CN204371532U - There is the motorcycle tank of Oil-gas Separation and drip-preventing function - Google Patents
There is the motorcycle tank of Oil-gas Separation and drip-preventing function Download PDFInfo
- Publication number
- CN204371532U CN204371532U CN201420752009.3U CN201420752009U CN204371532U CN 204371532 U CN204371532 U CN 204371532U CN 201420752009 U CN201420752009 U CN 201420752009U CN 204371532 U CN204371532 U CN 204371532U
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- China
- Prior art keywords
- oil
- sealing seat
- tubular structure
- fuel
- cage
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- Expired - Fee Related
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses a kind of motorcycle tank with Oil-gas Separation and drip-preventing function, comprise casing and case lid, case lid comprises cage and cover plate, there is in the middle part of cage the tubular structure exported to fuel tank side, the inside of tubular structure is provided with oil-gas separating filter element, sealing seat is provided with the seal ring coordinated with interface end face annular on cage, oil inlet hole Spielpassung on the outer surface of described tubular structure and sealing seat, the end face of described sealing seat is provided with annular oil storage tank.The utility model by the oil-gas separating filter element on case lid by fuel oil and air separation, thus avoid fuel oil leak cause fuel oil waste and atmospheric pollution, achieve the air pressure balance inside and outside fuel tank simultaneously, and form multiple-sealed structure by tubular structure, annular oil storage tank etc., the fuel oil rocked in driving conditions can be avoided to contact with seal ring through gap between casing with case lid, the aging quickening problem that oil cylinder leakage problem and seal ring and fuel contacts cause can be stopped.
Description
Technical field
The utility model relates to motorcycle part, particularly a kind of fuel tank of motorcycle.
Background technique
Motorcycle tank is generally made up of casing and the case lid be arranged on casing top, opens case lid, can refuel in fuel tank.
In prior art, in order to make the fuel oil in fuel tank flow out smoothly, case lid is generally all provided with air equalizer opening, to make the air pressure in fuel tank equal with barometric pressure.Although this structure can make fuel tank intermediate fuel oil flow out smoothly, the oil vapor in fuel tank also can be run out of simultaneously from air equalizer opening, causes fuel oil to waste and atmospheric pollution.
And when driving, gasoline there will be and rocks in fuel tank, and in order to avoid gasoline is revealed between case lid and casing joint, prior art have employed and arrange rubber seal between cylinder cap and casing.But due to seal ring easily aging, and the contact of gasoline and seal ring can accelerate the aging process of seal ring, and therefore existing motorcycle oil cylinder still there will be the problem of cylinder cap place leakage of oil.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of motorcycle tank with Oil-gas Separation and drip-preventing function, to solve existing motorcycle tank intermediate fuel oil steam from the problem that the air equalizer opening fuel tank cap is revealed and fuel oil is revealed from case lid and casing connecting part.
The utility model has the motorcycle tank of Oil-gas Separation and drip-preventing function, comprise casing and case lid, described casing top is provided with oil filler, also comprises the sealing seat being welded on housing filler portion, is provided with the oil inlet hole just right with oil filler in the middle part of described sealing seat;
Described case lid comprises cage and cover plate, the edge of described cage has the ring interface with sealing seat screw-thread fit, there is in the middle part of described cage the tubular structure exported to fuel tank side, the bottom of described tubular structure is provided with inlet hole, the inside of tubular structure is provided with oil-gas separating filter element, described cover plate is fixed by screws on the end face of cage, and cover plate is provided with air outlet hole;
Described sealing seat is provided with the seal ring coordinated with interface end face annular on cage, oil inlet hole Spielpassung on the outer surface of described tubular structure and sealing seat, the end face of described sealing seat is provided with annular oil storage tank.
Further, the top of the inherent oil-gas separating filter element of described tubular structure is provided with rubber membrane, and described rubber pattern is provided with air hole; Under the air pressure balance state of rubber membrane upper and lower both sides, described air hole is in pinch confinement shape body; Under the air pressure non-equilibrium state of rubber membrane upper and lower both sides, described air hole is in extension aeration status.
Further, oil suction felt is also provided with in described annular oil storage tank.
Further, described cylinder cap is provided with the annular boss with annular oil storage tank Spielpassung.
Further, the gap width between described gear oil column and oil inlet hole is 0.10 ~ 0.20mm.
The beneficial effects of the utility model:
1, the utility model has the motorcycle tank of Oil-gas Separation and drip-preventing function, it by arranging oil-gas separating filter element on cage, fuel-steam in oil box from the inlet hole on case lid seat discharged to air time, oil-gas separating filter element is by fuel oil and air separation, be separated lower fuel oil automatically to flow back in oil box under gravity, thus avoid the fuel oil fuel oil caused that leaks and waste and atmospheric pollution; Air from the pore turnover cage and cover plate, can achieve the air pressure balance inside and outside fuel tank, can ensure that in fuel tank, fuel oil is discharged smoothly simultaneously.
2, the utility model has the motorcycle tank of Oil-gas Separation and drip-preventing function, and its tubular structure has barrier functionality, and fuel oil can be made to be not easy the gap entered between tubular structure and sealing seat; And because the gap between tubular structure and sealing seat is less, and the axial length in gap is longer between sealing seat and oil inlet hole, even if there is a small amount of fuel oil to enter the matching gap of keeping off between oil column and sealing seat, these fuel oils also more difficult rising along matching gap arrive case lid lid and sealing seat end face auxiliary section; Even and if having a small amount of fuel oil by case lid and sealing seat end face auxiliary section, these fuel oils also can be stored in the annular oil storage tank on sealing seat end face, and can not contact with seal ring; The fuel oil rocked in driving conditions can be avoided to contact with seal ring through gap between casing with case lid, oil cylinder leakage problem can be stopped; And due to seal ring not with fuel contacts, its aged deterioration time can extend greatly.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the motorcycle tank with Oil-gas Separation and drip-preventing function;
Fig. 2 is the A portion zoomed-in view in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in the figure, the present embodiment has the motorcycle tank of Oil-gas Separation and drip-preventing function, comprises casing 1 and case lid, and described casing top is provided with oil filler, also comprise the sealing seat 2 being welded on housing filler portion, in the middle part of described sealing seat, be provided with the oil inlet hole just right with oil filler;
Described case lid comprises cage and cover plate 3, the edge of described cage has the ring interface 4 with sealing seat screw-thread fit, there is in the middle part of described cage the tubular structure 5 exported to fuel tank side, the bottom of described tubular structure is provided with inlet hole 6, the inside of tubular structure is provided with oil-gas separating filter element 7, described cover plate is fixed on the end face of cage by screw 8, cover plate is provided with air outlet hole 9;
Described sealing seat is provided with the seal ring 10 coordinated with interface end face annular on cage, oil inlet hole Spielpassung on the outer surface of described tubular structure and sealing seat, the end face of described sealing seat is provided with annular oil storage tank 11.
In the present embodiment, gap width between the outer surface of described tubular structure and oil inlet hole is 0.10mm, certainly in a particular embodiment, gap width between tubular structure and oil inlet hole also can be other value within the scope of 0.10 ~ 0.20mm, gap width is less, sealability is better, and certain manufacture difficulty is also larger, can specifically select as required in a particular embodiment.
The present embodiment has the motorcycle tank of Oil-gas Separation and drip-preventing function, it by arranging oil-gas separating filter element on cage, fuel-steam in oil box from the inlet hole on case lid seat discharged to air time, oil-gas separating filter element is by fuel oil and air separation, be separated lower fuel oil automatically to flow back in oil box under gravity, thus avoid the fuel oil fuel oil caused that leaks and waste and atmospheric pollution; Air from the pore turnover cage and cover plate, can achieve the air pressure balance inside and outside fuel tank, can ensure that in fuel tank, fuel oil is discharged smoothly simultaneously.
Further, the present embodiment has the motorcycle tank of Oil-gas Separation and drip-preventing function, and its tubular structure has barrier functionality, and fuel oil can be made to be not easy the gap entered between tubular structure and sealing seat; And because the gap between tubular structure and sealing seat is less, and the axial length in gap is longer between sealing seat and oil inlet hole, even if there is a small amount of fuel oil to enter the matching gap of keeping off between oil column and sealing seat, these fuel oils also more difficult rising along matching gap arrive case lid lid and sealing seat end face auxiliary section; Even and if having a small amount of fuel oil by case lid and sealing seat end face auxiliary section, these fuel oils also can be stored in the annular oil storage tank on sealing seat end face, and can not contact with seal ring; The fuel oil rocked in driving conditions can be avoided to contact with seal ring through gap between casing with case lid, oil cylinder leakage problem can be stopped; And due to seal ring not with fuel contacts, its aged deterioration time can extend greatly.
As the improvement to the present embodiment, the top of the inherent oil-gas separating filter element of described tubular structure is provided with rubber membrane 12, described rubber pattern is provided with air hole 13; Under the air pressure balance state of rubber membrane upper and lower both sides, described air hole is in pinch confinement shape body; Under the air pressure non-equilibrium state of rubber membrane upper and lower both sides, described air hole is in extension aeration status.
Due to the elastic performance of rubber membrane, during fuel tank exhaust, air pressure in fuel tank raises high pressure external atmosphere pressure, and in fuel tank, air can upwardly rubber membrane, and rubber membrane is upheld and then the air hole on it is also expanded, thus realizes exhaust; Otherwise when fuel tank internal air pressure reduces, air can promote downwards rubber membrane makes it uphold, thus realizes air inlet, to ensure fuel tank inside and outside air pressure balance, makes fuel oil in fuel tank discharge smoothly.
And when fuel tank inside and outside air pressure balance, rubber membrane natural shrinking makes the air hole on it close, thus gasoline volatilization can be stopped escape from fuel tank, be conducive to reducing fuel loss further.
As the improvement to the present embodiment, oil suction felt 14 is also provided with in described annular oil storage tank, after having a small amount of fuel oil to enter annular oil storage tank, oil suction felt can be adsorbed, fuel oil when driving can be avoided to rock in annular oil storage tank, and can automatically be evaporated by the fuel oil adsorbed becomes steam discharge.
As the improvement to the present embodiment, described cylinder cap is provided with the annular boss 15 with annular oil storage tank Spielpassung, the fuel oil in annular oil storage tank can be stoped to enter into end clearance between cylinder cap and sealing seat, sealability can be improved further.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. one kind has the motorcycle tank of Oil-gas Separation and drip-preventing function, comprise casing and case lid, described casing top is provided with oil filler, it is characterized in that: also comprise the sealing seat being welded on housing filler portion, is provided with the oil inlet hole just right with oil filler in the middle part of described sealing seat;
Described case lid comprises cage and cover plate, the edge of described cage has the ring interface with sealing seat screw-thread fit, there is in the middle part of described cage the tubular structure exported to fuel tank side, the bottom of described tubular structure is provided with inlet hole, the inside of tubular structure is provided with oil-gas separating filter element, described cover plate is fixed by screws on the end face of cage, and cover plate is provided with air outlet hole;
Described sealing seat is provided with the seal ring coordinated with interface end face annular on cage, oil inlet hole Spielpassung on the outer surface of described tubular structure and sealing seat, the end face of described sealing seat is provided with annular oil storage tank.
2. the motorcycle tank with Oil-gas Separation and drip-preventing function according to claim 1, is characterized in that: the top of the inherent oil-gas separating filter element of described tubular structure is provided with rubber membrane, and described rubber pattern is provided with air hole; Under the air pressure balance state of rubber membrane upper and lower both sides, described air hole is in pinch confinement shape body; Under the air pressure non-equilibrium state of rubber membrane upper and lower both sides, described air hole is in extension aeration status.
3. the motorcycle tank with Oil-gas Separation and drip-preventing function according to claim 2, is characterized in that: be also provided with oil suction felt in described annular oil storage tank.
4. the motorcycle tank with Oil-gas Separation and drip-preventing function according to claim 3, is characterized in that: described cylinder cap is provided with the annular boss with annular oil storage tank Spielpassung.
5. the motorcycle tank with Oil-gas Separation and drip-preventing function according to claim 4, is characterized in that: the gap width between described gear oil column and oil inlet hole is 0.10 ~ 0.20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752009.3U CN204371532U (en) | 2014-12-03 | 2014-12-03 | There is the motorcycle tank of Oil-gas Separation and drip-preventing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752009.3U CN204371532U (en) | 2014-12-03 | 2014-12-03 | There is the motorcycle tank of Oil-gas Separation and drip-preventing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371532U true CN204371532U (en) | 2015-06-03 |
Family
ID=53327758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420752009.3U Expired - Fee Related CN204371532U (en) | 2014-12-03 | 2014-12-03 | There is the motorcycle tank of Oil-gas Separation and drip-preventing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204371532U (en) |
-
2014
- 2014-12-03 CN CN201420752009.3U patent/CN204371532U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20151203 |
|
| EXPY | Termination of patent right or utility model |