CN203485754U - Low-stress breakwater device - Google Patents
Low-stress breakwater device Download PDFInfo
- Publication number
- CN203485754U CN203485754U CN201320639586.7U CN201320639586U CN203485754U CN 203485754 U CN203485754 U CN 203485754U CN 201320639586 U CN201320639586 U CN 201320639586U CN 203485754 U CN203485754 U CN 203485754U
- Authority
- CN
- China
- Prior art keywords
- support cylinder
- cylindrical sleeve
- cover plate
- washboard
- fuel tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002828 fuel tank Substances 0.000 claims abstract description 35
- 210000000078 claw Anatomy 0.000 claims description 61
- 241000510097 Megalonaias nervosa Species 0.000 claims description 31
- 230000000694 effects Effects 0.000 claims description 21
- 238000001816 cooling Methods 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Abstract
The utility model relates to a low-stress breakwater device which comprises a breakwater extending along the length direction of a fuel tank, wherein two cylindrical sleeves are arranged on the breakwater; the two cylindrical sleeves are positioned between the top wall and bottom wall of the fuel tank respectively, and the axes are parallel to each other; the upper ends of the two cylindrical sleeves are closed, and the upper ends are open; two support cylinders are inserted into corresponding cylindrical sleeves from bottom to top respectively; the lower end surfaces of the two support cylinders are welded on the bottom wall of the fuel tank respectively; one cylindrical sleeve is a fixed cylindrical sleeve; the fixed cylindrical sleeve and corresponding support cylinder are fixedly connected; the top surface of the fixed cylindrical sleeve is welded on the top wall of the fuel tank; the other cylindrical sleeve is a movable cylindrical sleeve; and the movable cylindrical sleeve and corresponding support cylinder can move relatively in the length direction of the breakwater. When the fuel tank deforms due to the cooling shrinkage of a parison, the space between the two support cylinders is reduced, the movable cylindrical sleeve and the support cylinder move relatively so as to adapt to the deformation shrinkage of the parison, and the breakage caused by stress concentration can be avoided.
Description
Technical field
The utility model relates to a kind of plastic fuel tank, particularly a kind of low stress washboard device.
Background technology
Along with the development of automotive technology, the noise of car load requires more and more higher, and the noise problem of fuel tank more and more obtains passenger's attention.In order to solve the noise problem of fuel tank, need in fuel tank, put into washboard and stop the impact of fuel oil to oil tank wall, and then solve noise problem.
After the parison cools of fuel tank, can produce shrinkage distortion, shrinkage distortion amount generally can be up to 3%, and this distortion is shunk and will inevitably be caused distortion and stress to concentrate to washboard, when serious, can stress concentrate and rupture.Add in use, the pressure variation in fuel tank makes washboard easily in car load life cycle, occur failure phenomenon, affects car load noise and safety performance.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of low stress washboard device is provided, and can adapt to distortion contraction and the Stability Analysis of Structures of casing.
For solving above technical matters, a kind of low stress washboard device provided by the utility model, comprise the washboard extending along fuel tank length direction, described washboard is provided with two cylindrical sleeve, described in two, cylindrical sleeve lays respectively between the roof of fuel tank and diapire and axis is parallel to each other, the upper end closed of cylindrical sleeve and lower ending opening described in two, two support cylinder are plugged in respectively in corresponding cylindrical sleeve from bottom to top, described in two, the lower surface of support cylinder is welded on respectively on the diapire of fuel tank, wherein a cylindrical sleeve is fixed cylinder cover, between described fixed cylinder cover and respective support cylinder, be fixedly connected with, the end face of described fixed cylinder cover is welded on the roof of fuel tank, another cylindrical sleeve is activity cylindrical sleeve, between described activity cylindrical sleeve and respective support cylinder, can on the length direction of washboard, relatively move.
With respect to prior art, the utility model has been obtained following beneficial effect: the lower surface of support cylinder is welded on respectively on the diapire of fuel tank, the end face of fixed cylinder cover is welded on the roof of fuel tank, when fuel tank is during because of parison cools shrinkage distortion, pitch smaller between two support cylinder, between activity cylindrical sleeve and support cylinder, relatively move, to adapt to the distortion amount of contraction producing after casing parison cools, can avoid stress concentrate and rupture.
As improvement of the present utility model, the both sides, front and back of described activity cylindrical sleeve are respectively equipped with support cylinder claw hole, extend along the length direction of washboard respectively in described support cylinder claw hole, in described support cylinder claw hole, be connected with respectively the support cylinder claw that can horizontally slip along support cylinder claw hole, described support cylinder claw is connected in corresponding support cylinder.When the box deformation of fuel tank shrinks, the support cylinder claw in support cylinder can be in the support cylinder claw hole of activity cylindrical sleeve sway.
As further improvement of the utility model, the middle part of upper and lower both sides, described support cylinder claw hole is respectively equipped with outstanding in opposite directions elasticity lug, and described in two, elasticity lug protrudes to the horizontal center line direction in support cylinder claw hole respectively.Elasticity lug can play to support cylinder claw the effect of initial alignment, and when the convergent force of parison acquires a certain degree, support cylinder claw is by extruding and cross elasticity lug and realize and sliding.
As improvement of the present utility model, the end face of described activity cylindrical sleeve is provided with the cover plate claw hole of extending along washboard length direction, in described cover plate claw hole, be connected with the cover plate claw that can horizontally slip along cover plate claw hole, described cover plate claw is connected on the lower surface of cover plate, and the upper surface of described cover plate is welded on the roof of fuel tank.When the box deformation of fuel tank shrinks, the cover plate claw of cover plate can be in the cover plate claw hole of activity cylindrical sleeve sway.
As further improvement of the utility model, before and after described cover plate claw hole, the middle part of both sides is respectively equipped with outstanding in opposite directions elasticity dog, and described in two, elasticity dog protrudes to line of centers to the length in cover plate claw hole respectively.Elasticity dog can play to cover plate claw the effect of initial alignment, and when the convergent force of parison acquires a certain degree, cover plate claw is by extruding and cross elasticity dog and realize and sliding.
As another improvement of the present utility model, the upper surface of the lower surface of described support cylinder and described fixed cylinder cover and cover plate is densely covered with respectively a plurality of numb spot-like projections.Fiber crops spot-like projections can make the Joint strenght between support cylinder and cover plate and fuel tank parison higher.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, accompanying drawing only provides reference and explanation use, non-in order to limit the utility model.
Fig. 1 is the front view of the utility model low stress washboard device.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the block diagram of Fig. 1.
Fig. 4 is along the cutaway view Amplified image of A-A in Fig. 2.
Fig. 5 is the block diagram of cover plate.
Fig. 6 is the top of activity cylindrical sleeve in Fig. 1.
In figure: 1. washboard; 1a. activity cylindrical sleeve; 1a1. support cylinder claw hole; 1a2. elasticity lug; 1a3. cover plate claw hole; 1a4. elasticity dog; 1b. fixed cylinder cover; 2. support cylinder; 2a. support cylinder claw; 3. cover plate; 3a. cover plate claw; 4. numb spot-like projections.
The specific embodiment
As shown in Figures 1 to 6, low stress washboard device of the present utility model, comprise the washboard 1 extending along fuel tank length direction, washboard 1 is provided with two cylindrical sleeve, two cylindrical sleeve lay respectively between the roof of fuel tank and diapire and axis is parallel to each other, the upper end closed of two cylindrical sleeve and lower ending opening, two support cylinder 2 are plugged in respectively in corresponding cylindrical sleeve from bottom to top, the lower surface of two support cylinder 2 is welded on respectively on the diapire of fuel tank, wherein a cylindrical sleeve is fixed cylinder cover 1b, between fixed cylinder cover 1b and respective support cylinder, be fixedly connected with, the end face of fixed cylinder cover 1b is welded on the roof of fuel tank, another cylindrical sleeve is activity cylindrical sleeve 1a, between activity cylindrical sleeve 1a and respective support cylinder, can on the length direction of washboard, relatively move.The upper surface of the lower surface of support cylinder 2, fixed cylinder cover 1b and cover plate 3 is densely covered with respectively a plurality of numb spot-like projections 4, makes the Joint strenght between support cylinder and cover plate and fuel tank parison higher.
The both sides, front and back of activity cylindrical sleeve 1a are respectively equipped with support cylinder claw hole 1a1, support cylinder claw hole 1a1 extends along the length direction of washboard 1 respectively, in support cylinder claw hole 1a1, be connected with respectively the support cylinder claw 2a that can horizontally slip along support cylinder claw hole, support cylinder claw 2a is connected in corresponding support cylinder 2.The middle part of the upper and lower both sides of 1a1, support cylinder claw hole is respectively equipped with outstanding in opposite directions elasticity lug 1a2, and two elasticity lug 1a2 protrude to the horizontal center line direction of support cylinder claw hole 1a1 respectively.
The end face of activity cylindrical sleeve 1a is provided with the cover plate claw hole 1a3 extending along washboard length direction, in cover plate claw hole, be connected with the cover plate claw 3a that can horizontally slip along cover plate claw hole, cover plate claw 3a is connected on the lower surface of cover plate 3, and the upper surface of cover plate 3 is welded on the roof of fuel tank.Before and after cover plate claw hole 1a3, the middle part of both sides is respectively equipped with outstanding in opposite directions elasticity dog 1a4, and two elasticity dog 1a4 protrude to line of centers to the length of cover plate claw hole 1a3 respectively.
When fuel tank is during because of parison cools shrinkage distortion, the pitch smaller between two support cylinder 2, when the box deformation of fuel tank shrinks, the support cylinder claw 2a in support cylinder 2 can be in the support cylinder claw hole 1a1 of activity cylindrical sleeve 1a sway.The cover plate claw 3a of cover plate 3 can be in the cover plate claw hole 1a3 of activity cylindrical sleeve 1a sway, to adapt to the distortion amount of contraction producing after casing parison cools, can avoid stress concentrate and rupture.
The foregoing is only the better possible embodiments of the utility model, non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (6)
1. a low stress washboard device, comprise the washboard extending along fuel tank length direction, described washboard is provided with two cylindrical sleeve, described in two, cylindrical sleeve lays respectively between the roof of fuel tank and diapire and axis is parallel to each other, the upper end closed of cylindrical sleeve and lower ending opening described in two, two support cylinder are plugged in respectively in corresponding cylindrical sleeve from bottom to top, described in two, the lower surface of support cylinder is welded on respectively on the diapire of fuel tank, it is characterized in that: wherein a cylindrical sleeve is fixed cylinder cover, between described fixed cylinder cover and respective support cylinder, be fixedly connected with, the end face of described fixed cylinder cover is welded on the roof of fuel tank, another cylindrical sleeve is activity cylindrical sleeve, between described activity cylindrical sleeve and respective support cylinder, can on the length direction of washboard, relatively move.
2. low stress washboard device according to claim 1, it is characterized in that: the both sides, front and back of described activity cylindrical sleeve are respectively equipped with support cylinder claw hole, extend along the length direction of washboard respectively in described support cylinder claw hole, in described support cylinder claw hole, be connected with respectively the support cylinder claw that can horizontally slip along support cylinder claw hole, described support cylinder claw is connected in corresponding support cylinder.
3. low stress washboard device according to claim 2, it is characterized in that: the middle part of upper and lower both sides, described support cylinder claw hole is respectively equipped with outstanding in opposite directions elasticity lug, described in two, elasticity lug protrudes to the horizontal center line direction in support cylinder claw hole respectively.
4. low stress washboard device according to claim 1, it is characterized in that: the end face of described activity cylindrical sleeve is provided with the cover plate claw hole of extending along washboard length direction, in described cover plate claw hole, be connected with the cover plate claw that can horizontally slip along cover plate claw hole, described cover plate claw is connected on the lower surface of cover plate, and the upper surface of described cover plate is welded on the roof of fuel tank.
5. low stress washboard device according to claim 4, is characterized in that: before and after described cover plate claw hole, the middle part of both sides is respectively equipped with outstanding in opposite directions elasticity dog, and described in two, elasticity dog protrudes to line of centers to the length in cover plate claw hole respectively.
6. according to the low stress washboard device described in any one in claim 1 to 5, it is characterized in that: the upper surface of the lower surface of described support cylinder and described fixed cylinder cover and cover plate is densely covered with respectively a plurality of numb spot-like projections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639586.7U CN203485754U (en) | 2013-10-17 | 2013-10-17 | Low-stress breakwater device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639586.7U CN203485754U (en) | 2013-10-17 | 2013-10-17 | Low-stress breakwater device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203485754U true CN203485754U (en) | 2014-03-19 |
Family
ID=50256606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320639586.7U Expired - Lifetime CN203485754U (en) | 2013-10-17 | 2013-10-17 | Low-stress breakwater device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203485754U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107107739A (en) * | 2014-10-30 | 2017-08-29 | 大众汽车有限公司 | Fuel tank for motor vehicle |
| CN108128153A (en) * | 2017-12-31 | 2018-06-08 | 亚普汽车部件股份有限公司 | A kind of adjustable assembling washboard |
| CN109703356A (en) * | 2017-10-26 | 2019-05-03 | 丰田自动车株式会社 | Fuel tank |
| CN111002822A (en) * | 2019-12-30 | 2020-04-14 | 东风亚普汽车部件有限公司 | Can automatic compensation size's wave board |
| CN111741864A (en) * | 2018-02-13 | 2020-10-02 | 标致雪铁龙汽车股份有限公司 | Assembly of a reinforcing support and a band for a motor vehicle fuel tank |
| KR102187051B1 (en) * | 2019-07-08 | 2020-12-04 | 주식회사 동희산업 | The tank and baffle for tank |
-
2013
- 2013-10-17 CN CN201320639586.7U patent/CN203485754U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107107739A (en) * | 2014-10-30 | 2017-08-29 | 大众汽车有限公司 | Fuel tank for motor vehicle |
| CN107107739B (en) * | 2014-10-30 | 2020-11-24 | 大众汽车有限公司 | Fuel tank for a motor vehicle |
| CN109703356A (en) * | 2017-10-26 | 2019-05-03 | 丰田自动车株式会社 | Fuel tank |
| CN109703356B (en) * | 2017-10-26 | 2022-01-04 | 丰田自动车株式会社 | Fuel tank |
| CN108128153A (en) * | 2017-12-31 | 2018-06-08 | 亚普汽车部件股份有限公司 | A kind of adjustable assembling washboard |
| CN108128153B (en) * | 2017-12-31 | 2024-03-29 | 亚普汽车部件股份有限公司 | Adjustable assembly wave plate |
| CN111741864A (en) * | 2018-02-13 | 2020-10-02 | 标致雪铁龙汽车股份有限公司 | Assembly of a reinforcing support and a band for a motor vehicle fuel tank |
| CN111741864B (en) * | 2018-02-13 | 2024-04-26 | 标致雪铁龙汽车股份有限公司 | Assembly of reinforcement support and strap for a motor vehicle fuel tank |
| KR102187051B1 (en) * | 2019-07-08 | 2020-12-04 | 주식회사 동희산업 | The tank and baffle for tank |
| CN111002822A (en) * | 2019-12-30 | 2020-04-14 | 东风亚普汽车部件有限公司 | Can automatic compensation size's wave board |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |