CN208024493U - A kind of automatic vent type diesel fuel filter - Google Patents
A kind of automatic vent type diesel fuel filter Download PDFInfo
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- CN208024493U CN208024493U CN201820408200.4U CN201820408200U CN208024493U CN 208024493 U CN208024493 U CN 208024493U CN 201820408200 U CN201820408200 U CN 201820408200U CN 208024493 U CN208024493 U CN 208024493U
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- lower housing
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Abstract
A kind of automatic vent type diesel fuel filter, belong to diesel fuel filter technical field, this diesel fuel filter includes upper shell and lower housing, oil inlet is set on upper shell, oil outlet and exhaust outlet, diesel-oil filter element is set in lower housing, it is additionally provided between upper shell and lower housing by the automatic control device of air discharge extra in lower housing, automatic control device includes the liquid level sensor for detecting diesel oil liquid level in lower housing, receive liquid level sensor liquid level signal and the relay of conducting, the electrodynamic pump of air in lower housing is connected and is discharged with relay, the utility model has the beneficial effects that, the diesel fuel filter overall structure is simple, it is easy for installation, it realizes and oil circuit is vented automatically, substantially increase bleeding efficiency, reduce labor intensity, it ensure that the safe normal operation of diesel engine.
Description
Technical field
The utility model is related to diesel fuel filter technical field more particularly to a kind of automatic vent type diesel fuel filters.
Background technology
Diesel engine fuel-firing has to cleaning, no moisture, without gas, and the equipment for completing this work is diesel oil filtering
Device.Existing diesel fuel filter is made of diesel oil filter block and diesel-oil filter element, and diesel-oil filter element is mounted on the lower section of diesel oil filter block, bavin
Oily filter core is responsible for completing the work of impurity and moisture in filter fuel.
There are oil inlet interface tube, fuel-displaced interface tube and exhaust Luo Sai on traditional diesel oil filter block, if having air in fuel oil
Exhaust Luo Sai must manually be unscrewed, operation is exhausted, such exhaust operation is very complicated, and when being vented operation, there are many more oil
Foam also exhausts, and causes many fuel oil wastes, and polluted environment；In addition domestic diesel fuel filter is by a hand oil pump
To carry out degasification to diesel oil pipeline, during diesel engine use, since diesel oil pipeline is poorly sealed or parks for a long time, bavin
Oil pipe line can cause diesel oil that can not light a fire startup into large quantity of air, need driver commonly using hand oil pump to pipeline degasification,
Since manual operation is inconvenient, cause to increase driver's labor intensity.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of automatic vent type diesel fuel filter, solves
After fuel oil containing large quantity of air enters diesel fuel filter, manual exhaust is cumbersome, keeps exhaust efficiency low and increases operator
The problem of labor intensity, it is therefore intended that, by designing a kind of automatic vent type diesel fuel filter, diesel fuel filter can be monitored in real time
Interior diesel oil liquid level, can drive automatic control device to act when liquid level is too low, and internal air is discharged, behaviour is substantially increased
Make efficiency, reduce labor intensity, ensure that the safe normal operation of diesel engine.
To achieve the above object, technical solution adopted by the utility model to solve its technical problems is：The automatic row
Gas formula diesel fuel filter, including upper shell and lower housing, setting oil inlet, oil outlet and exhaust outlet on upper shell, in lower housing
Diesel-oil filter element is set, which is characterized in that is additionally provided between the upper shell and lower housing by air row extra in lower housing
The automatic control device gone out, the automatic control device include for detecting the liquid level sensor of diesel oil liquid level in lower housing, connecing
The electrodynamic pump for receiving liquid level sensor liquid level signal and the relay of conducting, connecting with relay and air in lower housing being discharged.
Further, the liquid level sensor is set as photoelectric sensor, and is arranged in the upper end of diesel-oil filter element and consolidates
It is scheduled on the side of lower housing.
Further, the electrodynamic pump setting is provided with intake interface and outlet interface, institute on upper shell, on electrodynamic pump
It states intake interface with exhaust outlet to be connected, automatic exhaust steam valve is set on the outlet interface.
Further, the liquid level sensor is connected by power supply with the electromagnetic coil of relay, and the electrodynamic pump passes through
Power supply is connected with relay, and the electrodynamic pump is in parallel with liquid level sensor.
Further, the upper end center of the diesel-oil filter element is connected with oil outlet pipe, and oil outlet pipe extends upwardly into upper shell
Interior, the upper end of oil outlet pipe is provided with check valve, and the exhaust outlet is arranged in oil outlet pipe upper end side.
Further, it is threadedly coupled between the oil outlet pipe and diesel-oil filter element.
The utility model has the beneficial effects that：
This diesel fuel filter monitors the diesel oil liquid level in lower housing by liquid level sensor in real time, when liquid level is less than setting
Level value when, the electromagnetic coil of liquid level sensor turn-on relay makes relay be connected, power supply to electrodynamic pump to electricity, it is electronic
Oil outlet pipe is exhausted in pump operation, until the diesel oil liquid level in lower housing rises to the level value of setting or more, electrodynamic pump
It does not rerun, diesel fuel filter is normally fuel-displaced, realizes automatic ventilating function, and overall structure is simple, easy for installation, significantly
Bleeding efficiency is improved, labor intensity is reduced, ensure that the safe normal operation of diesel engine.
Description of the drawings
Below to each width attached drawing of the utility model specification expression content and figure in label be briefly described：
Fig. 1 is the structural schematic diagram of the utility model；
Label in above-mentioned figure is：1. upper shell, 2. lower housings, 3. oil inlets, 4. oil outlets, 5. exhaust outlets, 6. bavins
Oily filter core, 7. automatic control devices, 71. liquid level sensors, 72. relays, 73. electrodynamic pumps, 731. intake interfaces, 732. outlets
Interface, 74. power supplys, 8. oil outlet pipe, 9. check valves.
Specific implementation mode
Specific embodiment of the present utility model is made into one by the description to optimum embodiment below against attached drawing
Step detailed description.
The utility model specific embodiment is：As shown in Figure 1, a kind of automatic vent type diesel fuel filter, including it is upper
Diesel-oil filter element 6 is arranged in lower housing 2 in shell 1 and lower housing 2, setting oil inlet 3, oil outlet 4 and exhaust outlet 5 on upper shell 1,
It is additionally provided between upper shell 1 and lower housing 2 by the automatic control device 7 of air discharge extra in lower housing 2, is automatically controlled
Device 7 includes for detecting the liquid level sensor 71 of diesel oil liquid level in lower housing 2, reception 71 liquid level signal of liquid level sensor and leading
Logical relay 72, the electrodynamic pump 73 connected with relay 72 and air in lower housing 2 is discharged.
Specifically, liquid level sensor 71 is set as photoelectric sensor, judges the bavin in lower housing 2 by laser ranging
Fluid position, and this liquid level sensor 71 is arranged in the upper end of diesel-oil filter element 6 and is fixed on the side of lower housing 2, can set liquid level
The liquid level signal of sensor 71 is the height that diesel oil is located at 6 upper end-face edge of diesel-oil filter element, when liquid level sensor 71 detects
After at a distance from diesel oil liquid level higher than the height of setting, that is, contain air in the diesel oil entered, liquid level sensor 71 believes this liquid level
Number being converted into electric signal makes the electromagnetic coil of relay 7 be connected, and relay 7 is attracted, and is opened with 72 concatenated electrodynamic pump 73 of relay
Air in lower housing 2 is discharged for beginning work, until liquid level sensor 71 detects at a distance from diesel oil liquid level less than setting
Highly, electrodynamic pump 73 stops exhaust, and diesel fuel filter starts to work normally；Further, electrodynamic pump 73 is arranged in upper shell 1
On, intake interface 731 and outlet interface 732 are provided on electrodynamic pump 73, intake interface 731 is connected with exhaust outlet 5, convenient for electricity
Dynamic pump 73 is vented, and automatic exhaust steam valve is arranged on outlet interface 732, when gas pressure is higher than the system pressure (air in lower housing 2
More, driving electrodynamic pump 73 works) when, the valve of automatic exhaust steam valve opens automatic exhaust, until gas pressure is less than system pressure
The valve of power (air in lower housing 2 is discharged, and electrodynamic pump 73 is stopped), automatic exhaust steam valve is closed.
Specifically, liquid level sensor 71 is connected by power supply 74 with the electromagnetic coil of relay 72, and electrodynamic pump 73 passes through electricity
Source 74 is connected with relay 72, and electrodynamic pump 73 is in parallel with liquid level sensor 71, and the liquid level signal that liquid level sensor 71 detects is low
When setting signal, the electromagnetic coil of relay 72 is made to be connected, relay 72 is attracted, and is made and 72 concatenated electrodynamic pump 73 of relay
Work, the series circuit where liquid level sensor 71 are equivalent to trigger circuit, execution are equivalent to 73 concatenated circuit of electrodynamic pump
Circuit.
Specifically, the upper end center of diesel-oil filter element 6 is connected with oil outlet pipe 8, and oil outlet pipe 8 extends upwardly into upper shell 1,
The upper end of oil outlet pipe 8 is provided with check valve 9, so that check valve 9 is opened when the diesel oil amount in oil outlet pipe 8 increases, and by going out
Hydraulic fluid port 4 flows to high-pressure oil pump, ensures engine normal operation, exhaust outlet 5 is arranged in 8 upper end side of oil outlet pipe, when oil outlet pipe 8
Interior air is more, i.e., when gas pressure is higher than system pressure, check valve 9 is closed, and internal air is entered electronic by exhaust outlet 5
It pumps 73 and is discharged；In order to improve the structural stability of oil outlet pipe 8, it is threadedly coupled between oil outlet pipe 8 and diesel-oil filter element 6.
The operation principle of the utility model is：
One, the oil inlet 3 on upper shell 1 connects with low pressure oil transfer pump, and oil outlet 4 connects with high-pressure oil pump.Work as low pressure oil
When road is normal, there is no air in oil circuit, diesel oil is after low pressure oil transfer pump is pressurizeed, after oil inlet 3 enters the filtering of diesel-oil filter element 6
Into oil outlet pipe 8, then open-top check valve 9, diesel oil flow to high-pressure oil pump, guarantee diesel engine normal work through oil outlet 4.
Two, when entering air in low pressure oil way, i.e., when components such as diesel oil pipeline is poorly sealed, parks for a long time, oil pipes
Joint looseness, gasket aging, oil pipe breakage etc. will appear air inlet phenomenon, air and diesel oil and be pumped into together through oil transfer pump in oil circuit,
Enter oil outlet pipe 8 after the filtering of diesel-oil filter element 6, since air is lighter than diesel oil, air is assembled above oil outlet pipe 8, with
Upper air increases, and diesel oil plane is gradually reduced, when liquid level sensor 71 detects at a distance from diesel oil liquid level higher than setting
Height after, liquid level sensor 71, which converts this liquid level signal to electric signal, makes the electromagnetic coil of relay 7 be connected, relay 7
It is attracted, starts to work with 72 concatenated electrodynamic pump 73 of relay, the air in lower housing 2 is discharged, until liquid level sensor 71
Detect that, less than the height of setting at a distance from diesel oil liquid level, electrodynamic pump 73 stops exhaust, and the open-top check valve of diesel oil 9 is through oil outlet
4 flow to high-pressure oil pump, ensure diesel engine normal work.
To sum up, the utility model overall structure is simple, easy for installation, realizes and is vented automatically to oil circuit, is substantially increased
Bleeding efficiency, reduces labor intensity, ensure that the safe normal operation of diesel engine.
The above, some principles of the utility model that only explains through diagrams, this specification are not intended to this practicality
It is novel to be confined in the shown concrete structure and the scope of application, thus it is every be possible to be utilized corresponding change and wait
Jljl belongs to the apllied the scope of the claims of the utility model.
Claims (6)
1. oil inlet is arranged on (1) in a kind of automatic vent type diesel fuel filter, including upper shell (1) and lower housing (2), upper shell
(3), oil outlet (4) and exhaust outlet (5), the interior setting diesel-oil filter element (6) of lower housing (2), which is characterized in that the upper shell (1)
The automatic control device (7) that air extra in lower housing (2) is discharged is additionally provided between lower housing (2), it is described automatic
Control device (7) includes for detecting the liquid level sensor (71) of the interior diesel oil liquid level of lower housing (2), receiving liquid level sensor (71)
Liquid level signal and the relay of conducting (72), the electrodynamic pump (73) connected with relay (72) and lower housing (2) interior air is discharged.
2. automatic vent type diesel fuel filter according to claim 1, it is characterised in that：The liquid level sensor (71) sets
It is set to photoelectric sensor, and is arranged in the upper end of diesel-oil filter element (6) and is fixed on the side of lower housing (2).
3. automatic vent type diesel fuel filter according to claim 1, it is characterised in that：Electrodynamic pump (73) setting exists
On upper shell (1), intake interface (731) and outlet interface (732), the intake interface (731) are provided on electrodynamic pump (73)
It is connected with exhaust outlet (5), automatic exhaust steam valve is set on the outlet interface (732).
4. the automatic vent type diesel fuel filter according to claims 1 to 3 any one, it is characterised in that：The liquid level
Sensor (71) is connected by power supply (74) with the electromagnetic coil of relay (72), the electrodynamic pump (73) by power supply (74) with
Relay (72) is connected, and the electrodynamic pump (73) is in parallel with liquid level sensor (71).
5. automatic vent type diesel fuel filter according to claim 4, it is characterised in that：The diesel-oil filter element (6) it is upper
End center is connected with oil outlet pipe (8), and oil outlet pipe (8) extends upwardly into upper shell (1), the upper end setting of oil outlet pipe (8)
There are check valve (9), oil outlet pipe (8) upper end side that the exhaust outlet (5) is set.
6. automatic vent type diesel fuel filter according to claim 5, it is characterised in that：The oil outlet pipe (8) and bavin
Oily filter core is threadedly coupled between (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820408200.4U CN208024493U (en) | 2018-03-26 | 2018-03-26 | A kind of automatic vent type diesel fuel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820408200.4U CN208024493U (en) | 2018-03-26 | 2018-03-26 | A kind of automatic vent type diesel fuel filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208024493U true CN208024493U (en) | 2018-10-30 |
Family
ID=63907148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820408200.4U Active CN208024493U (en) | 2018-03-26 | 2018-03-26 | A kind of automatic vent type diesel fuel filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN208024493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630419A (en) * | 2019-10-10 | 2019-12-31 | 中船黄埔文冲船舶有限公司 | Automatically controlled formula automatic gas removal equipment and boats and ships |
| CN111550338A (en) * | 2020-05-27 | 2020-08-18 | 平原滤清器有限公司 | Fuel filter with air detection function, fuel supply system and degassing method |
-
2018
- 2018-03-26 CN CN201820408200.4U patent/CN208024493U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630419A (en) * | 2019-10-10 | 2019-12-31 | 中船黄埔文冲船舶有限公司 | Automatically controlled formula automatic gas removal equipment and boats and ships |
| CN111550338A (en) * | 2020-05-27 | 2020-08-18 | 平原滤清器有限公司 | Fuel filter with air detection function, fuel supply system and degassing method |
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