CN203822509U - Diesel engine oil circuit electric control air bleeding device - Google Patents

Diesel engine oil circuit electric control air bleeding device Download PDF

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Publication number
CN203822509U
CN203822509U CN201420218412.8U CN201420218412U CN203822509U CN 203822509 U CN203822509 U CN 203822509U CN 201420218412 U CN201420218412 U CN 201420218412U CN 203822509 U CN203822509 U CN 203822509U
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CN
China
Prior art keywords
oil
bolt
oil inlet
inlet hole
fuel
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Expired - Lifetime
Application number
CN201420218412.8U
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Chinese (zh)
Inventor
孟维信
李文然
张效勋
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China National Heavy Duty Truck Group Ji'nan Special Vehicle Co ltd
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China National Heavy Duty Truck Group Jinan Power Co Ltd
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Priority to CN201420218412.8U priority Critical patent/CN203822509U/en
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Publication of CN203822509U publication Critical patent/CN203822509U/en
Anticipated expiration legal-status Critical
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  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

The utility model provides a diesel engine oil circuit electric control air bleeding device which comprises an oil supply pump system, an oil inlet bolt and an oil return bolt. The oil inlet bolt and the oil return bolt are arranged on the oil supply pump system. One end of an oil inlet pipe is connected to the oil inlet of the oil inlet bolt, and the other end of the oil inlet pipe is arranged at the bottom of a fuel tank. A rough filter with an electric pump, an oil delivery pump and a fine filter are sequentially arranged on the oil inlet pipe. The oil return bolt is provided with an overflow device and an exhaust device, and oil overflows through the overflow device when oil pressure is too high. When a switch is pressed, the rough filter with the electric pump and an oil return electromagnetic valve are made to be connected at the same time through a control wire bundle, the rough filter with the electric pump can quickly suck fuel in the fuel tank into the oil delivery pump through the oil inlet pipe, and the fuel is delivered into the oil supply pump system through the fine filter and the oil inlet bolt. Air in an oil circuit from the exhaust device on the oil return bolt returns to the oil return pipe along with the fuel through the electromagnetic valve, and finally the air and the fuel return to the fuel tank. At the moment, air resistance does not exist in the oil circuit and the oil pump, and the fuel can be smoothly provided for a fuel injection system.

Description

The automatically controlled means of deflation of a kind of diesel engine oil-way
Technical field
The utility model relates to diesel engine technologies field, is specifically related to the automatically controlled means of deflation of a kind of diesel engine oil-way.
Background technique
Vehicle harsh when giving birth to line and starting or at fuel pipe associated part, damage (as strainer, damaging) more renew part after and while starting long-time out-of-work diesel engine, the pipeline of Fuel Feeding System for Diesel Engine system and oil pump the inside may enter certain air.Because air has very large compressibility and elasticity, it can reduce the degree of vacuum in pipeline in oil circuit, and the suction of fuel oil is weakened, and even stops.In the situation that entrained air is less, oil stream still can maintain, and is sent to oil feed pump system by oil transfer pump, and engine start may be more difficult.After normal startup, the spill valve of oil feed pump system oil return bolt the inside reaches rated pressure normally to be opened, and a small amount of air in oil circuit the inside can be got back to fuel tank with unnecessary fuel oil.
When but the air quantity of sneaking in oil circuit and oil pump is more, will cause several cylinder oil-breaks or fuel injection quantity significantly to reduce, can make to maintain soon after diesel engine starting just automatically extinguishing or cannot start at all.
At present the solution of the problems referred to above need to go artificially to turn on Exhaust screw above oil feed pump system oil return bolt a few, then the hand oil pump of pressing above oil transfer pump with hand is for a long time continuous to the diesel oil of discharging, unobstructed without bubble, send " " sound till, then twist dead screw, hand oil pump is pressed and is back to original position, and vehicle could normal starting.Operator's labor intensity is very large like this, has not only delayed the working time of manufacturing efficiency and vehicle, and air when being discharged from fuel oil also can be discharged from, trickle down on diesel-engine body and ground, caused the pollution of environment and the waste of fuel oil.
Summary of the invention
The utility model, in order to overcome the deficiency of above technology, provides the automatically controlled means of deflation of diesel engine oil-way of air in a kind of automatic eliminating oil circuit and oil pump.
The utility model overcomes the technological scheme that its technical problem adopts:
The automatically controlled means of deflation of this diesel engine oil-way, comprise oil feed pump system, be installed on oil-feed bolt and oil return bolt in oil feed pump system, oil inlet pipe one end is connected in the filler opening of oil-feed bolt, its the other end is arranged at the bottom of fuel tank, strainer with motor-drive pump is installed on described oil inlet pipe successively, oil transfer pump and fine cleaner, on described oil return bolt, be provided with overflow mechanism and the venting gas appliance of overflow when oil pressure is too high, described overflow mechanism is connected in return tube, described venting gas appliance is connected in return tube through solenoid valve, the tail end of described return tube is arranged at the bottom of fuel tank, the described strainer with motor-drive pump and solenoid valve are electrically connected on switch through controlling electrical wiring harness.
Above-mentioned venting gas appliance comprises the spill port I that screws the hollow bolt I that is fixed in oil feed pump system, is arranged at the oil inlet hole I in hollow bolt I and is arranged in hollow bolt I and is conducted with oil inlet hole I along axial direction, and described spill port I is connected in return tube by solenoid valve.
Above-mentioned overflow mechanism comprise screw be fixed on hollow bolt I below hollow bolt II, along axial direction, be arranged at the oil inlet hole II in hollow bolt II, the spring seat that is movably set in the steel ball in oil inlet hole II and is fixed on hollow bolt II bottom, described oil inlet hole II is interior and be provided with spring between steel ball and spring seat, when steel ball is by spring top during to upper dead center position, oil inlet hole I and the not conducting of oil inlet hole II, in described hollow bolt II and the below that is positioned at steel ball is provided with the spill port II with the conducting of oil inlet hole II, and described spill port II is connected in return tube.
The beneficial effects of the utility model are: Push switch, makes strainer and the oil return solenoid valve conducting simultaneously with motor-drive pump by controlling electrical wiring harness.Strainer with motor-drive pump can be drawn onto oil transfer pump the inside by the fuel oil of fuel tank the inside by oil inlet pipe fast, then by oil-feed bolt, enters into oil feed pump system the inside through fine cleaner.The air of oil circuit the inside can be got back to return tube through solenoid valve by the venting gas appliance from oil return bolt together with fuel oil simultaneously, and finally gets back to fuel tank the inside.At this moment, oil circuit and oil pump the inside have not had vapour lock, and key operation is got to start gear, and fuel oil is fuel ejecting system smoothly, makes engine start.After starting is normal, closing control switch.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is oil return bolt cross-sectional view;
In figure, 1. fuel tank 2. is controlled electrical wiring harness with strainer 3. oil transfer pump 4. fine cleaner 5. oil-feed bolt 6. oil return bolt 6.1 hollow bolt I 6.2 spill port I 6.3 spill port II 6.4 spring seat 6.5 hollow bolt II 6.6 oil inlet hole I 6.7 steel ball 6.8 spring 6.9 oil inlet hole II 7. oil feed pump system 8. oil inlet pipe 9. return tube 10. solenoid valves 11. of motor-drive pump.
Embodiment
Below in conjunction with accompanying drawing 1,2 pairs of the utility model of accompanying drawing, be described further.
The automatically controlled means of deflation of this diesel engine oil-way, comprise oil feed pump system 7, be installed on oil-feed bolt 5 and oil return bolt 6 in oil feed pump system 7, oil inlet pipe 8 one end are connected in the filler opening of oil-feed bolt 5, its the other end is arranged at the bottom of fuel tank 1, strainer 2 with motor-drive pump is installed on oil inlet pipe 8 successively, oil transfer pump 3 and fine cleaner 4, on oil return bolt 6, be provided with overflow mechanism and the venting gas appliance of overflow when oil pressure is too high, overflow mechanism is connected in return tube 9, venting gas appliance is connected in return tube 9 through solenoid valve 10, the tail end of return tube 9 is arranged at the bottom of fuel tank 1, strainer 2 and solenoid valve 10 with motor-drive pump are electrically connected on switch through controlling electrical wiring harness 11.In oil circuit and oil transfer pump, sneak into when maintaining soon just automatically extinguishing after large quantity of air causes diesel engine starting or cannot start at all, by Push switch, by controlling electrical wiring harness 11, make strainer 2 and oil return solenoid valve 10 conductings simultaneously with motor-drive pump.Strainer 2 with motor-drive pump can be drawn onto oil transfer pump 3 the insides by the fuel oil of fuel tank 1 the inside by oil inlet pipe 8 fast, then by oil-feed bolt 5, enters into oil feed pump system 7 the insides through fine cleaner 4.The air of oil circuit the inside can be got back to return tube 9 through solenoid valve 10 by the venting gas appliance from oil return bolt 6 together with fuel oil simultaneously, and finally gets back to fuel tank 1 the inside.At this moment, oil circuit and oil pump the inside have not had vapour lock, and key operation is got to start gear, and fuel oil is fuel ejecting system smoothly, makes engine start.After starting is normal, closing control switch.After motor normal starting closing control switch, for the Fuel Remained in oil feed pump system 7, when it reaches rated pressure, can be by the overflow mechanism on oil return bolt 6 in return tube 9 flows back to fuel tank 1.Simple to operation, reduced staff's labor intensity, can not cause the pollution of environment and the waste of fuel oil simultaneously.
Venting gas appliance can be for following structure it comprise the spill port I 6.2 that screws the hollow bolt I 6.1 that is fixed in oil feed pump system 7, is arranged at the oil inlet hole I 6.6 in hollow bolt I 6.1 and is arranged in hollow bolt I 6.1 and is conducted with oil inlet hole I 6.6 along axial direction, spill port I 6.2 is connected in return tube 9 by solenoid valve 10.In oil circuit and oil pump, sneak into when maintaining soon just automatically extinguishing after large quantity of air causes diesel engine starting or cannot start at all, by Push switch, solenoid valve 10 is opened, now the air of oil circuit the inside can flow into spill port I 6.2 through oil inlet hole I 6.6 successively, by spill port I 6.2, from return tube 9, flow back to again fuel tank 1, realize the emptying of air, simple in structure, saved fuel oil.
Overflow mechanism can be for following structure it comprise and screw the hollow bolt II 6.5 that is fixed on hollow bolt I 6.1 belows, along axial direction, be arranged at the oil inlet hole II 6.9 in hollow bolt II 6.5, the spring seat 6.4 that is movably set in the steel ball 6.7 in oil inlet hole II 6.9 and is fixed on hollow bolt II 6.5 bottoms, oil inlet hole II 6.9 is interior and be provided with spring 6.8 between steel ball 6.7 and spring seat 6.4, when steel ball 6.7 is pushed up to upper dead center position by spring 6.8, oil inlet hole I 6.6 and the 6.9 not conductings of oil inlet hole II, in hollow bolt the II 6.5 and below that is positioned at steel ball 6.7 is provided with the spill port II 6.3 with 6.9 conductings of oil inlet hole II, spill port II 6.3 is connected in return tube 9.When in oil feed pump system 7, pressure is excessive, fuel oil flows in oil inlet hole I 6.6, oil pressure promotes steel ball 6.7 and moves downward, and Compress Spring 6.8, now fuel oil flows in oil inlet hole II 6.9 through oilhole I 6.6, and flows in return tube 8 through spill port II 6.3, finally flows back to fuel tank 1, realized automatic deloading, simple in structure reliable.

Claims (3)

1. the automatically controlled means of deflation of diesel engine oil-way, it is characterized in that: comprise oil feed pump system (7), be installed on oil-feed bolt (5) and oil return bolt (6) in oil feed pump system (7), oil inlet pipe (8) one end is connected in the filler opening of oil-feed bolt (5), its the other end is arranged at the bottom of fuel tank (1), strainer (2) with motor-drive pump is installed on described oil inlet pipe (8) successively, oil transfer pump (3) and fine cleaner (4), on described oil return bolt (6), be provided with overflow mechanism and the venting gas appliance of overflow when oil pressure is too high, described overflow mechanism is connected in return tube (9), described venting gas appliance is connected in return tube (9) through solenoid valve (10), the tail end of described return tube (9) is arranged at the bottom of fuel tank (1), the described strainer with motor-drive pump (2) and solenoid valve (10) are electrically connected on switch through controlling electrical wiring harness (11).
2. the automatically controlled means of deflation of diesel engine oil-way according to claim 1, it is characterized in that: described venting gas appliance comprises and screw the hollow bolt I (6.1) that is fixed in oil feed pump system (7), along axial direction, be arranged at the oil inlet hole I (6.6) in hollow bolt I (6.1) and be arranged at the spill port I (6.2) that hollow bolt I (6.1) is upper and be conducted with oil inlet hole I (6.6), described spill port I (6.2) is connected in return tube (9) by solenoid valve (10).
3. the automatically controlled means of deflation of diesel engine oil-way according to claim 2, it is characterized in that: described overflow mechanism comprises and screws the hollow bolt II (6.5) that is fixed on hollow bolt I (6.1) below, along axial direction, be arranged at the oil inlet hole II (6.9) in hollow bolt II (6.5), the spring seat (6.4) that is movably set in the steel ball (6.7) in oil inlet hole II (6.9) and is fixed on hollow bolt II (6.5) bottom, in described oil inlet hole II (6.9) and be positioned between steel ball (6.7) and spring seat (6.4) and be provided with spring (6.8), when steel ball (6.7) is pushed up to upper dead center position by spring (6.8), oil inlet hole I (6.6) and not conducting of oil inlet hole II (6.9), described hollow bolt II (6.5) below upper and that be positioned at steel ball (6.7) is provided with the spill port II (6.3) with oil inlet hole II (6.9) conducting, described spill port II (6.3) is connected in return tube (9).
CN201420218412.8U 2014-04-30 2014-04-30 Diesel engine oil circuit electric control air bleeding device Expired - Lifetime CN203822509U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420218412.8U CN203822509U (en) 2014-04-30 2014-04-30 Diesel engine oil circuit electric control air bleeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420218412.8U CN203822509U (en) 2014-04-30 2014-04-30 Diesel engine oil circuit electric control air bleeding device

Publications (1)

Publication Number Publication Date
CN203822509U true CN203822509U (en) 2014-09-10

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953479A (en) * 2014-04-30 2014-07-30 中国重汽集团济南动力有限公司 Electrically controlled air discharging device for oil way of diesel engine
CN105927440A (en) * 2016-05-26 2016-09-07 潍柴动力股份有限公司 Diesel engine and high pressure common rail fuel injection system thereof
CN106194535A (en) * 2016-08-31 2016-12-07 黄玉 A kind of diesel engine oil-way exhaust apparatus
WO2018149160A1 (en) * 2017-02-17 2018-08-23 广西玉柴机器股份有限公司 Activation method utilized in electrically controlled common rail engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953479A (en) * 2014-04-30 2014-07-30 中国重汽集团济南动力有限公司 Electrically controlled air discharging device for oil way of diesel engine
CN105927440A (en) * 2016-05-26 2016-09-07 潍柴动力股份有限公司 Diesel engine and high pressure common rail fuel injection system thereof
CN106194535A (en) * 2016-08-31 2016-12-07 黄玉 A kind of diesel engine oil-way exhaust apparatus
WO2018149160A1 (en) * 2017-02-17 2018-08-23 广西玉柴机器股份有限公司 Activation method utilized in electrically controlled common rail engine

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230524

Address after: No. 583, Jiyan Road, Huaiyin District, Jinan City, Shandong Province, 250000

Patentee after: China National Heavy Duty Truck Group Ji'nan Special Vehicle Co.,Ltd.

Address before: 250002, hero mountain road, Shizhong District, Shandong, Ji'nan 165

Patentee before: China National Heavy Duty Truck Group Jinan Power Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140910