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CN108928395A - Car body fore part arrangement - Google Patents

Car body fore part arrangement Download PDF

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Publication number
CN108928395A
CN108928395A CN201810463710.6A CN201810463710A CN108928395A CN 108928395 A CN108928395 A CN 108928395A CN 201810463710 A CN201810463710 A CN 201810463710A CN 108928395 A CN108928395 A CN 108928395A
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CN
China
Prior art keywords
upper member
vehicle
front side
vehicle width
car body
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
Application number
CN201810463710.6A
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Chinese (zh)
Other versions
CN108928395B (en
Inventor
堀井勇希
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of CN108928395A publication Critical patent/CN108928395A/en
Application granted granted Critical
Publication of CN108928395B publication Critical patent/CN108928395B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The present invention provides a kind of car body fore part arrangement, can absorb load the car body fore part arrangement is in the case that the space of the intracorporal spatial portion of the frame in rectangular shape is than expanding in the past.Car body fore part arrangement has:The front side vehicle frame (12,12) of pair of right and left extends along vehicle front-rear direction;The upper member (14,14) of pair of right and left is arranged respectively at the outside of the vehicle width direction of each front side vehicle frame (12,12), and extends along vehicle front-rear direction, and each upper member (14) has:The upper member lower part (14b) of vehicle front side is tilted towards the outside of vehicle width direction;And frangible portion (140), the inside of setting in the direction of vehicle width.

Description

Car body fore part arrangement
Technical field
The present invention relates to a kind of car body fore part arrangements of the vehicles such as automobile.
Background technique
For example, in patent document 1, disclose a kind of side bolsters by front baffle and lower clapboard component, upper member and It is the framework of rectangular shape when connecting member is constituted, front is observed.It is for example formed in the inside of the framework of the rectangular shape For storing the spatial portion of the lamps and lanterns such as fog lamp.
Existing technical literature
Patent document
Patent document 1:No. 5470340 bulletins of Japanese Patent No.
Summary of the invention
But in the case where further increasing the space in other parts and expansion space portion in the spatial portion of framework, For example, it is contemplated that making outer lateral bend of the upper member to vehicle width direction.However, the case where being merely bent upper member outward Under, for example, there are the following problems:When inputting head-on crash load to upper member, upper member is deformed or is bent outward, thus It is unable to efficient absorption head-on crash load.
The present invention is made into view of the above problems, though its purpose is to provide one kind rectangular shape the intracorporal sky of frame Between portion space than can also absorb the car body fore part arrangement of load in the case where expanding in the past.
To achieve the goals above, it is a feature of the present invention that having:The front side vehicle frame of pair of right and left, along vehicle Front-rear direction extends;And the upper member of pair of right and left, it is arranged respectively at the outside of the vehicle width direction of each front side vehicle frame, And extend along vehicle front-rear direction, each upper member has:The top end part of vehicle front side, towards vehicle width direction Outside inclination;And frangible portion, the inside of setting in the direction of vehicle width.
Invention effect
In the present invention, even if can get in the space of the intracorporal spatial portion of frame of rectangular shape more in the past than the feelings that expanded Also the car body fore part arrangement of load can be absorbed under condition.
Detailed description of the invention
Fig. 1 is partial structurtes main view that be applicable in the car body fore part arrangement of embodiments of the present invention, vehicle foreside.
(a) of Fig. 2 is comprising the local structure perspective on the right side of vehicle foreside shown in FIG. 1, and (b) of Fig. 2 is Fig. 2 (a) partial enlarged view in the portion A shown in.
Fig. 3 is the partial elevational elevation view on the right side of vehicle foreside shown in FIG. 1.
Fig. 4 is the part for the state that the bond sites for indicating between front side inner part and rear interior part have removed bracket Amplification stereogram.
Fig. 5 is the part for the state that the bond sites for indicating between front interior part and rear interior part are mounted with bracket Amplification stereogram.
Fig. 6 is the side view of the upper member lower part of right upper member.
Fig. 7 is the perspective side elevation view of upper member lower part shown in fig. 6.
(a) of Fig. 8 is the top view of connecting member, and (b) of Fig. 8 is the bottom view of connecting member.
(a) of Fig. 9 is the top view for constituting the front side member of connecting member, and (b) of Fig. 9 is the top view of back side components.
Figure 10 is to indicate to constitute the state that the front side member of connecting member is connected with back side components along vehicle front-rear direction Decomposition side view.
Description of symbols
10 vehicle foresides
12 front side vehicle frames
14 upper members
14b upper member lower part (top end part)
16 connecting members
100 damper shells
108a front interior part
108b rear interior part
110 upper member external members (exterior part)
112 frangible portions
124 gaps
126 brackets
134 water tanks
140 other frangible portions
146 frameworks
Specific embodiment
Next, referring to the appropriate attached drawing embodiment that the present invention will be described in detail.
In addition, in the drawings, " front and back " indicate vehicle front-rear direction, " left and right " expression vehicle width direction (left and right directions), " upper and lower " expression vertical up and down direction.
The vehicle for being applicable in the car body fore part arrangement of embodiments of the present invention has the vehicle being made of monocoque body Body.The center (not shown) that the vehicle body passes through relative to the center of the vehicle width direction from vehicle and extends along vehicle front-rear direction Line and it is in symmetric configuration.
As shown in Figure 1, vehicle foreside 10 is configured to have the front side vehicle frame 12 of pair of right and left, 12, the upper structure of pair of right and left Part 14,14, the connecting member 16 of pair of right and left, 16, the 102 (reference of front baffle 18, damper shell 100 and damper pedestal (a) of Fig. 2).
As shown in (a) of Fig. 2, being used for for pair of right and left is provided with above the rear of vehicle end of each front side vehicle frame 12 Store the damper shell 100,100 of damper (not shown).The use of pair of right and left is equipped on the top of each damper shell 100 In the damper pedestal 102,102 for supporting damper (not shown).In addition, only illustrating right damper shell in (a) of Fig. 2 100 and right damper pedestal 102, the diagram of left damper shell 100 and left damper pedestal 102 is omitted.
Damper shell 100 configures between each upper member 14 and each front side vehicle frame 12 along vehicle width direction.The damper By multiple side flanges portions 103, (in (a) of Fig. 2, only diagram is engaged in the side flanges portion of upper member 14 to shell 100 103) inside side walls of upper member 14 and the outside side wall of front side vehicle frame 12 are individually fixed in.Damper shell 100 and damper Pedestal 102 is formed by the rigid component higher than upper member 14.
As shown in Figure 1, the front side vehicle frame 12,12 of pair of right and left is arranged respectively at the left and right sides along vehicle width direction, and And extend along vehicle front-rear direction.In addition, the rear of vehicle end of each front side vehicle frame 12 is branched into two strands respectively and connects respectively It ties in crossbeam (not shown).
The upper member 14,14 of pair of right and left is arranged respectively on the outside of the vehicle width direction of the front side vehicle frame 12,12 of pair of right and left, And extend along vehicle front-rear direction.Before the rear of vehicle end of each upper member 14 is linked to pair of right and left (not shown) Column.
As shown in (a) of Fig. 2, each upper member 14 is by upper member top 14a and the upper member lower part (top of vehicle front side Portion) 14b composition.Upper member top 14a is extended from front pillar (not shown) towards vehicle front with descending grade.Upper member lower part 14b is extended with descending grade along up and down direction from upper member top 14a towards vehicle lower section.
It is located at the upper member lower part 14b of vehicle front side compared with the 14a of upper member top towards the outer inclination of vehicle width direction Tiltedly.That is, as shown in figure 3, upper member lower part 14b along the outer rim 104 of vehicle width direction and this two side of inner edge 106, respectively with more Tend to the top of upper member lower part 14b and (is deviated with the separating distance of the imaginary outer rim indicated with plumb line V and imaginary inner edge Amount) bigger mode tilts outward.In addition, the tilt quantity of the outer rim 104 and inner edge 106 of upper member lower part 14b outward was both It can be set as mutually the same, also can be set as different from each other.
As shown in (a) of Fig. 2, each upper member 14 (upper member lower part 14b) has the fragility on the inside of setting in the direction of vehicle width Portion 112.The frangible portion 112 is made of notch section 114.
Notch section 114 is in the upper member lower part 14b connecting with upper member top 14a, by upper member inner member 108 The corner cutting of medial flange 116 is formed for substantially L-shaped (referring to (b) of Fig. 2).By cutting upper member inner member The medial flange 118 of 108 medial flange 116, upper member external member (exterior part) 110 is exposed.In addition, in present embodiment In, as frangible portion 112, although exemplifying notch section 114, however, it is not limited to this can use other constructions also to replace.
In the present embodiment, although the notch section 114 as frangible portion 112 is configured the vehicle width direction in upper member 14 Inside and close to damper shell 100 position, but be not restricted to that this.As long as the notch section 114 as frangible portion 112 Inside in the vehicle width direction of upper member 14 and the position between connecting member 16 and damper shell 100, so that it may any Configuration.
For each upper member 14, upper member inner member 108 and upper member external member 110 have closed section, and Flange engages integrally with each other.As shown in figure 4, the upper member top 14a for being located at rear of vehicle has the front side of vehicle front side The rear interior part 108b of inner part 108a and vehicle rear side.In addition, Fig. 4 is indicated from front interior part 108a shown in fig. 5 Bond sites between rear interior part 108b have removed the state of bracket 126.
As shown in figure 4, being formed with substantially in right upper member 14 in the upper end of the rear of vehicle of front interior part 108a The outside notch 120 of rectangular shape.Rectangular shape is formed in the upper end of the vehicle front of rear interior part 108b Outside notch 122.It is formed using the outside notch 120 of front interior part 108a and the outside notch 122 of rear interior part 108b The gap 124 of rectangular shape.In addition, exterior part of the configuration in the outside of front interior part 108a and rear interior part 108b 110 are continuously formed.
The gap 124 is engaged by bracket 126 for linking up front interior part 108a and rear interior part 108b (covering).In other words, gap 124 is arranged in the bond sites between front interior part 108a and rear interior part 108b.
As shown in figure 5, the bracket 126 have sticking patch shape bracket main body 128 and be set to bracket main body 128 top and It is formed with the supporting part 132 of bolt mounting holes 130.The bracket 126 is used to keep water tank 134 (referring to (a) of Fig. 2), water tank 134 Supporting part 132 is installed on by bolt (not shown).
Upper member external member 110, front interior part 108a and bracket 126 by three in one are connect by spot welding etc. respectively It closes.In addition, upper member external member 110, rear interior part 108b and bracket 126 by three in one are connect by spot welding etc. respectively It closes.
As shown in fig. 6, being provided with other frangible portions on the outside of the vehicle width direction of the upper member lower part 14b of right upper member 14 140.Other frangible portions 140 are made of the 142 and the 2nd stiff rib 144 of the 1st stiff rib (bead) for separating specified interval configuration. 1st stiff rib 142 is located at vehicle front and constitutes when being observed by side view for the recess portion of substantially arc-shaped.2nd stiff rib 144 and 1 stiff rib 142 is compared positioned at rear of vehicle and is constituted when being observed by side view for the recess portion of substantially arc-shaped.Such as the perspective side of Fig. 7 Shown in view, the 1st stiff rib 142 is located at the outside of the vehicle width direction of connecting member 16.In addition, the 1st stiff rib 142 is along upper The upper member lower part 14b that lower direction extends, extends in above-below direction.By the way that the 1st stiff rib 142 and the 2nd stiff rib 144 are arranged In the outside of the vehicle width direction of the upper member lower part 14b of right upper member 14, the load of vehicle width direction (left and right directions) can be improved Bearing performance, and reduce vehicle load bearing performance in the front-back direction.Moreover, upper member top 14a is formed as upper and lower structure Two bursts of shapes that part is split to form, inside are engaged in damper shell 100, therefore, can be by vehicle load in the front-back direction Efficiently it is transmitted to front pillar side (not shown).
Fig. 1 is returned to, front baffle 18 is configured in vehicle front end.The front baffle 18 by pair of right and left side bolsters 34, 34, upper spacer component 36 and lower clapboard component 38 are constituted.Front side vehicle of the side bolsters 34,34 of pair of right and left in pair of right and left Position is respectively along the substantially parallel configuration of vertical up and down direction near the top end part of frame 12,12.
In addition, being the framework 146 of rectangular shape when vehicle front is configured with main visual observation.The framework 146 is by even Knot part 16, the vehicle width direction end of lower clapboard component 38, upper member 14 and side bolsters 34 are constituted, wherein the linking part Part 16 is located at upside and extends along vehicle width direction, which is located at downside and extends along vehicle width direction, on this Component 14 is located at the outside of vehicle width direction and extends along vertical up and down direction, which is located at the inside of vehicle width direction And extend along vertical up and down direction.Spatial portion 148 is formed in the inside surrounded by framework 146.The spatial portion 148 for example It is accommodated with the lamps such as fog lamp, sensor etc..
Upper spacer component 36 is erected between the upper end of side bolsters 34,34 of pair of right and left along vehicle width direction.On Partition component 36 is made of the open cross-sections that axis vertical cross-section is substantially U-shaped.Open cross-sections it is opening down.In addition, by The engine with the open and-shut mode for detecting hood (not shown) is for example accommodated in the spatial portion that open cross-sections are formed Harness, the bracket for installing hood locking part (not shown) etc. of cover opening and closing sensor electrical connection.
Lower clapboard component 38 is erected between the lower end of upper member lower part 14b, 14b of pair of right and left along vehicle width direction. Lower clapboard component 38 is located at upper spacer component 36 approximately below in vertical up and down direction.In addition, lower clapboard component 38 compares respectively Side bolsters 34 extend to the two sides of vehicle width direction, and are incorporated into upper member lower part 14,14.
As shown in Figure 1, the left configuration of connecting member 16 is between upper left component 14 and front left side vehicle frame 12.Right connecting member 16 Configuration is between right upper member 14 and forward right side vehicle frame 12.Each connecting member 16 is by the upper member 14,14 of pair of right and left and controls A pair of front side vehicle frame 12,12 is connected to each other along vehicle width direction.Each connecting member 16 is higher than upper member 14 by rigid Component is formed.
As (a) of Fig. 8, (b) of Fig. 8, (a) of Fig. 9, Fig. 9 (b) and Figure 10 shown in, each connecting member 16 is by being located at The front side member 16a of vehicle front and positioned at rear of vehicle back side components 16b constitute.Front side member 16a and back side components 16b Such as it is integrally engaged (in conjunction with) using welding structure (not shown) etc..The intensity of front side member 16a is than back side components 16b's Intensity is high.
In addition, each connecting member 16 makes front side member 16a and the respective upper and lower surface of back side components 16b each other in vehicle It is fixed on front-rear direction.I.e., the upper flange portion 24 of front side member 16a and the upper flange portion 30 of back side components 16b that This engages it integrally in the state of the connection of vehicle front-rear direction, such as through welding mechanism (not shown) etc., also, The lower flange portion 26 of front side member 16a is connect from vehicle front-rear direction each other with the lower flange portion 32 of back side components 16b Under state, such as it is set integrally to engage (referring to Fig. 8) by welding mechanism (not shown) etc..In addition, (a), Fig. 8 in Fig. 8 (b) in, label "×" indicate front side member 16a and back side components 16b engagement junction.
The section orthogonal with its length direction of front side member 16a is formed as hat shape (referring to Fig.1 0).In addition, such as Fig. 9 (a) shown in, front side member 16a by front surface part 20, upper surface part 21, side flange part 22a, 22b, upper flange portion 24, under Portion's flange part 26 (referring to Fig. 8) and lower surface portion 29 (referring to Fig.1 0) are constituted.
It is substantially rectangular shape when front surface part 20 is formed as from vehicle front side, in substantially vertical guide along vehicle Wide direction extends.The side flange part 22a of one side is located on the outside of the vehicle width direction of front surface part 20, and with upper member 14 (on Member lower 14b) with 3 points of connections (engagement).The side flange part 22b of another party is located in the vehicle width direction of front surface part 20 Side, and with front side vehicle frame 12 with 3 points of connections (engagement).Upper surface part 21 and lower surface portion 29 are in substantially vertical up and down direction It is upper facing.
As shown in Figure 10, upper flange portion 24 is formed in the rear of vehicle of upper surface part 21 with the bending of the upper right gradient.Under Portion's flange part 26 is formed in the rear of vehicle of lower surface portion 29 with the bending of the lower-left gradient.It is equipped with edge side by side in upper surface part 21 Vehicle front-rear direction extend multiple seam 27.
As shown in (b) of Fig. 9, Figure 10, back side components 16b includes:Substantially rectangular front surface part 28, with front side member The front surface part 20 of 16a is facing;Upper flange portion 30 is formed in the top of front surface part 28, upper with front side member 16a Portion's flange part 24 is engaged with 3 points;And lower flange portion 32, the lower flange portion 26 with front side member 16a is with 3 points of (ginsengs According to (a) of Fig. 8, (b) of Fig. 8) engagement.In addition, as shown in Figure 10, the upper surface part 21 and lower surface portion 29 of front side member 16a Extend long compared to towards rear of vehicle.The front surface part 28 towards rear of vehicle of back side components 16b is as a result, with to upper right side Inclined state is combined with the front surface part 20 towards vehicle front of front side member 16a.
The vehicle foreside 10 for being applicable in the car body fore part arrangement of present embodiment is substantially constituted as described above, next Illustrate its function and effect.
In the present embodiment, by making the upper member lower part 14b (outer rim 104, inner edge 106) of upper member 14 towards vehicle width The outside in direction tilts, to increase the storage space in the spatial portion 148 of the framework 146 of rectangular shape.For example can as a result, The addition of the parts such as sensor is accommodated in the spatial portion 148 of framework.
In addition, in the present embodiment, in the inside of the vehicle width direction of upper member 14, and in connecting member 16 and damper Position between shell 100 is equipped with frangible portion 112.As a result, in the present embodiment, even if top end part as upper member 14 In the inclined situation in the outside of upper member lower part 14b to vehicle width direction, it can also be absorbed using frangible portion 112 defeated to upper member 14 The impact load entered inhibits the outside lateral bend of upper member 14.In other words, when having input impact load to upper member 14, upper structure Part 14 is easy to deform to the inside of the vehicle width direction with frangible portion 112, is able to suppress the deformation outward of upper member 14.
In the present embodiment, in the inside along vehicle width direction of upper member 14, and compare upper member in rigid Frangible portion 112 (notch section 114) is equipped between 14 high damper shells 100 and connecting member 16.As a result, in present embodiment In, bigger intensity can be generated the rigid frangible portion 112 lower than damper shell 100, connecting member 16 is further Difference.As a result, in the present embodiment, outer lateral bend of the upper member 14 to vehicle width direction can be inhibited by frangible portion 112 (deformation).
In the present embodiment, the upper member lower part 14b in the top end part as upper member 14 is equipped with by other frangible portions 140 the 1st stiff ribs 142 constituted.It as a result, in the present embodiment, can be with when having input impact load to upper member 14 1st stiff rib 142 is starting point, is bent upper member 14 towards rear of vehicle in advance.In addition, by the way that the 1st stiff rib 142 is arranged In the outside along vehicle width direction of upper member 14, it is able to suppress upper member 14 and is deformed towards the outside of vehicle width direction.
In the present embodiment, front interior part 108a and rear interior part 108b utilizes the bracket 126 of coverage gap 124 Link (engagement) securely.As a result, in the present embodiment, when having input offset placed load to upper member 14, before being able to suppress Side inner part 108a and rear interior part 108b is removed from upper member external member 110 together.In addition, the bracket 126 being capable of dual-purpose It is used as the bracket of water tank holding, parts count can be reduced.
In the present embodiment, the outside of the outside notch 120 of front interior part 108a and rear interior part 108b is utilized Notch 122 forms gap 124 between front interior part 108a and rear interior part 108b.Using the gap 124, in this reality It applies in mode, the enlargement of upper member 14 can be prevented.Furthermore it is possible to use bracket 126 inhibits to be led because being provided with gap 124 The reduction of the rigid of cause.Moreover, in the present embodiment, by the upper of the higher damper shell 100 of rigid Square position configures bracket 126, is able to suppress the damage or deformation of the bracket 126 when having input offset placed load.

Claims (5)

1. a kind of car body fore part arrangement, which is characterized in that have:
The front side vehicle frame of pair of right and left extends along vehicle front-rear direction;
The upper member of pair of right and left is arranged respectively at the outside of the vehicle width direction of each front side vehicle frame, and along vehicle Front-rear direction extends,
Each upper member has:The top end part of vehicle front side is tilted towards the outside of vehicle width direction;And frangible portion, Inside in the direction of vehicle width is arranged in it.
2. car body fore part arrangement according to claim 1, which is characterized in that also have:
The connecting member of pair of right and left links the top end part of each front side vehicle frame and each upper member;And
Damper shell, is used for fixed buffer,
The frangible portion is arranged between the damper shell and the connecting member.
3. car body fore part arrangement according to claim 1, which is characterized in that
Other frangible portions are equipped in the top end part of each upper member,
Other described frangible portions are located at the outside of the vehicle width direction of the connecting member.
4. car body fore part arrangement according to any one of claim 1 to 3, which is characterized in that
There is the front interior part and rear interior part linked with exterior part on the top of each upper member,
And the front interior part and the rear interior part are by keeping the bracket of water tank to link.
5. car body fore part arrangement according to claim 4, which is characterized in that
The bracket is configured in the top position of the damper shell,
In the bond sites that the bracket and the front interior part and the rear interior part link, in the front interior part Gap is equipped between the rear interior part.
CN201810463710.6A 2017-05-29 2018-05-15 Vehicle body front structure Active CN108928395B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017105165A JP6535366B2 (en) 2017-05-29 2017-05-29 Front body structure
JP2017-105165 2017-05-29

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CN108928395B CN108928395B (en) 2020-12-04

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CN114590322A (en) * 2020-12-04 2022-06-07 本田技研工业株式会社 Vehicle body front structure

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JP7217414B2 (en) 2018-10-23 2023-02-03 パナソニックIpマネジメント株式会社 refrigerator
JP7177815B2 (en) * 2020-12-04 2022-11-24 本田技研工業株式会社 Body front structure
JP7125971B2 (en) * 2020-12-04 2022-08-25 本田技研工業株式会社 VEHICLE FRONT STRUCTURE AND VEHICLE FRONT MANUFACTURING METHOD

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Publication number Priority date Publication date Assignee Title
CN111746643A (en) * 2019-03-29 2020-10-09 本田技研工业株式会社 Subframe structure
CN111746643B (en) * 2019-03-29 2022-03-11 本田技研工业株式会社 Subframe structure
CN114590322A (en) * 2020-12-04 2022-06-07 本田技研工业株式会社 Vehicle body front structure

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JP6535366B2 (en) 2019-06-26
JP2018199431A (en) 2018-12-20

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