CN204998653U - Car spare tyre groove - Google Patents
Car spare tyre groove Download PDFInfo
- Publication number
- CN204998653U CN204998653U CN201520644593.5U CN201520644593U CN204998653U CN 204998653 U CN204998653 U CN 204998653U CN 201520644593 U CN201520644593 U CN 201520644593U CN 204998653 U CN204998653 U CN 204998653U
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- rear end
- cell body
- spare tyre
- reinforced rib
- automobile
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- 210000005056 cell body Anatomy 0.000 claims abstract description 31
- 210000003205 muscle Anatomy 0.000 claims description 20
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract 5
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model provides a car spare tyre groove, its bottom has better rigidity, can avoid the spare tyre groove to take place the problem that local deformation sinks when laying luggage and spare tyre, have better local mode simultaneously, can avoid the car idling or travel in low frequency when excitation receive, resonance fracture problem takes place for the spare tyre groove. The utility model discloses a car spare tyre groove includes the cell body that is the setting of U type along the length direction of car, and the middle part of cell body is equipped with the spare tyre fixed structure, and the key lies in the front end lateral wall of cell body is equipped with and uses the spare tyre fixed structure as the center, is radially distributed's many front end strengthening ribs, the rear end lateral wall of cell body is equipped with linear type rear end strengthening rib, the extending direction of rear end strengthening rib is on a parallel with the length direction of car, the front end strengthening rib is the concave bar, the concave bar of rear end strengthening rib for extend to floor surface behind the automobile by cell body bottom.
Description
Technical field
The utility model relates to the body structure field of automobile, is specifically related to a kind of structure of automobile spare tire groove.
Background technology
Along with the fast development of auto-industry, automobile (mainly referring to manned vehicle) has become product very general in our life.Current automotive body structure is based on monocoque skin construction, and spare wheel groove structure, as the chief component of lower body, has the effect of placing spare tyre and luggage.Automobile in the process of moving simultaneously, through different road surfaces, can be subject to the load of low-frequency range, cause the local mode of spare wheel groove to be coupled with it, produces resonance problem of Cracking.Thus require that spare wheel groove structure has enough rigidity and local mode, the phenomenon of local collapse when avoiding spare wheel groove the phenomenon of resonance occurs and places luggage and spare tyre.
In order to promote mode and the rigidity property of spare wheel groove structure, current common method has: change the material of spare wheel groove structure or expect thick, or increase by a reinforcement bottom the spare wheel groove of rear floor.These are improved one's methods also its weak point: increase complete vehicle weight, be unfavorable for the lightweight of vehicle body; Also can increase the manufacturing cost of bicycle simultaneously.
Therefore, provide a kind of better spare wheel groove structure, when occurring spare wheel groove resonance effect to avoid automobile and place luggage and spare tyre in the process travelled, the phenomenon of spare wheel groove local collapse, is the problem that prior art needs to solve.
Summary of the invention
The purpose of this utility model proposes a kind of automobile spare tire groove, has good rigidity bottom it, the problem can avoiding spare wheel groove that local deformation occurs when laying luggage and spare tyre subsiding; Have good local mode, when can avoid auto idle speed or be subject to low-frequency excitation in travelling, there is resonance problem of Cracking in spare wheel groove simultaneously.
Automobile spare tire groove of the present utility model comprises the cell body of the U-shaped setting of length direction along automobile, the middle part of cell body is provided with spare tyre fixed sturcture, key is that the front end side wall of described cell body is provided with centered by spare tyre fixed sturcture, many front end reinforced ribs radially distributed; The rear end sidewall of described cell body is provided with linear pattern rear end reinforced rib, and the bearing of trend of described rear end reinforced rib is parallel to the length direction of automobile; Described front end reinforced rib is concave bar, and described rear end reinforced rib is by the concave bar extending to automobile rear floor surface bottom cell body.
Above-mentioned front end reinforced rib and rear end reinforced rib not only can strengthen the intensity of cell body, prevent the spare wheel groove generation collapse phenomenon when placing spare tyre and luggage, effectively can also prevent muscle place from stress occurring and concentrate, and can not affect laying of spare tyre.The intensity of cell body can be adjusted by the degree of depth changing concave bar.
Further, the rear end bilateral symmetry of described cell body is distributed with the sidepiece reinforced rib of " mountain " shape be made up of a vertical muscle and three horizontal bars; Described vertical muscle is parallel to rear end reinforced rib, be conducive to after touch vehicle body itself in test and be fully out of shape energy-absorbing, play the effect of protection fuel tank and passenger safety.
Further, the both sides of described rear end reinforced rib are distributed with assistant reinforcement muscle, and the rear end of described assistant reinforcement muscle is parallel to rear end reinforced rib, the front end of assistant reinforcement muscle bending towards spare tyre fixed sturcture.By setting up assistant reinforcement muscle dexterously, effectively can promote the local mode of spare wheel groove, avoiding spare wheel groove to occur resonance effect.
Further, the bottom of described cell body is provided with several liquid-leaking nozzles, can prevent the hydrops phenomenon occurred in coating process process.
Further, described spare tyre fixed sturcture is boss that is outstanding and that close, does not offer the mounting hole of traditional spare wheel groove support, can effectively prevent in vehicle traveling process, rainwater splashes to bottom spare wheel groove by mounting hole, causes spare wheel groove structure erosion, affects the service life of spare wheel groove.
Spare wheel groove of the present utility model effectively can improve rigidity, and the vertical stiffness bottom spare wheel groove is significantly promoted, and effectively can promote the local mode of spare wheel groove structure, through cae analysis, the local mode of spare wheel groove can be promoted 18%; Each reinforced rib adopts concave bar structure, is convenient to the realization of Sheet Metal Forming Technology; Spare tyre fixed sturcture can prevent from rainwater to be splashed into bottom spare wheel groove corroding spare wheel groove structure, thus extends service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of spare wheel groove of the present utility model.
Accompanying drawing indicates: 1, cell body; 2, spare tyre fixed sturcture; 3, front end reinforced rib; 4, rear end reinforced rib; 5, sidepiece reinforced rib; 6, assistant reinforcement muscle; 7, liquid-leaking nozzle.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the effect and principle of work etc. of detailed description of the invention of the present utility model as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail.
Embodiment 1:
As shown in the figure, the automobile spare tire groove of the present embodiment comprises the cell body 1 of length direction (from front to back) the U-shaped setting along automobile, and wherein semi-round one end forward, and rectilinear one end backward; The middle part of cell body 1 is provided with the spare tyre fixed sturcture 2 of closed column, and the front end side wall of cell body 1 is provided with centered by spare tyre fixed sturcture 2, many front end reinforced ribs 3 radially distributed; The middle part of the rear end sidewall of cell body 1 is provided with straight line type rear end reinforced rib 4, and the bearing of trend of described rear end reinforced rib 4 is parallel to the length direction of automobile; Described front end reinforced rib 3 is concave bar, and described rear end reinforced rib 4 is by the concave bar extending to automobile rear floor surface bottom cell body 1.
The rear end bilateral symmetry of cell body 1 is distributed with the sidepiece reinforced rib 5 of " mountain " shape be made up of a vertical muscle and three horizontal bars; Described vertical muscle is parallel to rear end reinforced rib 4, be conducive to after touch vehicle body itself in test and be fully out of shape energy-absorbing, play the effect of protection fuel tank and passenger safety.
The both sides of rear end reinforced rib 4 are respectively distributed with an assistant reinforcement muscle 6, and the rear end of assistant reinforcement muscle 6 is parallel to rear end reinforced rib 4, the front end of assistant reinforcement muscle 6 bending towards spare tyre fixed sturcture 2.By setting up assistant reinforcement muscle 6 dexterously, effectively can promote the local mode of spare wheel groove, avoiding spare wheel groove to occur resonance effect.
Above-mentioned front end reinforced rib 3 and rear end reinforced rib 4 not only can strengthen the intensity of cell body 1, prevent the spare wheel groove generation collapse phenomenon when placing spare tyre and luggage, effectively can also prevent muscle place from stress occurring and concentrate, and can not affect laying of spare tyre.The intensity of cell body 1 can be adjusted by the degree of depth changing concave bar.
The bottom of cell body 1 is provided with several liquid-leaking nozzles 7, can prevent the hydrops phenomenon occurred in coating process process.
The width of above-mentioned each reinforced rib is 19mm ~ 40mm, and the degree of depth is 8mm.
Meanwhile, spare tyre attachment point 2 place adopts the boss structure design closed, and does not open the mounting hole of spare wheel groove support.Such structure design can prevent in vehicle traveling process effectively, and rainwater splashes to bottom spare wheel groove by mounting hole, causes spare wheel groove structure erosion, affects the service life of spare wheel groove structure.
Spare wheel groove of the present utility model adopts U-shaped structure design, simultaneously at the bottom of spare wheel groove and sidewall reasonable Arrangement reinforced rib, than the stabilized structure of traditional spare wheel groove, enhance bottom spare wheel groove and the rigidity at spare tyre attachment point place, significantly improve the local mode of spare wheel groove, there is resonance effect when avoiding spare wheel groove structure low-frequency excitation, also reduce simultaneously spare wheel groove deform when carrying luggage subside may.Verified by cae analysis, after spare wheel groove adopts new construction design, local mode is increased to 63.73Hz by original 53.94Hz, improves 18%.The vertical stiffness of three investigation points all has lifting in various degree simultaneously.Compared with original shape looks structure design, the rigidity of spare wheel groove and mode promote clearly, avoid the generation of spare wheel groove low-frequency resonance phenomenon, reduce the risk of spare wheel groove cracking in the examination of road, particularly important to the lifting of car load NVH performance.The degree of depth of reinforced rib and width distribution rationally, are also convenient to the realization of Sheet Metal Forming Technology.The closed design at spare tyre attachment point place can prevent rainwater to be splashed into bottom spare wheel groove, corrosion spare wheel groove structure.
Claims (5)
1. an automobile spare tire groove, comprise the cell body of the U-shaped setting of length direction along automobile, the middle part of cell body is provided with spare tyre fixed sturcture, it is characterized in that the front end side wall of described cell body is provided with centered by spare tyre fixed sturcture, many front end reinforced ribs radially distributed; The rear end sidewall of described cell body is provided with linear pattern rear end reinforced rib, and the bearing of trend of described rear end reinforced rib is parallel to the length direction of automobile; Described front end reinforced rib is concave bar, and described rear end reinforced rib is by the concave bar extending to automobile rear floor surface bottom cell body.
2. automobile spare tire groove according to claim 1, is characterized in that the rear end bilateral symmetry of described cell body is distributed with the sidepiece reinforced rib of " mountain " shape be made up of a vertical muscle and three horizontal bars; Described vertical muscle is parallel to rear end reinforced rib.
3. automobile spare tire groove according to claim 2, it is characterized in that the both sides of described rear end reinforced rib are distributed with assistant reinforcement muscle, the rear end of described assistant reinforcement muscle is parallel to rear end reinforced rib, the front end of assistant reinforcement muscle bending towards spare tyre fixed sturcture.
4. the automobile spare tire groove according to claim 1 or 2 or 3, is characterized in that the bottom of described cell body is provided with several liquid-leaking nozzles.
5. the automobile spare tire groove according to claim 1 or 2 or 3, is characterized in that described spare tyre fixed sturcture is boss that is outstanding and that close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520644593.5U CN204998653U (en) | 2015-08-25 | 2015-08-25 | Car spare tyre groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520644593.5U CN204998653U (en) | 2015-08-25 | 2015-08-25 | Car spare tyre groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204998653U true CN204998653U (en) | 2016-01-27 |
Family
ID=55155555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520644593.5U Active CN204998653U (en) | 2015-08-25 | 2015-08-25 | Car spare tyre groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204998653U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835966A (en) * | 2016-06-13 | 2016-08-10 | 奇瑞汽车股份有限公司 | Automobile spare tire installing structure |
| CN106043459A (en) * | 2016-06-13 | 2016-10-26 | 奇瑞汽车股份有限公司 | Car rear floor structure |
| CN108045440A (en) * | 2017-11-28 | 2018-05-18 | 奇瑞汽车股份有限公司 | A kind of rear floor structure of automobile |
| 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 |
-
2015
- 2015-08-25 CN CN201520644593.5U patent/CN204998653U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835966A (en) * | 2016-06-13 | 2016-08-10 | 奇瑞汽车股份有限公司 | Automobile spare tire installing structure |
| CN106043459A (en) * | 2016-06-13 | 2016-10-26 | 奇瑞汽车股份有限公司 | Car rear floor structure |
| CN108045440A (en) * | 2017-11-28 | 2018-05-18 | 奇瑞汽车股份有限公司 | A kind of rear floor structure of automobile |
| 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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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |