CN207374114U - High-pressure plastic fuel tank - Google Patents
High-pressure plastic fuel tank Download PDFInfo
- Publication number
- CN207374114U CN207374114U CN201721367616.8U CN201721367616U CN207374114U CN 207374114 U CN207374114 U CN 207374114U CN 201721367616 U CN201721367616 U CN 201721367616U CN 207374114 U CN207374114 U CN 207374114U
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- China
- Prior art keywords
- upright post
- post rod
- rod assembly
- fuel tank
- plastic fuel
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Abstract
The utility model provides a kind of high-pressure plastic fuel tank, including：Housing is prepared by plastics；First upright post rod assembly is hollow structure, is arranged at the enclosure interior, upper surface is connected with the upper surface of the case inside, and lower surface is connected with the lower surface of the case inside.Housing is prepared using plastics, can mitigate the weight of fuel tank, and the setting of the first upright post rod assembly can increase the intensity of housing, reduce the deformation of housing.
Description
Technical field
The utility model is related to fuel tank of vehicle fields, and in particular to a kind of high-pressure plastic fuel tank.
Background technology
Plug-in hybrid-power automobile is a kind of new mixed power electric car, can carry out external charging, and can be
Electric-only mode downward driving relatively long distance.Compared with common pure electric automobile, also there is fuel system, it can be in electric power deficiency
When, it is changed to fuel power and provides power for automobile.
Since the battery durable ability of plug-in hybrid-power automobile is good, the most of the time all may only be operated in pure electric vehicle
Under pattern, the engine in fuel system may need not all start for several days, and fuel oil evaporation discharging system is caused to be in saturation
State.The fuel oil evaporation discharging system be it is a kind of prevent oil vapour from directly discharging the system for causing air pollution, including one
The canister being connected with fuel tank, when engine is inoperative, gasoline in fuel tank in high temperature, rock under the action of be volatilized into oily steaming
Vapour, and by the activated carbon adsorption in canister, when engine starts running, engine can be desorbed absorption in canister and fuel tank
Oil vapour.And when the engine long time is inoperative, fuel oil evaporation discharging system can be caused to be in saturation state, canister is hit
It wears, then oil vapour overflows pollution environment.
To prevent that canister is breakdown, currently used means are that oil vapour is closed into fuel tank, this needs fuel tank
With certain high pressure resistant property, such as high-pressure metal fuel tank, however this high-pressure metal fuel tank weight and volume is all bigger,
In arrangement, it is necessary to reserve larger space for it, the space layout of vehicle is so constrained, is unsuitable in small-size light-weight
Change and used in vehicle.
The content of the invention
The utility model aims to solve the problem that high voltage bearing metallic oil tank weight and volume is bigger in the prior art, is unsuitable for
It is used in the vehicle of miniaturization.
To solve the above problems, the utility model provides a kind of high-pressure plastic fuel tank, including：
Housing, by being prepared using plastics；
First upright post rod assembly is hollow structure, is arranged at the enclosure interior, upper surface and the case inside
Upper surface connects, and lower surface is connected with the lower surface of the case inside.
Optionally, in above-mentioned high-pressure plastic fuel tank：
The first upright post rod assembly includes the cylindrical shape upper bed-plate being sequentially connected, cylindrical shape upright post rod and cylindrical shape bottom
Seat, wherein upper surface of the upper surface of the upper bed-plate as the first upright post rod assembly, the lower surface of the lower bottom base is made
For the lower surface of the first upright post rod assembly, and the diameter of the upright post rod is less than the straight of the upper bed-plate and the lower bottom base
Footpath.
Optionally, in above-mentioned high-pressure plastic fuel tank：
The upright post rod, side along the circumferential direction form the first groove.
Optionally, in above-mentioned high-pressure plastic fuel tank：
The first point is formed on the first upright post rod assembly, upper surface and its lower surface；
The first upright post rod assembly, upper surface and the upper surface of the case inside are welded and fixed；Its lower surface with
The lower surface of the case inside is welded and fixed.
Optionally, above-mentioned high-pressure plastic fuel tank further includes two the second upright post rod assemblies for being arranged at the enclosure interior,
Wherein：
The housing is provided with opening, for being connected with oil pump；
Two the second upright post rod assemblies, are symmetrically distributed in the both sides of the opening, and each second upright post rod is total
Into upper surface be connected with the upper surface of the case inside, the lower surface of each second upright post rod assembly and the housing
The lower surface connection of inside.
Optionally, in above-mentioned high-pressure plastic fuel tank, each second upright post rod assembly includes：
First base, upper and lower surface are arc-shaped, and upper surface is as the second upright post rod assembly
Upper surface；
Support column, the upper end are connected with the lower surface of the first base；
Second base, upper and lower surface are arc-shaped, and upper surface is connected with the lower end of the support column,
Lower surface of the lower surface as the second upright post rod assembly.
Optionally, in above-mentioned high-pressure plastic fuel tank：
The support column, inner hollow, the size of the lateral cross section of intermediate portion are less than the horizontal stroke of the upper end or lower end
To the size in section；Its side forms the second groove, and second groove was around the side of the support column one week；Its side wall is
Double-layer structure, the central filler of the double-layer structure have reinforcing rib.
Optionally, in above-mentioned high-pressure plastic fuel tank：
Second upright post rod forms the second point in upper and lower surface；
Second upright post rod, upper surface and the upper surface of the case inside are welded and fixed；Its lower surface with it is described
The lower surface of case inside is welded and fixed.
Optionally, in above-mentioned high-pressure plastic fuel tank, further include：
Bandage, including the first arc bandage, the second arc bandage and connecting rod, the first arc bandage and described second
Arc bandage is coated on the outside of the housing, and one end of the connecting rod is connected with the middle part of the first arc bandage,
The other end is connected with the middle part of the second arc bandage.
Optionally, in above-mentioned high-pressure plastic fuel tank：
The bandage is prepared by low-carbon steel material.
High-pressure plastic fuel tank described in the present embodiment, including housing and the first upright post rod assembly, middle casing is by plastics system
Standby to obtain, compared with the fuel tank of metal material, the weight of plastic fuel tank is small, suitable for miniaturization vehicle；And the first column
Bar assembly is arranged at enclosure interior, can enhance the intensity of housing, and the deformation of housing is reduced when enclosure interior pressure increases；And the
The inner hollow of one upright post rod assembly, when housing falls, the first hollow upright post rod assembly is easily broken off, and can be prevented on housing
It is subject to excessive support force with the junction of the first upright post rod assembly and occurs to rupture oil leak.
Description of the drawings
Fig. 1 is the structure diagram of the high-pressure plastic fuel tank described in the utility model embodiment.
Fig. 2 is the diagrammatic cross-section of the first upright post rod assembly of the high-pressure plastic fuel tank described in the utility model embodiment.
Fig. 3 is that the section of the first upright post rod assembly of the high-pressure plastic fuel tank described in the utility model another embodiment shows
It is intended to.
Fig. 4 is that the section of the first upright post rod assembly of the high-pressure plastic fuel tank described in the utility model another embodiment shows
It is intended to.
Fig. 5 is the schematic diagram of the first upright post rod assembly of the high-pressure plastic fuel tank described in the utility model one embodiment.
Fig. 6 is the distributing position of the first upright post rod assembly of the high-pressure plastic fuel tank described in the utility model one embodiment
Schematic diagram.
Fig. 7 is the structure diagram of the high-pressure plastic fuel tank described in the utility model another embodiment.
Fig. 8 is the section signal of the second upright post rod assembly of the high-pressure plastic fuel tank described in the utility model one embodiment
Figure.
Fig. 9 is the vertical view diagram of the second upright post rod assembly of the high-pressure plastic fuel tank described in the utility model one embodiment
It is intended to.
Figure 10 is the section of the second upright post rod assembly of the high-pressure plastic fuel tank described in the utility model another embodiment
Schematic diagram.
Figure 11 is the strap configurations schematic diagram of the high-pressure plastic fuel tank described in the utility model one embodiment.
Specific embodiment
The utility model embodiment is further illustrated below in conjunction with attached drawing., it is necessary to say in the description of the utility model
Bright, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, for example, can
To be to be fixedly connected or be detachably connected or be integrally connected；Can be mechanical connection or electrical connection；It can
It to be to be connected directly, can also be indirectly connected by intermediary, can be the connection of two component internals.For this field
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
The present embodiment provides a kind of high-pressure plastic fuel tank, as shown in Figure 1, including 1 and first upright post rod assembly 2 of housing.Its
In, housing 1 is prepared by plastics；The first upright post rod assembly 2 is hollow structure, and sectional view is as shown in Fig. 2, specific
Ground, the first upright post rod assembly 2 are arranged inside housing 1, and the upper surface of 1 inside of upper surface and housing be connected, lower surface and
The lower surface connection of 1 inside of housing.
Specifically, the housing 1 can be used 6 layers of high density polyethylene (HDPE) equipment with barrier layer and obtain, the thickness of 1 wall of housing
Degree in general, housing 1 includes upper shell and lower housing, and is welded to connect not less than 3mm between upper shell and lower housing.With metal
Fuel tank is compared, and the housing 1 of plastics is lighter, suitable for miniaturization vehicle.The setting of first upright post rod assembly 2 can increase
The intensity of housing 1 can reduce the deformation of housing 1 when 1 internal pressure of housing increases；When accident occurring fuel tank being caused to fall,
Hollow structure is conducive to the fracture of the first upright post rod assembly 2, in protective housing 1 with the junction of the first upright post rod assembly 2 not
Rupture, while hollow structure can also mitigate the weight of the first upright post rod assembly 2, to reduce the gross weight of high-pressure plastic fuel tank.
Optionally, the shape of the first upright post rod assembly 2 is arbitrary, such as selects cylinder, as shown in Fig. 2,
The set of cuboid or multiple shapes can be selected.The present embodiment provides a kind of shape of first upright post rod assembly 2, such as Fig. 3 institutes
Show, including cylindrical shape upper bed-plate 21, cylindrical shape upright post rod 22 and the cylindrical shape lower bottom base 23 being sequentially connected, i.e. cylindrical shape upright post rod
22 upper ends are connected with the lower surface of cylindrical shape upper bed-plate 21, and lower end is connected with the upper surface of cylindrical shape lower bottom base 23, connection side
Quadric injection mould mode can be used in formula.Upper surface and shell of the upper surface of cylindrical shape upper bed-plate 21 as the first upright post rod assembly 2
The upper surface connection of 1 inside of body, the lower surface of cylindrical shape lower bottom base 23 is as the lower surface of the first upright post rod assembly 2 and housing 1
The lower surface connection of inside.In addition, the side wall of the cylindrical shape upright post rod 22 can be single layer structure, as shown in Figure 3；It is or double
Layer structure, if double-layer structure, as shown in figure 4, can be strong to increase it in the central filler connection strengthening rib 24 of double-layer structure
Degree, so can also mitigate its own weight, so that high-pressure plastic fuel tank meets miniaturization vehicle.Optionally, such as Fig. 5 institutes
Show, the first groove 25 is along the circumferential direction formed in the side of cylindrical shape upright post rod 22, i.e. the first groove is around 25 cylindrical shapes
The side of upright post rod 22 one week.The setting of first groove 25, can be when housing 1 falls, and the first upright post rod assembly 2 along first is recessed
Slot 25 is broken, and housing 1 is avoided to rupture and oil leak.Optionally, it is plastic multiple around upright post rod in the side of cylindrical shape upright post rod 22
The side groove of one week.Optionally, the upper surface of the first upright post rod assembly 2 and the upper surface of 1 inside of housing are welded
Connection, the lower surface of lower surface and 1 inside of housing is welded to connect, for ease of welding, as shown in figure 5, the first upright post rod
The first point 26 is formed in the upper and lower surface of assembly 2, the setting of the first point 26 also advantageously improves first and stands
Mast assembly 2 and the hardness of 1 junction of housing.
2 specific location within the case 1 of above-mentioned first upright post rod assembly can be calculated by CAE and assay optimization obtains, according to
CAE is calculated and assay optimization, 3 the first upright post rod assemblies 2 can be set inside housing 1, specific location is as shown in Figure 6.
Further, above-mentioned high-pressure plastic fuel tank further includes two the second upright post rod assemblies.Specifically, as shown in fig. 7,
Opening 11 is provided on housing 1, the opening 11 with oil pump for being connected, and two the second upright post rod assemblies 3 may be contained within shell
The inside of body 1 and the both sides for being symmetrically distributed in opening 11.The set-up mode of second upright post rod assembly 3 is such as the first upright post rod assembly
2, the upper surface of each second upright post rod assembly 3 is connected with the upper surface of 1 inside of housing, lower surface and 1 inside of housing
Lower surface connects.The second upright post rod assembly 3 is used to prevent the deformation of 1 opening of housing, ensures the company of housing 1 and oil pump
It connects.
The shape of second upright post rod assembly 3 can also be arbitrary, such as cylinder or various shapes are composed,
It can be designed according to the shape of opening 11.The present embodiment provides a kind of structure of second upright post rod assembly 3, as shown in figure 8, including
First base 31, support column 32 and second base 33, wherein support column 32 are arranged between first base 31 and second base 33,
The upper end of support column 32 is connected with the lower surface of first base 31, and the lower end of support column 32 connects with the upper surface of second base 33
It connects, and the upper surface of first base 31 is connected with the upper surface of 1 inside of housing, lower surface and 1 inside of housing of second base 33
Lower surface connection.Since common oil pipe is circle, to be matched with oil pipe, the opening 11 may be designed to circle, and described
The upper and lower surface of first base 31 and the upper and lower surface of second base 33 be designed as it is arc-shaped, such as
Shown in Fig. 9.As shown in fig. 7, the arc-shaped upper surface of two the second upright post rod assemblies 3 is set each along the edge of opening, circular arc
The upper surface of shape can enhance the intensity at edge of opening, and constraint edge of opening makes it not generate deformation.Similarly, such as Figure 10 institutes
Show, the connection mode of the second upright post rod assembly 3 and housing 1 is welding, in the upper and lower surface of the second upright post rod assembly 3
On form the second point 36, the setting of the second point 36 can enhance the strong of the second upright post rod assembly 3 and 1 junction of housing
Degree.
Optionally, as shown in Figure 10, the inner hollow of the support column 32, and the size of the lateral cross section of intermediate portion
Less than the upper end or the size of the lateral cross section of lower end.Since the lateral cross section of the center section of support column 32 is smaller, work as support
When the both ends of column 32 are under pressure, entirety can be bent, and the breakage of housing 1 is caused to avoid its support force.In addition, as schemed
Shown in 10, the second groove 35 can be also molded in its side, second groove 35 was around the side of the support column 32 one week.Work as shell
When body 1 falls, the second upright post rod assembly 3 can be broken along the second groove 35 after stress, can be avoided housing 1 due to inner hollow
It ruptures and oil leak.Optionally, the side wall of support column 32 can be single layer structure or double-layer structure, if double-layer structure, such as scheme
It, can be in the central filler reinforcing rib 34 of its double-layer structure shown in 10.The design of double-layer structure can not only mitigate the second column mast
The weight of assembly 3, while also meet the intensity requirement of the second column mast assembly 3.
Optionally, as shown in figure 11, above-mentioned high-pressure plastic fuel tank further includes bandage, and the bandage includes the first arc bandage
41st, the second arc bandage 42 and connecting rod 43, the first arc bandage 41 and the second arc bandage 42 are coated on the outer of housing 1
Portion, one end of the connecting rod 43 are connected with the middle part of the first arc bandage 41, the other end and the second arc bandage 42
Middle part connects, and bandage is arranged at the outside of the housing 1, can improve the crushing resistance of housing 1, while can also be by described in by bandage
Housing 1 is fixed on vehicle body.The bandage can be prepared by low-carbon steel material.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
1. a kind of high-pressure plastic fuel tank, which is characterized in that including：
Housing is prepared by plastics；
First upright post rod assembly is hollow structure, is arranged at the enclosure interior, upper surface and the upper table of the case inside
Face connects, and lower surface is connected with the lower surface of the case inside.
2. high-pressure plastic fuel tank according to claim 1, it is characterised in that：
The first upright post rod assembly includes the cylindrical shape upper bed-plate, cylindrical shape upright post rod and the cylindrical shape lower bottom base that are sequentially connected,
Upper surface of the upper surface of wherein described upper bed-plate as the first upright post rod assembly, the lower surface of the lower bottom base is as institute
The lower surface of the first upright post rod assembly is stated, and the diameter of the upright post rod is less than the diameter of the upper bed-plate and the lower bottom base.
3. high-pressure plastic fuel tank according to claim 2, it is characterised in that：
The upright post rod, side along the circumferential direction form the first groove.
4. high-pressure plastic fuel tank according to claim 3, it is characterised in that：
The first point is formed on the first upright post rod assembly, upper surface and its lower surface；
The first upright post rod assembly, upper surface and the upper surface of the case inside are welded and fixed；Its lower surface with it is described
The lower surface of case inside is welded and fixed.
5. high-pressure plastic fuel tank according to claim 1, which is characterized in that further include and be arranged at the two of the enclosure interior
A second upright post rod assembly, wherein：
The housing is provided with opening, for being connected with oil pump；
Two the second upright post rod assemblies are symmetrically distributed in the both sides of the opening, each second upright post rod assembly
Upper surface is connected with the upper surface of the case inside, lower surface and the case inside of each second upright post rod assembly
Lower surface connection.
6. high-pressure plastic fuel tank according to claim 5, which is characterized in that each second upright post rod assembly includes：
First base, upper and lower surface are arc-shaped, upper table of the upper surface as the second upright post rod assembly
Face；
Support column, the upper end are connected with the lower surface of the first base；
Second base, upper and lower surface are arc-shaped, and upper surface is connected with the lower end of the support column, following table
Lower surface of the face as the second upright post rod assembly.
7. high-pressure plastic fuel tank according to claim 6, it is characterised in that：
The support column, inner hollow, the size of the lateral cross section of intermediate portion are less than the transverse cutting of the upper end or lower end
The size in face；Its side forms the second groove, and second groove was around the side of the support column one week；Its side wall is two layers
Structure, the central filler of the double-layer structure have reinforcing rib.
8. high-pressure plastic fuel tank according to claim 7, it is characterised in that：
Second upright post rod forms the second point in upper and lower surface；
Second upright post rod, upper surface and the upper surface of the case inside are welded and fixed；Its lower surface and the housing
The lower surface of inside is welded and fixed.
9. according to claim 1-8 any one of them high-pressure plastic fuel tanks, which is characterized in that further include：
Bandage, including the first arc bandage, the second arc bandage and connecting rod, the first arc bandage and second arc
Bandage is coated on the outside of the housing, and one end of the connecting rod is connected with the middle part of the first arc bandage, another
End is connected with the middle part of the second arc bandage.
10. high-pressure plastic fuel tank according to claim 9, it is characterised in that：
The bandage is prepared by low-carbon steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367616.8U CN207374114U (en) | 2017-10-23 | 2017-10-23 | High-pressure plastic fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367616.8U CN207374114U (en) | 2017-10-23 | 2017-10-23 | High-pressure plastic fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207374114U true CN207374114U (en) | 2018-05-18 |
Family
ID=62335844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721367616.8U Active CN207374114U (en) | 2017-10-23 | 2017-10-23 | High-pressure plastic fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207374114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334437A (en) * | 2018-09-18 | 2019-02-15 | 上汽通用汽车有限公司 | Hybrid vehicle fuel tank control system, method, storage medium and electronic equipment |
| CN110385981A (en) * | 2019-06-26 | 2019-10-29 | 江铃汽车股份有限公司 | Hybrid vehicle pressure-oil tank and pressure-oil tank system |
-
2017
- 2017-10-23 CN CN201721367616.8U patent/CN207374114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334437A (en) * | 2018-09-18 | 2019-02-15 | 上汽通用汽车有限公司 | Hybrid vehicle fuel tank control system, method, storage medium and electronic equipment |
| CN110385981A (en) * | 2019-06-26 | 2019-10-29 | 江铃汽车股份有限公司 | Hybrid vehicle pressure-oil tank and pressure-oil tank system |
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