes larger (with reference to Fig. 2) in front-rear direction middle part.In addition,
The vehicle width direction width W of lower part load transmitting components 17 is substantially certain when overlook observation, in front-rear direction middle part with to vehicle width
Mode outstanding is slight curving on the outside of direction, and the table in the vehicle width direction of the bending section 17c of underlying load transferring element 17
Face forms the groove portion 17d vertically extended (with reference to Fig. 3).
In the front end of underlying load transferring element 17, part increases vehicle width direction width W and is formed in the up-down direction
Offset flat shape (with reference to Fig. 3 and Fig. 4 (A)), the inside in the offset flat shape part is adjacent to two cylinder rings in vehicle width direction
(collar)26,27.The kernel of section L that bolt 28 runs through the front end relative to underlying load transferring element 17 is located at vehicle width side
Cylinder ring 26 inwardly, and bolt 28 is fastened onto the vehicle width direction outer end of the following 11b of front baffle 11 by nut 29
Portion.Bolt 30 runs through is located at the cylinder ring 27 on the outside of vehicle width direction relative to kernel of section L, and bolt 30 passes through 31 quilt of nut
It is anchored on the lower end of the side 11c of front baffle 11.
As shown in Fig. 5~Fig. 8, fore sub frame 18 be by upper member 32, lower member 33 and front component 34 in conjunction with and
The hollow part of formation is equipped with pair of right and left column sections 35,35 (with reference to figure from the vehicle width direction both ends of fore sub frame 18
8).The upper end of each column sections 35 is provided with front side fastening part 36, which is anchored on front by fore sub frame 18
The lower surface of side vehicle frame 12 (with reference to Fig. 2, Fig. 5, Fig. 6 and Fig. 8).Front side fastening part 36 is made of notch (slit) portion 35a, this is cut
Oral area 35a is formed as, and is opened wide on the outside of vehicle width direction in the upper end of column sections 35.It is inserted into the bolt 37 of notch 35a from below
It is fastened by nut 39 through bracket 38, wherein bracket 38 is fixed on the lower wall of the front-rear direction middle part of toe lateral vehicle frame 12.
As shown in figure 9, toe lateral vehicle frame 12 is from front to back, there is the 1st break P1, the 2nd break P2 and the 3rd break P3.When
When the impact load F input of head-on crash, toe lateral vehicle frame 12 is in the 1st break P1, the 3rd break P3 to rolling on the inside of vehicle width direction
It is curved, in the 2nd break P2 to bending on the outside of vehicle width direction.The front side fastening part 36 of fore sub frame 18 is fastened onto toe lateral vehicle
The 2nd break P2 of frame 12.
In addition, being provided with rear side fastening part 40, the rear side fastening part in the vehicle width direction outer end of the rear of fore sub frame 18
40 by the vehicle width direction outer end of the rear of fore sub frame 18 for being anchored on the rear lower surface of toe lateral vehicle frame 12 (referring to Fig.1
And Fig. 7).In rear side fastening part 40, cylinder is configured between the upper member 32 and lower member 33 of toe lateral vehicle frame 12
Ring 41.The bolt 42 being inserted into from below is through cylinder ring 41, the bracket 43 for the lower surface for being set to toe lateral vehicle frame 12, toe lateral
The strengthening part 44 of the lower wall of vehicle frame 12 and the inside for being set to toe lateral vehicle frame 12, is fastened by nut 45.At this point, reinforcing bearing
The rear end of item (reinforcing stay) 46 is connected to two thigh 12b on the inside of the vehicle width direction of toe lateral vehicle frame 12, wherein
The front end for reinforcing support strip 46 is fastened onto rear side fastening part 40 by the bolt 42.
In this way, fore sub frame 18 is supported on left and right toe lateral by front side fastening part 36,36 and rear side fastening part 40,40
The lower surface of vehicle frame 12,12 is respectively arranged with bracket 47,47 shape of bracket in the up-front vehicle width direction outer end of fore sub frame 18
Become, in open, Japanese katakana "U" shaped sections on the outside of vehicle width direction (with reference to Fig. 3, Fig. 4 (C) and Fig. 8).Lower part
The rear end of load transmitting components 17 is embedded in the inside of bracket 47 on the outside of vehicle width direction.Two difference of bolts 49,49 are from below
It is inserted into and through former and later two cylinder rings 48,48 and of the lower wall of bracket 47, the inside for being configured at underlying load transferring element 17
The upper wall of bracket 47 is fastened respectively to two nuts 50,50.
In this state, be fixed in the rear end of the underlying load transferring element 17 of bracket 47 from front and underarm 23,
Leading edge near front connector 24 separates a little gap α and configures in opposite directions, wherein underarm 23 is supported in the (ginseng of fore sub frame 18
According to Fig. 3 and Fig. 5).
Upper surface at the vehicle width direction both ends of the upper member 32 of fore sub frame 18 is fixed with and is filled for supporting suspension
The stabilizer support bracket 52 for the stabilizer 51 set, and upper member 32 and lower member 33 pass through with Japanese katakana
The strengthening part 53 of "U" shaped sections connects (with reference to Fig. 8).These stabilizer support brackets 52 and strengthening part 53 by with
It sets near the rear adapter 25 of fore sub frame 18.
Then, to having the function of that the embodiments of the present invention of above structure illustrate.
When head-on crash occurs for vehicle and impact load F inputs front baffle 11, a part of impact load F in the past every
The following 11b of plate 11 is transferred to left and right underlying load transferring element 17,17, and left and right underlying load transferring element 17,17 is existed
Front-rear direction compresses.At this point, underlying load transferring element 17,17 is substantially without the downward bending due to impact load F, and lead
It will be to the outside direction bending of vehicle width direction (with reference to the chain-dotted line of Fig. 3 (A)).This is because:When overlook observation in the vehicle width direction
Underlying load transferring element 17,17 with substantially certain width W the bending section 17c for being formed in front-rear direction middle part,
17c is bent in such a way that the foreign side to vehicle width direction is outstanding, and in bending section, the vehicle width direction inner wall of 17c, 17c are formed with along upper
Groove portion 17d, 17d that lower direction extends, and the upper wall when side is observed of underlying load transferring element 17,17 is flat and lower wall with
Mode outstanding is bent downward, accordingly, height (thickness) H with maximum upper and lower directions near bending section 17c, 17c.
As a result, preventing the underlying load transferring element 17,17 of downward bending from being contacted with road surface and raising fore sub frame 18.
Therefore, avoid being configured in when the engine and speed changer (not shown) of engine room is retreated due to impact load F forces with
18 interference of fore sub frame raised.It is additionally ensured that the crush stroke (crush stroke) that engine, speed changer can retreat
And improve crash energy absorption performance.Also, since underlying load transferring element 17,17 is in the maximum front-rear direction of area of section
Middle part bending, therefore, it is possible to improve the energy absorption of the bending with underlying load transferring element 17,17.
In addition, the front end of underlying load transferring element 17,17 has the widened fastening of vehicle width direction width W localities
Portion, the fastening part are fastened onto front baffle 11 by two bolts 28,30 respectively, wherein two bolts 28,30 are configured in down
The vehicle width direction both sides of the kernel of section L of portion's load transmitting components 17,17 (with reference to Fig. 3 and Fig. 4 (A)).Therefore, underlying load passes
Pass the front end of component 17,17 in the up-down direction in it is flat come distractive load, hereby it is possible to when preventing impact load F from inputting
Occur plate fracture, and by impact load F generation make bolt 28 of the underlying load transferring element 17 on the inside of vehicle width direction to
The torque M (with reference to Fig. 3) rotated on the outside of vehicle width direction, thus enables that underlying load transferring element 17 reliably to vehicle width direction
Outside bending.
And underlying load transferring element 17 is combined by upper member 17a and lower member 17b and constitutes closed section
(with reference to Fig. 4), therefore, it is possible to easily vary underlying load transferring element 17 upper and lower directions height H and front end vehicle
The width W of wide direction, wherein upper member 17a is in downward open, Japanese katakana "U" shaped sections, lower member 17b
In be open upwards, Japanese katakana "U" shaped sections.
In addition, when head-on crash occurs for vehicle and impact load F inputs front baffle 11, another portion of impact load F
Divide from side 11c, 11c of front baffle 11 and be passed to left and right toe lateral vehicle frame 12,12, passes through impact load F and act on, front
Side vehicle frame 12,12 the 1st~the 3rd break P1, P1, P3 to vehicle width direction bending (with reference to Fig. 9 (B)).Toe lateral vehicle frame 12,12 in
When collision near the 2nd break P2 of bending on the outside of vehicle width direction, notch 35a is fastened onto by bolt 37, wherein notch
Portion 35a is opened wide in 35 upper end of column sections of fore sub frame 18 on the outside of vehicle width direction, and therefore, bolt 37 is in column sections 35
End, slided into open notch 35a on the outside of vehicle width direction, accordingly, toe lateral vehicle frame 12 from fore sub frame 18 reliably
It detaches (white arrow referring to figure 5 and figure 6).As a result, toe lateral vehicle frame 12 can not be interfered by fore sub frame 18 and is crushed,
To absorb collision energy.
In addition, the front and rear of the underarm 23 of front suspension passes through 25 pivot suspension of front connector 24 and rear adapter respectively
It is opposite from front and the front of underarm 23 near front connector 24 in the rear end of fore sub frame 18, underlying load transferring element 17
Setting, therefore, it is possible to which impact load F is transferred to underarm from the underlying load transferring element 17 of retrogressing when head-on crash occurs
23 front is simultaneously absorbed.Also, since near front connector 24, the amount of moving up and down swung along with underarm 23 is smaller,
Therefore, it is possible to which impact load F is reliably transferred to underarm 23 from underlying load transferring element 17, and with the swing position of underarm 23
It sets unrelated.
In addition, the rear upper surface of toe lateral vehicle frame 12 is connected to the front surface of front panel lower member 14, also, preceding pair
The rear side fastening part 40 of vehicle frame 18 is fastened onto the rear lower surface of toe lateral vehicle frame 12, and it is tight that rear adapter 25 is configured in rear side
Gu near portion 40, therefore, it is possible to make the lower part of the intensity of fore sub frame 18 effectively become by impact load F effects
Shape absorbs collision energy, wherein the lower part of intensity of fore sub frame 18 is by the rear side of the higher fore sub frame of intensity 18
The rear adapter 25 of fastening part 40 and the higher underarm of intensity 23 is clamped.
In addition, near the rear adapter 25 of fore sub frame 18, it is configured with the stabilizer support bracket of supporting stabilizer device 51
52 and strengthening part 53, therefore, it is nearby local higher-strength to make the rear adapter 25 of fore sub frame 18, and thus, it is possible to by touching
Hitting load F makes the part of relatively low strength reliably deform to ensure energy absorption.
Embodiments of the present invention are explained above, but the present invention can also carry out respectively in the range of not departing from its main idea
Kind design alteration.
Claims (8)
1. a kind of automotive body structure is connected by pair of right and left underlying load transferring element (17) under front baffle (11)
Side (11b) and fore sub frame (18), wherein the pair of right and left underlying load transferring element (17) has closed section, and edge
Front-rear direction extends,
It is characterized in that,
Substantially certain vehicle width direction width (W) when the underlying load transferring element (17) is with overlook observation, and formed
In the bending section (17c) of front-rear direction middle part by towards being bent in a manner of outstanding outside vehicle width direction, and at the bending section (17c)
Vehicle width direction inner wall be formed with the groove portion (17d) vertically extended, also, when side is observed, the underlying load
The upper wall of transferring element (17) is flat, and lower wall is bent in a manner of outstanding downward, and accordingly, in the bending section, (17c) nearby has
There is maximum upper and lower directions height (H).
2. automotive body structure according to claim 1, which is characterized in that
The front end of the underlying load transferring element (17) has the widened fastening part of vehicle width direction width (W) locality, institute
It states following (11b) that fastening part is fastened onto the front baffle (11) by an at least bolt (28), wherein described at least one
Root bolt (28) is configured in the kernel of section (L) than the underlying load transferring element (17) more by position on the inside of vehicle width direction
It sets.
3. automotive body structure according to claim 1 or 2, which is characterized in that
The underlying load transferring element (17) is configured and is closed by the way that upper member (17a) and lower member (17b) are combined
Close section, wherein the upper member (17a) is in downward open U-shaped section, and the lower member (17b) is in spacious upwards
The U-shaped section opened.
4. automotive body structure according to claim 1 or 2, which is characterized in that
There is the pair of right and left front configured along the longitudinal direction in the top of the pair of right and left underlying load transferring element (17)
Side vehicle frame (12), to bending, the toe lateral vehicle frame (12) on the outside of vehicle width direction under the impact load effect of head-on crash
The break (P2) of front-rear direction middle part be nearby fastened onto front side fastening part (36), the front side fastening part (36) is from to vehicle
Open mode is formed in the composition of the notch (35a) on the fore sub frame (18) outside wide direction.
5. automotive body structure according to claim 4, which is characterized in that
The front and rear of the underarm (23) of front suspension is respectively by front connector (24) and rear adapter (25) by pivot suspension
In the fore sub frame (18), the rear end of the underlying load transferring element (17) near the front connector (24) in the past
The square front with the underarm (23) is oppositely arranged.
6. automotive body structure according to claim 5, which is characterized in that
The rear upper surface of the toe lateral vehicle frame (12) with from the front upper place front panel lower member (14) of inclined downward backward
Front surface connects, also, the rear side fastening part (40) of the fore sub frame (18) is fastened onto the toe lateral vehicle frame (12)
Lower surface afterwards, and the rear adapter (25) is configured near side fastening part (40) in the rear.
7. automotive body structure according to claim 5, which is characterized in that
Configured with the stabilization for supporting stabilizer device (51) near the rear adapter (25) of the fore sub frame (18)
Device support bracket (52) and strengthening part (53).
8. automotive body structure according to claim 6, which is characterized in that
Configured with the stabilization for supporting stabilizer device (51) near the rear adapter (25) of the fore sub frame (18)
Device support bracket (52) and strengthening part (53).
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| CN201710228805.5A CN108688728B (en) | 2017-04-10 | 2017-04-10 | Automotive body structure |
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| CN201710228805.5A CN108688728B (en) | 2017-04-10 | 2017-04-10 | Automotive body structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008195206A (en) * | 2007-02-13 | 2008-08-28 | Honda Motor Co Ltd | Vehicle body front part structure of vehicle |
| KR20150070910A (en) * | 2013-12-17 | 2015-06-25 | 현대자동차주식회사 | Structure for connecting front vehicle body |
| US20160236718A1 (en) * | 2015-02-18 | 2016-08-18 | Honda Motor Co., Ltd. | Vehicle front body structure |
| JP6063063B2 (en) * | 2013-12-13 | 2017-01-18 | 株式会社エフテック | Subframe for vehicle |
| CN106467134A (en) * | 2015-08-18 | 2017-03-01 | 丰田自动车株式会社 | Vehicle front body structure |
| CN106553697A (en) * | 2015-09-29 | 2017-04-05 | 本田技研工业株式会社 | Vehicle body front structure |
-
2017
- 2017-04-10 CN CN201710228805.5A patent/CN108688728B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008195206A (en) * | 2007-02-13 | 2008-08-28 | Honda Motor Co Ltd | Vehicle body front part structure of vehicle |
| JP6063063B2 (en) * | 2013-12-13 | 2017-01-18 | 株式会社エフテック | Subframe for vehicle |
| KR20150070910A (en) * | 2013-12-17 | 2015-06-25 | 현대자동차주식회사 | Structure for connecting front vehicle body |
| US20160236718A1 (en) * | 2015-02-18 | 2016-08-18 | Honda Motor Co., Ltd. | Vehicle front body structure |
| CN105882755A (en) * | 2015-02-18 | 2016-08-24 | 本田技研工业株式会社 | Vehicle front body structure |
| CN106467134A (en) * | 2015-08-18 | 2017-03-01 | 丰田自动车株式会社 | Vehicle front body structure |
| CN106553697A (en) * | 2015-09-29 | 2017-04-05 | 本田技研工业株式会社 | Vehicle body front structure |
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