CN103507865A - Arrangement structure for rear floor ribs of car - Google Patents
Arrangement structure for rear floor ribs of car Download PDFInfo
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- CN103507865A CN103507865A CN201210221469.9A CN201210221469A CN103507865A CN 103507865 A CN103507865 A CN 103507865A CN 201210221469 A CN201210221469 A CN 201210221469A CN 103507865 A CN103507865 A CN 103507865A
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Abstract
The invention relates to an arrangement structure for rear floor ribs of a car. The arrangement structure for the rear floor ribs of the car comprises a first transverse rib arranged at the lower left portion of a rear floor of the car, a second transverse rib arranged above the first transverse rib, a third transverse rib arranged at the upper left portion of the rear floor of the car, a plurality of rows of transverse ribs arranged in the middle of the rear floor of the car from top to bottom, and a vertical rib which is arranged at the left side of the rear floor of the car and communicated with the rows of transverse ribs. The arrangement structure for the rear floor ribs of the car is characterized in that a plurality of columns of vertical ribs are arranged in the middle of the rear floor of the car from left to right and are vertically communicated with the rows of transverse ribs. The arrangement structure for the rear floor ribs of the car has the advantages of only changing the arrangement method of the rear floor ribs but not increasing the mass, enabling the rigidity of the rear floor to be better than that adopting an existing arrangement structure of the rear floor ribs of the car, largely improving the result of the noise transfer function, improving NVH performance, being suitable for arrangement of all flat floor ribs, and being suitable for arrangement of ribs of a high-floor micro bus on a large plane.
Description
Technical field
The present invention relates to automobile component, be specifically related to a kind of arrangement structure of automobile rear floor muscle.
Background technology
The attachment point place of noise transfer function ，Ji chassis and engine system and vehicle body applies load per unit, records the noise level of people's ear place acoustic pressure, is an important indicator weighing vehicle NVH performance.The quality of rear floor structure has direct impact to the noise transfer function of each attachment point.Existing rear floor structure, the irrational distribution of its muscle, the distribution mode of muscle is single, only has horizontal bar and not perpendicular muscle, the defect of this structure can cause rear floor local stiffness not enough, there is more serious coupling phenomenon in Shi Hou floor mode and operatic tunes mode, causes noise transfer function result undesirable at characteristic frequency place, affect chaufeur and passenger's travelling comfort.
Summary of the invention
Deficiency for existing design, the invention provides a kind of arrangement structure of automobile rear floor muscle, this arrangement structure can strengthen rear ground panel stiffness, the model frequency on floor after changing, and then improve the result of noise transfer function, meet the requirement of NVH performance, improve chaufeur and passenger's travelling comfort.。
The arrangement structure of a kind of automobile rear floor muscle of the present invention, comprise that being located at position that automobile rear floor keeps left is below provided with the first horizontal bar and is positioned at the second horizontal bar on the first horizontal bar, is located at many rows horizontal bar that the position that automobile rear floor top keeps left is provided with the 3rd horizontal bar, is located at from top to bottom automobile rear floor middle part, also comprise the perpendicular muscle that is located at together the automobile rear floor left side and is communicated with many rows horizontal bar, it is characterized in that: at automobile rear floor middle part, be provided with from left to right the perpendicular muscle of multiple row, the perpendicular muscle of multiple row and many row's horizontal bar vertical connections.
The arrangement structure of described a kind of automobile rear floor muscle, is characterized in that: at automobile rear floor middle part, be provided with from top to bottom 7 row's horizontal bars, the first row horizontal bar in 7 row's horizontal bars, the 4th row's horizontal bar and the 5th horizontal bar are continuous horizontal bar, and all the other are for being interrupted horizontal bar;
At automobile rear floor middle part, be provided with from left to right the perpendicular muscle of 8 row, the perpendicular muscle of first row in the perpendicular muscle of 8 row and the perpendicular muscle of the 5th row are for being interrupted perpendicular muscle, and all the other are continuously perpendicular muscle;
The perpendicular muscle epimere of first row is communicated with the 3rd horizontal bar with first row horizontal bar vertical connection ,Qie upper end and lower end is communicated with first row horizontal bar; The perpendicular muscle hypomere of first row is communicated with second row horizontal bar with the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row horizontal bar vertical connection ,Qie lower end;
The perpendicular muscle of secondary series and the 4th row's horizontal bar and the 5th row's horizontal bar vertical connection;
The perpendicular muscle of perpendicular muscle the 4th row of the 3rd row is arranged horizontal bar, the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row's horizontal bar vertical connection with first row horizontal bar, second row horizontal bar, the 3rd respectively;
The perpendicular muscle epimere of the 5th row is communicated with second row horizontal bar vertical connection ,Qie upper end hyphen muscle together with automobile rear floor top with first row horizontal bar; The perpendicular muscle hypomere of the 5th row and the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row's horizontal bar vertical connection;
The perpendicular muscle of the 6th row and the 3rd row's horizontal bar, the 4th row's horizontal bar and the 5th row's horizontal bar vertical connection;
The perpendicular muscle of the 7th row and the perpendicular muscle of the 8th row are arranged horizontal bar, the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row's horizontal bar vertical connection with first row horizontal bar, second row horizontal bar, the 3rd respectively.
Further, the angle of described each Lie Shujin side and automobile rear floor plane is 155 degree.
Further, the perpendicular end face of muscle of described each row and the junction of side, each Lie Shujin side and automobile rear floor plane are fillet.
The present invention compared with prior art tool has the following advantages:
(1) the present invention has only changed the arrangement of rear floor reinforcement, does not increase quality;
(2) the invention enables the original design of ratio of rigidity on rear floor better;
(3) the present invention has largely improved the result of noise transfer function, has promoted NVH performance.
The present invention is applicable to the layout of all flat floor reinforcements, also the layout that is applicable to high floor microvan muscle in large plane, the present invention is not changing flooring material and is expecting under thick prerequisite, by rational horizontal bar, be arranged into and improved ground panel stiffness and mode, optimize noise transfer function, promoted the effect of car load NVH performance.
Accompanying drawing explanation
Fig. 1 is existing more common floor reinforcement arrangement structure birds-eye view;
Fig. 2 birds-eye view of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 2.
The specific embodiment
Fig. 1 is existing more common floor reinforcement arrangement structure, the position keeping left below on floor is provided with I horizontal bar 1-1 and is positioned at the II horizontal bar 1-2 on I horizontal bar, the position keeping left in top, floor is provided with III horizontal bar 1-4, at the middle part on floor, be provided with from top to bottom seven row's horizontal bars, wherein first row horizontal bar, the 4th row's horizontal bar and the 5th horizontal bar are continuous horizontal bar, all the other are for being interrupted horizontal bar, the left side on floor is provided with the perpendicular muscle 1-3 being communicated with seven row's horizontal bars together, and other position is again without the perpendicular muscle being connected with horizontal bar.Plate micro-car in most level lands all adopts this structure in the market.The defect of this structure can cause the not enough ，Shi Hou floor mode of rear floor local stiffness and operatic tunes mode at characteristic frequency place, to have more serious coupling phenomenon, causes noise transfer function result undesirable, affects chaufeur and passenger's travelling comfort.
Arrangement structure referring to a kind of automobile rear floor muscle shown in Fig. 2 and Fig. 3, comprise that being located at position that automobile rear floor keeps left is below provided with the first horizontal bar 2-11 and is positioned at the second horizontal bar 2-12 on the first horizontal bar, is located at 7 row's horizontal bars that the position that automobile rear floor top keeps left is provided with the 3rd horizontal bar 2-14, is located at from top to bottom automobile rear floor middle part, also comprise the perpendicular muscle 2-13 that is located at together the automobile rear floor left side and is communicated with many rows horizontal bar, at automobile rear floor middle part, be provided with from left to right the perpendicular muscle of 8 row, the perpendicular muscle of multiple row and 8 row's horizontal bar vertical connections.
At automobile rear floor middle part, be provided with from top to bottom 7 row's horizontal bars, the first row horizontal bar in 7 row's horizontal bars, the 4th row's horizontal bar and the 5th horizontal bar are continuous horizontal bar, and all the other are for being interrupted horizontal bar;
At automobile rear floor middle part, be provided with from left to right the perpendicular muscle of 8 row, the perpendicular muscle of first row in the perpendicular muscle of 8 row and the perpendicular muscle of the 5th row are for being interrupted perpendicular muscle, and all the other are continuously perpendicular muscle;
The perpendicular muscle epimere 2-1 of first row is communicated with the 3rd horizontal bar 2-14 with first row horizontal bar vertical connection ,Qie upper end and lower end is communicated with first row horizontal bar; The perpendicular muscle hypomere 2-2 of first row is communicated with second row horizontal bar with the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row horizontal bar vertical connection ,Qie lower end;
The perpendicular muscle 2-3 of secondary series and the 4th row's horizontal bar and the 5th row's horizontal bar vertical connection;
The perpendicular muscle 2-5 of perpendicular muscle 2-4 the 4th row of the 3rd row arranges horizontal bar, the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row's horizontal bar vertical connection with first row horizontal bar, second row horizontal bar, the 3rd respectively;
The perpendicular muscle epimere 2-6 of the 5th row is communicated with second row horizontal bar vertical connection ,Qie upper end hyphen muscle together with automobile rear floor top with first row horizontal bar; The perpendicular muscle hypomere 2-7 of the 5th row and the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row's horizontal bar vertical connection;
The perpendicular muscle 2-8 of the 6th row and the 3rd row's horizontal bar, the 4th row's horizontal bar and the 5th row's horizontal bar vertical connection;
The perpendicular muscle 2-9 of the 7th row and the perpendicular muscle 2-10 of the 8th row arrange horizontal bar, the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row's horizontal bar vertical connection with first row horizontal bar, second row horizontal bar, the 3rd respectively.
The angle of described each Lie Shujin side and automobile rear floor plane is 155 degree.
The perpendicular end face of muscle of described each row and the junction of side, each Lie Shujin side and automobile rear floor plane are fillet, and radius of rounding R is 10 mm.
On the basis that the present invention arranges at existing floor reinforcement arrangement structure, the layout that has increased several perpendicular muscle has also to a certain degree changed the arrangement of original horizontal bar.The present invention is 10 horizontal bars, and the section of each horizontal bar is all as shown in Figure 3, the high 10mm of muscle, and the perpendicular end face of muscle of described each row and the junction of side, each Lie Shujin side and automobile rear floor plane are fillet, and radius of rounding R is 10 mm.
Feature of the present invention is the horizontal bar and floor staggered being connected of perpendicular muscle arranged at automobile rear floor middle part, is " ten " word cross-like.
Claims (4)
1. the arrangement structure of an automobile rear floor muscle, comprise that being located at position that automobile rear floor keeps left is below provided with the first horizontal bar (2-11) and is positioned at the second horizontal bar (2-12) on the first horizontal bar, is located at many rows horizontal bar that the position that automobile rear floor top keeps left is provided with the 3rd horizontal bar (2-14), is located at from top to bottom automobile rear floor middle part, also comprise the perpendicular muscle (2-13) that is located at together the automobile rear floor left side and is communicated with many rows horizontal bar, it is characterized in that: at automobile rear floor middle part, be provided with from left to right the perpendicular muscle of multiple row, the perpendicular muscle of multiple row and many row's horizontal bar vertical connections.
2. the arrangement structure of a kind of automobile rear floor muscle according to claim 1, it is characterized in that: at automobile rear floor middle part, be provided with from top to bottom 7 row's horizontal bars, first row horizontal bar in 7 row's horizontal bars, the 4th row's horizontal bar and the 5th horizontal bar are continuous horizontal bar, and all the other are for being interrupted horizontal bar; At automobile rear floor middle part, be provided with from left to right the perpendicular muscle of 8 row, the perpendicular muscle of first row in the perpendicular muscle of 8 row and the perpendicular muscle of the 5th row are for being interrupted perpendicular muscle, and all the other are continuously perpendicular muscle;
The perpendicular muscle epimere (2-1) of first row is communicated with the 3rd horizontal bar (2-14) with first row horizontal bar vertical connection ,Qie upper end and lower end is communicated with first row horizontal bar; The perpendicular muscle hypomere (2-2) of first row is communicated with second row horizontal bar with the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row horizontal bar vertical connection ,Qie lower end;
Secondary series erects muscle (2-3) and the 4th row's horizontal bar and the 5th row's horizontal bar vertical connection;
The perpendicular muscle (2-5) of perpendicular muscle (2-4) the 4th row of the 3rd row is arranged horizontal bar, the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row's horizontal bar vertical connection with first row horizontal bar, second row horizontal bar, the 3rd respectively;
The perpendicular muscle epimere (2-6) of the 5th row is communicated with second row horizontal bar vertical connection ,Qie upper end hyphen muscle together with automobile rear floor top with first row horizontal bar; The perpendicular muscle hypomere (2-7) of the 5th row and the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row's horizontal bar vertical connection;
The perpendicular muscle (2-8) of the 6th row and the 3rd row's horizontal bar, the 4th row's horizontal bar and the 5th row's horizontal bar vertical connection;
The perpendicular muscle (2-9) of the 7th row and the perpendicular muscle (2-10) of the 8th row are arranged horizontal bar, the 4th row's horizontal bar, the 5th row's horizontal bar, the 6th row's horizontal bar and the 7th row's horizontal bar vertical connection with first row horizontal bar, second row horizontal bar, the 3rd respectively.
3. the arrangement structure of a kind of automobile rear floor muscle according to claim 1 and 2, is characterized in that: the angle of described each Lie Shujin side and automobile rear floor plane is 155 degree.
4. the arrangement structure of a kind of automobile rear floor muscle according to claim 3, is characterized in that: the perpendicular end face of muscle of described each row and the junction of side, each Lie Shujin side and automobile rear floor plane are fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210221469.9A CN103507865B (en) | 2012-06-30 | 2012-06-30 | A kind of arrangement structure of automobile rear floor muscle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210221469.9A CN103507865B (en) | 2012-06-30 | 2012-06-30 | A kind of arrangement structure of automobile rear floor muscle |
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| Publication Number | Publication Date |
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| CN103507865A true CN103507865A (en) | 2014-01-15 |
| CN103507865B CN103507865B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210221469.9A Active CN103507865B (en) | 2012-06-30 | 2012-06-30 | A kind of arrangement structure of automobile rear floor muscle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149862A (en) * | 2014-08-27 | 2014-11-19 | 东南大学 | Bottom plate for engineering machine cab |
| CN104724185A (en) * | 2015-01-29 | 2015-06-24 | 重庆长安汽车股份有限公司 | Rear floor for minicar |
| FR3035852A1 (en) * | 2015-05-04 | 2016-11-11 | Peugeot Citroen Automobiles Sa | FLOOR OF VEHICLE |
| CN114132392A (en) * | 2020-09-04 | 2022-03-04 | 本田技研工业株式会社 | Vehicle body structure |
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| CN201071064Y (en) * | 2007-06-29 | 2008-06-11 | 上海华普汽车有限公司 | Rear floor panel of car body and vehicle using the panel |
| CN201520344U (en) * | 2009-06-08 | 2010-07-07 | 奇瑞汽车股份有限公司 | Strengthening structure of automobile rear floor |
| CN201613946U (en) * | 2009-12-15 | 2010-10-27 | 浙江吉利汽车研究所有限公司 | Reinforcing structure for front floor of automobile |
| 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 |
| CN102267496A (en) * | 2011-06-30 | 2011-12-07 | 重庆长安汽车股份有限公司 | Rear floor for automobile |
| US20120098298A1 (en) * | 2009-05-20 | 2012-04-26 | Renault Sas | Rear floor for an automobile and automobile including such a floor |
| DE102010061157A1 (en) * | 2010-12-10 | 2012-06-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Stiffener element for motor vehicle, has groove shaped recess that is formed at different depth levels, with one stepped edge portion |
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2012
- 2012-06-30 CN CN201210221469.9A patent/CN103507865B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201071064Y (en) * | 2007-06-29 | 2008-06-11 | 上海华普汽车有限公司 | Rear floor panel of car body and vehicle using the panel |
| US20120098298A1 (en) * | 2009-05-20 | 2012-04-26 | Renault Sas | Rear floor for an automobile and automobile including such a floor |
| CN201520344U (en) * | 2009-06-08 | 2010-07-07 | 奇瑞汽车股份有限公司 | Strengthening structure of automobile rear floor |
| CN201613946U (en) * | 2009-12-15 | 2010-10-27 | 浙江吉利汽车研究所有限公司 | Reinforcing structure for front floor of automobile |
| 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 |
| DE102010061157A1 (en) * | 2010-12-10 | 2012-06-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Stiffener element for motor vehicle, has groove shaped recess that is formed at different depth levels, with one stepped edge portion |
| CN102267496A (en) * | 2011-06-30 | 2011-12-07 | 重庆长安汽车股份有限公司 | Rear floor for automobile |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149862A (en) * | 2014-08-27 | 2014-11-19 | 东南大学 | Bottom plate for engineering machine cab |
| CN104724185A (en) * | 2015-01-29 | 2015-06-24 | 重庆长安汽车股份有限公司 | Rear floor for minicar |
| FR3035852A1 (en) * | 2015-05-04 | 2016-11-11 | Peugeot Citroen Automobiles Sa | FLOOR OF VEHICLE |
| CN114132392A (en) * | 2020-09-04 | 2022-03-04 | 本田技研工业株式会社 | Vehicle body structure |
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| Publication number | Publication date |
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| CN103507865B (en) | 2015-12-09 |
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