CN107031736A - Vehicle body front structure - Google Patents
Vehicle body front structure Download PDFInfo
- Publication number
- CN107031736A CN107031736A CN201710001476.0A CN201710001476A CN107031736A CN 107031736 A CN107031736 A CN 107031736A CN 201710001476 A CN201710001476 A CN 201710001476A CN 107031736 A CN107031736 A CN 107031736A
- Authority
- CN
- China
- Prior art keywords
- shock absorber
- absorber bearing
- damper
- instrument board
- vehicle 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
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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
-
- 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
- B62D25/088—Details of structures as upper supports for springs or dampers
Abstract
The vehicle of the vehicle body front structure provided with the present invention possesses：A pair of damper housings (10)；Shock absorber bearing (11), it is installed on the top of each damper housing (10), is fixed with damper；With the instrument board parts such as crossbeam (14), it is configured at the rear portion that power carries room, and the corresponding shock absorber bearing (11) of left and right is fixed in the edge of left and right.Refractory slab portion (11-b) is fixed in the edge of the left and right of instrument board parts such as crossbeam (14), and the position in the refractory slab portion (11-b) is less than the shock absorber bearing upper wall (11-a) of shock absorber bearing 11.Therefore, it is possible to reduce manufacturing cost, and the intensity of the fixed part of instrument board parts can be improved.
Description
Technical field
The present invention relates to a kind of vehicle body front structure.
Background technology
The left and right sides of room is carried in the power of the engine room of vehicle etc., the damping for housing draft hitch is configured with
A pair of damper housings of device.On the top of damper housing, the shock absorber bearing on the top for supporting each damper is installed,
Shock absorber bearing in left and right is bonded to configuration and the instrument board parts such as the instrument board upper plate at rear portion of room is carried in power.
When vehicle is travelled, larger traveling load applies to the damping of the left and right of vehicle via the damper of draft hitch
Device seat.Therefore, it is proposed to a kind of technical scheme of vehicle body front structure, wherein, in order to improve the supporting rigidity on damper top,
Each shock absorber bearing in left and right is provided with other strengthening parts (for example, referring to patent document 1).
In vehicle body front structure described in patent document 1, the upper table of the overlapping shock absorber bearing for being installed on left and right of strengthening part
Face, and the strengthening part is along the circumferential direction discretely configured with 6 bulges each other in outer peripheral part.Three are configured at rib
The damper of the periphery edge of part and non-conterminous bulge as the upper end for supporting damper jointly with shock absorber bearing is fixed
Portion, remaining three bulges turn into the overhead panel fixed part mutually fixed with the end of instrument board parts.
Prior art literature
Patent document
Patent document 1：Japanese invention Patent Publication No 2013-173485
The content of the invention
But in the vehicle body front structure described in patent document 1, due to other must be installed in each shock absorber bearing of left and right
Strengthening part, therefore amount of parts can be increased, and make complicated, the reason for easily becoming increase vehicle manufacture cost.
It is used as solution, it may be considered that other strengthening parts are not installed in shock absorber bearing, but increase damper plate
Wall thickness.But if it does, the damper fixed part and wall thickness that can be adjacent to bear to travel load in continuous plane are relatively thin
The overhead panel fixed part for being fixed with instrument board parts, may cause from damper apply traveling load triggered answer
Power consumingly acts on overhead panel fixed part.
Therefore, it is an object of the present invention to provide a kind of vehicle body front structure, can reduce manufacturing cost, and can improve
The intensity of the fixed part of instrument board parts.
To reach above-mentioned purpose, vehicle body front structure of the invention is configured to,
Possess：
A pair of damper housings (for example, damper housing 10 of embodiment), its constitute vehicle power carry room (for example,
The engine room 2 of embodiment) left and right side wall, house draft hitch damper；
Shock absorber bearing (for example, shock absorber bearing 11 of embodiment), it is installed on the top of each damper housing, fixed institute
State damper；With
Instrument board parts (for example, instrument board upper plate 12 of embodiment, crossbeam 14), it is configured at the power and carries room
Rear portion, and corresponding or so the shock absorber bearing is fixed in the edge of its left and right,
The shock absorber bearing possesses：
Shock absorber bearing upper wall (for example, shock absorber bearing upper wall 11-a of embodiment), it has damper fixed part (for example, real
Apply the fastener hole 15 of mode)；
Refractory slab portion (for example, refractory slab portion 11-b of embodiment), it is arranged to the periphery from the shock absorber bearing upper wall with step-like
Bending, position is less than the shock absorber bearing upper wall；With
Side of sidewall portion (for example, side of sidewall portion 11-c of embodiment), it bends downwards from the outer rim in the refractory slab portion, subtracted with described
The top of shake device housing is fixed,
The refractory slab portion of the corresponding shock absorber bearing of left and right is fixed in the edge of the left and right of the instrument board parts.
Now, due to the edge in the left and right of refractory slab portion fixer dash board parts, and the refractory slab portion is formed as from damping
The periphery edge of device seat upper wall is located at lower position with step sigmoid, therefore, when the traveling load of vehicle applies to damping
During device seat upper wall, the load is buffered by the step part between shock absorber bearing upper wall and refractory slab portion, it is difficult to be transferred directly to instrument
The fixed part of plate parts.Therefore, even if constituting shock absorber bearing by single tabular parts, it is also difficult on shock absorber bearing
The fixed part of instrument board parts acts on strong stress.
The vehicle body front structure of the present invention can possess：
Corner assembly (for example, corner assembly 19 of embodiment), it connects the instrument board parts and the damper housing；With
Connecting bracket (for example, connecting bracket 20 of embodiment), it is fixed in the refractory slab portion of the shock absorber bearing and institute
The different position of the fixed position of instrument board parts is stated,
The corner assembly is fixed on the connecting bracket.
Now, instrument board parts are also supported on damper housing by corner assembly.Further, since being connected to instrument board parts
Corner assembly portions different from the fixed position of instrument board parts in the refractory slab portion of shock absorber bearing are fixed on by connecting bracket
Position, therefore the traveling load applied from damper to shock absorber bearing can be transferred to via multiple positions in the refractory slab portion of shock absorber bearing
Instrument board parts side.Therefore, stress is more difficult to concentrate on the fixed part of the instrument board parts on shock absorber bearing.
The vehicle body front structure of the present invention is configured to,
The side of sidewall portion of the shock absorber bearing is engaged in the medial surface of the damper housing,
Being provided with the damper housing makes the side of sidewall portion of the shock absorber bearing to the notch part exposed outside (for example, real
Apply the notch part 21 of mode),
The corner assembly has junction surface (for example, junction surface 22 of embodiment), and the junction surface is engaged via the notch part
In to the side of sidewall portion exposed outside.
Now, because the junction surface of corner assembly is engaged in the side of sidewall portion of shock absorber bearing by the notch part of damper housing, therefore
Corner assembly need not be made to be overlapped into three layers relative to damper housing and shock absorber bearing and be securable to shock absorber bearing.Therefore, even if
The wall thickness of shock absorber bearing is designed to thicker, also corner assembly with higher-strength can be welded in shock absorber bearing.
The vehicle body front structure of the present invention is configured to,
The instrument board parts possess：
Instrument board upper plate (for example, instrument board upper plate 12 of embodiment), it covers the rear upper that the power carries room；With
Lower side beam part (for example, crossbeam 14 of embodiment), it is engaged in the instrument board upper plate, with the instrument board upper plate
Collectively form the closed cross-section portion upwardly extended in vehicle body right and left.
Now, the shock absorber bearing of left and right has been connected by instrument board upper plate with the closed cross-section portion that lower side beam part is constituted
Come, can be with the top of the damper of higher non-yielding prop or so.
The vehicle body front structure of the present invention is configured to,
Possess：
Left-right pair of front side frame (for example, front side frame 4 of embodiment), it is configured at the overall width direction of each damper housing
The lower section of inner side；With
Housing strengthening part (for example, housing strengthening part 18 of embodiment), it is engaged in the side of each damper housing
Face, closed cross-section portion substantially along the vertical direction is collectively formed with the damper housing,
The closed cross-section portion for the left and right being made up of the housing strengthening part and the damper housing, and by the instrument board
The closed cross-section portion that upper plate and the lower side beam part are constituted, is collectively formed the front side frame of left and right is articulate
Framework.
Now, the closed cross-section portion for the left and right that housing strengthening part is constituted with damper housing, instrument is engaged in upper side
The closed cross-section portion that plate upper plate is constituted with lower side beam part, and it is engaged in the front side frame of left and right in lower side.Accordingly, it is capable to
Enough by combinations thereof body, the rigidity before and after vehicle body is improved.
The vehicle body front structure of the present invention is configured to,
The thickness of slab of the shock absorber bearing is more than 2 times of the thickness of slab of the damper housing.
Now, it need not only be used for the rigid strengthening part for improving shock absorber bearing, and electroplating processes need not be implemented
Rigidity reduction caused by suppression is got rusty.
According to the present invention, due to the edge in the left and right of refractory slab portion fixer dash board parts, and the refractory slab portion is from damping
The periphery edge of device seat upper wall is located at lower position with step sigmoid, therefore, even if being made up of single tabular parts
Shock absorber bearing, can also suppress to travel strong stress concentration that load etc. triggered in the instrument board parts on shock absorber bearing
Fixed part.Therefore, it is proposed, according to the invention, manufacturing cost can be reduced, moreover it is possible to improve the intensity of the fixed part of instrument board parts.
Brief description of the drawings
Fig. 1 is the front view in the anterior side skeleton portion of the vehicle of an embodiment of the invention.
Fig. 2 is the stereogram in the anterior side skeleton portion of the vehicle of an embodiment of the invention.
Fig. 3 is the stereogram of a part for the vehicle along Fig. 2 III-III line cutting an embodiment of the invention.
Fig. 4 is the stereogram in the anterior side skeleton portion of the vehicle of an embodiment of the invention.
Fig. 5 is the stereogram in the anterior side skeleton portion of the vehicle of an embodiment of the invention.
Fig. 6 is the stereogram of a part for the vehicle along Fig. 2 VI-VI line cutting an embodiment of the invention.
Embodiment
Below, referring to the drawings, an embodiment of the invention is illustrated.
Fig. 1 is the figure in the skeleton portion of the toe lateral of the vehicle 1 of embodiment from vehicle front side, and Fig. 2 is from right oblique upper
Observe the figure in the skeleton portion of the toe lateral of vehicle 1.
The expression of reference 2 in figure is configured at the engine room in the front in compartment, and engine room is one that power carries room
Embodiment.In addition, when using motor as power source, the region is motor room.Overall width side in the bottom of engine room 2
To both sides, the front side frame 4 of oriented vehicle body fore-and-aft direction extension is configured.
The rearward end of the front side frame 4 of left and right preceding Floor-board frame 6 (reference picture 2) exterior region, and lower instrument board and crossbeam 5 combination
Body (reference picture 2) is engaged, wherein, the combination of lower instrument board and crossbeam 5 is formed as, and crossbeam 5 is combined with the top of lower instrument board
Into the closed cross-section extended along overall width direction, and connect the front column (not shown) of left and right, lower section of the preceding Floor-board frame 6 in compartment
Extend to vehicle body fore-and-aft direction.
In addition, the overall width direction both sides on the top of engine room 2, are connected with upper component 9, the upper component 9 is from a left side
Right front column is bent to the lower front of vehicle body to be extended.The leading section of each upper component 9, which is bent, extends to front side frame 4
The vicinity of leading section.Each upper component 9 of left and right is configured at each front side frame 4 relative to left and right to overall width direction lateral offset
Position.The leading section of each upper component 9 is engaged in the leading section of front side frame 4 by connection member 7.
Lateral parts in the portion rearward of each upper component 9 of left and right, are provided with damper housing 10, the damper housing
The top of 10 damper (Shock absorber) for housing forward suspension device (not shown).Damper housing 10 is by pressing
The metallic plate of power shaping is constituted, and is surrounded jointly around damper with the side wall on the inside of the overall width direction with upper component 9
Side wall 10a.The upper end of damper housing 10 is open upward, and the upper end for supporting damper is provided with the opening portion
The shock absorber bearing 11 in portion.The upper end of damper the mode such as is fastened by bolts and is fixed on corresponding shock absorber bearing 11.
The lower edge of the side wall 10a of damper housing 10 overall width direction inside region, is tilted to overall width direction inner side, its
Bottom is engaged in the outer lateral side of the corresponding front side frame 4 of left and right.Moreover, the reference 8 in figure represents wheel cover supporting structure
Part, the wheel cover supporting member is on the outside of the side wall being set up on the inside of the overall width direction of upper component 9 and the overall width direction of front side frame 4
Side wall in the state of, be engaged in the exterior region of the lower side of damper housing 10.It is provided with and does not scheme in wheel cover supporting member 8
The front wheel housing shown.
Damper housing 10 constitutes a part for the side wall of the left and right of engine room 2 with wheel cover supporting member 8.
In addition, in the rear end upper lateral part of engine room 2, instrument board upper plate 12 is configured with, the two ends of the instrument board upper plate 12
Portion is connected to the root of the upper component 9 of left and right and the corresponding shock absorber bearing 11 of left and right.Instrument board upper plate 12 is in engine room 2
Rear end side top to overall width direction extend, portion's upper end side is provided with cowl upper (cowl top panel) behind
13.In this embodiment, instrument board upper plate 12 collectively forms instrument board parts with crossbeam 14 described later.
Fig. 3 is the figure in the skeleton portion of the vehicle 1 of III-III line cutting along Fig. 2 from right front upper side, and Fig. 4 is
Dismantled from the rear upper of right side the left side after instrument board upper plate 12 and crossbeam 14 the part of damper housing 10 figure.This
Outside, Fig. 5 is the figure of the part of damper housing 10 in the left side after parts thereof of being dismantled from the front upper on right side, Fig. 6
For from front side along Fig. 2 VI-VI line cutting vehicle 1 skeleton portion figure.
Metallic plate of the shock absorber bearing 11 by thickness equivalent to 2~3 times or so (for example, the 4mm) of damper housing 10 is constituted, tool
It is standby：Shock absorber bearing upper wall 11-a, it has for fastening the fastener hole 15 of the upper end of damper by bolt, and (damper is fixed
Portion)；Refractory slab portion 11-b, is arranged to the periphery from shock absorber bearing upper wall 11-a with step sigmoid, and position is less than damper
Seat upper wall 11-a；With side of sidewall portion 11-c, it bends downwards from refractory slab portion 11-b outer rim, embedded damper housing 10
Upper end and by being welded and fixed.
Shock absorber bearing upper wall 11-a has the opening 16 of the protuberance insertion for being arranged at the top of damper, is opened at it
Mode around mouth 16 along the circumferential direction at equidistant intervals is configured with damper fixed part i.e. 3 fastener hole 15.In opening 16
Peripheral part be provided projectingly shallower cylindric reinforcement flange 17.In shock absorber bearing upper wall 11-a periphery edge, along circle
It is for substantially multiple convex portions of arc-shaped and recessed to be substantially round to radially inner side that circumferential direction is disposed adjacent oriented radial outside bulging
Multiple recesses of arcuation.Refractory slab portion 11-b connects via the wall 11-d that continues for the peripheral part for being arranged at shock absorber bearing upper wall 11-a
Continue and formed.Shock absorber bearing upper wall 11-a and refractory slab portion 11-b upper surface is shaped generally as level, and refractory slab portion 11-b's is upper
The position on surface is less than shock absorber bearing upper wall 11-a upper surface.
Instrument board upper plate 12 is made up of metallic plate pressure forming, as shown in figure 3, the exterior region of instrument board upper plate 12
, other regions in addition to the both ends of left and right, have：Bottom wall 12a；Longitudinal wall 12b, its from bottom wall 12a leading section to
Top is erected；With upper wall 12c, it is bent into approximate right angle from longitudinal wall 12b upper end and extended substantially horizontally forwards.The bottom of at
The lower surface of wall 12a lower surface and upper wall 12c exterior region is welded with crossbeam 14, and the crossbeam 14 is approximately along overall width direction
Extension, is made up of metallic plate.Crossbeam 14 has：Bottom wall 14a；With longitudinal wall 14b, it is erected upward from bottom wall 14a leading section.
Being extended respectively in bottom wall 14a rearward end and longitudinal wall 14b upper end has joint flange 14c, 14d.The bottom wall of crossbeam 14
The joint flange 14d of the joint flange 14c and longitudinal wall 14b of 14a rearward end upper end, which is respectively welded, to be fixed on instrument board
The bottom wall 12a and upper wall 12c of plate 12.
The exterior region of crossbeam 14 and instrument board upper plate 12 collectively forms the closed cross-section portion upwardly extended in vehicle body right and left.This reality
Apply in mode, crossbeam 14 constitutes lower side beam part.
In addition, the lateral surface in the side wall 10a of each damper housing 10 region maximum to bulging on the inside of overall width direction
(face close to the inner side of engine room 2), is welded with substantially vertically extending housing strengthening part 18.Housing is strengthened
The horizontal cross-section of part 18 is formed as eaves hat, collectively forms and substantially prolongs along the vertical direction with the side wall 10a of damper housing 10
The closed cross-section portion stretched.In addition, as shown in figure 4, on the top of housing strengthening part 18, overlap and being welded with section in big
Cause the corner assembly 19 of eaves hat.
As shown in figure 4, the body tail region of the side wall in damper housing 10, is bonded to connecting bracket 20, the connection
The lower surface of the side end of the left and right of the connection damper of bracket 20 housing 10 and instrument board upper plate 12.In the upper limb of connecting bracket 20
Portion, is formed with joint flange 20-f1 and joint flange 20-f2, wherein：Joint flange 20-f1 to vehicle front lateral bend,
Its lower surface is fixedly welded on the refractory slab portion 11-b of shock absorber bearing 11 vehicle body rear side region 11-br；Joint flange 20-
F2 lateral bends into overall width direction, its inner surface side is fixedly welded on the one of the joint flange 19-f1 of the toe lateral of corner assembly 19
Part.
In addition, being the ora terminalis of the left and right of crossbeam 14 in instrument board parts as shown in Fig. 2, Fig. 3, Fig. 6, being extended has
The joint flange 14e of general planar.The joint flange 14e of the ora terminalis of the left and right of crossbeam 14 is overlapped in the damper of corresponding left and right
The refractory slab portion 11-b of seat 11 vehicle body inside region 11-bs upper surface, and refractory slab portion is fixedly welded in this condition
11-b.That is, the ora terminalis of the left and right of crossbeam 14 in the shock absorber bearing 11 of left and right, relative to shock absorber bearing upper wall 11-a be in platform
Position after scalariform decline, is fixedly welded on shock absorber bearing 11.
Herein, as shown in fig. 6, being fixedly welded on the corner assembly 19 on the top of housing strengthening part 18, be formed as in main view
It is in generally L-shaped in figure, the L-shaped has upper extension 19A and side extension 19B.As shown in Fig. 4, Fig. 6, top is prolonged
Extending portion 19A joint flange 19-f1,19-f2 is fixedly welded on the side wall 10a of damper housing 10 lateral surface.In addition, such as
Shown in Fig. 3, Fig. 5, Fig. 6, the part in the side wall 10a of damper housing 10 upper end, with recessed in a concave shape downwards
Mode is formed with notch part 21, by the notch part 21, and the side of sidewall portion 11-c of shock absorber bearing 11 part is outwards (to starting
The side of machine room 2) expose.It is in side of sidewall portion 11-c, by notch part 21 to the part exposed outside, be welded and fixed corner assembly 19
Upper extension 19A front side joint flange 19-f2 a part.It is in joint flange 19-f2, pass through notch part
21 parts for being fixedly welded on side of sidewall portion 11-c are referred to as junction surface 22.Junction surface 22 be joint flange 19-f2 a part to
On the outside of overall width direction formed by bulging.
In addition, the upper surface of the side extension 19B in corner assembly 19, overlaps with the lower surface of the side edge part of crossbeam 14.
The side extension 19B of corner assembly 19 is fixedly welded on the side edge part of crossbeam 14 at joint flange 19-f1,19-f2.If angle
Part 19 is engaged in side wall 10a, the side of sidewall portion 11-c and crossbeam 14 of shock absorber bearing 11 of damper housing 10 as described above, then
The closed cross-section portion extended to overall width direction being made up of instrument board upper plate 12 and crossbeam 14, with by housing strengthening part 18 and subtracting
The closed cross-section portion vertically extended that device housing 10 is constituted is shaken, by closed cross-section, one is rigidly attached to higher
Rise.
Therefore, in present embodiment, the closed cross-section portion for the left and right being made up of housing strengthening part 18 and damper housing 10, with
The closed cross-section portion being made up of instrument board upper plate 12 and crossbeam 14, collectively forms the framework of the front side frame for engaging left and right.
As described above, in the vehicle body front structure of present embodiment, the shock absorber bearing 11 of left and right has：On shock absorber bearing
Wall 11-a, it has damper fixed part；Refractory slab portion 11-b, it is formed as the periphery edge from shock absorber bearing upper wall 11-a
Lower position is in step sigmoid；With side of sidewall portion 11-c, it bends downwards and solid from refractory slab portion 11-b outer rim
Due to the top of damper housing 10.It is horizontal stroke in the fixed instrument board parts of refractory slab portion 11-b of the shock absorber bearing 11 of left and right
The edge of the left and right of beam 14.Therefore, even if shock absorber bearing 11 is exceeded the single tabular parts of damper housing 10 by wall thickness
Constitute, a large amount of stress are on shock absorber bearing 11 caused by also suppressing the load that applies when vehicle is travelled etc. from damper
Crossbeam 14 fixed part (weld part).
That is, should be in the vehicle body front structure of embodiment, due to being fixed with the left and right of crossbeam 14 in refractory slab portion 11-b
Edge, and refractory slab portion 11-b is formed at the lower position of shock absorber bearing upper wall 11-a periphery edge and bends to step
Shape, therefore, when the traveling load for having vehicle applies to shock absorber bearing upper wall 11-a from damper, using on shock absorber bearing
Step part between wall 11-a and refractory slab portion 11-b is effectively by the load absorption.Hereby it is possible to prevent strong stress
The fixed part of the crossbeam 14 acted on shock absorber bearing 11.
Therefore, when employing this vehicle body rear part structure, the larger single plate-shaped member formation shock absorber bearing of wall thickness can be utilized
11, manufacturing cost is reduced, and the intensity of the fixed part of the grade instrument board parts of crossbeam 14 can be improved.
In addition, in the vehicle body front structure of present embodiment, instrument board parts are that the edge directly welding of crossbeam is solid
Vehicle body inside region 11-bs in the refractory slab portion 11-b of shock absorber bearing 11, meanwhile, it is fixed on the corner assembly 19 of crossbeam 14
The vehicle body rear side region 11-br in the refractory slab portion 11-b of shock absorber bearing 11 is engaged in by connecting bracket 20.Therefore, use
During the vehicle body front structure of present embodiment, apply to the traveling load of shock absorber bearing 11, via shock absorber bearing from damper
11 refractory slab portion 11-b multiple positions are transferred to crossbeam 14, so that stress is more difficult to concentrate on shock absorber bearing 11
The fixed part of crossbeam 14.
Moreover, should be in the vehicle body front structure of embodiment, being formed with damper housing 10 makes shock absorber bearing 11
Side of sidewall portion 11-c to the notch part 21 exposed outside, the junction surface 22 of corner assembly 19 is fixedly welded on damping by notch part 21
The side of sidewall portion 11-c of device seat 11.Therefore, it is not necessary to make corner assembly 19 carry out three layers of weight with damper housing 10 and shock absorber bearing 11
It is folded, you can corner assembly 19 is fixedly welded on shock absorber bearing 11.Therefore, when employing the structure, even if by shock absorber bearing 11
Wall thickness is set to sufficiently thick, also corner assembly 19 can be fixedly welded on into shock absorber bearing 11 with higher-strength.
In addition, when employing the vehicle body front structure of present embodiment, instrument board parts possess：Cover engine room 2
The closing that is upwardly extended in vehicle body right and left of instrument board upper plate 12 and being collectively formed with instrument board upper plate 12 of rear upper cut
The crossbeam 14 of face.Therefore, the closed cross-section portion that the shock absorber bearing 11 of left and right is made up of instrument board upper plate 12 and crossbeam 14
Link together.Therefore, can be with the top of the damper of higher non-yielding prop or so when employing this structure.
Moreover, in the vehicle body front structure of present embodiment, possess housing strengthening part 18, the housing strengthening part 18
The side of damper housing 10 is engaged in, closed cross-section portion substantially along the vertical direction is collectively formed with damper housing 10.By
The closed cross-section portion for the left and right that housing strengthening part 18 and damper housing 10 are constituted, and by instrument board upper plate 12 and the structure of crossbeam 14
Into closed cross-section portion, collectively form for by the articulate framework of front side frame 4 of left and right.Therefore, in this body forward structure knot
In structure, due to the closed cross-section portion of left and right being made up of housing strengthening part 18 and damper housing 10, and by instrument board upper plate
12 and crossbeam 14 constitute upper side closed cross-section portion, constitute across left and right front side frame 4 door shape foreside bodywork skeleton,
Therefore, it is possible to improve the rigidity of body forward structure well.
In addition, when employing the vehicle body front structure of present embodiment, because the thickness of slab of shock absorber bearing 11 is damper shell
More than 2 times (for example, 4mm) of the thickness of slab of body 10, therefore need not only be used for the rigid rib that improves shock absorber bearing 11
Part, and rigidity reduction caused by electroplating processes can suppress to get rusty need not be implemented.
Moreover, the present invention is not limited to above-mentioned embodiment, various designs can be carried out in the range of its main idea is not departed from
Change.
Description of reference numerals
2 ... engine rooms (power carrying room)
4 ... front side frames
10 ... damper housings
11 ... shock absorber bearings
11-a ... shock absorber bearing upper walls
11-b ... refractory slabs portion
11-c ... side of sidewall portion
12 ... instrument board upper plates
14 ... crossbeams (lower side beam part, instrument board parts)
15 ... fastener holes (damper fixed part)
18 ... housing strengthening parts
19 ... corner assemblies
20 ... connecting brackets
21 ... notch parts
22 ... junction surfaces
Claims (6)
1. a kind of vehicle body front structure, it is characterised in that
Possess：
A pair of damper housings, its power for constituting vehicle carries the side wall of the left and right of room, houses the damper of draft hitch；
Shock absorber bearing, it is installed on the top of each damper housing, the fixed damper；With
Instrument board parts, it is configured at the rear portion that the power carries room, and corresponding left and right is fixed in the edge of its left and right
The shock absorber bearing,
The shock absorber bearing possesses：
Shock absorber bearing upper wall, it has damper fixed part；
Refractory slab portion, it is arranged to the periphery from the shock absorber bearing upper wall with step sigmoid, and position is less than the shock absorber bearing upper wall；
And
Side of sidewall portion, it bends downwards from the outer rim in the refractory slab portion, is fixed with the top of the damper housing,
The refractory slab portion of the shock absorber bearing of corresponding left and right is fixed in the edge of the left and right of the instrument board parts.
2. vehicle body front structure according to claim 1, it is characterised in that
Possess：
Corner assembly, it connects the instrument board parts and the damper housing；With
Connecting bracket, it is fixed on the fixed position of in the refractory slab portion of the shock absorber bearing and instrument board parts not
Same position,
The corner assembly is fixed on the connecting bracket.
3. vehicle body front structure according to claim 2, it is characterised in that
The side of sidewall portion of the shock absorber bearing is engaged in the medial surface of the damper housing,
Being provided with the damper housing makes the side of sidewall portion of the shock absorber bearing to the notch part exposed outside,
The corner assembly has junction surface, and the junction surface is engaged in the side of sidewall portion exposed outside via the notch part.
4. the vehicle body front structure according to any one in claims 1 to 3, it is characterised in that
The instrument board parts possess：
Instrument board upper plate, it covers the rear upper that the power carries room；With
Lower side beam part, it is engaged in the instrument board upper plate, is collectively formed with the instrument board upper plate in vehicle body left and right directions
The closed cross-section portion of upper extension.
5. vehicle body front structure according to claim 4, it is characterised in that
Possess：
Left-right pair of front side frame, it is configured at the lower section of the overall width direction inner side of each damper housing；With
Housing strengthening part, it is engaged in the side of each damper housing, with the damper housing collectively form approximately along
The closed cross-section portion of above-below direction extension,
The closed cross-section portion for the left and right being made up of the housing strengthening part and the damper housing, and by the instrument board
The closed cross-section portion that upper plate and the lower side beam part are constituted, is collectively formed the front side frame of left and right is articulate
Framework.
6. the vehicle body front structure according to any one in Claims 1 to 5, it is characterised in that
The thickness of slab of the shock absorber bearing is more than 2 times of the thickness of slab of the damper housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016017087A JP6652848B2 (en) | 2016-02-01 | 2016-02-01 | Body front structure |
| JP2016-017087 | 2016-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107031736A true CN107031736A (en) | 2017-08-11 |
| CN107031736B CN107031736B (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710001476.0A Active CN107031736B (en) | 2016-02-01 | 2017-01-03 | Vehicle body front structure |
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| Country | Link |
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| JP (1) | JP6652848B2 (en) |
| CN (1) | CN107031736B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332086A (en) * | 2020-03-26 | 2020-06-26 | 北京汽车股份有限公司 | Shock absorber seat, shock absorber assembly and vehicle |
| CN111497945A (en) * | 2019-01-31 | 2020-08-07 | 长城汽车股份有限公司 | Wheel casing assembly, automobile body and vehicle |
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| CN102039934A (en) * | 2009-10-13 | 2011-05-04 | 本田技研工业株式会社 | Vehicle front body structure |
| CN103287501A (en) * | 2012-02-27 | 2013-09-11 | 本田技研工业株式会社 | Vehicle front body structure |
| CN203581125U (en) * | 2013-10-24 | 2014-05-07 | 北京汽车股份有限公司 | Front shock absorber bearing for vehicle and vehicle |
| CN104039636A (en) * | 2012-01-11 | 2014-09-10 | 本田技研工业株式会社 | Structure for front portion of vehicle |
| US20140367994A1 (en) * | 2012-01-11 | 2014-12-18 | Honda Motor Co., Ltd. | Vehicle front structure |
| US20150251703A1 (en) * | 2012-08-31 | 2015-09-10 | Honda Motor Co., Ltd. | Vehicle body rear structure |
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| JP4332712B2 (en) * | 2003-08-29 | 2009-09-16 | 三菱自動車工業株式会社 | Suspension tower reinforcement structure |
| KR20110054941A (en) * | 2009-11-19 | 2011-05-25 | 현대자동차주식회사 | Frame mounting structure of the engine room around |
| KR101339253B1 (en) * | 2012-08-14 | 2013-12-09 | 기아자동차 주식회사 | Shock absorber housing supporting apparatus for vehicle |
| WO2014097513A1 (en) * | 2012-12-21 | 2014-06-26 | 本田技研工業株式会社 | Vehicle body structure |
-
2016
- 2016-02-01 JP JP2016017087A patent/JP6652848B2/en not_active Expired - Fee Related
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2017
- 2017-01-03 CN CN201710001476.0A patent/CN107031736B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039934A (en) * | 2009-10-13 | 2011-05-04 | 本田技研工业株式会社 | Vehicle front body structure |
| CN104039636A (en) * | 2012-01-11 | 2014-09-10 | 本田技研工业株式会社 | Structure for front portion of vehicle |
| US20140367994A1 (en) * | 2012-01-11 | 2014-12-18 | Honda Motor Co., Ltd. | Vehicle front structure |
| CN103287501A (en) * | 2012-02-27 | 2013-09-11 | 本田技研工业株式会社 | Vehicle front body structure |
| US20150251703A1 (en) * | 2012-08-31 | 2015-09-10 | Honda Motor Co., Ltd. | Vehicle body rear structure |
| CN203581125U (en) * | 2013-10-24 | 2014-05-07 | 北京汽车股份有限公司 | Front shock absorber bearing for vehicle and vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497945A (en) * | 2019-01-31 | 2020-08-07 | 长城汽车股份有限公司 | Wheel casing assembly, automobile body and vehicle |
| CN111332086A (en) * | 2020-03-26 | 2020-06-26 | 北京汽车股份有限公司 | Shock absorber seat, shock absorber assembly and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107031736B (en) | 2020-03-17 |
| JP6652848B2 (en) | 2020-02-26 |
| JP2017136877A (en) | 2017-08-10 |
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