CN102785714A - Reinforcing structure of saloon car rear floor spare wheel groove - Google Patents
Reinforcing structure of saloon car rear floor spare wheel groove Download PDFInfo
- Publication number
- CN102785714A CN102785714A CN2012102484202A CN201210248420A CN102785714A CN 102785714 A CN102785714 A CN 102785714A CN 2012102484202 A CN2012102484202 A CN 2012102484202A CN 201210248420 A CN201210248420 A CN 201210248420A CN 102785714 A CN102785714 A CN 102785714A
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- spare tyre
- floor
- muscle
- groove
- additional strengthening
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- 230000003014 reinforcing effect Effects 0.000 title abstract 5
- 210000003205 muscle Anatomy 0.000 claims description 58
- 238000005728 strengthening Methods 0.000 claims description 17
- 210000002435 tendon Anatomy 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract 3
- 238000004080 punching Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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Abstract
The invention discloses a reinforcing structure of a saloon car rear floor spare wheel groove, and is characterized in that the reinforcing structure is that the spare wheel groove tends to be closed up from front to rear; T-shaped ribs are arranged by taking a spare wheel installation point as a center, and line ribs are distributed at the rear end of the spare wheel installation point at equal width intervals; and straight ribs are arranged at the periphery of the spare wheel installation point. Due to the adoption of the structure, the reinforcing structure has the following advantages that 1. The spare wheel groove resonance phenomenon in the car running process is avoided with a lower cost, and the NVH (noise, vibration and hardness) performances of the entire car are enhanced; and 2. The reinforcing structure is easy to realize by a punching process, and is worthy of industrially popularizing and applying.
Description
Technical field
The present invention relates to the body structure of automobile, the additional strengthening of floor spare tyre groove behind particularly a kind of car.
Background technology
At present car body structure adopts the monocoque skin construction design more, and back floor has the lift-launch passenger as the chief component of body bottom section, places spare tyre, after bump in through self-deformation prevent that fuel tank from damaging and minimizing to the vital function of occupant injury.Simultaneously, along with the progressively raising of client to car load NVH performance requriements, require the floor, back to have enough strength and stiffness, particularly resonance effect can not appear in the spare tyre groove.
In order to improve the performance here, conventional at present method for change the back flooring material or increase material thick, optimize the reinforced rib of floor, back spare tyre groove or increase by a reinforcement in spare tyre attachment point peripheral region, floor, back.
But all there is weak point in above-mentioned improved procedure, and for example more conversion materials can increase the Sheet Metal Forming Technology difficulty, changes the thick meeting of material and increases complete vehicle weight; The degree of depth to reinforced rib is had relatively high expectations, otherwise out of reach obviously promotes the effect of back ground panel stiffness and mode; Not only can increase the cost of investment of diel and soldering cramping apparatus, and can increase the weight of car load.
Providing a kind of simple mode to avoid spare tyre groove resonance effect in the process of running car, occurring, is the problem that prior art need solve.
Summary of the invention
Technical matters to be solved by this invention is, the additional strengthening of floor spare tyre groove behind a kind of car is provided, to avoid in the process of running car, occurring spare tyre groove resonance effect.
For solving the problems of the technologies described above, technical scheme of the present invention is that the additional strengthening of floor spare tyre groove behind a kind of car is characterized in that: described additional strengthening is that the spare tyre groove is from front to back and is tending towards the shape that closes up; With the spare tyre attachment point is that the center is provided with T type muscle, the line muscle in width gap such as is uniform-distribution with in spare tyre attachment point rear end; Around the spare tyre attachment point, be provided with the straight line muscle, thereby avoid the spare tyre groove resonance effect to occur through setting up reinforced rib cleverly.
The first half of described spare tyre groove is shaped as with the spare tyre profile and is circular-arc, and latter half diminishes along the circular arc tangential line direction gradually, is pre-large post-small isosceles trapezoid closing in shape.
Described shape and spare tyre placement arc surface with spare tyre contact position line muscle is consistent, and the line muscle on its next door is related graded profile.
Described T type muscle, line muscle are extended through the upper surface on floor, back always by the bottom surface of spare tyre groove.
Described T type muscle is provided with little T type muscle.
Described straight line muscle is emitting shape.
The periphery of described spare tyre groove is provided with spare tyre groove sidewall.
Described spare tyre groove be provided with small-sized convex tendon foremost.
The additional strengthening of floor spare tyre groove behind a kind of car, owing to adopt said structure, this additional strengthening has the following advantages: 1, avoided in the process of running car, occurring spare tyre groove resonance effect with lower cost, promoted car load NVH performance; 2, realize easily through Sheet Metal Forming Technology, be worth promotion and application in industry.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation;
Fig. 1 is the structural representation of the additional strengthening of floor spare tyre groove behind a kind of car of the present invention;
Fig. 2 is the structural representation of floor spare tyre groove behind the car in the prior art
In Fig. 1,1, the spare tyre groove; 2, T type muscle; 3, line muscle; 4, straight line muscle; 5, spare tyre attachment point; 6, little T type muscle; 7, spare tyre groove sidewall; 8, small-sized convex tendon.
The specific embodiment
With the headstock direction is front end, and tailstock direction is the rear end.The present invention is the shape that is tending towards closing up from front to back for spare tyre groove 1; With spare tyre attachment point 5 is that the center is provided with T type muscle 2, the line muscle 3 in width gap such as is uniform-distribution with in spare tyre attachment point 5 rear ends; Around spare tyre attachment point 5, be provided with straight line muscle 4, thereby avoid the spare tyre groove resonance effect to occur through setting up reinforced rib cleverly.
The objective of the invention is to improve, significantly improve spare tyre groove rigidity, mode, avoid the generation of resonance effect, and self fully is out of shape energy-absorbing in bumping after helping, reach protection fuel tank and passenger's purpose through floor spare tyre groove behind the car.
The present invention includes the spare tyre groove 1 of the shape that is tending towards from front to back closing up, is the T type muscle 2 that the center is emitting shape with spare tyre attachment point 5, and be evenly distributed on spare tyre attachment point 5 rear ends etc. the line muscle 3 in width gap.Spare tyre groove 1 first half is shaped as with the spare tyre profile and is circular-arc, and latter half diminishes along the circular arc tangential line direction gradually, is pre-large post-small isosceles trapezoid closing in shape.
Reinforced rib divides 4 two kinds in T type muscle 2 and straight line muscle; T type muscle 2 intersections are spare tyre attachment point 5 positions, and are provided with small-sized T type muscle 6 on the T type muscle 2, have two to be emitting shape straight line muscle 4 near spare tyre attachment point 5 at the front end of spare tyre attachment point 5.Gaps such as line muscle 3 are evenly distributed on the rear end of spare tyre attachment point 5.Be consistent with line muscle 3 shapes and the spare tyre placement arc surface at spare tyre contact position place, other line muscle 3 is related graded profile.
As shown in Figure 1, the present invention includes the spare tyre groove 1 of the shape that is tending towards from front to back closing up, be the T type muscle 2 that the center is emitting shape with spare tyre attachment point 5, and be evenly distributed on spare tyre attachment point 5 rear ends etc. width gap line muscle 3.All reinforced ribs extend through the upper surface on floor always by spare tyre groove 1 bottom; Little T type muscle 6. is arranged at spare tyre attachment point 5 places
The width of line muscle 3 is 45-70mm, and the degree of depth is 7-10mm, equidistantly divides equally the rear end at spare tyre attachment point 5.Place arc surface with the shape of the line muscle 3 at spare tyre contact position place and spare tyre and be consistent, other line muscle 3 is related graded profile.
The spare tyre of falling the isosceles trapezoid groove 1 of shape of being tending towards among the present invention closing up is more firm than traditional spare tyre groove structure, and mode and rigidity significantly promote, and have avoided low-frequency resonance; T type muscle 2 intersections are provided with little T type muscle 6, and as the center spare tyre attachment point 5 front ends be provided with two disperse straight line muscle 4 to around transmit energy, increased the rigidity and the mode of spare tyre groove 1, reduced the risk that 5 tunnel runins of spare tyre attachment point are split; The line muscle 3 that width gaps such as T type muscle 2 rear ends are provided with helps inducing in the collision of back the abundant conquassation distortion in floor, back to absorb energy, reaches the purpose of protection passenger and fuel tank.This technical scheme has reduced the quantity of blanked part to the raising highly significant of back floor spare tyre groove rigidity and mode, has practiced thrift productive costs, has alleviated tare.
The present invention is through being tending towards the structure design that circle is the shape of falling the isosceles trapezoid with spare tyre groove 1 employing of floor, back; Arrange by this to the T type muscle of launching all around 2 at spare tyre attachment point 5 front ends; Arrange the line muscle 3 of placing the profile gradual change with spare tyre in spare tyre attachment point 5 rear ends,, strengthened the rigidity of back floor spare tyre groove and spare tyre attachment point simultaneously in the appearance structure design of the little T type of spare tyre attachment point 5 location arrangements muscle 6; Significantly improve the local mode of spare tyre groove, avoided spare tyre groove low-frequency resonance phenomenon.Through the CAE check analysis, spare tyre groove 1 adopts and is tending towards the structure design that circle is the shape of falling the isosceles trapezoid, and after in the spare tyre groove, arranging T type muscle 2 and straight line muscle 4, the mode of spare tyre groove 1 is increased to 128hz by original 94hz, has improved 36%.Compare with traditional spare tyre flute profile looks structure design, the rigidity of back floor spare tyre groove 1 and the lifting of mode are very obvious.Avoid the generation of spare tyre groove low-frequency resonance phenomenon, reduced the risk of spare tyre groove cracking in the examination of road, particularly important to the lifting of car load NVH performance, and Sheet Metal Forming Technology realizes easily, is worth promotion and application in industry.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted technical scheme of the present invention to carry out, or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (8)
1. the additional strengthening of floor spare tyre groove behind the car is characterized in that: described additional strengthening is that spare tyre groove (1) is from front to back and is tending towards the shape that closes up; With spare tyre attachment point (5) is that the center is provided with T type muscle (2), the line muscle (3) in width gap such as is uniform-distribution with in spare tyre attachment point (5) rear end; Around spare tyre attachment point (5), be provided with straight line muscle (4).
2. the additional strengthening of floor spare tyre groove behind a kind of car according to claim 1; It is characterized in that: the first half of described spare tyre groove (1) is shaped as with the spare tyre profile and is circular-arc; Latter half diminishes along the circular arc tangential line direction gradually, is pre-large post-small isosceles trapezoid closing in shape.
3. the additional strengthening of floor spare tyre groove behind a kind of car according to claim 1 is characterized in that: described shape and spare tyre placement arc surface with spare tyre contact position line muscle (3) is consistent, and the line muscle (3) on its next door is related graded profile.
4. according to the additional strengthening of floor spare tyre groove behind claim 1 or the 3 described a kind of cars, it is characterized in that: described T type muscle (2), line muscle (3) are extended through the upper surface on floor, back always by the bottom surface of spare tyre groove (1).
5. the additional strengthening of floor spare tyre groove behind a kind of car according to claim 1 is characterized in that: described T type muscle (2) is provided with little T type muscle (6).
6. the additional strengthening of floor spare tyre groove behind a kind of car according to claim 1 is characterized in that: described straight line muscle (4) is that the center is emitting shape with spare tyre attachment point (5).
7. the additional strengthening of floor spare tyre groove behind a kind of car according to claim 1 is characterized in that: the periphery of described spare tyre groove (1) is provided with spare tyre groove sidewall (7).
8. the additional strengthening of floor spare tyre groove behind a kind of car according to claim 1 is characterized in that: described spare tyre groove (1) be provided with small-sized convex tendon (8) foremost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248420.2A CN102785714B (en) | 2012-07-18 | 2012-07-18 | A kind of reinforcement structure of saloon car rear floor spare wheel groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248420.2A CN102785714B (en) | 2012-07-18 | 2012-07-18 | A kind of reinforcement structure of saloon car rear floor spare wheel groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102785714A true CN102785714A (en) | 2012-11-21 |
| CN102785714B CN102785714B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210248420.2A Active CN102785714B (en) | 2012-07-18 | 2012-07-18 | A kind of reinforcement structure of saloon car rear floor spare wheel groove |
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| CN (1) | CN102785714B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769435A (en) * | 2014-01-15 | 2014-05-07 | 北京汽车股份有限公司 | Calibration method and device for automobile spare tire compartment structure |
| CN104787124A (en) * | 2015-03-31 | 2015-07-22 | 金华职业技术学院 | Limousine spare wheel basin supporting plate and rear floor beam frame assembly |
| CN105644638A (en) * | 2014-12-02 | 2016-06-08 | 丰田车体株式会社 | Spare tire fixing part, spare tire storing system and vehicle |
| CN105835959A (en) * | 2016-04-12 | 2016-08-10 | 奇瑞商用车（安徽）有限公司 | Automobile rear floor spare tire groove structure |
| CN105835966A (en) * | 2016-06-13 | 2016-08-10 | 奇瑞汽车股份有限公司 | Automobile spare tire installing structure |
| CN106347507A (en) * | 2016-11-29 | 2017-01-25 | 上汽通用五菱汽车股份有限公司 | Reinforcing plate structure of spare tire cabin capable of improving noise transfer function |
| CN108082307A (en) * | 2017-12-18 | 2018-05-29 | 合肥亿恒智能科技股份有限公司 | A kind of spare wheel groove |
| CN109911039A (en) * | 2017-12-12 | 2019-06-21 | 本田技研工业株式会社 | The spare tyre supporting structure of vehicle and the handling method of spare tyre |
| US10407098B2 (en) | 2017-10-10 | 2019-09-10 | Honda Motor Co., Ltd. | Rear vehicle frame and center longitudinal frame member therefor |
| CN110691730A (en) * | 2017-05-18 | 2020-01-14 | 雷诺股份公司 | Storage box for assembly on a motor vehicle body structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5860687A (en) * | 1997-12-19 | 1999-01-19 | Chrysler Corporation | Vehicle spare tire storage system having stiffening plate |
| CN1907788A (en) * | 2005-08-03 | 2007-02-07 | 马自达汽车株式会社 | Vehicle rear body structure |
| CN201472485U (en) * | 2009-08-31 | 2010-05-19 | 东风汽车公司 | Disconnect-style beam connecting structure in back floor |
| CN102267496A (en) * | 2011-06-30 | 2011-12-07 | 重庆长安汽车股份有限公司 | Rear floor for automobile |
-
2012
- 2012-07-18 CN CN201210248420.2A patent/CN102785714B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5860687A (en) * | 1997-12-19 | 1999-01-19 | Chrysler Corporation | Vehicle spare tire storage system having stiffening plate |
| CN1907788A (en) * | 2005-08-03 | 2007-02-07 | 马自达汽车株式会社 | Vehicle rear body structure |
| CN201472485U (en) * | 2009-08-31 | 2010-05-19 | 东风汽车公司 | Disconnect-style beam connecting structure in back floor |
| 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 (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769435B (en) * | 2014-01-15 | 2015-11-25 | 北京汽车股份有限公司 | A kind of method of calibration of automobile spare tire cabin structure and device |
| CN103769435A (en) * | 2014-01-15 | 2014-05-07 | 北京汽车股份有限公司 | Calibration method and device for automobile spare tire compartment structure |
| CN105644638B (en) * | 2014-12-02 | 2018-04-27 | 丰田车体株式会社 | Spare tyre fixed part, spare tyre storage system and vehicle |
| CN105644638A (en) * | 2014-12-02 | 2016-06-08 | 丰田车体株式会社 | Spare tire fixing part, spare tire storing system and vehicle |
| CN104787124A (en) * | 2015-03-31 | 2015-07-22 | 金华职业技术学院 | Limousine spare wheel basin supporting plate and rear floor beam frame assembly |
| CN105835959A (en) * | 2016-04-12 | 2016-08-10 | 奇瑞商用车（安徽）有限公司 | Automobile rear floor spare tire groove structure |
| CN105835966A (en) * | 2016-06-13 | 2016-08-10 | 奇瑞汽车股份有限公司 | Automobile spare tire installing structure |
| CN106347507A (en) * | 2016-11-29 | 2017-01-25 | 上汽通用五菱汽车股份有限公司 | Reinforcing plate structure of spare tire cabin capable of improving noise transfer function |
| CN110691730A (en) * | 2017-05-18 | 2020-01-14 | 雷诺股份公司 | Storage box for assembly on a motor vehicle body structure |
| US10407098B2 (en) | 2017-10-10 | 2019-09-10 | Honda Motor Co., Ltd. | Rear vehicle frame and center longitudinal frame member therefor |
| CN109911039A (en) * | 2017-12-12 | 2019-06-21 | 本田技研工业株式会社 | The spare tyre supporting structure of vehicle and the handling method of spare tyre |
| CN109911039B (en) * | 2017-12-12 | 2022-04-22 | 本田技研工业株式会社 | Spare tire support structure for vehicle and method for attaching and detaching spare tire |
| CN108082307A (en) * | 2017-12-18 | 2018-05-29 | 合肥亿恒智能科技股份有限公司 | A kind of spare wheel groove |
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| Publication number | Publication date |
|---|---|
| CN102785714B (en) | 2015-08-12 |
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Effective date of registration: 20190805 Address after: 241000 No. 8 Building, Science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee after: CHERY COMMERCIAL VEHICLES (ANHUI) CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Patentee before: Saic Chery Automobile Co., Ltd. |
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