CN109476347A - Car body fore part arrangement - Google Patents
Car body fore part arrangement Download PDFInfo
- Publication number
- CN109476347A CN109476347A CN201780044423.5A CN201780044423A CN109476347A CN 109476347 A CN109476347 A CN 109476347A CN 201780044423 A CN201780044423 A CN 201780044423A CN 109476347 A CN109476347 A CN 109476347A
- Authority
- CN
- China
- Prior art keywords
- damper
- damper shell
- vehicle frame
- car body
- shell
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
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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
Intensity/rigidity of damper shell and damper shell extension is improved using simple construction.Including damper pedestal (12) and damper shell (14), in the vehicle front side of damper shell (14) and damper shell (14) continuous damper shell extension (16), damper shell (14) is formed as being bent in such a way that the antetheca (30) at least with the front surface towards vehicle front is outstanding downward, damper shell extension (16) is formed as being bent in a manner of outstanding upward, there is the S shape cross-section (38) for forming S shape section between continuous damper shell (14) and damper shell extension (16).
Description
Technical field
The present invention relates to the vehicle foreside structures for the damper shell for including damper pedestal and encirclement damper base perimeter
It makes.
Background technique
For example, using two lateral edges on vehicle body front side top Patent Document 1 discloses a kind of car body fore part arrangement
The cover ridge (hood ridge) for the closing cross section construction that vehicle front-rear direction extends, absorbs the load inputted on vehicle front-rear direction
Lotus.
In patent document 1, cover ridge and front side vehicle frame are combined using damper shell (pillar shell) supports.In damper
The vehicle front of shell is continuously provided tyre gaiter (car wheel cover).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 8-20359 bulletin
Summary of the invention
However, in the car body fore part arrangement disclosed in patent document 1, damper shell (pillar shell) and tyre gaiter (vehicle
Wheel cover) boudary portion formed by curved bending section.It, may be in damper as a result, when having input load from damper
The boudary portion of shell and tyre gaiter, that is, bending section occurs stress and concentrates.As a result, there are the strong of damper shell and tyre gaiter
The case where degree/rigidity reduces.
In order to avoid this intensity/rigidity reduces, such as consider setting strengthening part.But setting strengthening part can make
Unsprung weight increases, and is difficult to realize lightweight.
It is a primary object of the present invention to damper shell and damper can be improved using simple construction by providing one kind
Intensity/rigidity car body fore part arrangement of shell extension.
In order to realize the purpose, it is a feature of the present invention that including: damper pedestal, damper is fixed；Damper
Shell surrounds the periphery of the damper pedestal；And damper shell extension, in the vehicle of the damper shell
Front side and the damper shell are continuous, and the damper shell is formed as with the front surface direction at least towards vehicle front
Lower section mode outstanding is bent, and the damper shell extension is formed as being bent in a manner of outstanding upward, continuous
The damper shell and the damper shell extension between have disperse the input load from the damper
S shape section.
The effect of invention
In accordance with the invention it is possible to which damper shell and damper shell extension can be improved using simple construction by obtaining
Intensity/rigidity car body fore part arrangement.
Detailed description of the invention
Fig. 1 is the part omission perspective view for applying the vehicle of the car body fore part arrangement of embodiment of the present invention.
Fig. 2 is that torque arm mounting bracket is dismantled and shown by damper shell and damper shell extension shown in Fig. 1
The amplification stereogram of S shape cross-section out.
Fig. 3 is the longitudinal section view of the III-III line along Fig. 2.
Fig. 4 is the end view drawing of the IV-IV line along Fig. 2.
Fig. 5 is the amplification stereogram for indicating to be equipped with the state of torque arm mounting bracket.
Fig. 6 is the bottom view of the damper shell from the bottom surface side of vehicle.
Fig. 7 is the end view drawing of the VII-VII line along Fig. 6.
Fig. 8 is the side view for indicating the rear end of rear of vehicle of damper shell.
Fig. 9 is the perspective view of Fig. 8 from the tilted direction of vehicle front.
Figure 10 is the perspective view for indicating the bonding state of damper pedestal.
Specific embodiment
Next, referring to the attached drawing appropriate embodiment that the present invention will be described in detail.Also, in the various figures, " front and back " table
Show vehicle front-rear direction, " left and right " indicates vehicle width direction (left and right directions), " upper and lower " to indicate vertical up and down direction.
As shown in Figure 1, vehicle V includes the power device room P and work of receiving power unit (not shown) such as engine
For the car room C of the passenger space of occupant.The car body fore part arrangement 10 of present embodiment is characterized in that configuration in power device room P
The construction on aftermentioned 14 periphery of damper shell of left and right.Also, in Fig. 1, " W " indicates the near front wheel.
As shown in Figure 1, car body fore part arrangement 10 is configured to, comprising: a left side for the damper of fixed suspension fork mechanism (not shown)
Right a pair of damper pedestal 12,12；Surround the pair of right and left damper shell 14,14 of each 12 periphery of damper pedestal；And
The vehicle front side of each damper shell 14 and the continuous pair of right and left damper shell extension 16 of each damper shell 14,
16.Also, left side damper shell extension 16 is not shown in Fig. 1.
Pair of right and left damper pedestal 12,12, damper shell 14,14 and damper shell extension 16,16 are left respectively
The right side is symmetrically constituted.Therefore, in the following description, to damper pedestal 12, the damper shell 14 configured on the right side of vehicle V
And damper shell extension 16 is described in detail, and omits the explanation in left side.
In addition, car body fore part arrangement 10 includes: a pair of of the front side vehicle frame being arranged respectively at left and right sides of the P of power device room
18,18；And configure on the outside of the vehicle width direction of each front side vehicle frame 18 and have the pair of right and left lower member (side of bending section 20
Vehicle frame) 22,22.
In addition, car body fore part arrangement 10 includes the instrument board 24 for separating power device room P and car room C.The instrument board 24 is matched
It sets in the rear of vehicle of left-right pair of front side vehicle frame 18,18, including constituting the instrument board upper member 26 on top and constituting lower part
Instrument board lower member 28.
Front side vehicle frame 18 is the frame part of hollow section construction, in lower section along vehicle front and back compared with lower member 22
To extended (referring to Fig. 7).The front end of front side vehicle frame 18 and front baffle (not shown) link.The rear end of front side vehicle frame 18
Link (referring to Fig.1) with the lower end side of instrument board lower member 28.
Lower member 22 is the frame part for the hollow section construction being extended along vehicle front-rear direction (referring to Fig. 7).Under
Component 22 have by with tend to vehicle front and it is gradually underlying in a manner of curved bending section 20.The front end of lower member 22
Portion and front baffle (not shown) link.The rear end of lower member 22 and front pillar (not shown) link.
As shown in Fig. 2, damper shell 14 includes: antetheca 30, have from damper pedestal 12 towards vehicle front
Front surface；Side wall 32 has from damper pedestal 12 towards the side on the inside of vehicle width direction；And rear wall 33 (reference Fig. 8,
Fig. 9), from damper pedestal 12 towards rear of vehicle.Damper pedestal 12 is weldingly fixed on the top of damper shell 14.Subtract
Shake device pedestal 12 is with joint flange 34 made of bending downward from the periphery of Base body 12a (referring to Fig. 2, Fig. 3).?
The central portion of Base body 12a is formed with the opening portion 12b interted for the protruding portion being arranged on damper head (not shown).
As shown in Fig. 2, in damper shell 14, the upper end 30a of antetheca 30 and the upper end 32a of side wall 32 and damper pedestal
12 joint flange 34 combines.Outer end 30b on the outside of the vehicle width direction of antetheca 30 is equipped with other engagements bent upward
Flange 36.Other joint flanges 36 are in conjunction with the medial surface 22a of the bending section of lower member 22 20, by the lower end 30c of antetheca 30
Lower end 32b with side wall 32 is in conjunction with the outer surface side of front side vehicle frame 18.
As shown in Fig. 2, damper shell extension 16 is respectively and before the vehicle front of the antetheca 30 of damper shell 14
The lower surface 22b of the lower surface, lower member 22 of holding the front end 32c of the lower surface of 30d and the vehicle front of side wall 32 is (referring to figure
6), the outer surface of front side vehicle frame 18 combines.
Damper shell extension 16 connects with damper shell 14, lower member 22 and front side vehicle frame 18 respectively by binder
It closes.Also, such as the junction bonded using binder can also be welded by spot welding.
The antetheca 30 of damper shell 14 Curved in such a way that its front surface towards vehicle front is outstanding downward
At.The front surface of damper shell extension 16 is formed by bending in a manner of outstanding upward.Outside the continuous damper
The S shape cross-section with S shape section (referring to Fig. 4) is formed between the antetheca 30 and damper shell extension 16 of shell 14
38。
As shown in figure 4, S shape cross-section 38 is by the antetheca 30 of damper shell 14 towards being dashed forward to the lower side with section arc-shaped
Convex surface and damper shell extension 16 out is constituted towards oblique upside with section arc-shaped convex combinations thereof outstanding.
Damper shell extension 16 has low one compared with the other faces of damper shell extension 16 due to layer difference
The joint flange 40 of grade.Damper shell extension 16 is with the substantially continuous side each other of the outer surface towards the power device room side P
Formula is combined using the joint flange 40 of low level-one with damper shell 14.
Damper shell 14 combines the rear end 32d of side wall 32 with instrument board lower member 28 (referring to Fig. 8, Fig. 9).In addition,
Damper pedestal 12 combines the outer end 12d on the outside of vehicle width direction with lower member 22, and makes the rear end 12c and instrument of rear of vehicle
Plate upper member 26 combines (referring to Fig.1 0).
As shown in Fig. 2, damper shell 14 has the reinforcement muscle portion 42 formed along S shape section.The reinforcement muscle portion 42 by
One group of transverse stiffener rib 44a, 44b are constituted.The part in the S shape section in one group of transverse stiffener rib 44a, 44b and damper shell 14
It extends roughly in parallel.Also, the reinforcement muscle portion 42 by the outside of the vehicle width direction towards the power device room side P protrusion shape outstanding
At but not limited thereto.For example, it is also possible to by being formed from the power device room side P towards the recess portion that vehicle width direction outside is recessed.
As shown in figure 3, damper shell 14 appearance face bonding across the damper shell 14 and with torque arm install
The reinforcement panel 48 of bracket 46 opposed (reference compared with Fig. 5 by Fig. 3).Reinforce panel 48 to be made of horizontally long cuboid, configure
In the inside upper part of antetheca 30 and side wall 32.The multiple circles being recessed towards 14 side of damper shell are formed on reinforcing panel 48
Shaped recess 50.It is welded using multiple round recess portion 50 with damper shell 14.
As shown in figure 5, torque arm mounting bracket 46 is made of upper torsion pole support 52a and lower torsion pole support 52b.By
Bolt and nut (not shown), the base end part of torque arm 54 are supported in up and down between torsion pole support 52a, 52b.
As shown in figure 3, being configured with next door at the position adjacent with damper pedestal 12 in the hollow portion of lower member 22
(partition) 56.Next door 56 is configured to corresponding with the cross sectional shape of the hollow portion of lower member 22 rectangular-shaped.Next door 56 includes: under
The frame portion 58 that the inner wall of the hollow portion of component 22 combines；And configuration is in the central portion surrounded by frame portion 58 and from 58 direction of frame portion
Vehicle front side is recessed the rectangular-shaped recess portion 60 to be formed.
It is constituted using the vehicle V of the car body fore part arrangement 10 of present embodiment basically according to aforesaid way, below to it
Function and effect are illustrated.
In the present embodiment, the antetheca (front surface) 30 of the damper shell 14 towards vehicle front is to dash forward downward
Mode out is formed by bending.In addition, the front surface of the damper shell extension 16 towards vehicle front is to protrude upward
Mode be formed by bending.Tool is formed between the antetheca 30 and damper shell extension 16 of the continuous damper shell 14
There is the S shape cross-section 38 in S shape section.
As a result, in the present embodiment, by making shell extension outside damper shell 14 and damper towards vehicle front
The front surface area in portion 16 is S shape section, so as to disperse the input load from damper (not shown), properly
The stress as caused by input load is avoided to concentrate.In addition, S shape section is smoother with other usual surfaces and perimeter is poor small,
Therefore there is on-deformable characteristic.As a result, in the present embodiment, even if being formed damper shell 14 by thin plate and being subtracted
In the case where shaking device shell extension 16, it can also ensure that desired enough intensity/rigidity.In addition, in the present embodiment,
It does not need to set up strengthening part etc., can easily improve intensity/rigidity simply to construct, and facilitate lightweight.
In addition, in the present embodiment, by damper shell extension 16 respectively with the antetheca 30 of damper shell 14
The lower surface of the front end 32c of the vehicle front of the lower surface and side wall 32 of the front end 30d of vehicle front, lower member 22 lower surface
The outer surface combination of 22b, front side vehicle frame 18.
As a result, in the present embodiment, conquassation face F will can be utilized (referring to Fig.1 between lower member 22 and front side vehicle frame 18
And the thick dashed line of Fig. 3) connection (suspension), can be directed to the input load from damper (not shown), inhibition lower member 22 and
The mode that front side vehicle frame 18 is acted respectively with opposite phase improves intensity/rigidity.In addition, from engine (not shown) or suspension
Mechanism input load, thus the mode resonance acted respectively with opposite phase with lower member 22 and front side vehicle frame 18.In this implementation
In mode, the case where being transferred in car room C for the vibration and generate sound, be able to suppress with opposite phase movement mode and
Inhibit resonance, transmitting sound can be reduced.
In addition, in the present embodiment, in the portion A of Fig. 2, by the way that the same flange joint surface engaged from bottom surface side is arranged
(flange joint surface of the same race) (referring to Fig. 6), without switching the flange converter section of the flange as joint surface.As a result,
In the present embodiment, compared with the case where being equipped with flange converter section, intensity/rigidity can be further increased.
In addition, in the present embodiment, by damper shell extension 16 using binder respectively with damper shell 14,
Lower member 22 and front side vehicle frame 18 engage.As a result, in the present embodiment, it can be successively formed joint surface, further mentioned
High bond strength/rigidity.
In addition, in the present embodiment, engagement of the damper shell extension 16 with low level-one compared with other faces is convex
Edge 40, and combined using the joint flange 40 of the low level-one with damper shell 14.As a result, in the present embodiment, can make
The boundary face of damper shell 14 and damper shell extension 16 towards vehicle front becomes smooth face.As a result,
In present embodiment, it is unlikely to deform and can be improved intensity/rigidity.
In addition, in the present embodiment, by the rear end 32d of the side wall 32 of damper shell 14 and 28 knot of instrument board lower member
It closes.Moreover, the outer end 12d on the outside of the vehicle width direction of damper pedestal 12 is combined with lower member 22, and by damper pedestal 12
The rear end 12c of rear of vehicle combined with instrument board upper member 26.As a result, in the present embodiment, it can be improved supporting and fixing
The supporting rigidity of the damper pedestal 12 of damper (not shown).
In addition, in the present embodiment, being formed in damper shell 14 along S shape section and reinforcing muscle portion 42.As a result, at this
In embodiment, the supporting rigidity of damper pedestal 12 can be improved, and enhance intensity/rigidity based on S shape cross-section 38
Improvement effect.
In addition, in the present embodiment, damper shell 14 appearance face bonding across damper shell 14 and with torsion
The opposed reinforcement panel 48 of power bar mounting bracket 46.As a result, in the present embodiment, it can reduce and be equipped on power device room P
Power unit (such as engine) vibration.
In addition, in the present embodiment, in the hollow portion of the lower member 22 adjacent with damper pedestal 12 configured with every
Wall (partition) 56.As a result, in the present embodiment, the damper of the fixed damper (not shown) of support can further be improved
The supporting rigidity of pedestal 12.
As described above, in the present embodiment, can obtain can be improved using simple construction damper shell 14 and
Intensity/rigidity car body fore part arrangement 10 of damper shell extension 16.
Description of symbols
10 car body fore part arrangements
12 damper pedestals
12a Base body
12c (damper pedestal) rear end
12d (damper pedestal) outer end
14 damper shells
16 damper shell extensions
18 front side vehicle frames
20 bending sections
22 lower members (side vehicle frame)
22a (lower member) medial surface
22b (lower member) lower surface
24 instrument boards
26 instrument board upper members
28 instrument board lower members
30 antethecas
30a (antetheca) upper end
30b (antetheca) outer end
30c (antetheca) lower end
30d (antetheca) front end
32 side walls
32a (side wall) upper end
32b (side wall) lower end
32c (side wall) front end
32d (side wall) rear end
34 joint flanges
36 other joint flanges
38 S shape cross-sections
The joint flange of 40 low level-ones
42 reinforce muscle portion
46 torque arm mounting brackets
48 reinforce panel
56 next doors
V vehicle
P power device room
C car room
W the near front wheel
F is crushed face
Claims (according to the 19th article of modification of treaty)
A kind of (1. after modification) car body fore part arrangement characterized by comprising
Damper pedestal fixes damper；
Damper shell surrounds the periphery of the damper pedestal；And
Damper shell extension, it is continuous in the vehicle front side of the damper shell and the damper shell,
The damper shell is formed as being bent in such a way that the front surface at least towards vehicle front is outstanding downward,
The damper shell extension is formed as being bent in a manner of outstanding upward,
Having between the continuous damper shell and the damper shell extension makes from the defeated of the damper
Enter the S shape section of load dispersion.
2. car body fore part arrangement according to claim 1 characterized by comprising
Front side vehicle frame extends along vehicle front-rear direction；And
Side vehicle frame configures on the outside of the vehicle width direction of the front side vehicle frame, has bending section,
The damper pedestal have from the periphery of Base body bend downward made of joint flange,
The damper shell has the front surface towards vehicle front and the side towards vehicle width direction,
The damper shell, will at least by the upper end of the upper end of the front surface and the side in conjunction with the joint flange
In the described curved of other joint flanges that the outer end of the vehicle width direction of the front surface is bent upward and the side vehicle frame
The medial surface of pars convoluta combines, by the outer surface side knot of the lower end of the lower end of the front surface and the side and the front side vehicle frame
It closes,
The damper shell extension respectively with the lower surface of the front end of the front surface of the damper shell and described
The outer surface combination of the lower surface of the front end of side, the lower surface of the side vehicle frame, the front side vehicle frame.
3. car body fore part arrangement according to claim 2, which is characterized in that
The damper shell extension is by binder and the damper shell, the side vehicle frame and the front side vehicle frame
Engagement.
4. car body fore part arrangement according to claim 2, which is characterized in that
The damper shell extension has the joint flange of the low level-one compared with other faces,
The damper shell extension in such a way that outer surface is substantially continuous each other using the low level-one joint flange with
The damper shell combines.
5. car body fore part arrangement according to claim 2, which is characterized in that
With the instrument board configured in the rear of vehicle of the front side vehicle frame,
The instrument board includes the instrument board upper member and the instrument board lower member of composition lower part for constituting top,
The rear end of the side of the damper shell in conjunction with the instrument board lower member,
Outer end on the outside of the vehicle width direction of the damper pedestal is in conjunction with the side vehicle frame, and the vehicle of the damper pedestal
The rear end at rear is in conjunction with the instrument board upper member.
6. car body fore part arrangement according to claim 1, which is characterized in that
The damper shell has the reinforcement muscle portion formed along S shape section.
7. car body fore part arrangement according to claim 1, which is characterized in that
The damper shell configured with reinforce panel, the reinforcement panel across the damper shell and with torque arm mounting bracket
Frame is opposed.
8. car body fore part arrangement according to claim 2, which is characterized in that
The side vehicle frame has configuration in the next door at the position adjacent with the damper pedestal.
Illustrate or states (according to the 19th article of modification of treaty)
The 0033rd section of specification of record when claim 1 is based on application, is limited S shape section.
Claims (8)
1. a kind of car body fore part arrangement characterized by comprising
Damper pedestal fixes damper；
Damper shell surrounds the periphery of the damper pedestal；And
Damper shell extension, it is continuous in the vehicle front side of the damper shell and the damper shell,
The damper shell is formed as being bent in such a way that the front surface at least towards vehicle front is outstanding downward,
The damper shell extension is formed as being bent in a manner of outstanding upward,
There is S shape section between the continuous damper shell and the damper shell extension.
2. car body fore part arrangement according to claim 1 characterized by comprising
Front side vehicle frame extends along vehicle front-rear direction；And
Side vehicle frame configures on the outside of the vehicle width direction of the front side vehicle frame, has bending section,
The damper pedestal have from the periphery of Base body bend downward made of joint flange,
The damper shell has the front surface towards vehicle front and the side towards vehicle width direction,
The damper shell, will at least by the upper end of the upper end of the front surface and the side in conjunction with the joint flange
In the described curved of other joint flanges that the outer end of the vehicle width direction of the front surface is bent upward and the side vehicle frame
The medial surface of pars convoluta combines, by the outer surface side knot of the lower end of the lower end of the front surface and the side and the front side vehicle frame
It closes,
The damper shell extension respectively with the lower surface of the front end of the front surface of the damper shell and described
The outer surface combination of the lower surface of the front end of side, the lower surface of the side vehicle frame, the front side vehicle frame.
3. car body fore part arrangement according to claim 2, which is characterized in that
The damper shell extension is by binder and the damper shell, the side vehicle frame and the front side vehicle frame
Engagement.
4. car body fore part arrangement according to claim 2, which is characterized in that
The damper shell extension has the joint flange of the low level-one compared with other faces,
The damper shell extension in such a way that outer surface is substantially continuous each other using the low level-one joint flange with
The damper shell combines.
5. car body fore part arrangement according to claim 2, which is characterized in that
With the instrument board configured in the rear of vehicle of the front side vehicle frame,
The instrument board includes the instrument board upper member and the instrument board lower member of composition lower part for constituting top,
The rear end of the side of the damper shell in conjunction with the instrument board lower member,
Outer end on the outside of the vehicle width direction of the damper pedestal is in conjunction with the side vehicle frame, and the vehicle of the damper pedestal
The rear end at rear is in conjunction with the instrument board upper member.
6. car body fore part arrangement according to claim 1, which is characterized in that
The damper shell has the reinforcement muscle portion formed along S shape section.
7. car body fore part arrangement according to claim 1, which is characterized in that
The damper shell configured with reinforce panel, the reinforcement panel across the damper shell and with torque arm mounting bracket
Frame is opposed.
8. car body fore part arrangement according to claim 2, which is characterized in that
The side vehicle frame has configuration in the next door at the position adjacent with the damper pedestal.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016143112 | 2016-07-21 | ||
| JP2016-143112 | 2016-07-21 | ||
| PCT/JP2017/025127 WO2018016368A1 (en) | 2016-07-21 | 2017-07-10 | Vehicle chassis front section structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109476347A true CN109476347A (en) | 2019-03-15 |
Family
ID=60993111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780044423.5A Pending CN109476347A (en) | 2016-07-21 | 2017-07-10 | Car body fore part arrangement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109476347A (en) |
| WO (1) | WO2018016368A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107885A (en) * | 2021-03-17 | 2022-09-27 | 本田技研工业株式会社 | Vehicle body front structure |
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| JPH08310445A (en) * | 1995-05-17 | 1996-11-26 | Nissan Motor Co Ltd | Body front structure of automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115107885A (en) * | 2021-03-17 | 2022-09-27 | 本田技研工业株式会社 | Vehicle body front structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018016368A1 (en) | 2018-01-25 |
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Application publication date: 20190315 |