CN201858065U - External manual pump device of fuel oil coarse filter for diesel engine - Google Patents
External manual pump device of fuel oil coarse filter for diesel engine Download PDFInfo
- Publication number
- CN201858065U CN201858065U CN2010205630391U CN201020563039U CN201858065U CN 201858065 U CN201858065 U CN 201858065U CN 2010205630391 U CN2010205630391 U CN 2010205630391U CN 201020563039 U CN201020563039 U CN 201020563039U CN 201858065 U CN201858065 U CN 201858065U
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- Prior art keywords
- hand pump
- manual pump
- shell
- fuel oil
- fixed cover
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- Expired - Fee Related
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Abstract
The utility model relates to an external manual pump device of a fuel oil coarse filter for a diesel engine, wherein a manual pump limit shell and a manual pump fixing sleeve are fixed on the plane of an oil outlet cavity of a fuel oil coarse filter seat by a plurality of fixed bolts, a manual pump shell is positioned between the manual pump limit shell and the manual pump fixing sleeve and can freely slide, a sealing rubber ring is arranged between the manual pump shell and the manual pump fixing sleeve, an 'O'-shaped rubber ring is arranged between the manual pump fixing sleeve and the fuel oil filter seat, an inner cavity of the manual pump fixing sleeve is communicated with the oil outlet cavity of the fuel oil coarse filter seat, an offsetting spring is positioned in the inner cavity of the manual pump fixing sleeve, one end of the manual pump shell is provided with an internal sealing thread, and one end of the manual pump fixing sleeve is provided with an external sealing thread. Due to the device, the fuel oil coarse filter seat is free of oil leakage when the diesel engine runs, the service lives of the manual pumps of the fuel oil coarse filter seats are prolonged, and the manufacturing cost is reduced.
Description
Technical field
The utility model relates to diesel engine fuel oil strainer seat hand pump device.
Background technique
Fuel preliminary filter seat hand pump device is applied in the diesel fuel system, be mainly used in engine start before, manually diesel oil is supplied to fuel pipe, get rid of the air in the fuel pipe.If this part air is not excluded, will have influence on the ignition system of motor, motor can't normally be started.For deaeration, need hand pump be set on fuel preliminary filter, before engine start, diesel oil is full of fuel pipe, with deaeration by hand pump.But the hand pump active chamber is arranged in fuel preliminary filter seat inside mostly at present, so the structure and the casting processing more complicated of strainer seat, influence fuel preliminary filter seat hand pump sealing, working life and manufacture cost, and a part is arranged in the hand pump complex structure of filter cleaner outside, and sealing can not be guaranteed.
The model utility content
The technical problems to be solved in the utility model provides a kind of hand pump of external, and improves hand pump pump oil efficient, increases fuel preliminary filter seat hand pump sealing, reaches to improve fuel preliminary filter seat hand pump working life, reduces the purpose of manufacture cost.
The utility model is achieved in that diesel engine fuel oil strainer external hand pump device, fixing bolt is fixed in the fuel preliminary filter seat with the spacing shell of hand pump and hand pump fixed cover and goes out on the oil pocket plane, the hand pump shell also can be free to slide between spacing shell of hand pump and hand pump fixed cover, between hand pump shell and the hand pump fixed cover sealing rubber ring is installed, O type rubber ring is installed between hand pump fixed cover and the fuel filter seat, the oil pocket that goes out of hand pump fixed cover inner chamber and fuel preliminary filter seat top connects, Returnning spring is positioned at hand pump fixed cover inner chamber, hand pump shell one end is provided with interior sealing thread, and hand pump fixed cover one end is provided with the external sealed screw thread.
Above-mentioned diesel engine fuel oil strainer external hand pump device, the spacing shell material of hand pump shell and hand pump is a metallic stamping pieces, hand pump fixed cover material is metallic stamping pieces or plastics.
Above-mentioned diesel engine fuel oil strainer external hand pump device, fixing bolt quantity is two or more.
Effect of the present utility model is that the fuel preliminary filter seat is oil-proof when guaranteeing the diesel engine operation, prolongs the working life of this type of fuel preliminary filter seat hand pump, reduces manufacture cost.
Description of drawings
Fig. 1 is a diesel engine fuel oil strainer seat external hand pump schematic representation of apparatus.
Among the figure, 1. hand pump shell, 2. Returnning spring, 3. hand pump, 4. sealing rubber ring, the 5. spacing shell of hand pump, 6. hand pump fixed cover, 7. in sealing thread, 8. the external sealed screw thread 9. goes out the oil pocket plane, 10. fixing bolt, 11.O the type rubber ring, 12. one-way valves, 13. go out oil pocket, 14. oil pocket in the fuel filter seat, 15. filter cleaner seats, 16. ball valve, 17.. the rotation fitting type filter core, 18. fuel filter housings, 19. oil suction chambers.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, diesel engine fuel oil strainer external hand pump device, three fixing bolts 10 are fixed in going out on the oil pocket plane 9 of fuel preliminary filter seat 14 tops with spacing shell 5 of hand pump and hand pump fixed cover 6, hand pump shell 1 also can be free to slide between spacing shell 5 of hand pump and hand pump fixed cover 6, between hand pump shell 1 and the hand pump fixed cover 6 sealing rubber ring 4 is installed, O type rubber ring 11 is installed between hand pump fixed cover 6 and the fuel filter seat 14, the vertical oil pocket 13 that goes out that goes out on the oil pocket plane 9 with fuel preliminary filter seat 14 tops of hand pump fixed cover 6 inner chambers connects, Returnning spring 2 is positioned at hand pump fixed cover 6 inner chambers, one end of hand pump shell 1 is provided with interior sealing thread 7, and an end of hand pump fixed cover 6 is provided with external sealed screw thread 8.Spacing shell 5 materials of hand pump shell 1 and hand pump are metallic stamping pieces, and hand pump fixed cover 6 materials are oil resistant plastics.Fuel filter housing 18 is installed on the fuel filter seat 14, and rotation fitting type filter core 17 is installed on the fuel filter housing 18.Fuel oil enters oil pocket 15 in the filter cleaner seat that enters after oil rectifier seat 14 and the filtration through rotation fitting type filter core 17 in the fuel filter housing 18 in the fuel filter seat 14 by oil suction chamber 19.
Before the diesel engine operation, carry out pump oil, make fuel oil be full of fuel pipe, get rid of the air in the fuel pipe by fuel preliminary filter external hand pump device.Be specially: when pressing hand pump shell 1, ball valve 16 pressurizeds are closed, and stop fuel flow returns, and this moment, one-way valve 12 pressurizeds were opened, and fuel oil enters out oil pocket 13.When unclamping hand pump 3, ball valve 16 is opened, fuel oil enters hand pump 3 cavitys by ball valve 16 by oil pocket 15 in the filter cleaner seat and replenishes fuel oil, and one-way valve 12 is owing to the negative pressure that produces in hand pump 3 cavitys is closed at this moment, and fuel oil can not arrive out oil pocket 13 in hand pump 3 cavitys.The stroke of hand pump shell 1 is decided by the length of the spacing shell 5 of hand pump with hand pump fixed cover 6, and the change of length dimension has directly determined the fuel delivery of hand pump 3.In external hand pump device pump oil process, seal hand pump 3 cavitys by twice wedge-type seal rubber ring 4.After hand pump 3 is finished using, hand pump shell 1 is pressed, by interior sealing thread 7, external sealed screw thread 8 screws, and hand pump shell 1 is tightened on the hand pump fixed cover 6, cooperation by interior sealing thread 7, external sealed screw thread 8, O RunddichtringO 11 cooperates with wedge-type seal rubber ring 4, constitutes triple seal, and fuel oil can not revealed from hand pump 3 when making the diesel engine operation, the hand pump 3 long-term sealings of using have effectively been improved, working life.The structure of fuel preliminary filter seat is more simple simultaneously, so reduced the manufacture cost of diesel engine fuel oil strainer hand pump device.
Claims (3)
1. diesel engine fuel oil strainer external hand pump device, it is characterized in that fixing bolt (10) is fixed in going out on the oil pocket plane (9) of fuel preliminary filter seat (14) with spacing shell of hand pump (5) and hand pump fixed cover (6), hand pump shell (1) is positioned between spacing shell of hand pump (5) and the hand pump fixed cover (6) and can be free to slide, between hand pump shell (1) and the hand pump fixed cover (6) sealing rubber ring (4) is installed, between hand pump fixed cover (6) and the fuel filter seat (14) O type rubber ring (11) is installed, the oil pocket (13) that goes out of hand pump fixed cover (6) inner chamber and fuel preliminary filter seat (14) top connects, Returnning spring (2) is positioned at hand pump fixed cover (6) inner chamber, one end of hand pump shell (1) is provided with interior sealing thread (7), and an end of hand pump fixed cover (6) is provided with external sealed screw thread (8).
2. diesel engine fuel oil strainer external hand pump device according to claim 1 is characterized in that hand pump shell (1) and the spacing shell of hand pump (5) material are metallic stamping pieces, and hand pump fixed cover (6) material is metallic stamping pieces or plastics.
3. according to claim 1 or 2 described diesel engine fuel oil strainer external hand pump devices, it is characterized in that fixing bolt (10) quantity is two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205630391U CN201858065U (en) | 2010-10-15 | 2010-10-15 | External manual pump device of fuel oil coarse filter for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205630391U CN201858065U (en) | 2010-10-15 | 2010-10-15 | External manual pump device of fuel oil coarse filter for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858065U true CN201858065U (en) | 2011-06-08 |
Family
ID=44103873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205630391U Expired - Fee Related CN201858065U (en) | 2010-10-15 | 2010-10-15 | External manual pump device of fuel oil coarse filter for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201858065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979921A (en) * | 2018-06-25 | 2018-12-11 | 潍柴动力股份有限公司 | Handlance and method for exhausting for fuel filter |
-
2010
- 2010-10-15 CN CN2010205630391U patent/CN201858065U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979921A (en) * | 2018-06-25 | 2018-12-11 | 潍柴动力股份有限公司 | Handlance and method for exhausting for fuel filter |
| WO2020000415A1 (en) * | 2018-06-25 | 2020-01-02 | 潍柴动力股份有限公司 | Hand pump for fuel filter and air discharging method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20171015 |