A kind of roof rail of automobile A column
Technical field
The utility model belongs to automobile technical field, relates to a kind of roof rail of automobile A column.
Background technology
Automobile A column roof rail is the structure member connecting automobile A column and C post, and it can strengthen vehicle body bulk strength, ensures the firm of crew module's structure, in the head-on crash of automobile, has vital protective effect.In existing technology, the roof rail of automobile A column is segmentation structure, comprise outside plate, inner panel, the main strength beam of roof rail and roof rail posterior segment strength beam, connected by the mode of spot welding each other, the deficiency of the A post roof rail of this structure is: when welding quality goes wrong, easily cause welding interface insufficient strength, thus the Joint strenght that impact is overall.Authorization Notice No. is that the Chinese utility model patent of CN201999071U discloses a kind of upper left marginal beam of automobiles, comprise upper left marginal beam body, this upper left marginal beam body is global formation and continuous print component, end face is provided with several mounting holes and knock hole, this upper left marginal beam overcomes the defect of sectional type upper side beam structure, but this roof rail does not arrange the attaching parts be connected with automobile roof beam, cause the Joint strenght of roof rail and automobile roof beam not enough, affect the safety performance of car load.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide a kind of roof rail of automobile A column, technical problem to be solved in the utility model is: the Joint strenght how increasing roof rail and automobile roof front beam.
The purpose of this utility model realizes by following technical proposal:
A kind of roof rail of automobile A column, automobile comprises automobile roof front beam, it is characterized in that, described roof rail comprises outside plate body, described outside plate body has cross-beam connecting plate, described cross-beam connecting plate is positioned at the middle part of outside plate body and is connected with automobile roof front beam, the structure that described outside plate body and cross-beam connecting plate are formed in one.
Principle of work of the present utility model is: the structure that the outside plate body of the roof rail of A post and cross-beam connecting plate are formed in one, this construction increases the intensity of roof rail, the bending degree of roof rail during frontal crash of vehicles can be effectively reduced, ensure the structural soundness of crew module; The outside plate body of this roof rail is fixedly connected with automobile roof front beam by cross-beam connecting plate, compares the structure that roof rail is directly connected with automobile roof front beam, has larger intensity, because cross-beam connecting plate serves booster action.Cross-beam connecting plate and outside plate body are integrated structures, have better stiffening effect than the brace panel be fixed on roof rail with welding manner or bolt connecting mode.
In the roof rail of above-mentioned a kind of automobile A column, cross-beam connecting plate is fixed with reinforced rib one, the outer end of described cross-beam connecting plate is free end, and the inner of cross-beam connecting plate is connected on outside plate body, and described reinforced rib one extends to the inner of cross-beam connecting plate from the outer end of cross-beam connecting plate.Cross-beam connecting plate arranges reinforced rib one, improves the intensity of cross-beam connecting plate, further increase the Joint strenght of roof rail and automobile roof front beam.
In the roof rail of above-mentioned a kind of automobile A column, reinforced rib one is 2-4 bar, and each reinforced rib one is arranged on cross-beam connecting plate side by side.Reinforced rib one quantity is more, and the intensity of cross-beam connecting plate is higher.
In the roof rail of above-mentioned a kind of automobile A column, the middle part of outside plate body is fixed with protruding reinforced rib two, and described reinforced rib two is arranged along the length direction of outside plate body.Protruding reinforced rib two is set in the middle part of outside plate body, the intensity of outside plate body can be improved, make outside plate body have better shock resistance, when automobile generation head-on crash, roof rail can be reduced and to be impacted the distortion produced.
In the roof rail of above-mentioned a kind of automobile A column, automobile comprises A post, B post and C post, and front end and the automobile A column of described outside plate body are connected, rear end and the automotive C column of outside plate body are connected, middle part and the automobile B-column of outside plate body are connected, and the front end of outside plate body curves inwardly, and outside plate body is curved.The outside plate body of roof rail is arc, and roof rail bending distortion in frontal crash of vehicles process, can absorb collision energy by actv., play the effect of damp impacts power, thus improve the safety performance of car load.
Compared with prior art, advantage of the present utility model is as follows:
1, the structure that is formed in one of the outside plate body of roof rail of the present utility model and cross-beam connecting plate, the bending degree of A post roof rail when this structure can effectively reduce head-on crash, ensure the structural soundness of crew module, optimize the Path of Force Transfer at vehicle body top during central collision; The outside plate body of roof rail is fixedly connected with automobile roof front beam by cross-beam connecting plate, adds the Joint strenght of roof rail and automobile roof front beam, ensure that the integraty of Path of Force Transfer.
2, the outside plate body of roof rail of the present utility model is fixed with protruding reinforced rib two, improves the intensity of outside plate body, makes outside plate body have better shock resistance, when automobile generation head-on crash, can reduce roof rail and to be impacted the distortion produced.
3, the outside plate body of roof rail of the present utility model is arc, and in frontal crash of vehicles process, roof rail produces bending distortion, can absorb collision energy by actv., play the effect of damp impacts power, thus improve the safety performance of car load.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram that roof rail is connected with C post with automobile A column, B post.
In figure, 1, outside plate body; 11, reinforced rib two; 2, cross-beam connecting plate; 21, reinforced rib one; 22, free end; 3, automobile roof front beam; 4, A post; 5, B post; 6, C post.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1-2, automobile comprises automobile roof front beam 3, A post 4, B post 5 and C post 6, roof rail comprises outside plate body 1, outside plate body 1 has cross-beam connecting plate 2, cross-beam connecting plate 2 is positioned at the middle part of outside plate body 1 and is connected with automobile roof front beam 3, the structure that outside plate body 1 and cross-beam connecting plate 2 are formed in one, and this construction increases the intensity of roof rail, the bending degree of roof rail during frontal crash of vehicles can be effectively reduced, ensure the structural soundness of crew module; The outside plate body 1 of this roof rail is fixedly connected with automobile roof front beam 3 by cross-beam connecting plate 2, compares the structure that roof rail is directly connected with automobile roof front beam 3, has larger intensity, because cross-beam connecting plate 2 serves booster action.
As shown in Figure 2, the front end of outside plate body 1 and the A post 4 of automobile are connected, rear end and the automotive C column 6 of outside plate body 1 are connected, middle part and the automobile B-column 5 of outside plate body 1 are connected, outside plate body 1 is fixedly connected with C post 6 by the A post 4 of the mode of spot welding and automobile, B post 5, the front end of outside plate body 1 curves inwardly, and outside plate body 1 is curved.The outside plate body 1 of roof rail is arc, and in frontal crash of vehicles process, roof rail produces bending distortion, effectively can absorb collision energy, play the effect of damp impacts power, thus improve the safety performance of car load.Without liquid-leaking nozzle on the outside plate body 1 of this roof rail, liquid-leaking nozzle is arranged on the inner panel of roof rail, when avoiding offset collision, the problem of bending distortion occurs near liquid-leaking nozzle, ensure that the intensity of roof rail and the complete of Path of Force Transfer.
As shown in Figure 1, the middle part of outside plate body 1 is fixed with protruding reinforced rib 2 11, and reinforced rib 2 11 is arranged along the length direction of outside plate body 1.Protruding reinforced rib 2 11 is set in the middle part of outside plate body 1, the intensity of outside plate body 1 can be improved, make outside plate body 1 have better shock resistance, when automobile generation head-on crash, roof rail can be reduced and to be impacted the distortion produced.Cross-beam connecting plate 2 is fixed with reinforced rib 1, the outer end of cross-beam connecting plate 2 is free end 22, and the inner of cross-beam connecting plate 2 is connected on outside plate body 1, and reinforced rib 1 extends to the inner of cross-beam connecting plate 2 from the outer end of cross-beam connecting plate 2.Cross-beam connecting plate 2 arranges reinforced rib 1, improves the intensity of cross-beam connecting plate 2, further increase the Joint strenght of roof rail and automobile roof front beam 3.Reinforced rib 1 can be 2-4 bar, and each reinforced rib 1 is arranged side by side on cross-beam connecting plate 2.Reinforced rib 1 quantity is more, and the intensity of cross-beam connecting plate 2 is higher.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.