CN203651466U - One-way valve for preventing oil return of automobile oil filling pipe - Google Patents
One-way valve for preventing oil return of automobile oil filling pipe Download PDFInfo
- Publication number
- CN203651466U CN203651466U CN201320889763.7U CN201320889763U CN203651466U CN 203651466 U CN203651466 U CN 203651466U CN 201320889763 U CN201320889763 U CN 201320889763U CN 203651466 U CN203651466 U CN 203651466U
- Authority
- CN
- China
- Prior art keywords
- blade
- fuel
- filling pipe
- fuel tank
- oil
- 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 - 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 check valve for preventing car adds oil pipe oil return, its characterized in that: it includes that one end is equipped with barrel, three blade connecting axles of flange along circumference, the one end and the barrel inner wall connection of three blade connecting axles, the other end interconnect of three blade connecting axles, all be equipped with the blade fixed slot on the three blade connecting axles, the one end of three blade is located three blade fixed slot respectively, the even interval arrangement of barrel has four openings, four open-ended one ends all are equipped with spacing arch. The check valve is arranged on the fuel tank oil filling pipe, when fuel enters the fuel tank, the fuel flow is not affected, when the fuel flow direction is the direction of flowing out of the fuel tank from the oil filling pipe, the fuel valve plate is closed, the fuel is prevented from reversely flowing into the oil filling pipe, and the fuel gun is advanced to jump under the condition that the fuel tank is not filled; the structure is simple, the manufacturing cost is low, and the popularization is easy.
Description
Technical field
The utility model relates to auto parts and components, particularly a kind of for preventing the check valve of automobile refuelling pipe oil return.
Background technology
At present, fuel tank of vehicle is in the process of refueling, and while often there will be oil not fill it up with, gasoline is back to fuel filler pipe, causes nozzle early jump rifle, has a strong impact on and adds oil quality and oiling, has also caused a lot of unnecessary troubles to Oil supplier.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, easy to use for preventing the check valve of automobile refuelling pipe oil return in order to overcome above-mentioned deficiency.
The utility model is achieved in that the check valve for preventing automobile refuelling pipe oil return, it is characterized in that: it comprises that one end is along the cylindrical shell that is circumferentially with flange, three blades, three blade adapter shafts, one end of described three blade adapter shafts is connected with cylinder inboard wall, the other end of described three blade adapter shafts interconnects, on described three blade adapter shafts, be equipped with blade hold down groove, one end of described three blades lays respectively in three blade hold down grooves, the even interval of described cylindrical shell is furnished with four openings, one end of described four openings is equipped with spacing preiection.
One end of described blade is provided with the snap fit coordinating with blade hold down groove.
The utility model is by being arranged on check valve on fuel tank fuel filler pipe, in the time that fuel oil enters fuel tank, fuel flow is unaffected, when fuel flow direction is while flowing out fuel tank direction from fuel filler pipe, fuel oil valve block is closed, prevent that fuel oil from oppositely flowing into fuel filler pipe, cause fuel tank not fill it up with in situation, nozzle early jump rifle; It is simple in structure, and low cost of manufacture is easy to promote.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the connection diagram of check valve and fuel filler pipe.
Fig. 3 is the connection diagram of blade and blade adapter shaft.
Fig. 4 is the section-drawing of blade adapter shaft.
The specific embodiment
Further illustrate the utility model below in conjunction with drawings and Examples.
Embodiment: a kind of for preventing the check valve of automobile refuelling pipe oil return, it comprises that one end is along the cylindrical shell 1 that is circumferentially with flange 11, three blades 2, three blade adapter shafts 3, one end of three blade adapter shafts 3 is connected with cylindrical shell 1 inwall, the other end of three blade adapter shafts 3 interconnects, on three blade adapter shafts 3, be equipped with blade hold down groove 31, one end of three blades 2 lays respectively in three blade hold down grooves 31, the even interval of cylindrical shell 1 is furnished with four openings 12, one end of four openings 12 is equipped with spacing preiection 13, one end of blade 2 is provided with the snap fit 21 coordinating with blade hold down groove 31.
When oil gun refuels to fuel filler pipe 4, fuel oil flows to as entering casing 5 when interior from casing 5 outer flow, and three blades 2 rotate 75-80 ° to casing 5 internal direction along S. A., and fuel oil flows into casing 5 inside by cylindrical shell 1; In the time that fuel oil flows out from casing 5 is inner, fuel oil promotes three blades 2 forward to closure state, stops fuel oil to flow out from casing 5, causes potential safety hazard.
Claims (2)
1. one kind for preventing the check valve of automobile refuelling pipe oil return, it is characterized in that: it comprises that one end is along the cylindrical shell (1) that is circumferentially with flange (11), three blades (2), three blade adapter shafts (3), one end of described three blade adapter shafts (3) is connected with cylindrical shell (1) inwall, the other end of described three blade adapter shafts (3) interconnects, on described three blade adapter shafts (3), be equipped with blade hold down groove (31), one end of described three blades (2) lays respectively in three blade hold down grooves (31), described cylindrical shell (1) is evenly furnished with four openings (12) in interval, one end of described four openings (12) is equipped with spacing preiection (13).
By claimed in claim 1 for preventing the check valve of automobile refuelling pipe oil return, it is characterized in that: one end of described blade (2) is provided with the snap fit (21) coordinating with blade hold down groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889763.7U CN203651466U (en) | 2013-12-31 | 2013-12-31 | One-way valve for preventing oil return of automobile oil filling pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889763.7U CN203651466U (en) | 2013-12-31 | 2013-12-31 | One-way valve for preventing oil return of automobile oil filling pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203651466U true CN203651466U (en) | 2014-06-18 |
Family
ID=50917896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889763.7U Expired - Fee Related CN203651466U (en) | 2013-12-31 | 2013-12-31 | One-way valve for preventing oil return of automobile oil filling pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203651466U (en) |
-
2013
- 2013-12-31 CN CN201320889763.7U patent/CN203651466U/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: 20140618 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |