CN104401221A - Automobile fuel tank - Google Patents
Automobile fuel tank Download PDFInfo
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- CN104401221A CN104401221A CN201410702798.4A CN201410702798A CN104401221A CN 104401221 A CN104401221 A CN 104401221A CN 201410702798 A CN201410702798 A CN 201410702798A CN 104401221 A CN104401221 A CN 104401221A
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- oil suction
- oil
- fuel tank
- casing
- pipe
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses an automobile fuel tank. The automobile fuel tank comprises a tank body (40), an oil pump (10) and an oil pipe (60), wherein the tank body (40) comprises a high tank body (41) and a low tank body (42) which are communicated with each other; the oil pump (10) is mounted on the high tank body (41); the upper end of the oil pipe (60) is connected with the oil pump (10); the automobile fuel tank further comprises a far-end oil absorption joint (50; 80) and an oil absorption hose (70); the far-end oil absorption joint (50; 80) is fixedly connected to the upper surface of the low tank body (42); the upper end of the far-end oil absorption joint (50; 80) is connected with the lower end of the oil pipe (60), while the lower end of the far-end oil absorption joint (50; 80) extends into the low tank body (42) and is connected with the upper end of the oil absorption hose (70); the lower end of the oil absorption hose (70) is in contact with the bottom of the low tank body (42). The automobile fuel tank is good in airtightness; besides, the auxiliary oil pump of the automobile fuel tank in the prior art is omitted, and the cost is reduced.
Description
Technical field
The invention belongs to automotive fuel oil system, be specifically related to a kind of fuel tank of vehicle.
Background technology
When automobile travels on acclive road, the electrolyte level difference of fuel tank internal fuel is larger.When the gradient is comparatively large and fuel tank internal fuel is less, the oil suction bottom oil pump likely higher than the fuel head in fuel tank, now, oil pump will be likely caused to be drawn onto fuel oil, just can not provide combustion to driving engine, exceed certain hour, driving engine certainly will be caused because of flame-out.See Fig. 1, for this reason, generally the casing 40 of fuel tank is improved to the structure comprising high the casing 41 and low casing 42 be interconnected, original oil pump 10 is arranged on high casing 41, auxiliary oil pump 3 set up by low casing 42, and adopt nut 31 and rubber seal 32 to be installed on low casing 42 removably by this auxiliary oil pump 3, adopt oil pipe 60 to connect oil pump 10 and auxiliary oil pump 3 simultaneously.When automobile travels on acclive road, oil pump 10 quits work, and by auxiliary oil pump 3 for driving engine provides fuel oil, its weak point existed is; Because the electrolyte level of the fuel oil 2 in low casing 42 is often lower than the electrolyte level 21 of the fuel oil 2 in high casing 41, the rubber seal 32 be installed on low casing 42 is deformed through being soaked by fuel oil for a long time, life-span can decline, cause the sealing of the junction of auxiliary oil pump 3 on low casing 42 bad, there is the risk of fuel leakage.Meanwhile, owing to having set up auxiliary oil pump 3, make expense and cost higher.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of good airproof performance, lower-cost fuel tank of vehicle.
For solving the problems of the technologies described above, the present invention takes following technical scheme;
A kind of fuel tank of vehicle, comprise casing, oil pump and oil pipe, described casing comprises the high casing and low casing that are interconnected, described oil pump is arranged on above high casing, the upper end of described oil pipe is connected with oil pump: also comprise a far-end oil suction joint and oil suction flexible pipe, described far-end oil suction joint is fixedly connected on above low casing, the upper end of far-end oil suction joint is connected with the lower end of oil pipe, lower end is stretched in low casing, and be connected with the upper end of oil suction flexible pipe, the lower end of described oil suction flexible pipe contacts with the bottom of low casing.
Preferably, described far-end oil suction joint comprises flange, top connection and lower adaptor, described flange is welded in above low casing, described top connection and lower adaptor and flange one-body molded and mutually through, top connection is stretched out to side by flange, its side is connected with the lower end of oil pipe, and lower adaptor is stretched into downwards in low casing by flange, and is connected with the upper end of oil suction flexible pipe.
Preferably, also comprise a flexible pipe, the upper end of described flexible pipe is connected with the lower end of the lower adaptor of far-end oil suction joint, and lower end is connected with the upper end of oil suction flexible pipe.
Preferably, the side of the top connection of described far-end oil suction joint is Bamboo-shaped.
Preferably, the lower end of the lower adaptor of described far-end oil suction joint is Bamboo-shaped.
Preferably, described far-end oil suction joint comprises the integrated hollow connection pipe with low casing, this hollow connection pipe comprises upper part and lower part, its upper part by low casing stretch out above and upper end is connected with the lower end of oil pipe, lower part puts in low casing by facing down under low casing and lower end is connected with the lower end of oil suction flexible pipe.
Preferably, the upper end of the upper part of described hollow connection pipe is Bamboo-shaped.
Preferably, the lower end of the lower part of described hollow connection pipe is Bamboo-shaped.
Preferably, the lower end of described oil suction flexible pipe is the CLB of evagination, which is provided with filter opening.
Preferably, the lower end of described oil suction flexible pipe is the semicircular body of evagination or ellipsoid or parabolic body.
Compared with prior art, the present invention comprises following beneficial effect;
Owing to being provided with far-end oil suction joint above its low casing, the upper end of far-end oil suction joint is connected with the oil suction joint of fuel tank oil pump by oil pipe, lower end connects the oil suction flexible pipe in low casing, and just can realize provides fuel oil to driving engine when automobile travels on acclive road.Not as the fuel tank of vehicle of prior art, need to set up auxiliary oil pump, and adopt nut and rubber seal to be installed on low casing removably by this auxiliary oil pump, the rubber seal be installed on low casing being deformed through being soaked by fuel oil for a long time, causing the sealing of the junction of auxiliary oil pump on low casing bad.Thus, leak tightness of the present invention is better, and eliminates the auxiliary oil pump of the fuel tank of vehicle of prior art, and cost is also much lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fuel tank of vehicle of prior art;
Fig. 2 is the structural representation of the embodiment of the present invention 1;
Fig. 3 is the local structure enlarged diagram of the embodiment of the present invention 1;
Fig. 4 is the local structure enlarged diagram after the embodiment of the present invention 1 increases flexible pipe;
Fig. 5 is the structural representation of the embodiment of the present invention 2;
Fig. 6 is the local structure enlarged diagram of the embodiment of the present invention 2.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
See Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, fuel tank of vehicle of the present invention, comprise casing 40, oil pump 10 and oil pipe 60, described casing 40 comprises the high casing 41 and low casing 42 that are interconnected, described oil pump 10 is arranged on above high casing 41, the upper end of described oil pipe 60 is connected with oil pump 10: from Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 is visible, the present invention also comprises a far-end oil suction joint 50 or far-end oil suction joint 80 and oil suction flexible pipe 70, described far-end oil suction joint 50 or far-end oil suction joint 80 are fixedly connected on above low casing 42, the upper end of far-end oil suction joint 50 or far-end oil suction joint 80 is connected with the lower end of oil pipe 60, lower end is stretched in low casing 42, and be connected with the upper end of oil suction flexible pipe 70, the lower end of described oil suction flexible pipe 70 contacts with the bottom of low casing 42.So, the present invention is not as the fuel tank of vehicle of prior art, need to set up auxiliary oil pump 3, and adopt nut 31 and rubber seal 32 to be installed on low casing 42 removably by this auxiliary oil pump 3, the rubber seal 32 be installed on low casing 42 being deformed through being soaked by fuel oil for a long time, causing the sealing of the junction of auxiliary oil pump 3 on low casing 42 bad.Thus, leak tightness of the present invention is better, and eliminates the auxiliary oil pump 3 of the fuel tank of vehicle of prior art, and cost is also much lower.
Embodiment 1, see Fig. 2 and Fig. 3, described far-end oil suction joint 50 comprises flange 51, top connection 511 and lower adaptor 513, described flange 51 is welded in above low casing 42, described top connection 511 and lower adaptor 513 one-body molded and mutually through with flange 5, top connection 511 is stretched out to side by flange 51, and its side is connected with the lower end of oil pipe 60, lower adaptor 513 is stretched into downwards in low casing 42 by flange 51, and is connected with the upper end of oil suction flexible pipe 70.This makes far-end oil suction joint of the present invention fairly simple and practical.
See Fig. 4, the present invention also comprises a flexible pipe 90, and the upper end of described flexible pipe 90 is connected with the lower end of the lower adaptor 513 of far-end oil suction joint 50, and lower end is connected with the upper end of oil suction flexible pipe 70.Flexible pipe 90 makes, when oil pressure is larger, can cushion, and ensures that fuel feeding is more unimpeded.
See Fig. 3 and Fig. 4, the side of the top connection 511 of described far-end oil suction joint 50 is Bamboo-shaped.This makes top connection 511 and the connection of oil pipe 60 reliable and changes than being easier to.
The lower end of the lower adaptor 513 of described far-end oil suction joint 50 is Bamboo-shaped (not shown in FIG.).This makes lower adaptor 513 and the connection of oil suction flexible pipe 70 reliable and changes than being easier to.
Embodiment 2, see Fig. 5 and Fig. 6, described far-end oil suction joint 80 comprises the integrated hollow connection pipe 83 with low casing 42, this hollow connection pipe 83 comprises upper part 81 and lower part 82, its upper part 81 by low casing 42 stretch out above and upper end is connected with the lower end of oil pipe 60, lower part 82 is faced down for 42 times by low casing and puts in the interior and lower end of low casing 42 and be connected with the lower end of oil suction flexible pipe 70.This makes far-end oil suction joint of the present invention fairly simple and practical equally.
In example 2, the upper end of the upper part 81 of described hollow connection pipe 83 is Bamboo-shaped (not shown in FIG.).This makes the upper part 81 of hollow connection pipe 83 and the connection of oil pipe 60 reliable and changes than being easier to.
The lower end of the lower part 82 of described hollow connection pipe 83 is Bamboo-shaped (not shown in FIG.).This makes the lower part 82 of hollow connection pipe 80 and the connection of oil suction flexible pipe 70 reliable and changes than being easier to.
See Fig. 3 and Fig. 4, in embodiment 1, the lower end of described oil suction flexible pipe 70 is the CLB of evagination, which is provided with filter opening 71.The friction force of lower surface in the lower end of oil suction flexible pipe 70 and the casing 40 of fuel tank can be reduced like this, improve the service life of oil suction flexible pipe 70, and the impurity in fuel oil is filtered, ensure that the fuel oil provided to driving engine is purer quiet.
From Fig. 3 and Fig. 4, in embodiment 1, the lower end of described oil suction flexible pipe 70 is the semicircular body of evagination.This makes the friction force of lower surface in the casing 40 of the lower end of oil suction flexible pipe 70 and fuel tank less, can improve the service life of oil suction flexible pipe 70 better.Certainly, the lower end of oil suction flexible pipe 70 also can be ellipsoid or parabolic body etc.This makes the friction force of the lower end of oil suction flexible pipe 70 and lower fuel tank inside face less equally, can improve the service life of oil suction flexible pipe 70 better.
In above-described embodiment 1, the lower end of oil suction flexible pipe 70 is the CLB of evagination, which is provided with filter opening 71, and the lower end of oil suction flexible pipe 70 is the semicircular body of evagination, the lower end of oil suction flexible pipe 70 also can also be applicable to embodiment 2 for ellipsoid or parabolic body etc., and the friction force of lower surface in the lower end of oil suction flexible pipe 70 and the casing 40 of fuel tank can be reduced equally, improve the service life of oil suction flexible pipe 70, and the impurity in fuel oil is filtered, ensure that the fuel oil provided to driving engine is purer quiet.Meanwhile, make the friction force of the lower end of oil suction flexible pipe 70 and lower fuel tank inside face less equally, the service life of oil suction flexible pipe 70 can be improved better.
Claims (10)
1. a fuel tank of vehicle, comprise casing (40), oil pump (10) and oil pipe (60), described casing (40) comprises the high casing (41) and low casing (42) that are interconnected, described oil pump (10) is arranged on above high casing (41), the upper end of described oil pipe (60) is connected with the oil suction joint of oil pump (10), it is characterized in that: also comprise a far-end oil suction joint (50; 80) and oil suction flexible pipe (70), described far-end oil suction joint (50; 80) be fixedly connected on above low casing (42), far-end oil suction joint (50; 80) upper end is connected with the lower end of oil pipe (60), and lower end is stretched in low casing (42), and is connected with the upper end of oil suction flexible pipe (70), and the lower end of described oil suction flexible pipe (70) contacts with the bottom of low casing (42).
2. fuel tank of vehicle according to claim 1, it is characterized in that: described far-end oil suction joint (50) comprises flange (51), top connection (511) and lower adaptor (513), described flange (51) is welded in above low casing (42), described top connection (511) and lower adaptor (513) are one-body molded and mutually through with flange (5), top connection (511) is stretched out to side by flange (51), its side is connected with the lower end of oil pipe (60), lower adaptor (513) is stretched in low casing (42) downwards by flange (51), and be connected with the upper end of oil suction flexible pipe (70).
3. fuel tank of vehicle according to claim 2, it is characterized in that: also comprise a flexible pipe (90), the upper end of described flexible pipe (90) is connected with the lower end of the lower adaptor (513) of far-end oil suction joint (50), and lower end is connected with the upper end of oil suction flexible pipe (70).
4. fuel tank of vehicle according to claim 3, is characterized in that: the side of the top connection (511) of described far-end oil suction joint (50) is Bamboo-shaped.
5. fuel tank of vehicle according to claim 4, is characterized in that: the lower end of the lower adaptor (513) of described far-end oil suction joint (50) is Bamboo-shaped.
6. fuel tank of vehicle according to claim 1, it is characterized in that: described far-end oil suction joint (80) comprises the integrated hollow connection pipe (83) with low casing (42), this hollow connection pipe (83) comprises upper part (81) and lower part (82), its upper part (81) by low casing (42) stretch out above and upper end is connected with the lower end of oil pipe (60), lower part (82) puts in the interior and lower end of low casing (42) and is connected with the lower end of oil suction flexible pipe (70) by facing down under low casing (42).
7. fuel tank of vehicle according to claim 6, is characterized in that: the upper end of the upper part (81) of described hollow connection pipe (83) is Bamboo-shaped.
8. fuel tank of vehicle according to claim 7, is characterized in that: the lower end of the lower part (82) of described hollow connection pipe (83) is Bamboo-shaped.
9. fuel tank of vehicle according to any one of claim 1 to 8, is characterized in that: described oil suction flexible pipe (70) lower end is the CLB of evagination, which is provided with filter opening (71).
10. fuel tank of vehicle according to claim 9, is characterized in that: the lower end of described oil suction flexible pipe (70) is the semicircular body of evagination or ellipsoid or parabolic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410702798.4A CN104401221B (en) | 2014-11-29 | 2014-11-29 | A kind of fuel tank of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410702798.4A CN104401221B (en) | 2014-11-29 | 2014-11-29 | A kind of fuel tank of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104401221A true CN104401221A (en) | 2015-03-11 |
| CN104401221B CN104401221B (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410702798.4A Active CN104401221B (en) | 2014-11-29 | 2014-11-29 | A kind of fuel tank of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104401221B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61287821A (en) * | 1985-06-17 | 1986-12-18 | Nissan Motor Co Ltd | Two-barrel type fuel tank |
| JPH0249965A (en) * | 1988-08-12 | 1990-02-20 | Japan Electron Control Syst Co Ltd | Fuel supply device |
| FR2698829A1 (en) * | 1992-12-03 | 1994-06-10 | Peugeot | Vehicle fuel reservoir with two tanks - has connecting flow way and syphon tube including closing valve positioned in one end which is actuated by level gauge float |
| CN102472207A (en) * | 2009-07-16 | 2012-05-23 | 本田技研工业株式会社 | Fuel tank |
| CN203637567U (en) * | 2013-12-30 | 2014-06-11 | 重庆长安汽车股份有限公司 | Automobile engine fuel tank |
-
2014
- 2014-11-29 CN CN201410702798.4A patent/CN104401221B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61287821A (en) * | 1985-06-17 | 1986-12-18 | Nissan Motor Co Ltd | Two-barrel type fuel tank |
| JPH0249965A (en) * | 1988-08-12 | 1990-02-20 | Japan Electron Control Syst Co Ltd | Fuel supply device |
| FR2698829A1 (en) * | 1992-12-03 | 1994-06-10 | Peugeot | Vehicle fuel reservoir with two tanks - has connecting flow way and syphon tube including closing valve positioned in one end which is actuated by level gauge float |
| CN102472207A (en) * | 2009-07-16 | 2012-05-23 | 本田技研工业株式会社 | Fuel tank |
| CN203637567U (en) * | 2013-12-30 | 2014-06-11 | 重庆长安汽车股份有限公司 | Automobile engine fuel tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104401221B (en) | 2016-11-23 |
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