CN103507865B - A kind of arrangement structure of automobile rear floor muscle - Google Patents
A kind of arrangement structure of automobile rear floor muscle Download PDFInfo
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- CN103507865B CN103507865B CN201210221469.9A CN201210221469A CN103507865B CN 103507865 B CN103507865 B CN 103507865B CN 201210221469 A CN201210221469 A CN 201210221469A CN 103507865 B CN103507865 B CN 103507865B
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- horizontal bar
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- muscle
- rear floor
- automobile rear
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Abstract
The present invention relates to a kind of arrangement structure of automobile rear floor muscle, comprise and be located at position that automobile rear floor keeps left below and be provided with the first horizontal bar and be positioned at the second horizontal bar on the first horizontal bar, be located at position that automobile rear floor top keeps left and be provided with the 3rd horizontal bar, be located at many rows horizontal bar in the middle part of automobile rear floor from top to bottom, also comprise be located at the automobile rear floor left side together and with the perpendicular muscle arranged horizontal bar more and be communicated with, it is characterized in that: in the middle part of automobile rear floor, be provided with multiple row from left to right erect muscle, multiple row is erected muscle and is arranged horizontal bar vertical connection more.Tool has the following advantages: the present invention only changes the arrangement of rear floor reinforcement, does not increase quality; The invention enables the arrangement structure of the ratio of rigidity on rear floor existing automobile rear floor muscle better; The present invention largely improves the result of noise transfer function, improves NVH performance; Be applicable to the layout of all flat floor reinforcements, be also applicable to the layout of high floor microvan muscle in 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
Noise transfer function, namely applies load per unit at the attachment point place of chassis and engine system and vehicle body, records the noise level of people's ear place acoustic pressure, is the important indicator weighing vehicle NVH performance.The noise transfer function of quality on each attachment point of rear floor structure has direct impact.Existing rear floor structure, the irrational distribution of its muscle, the distribution mode of muscle is single, only have horizontal bar and erect muscle, the defect of this structure can cause rear floor local stiffness not enough, make rear floor mode and spectrogram parameter there is more serious coupling phenomenon at characteristic frequency place, cause noise transfer function result undesirable, affect the travelling comfort of chaufeur and passenger.
Summary of the invention
For the deficiency of 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 the travelling comfort of chaufeur and passenger.。
The arrangement structure of a kind of automobile rear floor muscle of the present invention, comprise and be located at position that automobile rear floor keeps left below and be provided with the first horizontal bar and be positioned at the second horizontal bar on the first horizontal bar, be located at position that automobile rear floor top keeps left and be provided with the 3rd horizontal bar, be located at many rows horizontal bar in the middle part of automobile rear floor from top to bottom, also comprise be located at the automobile rear floor left side together and with the perpendicular muscle arranged horizontal bar more and be communicated with, it is characterized in that: in the middle part of automobile rear floor, be provided with multiple row from left to right erect muscle, multiple row is erected muscle and is arranged horizontal bar vertical connection more.
The arrangement structure of described a kind of automobile rear floor muscle, is characterized in that: in the middle part of automobile rear floor, be provided with 7 row's horizontal bars from top to bottom, and 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;
In the middle part of automobile rear floor, be provided with 8 row from left to right erect muscle, the first row in the perpendicular muscle of 8 row erects muscle and the perpendicular muscle of the 5th row is be interrupted perpendicular muscle, and all the other are continuously perpendicular muscle;
First row erects muscle epimere with first row horizontal bar vertical connection and upper end is communicated with the 3rd horizontal bar and lower end is communicated with first row horizontal bar; First row erects muscle hypomere and the 4th and arranges horizontal bar, the 5th and arrange horizontal bar, the 6th and arrange horizontal bar and arrange horizontal bar vertical connection with the 7th and lower end is communicated with second row horizontal bar;
Secondary series erects muscle and the 4th and arranges horizontal bar and the 5th and arrange horizontal bar vertical connection;
The perpendicular muscle the 4th of 3rd row arranges perpendicular muscle and arranges horizontal bar, the 4th respectively with first row horizontal bar, second row horizontal bar, the 3rd and arrange horizontal bar, the 5th and arrange horizontal bar, the 6th and arrange horizontal bar and the 7th and arrange horizontal bar vertical connection;
The perpendicular muscle epimere of 5th row and first row horizontal bar with second row horizontal bar vertical connection and upper end hyphen muscle together with automobile rear floor top be communicated with; The perpendicular muscle hypomere and the 4th of 5th row is arranged horizontal bar, the 5th and is arranged horizontal bar, the 6th and arrange horizontal bar and the 7th and arrange horizontal bar vertical connection;
The perpendicular muscle and the 3rd of 6th row is arranged horizontal bar, the 4th and is arranged horizontal bar and the 5th and arrange horizontal bar vertical connection;
The perpendicular muscle of 7th row and the perpendicular muscle of the 8th row are arranged horizontal bar, the 4th respectively and are arranged horizontal bar, the 5th and arrange horizontal bar, the 6th and arrange horizontal bar and the 7th and arrange horizontal bar vertical connection with first row horizontal bar, second row horizontal bar, the 3rd.
Further, the angle of described each row side and automobile rear floor plane of erecting muscle is 155 degree.
Further, described each row erect the end face of muscle and side, respectively arranges and erect the side of muscle and the junction of automobile rear floor plane is fillet.
The present invention compared with prior art tool has the following advantages:
(1) the present invention only changes the arrangement of rear floor reinforcement, does not increase quality;
(2) ratio of rigidity on rear floor is the invention enables originally to design better;
(3) the present invention largely improves the result of noise transfer function, improves NVH performance.
The present invention is applicable to the layout of all flat floor reinforcements, also the layout of high floor microvan muscle in large plane is applicable to, the present invention is at unchanged plate material and under expecting thick prerequisite, be arranged into by rational horizontal bar and improve ground panel stiffness and mode, optimize noise transfer function, improve 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.
Detailed description of the invention
Fig. 1 is existing more common floor reinforcement arrangement structure, the position that limit keeps left under floor is provided with the Ith horizontal bar 1-1 and is positioned at the IIth horizontal bar 1-2 on the Ith horizontal bar, the position kept left in top, floor is provided with the IIIth horizontal bar 1-4, seven row's horizontal bars are provided with from top to bottom at the middle part on floor, 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 arranging horizontal bar together with seven and be communicated with, and other position is again without the perpendicular muscle be 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 rear floor local stiffness not enough, makes rear floor mode and spectrogram parameter there is more serious coupling phenomenon at characteristic frequency place, causes noise transfer function result undesirable, affect the travelling comfort of chaufeur and passenger.
See the arrangement structure of a kind of automobile rear floor muscle shown in Fig. 2 and Fig. 3, comprise and be located at position that automobile rear floor keeps left below and be provided with the first horizontal bar 2-11 and be positioned at the second horizontal bar 2-12 on the first horizontal bar, be located at position that automobile rear floor top keeps left and be provided with the 3rd horizontal bar 2-14, be located at 7 row's horizontal bars in the middle part of automobile rear floor from top to bottom, also comprise be located at the automobile rear floor left side together and with the perpendicular muscle 2-13 arranging horizontal bar more and be communicated with, in the middle part of automobile rear floor, be provided with 8 row from left to right erect muscle, multiple row is erected muscle and 8 and is arranged horizontal bar vertical connection.
In the middle part of automobile rear floor, be provided with 7 row's horizontal bars from top to bottom, 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;
In the middle part of automobile rear floor, be provided with 8 row from left to right erect muscle, the first row in the perpendicular muscle of 8 row erects muscle and the perpendicular muscle of the 5th row is be interrupted perpendicular muscle, and all the other are continuously perpendicular muscle;
First row erects muscle epimere 2-1 with first row horizontal bar vertical connection and upper end is communicated with the 3rd horizontal bar 2-14 and lower end is communicated with first row horizontal bar; First row erects muscle hypomere 2-2 and the 4th and arranges horizontal bar, the 5th and arrange horizontal bar, the 6th and arrange horizontal bar and arrange horizontal bar vertical connection with the 7th and lower end is communicated with second row horizontal bar;
Secondary series erects muscle 2-3 and the 4th and arranges horizontal bar and the 5th and arrange horizontal bar vertical connection;
The perpendicular muscle 2-4 the 4th of 3rd row arranges perpendicular muscle 2-5 and arranges horizontal bar, the 4th respectively with first row horizontal bar, second row horizontal bar, the 3rd and arrange horizontal bar, the 5th and arrange horizontal bar, the 6th and arrange horizontal bar and the 7th and arrange horizontal bar vertical connection;
The perpendicular muscle epimere 2-6 of 5th row and first row horizontal bar with second row horizontal bar vertical connection and upper end hyphen muscle together with automobile rear floor top be communicated with; The perpendicular muscle hypomere 2-7 and the 4th of 5th row arranges horizontal bar, the 5th and arranges horizontal bar, the 6th and arrange horizontal bar and the 7th and arrange horizontal bar vertical connection;
The perpendicular muscle 2-8 and the 3rd of 6th row arranges horizontal bar, the 4th and arranges horizontal bar and the 5th and arrange horizontal bar vertical connection;
The perpendicular muscle 2-10 of 7th row perpendicular muscle 2-9 and the 8th row arranges horizontal bar, the 4th respectively and arranges horizontal bar, the 5th and arrange horizontal bar, the 6th and arrange horizontal bar and the 7th and arrange horizontal bar vertical connection with first row horizontal bar, second row horizontal bar, the 3rd.
The angle of side and automobile rear floor plane that described each row erect muscle is 155 degree.
Described each row erect the end face of muscle and side, respectively arranges and erect the side of muscle and the junction of automobile rear floor plane is fillet, and radius of rounding R is 10mm.
The present invention is on the basis that existing floor reinforcement arrangement structure is arranged, the layout adding several perpendicular muscle also to a certain degree changes the arrangement of original horizontal bar.The present invention is 10 horizontal bars, and the section of each horizontal bar all as shown in Figure 3, muscle height 10mm, and described each row erect the end face of muscle and side, respectively arranges and erect the side of muscle and the junction of automobile rear floor plane is fillet, and radius of rounding R is 10mm.
Feature of the present invention is that the horizontal bar arranged in the middle part of automobile rear floor and floor erect that muscle is staggered to be connected, is " ten " word cross-like.
Claims (3)
1. the arrangement structure of an automobile rear floor muscle, comprise and be located at position that automobile rear floor keeps left below and be provided with the first horizontal bar (2-11) and be positioned at the second horizontal bar (2-12) on the first horizontal bar, be located at position that automobile rear floor top keeps left and be provided with the 3rd horizontal bar (2-14), be located at many rows horizontal bar in the middle part of automobile rear floor from top to bottom, also comprise be located at the automobile rear floor left side together and with the perpendicular muscle (2-13) arranged horizontal bar more and be communicated with, it is characterized in that: in the middle part of automobile rear floor, be provided with multiple row from left to right erect muscle, multiple row is erected muscle and is arranged horizontal bar vertical connection more;
In the middle part of automobile rear floor, be provided with 7 row's horizontal bars from top to bottom, 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; In the middle part of automobile rear floor, be provided with 8 row from left to right erect muscle, the first row in the perpendicular muscle of 8 row erects muscle and the perpendicular muscle of the 5th row is be interrupted perpendicular muscle, and all the other are continuously perpendicular muscle;
First row erects muscle epimere (2-1) with first row horizontal bar vertical connection and upper end is communicated with the 3rd horizontal bar (2-14) and lower end is communicated with first row horizontal bar; First row erects muscle hypomere (2-2) and the 4th and arranges horizontal bar, the 5th and arrange horizontal bar, the 6th and arrange horizontal bar and arrange horizontal bar vertical connection with the 7th and lower end is communicated with second row horizontal bar;
Secondary series erects muscle (2-3) and the 4th and arranges horizontal bar and the 5th and arrange horizontal bar vertical connection;
The perpendicular muscle (2-4) the 4th of 3rd row arranges perpendicular muscle (2-5) and arranges horizontal bar, the 4th respectively with first row horizontal bar, second row horizontal bar, the 3rd and arrange horizontal bar, the 5th and arrange horizontal bar, the 6th and arrange horizontal bar and the 7th and arrange horizontal bar vertical connection;
The perpendicular muscle epimere (2-6) of 5th row and first row horizontal bar with second row horizontal bar vertical connection and upper end hyphen muscle together with automobile rear floor top be communicated with; The perpendicular muscle hypomere (2-7) and the 4th of 5th row is arranged horizontal bar, the 5th and is arranged horizontal bar, the 6th and arrange horizontal bar and the 7th and arrange horizontal bar vertical connection;
The perpendicular muscle (2-8) and the 3rd of 6th row is arranged horizontal bar, the 4th and is arranged horizontal bar and the 5th and arrange horizontal bar vertical connection;
The perpendicular muscle (2-9) of 7th row and the 8th row erect muscle (2-10) and arrange horizontal bar, the 4th respectively with first row horizontal bar, second row horizontal bar, the 3rd and arrange horizontal bar, the 5th and arrange horizontal bar, the 6th and arrange horizontal bar and the 7th and arrange horizontal bar vertical connection.
2. the arrangement structure of a kind of automobile rear floor muscle according to claim 1, is characterized in that: the angle of side and automobile rear floor plane that described each row erect muscle is 155 degree.
3. the arrangement structure of a kind of automobile rear floor muscle according to claim 2, is characterized in that: described each row erect the end face of muscle and side, respectively arranges and erect the side of muscle and the junction of automobile rear floor plane is 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 CN103507865A (en) | 2014-01-15 |
| CN103507865B true 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149862B (en) * | 2014-08-27 | 2017-05-10 | 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 |
| FR3035852B1 (en) * | 2015-05-04 | 2019-05-03 | Psa Automobiles Sa. | FLOOR OF VEHICLE |
| JP7411522B2 (en) * | 2020-09-04 | 2024-01-11 | 本田技研工業株式会社 | car 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2945781B1 (en) * | 2009-05-20 | 2011-06-10 | Renault Sas | REAR FLOOR FOR MOTOR VEHICLE AND VEHICLE EQUIPPED WITH SUCH FLOOR. |
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- 2012-06-30 CN CN201210221469.9A patent/CN103507865B/en active Active
Patent Citations (6)
| 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 |
| 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 |
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| CN103507865A (en) | 2014-01-15 |
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