CN109080708A - Body bottom section construction - Google Patents
Body bottom section construction Download PDFInfo
- Publication number
- CN109080708A CN109080708A CN201810601143.6A CN201810601143A CN109080708A CN 109080708 A CN109080708 A CN 109080708A CN 201810601143 A CN201810601143 A CN 201810601143A CN 109080708 A CN109080708 A CN 109080708A
- Authority
- CN
- China
- Prior art keywords
- cover
- component
- vehicle
- main body
- canister
- 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.)
- Granted
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Classifications
-
- 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
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/105—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention provides a kind of body bottom section construction, can make from the on-vehicle parts that cover component covers to bottom offset to absorb shock loading.It includes fuel tank (21), canister (23) and cover component (66) that body bottom section, which constructs (10),.Fuel tank (21) is arranged in the lower section of floor (12).Canister (23) configures in the vehicle width direction of fuel tank (21).Cover component (66) includes that component (82) are allowed in cover main body (81) and cover displacement.Canister (23) is covered by cover main body (81) from below.Cover displacement allow component (82) be configured to by make cover main body (81) to bottom offset and allow canister (23) to bottom offset.
Description
Technical field
The present invention relates to body bottom section constructions.
Background technique
It is constructed as body bottom section, it is known to a kind of that floor is installed on stringer under left and right, is installed in the lower section on floor
There is the construction of fuel tank.Ensure to have interval between fuel tank and lower stringer.Shock loading is being had input from vehicle side as a result,
When, lower stringer deformation can be made to absorb shock loading.Shock loading is absorbed by making lower stringer deformation, fuel can be protected
Case (referring for example to patent document 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2013-124023 bulletin
Summary of the invention
Here, the canister that there is the evaporated fuel for adsorbed fuel case configures the feelings between fuel tank and lower stringer
Condition.In this case, it is believed that canister can inhibit the deformation of lower stringer.As its countermeasure, consider when having input shock loading
Make canister to bottom offset.By making canister to bottom offset, lower stringer deformation can be made to absorb shock loading.
But the case where there is the air force for considering body bottom section and canister covered by cover component from below.In such case
Under, it is believed that cover component can inhibit canister (i.e. on-vehicle parts) to bottom offset, be not easy to realize the absorption of shock loading.
Therefore, the present invention, which provides one kind, can make the on-vehicle parts covered by cover component to bottom offset to absorb shock loading
Body bottom section construction.
In order to solve the above-mentioned technical problem, the invention of technical solution 1 is a kind of body bottom section construction (such as embodiment
10) body bottom section constructs comprising: the energy source of vehicle (such as vehicle Ve of embodiment) (such as the fuel of embodiment
Case 21)；It is configured at the on-vehicle parts (such as canister 23 of embodiment) of the vehicle width direction of the energy source；And it covers from below
The cover component (such as cover component 66,103,120 of embodiment) of the on-vehicle parts is covered, the feature of body bottom section construction exists
In, have cover the cover main body (such as cover main body 81 of embodiment) of the on-vehicle parts from below and by making the cover
Main body to bottom offset and allow the on-vehicle parts to the cover of bottom offset displacement allow component (such as embodiment cover displacement hold
Perhaps component 82,104,121).
As described above, covering on-vehicle parts from below by cover component (cover main body).Thereby, it is possible to suitably true by cover component
The air flowing for protecting body bottom section, improves aerodynamic quality.
In addition, in cover component there is cover displacement to allow component.Cover displacement allows component having input impact from vehicle side
When load, allow on-vehicle parts to bottom offset.Thereby, it is possible to make from the on-vehicle parts that cover component covers to bottom offset.So as to
It is appropriately deformed the side of vehicle to absorb shock loading.As a result, it is possible to inhibiting effect in the load of energy source, protection
Energy source be not hit load destruction.
The invention of technical solution 2 is characterized in that, further includes outside portion (such as the embodiment that the vehicle is arranged in
The left outside side 12a on floor, floor right outside portion 12b) and lower stringer (such as the embodiment that extends along vehicle body front-rear direction
Lower-left stringer 13, bottom right stringer 14), the outside portion of the cover main body is mounted on the lower stringer, and cover displacement is allowed
Component is the engaging portion that the on-vehicle parts are incorporated into the cover main body.
As described above, the outside portion of cover main body is installed on lower stringer.So as to be carried from the impact of vehicle side side
Lotus is transferred to cover component from lower stringer well.Thus it enables that cover component deforms downwards rapidly.
In addition, making cover main body in conjunction with on-vehicle parts using engaging portion (i.e. component is allowed in cover displacement).So as to make vehicle
Carry component deformation downwards well together with cover main body.Thus it enables that the side of body bottom section construction is appropriately deformed to absorb
Shock loading.
The invention of technical solution 3 is characterized in that, further includes seperated with the cover component of the on-vehicle parts is incorporated into
Lower cover (such as lower cover 65,102 of embodiment), the lower surface height dimension of the lower cover and the cover component
Lower surface height dimension (such as embodiment lower cover and cover main body lower surface height dimension H1) it is identical.
As described above, the lower surface height dimension of lower cover is identical as the lower surface height dimension of cover component.Thereby, it is possible to
The air flowing for suitably ensuring body bottom section by lower cover and cover component, improves aerodynamic quality.
In addition, keeping cover component seperated with lower cover.To it be made not by lower part when moving down cover component
Cover moves down with inhibiting.Thus it enables that on-vehicle parts are displaced downwardly together with cover component.
The invention of technical solution 4 is characterized in that the cover component is formed as its at least part relative to the lower part
Cover is overlapped in the up-down direction.
Even if being also able to suppress such as snow as a result, in the case where constituting cover component seperatedly with lower cover from cover
Interior side (i.e. the top of cover component and lower cover) is invaded between component and lower cover.
The invention of technical solution 5 is characterized in that it is the fragility for being set to the cover main body that component is allowed in the cover displacement
Portion's (such as frangible portion 105 of embodiment).
As noted previously, as allowing component as cover displacement and frangible portion being arranged in cover main body, so as to make fragility
Portion is broken under the action of the shock loading inputted from vehicle side.Therefore cover main body (i.e. cover component) can be made to move downwards
It is dynamic.Thus it enables that on-vehicle parts are displaced downwardly together with cover component, so as to make the side of body bottom section construction suitably
Deformation is to absorb shock loading.
The invention of technical solution 6 is characterized in that, the cover component is by outside portion (such as the embodiment party on the outside of vehicle width direction
The outside portion 120a of the cover component of formula) and vehicle width direction on the outside of inside portion (such as the inside portion of the cover component of embodiment
It 120b) is installed on vehicle body (such as lower part 55 of the lower part 13a of the lower-left stringer of embodiment, left floor frame), as described
Component is allowed in cover displacement, in a manner of bending the cover component downwards, by the width between the outside portion and the inside portion
Degree size (such as width dimensions W1 of the cover component of embodiment) be set to be large in the on-vehicle parts width dimensions (such as
The width dimensions W2 of the canister of embodiment).
As described above, the outside portion of cover component and inside portion are installed on vehicle body.And make the outside portion and inside of cover component
Width dimensions between portion are bigger than the width dimensions of on-vehicle parts.So as to make cover component in the impact inputted from vehicle side
Fully flexure downwards under the action of load.Thus it enables that on-vehicle parts construct body bottom section well to bottom offset
Side is suitably deformed to absorb shock loading.
Invention effect
In accordance with the invention it is possible to cover on-vehicle parts from below by using cover component to improve aerodynamic quality.Separately
Outside, it is formed with cover displacement on cover component and allows component.Cover displacement allows component when having input shock loading from vehicle side,
Allow on-vehicle parts to bottom offset.Thus it enables that from the on-vehicle parts that cover component covers to bottom offset to absorb shock loading.
Detailed description of the invention
Fig. 1 is the bottom view for indicating the body bottom section construction of first embodiment of the present invention.
Fig. 2 is the lower cover and cover structure for indicating to illustrate the body bottom section construction of first embodiment of the present invention with imaginary line
The bottom view of the state of part.
Fig. 3 is the cross-sectional view of the III-III line along Fig. 1 in first embodiment of the present invention.
Fig. 4 is the cross-sectional view shown in the portion the IV amplification by Fig. 3 in first embodiment of the present invention.
Fig. 5 is the decomposition of the state after the cover component for indicating to construct the body bottom section of first embodiment of the present invention decomposes
Perspective view.
Fig. 6 be for illustrate first embodiment of the present invention from vehicle side be input to body bottom section construct impact
Make canister and cover component to the cross-sectional view of the example of bottom offset under the action of load.
Fig. 7 is to illustrate that the absorption of first embodiment of the present invention is input to the impact that body bottom section constructs from vehicle side and carries
The cross-sectional view of the example of lotus.
Fig. 8 is the perspective view for indicating the body bottom section construction of second embodiment of the present invention.
Fig. 9 is the cross-sectional view for indicating the body bottom section construction of third embodiment of the present invention.
Figure 10 is for illustrating that the absorption of third embodiment of the present invention is input to rushing for body bottom section construction from vehicle side
Hit the cross-sectional view of the example of load.
Description of symbols
Ve ... vehicle
10 ... body bottom sections construction
The side of 10a ... body bottom section construction
12 ... floors
The left outside side (outside portion of vehicle) on the floor 12a ...
The right outside portion (outside portion of vehicle) on the floor 12b ...
13,14 ... Zuo You lower stringers
The lower part (vehicle body) of the lower-left 13a ... stringer
21 ... fuel tanks (energy source)
23 ... canisters (on-vehicle parts)
The lower part (vehicle body) of 55 ... left floor frames
65,102 ... lower covers
66,103,120 ... cover component
81 ... cover main bodies
82, component is allowed in 104,121 ... cover displacements
87 ... interior layers of difference portion (at least part of cover component)
88 ... preceding layers of difference portion (at least part of cover component)
89 ... rear layers of difference portion (at least part of cover component)
91 ... engaging portions
105 ... frangible portions
The inside 105a ... frangible portion
The front end 105b ... frangible portion
The rear end 105c ... frangible portion
The outside portion of 120a ... cover component
The inside portion of 120b ... cover component
F1, F2, F5, F6 ... shock loading
The lower surface height dimension of H1 ... lower cover, cover main body
The width dimensions of W1 ... cover component
The width dimensions of W2 ... canister
Specific embodiment
Below based on Detailed description of the invention one embodiment of the present invention.In the accompanying drawings, arrow FR indicates the front of vehicle, arrow
UP indicates the top of vehicle, and arrow LH indicates the left of vehicle.
In addition, the body bottom section construction 10 of embodiment is the substantially symmetrical construction in left side and right side, below
Identical appended drawing reference is marked to each formations of left side and right side, and each formations of left side is carried out specifically
It is bright.
(the 1st embodiment)
As shown in Figure 1 and Figure 2, body bottom section construction 10 includes；Floor 12；The left side on floor 12 is arranged in lower-left stringer 13
Outside portion 12a；The right outside portion 12b on floor 12 is arranged in bottom right stringer 14；Left floor frame 16, setting are vertical in lower-left
The inside of beam 13；And right floor frame 17, the inside of bottom right stringer 14 is set.
In addition, body bottom section construction 10 includes: the crossbeam 18 being erected between lower-left stringer 13 and bottom right stringer 14；Fuel
Case (energy source) 21；Exhaust unit 22；Canister (on-vehicle parts) 23；And cover unit 25.
As shown in Figure 2 and Figure 3, the lower section on floor 12 and the region 26 in vehicle width direction center is arranged in fuel tank 21.Region 26
It is surrounded by left floor frame 16, right floor frame 17 and crossbeam 18 (the specifically central portion 18a of crossbeam 18).That is, fuel
Case 21 is arranged on the inside of the vehicle width direction of left floor frame 16 and on the inside of the vehicle width direction of right floor frame 17.
Exhaust unit 22 includes: the 1st exhaust pipe 27, is extended from the exhaust manifold of engine to vehicle body rear；Silencer
28, it is connected to the 1st exhaust pipe 27；And the 2nd exhaust pipe 29, extend from silencer 28 to vehicle body rear.
1st exhaust pipe 27 extends to silencer 28 by the lower section of right floor frame 17.2nd exhaust pipe 29 is from silencer 28
Extend by the lower direction vehicle body rear of crossbeam 18.
Silencer 28 is arranged in the region 33 near the lower section on floor 12 and bottom right stringer 14.Region 33 is formed in bottom right
Between stringer 14 and right floor frame 17.
Canister 23 is arranged to inhibit the diffusion of the fuel vapo(u)r in fuel tank 21.Canister 23 is as an example
It is configured to, the fuel vapo(u)r in fuel tank 21 is recycled, by the air containing fuel vapo(u)r to the gas handling system of engine
Conveying.
Using canister 23, in a period of engine movement, using the air in the vacuum suction canister 23 of inlet manifold,
Flow into outside air in canister 23.By making outside air pass through the inside of canister 23, to make by the activity in canister 23
The fuel vapo(u)r and Activated carbon separation of charcoal absorption, and the combustion chamber of engine is delivered to burn.
Specifically, canister 23 is arranged in the region 38 near the lower section and lower-left stringer 13 on floor 12.38 shape of region
At between lower-left stringer 13 and left floor frame 16.That is, the configuration of canister 23 (i.e. vehicle width on the left of the vehicle width direction of fuel tank 21
On the outside of direction).
As shown in Figure 4, Figure 5, canister 23 is mounted on lower-left stringer 13 and left floor frame 16 by mounting bracket 41.Tool
For body, mounting bracket 41 includes: the bellying 41a that center bloats upwards；It is arranged on the outside of the vehicle width direction of bellying 41a
An external mounting portion 41b；And mounting portion 41c in one pair on the inside of the vehicle width direction of bellying 41a is set.
One external mounting portion 41b is configured at spaced intervals in vehicle body front-rear direction.Mounting portion 41c is before and after vehicle body in one pair
Direction configures at spaced intervals.
One external mounting portion 41b is mounted on the lower part 13a of lower-left stringer 13 using bolt 43 and nut 44.In addition, a pair of
Interior mounting portion 41c is mounted on the lower part 55 of left floor frame 16 using bolt 46 and nut 47.
Be formed as, by bloating mounting bracket 41 upwards, and the lower surface of mounting bracket 41 made to be recessed upward.
Space 49 is formed in the lower section of mounting bracket 41 as a result, canister 23 is configured in space 49.Configure the canister 23 in space 49
It is installed on mounting bracket 41.
In this state, the Right deviation inclined portion 41d of bellying 41a is located at left 16 side of floor frame.Right deviation inclined portion 41d is formed as
Mounting portion 41c is towards acclivitous skewed on the outside of vehicle width direction out of one pair.
Floor 12 is the plate for being arranged in below car room 51 and being formed floor section.The left side on floor 12 is arranged in lower-left stringer 13
Outside portion (outside portion of vehicle Ve) 12a.The right outside portion (outside portion of vehicle Ve) on floor 12 is arranged in bottom right stringer 14
12b。
The vehicle width direction left-external side on floor 12 is arranged in lower-left stringer 13, and extends along vehicle body front-rear direction.In addition, left
Lower stringer 13 is formed as closed cross-section by inner part 53 and exterior part 54.
As shown in figure 3, the right outside of vehicle width direction on floor 12 is arranged in bottom right stringer 14, and prolong along vehicle body front-rear direction
It stretches.Bottom right stringer 14 is and the substantially symmetrical component of lower-left stringer 13.It is following as a result, that lower-left stringer 13 is illustrated,
Omit the detailed description of bottom right stringer 14.
Return to Fig. 4, Fig. 5, the vehicle width direction Right Inboard of lower-left stringer 13 is arranged in left floor frame 16, and along vehicle body before
Rear direction extends.Left floor frame 16 includes lower part 55, inner sidewall 56, lateral wall 57, inward flange 58 and outward flange 59.
It is big that left floor frame 16 by lower part 55, inner sidewall 56, lateral wall 57, inward flange 58 and outward flange 59 is formed as section
Cause hat shape.Inward flange 58 and outward flange 59 are combined with floor 12.Closed cross-section is formed by left floor frame 16 and floor 12.
As shown in figure 3, right floor frame 17 is and the substantially symmetrical component of left floor frame 16.It is following right as a result,
Left floor frame 16 is illustrated, and omits the detailed description of right floor frame 17.On right floor frame 17 and lower-left stringer 13
Cover unit 25 (also referring to Fig. 1) is installed.
As shown in Figure 1, Figure 3, cover unit 25 includes lower cover 65 and cover component 66.
Lower cover 65 is for example formed by flexible resin material.Lower cover 65 is installed on right floor frame 17 and lower-left
Stringer 13.Specifically, the right side 71 of lower cover 65 is formed along right floor frame 17, the left side 72 of lower cover 65 along
The formation of lower-left stringer 13.In addition, lower cover 65 is formed with opening portion 73 at the position of the lower section of canister 23.
Opening portion 73 has opening inner side portion 73a, open front end 73b and open rearward end portion 73c.By opening inner side portion
73a, open front end 73b and open rearward end portion 73c make opening portion 73 be formed as U-shaped.
The right side 71 of lower cover 65 is installed on right floor frame 17 using screw bolt and nut (not shown) from below.Lower part
The left side 72 of cover 65 is installed on the lower part 13a of lower-left stringer 13 using screw bolt and nut (not shown) from below.It utilizes as a result,
Lower cover 65 covers fuel tank 21, left floor frame 16 and right floor frame 17 etc. from below.
Preceding slit 75 and rear slit 76 are formed in lower cover 65.
As shown in figure 5, preceding slit 75 is rolled towards vehicle front and into vehicle width direction from the forward corner 73d of opening portion 73
Tiltedly extend.Forward corner 73d is the position that opening inner side portion 73a and open front end 73b intersect.
Slit 76 extends from the back angle 73e of opening portion 73 towards vehicle body rear and to inclination on the inside of vehicle width direction afterwards.Afterwards
Corner 73e is the position that opening inner side portion 73a and open rearward end portion 73c intersect.
As shown in Figure 4, Figure 5, cover component 66 is configured at the opening portion 73 of lower cover 65.
Cover component 66 is for example including the cover main body 81 formed by flexible resin material and is arranged in cover main body 81
Cover displacement allow component 82.Cover main body 81 has outside portion 81a, inside portion 81b, front end 81c and rear end 81d.By outer
Cover main body 81 is formed as rectangle by side 81a, inside portion 81b, front end 81c and rear end 81d.Cover main body 81 is in outer side
Position near 81a is formed with bending section 81e.Bending section 81e is bent in a manner of bloating downwards.
Outside portion 81a is mounted on the lower part 13a of lower-left stringer 13 using bolt 85 and nut 86.In inside portion, 81b is with court
Interior layers of difference portion 87 is formed with upwards and in a manner of layer difference shape.Interior layers of difference portion 87 is placed in the opening inner side portion of opening portion 73
The inner surface of 73a.
Cover main body 81 front end 81c upward and in layers of difference portion 88 before being formed in a manner of layer difference shape.Front layer
Poor portion 88 is placed in the inner surface of the open front end 73b of opening portion 73.Cover main body 81 rear end 81d with upward and
Rear layers of difference portion 89 is formed in a manner of layer difference shape.Layers of difference portion 89 is placed in the interior table of the open rearward end portion 73c of opening portion 73 afterwards
Face.
As described above, interior layers of difference portion 87 is placed in the inner surface of opening inner side portion 73a.Before preceding layers of difference portion 88 is placed in opening
The inner surface of end 73b.Layers of difference portion 89 is placed in the inner surface of open rearward end portion 73c afterwards.
That is, cover component 66 is formed so that interior layers of difference portion 87, preceding layers of difference portion 88 and rear layers of difference portion 89, (cover main body 81 is at least
A part) it is be overlapped in the up-down direction with the opening portion 73 of lower cover.The opening portion 73 of lower cover 65 is by 66 envelope of cover component as a result,
It closes.That is, covering canister 23 from below by cover main body 81.
In this state, the lower surface height dimension H1 of lower cover 65 and the lower surface height dimension H1 of cover main body 81 are set
It is identical.
Thereby, it is possible to ensure the air circulation of body bottom section well using lower cover 65 and cover component 66, air is improved
Power performance.
In addition, cover component 66 is constituted seperatedly with lower cover 65.Shock loading is being had input from the side of vehicle Ve as a result,
When F1, cover component 66 can be made not moved down with inhibiting by lower cover 65.
In particular, the bending section 81e of cover main body 81 is bent in a manner of bloating downwards.Thereby, it is possible to make more well
Cover component 66 moves down.As described above, by moving down cover component 66 more well, so as to make canister 23 with
Cover component 66 is displaced downwardly together.
In addition, interior layers of difference portion 87, preceding layers of difference portion 88 and rear layers of difference portion 89 with the opening portion 73 with lower cover in above-below direction
The mode of overlapping configures.Even if as a result, in the case where constituting cover main body 81 (i.e. cover component 66) seperatedly with lower cover 65,
It can be avoided the gap that up and down direction is formed between opening portion 73 and cover component 66.
Thereby, it is possible to inhibit to invade between cover component 66 and lower cover 65 such as snow interior side (i.e. cover component 66 or
The upper side of lower cover 65).
Cover displacement allows component 82 to be formed in the same manner as cover main body 81 by for example flexible resin material, is and canister
23 engaging portions 91 combined.The upper end 91a of engaging portion 91 is installed on the lower part 23a of canister 23, the lower end 91b of engaging portion 91
It is installed on the inner surface of cover main body 81.Thus make the inner surface of cover main body 81 and the lower part 23a knot of canister 23 using engaging portion 91
It closes.
Herein, the outside portion 81a of cover main body 81 is for example installed under lower-left stringer 13 using bolt 85 and nut 86
Portion 13a.Thereby, it is possible to the shock loading F1 from the side vehicle Ve is transferred to cover main body 81 from lower-left stringer 13 well.
Thereby, it is possible to make the promptly deformation downwards of cover component 66.
In addition, making the inner surface of cover main body 81 in conjunction with the lower part 23a of canister 23 using engaging portion 91.Thereby, it is possible to good
It is displaced canister 23 downwardly together with cover component 66.
Moreover, being formed with preceding slit 75 and rear slit 76 in lower cover 65.Thereby, it is possible to the insides using cover main body 81
Portion 81b and interior layers of difference portion 87 keep the opening inner side portion 73a between preceding slit 75 and rear slit 76 in lower cover 65 downward
Deformation.
Allow canister 23 and cover component 66 under the action of the shock loading F1 inputted from the side vehicle Ve to bottom as a result,
It moves.Thereby, it is possible to deform the side 10a of body bottom section construction 10 suitably to absorb shock loading.As a result, it is possible to inhibit to make
For the load of fuel tank 21, fuel tank 21 is avoided to absorb impact load F1.
Next, Fig. 6, Fig. 7 are based on, to utilization when stringer 13 has input shock loading F2 to left down from the side of vehicle Ve
The example of 10 absorption shock loading F2 of body bottom section construction is illustrated.
As shown in (a) of Fig. 6, barrier 95 collides lower-left stringer 13 from the side of vehicle Ve.Shock loading F2 is from barrier
Object 95 is hindered to be input to lower-left stringer 13.
As shown in (b) of Fig. 6, the lateral wall 13b of lower-left stringer 13 is deformed.
After the lateral wall 13b deformation of lower-left stringer 13, the sidesway into vehicle width direction as shown by arrow A of lower-left stringer 13
It is dynamic.That is, the side 10a deformation of body bottom section construction 10.Canister 23 is moved towards the direction arrow A together with lower-left stringer 13 as a result,
It is dynamic.
Since canister 23 is mobile, mounting portion 41c is detached from from bolt 46 (referring to Fig. 4) in one pair.Moreover, because canister 23 moves
Dynamic, the lower part 55 of the Right deviation inclined portion 41d of mounting bracket 41 and left floor frame 16 is interfered.
Right deviation inclined portion 41d is formed as out of one pair mounting portion 41c towards acclivitous skewed on the outside of vehicle width direction.By
This, by the 16 input load F3 of floor frame to the left of the Right deviation inclined portion 41d from mounting bracket 41, thus effect have load F3 to
Lower component F4.
As described above, having the downward component F4 of load F3 by effect, thus (especially the one of mounting bracket 41 of canister 23
The internal side mounting portion 41c) it is pressed under the action of downward component F4 to lower section shown in arrow B.
In addition, the outside portion 81a of cover main body 81 is installed on lower-left stringer 13 using bolt 85 and nut 86 (referring to Fig. 5)
Lower part 13a.Thereby, it is possible to shock loading F2 is transferred to cover main body 81 from lower-left stringer 13 well.Thereby, it is possible to make cover structure
The promptly deformation downwards of part 66.
In addition, the inner surface of cover main body 81 is incorporated into the lower part 23a of canister 23 using engaging portion 91.Thereby, it is possible to good
Ground deforms canister 23 downwardly together with cover component 66.
Moreover, being formed with preceding slit 75 and rear slit 76 in lower cover 65 (referring to Fig. 5).Thereby, it is possible to utilize cover master
The inside portion 81b and interior layers of difference portion 87 of body 81 make in the opening between preceding slit 75 and rear slit 76 in lower cover 65
Side 73a is deformed downwards.
Thereby, it is possible to make canister 23 and cover component 66 as shown by arrow B swimmingly to bottom offset.
As shown in (a) of Fig. 7, lower-left stringer 13 continues as shown by arrow A under the action of shock loading F2 to vehicle width side
Move inward.That is, the side 10a of body bottom section construction 10 continues to deform.Canister 23 and cover component 66 and lower-left stringer as a result,
13 is mobile towards the direction arrow A together.As a result, canister 23 and cover component 66 the lower part 55 of left floor frame 16 pressing force and
Continue as shown by arrow B under the action of the self weight of canister 23 and cover component 66 to bottom offset.
As shown in (b) of Fig. 7, canister 23 and cover component 66 continue to bottom offset as shown by arrow B, so as to make vehicle body
The side 10a of infrastructure 10 is fully deformed under the action of shock loading F2.
As described above, lower-left stringer 13 can be made in the case where not influenced by canister 23 according to body bottom section construction 10
Left floor frame 16 is deformed on the inside of to vehicle width direction.Thereby, it is possible to impact lower-left stringer 13 to fuel tank 21
In the case where suitably deformed on the inside of vehicle width direction.Thus, it is possible to absorb the shock loading for being input to lower-left stringer 13 well
F2。
Next, being illustrated based on Fig. 8 to Figure 10 to the 2nd embodiment and the 3rd embodiment.In addition, implementing the 2nd
Identical appended drawing reference and omission are marked in detail to the same or similar component of the 1st embodiment in mode and the 3rd embodiment
It describes in detail bright.
(the 2nd embodiment)
As shown in figure 8, cover unit 100 includes lower cover 102 and cover component 103.The lower cover 102 and cover of cover unit 100
Component 103 is integrally formed, and cover displacement is formed on the boundary between lower cover 102 and cover component 103 and allows component 104.
It is frangible portion 105 that component 104 is allowed in cover displacement.
Lower cover 102 and the cover main body 81 of the 1st embodiment are identically formed.The cover main body of lower cover 102 is made below
Cover main body 81 for the 1st embodiment is illustrated.
Cover component 103 is to allow component 82 to replace with cover displacement the cover displacement of the 1st embodiment component 104 is allowed to form
, other constructions are identical as the cover component 66 of the 1st embodiment.
It is formed such as the inner surface in cover main body 81 using slit, hole, thin-walled, material as frangible portion 105.
That is, frangible portion 105 and the inner surface of cover main body 81 processes a plurality of slit for example by continuously forming.In addition,
Frangible portion 105 and the inner surface of cover main body 81 processes multiple holes by continuously forming.In addition, frangible portion 105 for example passes through
Thin-walled is processed on boundary between cover main body 81 and lower cover 102 and is formed.In addition, frangible portion 105 is for example covered by changing
The material on the boundary between main body 81 and lower cover 102 and formed.
Frangible portion 105 is formed as U-shaped by inside frangible portion 105a, front end frangible portion 105b and rear end frangible portion 105c.
As described above, by cover displacement allowing that frangible portion 105 is arranged on component 82, so as to make frangible portion 105 exist
It is broken under the action of the shock loading F5 that the side of vehicle Ve inputs.So as to move down cover component 103.As a result,
Canister 23 can be made to be displaced downwardly together with cover component 103, so as to become the side 10a of body bottom section construction 10 suitably
Shape is to absorb shock loading F5.
(the 3rd embodiment)
As shown in figure 9, the outside portion 120a of cover component 120 is installed on lower-left stringer 13, inside portion 120b is installed on leftly
Plate framework 16.Cover component 120 is formed by flexible resin material, is the component to form cover main body.Cover component 120 has cover
Component 121 is allowed in displacement.
Cover displacement is allowed for component 121, by the width between the outside portion 120a and inside portion 120b of cover component 120
Degree size W1 is set as bigger than the width dimensions W2 of canister.
Outside portion 120a is the end on the outside of vehicle width direction.Outside portion 120a in a same manner as in the first embodiment, utilizes bolt
85 and nut 86 (referring to Fig. 5) be installed on the lower part 13a (i.e. vehicle body) of lower-left stringer 13.
Inside portion 120b is the end on the inside of vehicle width direction.Inside portion 120b is installed on a left side using bolt 122 and nut 123
The lower part 55 (i.e. vehicle body) of floor frame 16.
In addition, cover component 120 has outer curvature 120c and inner curve 120d.Outer curvature 120c is formed in outside portion
Position near 120a, is bent in a manner of bloating downwards.Inner curve 120d is formed in the position near the 120b of inside portion, with
The mode bloated downwards is bent.
The width dimensions W1 of cover component 120 is the width dimensions between outside portion 120a and inside portion 120b.Cover component 120
Width dimensions W1 can using cover displacement allow component 121 to be set to be sufficiently more than the width dimensions W2 of canister 23.
As shown in Figure 10, by forming the width dimensions W1 (referring to Fig. 9) of cover component 120 enough to be greater than canister 23,
So as to scratch cover component 120 sufficiently significantly downwards under the action of the shock loading F6 inputted from the side of vehicle Ve
It is bent.
In particular, the outer curvature 120c and inner curve 120d (referring to Fig. 9) of cover component 120 are in a manner of bloating downwards
Bending.Thereby, it is possible to bend cover component 120 sufficiently significantly downwards.
As a result, when making canister 23 to bottom offset, can make canister 23 not by cover component 120 influence well to bottom
It moves.
In this state, the top 23b of canister 23 is located below relative to the lower part 55 of left floor frame 16.As a result, can
It is enough to make lower-left stringer 13 towards being deformed into a left side on the inside of vehicle width direction in the case where the side 10a of vehicle Ve is not influenced by canister 23
Floor frame 16.Thereby, it is possible to not make lower-left stringer 13 suitably to change on the inside of vehicle width direction to fuel tank 21 with impacting
Shape.That is, the shock loading F6 for being input to lower-left stringer 13 can be absorbed well.
As described above, the width dimensions W1 of cover component 120 is set as, shock loading F6 is being had input from the side of vehicle Ve
When, by allow canister 23 to bottom offset in a manner of make cover component 120 downwards bend.
In addition, technical scope of the invention is not limited to above embodiment, it can be in the model for not departing from present subject matter
Enclose interior carry out numerous variations.
For example, instantiating fuel tank 21 as energy source into the 3rd embodiment in the 1st embodiment, but unlimited
Due to this.Such as battery, fuel cell pack (fuel cell stack) etc. are also able to use as energy source.
In addition, instantiating canister 23 as on-vehicle parts into the 3rd embodiment in the 1st embodiment, but unlimited
Due to this.Such as battery, fuel cell pack (fule cell stack) etc. are also able to use as on-vehicle parts.
In addition, in the 1st embodiment into the 3rd embodiment, for being formed down by flexible resin material
The example of portion's cover 65,102 and cover component 66,103,120 is illustrated, and but not limited thereto.As another example, such as
Steel plate bending processing can also be formed to lower cover and/or cover component.
In addition, in the 1st embodiment, for being formed with the example of preceding slit 75 and rear slit 76 in lower cover 65
Son is illustrated, and but not limited thereto.As another example, such as also it can replace preceding slit 75 and rear slit 76, it will
Be formed as thin-walled with preceding slit 75 and the comparable position of rear slit 76 as frangible portion.
It in this case, also can be by making frangible portion break at the inside portion 81b of cover main body 81 and interior layers of difference portion 87
It splits and deforms opening inner side portion 73a downwards.
Claims (6)
1. a kind of body bottom section construction comprising:
The energy source of vehicle；
On-vehicle parts configure in the vehicle width direction of the energy source；And
Cover component covers the on-vehicle parts from below,
The body bottom section is constructed and is characterized in that,
The cover component includes:
Cover main body covers the on-vehicle parts from below；And
Component is allowed in cover displacement, by make the cover main body to bottom offset and allow the on-vehicle parts to bottom offset.
2. body bottom section construction according to claim 1, which is characterized in that
It further include the lower stringer that the outside portion of the vehicle is set and is extended along vehicle body front-rear direction,
The outside portion of the cover main body is installed on the lower stringer,
It is the engaging portion that the on-vehicle parts are incorporated into the cover main body that component is allowed in the cover displacement.
3. body bottom section construction according to claim 1 or 2, which is characterized in that
It further include the lower cover seperated with the cover component of the on-vehicle parts is incorporated into,
The lower surface height dimension of the lower cover is identical as the lower surface height dimension of the cover component.
4. body bottom section construction according to claim 3, which is characterized in that
It is be overlapped in the up-down direction with the lower cover that the cover component is formed as at least part.
5. body bottom section construction according to claim 1, which is characterized in that
It is the frangible portion being arranged in the cover main body that component is allowed in the cover displacement.
6. body bottom section construction according to claim 1, which is characterized in that
Outside portion on the outside of the vehicle width direction of the cover component and the inside portion on the outside of vehicle width direction are installed on vehicle body,
Component is allowed as cover displacement, and the width dimensions between the outside portion and the inside portion are set to than described
The width dimensions of on-vehicle parts are big, so that the cover component is bent downwards.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017115894A JP6555621B2 (en) | 2017-06-13 | 2017-06-13 | Lower body structure |
| JP2017-115894 | 2017-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109080708A true CN109080708A (en) | 2018-12-25 |
| CN109080708B CN109080708B (en) | 2021-04-09 |
Family
ID=64839960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810601143.6A Active CN109080708B (en) | 2017-06-13 | 2018-06-12 | Vehicle body lower structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6555621B2 (en) |
| CN (1) | CN109080708B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7000384B2 (en) * | 2019-07-05 | 2022-01-19 | 本田技研工業株式会社 | undercover |
| JP6903100B2 (en) * | 2019-07-30 | 2021-07-14 | 本田技研工業株式会社 | Canister mounting structure |
| DE102021200626A1 (en) * | 2021-01-25 | 2022-07-28 | Psa Automobiles Sa | Motor vehicle and fuel tank assembly therefor |
| JP2022150708A (en) * | 2021-03-26 | 2022-10-07 | マツダ株式会社 | Lower part structure for electric vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030088687A (en) * | 2002-05-14 | 2003-11-20 | 현대자동차주식회사 | Body-Unity type fuel tank for automobile |
| KR20070103929A (en) * | 2006-04-20 | 2007-10-25 | 현대자동차주식회사 | Structure of installing fuel tank for vehicle |
| EP2492172A1 (en) * | 2011-02-25 | 2012-08-29 | Audi Ag | Fixing a sill to a floor structure of a vehicle |
| CN103009980A (en) * | 2011-09-26 | 2013-04-03 | 富士重工业株式会社 | Battery support structure for vehicle |
| CN103998273A (en) * | 2011-12-15 | 2014-08-20 | 本田技研工业株式会社 | Vehicle body structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349970B (en) * | 2012-06-04 | 2017-09-01 | 本田技研工业株式会社 | Body construction |
| JP6215896B2 (en) * | 2015-10-22 | 2017-10-18 | 本田技研工業株式会社 | Vehicle structure |
-
2017
- 2017-06-13 JP JP2017115894A patent/JP6555621B2/en not_active Expired - Fee Related
-
2018
- 2018-06-12 CN CN201810601143.6A patent/CN109080708B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030088687A (en) * | 2002-05-14 | 2003-11-20 | 현대자동차주식회사 | Body-Unity type fuel tank for automobile |
| KR20070103929A (en) * | 2006-04-20 | 2007-10-25 | 현대자동차주식회사 | Structure of installing fuel tank for vehicle |
| EP2492172A1 (en) * | 2011-02-25 | 2012-08-29 | Audi Ag | Fixing a sill to a floor structure of a vehicle |
| CN103009980A (en) * | 2011-09-26 | 2013-04-03 | 富士重工业株式会社 | Battery support structure for vehicle |
| CN103998273A (en) * | 2011-12-15 | 2014-08-20 | 本田技研工业株式会社 | Vehicle body structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019001231A (en) | 2019-01-10 |
| JP6555621B2 (en) | 2019-08-07 |
| CN109080708B (en) | 2021-04-09 |
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