CN203925833U - There is the fuel filter of moisture filtering device - Google Patents
There is the fuel filter of moisture filtering device Download PDFInfo
- Publication number
- CN203925833U CN203925833U CN201420290476.9U CN201420290476U CN203925833U CN 203925833 U CN203925833 U CN 203925833U CN 201420290476 U CN201420290476 U CN 201420290476U CN 203925833 U CN203925833 U CN 203925833U
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- CN
- China
- Prior art keywords
- filter
- outlet pipe
- valve
- cylinder
- cleaner body
- 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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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a kind of fuel filter is provided, comprise filter cleaner body and filter core, the inwall of the outer wall of described filter core and filter cleaner body forms exocoel, on described filter cleaner body, be provided with the first outlet pipe and the second outlet pipe, described fuel filter also comprises moisture filtering device.Moisture filtering device comprises: be arranged at valve between the first outlet pipe and the second outlet pipe, near the cylinder of valve setting, be arranged at piston in cylinder, be connected in the piston rod between piston and valve and be arranged at the ball float in exocoel, on described cylinder, be provided with suction port and air outlet, on air outlet, be provided with the first one-way valve, on suction port, be provided with the second one-way valve, in cylinder, be fixedly installed spring, spring is connected with ball float by connecting rod, and described spring is connected with the second one-way valve with the first one-way valve.The beneficial effects of the utility model are: can, effectively by the moisture filtering in fuel oil, prevent that each parts are by moisture corrosion, and simple in structure.
Description
Technical field
The utility model relates to a kind of filter cleaner, particularly relates to a kind of fuel filter.
Background technique
Fuel filter is deleterious particle in the engine fuel gas system of filtering automobile and the vitals of moisture, and it has protected oil pump nozzle, cylinder sleeve, piston ring etc., reduces wear, and avoids stopping up.In prior art, fuel filter comprises filter cleaner body and filter core, the inwall of described filter cleaner body and the outer wall of filter core form exocoel, in filter core, it is inner chamber, fuel oil enters inner chamber by exocoel from filter core, and filter core will fire well cuts elimination, but for not processing moisture, moisture enters into engine fuel oil system and can make each parts be corroded by moisture, and each parts easily damage.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of fuel filter with moisture filtering device, can, effectively by the moisture filtering in fuel oil, prevent that each parts are by moisture corrosion, and simple in structure.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of fuel filter with moisture filtering device is provided, comprise filter cleaner body and filter core, the inwall of the outer wall of described filter core and filter cleaner body forms exocoel, on described filter cleaner body, be provided with the first outlet pipe and the second outlet pipe, described fuel filter also comprises moisture filtering device, described moisture filtering device comprises: be arranged at the valve between the first outlet pipe and the second outlet pipe, the cylinder arranging near valve, be arranged at the piston in cylinder, be connected in the piston rod between piston and valve and be arranged at the ball float in exocoel, on described cylinder, be provided with suction port and air outlet, on air outlet, be provided with the first one-way valve, on suction port, be provided with the second one-way valve, in described cylinder, be fixedly installed spring, described spring is connected with ball float by connecting rod, described spring is connected with the second one-way valve with the first one-way valve.
Further, the joint of described connecting rod and filter cleaner body is provided with seal ring.
The beneficial effects of the utility model: the first outlet pipe and the second outlet pipe are set in filter cleaner body bottom, joint at the first outlet pipe and the second outlet pipe is provided with valve, valve is connected with the piston being arranged in cylinder, thereby ball float being closed or being opened by the suction port on control cylinder and air outlet, carry out the movement of control piston, thereby control being communicated with of the first outlet pipe and the second outlet pipe by control valve.Because the gap of fuel density and moisture density is little, little to the buoyancy of ball float, thus need larger power carry out the unlatching of control valve or close.The utility model adopts ball float to carry out the turnover of control cylinder compressed air, thereby drives the running of valve with pressurized air, can, effectively by the moisture filtering in fuel oil, prevent that each parts are by moisture corrosion, and simple in structure.
Brief description of the drawings
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is the sectional view that the utlity model has the fuel filter of moisture filtering device.
Fig. 2 is the enlarged view at A place in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment: as shown in Figure 1 and Figure 2, a kind of fuel filter with moisture filtering device comprises: filter cleaner body 1, filter core 2 and moisture filtering device 4.
Particularly, on filter cleaner body 1, be provided with filler opening 10 and oil outlet 11.Filter core 2 is arranged in filter cleaner body 1, is provided with the cavity matching with the shape of filter core 2 in filter cleaner body 1, and filter core is arranged in cavity.The outer wall of the outer wall of filter cleaner body 1 and filter core 2 forms exocoel 12, the interior formation inner chamber 13 of filter core 2.Pressure regulator valve 3 is arranged at the edge of filter cleaner body 1, and this pressure regulator valve 3 is communicated with oil outlet 11 by tee union.The bottom of filter cleaner body 1 is provided with the first outlet pipe 14 being communicated with exocoel 12, and, on described filter cleaner body 1, be also provided with the second outlet pipe 15 with the close position of the first outlet pipe 14.
Described moisture filtering device 4 comprises the ball float 40 being arranged in exocoel 12, cylinder 41 and the valve 42 that is provided with close the first outlet pipe 14 in filter cleaner body 1.Valve 42 is arranged at the joint of the first outlet pipe 14 and the second outlet pipe 15, in described cylinder 41, is provided with piston 43, and described piston 43 is connected with valve 42 by piston rod 44.On cylinder 41, be provided with air outlet 410 and suction port 411, be provided with the first one-way valve 412 on described air outlet 410, be arranged at the second one-way valve 413 on described suction port 411, said suction port 411 is for connecting pressurized air.Cylinder bottom is fixed with a spring 45, and spring 45 is connected by connecting rod 46 with ball float 40, and this spring 45 is connected with the second one-way valve 413 with the first one-way valve 412, and connecting rod 46 is being provided with seal ring with the joint of filter cleaner body 1, prevents that fuel oil from entering in cylinder 41.The density of described ball float 40 is between fuel density and moisture density.
Working principle of the present utility model: fuel oil enters in the exocoel 12 in filter cleaner body 1 by filler opening 10, because fuel density is less than moisture density, enter the bottom of deposit of moisture contained in the fuel oil in exocoel 12 at exocoel 12, fuel oil in exocoel 12 enters in inner chamber 13 after by filter core 2, filter core 2 carries out filtration treatment to fuel oil, disposes granule foreign.Long-term precipitation, makes to rise on the separatrix of fuel oil and moisture, and ball float 40 also rises thereupon, ball float 40 rises and draws spring 45 by connecting rod 46, spring 45 extends, and the first one-way valve 412 on air outlet 410 is closed, and the second one-way valve 413 on suction port 411 is opened, pressurized air enters in cylinder 41, act on the piston 43 in cylinder 41, piston 43 acts on valve 42 by piston rod 44, and valve 42 is opened, the first outlet pipe 14 is communicated with the second outlet pipe 15, and moisture flows out.Along with the outflow of moisture, ball float 40 declines, ball float 40 drops to after certain altitude, the first one-way valve 412 is opened, and the second one-way valve 413 is closed simultaneously, does not have pressurized air to enter in cylinder 41, pressurized air in cylinder 41 is discharged from air outlet 410 rapidly, piston 43 is got back to original position, and valve 42 is closed simultaneously, stops fuel oil to spill.
These are only mode of execution of the present utility model; not thereby limit the scope of the claims of the present invention; every equivalent structure that utilizes the utility model specification and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, all in like manner within scope of patent protection of the present utility model.
Claims (2)
1. one kind has the fuel filter of moisture filtering device, comprise filter cleaner body and filter core, the inwall of the outer wall of described filter core and filter cleaner body forms exocoel, it is characterized in that, on described filter cleaner body, be provided with the first outlet pipe and the second outlet pipe, described fuel filter also comprises moisture filtering device, described moisture filtering device comprises: be arranged at the valve between the first outlet pipe and the second outlet pipe, the cylinder arranging near valve, be arranged at the piston in cylinder, be connected in the piston rod between piston and valve and be arranged at the ball float in exocoel, on described cylinder, be provided with suction port and air outlet, on air outlet, be provided with the first one-way valve, on suction port, be provided with the second one-way valve, in described cylinder, be fixedly installed spring, described spring is connected with ball float by connecting rod, described spring is connected with the second one-way valve with the first one-way valve.
2. the fuel filter with moisture filtering device according to claim 1, is characterized in that, the joint of described connecting rod and filter cleaner body is provided with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420290476.9U CN203925833U (en) | 2014-06-03 | 2014-06-03 | There is the fuel filter of moisture filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420290476.9U CN203925833U (en) | 2014-06-03 | 2014-06-03 | There is the fuel filter of moisture filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203925833U true CN203925833U (en) | 2014-11-05 |
Family
ID=51821654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420290476.9U Expired - Fee Related CN203925833U (en) | 2014-06-03 | 2014-06-03 | There is the fuel filter of moisture filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203925833U (en) |
-
2014
- 2014-06-03 CN CN201420290476.9U patent/CN203925833U/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: 20141105 Termination date: 20150603 |
|
| EXPY | Termination of patent right or utility model |