CN104058009B - Vehicle Body Rear Structure - Google Patents
Vehicle Body Rear Structure Download PDFInfo
- Publication number
- CN104058009B CN104058009B CN201410047385.7A CN201410047385A CN104058009B CN 104058009 B CN104058009 B CN 104058009B CN 201410047385 A CN201410047385 A CN 201410047385A CN 104058009 B CN104058009 B CN 104058009B
- Authority
- CN
- China
- Prior art keywords
- flange
- vehicle body
- hinge
- plate
- cross beam
- Prior art date
- 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.)
- Active
Links
Abstract
The invention provides a vehicle body rear structure which can inhibit the weight of a vehicle body and improve rigidity of a roof cross beam. The vehicle body (11) is provided with a rear vehicle roof cross beam (20) which is composed of a longitudinal plate (21) and a lower plate (22) and which has a substantial L-shaped cross section. The cross beam is provided with hinge installation parts (50) for installing hinges (40) for a tail door. The installation part is composed of a bracket (60) and a reinforcing part (70). The bracket is located on an upper surface of the lower plate, and comprises a hinge installation face part (61) where hinges are installed, an extending part (62) extending from the installation face part to the longitudinal plate, and a front-end combination part (66) which is provided at the front end of the extending part and is combined to the longitudinal plate. The reinforcing part is clamped between the lower plate and the installation face part, and is provided with a reinforcing plate (71) combined to the lower surface of the installation face part. A first closed cross-section part (81) is formed through the lower and the reinforcing part. A second closed cross-section part (82) is formed through the longitudinal plate, the lower plate, the extending plate and the reinforcing part. The hinges are installed on the reinforcing plate across the installation face part.
Description
Technical field
The present invention relates to the improving technology of a kind of vehicle body rear part structure, this vehicle body rear part structure exists
Have on the rear roof cross beam support the rearward end of roof panel and tail hinge for door is installed
Hinge installation portion.
Background technology
There is in vehicle following vehicle (such as lifting the back of the body car, hatchback), this vehicle
Possesses the tail-gate for will be formed in the opening opening and closing on after vehicle body.Can openedly and closedly support
The hinge of this tail-gate is arranged on rear roof cross beam by hinge installation portion.This rear roof cross beam
It is the parts of the rearward end of supporting roof panel, extends along overall width direction.This rear roof cross beam
Technology such as known according to patent documentation 1～2.
During by roof cross beam rear known to patent documentation 1 by being formed as observing vehicle body from side
Cross section is the single part of generally L-shaped and constitutes.This rear roof cross beam is provided with bracket,
This bracket can openedly and closedly support the hinge of tail-gate for installing.The supporting of this rear roof cross beam is made
For the tail-gate of weight, thus it is preferably, improves rigidity as much as possible.
In contrast, be configured to based on rear roof by roof cross beam rear known to patent documentation 2
The closed section structure that wainscot combines with rear roof outer panels.At this rear roof inner face
Between plate and this rear roof outer panels, and it is provided with strengthening part on the position installing hinge.
This hinge is installed overlappingly with rear roof outer panels and strengthening part.Therefore, cut by Guan Bi
The entirety of the rear roof cross beam of planar can support tail-gate.But, known by patent documentation 2
Although this rear roof cross beam be closed section structure, it is achieved that high rigidity, but lead
Cause the increase of weight.Therefore, it is unfavorable for seeking the lightweight of vehicle body.
Prior art literature
Patent documentation 1: Japanese Unexamined Patent Publication 9-216573 publication
Patent documentation 2: Japanese Unexamined Patent Publication 11-20611 publication
Summary of the invention
The present invention can improve supporting tail-gate so that offer is a kind of while suppression tare
The technology of the rigidity of rear roof cross beam is problem.
Invention according to technical scheme 1, it is provided that a kind of vehicle body rear part structure, it has along car
Cross direction extend and supporting roof panel rearward end rear roof cross beam and at this rear roof
The hinge installation portion of tail hinge for door is installed on crossbeam, it is characterised in that described rear roof is horizontal
When beam is created as observing vehicle body from side, cross section is the parts of generally L-shaped, by stringer board and
The lower plate rearward extended from the lower end of this stringer board is constituted, and described hinge installation portion is by installing
The bracket stating tail hinge for door and the strengthening part strengthening this bracket are constituted, and described bracket is
On the upper surface of the described lower plate extended along vehicle body fore-and-aft direction and be positioned at described rear roof cross beam
Parts, including installing the flat hinge face portion of described tail hinge for door, from this
Hinge face portion extends to the flat extension of described stringer board and is formed at this prolongation
The front end in portion and the junction surface, front end being bonded on described stringer board, described strengthening part is to be clipped in
Parts between described lower plate and the described hinge face portion of described rear roof cross beam, have
The flat reinforcing plate being bonded on the lower surface in this hinge face portion, under described
Plate and described strengthening part, define the first closed section portion of closed section shape, by institute
State stringer board, described lower plate, described extension and described strengthening part, define closed section
Second closed section portion of shape, described tail hinge for door is by across described hinge face portion
It is arranged in described reinforcing plate, and it is horizontal to be arranged on described rear roof via described hinge installation portion
Liang Shang.
As described in technical scheme 2, it is preferable that described rear roof cross beam has from described stringer board
The beam flange that extends to vehicle body fore-and-aft direction of upper end, this beam flange engages
Stating roof panel, the junction surface, described front end of described bracket is by being only bonded on described stringer board
Flange and constitute.
As described in technical scheme 3, it is preferable that described strengthening part is only located at described hinge peace
The underface of dress face.
As described in technical scheme 4, it is preferable that described second closed section portion and described first
Closed section portion adjoins, and independent from this first closed section portion.
As described in technical scheme 5, it is preferable that described bracket has the car from described extension
Side plate on front side of cross direction two ends extend downwards a pair, by described extension and institute
State the side plate on front side of in the of a pair, define when observing described vehicle body from rear in substantially falling U-shaped
The cross section of shape.
As described in technical scheme 6, it is preferable that described bracket has from the pair of front side
The lower flange of the left and right that the lower end of side plate extends outside overall width direction, about this under convex
Edge is bonded in the described lower plate of described rear roof cross beam.
As described in technical scheme 7, it is preferable that described bracket has from described hinge face
Side plate on rear side of the two ends, overall width direction in portion extend downwards a pair, on rear side of in the of this pair
Side plate is continuous along vehicle body fore-and-aft direction relative to the side plate of the pair of front side, described hinge
Chain installs the crest line between the side plate of facial and the pair of rear side relative to described extension
And the crest line between the side plate on front side of in the of a pair is continuous along vehicle body fore-and-aft direction.
As described in technical scheme 8, it is preferable that be formed before vehicle body on described extension
Rear is to the reinforcement extended.
As described in technical scheme 9, it is preferable that described strengthening part has from described reinforcing plate
The left and right that extends downwards, two ends, overall width direction reinforcement side plate, from described left side
Left flange that the lower end of reinforcement side plate extends outside overall width direction and from described right side
The right flange that extends outside overall width direction of the lower end of reinforcement side plate, added by described
Strong plate, the reinforcement side plate of described left and right, described left flange and described right flange, formed
Cross section in substantially medicated cap shape when observing described vehicle body from rear, described left flange and described
Right flange is bonded in the described lower plate of described rear roof cross beam.
As described in technical scheme 10, it is preferable that described strengthening part has from described reinforcing plate
Vehicle body fore-and-aft direction two ends extend downwards before and after reinforcement side plate, before described
Front flange that the lower end of the reinforcement side plate of side forwards extends and adding from described rear side
The rear flange that the lower end of strong side plate rearward extends, by described reinforcing plate, described before
After reinforcement side plate, described front flange and described rear flange, define from side observe
It is bonded in the cross section of substantially medicated cap shape, described front flange and described rear flange during described vehicle body
In the described lower plate of described rear roof cross beam.
As described in technical scheme 11, it is preferable that described bracket have by spot welding by described
Front flange is inserted into the electrode-inserting holes of spot-wedling electrode when being joined in described lower plate.
Invention effect
In the invention of technical scheme 1, the bracket of hinge installation portion prolongs along vehicle body fore-and-aft direction
Stretch, and on the upper surface of the lower plate being positioned at the rear roof cross beam in generally L-shaped cross section.Pass through
The lower plate of rear roof cross beam and strengthening part, define the first closed section of closed section shape
Portion.By stringer board and lower plate, the extension of bracket, strengthening part, the shape of rear roof cross beam
Become the second closed section portion of closed section shape.Tail hinge for door is by the hinge across bracket
Chain is installed face and is arranged in reinforcing plate, and is arranged on rear roof cross beam via hinge installation portion
On.Thereby, it is possible to improved fully by the first closed section portion and the second closed section portion
The rigidity at the supporting heavy in the rear roof cross beam i.e. position of tail-gate and intensity.It is therefore not necessary to
For supporting heavy i.e. tail-gate, and the cross section structure of rear roof cross beam is designed to by rear roof
The closed section structure that wainscot and rear roof outer panels combine.This result is, it is possible to
Suppression tare.Further, tail hinge for door is arranged on across hinge face portion and adds
On strong plate.Thereby, it is possible to strengthen hinge face portion by reinforcing plate.And, it is possible to will
Load is disperseed to hinge face portion efficiently from hinge.In such manner, it is possible to suppression tare,
Improve rigidity and the intensity of the rear roof cross beam of supporting tail-gate simultaneously.
In the invention of technical scheme 2, the junction surface, front end of bracket is by being only bonded on rear car
Flange on the stringer board of head piece and constitute.It is to say, be bonded to the horizontal stroke of roof panel
On beam flange, it is not bonded to the junction surface, front end of bracket.Thereby, it is possible at random set
The front end of extension is relative to the height of stringer board.Because can be so that the second closed section portion
Size becomes the height that optimal mode freely sets the front end of extension, so adding
The degree of freedom of vehicle body design.
In the invention of technical scheme 3, strengthening part be only located at hinge face portion just under
Side.Because this strengthening part strengthens hinge face portion by reinforcing plate, so only
It is positioned at the underface in this hinge face portion.Thus, install to hinge with strengthening part
The situation that the side of face, such as overall width direction extend is compared, it is possible to suppress vehicle body further
Weight.
In the invention of technical scheme 4, the first closed section portion and the second closed section portion phase
The most adjacent and separate.Thereby, it is possible to the Zhi Chengchong in roof cross beam after improving further
The rigidity at the thing i.e. position of tail-gate and intensity.
In the invention of technical scheme 5, bracket is by the side plate on front side of extension and a pair
Define the cross section in substantially reverse U shape.Thereby, it is possible to strengthen the rigidity of this bracket self.
In the invention of technical scheme 6, the substantially bracket of reverse U shape cross section shape has in lower end
There is the lower flange of left and right.It is to say, by this bracket being shaped generally as cutting of medicated cap shape
Face, it is possible to further enhance the rigidity of this bracket self.Further, by by left and right
Lower flange is bonded in the lower plate of rear roof cross beam, it is possible to after being improved by the bracket of high rigidity
The rigidity of roof cross beam.
In the invention of technical scheme 7, downward from the two ends, overall width direction in hinge face portion
The side plate of the rear side of Fang Yanshen extends downwards relative to from the two ends, overall width direction of extension
The side plate of front side continuous along vehicle body fore-and-aft direction.And, hinge face portion and rear side
Side plate between crest line relative to the crest line between extension and the side plate of front side along car
Body fore-and-aft direction is continuous.Thereby, it is possible to further enhance the rigidity that bracket is overall.
In the invention of technical scheme 8, extension prolongs along vehicle body fore-and-aft direction by being formed
The reinforcement stretched and improve rigidity.This result is, strengthens the rigidity of bracket self.Pass through
The bracket of high rigidity, it is possible to increase the rigidity of rear roof cross beam.
In the invention of technical scheme 9, by strengthening part is formed as observing from rear car
In the cross section of substantially medicated cap shape during body, it is possible to further enhance the rigidity of this strengthening part self.
Further, by the flange of left and right being bonded in the lower plate of rear roof cross beam, it is possible to logical
The rigidity of roof cross beam after the strengthening part raising of too high rigidity.
In the invention of technical scheme 10, by strengthening part is formed as observing from side car
In the cross section of substantially medicated cap shape during body, it is possible to further enhance the rigidity of this strengthening part self.
Further, by flange front and back being bonded in the lower plate of rear roof cross beam, it is possible to logical
The rigidity of roof cross beam after the strengthening part raising of too high rigidity.
In the invention of technical scheme 11, bracket has electrode-inserting holes.By group on bracket
When being installed on rear roof cross beam equipped with the hinge installation portion of the structure of strengthening part, adding
The mode that the front flange of strong parts overlaps in the lower plate of rear roof cross beam engages.But, because of
For strengthening part between lower plate and bracket, in this state, front flange can be by lower plate
Block with bracket.
In contrast, bracket have when being bonded in lower plate by front flange by spot welding can
The electrode-inserting holes of insertion point welding electrode.Therefore, by the spot welding inserted from electrode-inserting holes
Electrode, it is possible to front flange point is welded in lower plate.Improve hinge installation portion relative to rear car
The assembling operation of head piece.And, because only having electrode-inserting holes, institute on bracket
So that the rigidity of this bracket self can be guaranteed fully.It addition, before by engaging in lower plate
Flange, it can be ensured that bracket is relative to the bond strength of rear roof cross beam.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the vehicle rear of the present invention observed from rear.
Fig. 2 be observe from left side side on the rear roof cross beam shown in Fig. 1, be assembled with car
The rearward end of top panel and the sectional view of the structure of hinge installation portion.
Fig. 3 is the structure being assembled with hinge installation portion on the rear roof cross beam shown in Fig. 2
Axonometric chart.
Fig. 4 is to block the rear roof cross beam shown in Fig. 3 along vehicle body fore-and-aft direction to install with hinge
Sectional view after portion.
Fig. 5 is the tail hinge for door shown in Fig. 2 and bracket, the exploded view of strengthening part.
Fig. 6 is the sectional view of the 6-6 line along Fig. 3.
Fig. 7 is the sectional view of the 7-7 line along Fig. 3.
Fig. 8 is the sectional view of the 8-8 line along Fig. 3.
Description of reference numerals
10-vehicle,
11-vehicle body,
13-tail-gate,
Roof cross beam after 20-,
21-stringer board,
22-lower plate,
23-beam flange,
30-roof panel,
30a-rearward end,
40-tail hinge for door,
50-hinge installation portion,
60-bracket,
61-hinge face portion,
62-extension,
62a-front end,
62b-reinforcement,
62c-electrode-inserting holes,
Side plate on front side of 63-,
64-lower flange,
Side plate on rear side of 65-,
Junction surface, 66-front end,
66a-flange (the first flange),
Crest line (the first crest line) between 67-hinge face portion and the side plate of rear side,
Crest line (the second crest line) between 68-extension and the side plate of front side,
70-strengthening part,
71-reinforcing plate,
The left flange of 72a-,
The right flange of 72b-,
72c-front flange,
72d-rear flange,
Reinforcement side plate on the left of 73-,
Reinforcement side plate on the right side of 74-,
Reinforcement side plate on front side of 75-,
Reinforcement side plate on rear side of 76-,
81-the first closed section portion,
82-the second closed section portion,
Es-spot-wedling electrode.
Detailed description of the invention
Below according to accompanying drawing, embodiments of the present invention are illustrated.
[embodiment]
With reference to the accompanying drawings the vehicle body rear part structure in embodiment is illustrated.Additionally, " front ",
" afterwards ", "left", "right", " on ", D score complys with in seeing from driver
Direction, represents front side with Fr, represents rear side with Rr, represents left side with Le, with Ri table
Show right side, represent overall width center with CL.
Fig. 1 represents the rear portion of vehicle 10.But eliminate the rearward end of roof panel 30.Car
10 be there is tail-gate 13 such as lift back of the body car (hatchback), this tail-gate 13 will be for will
It is formed at opening 12 opening and closing on 11a after vehicle body 11.This opening 12 is substantially rectangular,
Formed bigger between the rear pillar 14,14 of left and right.In the rear upper end of this vehicle body 11, if
There is the rear roof cross beam 20 between the upper end of the rear pillar 14,14 setting up and being bonded on left and right.Should
Rear roof cross beam 20 is the parts of the rearward end of supporting roof panel 30, prolongs along overall width direction
Stretch.The rear end of the upper cause roof panel 30 of opening 12 and formed.
Can the most openedly and closedly support the tail hinge for door of the left and right of the upper end of this tail-gate 13
40,40, it is arranged on rear roof cross beam 20 by the hinge installation portion 50,50 of left and right.
Hereinafter, by the tail hinge for door 40,40 about this referred to as " hinge 40,40 of left and right ".
As shown in Figure 2 to 4, rear roof cross beam 20 is the punch forming parts of metallic plate, is
When being formed as observing vehicle body from side, cross section is the parts of generally L-shaped.This rear roof cross beam
20 by longitudinally disposed flat stringer board 21 and rearward extend from the lower end of this stringer board 21
Flat lower plate 22 constitute.The rear end of this lower plate 22 is positioned at the upper limb of opening 12.
This rear roof cross beam 20 has from the upper end of stringer board 21 to vehicle body fore-and-aft direction (this reality
Execute in example as front) the flat beam flange (rail flange) 23 that extends.At this horizontal stroke
On beam flange 23, overlapping from top and be bonded to rearward end 30a of roof panel 30.
As in figure 2 it is shown, rearward end 30a of this roof panel 30 is engaged by with beam flange 23
Junction surface 31, the substantially planar that rearward do not extends with changing from this junction surface 31
The vertical portion of the stringer board shape hung down in the first extension 32, rear end from this first extension 32
33, the second extension 34 and shape that the lower end from this vertical portion 33 the most rearward extends
Become to constitute in the rear flange portion 35 of the rear end of this second extension 34.
Lower plate 22 phase of the first extension 32 and the second extension 34 and rear roof cross beam 20
Right.Vertical portion 33 is relative with the stringer board 21 of rear roof cross beam 20.Rear flange portion 35 is
Flat part on the lower compared with the second extension 34.Behind this rear flange portion 35
End forms the upper limb of opening 12.By rear roof cross beam 20 and the rearward end of roof panel 30
30a, defining when observing vehicle body 11 from side is the closed section portion 36 of closed section shape.
Then, to the hinge 40,40 of the left and right shown in Fig. 1 and the hinge installation portion 50 of left and right,
50 are specifically described.The hinge 40,40 of left and right is the structure being mutually identical.The hinge of left and right
Chain installation portion 50,50 is also the structure being mutually identical.Hereinafter, about left and right hinge 40,
40 and the hinge installation portion 50,50 of left and right, only the parts in left side are specifically described, save
Slightly right-hand side assembly.
As in figure 2 it is shown, the hinge 40 in left side is by the hinge installation portion 50 being arranged on left side
Body side hinge 41, the door side hinge 42 being arranged on tail-gate 13 and link each
Hinge 41,42 joint pin 43 each other is constituted.
As in figure 2 it is shown, the hinge installation portion 50 in left side is positioned at by rear roof cross beam 20 and car
The inside in " closed section portion 36 " that rearward end 30a of top panel 30 is formed.On the left of this
Hinge installation portion 50 is by the bracket 60 of hinge 40 on the left of installing and strengthens this bracket 60
Strengthening part 70 constitute.Bracket 60 and strengthening part 70 are the punch forming portions of metallic plate
Part.
As shown in Fig. 2～Fig. 8, bracket 60 is to extend along vehicle body fore-and-aft direction and be positioned at rear roof
Parts on the upper surface of the lower plate 22 of crossbeam 20.This bracket 60 is made up of such as lower part:
It is positioned at the hinge face portion 61 of the latter half of lower plate 22；It is positioned at the first half of this lower plate 22
The extension 62 of part；The side plate on front side of in the of a pair being had on the sidepiece of this extension 62
63、63；The lower flange 64,64 of the left and right being had on the side plate 63,63 on front side of this；
Side plate 65,65 on rear side of a pair had on the sidepiece in this hinge face portion 61；With
The junction surface, front end 66 being had on the front end 62a of this extension 62.
This hinge face portion 61 is the approximate horizontal flat part installing hinge 40.
It is to say, this hinge face portion 61 is formed as and the lower surface weight of the second extension 34
Fold, vertical view is lower for substantially rectangular shape.Further, this hinge face portion 61 phase
Almost parallel for lower plate 22, and from the upper surface of this lower plate 22 upward away from.
This extension 62 is that the front end 61a from hinge face portion 61 extends to rear roof cross beam
The flat part of the stringer board 21 of 20.This extension 62 is before hinge face portion 61
End 61a to be inclined upwardly is formed towards stringer board 21.On this extension 62, it is formed
Reinforcement along at least one reinforcement 62b, 62b(such as left and right that vehicle body fore-and-aft direction extends
Muscle 62b, 62b).This extension 62 improves by having this reinforcement 62b, 62b
Rigidity.This result is, the rigidity reinforced of bracket 60 self.By the bracket 60 of high rigidity,
The rigidity of roof cross beam 20 after can improving.
As shown in Figure 8, the side plate 63,63 on front side of this pair is from the overall width of extension 62
Two ends, direction extend to downwards lower plate 22.Bracket 60 by extension 62 and a pair on front side of
Side plate 63,63 define from rear observe vehicle body 11 time in substantially reverse U shape cut
Face.Thereby, it is possible to strengthen the rigidity of this bracket 60 self.
The lower end of the side plate 63,63 on front side of a pair of the lower flange 64,64 about this to
Extend outside overall width direction, and overlap on the lower plate 22 of rear car head piece 20, pass through
Soldered joint.It is to say, by the cross section that this bracket 60 is shaped generally as medicated cap shape,
The rigidity of this bracket 60 self can be further enhanced.Further, by by under left and right
Flange 64,64 is bonded in lower plate 22, it is possible to improve rear car by the bracket 60 of high rigidity
The rigidity of head piece 20.
As it is shown in fig. 7, the side plate 65,65 on rear side of in the of this pair is from hinge face portion 61
Two ends, overall width direction extend downwards.The lower end of the side plate 65,65 on rear side of in the of this pair from
The lower plate 22 of rear roof cross beam 20 upward away from.This is because, hinge face portion 61
Supported from below by strengthening part 70, therefore without by the side plate 65,65 on rear side of this pair
Lower end be connected with lower plate 22.
Further, as shown in Fig. 5, Fig. 7 and Fig. 8, side plate 65 on rear side of in the of this pair,
65 relative to a pair on front side of side plate 63,63 continuous along vehicle body fore-and-aft direction.Hinge is installed
Face 61 and a pair on rear side of side plate 65,65 between the first crest line 67,67(corner
Broken line 67,67) relative to the side plate 63,63 on front side of extension 62 and a pair between
The second crest line 68, the broken line 68,68 in 68(corner) continuous along vehicle body fore-and-aft direction.By
This, it is possible to further enhance the rigidity of bracket 60 entirety.
As shown in Fig. 2, Fig. 3 and Fig. 5, this junction surface, front end 66 is convex by flange 66a(first
Edge 66a) and flange 66b, 66b(second flange 66b, 66b of a pair) constitute.The most just
Being to say, this junction surface, front end 66 is by being formed at first on the front end 62a of extension 62
Flange 66a is constituted, and, further, also can be by being formed at the side on front side of in the of this pair
Second flange 66b, 66b of on front end 63a, the 63a in plate portion 63,63 a pair is constituted.
Second flange 66b, 66b of these the first flange 66a and a pair by soldered joint at stringer board
On 21.Especially preferably, during this junction surface, front end 66 is only bonded on rear roof cross beam 20
On stringer board 21.This second flange 66b, 66b of a pair connects with the lower flange 64,64 of left and right
Continuous.
As shown in Fig. 2, Fig. 4 and Fig. 5, described strengthening part 70 is to be clipped in rear roof cross beam
Parts between lower plate 22 and the hinge face portion 61 of 20.The height of this strengthening part 70
Suitable to the height of the lower surface in hinge face portion 61 with the upper surface from lower plate 22.Should
The global shape of strengthening part 70 is probably formed as, and " will have flat flanged side
Shape plate " it is buckled in the shape on lower plate 22 upper surface.
So, this strengthening part 70 has: reinforcing plate 71, and this reinforcing plate 71 is equivalent to band
The square plate of flange flat；With flange part 72, this flange part 72 is equivalent to flanged
The flange of square plate.
This reinforcing plate 71 be by soldered joint on the lower surface in hinge face portion 61
Substantially rectangular flat part, is integrally formed with strengthening part 70.So, this hinge
Face 61 is installed integrated with strengthening part 70 by lower surface, and has and increase thickness of slab
The most equal effect of structure.
This flange part 72 is engaged in the part in the lower plate 22 of rear roof cross beam 20, by a left side
Flange 72a, right flange 72b, front flange 72c and rear flange 72d are constituted.
Further illustrating, as shown in Fig. 5～Fig. 7, strengthening part 70 has: from reinforcing plate
The reinforcement side plate 73,74 of the left and right that the two ends, overall width direction of 71 extend downwards；From a left side
The left flange 72a that the lower end of the reinforcement side plate 73 of side extends outside overall width direction；With
From the lower end of the reinforcement side plate 74 on right side to the right flange extended outside overall width direction
72b.By reinforcing plate 71, the reinforcement side plate 73,74 of left and right and left flange 72a,
Right flange 72b, defines the cross section in substantially medicated cap shape when observing vehicle body 11 from rear.Left
Flange 72a and right flange 72b passes through soldered joint in the lower plate 22 of rear roof cross beam 20.
As it is shown on figure 3, on the leading section of the leading section of left flange 72a and right flange 72b, from
Top is overlapping and is bonded to the rearward end of lower flange 64,64 of left and right of bracket 60.
Further, as shown in Fig. 5～Fig. 7, this strengthening part 70 has: from reinforcing plate
The vehicle body fore-and-aft direction two ends of 71 extend downwards before and after reinforcement side plate 75,76；
The front flange 72c forwards extended from the lower end of the reinforcement side plate 75 of front side；With from rear
Rear flange 72d that the lower end of the reinforcement side plate 76 of side rearward extends.Pass through reinforcing plate
71, side plate 75,76 and front flange 72c, rear flange 72d of reinforcement front and back, is formed
Cross section in substantially medicated cap shape when observing vehicle body 11 from side.Front flange 72c and rear flange
72d passes through soldered joint in the lower plate 22 of rear roof cross beam 20.Further, such as Fig. 2
Shown in, in rear flange 72d, from top overlap and there is roof panel 30 by soldered joint
Rear flange portion 35.
As shown in Fig. 3 and Fig. 7, this strengthening part 70 is only located at hinge face portion 61
Underface.Owing to this strengthening part 70 is to strengthen hinge face portion by reinforcing plate 71
61, so being only located at the underface in this hinge face portion 61.Thus, with reinforcement
Parts 70 to the side in hinge face portion 61, such as overall width direction extend situation compare,
The increase of tare can be suppressed further.
As in figure 2 it is shown, by lower plate 22 and strengthening part 70, define closed section shape
The first closed section portion 81.By stringer board 21, lower plate 22, extension 62 and rib
Part 70, defines the second closed section portion 82 of closed section shape.
Second closed section portion 82 and the first closed section portion 81 adjoin, and relative to this
First closed section portion 81 is independent.Thereby, it is possible to after improving further in roof cross beam 20
The supporting heavy i.e. rigidity at the position of tail-gate 13 and intensity.
As in figure 2 it is shown, hinge 40 passes through bolt 91 and spiral shell across hinge face portion 61
Female 92 are arranged in reinforcing plate 71, thus it is horizontal to be arranged on rear roof via hinge installation portion 50
On beam 20.More specifically, the body side hinge 41 of hinge 40 is across the second extension
34 and hinge face portion 61 be arranged in reinforcing plate 71 by bolt 91 and nut 92.
In the lower plate 22 of rear roof cross beam 20, it is formed for joint bolt 91 and nut 92
Operation through hole 22a.
First closed section portion 81 adjoins each other and the most only with the second closed section portion 82
Vertical.Thereby, it is possible to the supporting heavy i.e. tail-gate 13 in roof cross beam 20 after improving further
The rigidity at position and intensity.
As it has been described above, junction surface, front end 66 is only bonded on stringer board 21.It is to say,
It is bonded in the beam flange 23 of roof panel 30, is not bonded to junction surface, front end 66.
Thereby, it is possible at random set the front end height relative to stringer board 21 of extension 62.By
In can by make the size in the second closed section portion 82 become optimal in the way of freely set and prolong
The height of the front end in long portion 62, so improve the degree of freedom of vehicle body design.
As in figure 2 it is shown, bracket 60 have by spot welding by the front flange of strengthening part 70
72c is inserted into spot-wedling electrode Es(with reference to Fig. 2 when being bonded in lower plate 22) electrode insert
Hand-hole 62c.This electrode-inserting holes 62c is formed in the through hole on extension 62.This point
Welding electrode Es is provided in welding gun (the such as spot welding machinery of not shown general mash welder
Welding gun) on known electrode, for fixed electrode and movable electrode.This spot-wedling electrode Es is
Any one in fixed electrode and movable electrode.
Hinge installation portion 50 in the structure by being assembled with strengthening part 70 on bracket 60 is pacified
When installing on rear roof cross beam 20, after the front flange 72c of strengthening part 70 is overlapped
Mode in the lower plate 22 of roof cross beam 20 engages.But, because strengthening part 70 is positioned at
Between lower plate 22 and bracket 60, so in this state, front flange 72c can be by lower plate
22 and bracket 60 block.
In contrast, in the present invention, as it has been described above, bracket 60 has is passing through spot welding
The electrode being inserted into spot-wedling electrode Es when being bonded in lower plate 22 by front flange 72c inserts
Hole 62c.Therefore, by the spot-wedling electrode Es inserted from electrode-inserting holes 62c, it is possible to will
Front flange 72c point is welded in lower plate 22.Improve hinge installation portion 50 relative to rear roof
The assembling operation of crossbeam 20.It is additionally, since and only there is on bracket 60 electrode-inserting holes
62c, it is possible to guarantee the rigidity of this bracket 60 self fully.It addition, by under
Front flange 72c is engaged, it can be ensured that relative to the bracket 60 of rear roof cross beam 20 on plate 22
Bond strength.
It is summarized as follows described above: as in figure 2 it is shown, the bracket 60 of hinge installation portion 50
Extend along vehicle body fore-and-aft direction, and be positioned at the rear roof cross beam 20 times in generally L-shaped cross section
The upper surface of plate 22.By this lower plate 22 and strengthening part 70, define closed section shape
The first closed section portion 81.By stringer board 21 and lower plate 22, the torr of rear roof cross beam 20
The extension 62 of frame 60 and strengthening part 70, define the second Guan Bi of closed section shape
Cross-section 82.Hinge 40 is arranged on reinforcing plate across the hinge face portion 61 of bracket 60
On 71, thus it is arranged on rear roof cross beam 20 via hinge installation portion 50.
Thereby, it is possible to it is abundant by the first closed section portion 81 and the second closed section portion 82
The supporting heavy i.e. rigidity at the position of tail-gate 13 in roof cross beam 20 and intensity after ground raising.
Therefore, for supporting heavy i.e. tail-gate 13, it is not necessary to the cross section structure of rear roof cross beam 20 is set
Count into the closed section combined the most like that by rear roof wainscot and rear roof outer panels
Structure.This result is, it is possible to suppression tare.
Further, hinge 40 is arranged in reinforcing plate 71 across hinge face portion 61.
Thereby, it is possible to strengthen hinge face portion 61 by reinforcing plate 17.And, it is possible to by load
Disperse efficiently to hinge face portion 61 from hinge 40.So, vehicle body can be suppressed
Weight, improves rigidity and the intensity of the rear roof cross beam 20 of supporting tail-gate 13 simultaneously.
Further, the first closed section portion 81 adjoins each other with the second closed section portion 82
And it is separate.Thereby, it is possible to the supporting heavy in roof cross beam 20 is after improving further
The rigidity at the position of tail-gate 13 and intensity.
Industrial applicibility
The vehicle body rear part structure of the present invention lifts back of the body car be applicable to have tail-gate 13, this tail
Door 13 is for opening 12 opening and closing that will be formed in after vehicle body 11 on 11a.
Claims (9)
1. a vehicle body rear part structure, has and extends along overall width direction and support roof panel
The rear roof cross beam of rearward end and install the hinge of tail hinge for door on this rear roof cross beam
Installation portion, it is characterised in that
When described rear roof cross beam is created as observing vehicle body from side, cross section is generally L-shaped
Parts, stringer board and the lower end from this stringer board the lower plate rearward extended is constituted,
Described hinge installation portion is by installing the bracket of described tail hinge for door and strengthening this bracket
Strengthening part is constituted,
Described bracket extends along vehicle body fore-and-aft direction and is positioned at described in described rear roof cross beam
Parts on the upper surface of lower plate, including the flat hinge installing described tail hinge for door
Install face, extend to from this hinge face portion described stringer board flat extension,
With the front end being formed at this extension and the junction surface, front end being bonded on described stringer board,
Described strengthening part is that the described lower plate being clipped in described rear roof cross beam is pacified with described hinge
Parts between dress face, have the flat board on the lower surface being bonded on this hinge face portion
The reinforcing plate of shape,
By described lower plate and described strengthening part, form the first closed section of closed section shape
Portion,
By described stringer board, described lower plate, described extension and described strengthening part, formation is closed
Close the second closed section portion of cross section shape,
Described tail hinge for door is by being arranged on described reinforcing plate across described hinge face portion
On, and be arranged on described rear roof cross beam via described hinge installation portion,
Described strengthening part has what the two ends, overall width direction from described reinforcing plate extended downwards
Left and right reinforcement side plate, from the lower end of the described reinforcement side plate in left side to overall width side
The lower end of the left flange extended laterally and the described reinforcement side plate from right side is to overall width
The right flange extended outside direction, by described reinforcing plate, the reinforcement side plate of described left and right
Portion, described left flange and described right flange, formed when observing described vehicle body from rear in substantially
The cross section of medicated cap shape,
Described left flange and described right flange are bonded in the described lower plate of described rear roof cross beam,
Described strengthening part also has from the vehicle body fore-and-aft direction two ends of described reinforcing plate downwards
Reinforcement side plate before and after extension, from the lower end of the described reinforcement side plate of front side to
The lower end of the front flange that front extends and the described reinforcement side plate from rear side is rearward prolonged
The rear flange stretched, by described reinforcing plate, described before and after reinforcement side plate, described before
Flange and described rear flange, define when flank observation post states vehicle body in substantially medicated cap shape
Cross section,
Described front flange and described rear flange are bonded in the described lower plate of described rear roof cross beam.
Vehicle body rear part structure the most according to claim 1, it is characterised in that after described
Roof cross beam has the beam flange extended from the upper end of described stringer board to vehicle body fore-and-aft direction,
This beam flange is bonded to described roof panel,
The junction surface, described front end of described bracket is prolonged by being only bonded on described on described stringer board
The flange of the front end in long portion and constitute.
Vehicle body rear part structure the most according to claim 1 and 2, it is characterised in that institute
State strengthening part and be only located at the underface in described hinge face portion.
Vehicle body rear part structure the most according to claim 1, it is characterised in that described
Two closed section portions adjoin with described first closed section portion, and from this first closed section
Portion is independent.
Vehicle body rear part structure the most according to claim 1, it is characterised in that described torr
Frame has the side plate on front side of a pair that the two ends, overall width direction from described extension extend downwards
Portion, by described extension and the side plate of the pair of front side, is formed and observes institute from rear
Cross section in substantially reverse U shape when stating vehicle body.
Vehicle body rear part structure the most according to claim 5, it is characterised in that described torr
Frame has the lower end of the side plate from the pair of front side to the left and right extended outside overall width direction
Lower flange,
Lower flange about this is bonded in the described lower plate of described rear roof cross beam.
7. according to the vehicle body rear part structure described in claim 5 or 6, it is characterised in that institute
State that bracket has that the two ends, overall width direction from described hinge face portion extend downwards a pair
The side plate of rear side,
Side plate on rear side of in the of this pair relative to the side plate of the pair of front side along before and after vehicle body
Direction is continuous,
Crest line between described hinge face portion and the side plate of the pair of rear side relative to
The crest line between side plate on front side of described extension and a pair is continuous along vehicle body fore-and-aft direction.
Vehicle body rear part structure the most according to claim 1, it is characterised in that described
The reinforcement extended along vehicle body fore-and-aft direction it is formed with on extension.
Vehicle body rear part structure the most according to claim 1, it is characterised in that described torr
Frame is had and is inserted into spot welding when being joined in described lower plate by described front flange by spot welding
The electrode-inserting holes of electrode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-055528 | 2013-03-18 | ||
| JP2013055528A JP5952211B2 (en) | 2013-03-18 | 2013-03-18 | Car body rear structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104058009A CN104058009A (en) | 2014-09-24 |
| CN104058009B true CN104058009B (en) | 2017-01-11 |
Family
ID=51546015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410047385.7A Active CN104058009B (en) | 2013-03-18 | 2014-02-08 | Vehicle Body Rear Structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5952211B2 (en) |
| CN (1) | CN104058009B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014222536B3 (en) * | 2014-11-05 | 2016-03-03 | Volkswagen Aktiengesellschaft | Body structure for a vehicle |
| CN104589973A (en) * | 2015-01-28 | 2015-05-06 | 长城汽车股份有限公司 | Supporting and mounting structure for back door supporting rod, back door connecting structure and vehicle |
| KR101703594B1 (en) * | 2015-05-27 | 2017-02-22 | 현대자동차 주식회사 | Rear vehicle body reinforcing structure |
| CN106043448A (en) * | 2016-08-04 | 2016-10-26 | 奇瑞汽车股份有限公司 | Car body rear head piece assembly structure |
| JP6514169B2 (en) * | 2016-09-27 | 2019-05-15 | 本田技研工業株式会社 | Rear body structure |
| CN108316795A (en) * | 2017-12-25 | 2018-07-24 | 重庆长安汽车股份有限公司 | A kind of automobile back door hinge reinforcement structure |
| CN110091923B (en) * | 2018-01-31 | 2020-07-24 | 长城汽车股份有限公司 | Roof rear cross beam section structure, vehicle and analysis method for improving section coefficient of roof rear cross beam section structure |
| JP6959301B2 (en) * | 2019-07-05 | 2021-11-02 | 本田技研工業株式会社 | Vehicle roof structure |
| FR3115754A1 (en) * | 2020-10-30 | 2022-05-06 | Renault S.A.S. | Articulation support for a vehicle trunk door. |
| JP7198846B2 (en) * | 2021-02-22 | 2023-01-04 | 本田技研工業株式会社 | car body superstructure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1636819A (en) * | 2003-12-25 | 2005-07-13 | 马自达汽车株式会社 | Rear part structure for vehicle body |
| CN1895947A (en) * | 2005-06-27 | 2007-01-17 | 马自达汽车株式会社 | Vehicle rear body structure |
| CN101327812A (en) * | 2007-06-22 | 2008-12-24 | 本田技研工业株式会社 | Vehicle body rear part structure |
| CN101391623A (en) * | 2007-09-19 | 2009-03-25 | 铃木株式会社 | Tail parts structure of vehicle body |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58111671U (en) * | 1982-01-27 | 1983-07-29 | 三菱自動車工業株式会社 | Real flail structure |
| JPS6153215U (en) * | 1984-09-14 | 1986-04-10 | ||
| JPS61192978U (en) * | 1985-05-27 | 1986-12-01 | ||
| JPH09263265A (en) * | 1996-03-28 | 1997-10-07 | Mazda Motor Corp | Rear part reinforcing structure for automobile |
-
2013
- 2013-03-18 JP JP2013055528A patent/JP5952211B2/en not_active Expired - Fee Related
-
2014
- 2014-02-08 CN CN201410047385.7A patent/CN104058009B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1636819A (en) * | 2003-12-25 | 2005-07-13 | 马自达汽车株式会社 | Rear part structure for vehicle body |
| CN1895947A (en) * | 2005-06-27 | 2007-01-17 | 马自达汽车株式会社 | Vehicle rear body structure |
| CN101327812A (en) * | 2007-06-22 | 2008-12-24 | 本田技研工业株式会社 | Vehicle body rear part structure |
| CN101391623A (en) * | 2007-09-19 | 2009-03-25 | 铃木株式会社 | Tail parts structure of vehicle body |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5952211B2 (en) | 2016-07-13 |
| CN104058009A (en) | 2014-09-24 |
| JP2014180911A (en) | 2014-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104058009B (en) | Vehicle Body Rear Structure | |
| US9592856B2 (en) | Upper vehicle-body structure of vehicle | |
| CN103717481B (en) | Vehicle body lateral structure | |
| CN103391873B (en) | Vehicular upper-part structure | |
| US9764770B2 (en) | Structure for upper part of vehicle body | |
| CN100390007C (en) | Rear body structure of vehicle | |
| US10377421B2 (en) | Upper vehicle-body structure of vehicle | |
| US8205925B2 (en) | Vehicle body reinforcing structure | |
| CN104290819B (en) | Rear vehicle body part configuration | |
| US9783241B2 (en) | Vehicle body rear part structure | |
| JP2016002905A (en) | Upper vehicle body structure of automobile with sunroof | |
| US20160236721A1 (en) | Upper vehicle-body structure of vehicle | |
| CN102666264A (en) | Vehicle body panel joining structure | |
| KR101462915B1 (en) | Structure of cowl for vehicle | |
| US9139235B2 (en) | Vehicle frame rail and pillar connection | |
| US9248863B2 (en) | Vehicle body superstructure | |
| CN103370258A (en) | Structure for lower portion of vehicle | |
| US8870270B2 (en) | Structure for lower vehicle body of vehicle front part | |
| CN107021140A (en) | Bottom section of body | |
| CN105189261B (en) | Back structure of vehicle body | |
| KR20120120266A (en) | Center pillar upper portion joining structure | |
| KR101734580B1 (en) | Center piller panel for vehicle | |
| US20200298915A1 (en) | Vehicle lower portion structure | |
| CN109987142A (en) | Car body fore part arrangement | |
| JP6237669B2 (en) | Upper body structure of the vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |