CN105189260B - Rear section structure of vehicle body - Google Patents
Rear section structure of vehicle body Download PDFInfo
- Publication number
- CN105189260B CN105189260B CN201480026591.8A CN201480026591A CN105189260B CN 105189260 B CN105189260 B CN 105189260B CN 201480026591 A CN201480026591 A CN 201480026591A CN 105189260 B CN105189260 B CN 105189260B
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- Prior art keywords
- rear pillar
- plate
- inner panel
- reinforcement
- flange
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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
- B62D25/08—Front or rear portions
- B62D25/087—Luggage compartments
-
- 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
- B62D25/04—Door pillars ; windshield pillars
-
- 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
- B62D25/06—Fixed roofs
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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
A rear section structure of a vehicle body is separately composed of a rear inner panels, which comprise left and right side vehicle interior side panels in the rear section of a vehicle, and inner roof side rails (22) at the top of the vehicle that extend from the rear inner panels to the front side of the vehicle. The inner roof side rails (22) each have a rail side wall (50) that extends in the vertical direction, a rail bottom wall (52) that extends from the bottom end of the rail side wall (50) to the outside in the vehicle width direction, and a rail flange (54) that extends from the outer end of the rail bottom wall (52) in the vehicle width direction. The rear inner panels each have a panel side wall (60) that extends in parallel with the rail flange (54) in the vertical direction, and a panel top wall (62) that extends from the upper end of the panel side wall (60) toward the center in the vehicle width direction in such a manner as to follow the rail side wall (50).
Description
Technical field
The present invention relates to including the back structure of vehicle body of rear pillar.
Background technology
For example, a kind of back structure of vehicle body of automobile is Patent Document 1 discloses, it has in the rear pillar being integrally formed
Plate.The bottom of rear pillar inner panel and the upper bond of rear wheel cover outer plate.In addition, the hinder marginal part of rear pillar inner panel and rear tailgate Cutout reinforcement
Part is engaged.
Prior art literature
Patent documentation
Patent documentation 1：Japanese Unexamined Patent Publication 2006-206012 publications
The content of the invention
But, although if rear pillar is integrally formed together with other components, have the advantages that to reduce number of components, but be not required to
The rigid, thickness of slab of the other parts of intensity also all forms thick, therefore tare can correspondingly increase.
If in addition, rear pillar is integrally formed together with other components, integrally formed component itself becomes big, so as to be manufactured into
This increase.
The present invention general purpose be, there is provided a kind of rigid, intensity for being able to ensure that necessary part, and split constitute
To realize light-weighted back structure of vehicle body.
To achieve these goals, the present invention provides a kind of back structure of vehicle body, and it has：Inner panel afterwards, it constitutes vehicle body
Side plate in the car room of the left and right sides in rear portion；With roof cant rail inner part, it is in the top of Vehicular side body from above-mentioned rear inner panel
Extend to vehicle front side, above-mentioned back structure of vehicle body is characterised by, split constitutes above-mentioned rear inner panel and above-mentioned roof cant rail
Inner part, above-mentioned roof cant rail inner part is with the Liang Cebi extended along above-below direction, from the lower end of above-mentioned Liang Cebi to car
Beam lower wall and the beam flange that extends downwards from the overall width outboard end of above-mentioned beam lower wall that cross direction outside extends, it is above-mentioned after
Inner panel have with above-mentioned beam flange side by side along above-below direction extend plate side wall and from the upper end of above-mentioned plate side wall with
Along the plate upper wall that the mode of above-mentioned Liang Cebi extends to overall width center side.
According to the present invention, by being constituted with different component after inner panel and roof cant rail inner part, can be to needing Gao Gang
Property, the position of high intensity select the component of the thicker component of thickness of slab or the material with high rigidity, it is on the other hand, light to needing
The position of quantization selects the component of the relatively thin component of thickness of slab or light material.Its result is, in the present invention, by conventional integration
Rear pillar split ground is constituted, and by the suitable institute's ground layout structure of suitable material, high rigidity, high intensity and lightweight can be made to realize simultaneously.
And, be configured in the present invention, by be located at constitute after inner panel plate side wall and plate upper wall between ridge line section,
To cover the ridge line section being located between the beam lower wall and beam flange that constitute roof cant rail inner part.Thereby, it is possible to further raising
Rigid, the intensity of rear pillar.
In addition, it is a feature of the present invention that above-mentioned rear inner panel has plate flange, overall width of the plate flange from above-mentioned plate upper wall
Medial end extends upward in the way of along above-mentioned Liang Cebi.
According to the present invention, be configured to by be located at constitute after inner panel plate flange and plate upper wall between ridge line section covering
Lid is located at the ridge line section between the Liang Cebi and beam lower wall for constituting roof cant rail inner part, thereby, it is possible to further improve rear pillar
Rigid, intensity.
In addition, it is a feature of the present invention that above-mentioned plate flange have the 1st reinforcement muscle portion, and clip it is above-mentioned 1st strengthen
Part muscle portion is engaged with above-mentioned Liang Cebi.
According to the present invention, by arranging the 1st reinforcement muscle portion, it is possible to increase the plate flange of inner panel is rigid, strong after composition
Degree.
In addition, it is a feature of the present invention that above-mentioned rear inner panel is by constituting the rear pillar inner panel of tail-gate peristome and constituting car
After one's death the rear pillar reinforcement in the back door opening portion in portion is constituted, and above-mentioned rear pillar inner panel utilizes different component structure with above-mentioned rear pillar reinforcement
Into, and it is provided with stiffener in the rear pillar configured in the way of across above-mentioned rear pillar inner panel and above-mentioned rear pillar reinforcement.
According to the present invention, by being constituted rear pillar inner panel and rear pillar reinforcement with different component, can be to needing high rigidity, height
The position of intensity selects the component of the thicker component of thickness of slab or the material with high rigidity, on the other hand, to needing lightweight
Position select the component of the relatively thin component of thickness of slab or light material.Its result is, in the present invention, by the rear pillar of conventional integration
Split ground is constituted, and by the suitable institute's ground layout structure of suitable material, high rigidity, high intensity and lightweight can be made to realize simultaneously.
And, in the present invention, postponed by matching somebody with somebody across two components being made up of rear pillar inner panel and rear pillar reinforcement
Stiffener to be being strengthened in post, can suppress rigid, the intensity decreases of the part that split constitutes, with guarantee it is desired it is rigid,
Intensity.Its result is in the present invention, as rear pillar entirety, high rigidity, high intensity and lightweight can be made balanced.
In addition, it is a feature of the present invention that there is rear pillar anchoring to mend plate, the rear pillar anchoring is mended plate and connect with above-mentioned rear pillar inner panel
Close and constitute closed section, the rear end of stiffener is mended plate and engaged with the anchoring of above-mentioned rear pillar in above-mentioned rear pillar.
According to the present invention, plate is mended in the rear end of stiffener in rear pillar with the rear pillar anchoring for constituting closed section and is engaged, thus,
Rigid, the intensity of rear pillar can further be improved.
And, it is a feature of the present invention that stiffener has in above-mentioned rear pillar：Muscle portion, it anchors benefit from above-mentioned rear pillar
The junction surface of plate towards vehicle front side extends；With stiffener flange, it is located at the front side of above-mentioned muscle portion, adds in above-mentioned rear pillar
Engage with the reinforcement flange for constituting rear door opening flange on strong part.
According to the present invention, by arranging muscle portion, it is possible to increase rigid, the intensity of rear pillar reinforcement itself.In addition, by inciting somebody to action
Stiffener flange is engaged with rear door opening flange, it is possible to increase rigid, intensity during assembling rear pillar reinforcement.
In addition, it is a feature of the present invention that above-mentioned rear pillar inner panel or above-mentioned rear pillar reinforcement either one so that above-mentioned
Roof cant rail inner part, above-mentioned rear pillar inner panel and above-mentioned rear pillar reinforcement this nonoverlapping mode are provided with incised notch portion.
According to the present invention, by arranging incised notch portion, roof cant rail inner part, rear pillar inner panel and rear pillar can be avoided from strengthening
Part this overlap.Thereby, it is possible to avoid four components in outside plate after for example also overlapping from overlapping, can suppress for example
Engaging force (adhesion) during welding (such as spot welding) overlapping part is reduced.
In addition, it is a feature of the present invention that above-mentioned incised notch portion is located on above-mentioned rear pillar inner panel, above-mentioned rear pillar reinforcement has
The 2nd vertically extending reinforcement muscle portion in the way of across above-mentioned incised notch portion.
According to the present invention, by the way that incised notch portion is located on rear pillar inner panel, the 2nd reinforcement muscle portion can be made along above-below direction
Extend.In addition, being extended along above-below direction by making the 2nd reinforcement muscle portion, it is possible to increase rear pillar reinforcement it is overall it is rigid,
Intensity.
In addition, it is a feature of the present invention that above-mentioned rear pillar inner panel by the above-mentioned rear pillar reinforcement of thickness ratio thickness of slab it is thick or with
Above-mentioned rear pillar reinforcement compare high rigidity, high intensity component constitute, be provided with above-mentioned rear pillar reinforcement above-mentioned plate side wall, on
State plate upper wall and above-mentioned plate flange.
According to the present invention, rear pillar inner panel Gao Gang by the thickness of slab thickness of thickness ratio rear pillar reinforcement or compared with rear pillar reinforcement
Property, the component of high intensity constitute, thereby, it is possible to be easy to form plate side wall, plate upper wall and plate flange on rear pillar reinforcement, so as to
Improve the formability of rear pillar reinforcement.Invention effect
In the present invention, rigid, the intensity that can ensure that necessary part is obtained in that, and split constitutes to realize lightweight
Back structure of vehicle body.
Description of the drawings
Fig. 1 is the solid of the vehicle rear of the back structure of vehicle body that embodiments of the present invention have been suitable for from car indoor observation
Figure.
Fig. 2 is the enlarged partial isometric view of Fig. 1.
Fig. 3 is the sectional elevation along the III-III lines of Fig. 2.
Fig. 4 is the axonometric chart of the vehicle rear that rear pillar outside plate is unloaded from the outer rear observation of car.
(a) of Fig. 5 is the enlarged partial isometric view of Fig. 4, and (b) of Fig. 5 is to represent the incised notch in the incised notch portion of rear pillar inner panel
Part, Fig. 5 (a) enlarged partial isometric view.
Fig. 6 is the longitudinal section along the line VI -- VI of Fig. 5 (a).
Fig. 7 is the partial enlargement longitudinal section of Fig. 6.
Fig. 8 is the perspective side elevation view from the upper side of inner panel and rear pillar reinforcement after the observation of car outside.
Fig. 9 is the sectional elevation along the IX-IX lines of Fig. 8.
Figure 10 is the sectional elevation along the X-X lines of Fig. 8.
Specific embodiment
Then, suitably referring to the drawings, embodiments of the present invention are described in detail.Fig. 1 is suitable from car indoor observation
With the axonometric chart of the vehicle rear of the back structure of vehicle body of embodiments of the present invention, Fig. 2 is the amagnified partial perspective of Fig. 1
Figure, Fig. 3 is the sectional elevation along the III-III lines of Fig. 2.Additionally, " in front and back " and " upper and lower " shown with arrows in the various figures
The fore-and-aft direction and above-below direction of vehicle body are represented, " left and right " represents respectively the left and right directions (overall width direction) from driver's seat observation.
As shown in Figures 1 and 2, inner panel 12,12 after vehicle 10 has a pair, it constitutes the left and right sides in body tail
Side plate in car room.But in FIG, illustrate only the rear inner panel 12 on right side and eliminate the diagram of the rear inner panel 12 in left side.
Inner panel 12,12 is made up of a pair of rear pillar inner panels 16,16 and a pair of rear pillar reinforcements 20,20 after a pair.A pair of rear pillars
Inner panel 16,16 forms the tail-gate peristome 14 at vehicle body rear.A pair of rear pillar reinforcements 20,20 form the back door opening of body tail
Portion 18.Rear pillar inner panel 16,16 and rear pillar reinforcement 20,20 are made up of respectively different component.In addition, vehicle 10 has roof cant rail
Inner part 22, it extends in the top of Vehicular side body from rear inner panel 12 towards vehicle front side.Afterwards in inner panel 12 and roof cant rail
Part 22 is made up of respectively different component.
Tail-gate peristome 14 has a pair of rear pillar inner panels 16,16 and rear roof rail 26.A pair of rear pillar inner panels 16,16 are constituted and led to
Cross the lateral margin of the tail-gate peristome 14 of rear tailgate (not shown) (tail-gate) opening and closing.Rear roof rail 26 constitutes the upper of tail-gate peristome 14
Edge, and be erected at a pair of rear pillar inner panels 16,16 and go up each other.Additionally, in FIG, in illustrate only a pair of rear pillar inner panels 16,16
The rear pillar inner panel 16 on the right side of vehicle 10, and eliminate the diagram of the rear pillar inner panel 16 in left side.
Back door opening portion 18 is formed by roof cant rail inner part 22, center pillar 24 and rear pillar reinforcement 20 etc..In roof cant rail
Part 22 is opened and closed by back door (not shown), and is engaged with the upper end of rear pillar inner panel 16 and rear pillar reinforcement 20 respectively, towards
Vehicle front extends.Rear pillar reinforcement 20 is located at the rear portion lateral margin in back door opening portion 18.It is equipped in the lower side of rear inner panel 12：
End plate 28, it is engaged with the bottom of rear inner panel 12；With rear wheel casing inner plate 30, it is with end plate 28 and rear pillar reinforcement 20
Bottom engages respectively.
Rear pillar inner panel 16 is configured in passenger compartment side in the way of extending along roughly vertical direction.Outside the rear pillar inner panel 16 and car
The one of rear pillar outside plate 32 of side is engaged and constitutes rear pillar.As shown in figure 3, rear pillar outside plate 32 in left-right direction (overall width direction) prolongs
Stretch, constitute the rear surface of rear pillar.The one end (outboard end in overall width direction) along left and right directions of rear pillar outside plate 32 and with
The side outside plate 34 that the split of rear pillar outside plate 32 is constituted is engaged.
As shown in Fig. 2 the split of rear pillar inner panel 16 ground has the rear pillar inner panel lower member for constituting bottom and constitutes behind top
Post inner panel upper member.
As shown in figure 3, on the car outdoor unit side of rear pillar inner panel 16, being provided with rear pillar anchoring and mending plate (rear pillar
anchor patch)36.Plate 36 is mended by rear pillar inner panel 16 and rear pillar anchoring and constitutes closed section portion 38.
Closed section portion 38 is formed on the cross section that the axis with rear pillar is substantially orthogonal by closed section.By rear pillar inner panel
The one end side 36a welding of the vehicle front side of plate 36 is mended in 16 inclined side wall 16a and rear pillar anchoring, and by rear pillar inner panel
The rear view of vehicle end 36b engagements of plate 36 are mended in 16 rear view of vehicle end 16c and rear pillar anchoring, thus the shape of closed section portion 38
Become section roughly triangular shape.
Rear view of vehicle side in figure 3, by the vehicle body central authorities side end of the rear pillar outside plate 32 extended along left and right directions
32a, rear pillar anchoring mend the rear view of vehicle end 36b and the rear view of vehicle end 16c of rear pillar inner panel 16 of plate 36 this three in one
Ground engagement.
Fig. 4 is the axonometric chart of the vehicle rear that rear pillar outside plate is unloaded from the outer rear observation of car, and (a) of Fig. 5 is the local of Fig. 4
Amplification stereogram, (b) of Fig. 5 is to represent the enlarged partial isometric view of the part of the incised notch in the incised notch portion of rear pillar inner panel, and Fig. 6 is
Along the longitudinal section of the line VI -- VI of (a) of Fig. 5, Fig. 7 is the partial enlargement longitudinal section of Fig. 6.
As Fig. 4 and Fig. 5 (a) shown in, in the car outer lateral side of rear inner panel 12, be provided with across rear pillar inner panel 16 and after
Stiffener 40 in the rear pillar that the mode of post reinforcement 20 is configured.Stiffener 40 is in substantially rectangular shape under side-looking in rear pillar.Rear pillar
Front end on the vehicle fore-and-aft direction of interior stiffener 40 engages with the reinforcement flange 46 described later of rear pillar reinforcement 20.In rear pillar
Rear end on the vehicle fore-and-aft direction of stiffener 40 anchors benefit plate 36 and engages (with reference to (a) of Fig. 5) with rear pillar.
Stiffener 40 has muscle portion 42 and stiffener flange 48 in rear pillar.Muscle portion 42 is from the engagement that benefit plate 36 is anchored with rear pillar
Portion towards vehicle front side extends.Stiffener flange 48 is located at the front side of muscle portion 42, and on rear pillar reinforcement 20 with formation
The reinforcement flange 46 of rear door opening flange 44 is engaged.Reinforcement flange 46 is made up of generally flat, muscle portion 42 be formed as from
Reinforcement flange 46 towards car outside bloats.
Vehicle 10 have engage with the upper end of rear pillar inner panel 16 and rear pillar reinforcement 20 and along vehicle fore-and-aft direction extension
Roof cant rail inner part 22.Roof cant rail inner part 22 is constituted with the split of rear inner panel 12.
As shown in FIG. 6 and 7, roof cant rail inner part 22 is made up of beam side wall 50, beam lower wall 52 and beam flange 54.Beam
Side wall 50 is located at upper side and vertically extending.Beam lower wall 52 from the lower end of beam side wall 50 to overall width direction on the outside of prolong
Stretch.Beam flange 54 extends downwards from the overall width outboard end of beam lower wall 52.Be provided between beam lower wall 52 and beam flange 54 with
Bend to the 1st ridge line section 56 that the mode of section arc-shaped is formed.In addition, being provided with curved between beam lower wall 52 and beam side wall 50
The 2nd ridge line section 58 that the bent mode into section arc-shaped is formed.
Rear pillar reinforcement 20 (inner panel afterwards) has plate side wall 60, plate upper wall 62 and plate flange 64.Plate side wall 60 is convex with beam
Edge 54 is vertically extending side by side.Plate upper wall 62 from the upper end of plate side wall 60 in the way of along beam lower wall 52 in overall width
Centre side extends.Plate flange 64 extends upward from the overall width medial end of plate upper wall 62 in the way of along beam side wall 50.In plate
The ridge line section 61 of plate the 1st formed in the way of being provided between side wall 60 and plate upper wall 62 to bend to section arc-shaped.In addition, in plate
The ridge line section 63 of plate the 2nd formed in the way of being provided between upper wall 62 and plate flange 64 to bend to section arc-shaped.
Plate flange 64 has and bloats the 1st reinforcement muscle (stiffener bead) portion 66 to be formed, and clips the 1st reinforcement
Muscle portion 66 is engaged with beam side wall 50.Additionally, plate side wall 60, plate upper wall 62 and plate flange 64 are respectively structured as along vehicle front and back
To width dimensions it is roughly the same.
As shown in figure 5, be provided with the upper end of rear pillar reinforcement 20 being engaged with the beam side wall 50 of roof cant rail inner part 22
Plate flange 64.The 1st reinforcement bloated towards car outside is provided with the central part along vehicle fore-and-aft direction of plate flange 64
Part muscle portion 66.Both sides on the vehicle fore-and-aft direction of the 1st reinforcement muscle portion 66 are provided with as the engagement between beam side wall 52
1st flange part 68 in portion.
As shown in (a) of Fig. 5, the incised notch portion 70 in roughly triangular shape is provided with rear pillar inner panel 16.As described later,
To make roof cant rail inner part 22, rear pillar inner panel 16 and rear pillar reinforcement 20 this nonoverlapping mode arrange the incised notch portion
70.Additionally, the dotted portion of (b) of Fig. 5 represents the incised notch part of rear pillar inner panel 16.In addition, in the present embodiment, after making
The incised notch of post inner panel 16 and form incised notch portion 70, but not limited to this, as long as rear pillar inner panel 16 or rear pillar reinforcement 20 either one
It is provided with incised notch portion 70.
The plate side wall 60 of rear pillar reinforcement 20 has vertically extending the 2nd reinforcement in the way of across incised notch portion 70
Part muscle portion 72.2nd reinforcement muscle portion 72 is located at the lower side of the 1st reinforcement muscle portion 68 and bloats towards car indoor and formed.
The 2nd flange part 74 engaged with beam flange 54 is provided with the both sides of the vehicle fore-and-aft direction of the 2nd reinforcement muscle portion 72.
Fig. 8 is the perspective side elevation view from the upper side of inner panel and rear pillar reinforcement after the observation of car outside, and Fig. 9 is along Fig. 8
IX-IX lines sectional elevation, Figure 10 is the sectional elevation along the X-X lines of Fig. 8.
Knowable to relatively Fig. 9 and Figure 10, the width dimensions W1 on the vehicle fore-and-aft direction of the 1st reinforcement muscle portion 66 of upper side
Little (the W1 of width dimensions W2 being set on the vehicle fore-and-aft direction than the 2nd reinforcement muscle portion 72 of lower side<W2).Onboard wall
62 with the width dimensions identical of plate side wall 60 in the case of, between the width dimensions based on the 1st and the 2nd reinforcement muscle portion 66,72
Relation, and the width dimensions on the vehicle fore-and-aft direction of the 1st flange part 68 are set to before and after the vehicle than the 2nd flange part 74
Width dimensions on direction are big.Its result is in the present embodiment, can rightly to guarantee for being located at the 1st reinforcement
1st flange part 68 of the both sides of muscle portion 66 is bonded on the spot welding surplus on the beam lower wall 52 of roof cant rail inner part 22.
In addition, the 1st reinforcement muscle portion 66 sets respectively with the direction (projected direction) that bloats of the 2nd reinforcement 72 in car indoor and outdoor
It is set to rightabout.As shown in Figure 10, in order to the 1st flange part 68 is engaged with beam side wall 50, the 1st reinforcement muscle portion 66 need with
The mode bloated to car outside is formed.In addition, as shown in figure 9, in order to by the 2nd flange part 74 and side outside plate of vehicle front side
34 engagements, the 2nd reinforcement muscle portion 72 needs to be formed in the way of bloating to car indoor.Like this, the 1st and the 2nd reinforcement muscle
Portion 66,72 bloat direction be accordingly set as with the other side's component to be engaged it is different from each other.
Additionally, as shown in figure 3, rear pillar inner panel 16 formed thick by thickness ratio rear pillar reinforcement 20 or with rear pillar reinforcement
20 compare high rigidity, the component of high intensity is constituted.Can also in contrast to this, rear pillar reinforcement 20 is by thickness ratio rear pillar inner panel 16
Formed thick or high rigidity, the component of high intensity are constituted compared with rear pillar inner panel 16.
The back structure of vehicle body 10 of present embodiment is substantially constituted in the above described manner, then, its action effect is carried out
Explanation.
In the present embodiment, by being constituted with different component after inner panel 12 and roof cant rail inner part 22, can to need
Want the component of the thicker component of the position selection thickness of slab of high rigidity, high intensity or the material with high rigidity.On the other hand, it is right
Light-weighted position is needed to select the component of the relatively thin component of thickness of slab or light material.Its result is, in the present embodiment, even if
In the case where the rear pillar split of conventional integration is constituted, carried out come Optimum point by the suitable institute ground layout structure of suitable material
Body is constituted, and high rigidity, high intensity and lightweight can be made to realize simultaneously.
In addition, in the present embodiment, it is configured to by being located at the plate side wall 60 for constituting rear pillar reinforcement 20 and plate upper wall
The ridge line section 61 of plate the 1st between 62 is located between the beam lower wall 52 and beam flange 54 that constitute roof cant rail inner part 22 to cover
The 1st ridge line section 56.Thereby, it is possible to rigid, the intensity that further improve rear pillar.
And, in the present embodiment, it is configured to by being located at the plate flange 64 for constituting rear pillar reinforcement 20 and plate upper wall
The ridge line section 63 of plate the 2nd between 62 is located between the beam side wall 50 and beam lower wall 52 that constitute roof cant rail inner part 22 to cover
The 2nd ridge line section 58.Thereby, it is possible to further improve rigid, the intensity of rear pillar.
In addition, in the present embodiment, the 1st reinforcement muscle portion 66 is additionally provided with, thereby, it is possible to improve rear pillar reinforcement is constituted
Rigid, the intensity of 20 plate flange 64.
In addition, in the present embodiment, rear pillar inner panel 16 and rear pillar reinforcement 20 are also constituted using different component, thus
Can to needing high rigidity, the position of high intensity select the thicker component of thickness of slab or the component of material with high rigidity.Separately
On the one hand, to needing light-weighted position to select the component of the relatively thin component of thickness of slab or light material.Its result is, in this embodiment party
In formula, even if in the case that the rear pillar split of conventional integration is constituted, by the suitable institute's ground layout structure of suitable material come Optimum
Carry out split composition, high rigidity, high intensity and lightweight can be made to realize simultaneously.
In addition, in the present embodiment, also across the two components ground being made up of rear pillar inner panel 16 and rear pillar reinforcement 20
Stiffener 40 is being strengthened in configuration rear pillar.Rigid, the intensity decreases of the part thereby, it is possible to suppress split to constitute, with true
Protect desired rigid, intensity.Its result is in the present embodiment, as rear pillar entirety, can to make high rigidity, high intensity
It is balanced with lightweight.
In addition, in the present embodiment, also by the rear end of stiffener in rear pillar 40 and the rear pillar anchoring for constituting closed section
Mend plate 36 to engage, thereby, it is possible to rigid, the intensity that further improve rear pillar.
In addition, in the present embodiment, also set up muscle portion 42, thereby, it is possible to improve rear pillar reinforcement 20 itself it is rigid,
Intensity.In addition, by the way that stiffener flange 48 is engaged with rear door opening flange 44, it is possible to increase during assembling rear pillar reinforcement 20
Rigidity, intensity.
In addition, in the present embodiment, incised notch portion 70 is additionally provided with, thereby, it is possible to avoid roof cant rail inner part 22, rear pillar
Inner panel 16 and rear pillar reinforcement 20 this overlap.Thus, it is to avoid when for example also rear pillar outside plate 32 is overlapped, four components occur
Overlap, the engaging force (adhesion) when (such as spot welding) overlapping part is for example welded can be suppressed to reduce.
In addition, in the present embodiment, incised notch portion 70 is provided with rear pillar inner panel 16, thereby, it is possible to make the 2nd reinforcement muscle
Portion 72 extends along above-below direction.In addition, being extended along above-below direction by making the 2nd reinforcement muscle portion 72, it is possible to increase rear pillar
Rigid, the intensity of the entirety of reinforcement 20.
In addition, in the present embodiment, rear pillar inner panel 16 is formed thick by thickness ratio rear pillar reinforcement 20 or added with rear pillar
Strong part 20 is compared the component with high rigidity, high intensity and is constituted, thereby, it is possible to be easy to form plate side wall on rear pillar reinforcement 20
60th, plate upper wall 62 and plate flange 64, so as to improve the formability of rear pillar reinforcement 20.
Additionally, used as modified embodiment of the present embodiment, for example, it is also possible to be, rear pillar reinforcement 20 is by thickness ratio rear pillar
Plate 16 is formed thick or the component with high rigidity, high intensity is constituted compared with rear pillar inner panel 16.By constituting by this way
Have the following advantages：The formability of rear pillar inner panel 16 can be improved, and can be made by the rear pillar constituted than larger plate
The lightweight of plate 16.
Description of reference numerals
10 vehicles
Inner panel after 12
14 tail-gate peristomes
16 rear pillar inner panels
18 back door opening portions
20 rear pillar reinforcements
22 roof cant rail inner parts
Plate is mended in the anchoring of 36 rear pillars
38 closed section portions
Stiffener in 40 rear pillars
42 muscle portions
44 rear door opening flanges
46 reinforcement flanges
48 stiffener flanges
50 Liang Cebi
52 beam lower walls
54 beam flanges
60 plate side walls
62 plate upper walls
64 plate flanges
66 the 1st reinforcement muscle portions
70 incised notch portions
72 the 2nd reinforcement muscle portions
Claims (8)
1. a kind of back structure of vehicle body, it has：
Inner panel afterwards, it constitutes side plate in the car room of the left and right sides in body tail；With
Roof cant rail inner part, it extends in the top of Vehicular side body from the rear inner panel to vehicle front side, after the vehicle body
Cage structure is characterised by,
Split constitutes the rear inner panel and the roof cant rail inner part,
The roof cant rail inner part has vertically extending Liang Cebi, from the lower end of the Liang Cebi to overall width direction
The beam lower wall of outside extension and the beam flange extended downwards from the overall width outboard end of the beam lower wall,
The rear inner panel has the plate side wall vertically extending side by side with the beam flange and from plate side wall
The plate upper wall that upper end extends in the way of along the Liang Cebi to overall width center side,
The rear inner panel is strengthened by the rear pillar in the rear pillar inner panel for constituting tail-gate peristome and the back door opening portion for constituting body tail
Part is constituted,
The rear pillar inner panel is made up of with the rear pillar reinforcement different component,
It is provided with stiffener in the rear pillar configured across the rear pillar inner panel and the rear pillar reinforcement.
2. back structure of vehicle body as claimed in claim 1, it is characterised in that
The rear inner panel has plate flange, and the plate flange is from the overall width medial end of the plate upper wall with along the Liang Cebi's
Mode extends upward.
3. back structure of vehicle body as claimed in claim 2, it is characterised in that
The plate flange has the 1st reinforcement muscle portion, and clips the 1st reinforcement muscle portion and engage with the Liang Cebi.
4. back structure of vehicle body as claimed in claim 1, it is characterised in that
Plate is mended with rear pillar anchoring, the rear pillar anchoring is mended plate and engages with the rear pillar inner panel and constitute closed section,
The rear end of stiffener is mended plate and is engaged with rear pillar anchoring in the rear pillar.
5. back structure of vehicle body as claimed in claim 4, it is characterised in that
Stiffener has in the rear pillar：
Muscle portion, it extends from the junction surface that benefit plate is anchored with the rear pillar towards vehicle front side；With
Stiffener flange, it is located at the front side of the muscle portion, the reinforcement with the rear pillar reinforcement for constituting rear door opening flange
Flange is engaged.
6. back structure of vehicle body as claimed in claim 1, it is characterised in that
Either one of post inner panel or the rear pillar reinforcement in the rear, so that in the roof cant rail inner part, the rear pillar
Plate and the rear pillar reinforcement this nonoverlapping mode are provided with incised notch portion.
7. back structure of vehicle body as claimed in claim 6, it is characterised in that
The incised notch portion is located on the rear pillar inner panel,
The rear pillar reinforcement has vertically extending the 2nd reinforcement muscle portion in the way of across the incised notch portion.
8. back structure of vehicle body as claimed in claim 2, it is characterised in that
The rear pillar inner panel is made up of the component of the high rigidity compared with the rear pillar reinforcement, high intensity,
In the rear post reinforcement is provided with plate side wall, the plate upper wall and the plate flange.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-099931 | 2013-05-10 | ||
| JP2013099931 | 2013-05-10 | ||
| PCT/JP2014/061961 WO2014181740A1 (en) | 2013-05-10 | 2014-04-30 | Rear section structure of vehicle body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105189260A CN105189260A (en) | 2015-12-23 |
| CN105189260B true CN105189260B (en) | 2017-04-12 |
Family
ID=51867221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480026591.8A Active CN105189260B (en) | 2013-05-10 | 2014-04-30 | Rear section structure of vehicle body |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6062044B2 (en) |
| CN (1) | CN105189260B (en) |
| WO (1) | WO2014181740A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3062601A1 (en) * | 2017-05-10 | 2019-11-06 | Nippon Steel Corporation | Structural member, vehicle-body structure and bumper reinforcement |
| JP7172768B2 (en) * | 2019-03-15 | 2022-11-16 | トヨタ自動車株式会社 | vehicle rear structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746066A (en) * | 2004-09-10 | 2006-03-15 | 铃木株式会社 | Joint construction in upper part of center pillar |
| CN103085885A (en) * | 2011-11-04 | 2013-05-08 | 铃木株式会社 | Reinforcing structure of back column part |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6416488U (en) * | 1987-07-21 | 1989-01-26 | ||
| JP3769809B2 (en) * | 1996-03-26 | 2006-04-26 | マツダ株式会社 | Car side reinforcement structure |
| JP4558441B2 (en) * | 2004-10-14 | 2010-10-06 | 富士重工業株式会社 | Car body rear structure |
| JP2009179176A (en) * | 2008-01-30 | 2009-08-13 | Kanto Auto Works Ltd | D pillar reinforcing structure of vehicle |
| JP2010012856A (en) * | 2008-07-02 | 2010-01-21 | Kanto Auto Works Ltd | Body of automobile |
| JP2010052627A (en) * | 2008-08-29 | 2010-03-11 | Suzuki Motor Corp | Vehicle quarter part structure |
| JP5621587B2 (en) * | 2010-12-28 | 2014-11-12 | スズキ株式会社 | Quota structure |
-
2014
- 2014-04-30 WO PCT/JP2014/061961 patent/WO2014181740A1/en active Application Filing
- 2014-04-30 JP JP2015515855A patent/JP6062044B2/en active Active
- 2014-04-30 CN CN201480026591.8A patent/CN105189260B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746066A (en) * | 2004-09-10 | 2006-03-15 | 铃木株式会社 | Joint construction in upper part of center pillar |
| CN103085885A (en) * | 2011-11-04 | 2013-05-08 | 铃木株式会社 | Reinforcing structure of back column part |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6062044B2 (en) | 2017-01-18 |
| WO2014181740A1 (en) | 2014-11-13 |
| JPWO2014181740A1 (en) | 2017-02-23 |
| CN105189260A (en) | 2015-12-23 |
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