CN103209884B - The structure of Vehicular body front - Google Patents
The structure of Vehicular body front Download PDFInfo
- Publication number
- CN103209884B CN103209884B CN201180053828.8A CN201180053828A CN103209884B CN 103209884 B CN103209884 B CN 103209884B CN 201180053828 A CN201180053828 A CN 201180053828A CN 103209884 B CN103209884 B CN 103209884B
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- Prior art keywords
- upper plate
- car body
- lower plate
- planar portions
- described upper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/082—Engine compartments
- B62D25/084—Radiator supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/52—Radiator or grille guards ; Radiator grilles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The skirtboard curb girder (2) extended along the fore-and-aft direction of car body is arranged at the left and right sides on the width over sides of car body direction of Vehicular body front (1).The radiator support member (5) extended along the Width of car body is arranged in the front end of skirtboard curb girder (2).The bottom being positioned at the front end of the skirtboard curb girder (2) of the left and right sides is connected by radiator support member (5).Heat sink assembly (6) is arranged in the top of radiator support member (5).Radiator support member (5) is provided with the upper plate (7) and lower plate (8) arranged up and down.The structure of Vehicular body front is constructed to make radiator support member (5) form closed section by upper plate (7) and lower plate (8) being engaged with each other.
Description
Technical field
The present invention relates to the structure of the Vehicular body front of the absorptive character improved the load from car body front.
Background technology
Up to the present, Vehicular body front has been provided with the components such as such as skirtboard curb girder, radiator support member, bumper/spoiler grid and front bumper.Wherein, radiator support member to be arranged in below car body and to support the heat sink assembly be arranged in above radiator support member.
When rod-shaped objects (leg of such as pedestrian) Vehicular body front this from the frontal crash of car body, the contacts-side-down radiator support member of rod-shaped objects also may apply local load.
For this reason, some conventional truck absorb load (such as with reference to patent documentation 1 to patent documentation 6) from car body front by arranging padded coaming etc. or design in the front portion of radiator support member by reducing the rigidity of radiator support member and the structure that can easily be out of shape on car body fore-and-aft direction.
[reference listing]
[patent documentation]
[patent documentation 1] JP 2010-188966 publication
[patent documentation 2] JP 2010-149601 publication
[patent documentation 3] JP 2009-255893 publication
[patent documentation 4] JP 2009-234376 publication
[patent documentation 5] JP 2001-191952 publication
[patent documentation 6] JP 2008-230319 publication
Summary of the invention
the problem that invention will solve
But in the conventional confguration of above-mentioned Vehicular body front, configuring and fixing padded coaming etc. needs to arrange installing space near radiator support member.Therefore, this makes to carry out compact design, and this point is unfavorable to small-sized Light-duty Vehicle especially.
In the situation using conventional confguration, reduce the rigidity of radiator support member on car body fore-and-aft direction in a simple manner decoupled, make radiator support member can not support radiator etc. because of the up-and-down movement in vehicle travel process and vibration, the resonance caused because rigidity reduces makes car body vibrate, and this vibration is passed to car indoor, thus cause the worry that interior noise can increase.
In addition, the radiator support member that needs to send as an envoy to is low as far as possible and make the design that the rear pendulum of the bottom of rod-shaped objects reduces against the position of rod-shaped objects.If the totals such as skirtboard curb girder are made low, then need to correct whole body framing, therefore this design is difficult to be used.On the other hand, if can according to the structure of the adjustment such as vehicle Vehicular body front, then the degree of freedom designed becomes large, and result achieves the universalization of Vehicular body front and lightweight and can realize reducing costs.
Consider that this actual conditions complete the present invention, the object of this invention is to provide the structure of following Vehicular body front: the load absorptive character of the car body front side of radiator support member can be improved by simple structure while the rigidity keeping whole radiator support member, so that the load effectively absorbed from car body front reduce local load.
for the scheme of dealing with problems
In order to solve the problem of above-mentioned conventional art, the invention provides a kind of structure of Vehicular body front, wherein, the skirtboard curb girder extended along the fore-and-aft direction of car body is arranged at the left and right sides on the width over sides of car body direction of Vehicular body front, the radiator support member extended along the Width of car body is arranged in the front end of described skirtboard curb girder, the bottom being positioned at the front end of the described skirtboard curb girder of the described left and right sides is connected by described radiator support member, heat sink assembly is arranged in the top of described radiator support member, described radiator support member is provided with the upper plate and lower plate arranged up and down, and described upper plate and described lower plate are joined together, described radiator support member forms closed section thus, in the structure of this Vehicular body front, the described upper plate of described radiator support member at least has planar portions in the horizontal direction and is formed at the car body front side of described planar portions and the vertical surface part extended below car body, described lower plate at least has planar portions in the horizontal direction, be formed at the car body front side of described planar portions and the flange part in the horizontal direction of the vertical surface part extended above car body and the car body front side that is formed at described vertical surface part, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
In addition, in the present invention, described upper plate be formed as described planar portions be positioned at upper position, cross section is the shape of letter C, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
In addition, in the present invention, it is hat that described upper plate is formed as cross section, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the rear portion of the flange part at the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
In addition, in the present invention, it is hat that described upper plate and described lower plate are all formed as cross section, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the flange part at the rear portion of the flange part at the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
In addition, the invention provides a kind of structure of Vehicular body front, wherein, the skirtboard curb girder extended along the fore-and-aft direction of car body is arranged at the left and right sides on the width over sides of car body direction of Vehicular body front, the radiator support member extended along the Width of car body is arranged in the front end of described skirtboard curb girder, the bottom being positioned at the front end of the described skirtboard curb girder of the described left and right sides is connected by described radiator support member, heat sink assembly is arranged in the top of described radiator support member, described radiator support member is provided with the upper plate and lower plate arranged up and down, and described upper plate and described lower plate are joined together, described radiator support member forms closed section thus, in the structure of this Vehicular body front, the described upper plate of described radiator support member at least has planar portions in the horizontal direction, be formed at the car body front side of described planar portions and the flange part in the horizontal direction of the vertical surface part extended below car body and the car body front side that is formed at described vertical surface part, described lower plate at least has planar portions in the horizontal direction and is formed at the car body front side of described planar portions and the vertical surface part extended above car body, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
In addition, in the present invention, described lower plate be formed as described planar portions be positioned at lower position, cross section is the shape of letter C, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.In addition, in the present invention, it is hat that described lower plate is formed as cross section, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the rear portion of the flange part at the rear portion of described lower plate and described upper plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
In addition, in the present invention, it is hat that described upper plate and described lower plate are all formed as cross section, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the flange part at the rear portion of the flange part at the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
the effect of invention
As mentioned above, the structure of Vehicular body front of the present invention is the structure of following Vehicular body front: wherein, the skirtboard curb girder extended along the fore-and-aft direction of car body is arranged at the left and right sides on the width over sides of car body direction of Vehicular body front, the radiator support member extended along the Width of car body is arranged in the front end of described skirtboard curb girder, the bottom being positioned at the front end of the described skirtboard curb girder of the described left and right sides is connected by described radiator support member, heat sink assembly is arranged in the top of described radiator support member, described radiator support member is provided with the upper plate and lower plate arranged up and down, and described upper plate and described lower plate are joined together, described radiator support member forms closed section thus, in the structure of this Vehicular body front, the described upper plate of described radiator support member at least has planar portions in the horizontal direction and is formed at the car body front side of described planar portions and the vertical surface part extended below car body, described lower plate at least has planar portions in the horizontal direction, be formed at the car body front side of described planar portions and the flange part in the horizontal direction of the vertical surface part extended above car body and the car body front side that is formed at described vertical surface part, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.Thus, can while maintenance has the rigidity of whole radiator support member of closed section structure, simple structure is utilized to improve the load absorptive character of the car body front side of radiator support member, so that the load effectively absorbed from car body front also reduces as the local load on the rod-shaped objects (leg of such as pedestrian) in load generation source.
In addition, according to structure of the present invention, at the car body front side of closed section structure, the front end of horizontal plane and from horizontal plane forward continuously and the vertical surface part extended up or down form from part time car body side (horizontal) being L shape.
As a result, when from car body front applied load, L shape partially absorb this load and after the portion deforms of L shape, the closed section structure with rigidity is retained, thus, radiator support member positively can support heat sink assembly.In addition, freely can be adjusted by the planar portions of the part extending L shape according to vehicle etc. can the size of absorbed load.Especially, extended downwards by the vertical surface part of the part by L shape, the height received from the load in car body front can be arranged on low-level, and more can reduce local load than ever.
In addition, in a structure of the in-vention, described upper plate be formed as described planar portions be positioned at upper position, cross section is the shape of letter C, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.Thereby, it is possible to high rigid base when easily making and obtain viewed from car body side with roughly tetragonal closed section and the load absorbent portion extended in base portion front.
In addition, in a structure of the in-vention, it is hat that described upper plate is formed as cross section, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the rear portion of the flange part at the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.Thus, based on upper plate or the lower plate with hat section and high rigidity, high rigid base when easily can make and obtain viewed from car body side with roughly tetragonal closed section and the load absorbent portion extended in base portion front.In addition, owing to acting on the lordosis edge with hat section from the load in car body front, the part of L shape can start earlier distortion and bring out distortion by the effect of moment, effectively can absorb the load from car body front thus.
In addition, in a structure of the in-vention, it is hat that described upper plate and described lower plate are all formed as cross section, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the flange part at the rear portion of the flange part at the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.Thus, by the upper plate and lower plate with hat section are arranged as upper and lower relation, even if wherein both upper plate and lower plate all also have rigidity when being used alone, the rigidity of radiator support member can be guaranteed, and as above-mentioned feature of the present invention, effectively can absorb the load from car body front in the front with the part of hat section of upper plate and lower plate.
In addition, the structure of Vehicular body front of the present invention is the structure of following Vehicular body front: wherein, the skirtboard curb girder extended along the fore-and-aft direction of car body is arranged at the left and right sides on the width over sides of car body direction of Vehicular body front, the radiator support member extended along the Width of car body is arranged in the front end of described skirtboard curb girder, the bottom being positioned at the front end of the described skirtboard curb girder of the described left and right sides is connected by described radiator support member, heat sink assembly is arranged in the top of described radiator support member, described radiator support member is provided with the upper plate and lower plate arranged up and down, and described upper plate and described lower plate are joined together, described radiator support member forms closed section thus, in the structure of this Vehicular body front, the described upper plate of described radiator support member at least has planar portions in the horizontal direction, be formed at the car body front side of described planar portions and the flange part in the horizontal direction of the vertical surface part extended below car body and the car body front side that is formed at described vertical surface part, described lower plate at least has planar portions in the horizontal direction and is formed at the car body front side of described planar portions and the vertical surface part extended above car body, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.Thus, as above-mentioned feature of the present invention, while maintenance has the rigidity of whole radiator support member of closed section structure, simple structure can be utilized to improve the load absorptive character of the car body front side of radiator support member, so that the load effectively absorbed from car body front also reduces as the local load on the rod-shaped objects (leg of such as pedestrian) in load generation source.
In addition, according to structure of the present invention, as above-mentioned feature of the present invention, at the car body front side of closed section structure, the front end of horizontal plane and from horizontal plane forward continuously and the vertical surface part extended up or down form from part time car body side (horizontal) being L shape.
As a result, when from car body front applied load, L shape partially absorb this load and after the portion deforms of L shape, the closed section structure with rigidity is retained, thus, radiator support member positively can support heat sink assembly.In addition, freely can be adjusted by the planar portions of the part extending L shape according to vehicle etc. can the size of absorbed load.Especially, extended downwards by the vertical surface part of the part by L shape, the height of the load receiving car body front can be arranged on low-level, and more can reduce local load than ever.
In addition, in a structure of the in-vention, described upper plate be formed as planar portions be positioned at lower position, cross section is the shape of letter C, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.Thus, as above-mentioned feature of the present invention, easily can make and obtain high rigid base when having viewed from car body side with roughly tetragonal closed section and the load absorbent portion extended in base portion front.
In addition, in a structure of the in-vention, it is hat that described lower plate is formed as cross section, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the rear portion of the flange part at the rear portion of described lower plate and described upper plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.Thus, as above-mentioned feature of the present invention, based on upper plate or the lower plate with hat section and high rigidity, high rigid base when easily can make and obtain viewed from car body side with roughly tetragonal closed section and the load absorbent portion extended in base portion front.In addition, owing to acting on the lordosis edge with hat section from the load in car body front, the part of L shape can start earlier distortion and bring out distortion by the effect of moment, effectively can absorb the load from car body front thus.
In addition, in a structure of the in-vention, it is hat that described upper plate and described lower plate are all formed as cross section, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the flange part at the rear portion of the flange part at the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.Thus, as above-mentioned feature of the present invention, by the upper plate and lower plate with hat section are arranged as upper and lower relation, even if wherein both upper plate and lower plate also all have rigidity when being used alone, the rigidity of radiator support member can be guaranteed, and as above-mentioned feature of the present invention, effectively can absorb the load from car body front in the front with the part of hat section of upper plate and lower plate.
Accompanying drawing explanation
[Fig. 1] Fig. 1 is the block diagram of the Vehicular body front of the vehicle that the structure being suitable for embodiments of the present invention is shown.
[Fig. 2] Fig. 2 is the front elevation removing the Vehicular body front of front bumper and bumper/spoiler grid that Fig. 1 is shown.
[Fig. 3] Fig. 3 is from when tiltedly below is seen, is arranged at the block diagram of the radiator support member of the Vehicular body front of embodiments of the present invention.
When [Fig. 4] Fig. 4 is viewed from oblique upper, be arranged at the block diagram of the radiator support member of the Vehicular body front of embodiments of the present invention.
[Fig. 5] Fig. 5 is when seeing from below, is arranged at the block diagram of the radiator support member of the Vehicular body front of embodiments of the present invention.
[Fig. 6] Fig. 6 is the close-up sectional view of the radiator support member of the Vehicular body front being arranged at embodiments of the present invention.
[Fig. 7] (a) to (h) is the section drawing schematically showing the upper plate of the radiator support member forming above-mentioned embodiment and the multiple engaged mode of lower plate.
Detailed description of the invention
Below will the present invention will be described based on illustrated embodiment.
Fig. 1 to Fig. 6 illustrates the structure of the Vehicular body front of embodiments of the present invention.
As depicted in figs. 1 and 2, the front bumper 4 of the bumper/spoiler grid 3 that Vehicular body front 1 is mainly provided with pair of right and left skirtboard curb girder 2, resin is made being suitable for the vehicle of the structure of embodiments of the present invention and the Vehicular body front that is positioned at these skirtboard curb girders 2, wherein, pair of right and left skirtboard curb girder 2 extends along the fore-and-aft direction of car body and is arranged in the Width left and right sides of car body spaced apart relation to each other, and as shown in Figure 1, bumper/spoiler grid 3 is arranged at the rear side of front bumper 4.
Skirtboard curb girder 2 is the rigid members of the main framing forming Vehicular body front 1, and as shown in Figure 2, the radiator support member 5 extended along the Width of car body is configured at the downside of the leading section of skirtboard curb girder 2, and is connected the bottom being positioned at the front end of the skirtboard curb girder 2 of the left and right sides by this radiator support member 5.
The heat sink assembly such as radiator and radiator fan (radiator ASSY) 6 is arranged in the top of this radiator support member 5, and the bottom of the parts such as such as radiator is attached to the top of radiator support member 5, and heat sink assembly 6 is supported by radiator support member 5 thus.
As shown in Figures 3 to 6, the radiator support member 5 of present embodiment is provided with the upper plate 7 and lower plate 8 arranged up and down, and together with upper plate 7 and lower plate 8 be engaged to by spot welding etc., radiator support member 5 forms closed section thus.
Upper plate 7 be length even as big as the board member of the skirtboard curb girder 2 being positioned at the left and right sides can be connected, and upper plate 7 is arranged along the Width of car body.Upper plate 7 at least has: planar portions 7a in the horizontal direction, be formed at planar portions 7a car body front side and the front side vertical surface part 7b1 extended below car body, be formed at the car body front side of front side vertical surface part 7b1 front side flange part 7c1 in the horizontal direction and be formed at the car body rear side of planar portions 7a and the rear vertical surface portion 7b2 extended below car body, be formed at the rear flange portion 7c2 in the horizontal direction of the car body rear side of rear vertical surface portion 7b2 in addition; It is the cross section of hat when upper plate 7 is bent to viewed from car body side.The anterior-posterior length of planar portions 7a makes the part being attached heat sink assembly 6 be formed as larger than other parts, in the planar portions 7a with large anterior-posterior length, be drilled with two radiator attachment hole 9 for installation of heat radiator, these two radiator attachment hole 9 are spaced apart along width over sides of car body direction.
In addition, in order to make that reception is low from the height of car body load forward, the interference of avoiding circumferential component and setting up and the connection of bottom of skirtboard curb girder 2, be the cross section of hat when upper plate 7 is bent in the following manner viewed from car body front side: make the horizontal pars intermedia width over sides of car body direction low and left and right sides portion rises, and the connecting portion 7d at two ends, left and right place extends in the horizontal direction.
On the other hand, lower plate 8 is that length is suitable for being positioned at centre portion on the width over sides of car body direction of upper plate 7 and the board member arranged along the Width of car body.Lower plate 8 at least has: planar portions 8a in the horizontal direction, be formed at planar portions 8a car body front side and the front side vertical surface part 8b1 extended above car body and be formed at the front side flange part 8c1 in the horizontal direction of car body front side of front side vertical surface part 8b1.In addition, the rear portion 8c2 of planar portions 8a extends towards car body rear side and is the cross section of crank-like when being bent to viewed from car body side.
Therefore, as shown in Figure 3, Figure 5 and Figure 6, in the radiator support member 5 of present embodiment, the front side flange part 8c1 of lower plate 8 is overlapping with the lower surface of the planar portions 7a of upper plate 7 and joined to the lower surface of planar portions 7a by modes such as spot welding near the vertical surface part 7b1 of front side; The rear portion 8c2 of lower plate 8 is overlapping with the rear flange portion 7c2 of upper plate 7 and join rear flange portion 7c2 to by modes such as spot welding, is roughly dimetric closed section when upper plate 7 and lower plate 8 are formed as viewed from car body side thus.At this, this closed section is made for roughly dimetric reason and is, when needing the rigidity increasing further closed section structure, can by make bight be formed as increase that hypotenuse realizes rigidity.
Under this engagement state, at the car body front side of roughly tetragonal closed section structure, the front end of the horizontal plane 7a of upper plate 7 and comprise from the L shape portion of horizontal plane forward continuously and when forming viewed from car body side to the front side vertical surface part 7b1 of downward-extension or formation front side flange part 7c1 viewed from car body side time crank shape portion; This L shape portion or this crank shape portion have the function as load absorbent portion, and it easily can be out of shape relative to closed section height rigid construction body.Therefore, even if the radiator support member of present embodiment 5 also can the high rigid element of collateral support heat sink assembly 6 in the wings be formed by the load absorbent portion easily can be out of shape along the fore-and-aft direction of car body at front side with after load absorbent portion is out of shape.
Above-mentioned radiator attachment hole 9 is arranged at as near lower portion: this position makes rigidity increase by the front side flange part 8c1 in the planar portions 7a place of upper plate 7 joint lower plate 8, thus make heat sink assembly 6, the radiator on the top that is attached to radiator support member 5 positively supported.
For the Vehicular body front 1 of vehicle of structure of present embodiment of the present invention with so structure, if rod-shaped objects (leg of such as pedestrian) impinges upon on front bumper 4 and load is applied to radiator support member 5 from car body front time, by upper plate 7 planar portions 7a and be positioned at that the front side vertical surface part 7b1 of car body front side forms viewed from car body side time be L shape part or include front side flange part 7c1 viewed from car body side time be the portion deforms of crank shape and absorb load.Subsequently, the roughly tetragonal structure body of closed section receives towards the L shape part of car body rear side distortion or crank shape part, and maintain the shape of radiator support member 5, thus support the heat sink assembly 6 being attached to the top of upper plate 7, wherein the roughly tetragonal structure body of closed section is made up of with the rear portion 8c2 being positioned at the rear vertical surface portion 7b2 of car body rear side and the front side vertical surface part 8b1 of lower plate 8 and planar portions 8a the planar portions 7a of upper plate 7.
As mentioned above, have embodiments of the present invention structure vehicle Vehicular body front 1 in, connect the radiator support member 5 of the bottom of the front end of the skirtboard curb girder 2 of the left and right sides by being positioned at car body front side, the load absorbent portion that can be easily out of shape viewed from car body side time be L shape part or viewed from car body side time be that the part of crank shape is formed with the closed section structure of the high rigid element being positioned at car body rear side, wherein the closed section structure of this high rigid element is that the upper plate 7 of hat is formed with the lower plate 8 being crank shape from Kan Shi cross section, car body side from Kan Shi cross section, car body side by engaging.Therefore, such as, when the load from rod-shaped objects (leg of such as pedestrian) is applied to radiator support member 5 from car body front, be that the part etc. of L shape is easily out of shape time viewed from car body side, result is absorbed from the load in car body front and is alleviated, thus can avoid the local load on rod-shaped objects.In addition, after viewed from car body side time being the distortion such as the part of L shape, the closed section structure of high rigid element is retained and therefore, it is possible to positively maintenance heat sink assembly 6.
In addition, in the structure of the Vehicular body front 1 of present embodiment, owing to being provided with the radiator support member 5 of the load absorbent portion that can be easily out of shape being positioned at car body front side and the high rigid base being positioned at car body rear side by selecting the engage position of upper plate 7 and lower plate 8 just can easily obtain, so structure can not become complicated and manufacturing expense is low.In addition, in the radiator support member 5 of present embodiment, due to the extension elongation of front end from upper plate 7 of change planar portions 7a can be passed through, or by making the front side vertical surface part 7b1 of upper plate 7 along extending in downward direction, or change load absorptive character, so can these length be adjusted according to applicable vehicle of the present invention and need not revise whole body framing by the extension elongation of the front side flange part 7c1 changing upper plate 7.Therefore, structure according to the present embodiment, the degree of freedom of design becomes large, and can realize the commonality of car body and lightweight and can realize the reduction of manufacturing cost.
Although carried out as above illustrating to embodiments of the present invention, the present invention has been not limited to above-mentioned embodiment; Various modification and change can be carried out in the basis of technological concept of the present invention.
Such as, in the above-described embodiment, the upper plate 7 and the lower plate 8 that form radiator support member 5 are arranged according to the shape shown in Fig. 7 (a) and engage position, but also can arrange according to the shape shown in Fig. 7 (b) to Fig. 7 (h) and engage position according to being suitable for vehicle of the present invention.
In Fig. 7 (b), upper plate 7 has planar portions 7a in the horizontal direction and is formed at the car body front side of planar portions 7a and the front side vertical surface part 7b1 extended below car body, lower plate 8 have planar portions 8a in the horizontal direction, be formed at planar portions 8a car body front side and the front side flange part 8c1 in the horizontal direction of the vertical surface part 8b1 extended above car body and the car body front side that is formed at vertical surface part 8b1.Be joined together with the front side flange part 8c1 of lower plate 8 below the planar portions 7a of upper plate 7, and the rear portion of the rear portion of upper plate 7 and lower plate 8 is joined together, roughly tetragonal closed section when upper plate 7 and lower plate 8 are formed as viewed from car body side thus.
In Fig. 7 (c), upper plate 7 be formed as planar portions 7a be positioned at upper position, cross section is the shape of letter C, be joined together with the front side flange part 8c1 of lower plate 8 below the planar portions 7a of upper plate 7, and the rear portion 8b2 of the rear portion 7b2 of upper plate 7 and lower plate 8 is joined together, roughly tetragonal closed section when upper plate 7 and lower plate 8 are formed as viewed from car body side thus.
In Fig. 7 (d), it is hat that upper plate 7 and lower plate 8 are all formed as cross section, be joined together with the front side flange part 8c1 of lower plate 8 below the planar portions 7a of upper plate 7, and the rear flange portion 8c2 of the rear flange portion 7c2 of upper plate 7 and lower plate 8 is joined together, roughly tetragonal closed section when upper plate 7 and lower plate 8 are formed as side viewed from car body side thus.
In Fig. 7 (e), upper plate 7 has planar portions 7a in the horizontal direction, be formed at the car body front side of planar portions 7a and the front side flange part 7c1 in the horizontal direction of the front side vertical surface part 7b1 extended below car body and the car body front side that is formed at vertical surface part 7b1, lower plate 8 has planar portions 8a in the horizontal direction, be formed at the car body front side of planar portions 8a and the vertical surface part 8b1 extended above car body, the front side flange part 7c1 of the upper plate 7 and planar portions 8a of lower plate 8 is joined together above, and the rear portion of the rear portion of upper plate 7 and lower plate 8 is joined together, roughly tetragonal closed section when upper plate 7 and lower plate 8 are formed as viewed from car body side thus.
In Fig. 7 (f), lower plate 8 be formed as planar portions 8a be positioned at lower position, cross section is the shape of letter C, the front side flange part 7c1 of the upper plate 7 and planar portions 8a of lower plate 8 is joined together above, and the rear portion 8b2 of the rear portion 7b2 of upper plate 7 and lower plate 8 is joined together, roughly tetragonal closed section when upper plate 7 and lower plate 8 are formed as viewed from car body side thus.
In Fig. 7 (g), it is hat that lower plate 8 is formed as cross section, the front side flange part 7c1 of the upper plate 7 and planar portions 8a of lower plate 8 is joined together above, and the rear flange portion 8c2 of the rear portion 7c2 of upper plate 7 and lower plate 8 is joined together, roughly tetragonal closed section when upper plate 7 and lower plate 8 are formed as viewed from car body side thus.In Fig. 7 (h), it is hat that upper plate 7 and lower plate 8 are all formed as cross section, the front side flange part 7c1 of the upper plate 7 and planar portions 8a of lower plate 8 is joined together above, and the rear flange portion 8c2 of the rear flange portion 7c2 of upper plate 7 and lower plate 8 is joined together, roughly tetragonal closed section when upper plate 7 and lower plate 8 are formed as viewed from car body side thus.
reference numerals list
1 Vehicular body front
2 skirtboard curb girders
5 radiator support member
6 heat sink assemblies
7 upper plates
7a planar portions
7b1,7b2 vertical surface part
7c1,7c2 flange part
8 lower plates
8a planar portions
8b1,8b2 vertical surface part
8c1,8c2 flange part
Claims (8)
1. the structure of a Vehicular body front, wherein, the skirtboard curb girder extended along the fore-and-aft direction of car body is arranged at the left and right sides on the width over sides of car body direction of Vehicular body front, the radiator support member extended along the Width of car body is arranged in the front end of described skirtboard curb girder, the bottom being positioned at the front end of the described skirtboard curb girder of the described left and right sides is connected by described radiator support member, heat sink assembly is arranged in the top of described radiator support member, described radiator support member is provided with the upper plate and lower plate arranged up and down, and described upper plate and described lower plate are joined together, described radiator support member forms closed section thus,
Wherein, the described upper plate of described radiator support member at least has planar portions in the horizontal direction and is formed at the car body front side of described planar portions and the vertical surface part extended below car body, described lower plate at least has planar portions in the horizontal direction, be formed at the car body front side of described planar portions and the flange part in the horizontal direction of the vertical surface part extended above car body and the car body front side that is formed at described vertical surface part, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
2. the structure of Vehicular body front according to claim 1, it is characterized in that, described upper plate be formed as described planar portions be positioned at upper position, cross section is the shape of letter C, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
3. the structure of Vehicular body front according to claim 1, it is characterized in that, it is hat that described upper plate is formed as cross section, described hat has planar portions in the horizontal direction, be formed at the vertical surface part of the both sides of this planar portions and be formed at the flange part in the horizontal direction in outside of this vertical surface part, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the rear portion of the flange part at the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
4. the structure of Vehicular body front according to claim 1, it is characterized in that, it is hat that described upper plate and described lower plate are all formed as cross section, described hat has planar portions in the horizontal direction, the flange part in the horizontal direction in the vertical surface part being formed at the both sides of this planar portions and the outside being formed at this vertical surface part, the planar portions of described upper plate and the flange part of described lower plate are joined together, and the flange part at the rear portion of the flange part at the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
5. the structure of a Vehicular body front, wherein, the skirtboard curb girder extended along the fore-and-aft direction of car body is arranged at the left and right sides on the width over sides of car body direction of Vehicular body front, the radiator support member extended along the Width of car body is arranged in the front end of described skirtboard curb girder, the bottom being positioned at the front end of the described skirtboard curb girder of the described left and right sides is connected by described radiator support member, heat sink assembly is arranged in the top of described radiator support member, described radiator support member is provided with the upper plate and lower plate arranged up and down, and described upper plate and described lower plate are joined together, described radiator support member forms closed section thus,
Wherein, the described upper plate of described radiator support member at least has planar portions in the horizontal direction, be formed at the car body front side of described planar portions and the flange part in the horizontal direction of the vertical surface part extended below car body and the car body front side that is formed at described vertical surface part, described lower plate at least has planar portions in the horizontal direction and is formed at the car body front side of described planar portions and the vertical surface part extended above car body, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
6. the structure of Vehicular body front according to claim 5, it is characterized in that, described lower plate be formed as described planar portions be positioned at lower position, cross section is the shape of letter C, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the rear portion of the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
7. the structure of Vehicular body front according to claim 5, it is characterized in that, it is hat that described lower plate is formed as cross section, described hat has planar portions in the horizontal direction, be formed at the vertical surface part of the both sides of this planar portions and be formed at the flange part in the horizontal direction in outside of this vertical surface part, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the rear portion of the flange part at the rear portion of described lower plate and described upper plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
8. the structure of Vehicular body front according to claim 5, it is characterized in that, it is hat that described upper plate and described lower plate are all formed as cross section, described hat has planar portions in the horizontal direction, the flange part in the horizontal direction in the vertical surface part being formed at the both sides of this planar portions and the outside being formed at this vertical surface part, the flange part of described upper plate and the planar portions of described lower plate are joined together, and the flange part at the rear portion of the flange part at the rear portion of described upper plate and described lower plate is joined together, roughly tetragonal closed section when described upper plate and described lower plate are formed as viewed from car body side thus.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-258918 | 2010-11-19 | ||
| JP2010258918 | 2010-11-19 | ||
| PCT/JP2011/076156 WO2012067059A1 (en) | 2010-11-19 | 2011-11-14 | Structure for front portion of vehicle body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103209884A CN103209884A (en) | 2013-07-17 |
| CN103209884B true CN103209884B (en) | 2015-08-12 |
Family
ID=46083986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180053828.8A Expired - Fee Related CN103209884B (en) | 2010-11-19 | 2011-11-14 | The structure of Vehicular body front |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5626665B2 (en) |
| CN (1) | CN103209884B (en) |
| WO (1) | WO2012067059A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9321495B2 (en) * | 2012-08-31 | 2016-04-26 | GM Global Technology Operations LLC | Method of assembling a front end assembly of a vehicle |
| KR20220053797A (en) * | 2020-10-23 | 2022-05-02 | 현대자동차주식회사 | Radiator support upper member assembly |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0233178U (en) * | 1988-08-26 | 1990-03-01 | ||
| JP3200128B2 (en) * | 1991-12-18 | 2001-08-20 | マツダ株式会社 | Car front body structure |
| KR0120554Y1 (en) * | 1995-12-13 | 1998-07-15 | 김태구 | Reinforcement strocture of radiator crossmember |
| JP4147616B2 (en) * | 1998-04-17 | 2008-09-10 | マツダ株式会社 | Front body structure of automobile |
| JP4106737B2 (en) * | 1998-04-22 | 2008-06-25 | マツダ株式会社 | Front body structure of automobile |
| DE60109114T3 (en) * | 2000-12-07 | 2015-01-08 | Calsonic Kansei Corp. | Support structure for motor vehicle radiator block |
| JP4144376B2 (en) * | 2003-02-27 | 2008-09-03 | 三菱自動車工業株式会社 | Front body structure |
| JP4292171B2 (en) * | 2005-05-23 | 2009-07-08 | 本田技研工業株式会社 | Front body structure of automobile |
| JP2007331440A (en) * | 2006-06-12 | 2007-12-27 | Toyota Motor Corp | Vehicle front part structure |
-
2011
- 2011-11-14 JP JP2012544231A patent/JP5626665B2/en active Active
- 2011-11-14 CN CN201180053828.8A patent/CN103209884B/en not_active Expired - Fee Related
- 2011-11-14 WO PCT/JP2011/076156 patent/WO2012067059A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN103209884A (en) | 2013-07-17 |
| JPWO2012067059A1 (en) | 2014-05-12 |
| WO2012067059A1 (en) | 2012-05-24 |
| JP5626665B2 (en) | 2014-11-19 |
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