CN1847072A - Floor structure of vehicle body - Google Patents
Floor structure of vehicle body Download PDFInfo
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- CN1847072A CN1847072A CN 200610072473 CN200610072473A CN1847072A CN 1847072 A CN1847072 A CN 1847072A CN 200610072473 CN200610072473 CN 200610072473 CN 200610072473 A CN200610072473 A CN 200610072473A CN 1847072 A CN1847072 A CN 1847072A
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Abstract
A floor structure of a vehicle body capable of enhancing rigidity against a external force from a side of the vehicle body includes a pair of right and left side sills, a pair of front and rear cross members provided between the pair of right and left side sills, and a floor panel surrounded by the pair of right and left side sills and the pair of front and rear cross members. The floor panel is provided thereover with beads in a concentric arc shape spreading from parts at which the side sills and the cross members are vertically joined to each other. Reinforcement members are provided at corners defined by the side sills and the cross members in such a manner that the reinforcement members are slantingly placed and joined to the side sills and cross members.
Description
Technical field
The present invention relates to the car body floor structure of automobile, relate in particular to a kind of car body floor structure that can suitably disperse from the impact load of side.
Background technology
In the past, for the car body floor structure with floors such as automotive floor panels, as the technology that is used to improve its floor rigidity, people know for example that the spy opens the disclosed technology of flat 6-107234 communique.
As shown in Figure 7, floor 30 in the car body floor structure of Te Kaiping 6-107234 communique record, its structure comprise along a plurality of longitudinal rein forcements 31 of the fore-and-aft direction X of not shown car body and along not shown car body left and right directions Y and with a plurality of transverse stiffener ribs 32 of aforementioned longitudinal rein forcement 31 quadratures.The cross sectional shape of observing longitudinal rein forcement 31 from car body fore-and-aft direction X is not shown triangle, in addition, transverse stiffener rib 32 forms the state of the above-mentioned longitudinal rein forcement 31 of crosscut, and the concaveconvex shape that is made of its bottom 32a and top 32b continuously and be roughly rhombus in birds-eye view.Form rake 32c in the perimembranous of transverse stiffener rib 32, thus, the top 32b of transverse stiffener rib 32 forms the shape that the top 31b than longitudinal rein forcement 31 more projects upwards.
In addition, in the existing car body floor structure, welded joint has side bar in the both sides on floor, and, in the upwardly extending crossbeam welded joint of car body right and left in the front and back on floor, as required also can welded joint at the middle part on floor.In recent years, for intensity and the rigidity that improves vehicle, people consider and will improve the intensity of opposing from the collision of side, and make from the impact load of side and disperse.Open in the 2004-314729 communique invention disclosed for example spy,,, and load is disperseed with the intensity of raising opposing side impact load by the crossbeam that is located at the middle part, floor being run through and being arranged at the channel part that is formed on vehicle central continuously.
But as shown in Figure 7, from the external force of vehicle body side, for example applying the load that applies under the situation of impact load F is the center of circle with the position that is applied in load, on the floor 30 shown in arrow D among the figure radial spread.Because in the aforementioned existing car body floor structure, longitudinal rein forcement 31 and transverse stiffener rib 32 quadratures, and transverse stiffener rib 32 is roughly the shape of rhombus in birds-eye view, has the part (top 32b) that attenuates, therefore when the impact load F from vehicle body side applied, existing easy taper portion with transverse stiffener rib 32 was the problem that the center deforms.
In addition, also exist other problems in the aforementioned existing car body floor structure, promptly, side bar and the junction surface of crossbeam are to make the front end of crossbeam contact the sidepiece of side bar, then only through being welded, when side collision took place, the impact load from the side that is applied on the side bar can't be delivered to crossbeam, and causes the junction surface easy deformation of side bar and crossbeam.
For the thickness of slab that prevents from this distortion, consider to take to increase parts or by the method that big strengthening part improves intensity is set, but may increase car body weight, thereby cause bunkerage to increase.Therefore, need the light as far as possible high strength floor panel structure of a kind of weight.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of car body floor structure, this car body floor structure can improve the rigidity of opposing from vehicle body side external force, and can efficiently the external force from vehicle body side be passed to crossbeam.
The car body floor structure of the technical solution of the present invention 1 that can address the above problem has the floor, this floor is fenced up by left and right a pair of side bar and the forward and backward pair of beams that is erected between this left and right a pair of side bar, wherein, on above-mentioned floor, be formed with reinforced rib, this reinforced rib is that the bight with aforementioned side bar and aforementioned crossbeam quadrature is the center of circle, is the concentric circles arc.
By adopting technical scheme 1 described invention, forming the position of intersecting with side bar and beam vertical on the floor that is fenced up by left and right a pair of side bar and forward and backward pair of beams is the reinforced rib of the concentric circles arc in the center of circle, when impact load loads via side bar, owing to be provided with reinforced rib with directivity identical with the load direction of propagation, therefore reinforced rib can bear impact load with the state of support loads, thereby can suppress the distortion on floor.Therefore, obtained to resist from the external force of vehicle body side and improved the car body floor structure of rigidity.
The invention of technical scheme 2 forms a plurality of aforementioned reinforced ribs with the interval that equates on the basis of technical scheme 1 described car body floor structure.
By adopting technical scheme 2 described inventions, because a plurality of reinforced ribs that are interval with to equate, the floor local deformation that therefore can effectively prevent stress concentration and caused.
Adopt technical scheme 3 described inventions, because the floor has obtained the reinforcement of the passage of extension before and after car body central authorities, so the rigidity of car body floor structure is further enhanced.
By adopting technical scheme 4 described inventions, because the floor has obtained the reinforcement that end at least is fixed on floor crossmember on the left and right a pair of side bar, therefore can resist the external force that is applied on the side bar effectively, the rigidity of car body floor structure is further improved.
By adopting car body floor structure of the present invention, can improve the rigidity of opposing from vehicle body side external force, and, can effectively the impact load from the side that acts on the side bar be passed to crossbeam.In addition, adopt this car body floor structure can save the strengthening part that is located on the side bar, help the lighting of vehicle.
Description of drawings
Fig. 1 is a block diagram of mainly representing the body construction of compartment periphery, is used to illustrate the car body floor structure of first embodiment of the invention.
Fig. 2 is the birds-eye view of expression car body main portion equally.
Fig. 3 is the figure that represents reinforced rib with the cross section.
Fig. 4 (a)～(d) is the scheme drawing of test, and Fig. 4 (e) is a measurement result.
Fig. 5 (a)～(c) is the cutaway view of expression reinforced rib remodeling example.
Fig. 6 is the birds-eye view of the car body main portion of other example of expression.
Fig. 7 is the scheme drawing of prior art.
Fig. 8 is the overall perspective view of the car body floor structure of expression second embodiment.
Fig. 9 is the local amplification stereogram of Fig. 8, and Fig. 9 (a) represents right front part, and Fig. 9 (b) represents right back part.
Figure 10 is the birds-eye view of floor panel structure, is used to illustrate the effect of the floor panel structure of second embodiment.
Figure 11 (a) and (b) are amplification stereograms of first strengthening part of expression remodeling example.
The specific embodiment
(first embodiment)
Describe the car body floor structure of first embodiment of the invention with reference to the accompanying drawings in detail.Front, rear, left and right in the explanation and upper and lower are to the floor with the main portion that will constitute car body floor structure, being installed in the left and right a pair of side bar and the state on the forward and backward pair of beams that constitute car body is benchmark, and then is benchmark with the direction that the chaufeur of vehicle is seen.
In the accompanying drawing, Fig. 1 is a block diagram of mainly representing the body construction of compartment periphery, is used to illustrate the car body floor structure of first embodiment of the invention.Fig. 2 is the birds-eye view of expression car body main portion equally.
As shown in Figure 1, the car body floor structure 100a of first embodiment has roughly tetragonal floor 10, and this floor 10 is that front cross rail 2A, after cross member 2B surround by the forward and backward pair of beams that is configured in a pair of side bar 1,1 about car body A and be erected between this left and right a pair of side bar 1,1.
In addition, strengthened by passage 11 in floor 10, and this passage 11 is positioned at central portion and the front and back of front cross rail 2A and after cross member 2B and extends setting.
In addition, strengthened by floor crossmember 3,3 in floor 10, and this floor crossmember 3,3 couples together the central portion of left and right side bar 1,1 and passage 11, and direction is extended to the left and right.
Left and right sides side bar 1,1, front cross rail 2A, after cross member 2B, floor crossmember 3,3 form closed cross sectional shape by 2 layers with upper-part.
And (the roughly top of floor crossmember 3,3) is provided with not shown left and right 2 anterior seats above the substantial middle portion on such floor 10, and (the roughly top of after cross member 2B) is provided with not shown rear portion seat above the rear portion on floor 10.
In addition, extend in the place ahead of front cross rail 2A and to be provided with left and right a pair of front side frame 4,4, be provided with left and right a pair of rear side 5,5 at the rear extension of after cross member 2B.Left and right a pair of front side frame 4,4 its rear end combine with the not shown front portion of left and right a pair of side bar 1,1, and in addition, left and right a pair of rear side 5,5 its front ends combine with the rear portion of left and right a pair of side bar 1,1.
Left and right a pair of side bar 1,1 is located on the fore-and-aft direction of car body A along the and arranged on left and right sides portion on floor 10, and floor 10 for example is connected the inside portion of this left and right a pair of side bar 1,1 by welding.In addition, on left and right a pair of side bar 1,1, be fixed with center pillar 6,6 at the rear of the part of O 3 that floor crossmember 3,3 is installed, O3.Side bar 1,1 also can with the adjacent setting of Floor-board frame that is arranged on 10 both ends, floor along fore-and-aft direction, in this first embodiment,, only a side bar 1 is described as combining with Floor-board frame and being arranged on the parts at 10 both ends, floor along fore-and-aft direction.
As previously mentioned, floor 10 is fenced up and is formed by left and right a pair of side bar 1,1 and front cross rail 2A, after cross member 2B, and passage 11 and floor crossmember 3,3 amount to its separation to 4 floor thereby form front, rear, left and right.
In first embodiment, the reinforced rib 20 of concentric circles arc is outstanding respectively to be formed on these floor.Reinforced rib 20 is the center of circle with the position O1 (bight) that side bar 1 engages with front cross rail 2A quadrature respectively, and perhaps the position O2 (bight) that engages with after cross member 2B quadrature with side bar 1 is the center of circle, uniformly-spaced to form a plurality of concentric circles arcs.That is to say that reinforced rib 20 forms from the floor state that 10 four angle floor are the corrugated diffusion.In addition, position O1, the O2 of quadrature joint also comprise near the position of position O1, O2 that quadrature engages.
As shown in Figure 2, the reinforced rib 20 of Xing Chenging is in birds-eye view like this, and its end 21 is configured to the roughly state of quadrature of relative side bar 1, and reinforced rib 20 extends to the central authorities on floor 10 with circular arc.In addition, near front cross rail 2A and after cross member 2B, reinforced rib 20 extends to above-mentioned front cross rail 2A and after cross member 2B with circular arc.That is to say that reinforced rib 20 is such as described later, be formed on the floor 10 with the form that has with the roughly the same direction in the direction of propagation (direction shown in the arrow D among Fig. 2) of the impact load F that applies via side bar 1.
In first embodiment, roughly the forming on the whole of reinforced rib 20 10 each floor on the floor, in addition, as shown in Figure 3, its cross sectional shape is the semicircle that has with the floor same thickness.
Below, about having the car body floor structure 100a of said structure, mainly with reference to Fig. 2, to describing in the effect that has impact load F to be applied under the situation on the side bar 1.At this, impact load F is described via the situation that center pillar 6 is applied on the side bar 1.
As shown in Figure 2, when because side collision etc. when making that impact load F is applied on the side bar 1 via center pillar 6, its load propagates into side bar 1 from the bottom of center pillar 6, propagates with radial (direction shown in the arrow D) on floor 10.In other words, being corrugated on floor 10 shown in long and two-short dash line among the figure propagates.
As previously mentioned, owing to the reinforced rib 20 that with position O2 is the concentric circles arc in the center of circle is formed on the plate face on floor 10, so the load of diffusion is born by a plurality of reinforced ribs 20 respectively on floor 10.That is, because reinforced rib 20 is set to roughly quadrature of the ripple shown in its bearing of trend and the long and short dash line, so reinforced rib 20 can bring into play the resistant function of support type to load, thereby can suppress the distortion on floor 10.For confirming this point, the contriver has carried out following analogue test.
Shown in Fig. 4 (a)～(d), be that the forced displacement of 14 meter per seconds carries out this analogue test by center pillar 6 being applied from the speed of inboard, car body lateral, the load of bearing with floor tunnel 11 cooresponding parts is measured.Floor 10 has homogeneous thickness.
As a comparative example, prepare in addition: adopt the floor 10A that is not provided with reinforced rib car body floor structure (with reference to Fig. 4 (b)), adopt the floor 10B that is provided with the linearity reinforced rib 20B that extends along the left and right direction of car body car body floor structure (with reference to Fig. 4 (c)), adopt the car body floor structure (with reference to Fig. 4 (d)) of the floor 10C that is provided with the linearity reinforced rib 20C that extends along the car body fore-and-aft direction, and they are carried out same mensuration.Measurement result is shown in Fig. 4 (e).
The car body floor structure 100a of first embodiment shown in Fig. 4 (a) and the car body floor structure of the comparative example shown in Fig. 4 (b)～(d) are compared, by Fig. 4 (e) as can be known, the load that is measured to from the car body floor structure 100a of first embodiment is obviously bigger, can effectively improve the rigidity on floor 10.What need particularly point out is, the car body floor structure that has reinforced rib 20B among this car body floor structure 100a and Fig. 4 (c) is compared, and rigidity approximately is its 1.5 times, and described reinforced rib 20B is partly along the direction of propagation from the impact load F of vehicle body side.
By adopting the car body floor structure 100a of above-mentioned first embodiment, owing on the floor 10 that is fenced up by left and right a pair of side bar 1,1 and front cross rail 2A, after cross member 2B, be provided with reinforced rib 20, and this reinforced rib 20 has the identical directivity in the direction of propagation with the impact load F of input via side bar 1,1, therefore, reinforced rib 20 is support shape bearing load, thereby can suppress the distortion on floor 10.Therefore, this car body floor structure can be resisted the impact load F from vehicle body side, and rigidity is improved.
In addition, because so that a plurality of reinforced ribs 20 uniformly-spaced to be set, so can effectively prevent the local deformation on the floor 10 that stress causes.
Have again, owing to extend the passage 11 that is arranged on car body A central authorities strengthened in floor 10, so the rigidity of this car body floor structure is further improved by front and back.
In addition, because the floor crossmember 3,3 that is fixed on the left and right a pair of side bar 1,1 by end is at least strengthened floor 10, therefore can effectively resist the impact load F that is applied on the side bar 1,1, the rigidity of this car body floor structure is further improved.
(second embodiment)
Below, the car body floor structure of present invention will be described in detail with reference to the accompanying second embodiment.
Structural element identical with first embodiment in second embodiment is represented with same-sign.
Fig. 8 is the overall perspective view of the car body floor structure 100b of expression second embodiment.Fig. 9 is the part amplification stereogram of Fig. 1, and Fig. 9 (a) represents right front part, and Fig. 9 (b) represents right back part.In addition, identical with first embodiment, the front, back, left, right, up, down direction of mentioning in the explanation to second embodiment all is that to be installed in the left and right a pair of side bar that constitutes car body and the state on the forward and backward pair of beams with the floor that constitutes the car body floor structure main portion be benchmark, and then, be to be benchmark with the direction that the vehicle driver sees.
As shown in Figure 8, the car body floor structure 100b of car body B comprises: a pair of side bar 1,1 that constitutes ground-surface floor 10, compartment, engages respectively with the left and right sides on floor 10, extend a plurality of crossbeams that dispose along lateral direction of car.Each side bar 1,1 and each crossbeam form closed section by the parts more than 2 layers.
Crossbeam in second embodiment comprises: front cross rail 2A, and it is 10 front portion and the lower bond of dash shield 35 on the floor; Floor crossmember 3,3, its near the central authorities of the front and back on floor 10, just on the position of the bottom that is equivalent to front stall (not shown) to the left and right direction extend; After cross member 2B, its rear portion with floor 10 engages and direction extension to the left and right.Each crossbeam is arranged on the direction with cooresponding side bar 1 quadrature, and left and right side bar 1,1, front cross rail 2A and after cross member 2B form rectangular framework in birds-eye view.In addition, front cross rail 2A also can form one as before enclosing crossbeam with dash shield 35, and described dash shield 35 separates compartment and car bonnet inside.In addition, a pair of side bar 1,1 can also with the adjacent formation of floor frame of the both sides that are located at floor 10 along fore-and-aft direction, but in second embodiment, the parts as on the both sides that combine, are located at along fore-and-aft direction floor 10 with floor frame only describe a side bar 1.
For improving the rigidity on floor 10, the passage 11 that extends before and after the centre of 10 left and right directions forms on the floor.And 2 front side frames 4 that forwards extend and 2 rear side 5 of rearward extending engage with the lower surface on floor 10.
At left and right side bar 1,1 and O1 place, front cross rail 2A bonded assembly bight, be provided with relative first strengthening part 41 that they are obliquely installed and engage with them.
Shown in Fig. 9 (a), first strengthening part 41 comprises: inclined plane part 41a; Sidewall 41b, it is connected with inclined plane part 41a and extends upward along the medial surface 1a (in the compartment surface of a side) of side bar 1; Antetheca 41c, it is connected with inclined plane part 41a and extends upward along the medial surface 2Aa (in the compartment surface of a side) of front cross rail 2A.
The 10 flange 41d that extend are formed on the lower end of inclined plane part 41a along the floor, and flange 41e is formed on the upper end of sidewall 41b along the upper surface of side bar 1, and flange 41f is formed on the upper end of antetheca 41c along the upper surface of front cross rail 2A.
And each flange 41d, 41e, 41f are spoted weld "+" mark on floor 10, side bar 1 and the front cross rail 2A respectively.
Front left side junction surface at side bar 1 and front cross rail 2A is provided with symmetrical first strengthening part 41 (strengthening part) equally.
Like this, first strengthening part 41 is located at by side bar 1 and the bight that front cross rail 2A forms, and the junction surface of the two is strengthened.First strengthening part 41 is not limited to the shape shown in Fig. 9 (a), also can form to front side frame 4 extensions and with front side frame 4 to weld.
As shown in Figure 8, be provided with in the bight that left and right side bar 1 and after cross member 2B engage relative they be obliquely installed also engaged second strengthening part 42 (strengthening part).
After cross member 2B was cut off before arriving side bar 1 place, and second strengthening part 42 tilts to be connected with side bar 1, and side bar 1 is prolonged on left and right directions.
Shown in Fig. 9 (b), second strengthening part 42 comprises: upper surface part 42a, and the vehicle central side of its left and right directions is extended along the upper surface of after cross member 2B, and its vehicle both sides diagonally extending forwards; Antetheca 42b, its front end from upper surface part 42a extends downwards.
Like this, second strengthening part 42 is located on the bight that is formed by side bar 1 and after cross member 2B, and the junction surface of the two is strengthened.
Be formed with the reinforced rib identical on the floor 10 of second embodiment with the described reinforced rib of first embodiment 20.As shown in Figure 8, on floor 10, position (bight) O1 that engages with front cross rail 2A quadrature with side bar 1 is the center of circle, extend to form a plurality of reinforced ribs 20 along isocentric circular arc, and the bight that engages with after cross member 2B quadrature with side bar 1 is the center of circle, extends to form a plurality of reinforced ribs 20 along isocentric circular arc.The cross section of above-mentioned reinforced rib 20 can be the representative type semicircle, can also be trapezoidal or chevron.
The following describes the action effect of the car body floor structure of second embodiment that constitutes as mentioned above.
Figure 10 is the birds-eye view of car body floor structure 100b of effect that is used to illustrate the car body floor structure 100b of second embodiment.
The floor panel structure 100b of second embodiment constitutes the quadrangle shape by side bar 1, front cross rail 2A and after cross member 2B, and this bight, tetragonal front side is strengthened in the mode that combines with side bar 1 and front cross rail 2A obliquely by first strengthening part 41.Therefore, can guarantee the intensity and the rigidity in this bight, and suppress the distortion of side bar 1 and front cross rail 2A.In addition, tetragonal rear corners is strengthened in the mode that combines with side bar 1 and after cross member 2B obliquely by second strengthening part 42, can guarantee the intensity and the rigidity in this bight, and suppresses side bar 1 and after cross member 2B distortion.
As shown in figure 10, when causing having impact load F to apply from vehicle collision of car body B side etc., shown in thick arrow F1, this load can easily be delivered to front cross rail 2A by first strengthening part 41 from side bar 1.At this moment, first strengthening part 41 is between front cross rail 2A and the side bar 1, plays the effect of supporting opposing, is fulcrum and bending thereby can suppress side bar 1 with the binding site C1 of itself and front cross rail 2A.This is further described, and under the situation that does not have first strengthening part 41, side bar 1 is that fulcrum bends with the binding site C1 of itself and front cross rail 2A, and the distance L 1 of point of action and binding site C1 is longer.That is it is bigger, to act on the moment of flexure of side bar 1 front portion.Relative therewith, under the situation that is provided with first strengthening part 41, because the bearing force of first strengthening part 41, first strengthening part 41 becomes fulcrum with the binding site C2 of side bar 1, and this fulcrum shortens apart from the distance L 2 of point of action.Therefore, the moment of flexure that acts on the side bar 1 reduces.
Equally, shown in arrow F2, can easily be delivered to after cross member 2B by second strengthening part 42 from side bar 1 from the impact load F of side.At this moment, because second strengthening part 42 forms the bang path of power smoothly between after cross member 2B and side bar 1, therefore the load that acts on the side bar 1 can be delivered to after cross member 2B effectively, and the distortion of side bar 1 is inhibited.
In addition, as shown in figure 10, though the impact load F from the side is delivered on the floor 10 as thick long and two-short dash line ripple, but identical with situation illustrated in first embodiment, act on load on the floor 10 by by being positioned at 10 4 jiaos on floor, being reinforced rib 20 absorptions of the concentric circles arc in the center of circle with the bight of the quadrature of side bar and aforementioned crossbeam.That is, because the bearing of trend of reinforced rib 20 and long and two-short dash line ripple quadrature roughly so this reinforced rib 20 can be brought into play the resistant function of support type to load, can suppress the distortion on floor 10.Further specify, reinforced rib 20 will pass to front cross rail 2A and after cross member 2B from the impact load F of side.
Shown in arrow F3, F4,, can not make side bar 1 bending, so can be delivered to front side frame 4 and rear side 5 effectively owing to pass through from first strengthening part 41 and second strengthening part 42 from the impact load F of side.
Like this, first strengthening part 41 and second strengthening part 42 by adopting second embodiment can suppress the bending of side bar 1, and make side bar 1, front cross rail 2A and after cross member 2B become the phantom frame structure, promptly similar to slab structure can suppress the distortion of each parts, and improves the rigidity of car body B.And, can be transmitted (dispersions) effectively to front cross rail 2A and after cross member 2B via first strengthening part 41 and second strengthening part 42 from the impact load F of side.Thus, can suppress to constitute the distortion on side bar 1, front cross rail 2A, after cross member 2B and the floor 10 of car body floor structure 100b.
Embodiments of the present invention have been described above, but the present invention is not limited to aforementioned embodiments, can carries out suitable change according to the aim of invention.
In first embodiment, for example, shown in Fig. 5 (a), reinforced rib 20 can protrude the circular arc littler than semicircle, in addition, can also be depicted as quadrangular section as Fig. 5 (b), perhaps is depicted as chevron (triangle) cross section as Fig. 5 (c).
In addition, as shown in Figure 6, floor crossmember can also be set, and on its position, form the reinforced rib 20 of concentric circles arc.Because in this case, be reinforced rib 20 to be set equally, so reinforced rib 20 can bear impact load F under the state of support loads, thereby can suppress the distortion on floor 10 along the direction identical with the direction of propagation of impact load F.
In addition, in second embodiment, for example, after cross member 2B was cut off before arriving side bar 1 place, and engaged with side bar 1 by second strengthening part 42, also after cross member 2B can be made as and side bar 1 direct connect.
In addition, Figure 11 (a), Figure 11 (b) are the amplification stereograms of first strengthening part in the expression remodeling example.In second embodiment, first strengthening part 41 is formed with inclined plane part 41a, but also can shown in Figure 11 (a), constitute microscler first strengthening part 43 of hat section, these first strengthening part, 43 relative side bars 1 and front cross rail 2A are provided with obliquely and engage.In addition, can also omit reinforced rib 20 on the floor 10.
In addition, can also be shown in Figure 11 (b), do not form inclined plane part 41a, have leg-of-mutton upper surface part 44a and sidewall 44b but first strengthening part 44 constituted, wherein, described upper surface part 44a is corresponding with side bar 1 and the formed bight of front cross rail 2A, and described sidewall 44b extends straight down from upper surface part 44a, and side bar 1 is connected obliquely with front cross rail 2A.
But, because the part of stretching out in the compartment of these first strengthening parts 43,44 is bigger, so if first strengthening part 41 with inclined plane part 41a in the employing aforementioned embodiments then can play booster action fully when increasing the space, compartment.
Claims (11)
1, a kind of car body floor structure, it has the floor, and this floor is fenced up by left and right a pair of side bar and the forward and backward pair of beams that is erected between this left and right a pair of side bar, it is characterized in that,
Be formed with reinforced rib on above-mentioned floor, this reinforced rib is that the position with aforementioned side bar and aforementioned crossbeam quadrature is the center of circle, is the concentric circles arc.
2, car body floor structure as claimed in claim 1 is characterized in that,
Form a plurality of above-mentioned reinforced ribs, and make between each reinforced rib and have identical distance.
3, car body floor structure as claimed in claim 1 is characterized in that,
By be arranged on car body central authorities and in front and back upwardly extending floor tunnel strengthen aforementioned floor.
4, car body floor structure as claimed in claim 2 is characterized in that,
By be arranged on car body central authorities and in front and back upwardly extending floor tunnel strengthen aforementioned floor.
5, as claim 1 each described car body floor structure to the claim 4, it is characterized in that,
It is fixed on floor crossmember on the above-mentioned left and right a pair of side bar end at least, strengthens above-mentioned floor by this floor crossmember.
6, a kind of car body floor structure, it has the floor, and this floor is fenced up by left and right a pair of side bar and the forward and backward pair of beams that is erected between this left and right a pair of side bar, it is characterized in that,
At above-mentioned side bar and the formed bight of above-mentioned crossbeam strengthening part is set, this strengthening part is skewed configuration with respect to above-mentioned side bar and above-mentioned crossbeam and is connected respectively with above-mentioned crossbeam with above-mentioned side bar.
7, car body floor structure as claimed in claim 6 is characterized in that,
Above-mentioned strengthening part also is connected with above-mentioned floor.
8, car body floor structure as claimed in claim 6 is characterized in that,
Above-mentioned strengthening part has with respect to above-mentioned floor and is skewed dip plane, and the medial surface of this dip plane and above-mentioned side bar, the medial surface of above-mentioned crossbeam and above-mentioned floor constitute a tetrahedron.
9, car body floor structure as claimed in claim 7 is characterized in that,
Above-mentioned strengthening part has with respect to above-mentioned floor and is skewed dip plane, and the medial surface of this dip plane and above-mentioned side bar, the medial surface of above-mentioned crossbeam and above-mentioned floor constitute a tetrahedron.
10, as claim 6 each described car body floor structure to the claim 9, it is characterized in that,
Be formed with reinforced rib on above-mentioned floor, this reinforced rib is the center of circle with the position of aforementioned side bar and aforementioned crossbeam quadrature, is the concentric circles arc.
11, car body floor structure as claimed in claim 10 is characterized in that,
Be formed with a plurality of above-mentioned reinforced ribs, and make between each reinforced rib and have identical distance.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005117951A JP4283780B2 (en) | 2005-04-15 | 2005-04-15 | Body floor structure |
| JP117951/2005 | 2005-04-15 | ||
| JP120520/2005 | 2005-04-19 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101524413A Division CN101157371B (en) | 2005-04-15 | 2006-04-17 | Floor structure of vehicle body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1847072A true CN1847072A (en) | 2006-10-18 |
| CN100389040C CN100389040C (en) | 2008-05-21 |
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ID=37076879
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101524413A Expired - Fee Related CN101157371B (en) | 2005-04-15 | 2006-04-17 | Floor structure of vehicle body |
| CNB2006100724738A Expired - Fee Related CN100389040C (en) | 2005-04-15 | 2006-04-17 | Floor structure of vehicle body |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101524413A Expired - Fee Related CN101157371B (en) | 2005-04-15 | 2006-04-17 | Floor structure of vehicle body |
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| Country | Link |
|---|---|
| JP (1) | JP4283780B2 (en) |
| CN (2) | CN101157371B (en) |
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| CN101289100B (en) * | 2007-04-20 | 2010-06-09 | 本田技研工业株式会社 | Floor structure for vehicle |
| CN101289102B (en) * | 2007-04-20 | 2010-06-09 | 本田技研工业株式会社 | Floor panel for vehicle |
| CN101966857A (en) * | 2010-07-30 | 2011-02-09 | 奇瑞汽车股份有限公司 | Car passenger compartment floor rib arrangement structure |
| CN102137785A (en) * | 2008-11-17 | 2011-07-27 | 丰田自动车株式会社 | Vehicle floor structure |
| CN103407499A (en) * | 2013-08-29 | 2013-11-27 | 长城汽车股份有限公司 | Floor reinforcing device applied to inside of vehicle and vehicle body structure |
| CN104349971A (en) * | 2012-06-08 | 2015-02-11 | 本田技研工业株式会社 | Fibre-reinforced plastic (FRP) cabin for vehicle |
| CN106103250A (en) * | 2014-03-14 | 2016-11-09 | 新日铁住金株式会社 | Plate |
| CN107176209A (en) * | 2016-03-09 | 2017-09-19 | 北汽福田汽车股份有限公司 | Side bar and vehicle |
| CN112441136A (en) * | 2019-09-03 | 2021-03-05 | 马自达汽车株式会社 | Front body structure of vehicle |
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| JP4675931B2 (en) * | 2007-04-20 | 2011-04-27 | 本田技研工業株式会社 | Body floor structure |
| JP4966104B2 (en) * | 2007-06-18 | 2012-07-04 | 本田技研工業株式会社 | Auto body structure |
| JP4875558B2 (en) * | 2007-07-12 | 2012-02-15 | 本田技研工業株式会社 | Body frame structure |
| TWI361766B (en) | 2007-07-12 | 2012-04-11 | Honda Motor Co Ltd | Vehicle body frame structure |
| CN102378714B (en) * | 2009-05-13 | 2014-12-03 | 丰田自动车株式会社 | Vehicle body structure |
| CN103339021B (en) * | 2011-02-03 | 2016-03-23 | 帝人株式会社 | Floor structure |
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| US9327666B2 (en) * | 2014-03-12 | 2016-05-03 | Ford Global Technologies, Llc | Passive structural design that improves impact signal during side impact |
| JP6519565B2 (en) * | 2016-10-11 | 2019-05-29 | トヨタ自動車株式会社 | Floor panel |
| JP6766771B2 (en) * | 2017-07-25 | 2020-10-14 | トヨタ自動車株式会社 | Body front structure |
| JP2021142763A (en) * | 2018-04-11 | 2021-09-24 | 本田技研工業株式会社 | Body structure of automobile |
| JP2021142764A (en) * | 2018-04-11 | 2021-09-24 | 本田技研工業株式会社 | Body structure of automobile |
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| JPH06107234A (en) * | 1992-09-22 | 1994-04-19 | Toyota Motor Corp | Structure of car body floor plate |
| US5388885A (en) * | 1993-02-01 | 1995-02-14 | General Motors Corporation | Body structure of a motor vehicle |
| US5362120A (en) * | 1993-04-05 | 1994-11-08 | Ford Motor Company | Vehicle body construction and method for inspection of adhesively secured joints therein |
| JPH07257425A (en) * | 1994-03-18 | 1995-10-09 | Honda Motor Co Ltd | Subframe mounting structure of body for automobile |
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| JP2005067491A (en) * | 2003-08-26 | 2005-03-17 | Honda Motor Co Ltd | Vehicle body structure |
-
2005
- 2005-04-15 JP JP2005117951A patent/JP4283780B2/en not_active Expired - Fee Related
-
2006
- 2006-04-17 CN CN2007101524413A patent/CN101157371B/en not_active Expired - Fee Related
- 2006-04-17 CN CNB2006100724738A patent/CN100389040C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289100B (en) * | 2007-04-20 | 2010-06-09 | 本田技研工业株式会社 | Floor structure for vehicle |
| CN101289102B (en) * | 2007-04-20 | 2010-06-09 | 本田技研工业株式会社 | Floor panel for vehicle |
| CN102137785A (en) * | 2008-11-17 | 2011-07-27 | 丰田自动车株式会社 | Vehicle floor structure |
| CN101966857A (en) * | 2010-07-30 | 2011-02-09 | 奇瑞汽车股份有限公司 | Car passenger compartment floor rib arrangement structure |
| CN101966857B (en) * | 2010-07-30 | 2012-10-24 | 奇瑞汽车股份有限公司 | Car passenger compartment floor rib arrangement structure |
| CN104349971A (en) * | 2012-06-08 | 2015-02-11 | 本田技研工业株式会社 | Fibre-reinforced plastic (FRP) cabin for vehicle |
| CN103407499A (en) * | 2013-08-29 | 2013-11-27 | 长城汽车股份有限公司 | Floor reinforcing device applied to inside of vehicle and vehicle body structure |
| CN106103250A (en) * | 2014-03-14 | 2016-11-09 | 新日铁住金株式会社 | Plate |
| CN106103250B (en) * | 2014-03-14 | 2019-04-05 | 新日铁住金株式会社 | Plate |
| US10272954B2 (en) | 2014-03-14 | 2019-04-30 | Nippon Steel & Sumitomo Metal Corporation | Panel |
| CN107176209A (en) * | 2016-03-09 | 2017-09-19 | 北汽福田汽车股份有限公司 | Side bar and vehicle |
| CN107176209B (en) * | 2016-03-09 | 2019-06-14 | 北京宝沃汽车有限公司 | Side bar and vehicle |
| CN112441136A (en) * | 2019-09-03 | 2021-03-05 | 马自达汽车株式会社 | Front body structure of vehicle |
| CN112441136B (en) * | 2019-09-03 | 2023-03-10 | 马自达汽车株式会社 | Front body structure of vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4283780B2 (en) | 2009-06-24 |
| CN101157371B (en) | 2010-06-02 |
| CN100389040C (en) | 2008-05-21 |
| CN101157371A (en) | 2008-04-09 |
| JP2006297966A (en) | 2006-11-02 |
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