CN101121423A - Automobile body floor middle structure - Google Patents
Automobile body floor middle structure Download PDFInfo
- Publication number
- CN101121423A CN101121423A CNA2006100300139A CN200610030013A CN101121423A CN 101121423 A CN101121423 A CN 101121423A CN A2006100300139 A CNA2006100300139 A CN A2006100300139A CN 200610030013 A CN200610030013 A CN 200610030013A CN 101121423 A CN101121423 A CN 101121423A
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- front seat
- seat crossbeam
- interior beam
- described left
- automobile body
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Abstract
The present invention discloses a middle part structure of a floor of a car body, comprising a front floor, a motherboard of an operation board fixed on the front floor, a left anterior seat beam and a right anterior seat beam arranged on the motherboard of the operation board, a left internal vertical beam connected with the left anterior seat beam and a right internal vertical beam connected with the right anterior seat beam. The technic problem solved by the present invention is to provide a middle part structure of the floor of the car body to solve the safety problem for a side collision.
Description
Technical field
The present invention relates to a kind of body platform central structure, particularly a kind of automobile body floor central structure.
Background technology
At present, the safety of automobile becomes the emphasis that the customer pays close attention to gradually.Along with the development of automotive electronic technology, such as belt with pre-load device, up-to-date technologys such as anti-locking braking system (ABS), electronic stabilization device (ESP), safety air bag are applied on the automobile car manufactures with a series of.Meanwhile car manufactures under the situation that guarantees certain economy, also improves the safety of vehicle body in collision process as much as possible in the Automobile Body Design process.The four corners of China's urban highway is based on level crossing, show that according to statistics the incidence of automobile side impact traffic accident in 1998 accounts for 31.65% of whole traffic accident, serious number of injured people accounts for 30.15%, and these two indexs have all surpassed the corresponding data of head-on crash accident.Therefore, country has formulated and has implemented new side collision rules.
In the side collision process, owing to vehicle body especially car door position, position, bottom of door floor gross distortion, dwindled the space in member cabin, very easily the occupant is caused serious injury.At this situation, car manufactures generally adopts the front chair crossbeam of profile complexity and increases and strengthens part on the floor at present, perhaps adopts very thick steel plate.But so just exist some such as the forming parts difficulty, complex manufacturing, the part condemnation factor is big, a series of problems that productive costs is high.And further say the customer in use, and because tare can not get effective control, increased oil consumption, improved use cost.
Application number is 200410080735.6, and denomination of invention discloses a kind of vehicle chassis structure for the Chinese invention patent application of " chassis structure of vehicle ".The chassis structure of the described a kind of vehicle of this application comprises: a pair of longeron, along two sides direction extension forwards, backwards of vehicle, when being applied in impulsive force, can on fore-and-aft direction, be buckled; Crossbeam extends along the overall width direction, and is erected between the described a pair of longeron; And connection structure, be used for described crossbeam is connected described longeron, when when fore-and-aft direction applies impulsive force above specified value to described crossbeam, described crossbeam is broken away from from described longeron.Though this application can actv. absorbs the impulsive force from the place ahead, the impulsive force that produces for side impact can't fully absorb by crossbeam, still has potential safety hazard.
Therefore, how to strengthen automotive floor panel intensity in the automobile body floor central structure, solving side face collision safety is the problem that needs solution at present.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of automobile body floor central structure, strengthens automotive floor panel intensity, solves the problem of side face collision safety.
Specifically, a kind of automobile body floor central structure provided by the invention comprises, preceding floor, be fixed on the operating console base plate on the described preceding floor, be installed in left front seat crossbeam and right front seat crossbeam on the described operating console base plate, the left interior beam that links to each other with described left front seat crossbeam; And the right interior beam that links to each other with described right front seat crossbeam.
The cross-sectional plane of described left front seat crossbeam and right front seat crossbeam is " several " font.
The cross-sectional plane of the side that described left front seat crossbeam and right front seat crossbeam and described operating console base plate fix is " several " font that the both sides riser has concaved.
The cross-sectional plane of the side that described left front seat crossbeam and right front seat crossbeam are connected with right interior beam with described left interior beam respectively is " several " font.
The top of described left front seat crossbeam and right front seat crossbeam is that the middle part concaves, the shape that protrude both sides.
The cross-sectional plane of described left interior beam and right interior beam is side " several " font.
The cross-sectional plane of described left interior beam and right interior beam is that the middle part, side has concaved " several " font that the similar side that outwards protrude at the two ends, side is fallen.
Described left interior beam and right interior beam to draw along the degree of depth be 37mm to 45mm.
Described left front seat crossbeam and right front seat crossbeam adopt the thick phosphorous steel plate of 1.5mm.
Described left front seat crossbeam and right front seat crossbeam are provided for installing the mounting hole of seat.
Compare with above-mentioned prior art, because the present invention is when vehicle generation side collision, the energy that the left and right interior beam at automobile body floor central structure middle part and left and right front chair crossbeam carrying foreign object or body side wall pass over, and it is progressively decomposed to whole vehicle body.Therefore the present invention can solve the problem of side face collision safety.
Description of drawings
Fig. 1 is an automobile body floor central structure scheme drawing of the present invention;
Fig. 2 is the left front seat crossbeam of a present invention block diagram;
Fig. 3 is the left front seat crossbeam of a present invention birds-eye view;
Fig. 4 is the left front seat crossbeam of a present invention A-A face cutaway view;
Fig. 5 is the left front seat crossbeam of a present invention B-B face cutaway view;
Fig. 6 is the left front seat crossbeam of a present invention C-C face cutaway view;
Fig. 7 is the present invention left side interior beam front view;
Fig. 8 is the present invention left side interior beam D-D face cutaway view;
Fig. 9 is the present invention left side interior beam E-E face cutaway view;
Figure 10 is the present invention left side interior beam F-F face cutaway view.
The specific embodiment
The technical problem to be solved in the present invention is to provide a kind of body platform central structure simple in structure, solves the problem of side face collision safety.
Specify embodiments of the present invention below in conjunction with accompanying drawing.
Automobile body floor central structure of the present invention is referring to shown in Figure 1.For well solving collision safety, automobile body floor central structure of the present invention comprises left interior beam assembly, right interior beam assembly, operating console floor assembly, left front seat crossbeam assembly, right front seat crossbeam assembly, preceding floor assembly.Above-mentioned total Chengdu is made up of a plurality of corresponding parts.
Among Fig. 1,3 is left interior beam, and 4 is right interior beam, and 1 is the operating console floor, and 5 is left front seat crossbeam, and 6 is right front seat crossbeam, and 2 is preceding floor.
The specific embodiment of the invention:
The part of forming corresponding assembly forms cooresponding assembly by spot welding or carbon-dioxide arc welding.Left side interior beam 3 assemblies, right interior beam 4 assemblies, operating console floor 1 assembly, left front seat crossbeam 5 assemblies, right front seat crossbeam 6 assemblies after preceding floor 2 always is shaped as, adopt spot welding that above-mentioned all assemblies are welded into the automobile body floor central structure again.
The cardinal principle of automobile body floor central structure of the present invention safety is: when automobile generation side collision, and the energy that left interior beam 3, right interior beam 4 and the left front seat crossbeam 5 at body platform of the present invention middle part, right front seat crossbeam 6 carrying foreign objects or body side wall pass over.And the energy that foreign object or body side wall pass over is progressively decomposed to whole vehicle body.Sharp-featured operating console base plate 1 assembly in body platform of the present invention middle part, middle left front seat crossbeam 5 and right front seat crossbeam 6 make described body platform middle part have bigger rigidity and the antitorque ability of bending resistance.Left front seat crossbeam 5, right front seat crossbeam 6 adopt closed cavity shape structure, have further increased non-deformability.
In mechanics, crossbeam is stressed follows following formula with Deflection Relationship:
(f)
p＝Pl
3/48EI
Wherein: f represents the amount of deflection of beam;
P represents the effect of the power that beam is subjected to;
L represents the length of beam;
E represents the modulus of elasticity of material;
I represents the moment of inertia of beam;
I＝∏d
4/64。
By following formula as seen, when identical, sectional area is big more when stressed, and cooresponding amount of deflection is more little.
Because the cross-sectional area of cavity shape structure is little, so non-deformability is that amount of deflection is big.This just makes that the energy force rate general automobiles floor panel structure of car body impact resistance is bigger.And, also make auto body weight saving owing to adopted cavity body structure.
Referring to Fig. 2, this figure is the left front seat crossbeam of a present invention block diagram.
Chair mounted hole 51 can also be offered in the two ends of left front seat crossbeam 5 of the present invention, and front chair just can be directly installed on the described left front seat crossbeam 5 like this.Can save left front chair mounted support, reduce the bodywork parts number, reduce productive costs.Right front seat crossbeam 6 of the present invention in position also can be offered the chair mounted hole, saves right front chair mounted support.The left front seat crossbeam 5 of the present invention, right front seat crossbeam 6 not only are used for carrying, can also be used to install front chair.
Because left front seat crossbeam 5 and right front seat crossbeam 6 are the left-right symmetric structure.Be example only below, specify the structure of left front seat crossbeam 5 with left front seat crossbeam 5.
Referring to Fig. 3 to Fig. 6, Fig. 3 is the left front seat crossbeam of a present invention birds-eye view; Fig. 4 is the left front seat crossbeam of a present invention A-A face cutaway view; Fig. 5 is the left front seat crossbeam of a present invention B-B face cutaway view; Fig. 6 is the left front seat crossbeam of a present invention C-C face cutaway view.
The cross-sectional plane of described left front seat crossbeam 5 is " several " font.Described left front seat crossbeam 5 fixes with described operating console base plate 1, and therefore left front seat crossbeam 5 forms closed cavity shape structure with described operating console base plate 1.And because the cross-sectional area of cavity shape structure is little, so that non-deformability is an amount of deflection is big.So just make that the energy force rate general automobiles floor impact resistant capability of car body impact resistance is big.
Described left front seat crossbeam 5 is similarly " several " font with the cross-sectional plane of the side that described operating console base plate 1 fixes, and all adopts the boss structure that has concaved on the described left front seat crossbeam 5 cross-sectional plane both sides risers.And the top of described left front seat crossbeam 5 can also have certain inclination angle with level.Concrete shape is referring to shown in Figure 5.
Described left front seat crossbeam 5 is " several " font with the cross-sectional plane of the side that described left interior beam 3 is connected.Concrete shape is referring to shown in Figure 6.
The A-A face cutaway view (Fig. 4) of described left front seat crossbeam 5 is the left view on the top of described left front seat crossbeam 5.The top of described left front seat crossbeam 5 side that is connected with described left interior beam 3 has two boss of front chair crossbeam 5 internal protrusion left, and the side that the top of described left front seat crossbeam 5 links to each other with described operator's station floor 1 has the boss of front chair crossbeam 5 internal protrusion left.Concrete structure is referring to shown in Figure 4.
Preferred implementation of the present invention: described left front seat crossbeam 5 and described right front seat crossbeam 6 adopt the thick phosphorous high tensile steel plate of 1.5mm (B250P1).Phosphorous high tensile steel plate is because yield strength can reach 250MPa even 360MPa, and yield strength is far longer than general steel plate.Thereby described left front seat crossbeam 5 and described right front seat crossbeam 6 only have under the situation of 1.5mm at thickness, has good crashworthiness.And owing to adopted the also corresponding car load tare that alleviated of the thick phosphorous high tensile steel plate of 1.5mm.
Main body in the left and right interior beam assembly is symmetrical left interior beam 3, right interior beam 4.Because in the side collision process, left interior beam 3, right interior beam 4 are the parts that directly bear collision impact power, so its structure design is extremely important to the influence of side impact.The present invention has carried out shallow drawing high to left interior beam 3, right interior beam 4, makes left interior beam 3, right interior beam 4 have on the basis of good punch forming process, guarantees that it has the rigidity of good opposing impulsive force.In addition, left interior beam 3, right interior beam 4 cross-sectional planes are " several " font, make itself and gusset correlated parts form an osed top cavity, have the antitorque and shock-resistant ability of good bending resistance.
Because left interior beam 3 and right interior beam 4 are the left-right symmetric structure, are the structure that example specifies left interior beam 3 with left interior beam 3 below.
Concrete structure is extremely shown in Figure 10 referring to Fig. 7.Fig. 7 is the present invention left side interior beam front view; Fig. 8 is the present invention left side interior beam D-D face cutaway view; Fig. 9 is the present invention left side interior beam E-E face cutaway view; Figure 10 is the present invention left side interior beam F-F face cutaway view.
Described left interior beam 3 to draw along the degree of depth be 37mm, referring to Fig. 9.Drawing along the degree of depth of left interior beam 3 of the present invention can be 37mm to 45mm.Owing to adopt less drawing along the degree of depth, can guarantee part favorable rigidity and intensity, and be easy to moulding more, reduce difficulty of processing.
" several " font that the cross-sectional plane of described left interior beam 3 adopts side to fall, and left interior beam 3 left side boards have a boss that has concaved, and concrete structure is referring to Fig. 8 to Figure 10.Referring to Fig. 8, the position of the boss of cross section is positioned at the centre of described left interior beam 3 left side boards substantially in the described left interior beam 3.Referring to Fig. 9, the position of the boss of the rear end cross-sectional plane of described left interior beam 3 is near the top of described left interior beam 3.Referring to Figure 10, the position of the boss of the front end cross-sectional plane of described left interior beam 3 is near the bottom of described left interior beam 3, and this boss width be described left interior beam 3 left side boards width 1/5 to 1/4.
The left interior beam assembly that floor of the present invention central structure is related; right interior beam assembly; the operating console floor assembly; left front seat crossbeam assembly; right front seat crossbeam assembly and the part of forming these total members all adopt two kinds of welding manners of spot welding and CO2 gas shield arc welding in fitting process.Because the preferred embodiment for the present invention only adopts this two kinds of methods commonly used, obviously can improve the commonality of equipment, has reduced the input of manufacturing enterprise's equipment, and the maintenance cost of relevant device.Certain floor of the present invention central structure can also adopt other welding manner or connection mode to assemble, and does not repeat them here.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an automobile body floor central structure is characterized in that, comprises, preceding floor, be fixed on the operating console base plate on the described preceding floor, be installed in left front seat crossbeam and right front seat crossbeam on the described operating console base plate, the left interior beam that links to each other with described left front seat crossbeam; And the right interior beam that links to each other with described right front seat crossbeam.
2. automobile body floor central structure according to claim 1 is characterized in that, the cross-sectional plane of described left front seat crossbeam and right front seat crossbeam is " several " font.
3. automobile body floor central structure according to claim 2 is characterized in that, the cross-sectional plane of the side that described left front seat crossbeam and right front seat crossbeam and described operating console base plate fix is " several " font that the both sides riser has concaved.
4. automobile body floor central structure according to claim 2 is characterized in that, the cross-sectional plane of the side that described left front seat crossbeam and right front seat crossbeam are connected with right interior beam with described left interior beam respectively is " several " font.
5. automobile body floor central structure according to claim 1 is characterized in that, the top of described left front seat crossbeam and right front seat crossbeam is that the middle part concaves, the shape that protrude both sides.
6. automobile body floor central structure according to claim 1 is characterized in that, the cross-sectional plane of described left interior beam and right interior beam is " several " font of side.
7. automobile body floor central structure according to claim 6 is characterized in that, the cross-sectional plane of described left interior beam and right interior beam is that the middle part, side has concaved " several " font that the similar side that outwards protrude at the two ends, side is fallen.
8. automobile body floor central structure according to claim 1 is characterized in that, described left interior beam and right interior beam to draw along the degree of depth be 37mm to 45mm.
9. automobile body floor central structure according to claim 1 is characterized in that, described left front seat crossbeam and right front seat crossbeam adopt the thick phosphorous steel plate of 1.5mm.
10. automobile body floor central structure according to claim 1 is characterized in that, described left front seat crossbeam and right front seat crossbeam are provided for installing the mounting hole of seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100300139A CN101121423A (en) | 2006-08-08 | 2006-08-08 | Automobile body floor middle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100300139A CN101121423A (en) | 2006-08-08 | 2006-08-08 | Automobile body floor middle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101121423A true CN101121423A (en) | 2008-02-13 |
Family
ID=39083974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100300139A Pending CN101121423A (en) | 2006-08-08 | 2006-08-08 | Automobile body floor middle structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN101121423A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010051A (en) * | 2012-12-08 | 2013-04-03 | 芜湖市顺昌汽车配件有限公司 | Beam assembly of automobile seat |
| CN103101580A (en) * | 2012-11-30 | 2013-05-15 | 芜湖市顺昌汽车配件有限公司 | Automobile fixing and strengthening support |
| CN106029483A (en) * | 2014-02-25 | 2016-10-12 | 宝马股份公司 | Polyethylene-2,6-naphthalate composition with excellent blow moldability, and molded product thereof |
| CN109795377A (en) * | 2017-11-17 | 2019-05-24 | 宝沃汽车（中国）有限公司 | The mounting structure of vehicle and its seat |
-
2006
- 2006-08-08 CN CNA2006100300139A patent/CN101121423A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101580A (en) * | 2012-11-30 | 2013-05-15 | 芜湖市顺昌汽车配件有限公司 | Automobile fixing and strengthening support |
| CN103010051A (en) * | 2012-12-08 | 2013-04-03 | 芜湖市顺昌汽车配件有限公司 | Beam assembly of automobile seat |
| CN106029483A (en) * | 2014-02-25 | 2016-10-12 | 宝马股份公司 | Polyethylene-2,6-naphthalate composition with excellent blow moldability, and molded product thereof |
| US10183704B2 (en) | 2014-02-25 | 2019-01-22 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle body having a side sill and a base plate |
| CN109795377A (en) * | 2017-11-17 | 2019-05-24 | 宝沃汽车（中国）有限公司 | The mounting structure of vehicle and its seat |
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Open date: 20080213 |