CN205858541U - A kind of high speed air-cooled single-cylinder diesel engine electrical control oil spray pump - Google Patents
A kind of high speed air-cooled single-cylinder diesel engine electrical control oil spray pump Download PDFInfo
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- CN205858541U CN205858541U CN201620765237.3U CN201620765237U CN205858541U CN 205858541 U CN205858541 U CN 205858541U CN 201620765237 U CN201620765237 U CN 201620765237U CN 205858541 U CN205858541 U CN 205858541U
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- 239000007921 spray Substances 0.000 title claims abstract description 9
- 238000005457 optimization Methods 0.000 claims abstract description 20
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 claims abstract description 14
- 239000003208 petroleum Substances 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 64
- 239000000295 fuel oil Substances 0.000 description 9
- 230000033228 biological regulation Effects 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000004044 response Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
A kind of high speed air-cooled single-cylinder diesel engine electrical control oil spray pump, is provided with inlet valve assembly and optimization oil valve assembly in the inner chamber of the pump housing (2), the equipped proportional solenoid (5) of the pump housing (2) upper installing electromagnetic valve mounting seat (6)；The bottom surface of oil-feed valve seat (16) connects plunger cavity (H), and end face is connected with optimization oil valve assembly；Optimization oil valve assembly is sleeved in delivery connection lumen orifice (K), and delivery valve seat lumen orifice (D) inner sleeve of delivery valve seat (18) puts into valve ball (17), inlet valve spring (20), inlet valve volume reduction device (12)；Electromagnetic valve mounting seat (6) is fixedly mounted on the pump housing (2) side, proportional solenoid (5) is installed in electromagnetic valve mounting seat (6), electromagnetic valve mounting seat (6) connects petroleum pipeline by the oil-feed mouth of pipe (4), by the oil-feed duct (Y) of mounting seat oil outlet (G) the connection pump housing (2), connect with oil-feed valve seat oil through (P).This utility model effectively improves the combustion conditions of diesel engine.
Description
Technical field
This utility model relates to single cylinder diesel, particularly relates to matched with diesel engine injection pump.
Background technology
Single cylinder diesel is domestic production application minitype motivation machinery for many years, has a large capacity and a wide range, and domestic society recoverable amount reaches
More than 80000000, having played important function in industrial and agricultural production, current forward automatically controlledization direction is developed.Existing injection pump
Mostly being traditional mechanical type injection pump, owing to expulsion pressure only has 20-30Mpa, oil atomizing is undesirable, burns insufficient, row
Put over-emitting black exhaust；Regulation poor sensitivity, it is impossible to accurately control oil injection time, noise is big, and its performance cannot meet the air-cooled list of high speed
Cylinder diesel performance requirement.Multi-cylinder diesel engine uses Common-rail technology effect ideal, but its version and single cylinder diesel
Do not mate, it is impossible to supporting.How to improve the oil spout pump structure matched therewith, meet the supporting requirement of automatically controlled single cylinder diesel,
Reach GB oil consumption discharge standard regulation, it is ensured that host work performance, become the important research content of oil pump nozzle industry.
Utility model content
The purpose of this utility model, it is simply that a kind of rational in infrastructure, injection pump that matching performance is good is provided, meets one-cylinder diesel
The supporting requirement of machine, effectively controls fuel delivery, improves the combustion conditions of diesel engine, it is ensured that host performance, reduces noise, alleviates dirt
Dye, energy-saving and emission-reduction, improve economic and social benefits.
Task of the present utility model so completes: a kind of high speed air-cooled single-cylinder diesel engine electrical control oil spray pump of design,
It is provided with inlet valve assembly and optimization oil valve assembly in the pump housing, the pump housing is installed electromagnetic valve mounting seat and is equipped with proportional solenoid, enter
Oil valve assembly includes oil-feed valve seat, inlet valve steel ball, inlet valve spring, inlet valve volume reduction device, and optimization oil valve assembly includes
Fuel tap seat, oil outlet valve spring, delivery valve steel ball, delivery valve volume reducer；The oil-feed valve seat of inlet valve assembly is installed in the interior of the pump housing
In chamber, being connected with electromagnetic valve mounting seat by the oil-feed duct of the pump housing, the bottom surface of oil-feed valve seat connects plunger cavity, and end face is with excellent
Dissolve oil valve assembly to be connected；Optimization oil valve assembly is sleeved in the delivery connection lumen orifice of pump housing top delivery connection, goes out
The delivery valve seat lumen orifice inner sleeve of fuel tap seat puts into valve ball, inlet valve spring, inlet valve volume reduction device；Electromagnetic valve mounting seat is solid
Dingan County is contained in pump housing side, and proportional solenoid is installed in electromagnetic valve mounting seat, and electromagnetic valve mounting seat is connected by the oil-feed mouth of pipe
Petroleum pipeline, by the oil-feed duct of the mounting seat oil outlet connection pump housing.The oil-feed valve seat of inlet valve assembly is short cylinder shape
Thick disk, end face contacts with delivery valve seat bottom surface seam, on the interior thickness position of oil-feed valve seat, is provided with radially in center ten
The oil-feed valve seat oil through that word intersects, oil-feed valve seat oil through is connected with the oil-feed duct of radial direction on the pump housing, oil-feed valve seat
Axial centre has oil-feed valve seat central blind hole, is connected with oil-feed valve seat oil through, oil-feed valve seat central blind hole end face opening
End is conical orifice, and conical orifice is positioned into valve ball, and inlet valve steel ball is positioned at the delivery valve seat of delivery valve seat bottom surface
Lumen pore opening part, is withstood by the bottom of inlet valve spring above, and fuel tap volume reduction device put into by inlet valve spring housing, is installed in delivery valve
In seat lumen orifice, inlet valve volume reduction device is held out against the inner top in delivery valve seat lumen orifice by inlet valve spring upper end.Optimize fuel-displaced
The delivery valve seat of valve module is the cylindrical housings of band seam, and seam bottom surface contacts with the end face of oil-feed valve seat, and delivery connection is joined
Being contained in the placed on top of the pump housing, delivery valve seat is integrally provided in the delivery connection lumen orifice of delivery connection, outside delivery valve seat
Disc is provided with seal groove, suit sealing ring in seal groove, is formed and seal between delivery valve seat and delivery connection lumen orifice, fuel-displaced
The center in valve seat top seal face has through hole, and through hole end face is conical orifice, and delivery valve steel ball, delivery valve steel ball are placed above
Top is withstood by the bottom of oil outlet valve spring, oil outlet valve spring suit delivery valve volume reducer, is arranged on the fuel-displaced of delivery connection and connects
In head lumen orifice, delivery valve volume reducer is held out against the inner top in delivery connection lumen orifice by the upper end of oil outlet valve spring.Electromagnetic valve
Mounting seat is arranged above with axial center mounting hole and is equipped with proportional solenoid, and the internal epimere of electromagnetic valve mounting seat is provided with entering of radial direction
Oilhole is equipped with the oil-feed mouth of pipe, and fuel feed hole the inner connects with center mounting hole, and center mounting hole hypomere is offered mounting seat radially and gone out
Oilhole, electromagnetic valve mounting seat is installed in the side of the pump housing, the oil-feed hole link of mounting seat oil outlet and the pump housing, oil-feed duct with
The oil-feed valve seat oil through of oil-feed valve seat is connected.In the plunger cavity of the pump housing, the plunger base push rod of installing uses tappet body to be equipped with
The structure of roller, plunger uses smooth cylinder step axis structure.
During actual application, the oil-feed mouth of pipe of electromagnetic valve mounting seat connects petroleum pipeline, and the low-voltage fuel of fuel tank passes through petroleum pipeline
Center mounting hole with oil-feed mouth of pipe mounting seat fuel feed hole enters electromagnetic valve mounting seat, flows through proportional solenoid and automatically counts
Amount, low-voltage fuel enters the pump housing oil-feed duct of injection pump by mounting seat oil outlet, enters oil-feed valve seat by oil-feed duct
Oil through, fuel oil enters inlet valve assembly.Metering signal is fed back to the ECU of diesel engine by proportional solenoid, according in advance
Setting value is automatically adjusted proportional solenoid and opens size, adjusts fuel delivery.When plunger is descending, inlet valve steel ball pushed open by fuel oil,
Entering plunger cavity, when plunger is up, inlet valve assembly is closed, and forms high pressure in plunger cavity H, and fuel oil is pushed up outputing fuel tap steel
Ball, inputs fuel injector, oil spout in cylinder of diesel engine through high-pressure oil pipe, keeps pressure stability simultaneously.Inlet valve assembly regulates
Charge oil pressure size in plunger cavity.Fuel oil during fuel feeding, maintains constant low pressure in low pressure chamber；Plunger up beginning fuel feeding
Time, plunger cavity pressure raises, and inlet valve steel ball is taken a seat, and starts to optimization oil valve assembly fuel feeding.Inlet valve assembly can improve
The concordance of distributive value and holding pressure stability；Optimization oil valve assembly uses delivery valve steel ball to replace original delivery valve
Core, simplifies structure, and eliminate original fuel-displaced spool and delivery valve seat joins auxiliary process, reduces cost, improves quality,
Alleviating weight, response is fast, and reliability is high.The proportional solenoid connection ECU set up, it is possible to detection main frame is different at any time
The operating mode conditions of demand to fuel oil, change electric current power, control electromagnetic force size, regulation oil inlet quantity number, control supply
Oil mass.Governing speed is fast, and response frequency is high, controls oil mass accurate, and diesel engine speed regulation is fast, stable working, reduces discharge and noise,
Pollution abatement.The structure using tappet body to be equipped with roller replaces original flat pusher body, by contact friction type by original
Rolling friction is changed in sliding friction, reduces frictional resistance, improves reliability, reduces noise.Plunger will originally with oil groove,
The old structure of the flat body of oilhole and lower half changes using the new construction of smooth stepped cylindrical body into, simplifies structure, reduces and add
Work difficulty, improves product qualified rate, it is ensured that quality, greatly reduces production cost.
Carrying out implementing and testing according to such scheme, it was demonstrated that design of the present utility model is rational in infrastructure, matching performance is good, has
Improve to effect the combustion conditions of diesel engine, stably add fuel pressure, it is ensured that host performance, reduce discharge and make an uproar
Sound, decreases pollution, and efficiency is high, profitable, has admirably achieved predetermined purpose.
Accompanying drawing explanation
Fig. 1 is of the present utility model to face structural representation；
Fig. 2 is that the A of Fig. 1 is to structural representation；
Fig. 3 is that the B of Fig. 1 is to structural representation；
Fig. 4 is the internal structure complete section schematic diagram of Fig. 1；
Fig. 5 is the delivery connection 3 in Fig. 1 and the equipped structure for amplifying schematic diagram of delivery valve seat 18；
Fig. 6 is the oil-feed valve seat 16 in Fig. 1 and the equipped structure for amplifying schematic diagram of delivery valve seat 18；
Fig. 7 is the structural representation of the oil-feed valve seat 16 in Fig. 1；
Fig. 8 is that the E of Fig. 7 is to structural representation；
Fig. 9 is the structural representation of the electromagnetic valve mounting seat 6 in Fig. 1；
Figure 10 is that the S of Fig. 9 is to structural representation；
Figure 11 is the N-N cross-sectional view of Figure 10；
Figure 12 is the Z-direction structural representation of Figure 10；
Figure 13 is the structural representation of the plunger 10 in Fig. 1.
In figure, 1 locating piece, 2 pump housings, 3 delivery connections, the 4 oil-feed mouths of pipe, 5 proportional solenoids, 6 electromagnetism
Valve housing, 7 rollers, 8 roller pins, 9 tappet bodies, 10 plungers, 11 plunger springs, 12 inlet valve volume reduction devices,
13 delivery valve steel balls, 14 delivery valve volume reducers, 15 plunger spring bases, 16 oil-feed valve seats, 17 inlet valve steel balls,
18 delivery valve seats, 19 oil outlet valve springs, 20 inlet valve springs；A line of vision symbol, B line of vision symbol, C oil outlet,
D delivery valve seat lumen orifice, E line of vision symbol, F seal groove, G mounting seat oil outlet, H plunger cavity, J mounting seat is entered
Oilhole, K delivery connection lumen orifice, L oil-feed valve seat central blind hole, M SOC.HD. cap screw, N section symbols, P oil-feed
Valve seat oil through, Q sealing ring, R screw hole, S line of vision symbol, T electromagnetic valve patch plug, U center mounting hole, V
Bolt hole, W conical orifice, X oil-feed valve seat oil-through hole, Y oil-feed duct, Z line of vision symbol.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.
Refering to Fig. 1, Fig. 2, Fig. 3, Fig. 4, inlet valve assembly and optimization fuel tap group are set in the pump housing 2 of the present utility model
Part, the pump housing 2 is installed electromagnetic valve mounting seat 6 and is equipped with proportional solenoid 5, and inlet valve assembly includes oil-feed valve seat 16, inlet valve steel
Ball 17, inlet valve spring 20, inlet valve volume reduction device 12, optimization oil valve assembly includes delivery valve seat 18, oil outlet valve spring 19, goes out
Valve ball 13, delivery valve volume reducer 14；The oil-feed valve seat 16 of inlet valve assembly is installed in the inner chamber of the pump housing 2, by the pump housing 2
Oil-feed duct Y be connected with electromagnetic valve mounting seat 6, the bottom surface of oil-feed valve seat 16 connects plunger cavity H, end face and optimization fuel tap
Assembly is connected；Optimization oil valve assembly is sleeved in delivery connection lumen orifice K of the pump housing 2 top delivery connection 3, delivery valve seat
The delivery valve seat lumen orifice D inner sleeve of 18 puts into valve ball 17, inlet valve spring 20, inlet valve volume reduction device 12；Electromagnetic valve is installed
Seat 6 is fixedly mounted on the pump housing 2 side, and proportional solenoid 5 is installed in electromagnetic valve mounting seat 6, and electromagnetic valve mounting seat 6 passes through oil-feed
The mouth of pipe 4 connects petroleum pipeline, by the oil-feed duct Y of the mounting seat oil outlet G connection pump housing 2.Tappet body 9 is used to be equipped with roller 7
Structure replaces original flat pusher body, and by original sliding friction, contact friction type is changed into rolling friction, plunger 10
The original old structure with the flat body in oil groove, oilhole and lower half is changed into the new construction of smooth stepped cylindrical body.
Refering to Fig. 5, Fig. 6, oil-feed valve seat central blind hole L end face opening is conical orifice W, and conical orifice W is positioned into
Valve ball 17, inlet valve steel ball 17 is positioned at the delivery valve seat lumen orifice D opening part of delivery valve seat 18 bottom surface, above by inlet valve
The bottom of spring 20 is withstood, and inlet valve spring 20 is set with inlet valve volume reduction device 12, is installed in delivery valve seat lumen orifice D, oil-feed
Inlet valve volume reduction device 12 is held out against the inner top in delivery valve seat lumen orifice D by valve spring 20 upper end.Going out of optimization oil valve assembly
Fuel tap seat 18 is the cylindrical housings of band seam, and seam bottom surface contacts with the end face of oil-feed valve seat 16, and delivery connection 3 is fitted in pump
The placed on top of body 2, delivery valve seat 18 is integrally provided in delivery connection lumen orifice K of delivery connection 3, outside delivery valve seat 18
Disc is provided with suit sealing ring Q in seal groove F, seal groove F, is formed close between delivery valve seat 18 and delivery connection lumen orifice K
Envelope, the center in delivery valve seat 18 top seal face has through hole, and through hole end face is conical orifice, and delivery valve steel ball is placed above
13, delivery valve steel ball 13 top is withstood by the bottom of oil outlet valve spring 19, and oil outlet valve spring 19 is set with delivery valve volume reducer 14, if
Putting in delivery connection lumen orifice K of delivery connection 3, delivery valve volume reducer 14 is held out against fuel-displaced by the upper end of oil outlet valve spring 19
The inner top of joint lumen orifice K.
Refering to Fig. 7, Fig. 8, oil-feed valve seat 16 is the thick disk of short cylinder shape, oil-feed valve seat 16 end face and delivery valve seat
18 bottom surface seam contacts, on the interior thickness position of oil-feed valve seat 16, are provided with the oil-feed valve seat radially intersected in central cross and lead to
Oilhole P, oil-feed valve seat oil through P are connected with the oil-feed duct Y of radial direction on the pump housing 2, and the axial centre of oil-feed valve seat 16 has
Oil-feed valve seat central blind hole L, is connected with oil-feed valve seat oil through P, and oil-feed valve seat central blind hole L end face opening is bellmouth
Mouth W.Around oil-feed valve seat central blind hole L uniform four axial penetrating oil-feed valve seat oil-through hole X, oil-feed valve seat oil-through hole X with
Fuel tap seat oil through P radially is crisscross arranged.
Refering to Fig. 9, Figure 10, Figure 11, Figure 12, electromagnetic valve mounting seat 6 is arranged above with axial center mounting hole U, can be equipped with
Proportional solenoid 5；The internal epimere of electromagnetic valve mounting seat 6 is provided with mounting seat fuel feed hole J radially, can be equipped with the oil-feed mouth of pipe 4；Install
Seat fuel feed hole J the inner connects with center mounting hole U, and center mounting hole U hypomere offers mounting seat oil outlet G radially, electromagnetic valve
Mounting seat 6 is installed in the side of the pump housing 2, and mounting seat oil outlet G connects with the oil-feed duct Y of the pump housing 2, oil-feed duct Y and oil-feed
The oil-feed valve seat oil through P of valve seat 16 is connected.
Refering to Figure 13, plunger 10 uses smooth cylinder step axis structure.
In actual application, the oil-feed mouth of pipe 4 of electromagnetic valve mounting seat 6 connects petroleum pipeline, and the low-voltage fuel of fuel tank passes through oil transportation
Pipe and the oil-feed mouth of pipe 4 enter the mounting seat fuel feed hole J of electromagnetic valve mounting seat 6, flow through proportional solenoid 5 and automatically measure, then
Entered the oil-feed duct Y of the pump housing 2 of injection pump by mounting seat oil outlet G, connect oil-feed valve seat oil through by oil-feed duct Y
P, enters the inner chamber of the pump housing 2.Metering signal is fed back to the ECU of diesel engine by proportional solenoid 5, according to preset value
Being automatically adjusted proportional solenoid 5 and open size, adjust fuel delivery, when plunger 10 is descending, fuel oil is pushed inlet valve steel ball 17 open, is entered
Enter plunger cavity H；When plunger 10 is up, inlet valve assembly is closed, and the fuel oil in plunger cavity H forms high pressure, by oil-feed valve seat mistake
Oilhole X is upwardly into delivery valve seat lumen orifice D, pushes delivery valve steel ball 13 open, the high pressure fuel oil outlet C by delivery connection 3
Input fuel injector, oil spout in cylinder of diesel engine via high-pressure pipeline, keep pressure stability simultaneously.Inlet valve assembly can be adjusted
Charge oil pressure size in joint plunger cavity H, low-voltage fuel during fuel feeding, maintains constant low pressure in plunger cavity H；Plunger 10 is up
When starting fuel feeding, in plunger cavity H, pressure raises, and inlet valve steel ball 17 is taken a seat, and the so oil of the high pressure in plunger cavity H is by oil-feed valve seat
Oil-through hole X is upwardly into delivery valve seat lumen orifice D, starts to optimization oil valve assembly fuel feeding.Inlet valve assembly can improve oil spout
The concordance of amount and holding pressure stability；Optimization oil valve assembly uses delivery valve steel ball 13 to replace original fuel-displaced spool,
Simplifying structure, eliminate original fuel-displaced spool and delivery valve seat joins auxiliary process, reduces cost, improves quality, subtracts
Light weight, response is fast, and reliability is high.The proportional solenoid 5 set up connects ECU, it is possible to detection main frame difference work at any time
The condition conditions of demand to fuel oil, change electric current power, control electromagnetic force size, regulation oil inlet quantity number, control fuel feeding
Amount.Governing speed is fast, and response frequency is high, controls oil mass accurate, and diesel engine speed regulation is fast, stable working, reduces discharge and noise, subtracts
Light pollution.The structure using tappet body 9 to be equipped with roller 7 replaces original flat pusher body, by contact friction type by original
Rolling friction is changed in sliding friction, reduces frictional resistance, improves reliability, reduces noise.Plunger 10 will be original with oil
The old structure of the flat body in groove, oilhole and lower half changes smooth stepped cylindrical body new construction into, simplifies structure, reduces difficult processing
Degree, improves product qualified rate, it is ensured that quality, greatly reduces production cost.
Matching performance of the present utility model is good, stably adds fuel pressure, and peak value expulsion pressure is up to 160Mpa, effectively
Improve the combustion conditions of diesel engine, it is ensured that host performance, reduce discharge and noise, reached discharging standards
Regulation, decreases pollution, and efficiency is high, profitable, has good economic and social benefits and bright popularizing application prospect.
Claims (5)
1. a high speed air-cooled single-cylinder diesel engine electrical control oil spray pump, it is characterised in that be provided with in the pump housing (2) inlet valve assembly and
Optimization oil valve assembly, the equipped proportional solenoid (5) of the pump housing (2) upper installing electromagnetic valve mounting seat (6), inlet valve assembly include into
Fuel tap seat (16), inlet valve steel ball (17), inlet valve spring (20), inlet valve volume reduction device (12), optimization oil valve assembly includes
Delivery valve seat (18), oil outlet valve spring (19), delivery valve steel ball (13), delivery valve volume reducer (14)；The oil-feed of inlet valve assembly
Valve seat (16) is installed in the inner chamber of the pump housing (2), is connected with electromagnetic valve mounting seat (6) by the oil-feed duct (Y) of the pump housing (2)
Logical, the bottom surface of oil-feed valve seat (16) connects plunger cavity (H), and end face is connected with optimization oil valve assembly；Optimization oil valve assembly
It is sleeved in the delivery connection lumen orifice (K) at the pump housing (2) top delivery connection (3), the delivery valve seat inner chamber of delivery valve seat (18)
Hole (D) inner sleeve puts into valve ball (17), inlet valve spring (20), inlet valve volume reduction device (12)；Electromagnetic valve mounting seat (6) is fixed
Being arranged on the pump housing (2) side, proportional solenoid (5) is installed in electromagnetic valve mounting seat (6), electromagnetic valve mounting seat (6) pass through into
Oil pipe mouth (4) connects petroleum pipeline, by the oil-feed duct (Y) of mounting seat oil outlet (G) the connection pump housing (2).
2. according to the high speed air-cooled single-cylinder diesel engine electrical control oil spray pump described in claim 1, it is characterised in that described inlet valve
The thick disk that oil-feed valve seat (16) is short cylinder shape of assembly, end face contacts with delivery valve seat (18) bottom surface seam, oil-feed
On the interior thickness position of valve seat (16), being provided with oil-feed valve seat oil through (P) radially intersected in central cross, oil-feed valve seat leads to
Oilhole (P) oil-feed duct (Y) radially upper with the pump housing (2) is connected, and the center of oil-feed valve seat (16) has axial inlet valve
Seat central blind hole (L), is connected with oil-feed valve seat oil through (P), and oil-feed valve seat central blind hole (L) end face opening is bellmouth
Mouth (W), conical orifice (W) is positioned into valve ball (17), and inlet valve steel ball (17) is positioned at going out of delivery valve seat (18) bottom surface
Fuel tap seat lumen orifice (D) opening part, is withstood by the bottom of inlet valve spring (20) above, inlet valve spring (20) suit inlet valve
Volume reduction device (12), is installed in delivery valve seat lumen orifice (D), and inlet valve volume reduction device (12) is held out against by inlet valve spring (20) upper end
Inner top at delivery valve seat lumen orifice (D).
3. according to the high speed air-cooled single-cylinder diesel engine electrical control oil spray pump described in claim 1, it is characterised in that described optimization
The cylindrical housings that delivery valve seat (18) is band seam of oil valve assembly, seam bottom surface contacts with the end face of oil-feed valve seat (16),
Delivery connection (3) is fitted in the placed on top of the pump housing (2), and delivery valve seat (18) is integrally provided in fuel-displaced the connecing of delivery connection (3)
In head lumen orifice (K), the periphery of delivery valve seat (18) is provided with seal groove (F), and in seal groove (F), suit sealing ring (Q), goes out
Being formed between fuel tap seat (18) and delivery connection lumen orifice (K) and seal, the center in delivery valve seat (18) top seal face has logical
Hole, through hole end face is conical orifice, and delivery valve steel ball (13) is placed above, and delivery valve steel ball (13) top is by oil outlet valve spring
(19) bottom is withstood, oil outlet valve spring (19) suit delivery valve volume reducer (14), is arranged on the delivery connection of delivery connection (3)
In lumen orifice (K), it is interior that delivery valve volume reducer (14) is held out against in delivery connection lumen orifice (K) by the upper end of oil outlet valve spring (19)
Top.
4. according to the high speed air-cooled single-cylinder diesel engine electrical control oil spray pump described in claim 1, it is characterised in that described electromagnetism
Valve housing (6) is arranged above with the equipped proportional solenoid (5) of axial center mounting hole (U), on electromagnetic valve mounting seat (6) inside
Section is provided with the equipped oil-feed mouth of pipe (4) of mounting seat fuel feed hole (J) radially, mounting seat fuel feed hole (J) the inner and center mounting hole (U)
Connecting, center mounting hole (U) hypomere offers mounting seat oil outlet (G) radially, and electromagnetic valve mounting seat (6) is installed in the pump housing (2)
Side, mounting seat oil outlet (G) connects with the oil-feed duct (Y) of the pump housing (2), oil-feed duct (Y) and oil-feed valve seat (16)
Oil-feed valve seat oil through (P) is connected.
5. according to the high speed air-cooled single-cylinder diesel engine electrical control oil spray pump described in claim 1, it is characterised in that the described pump housing
(2) plunger (10) the bottom push rod of installing in plunger cavity (H) uses the structure of the equipped roller (7) of tappet body (9), plunger (10)
Use smooth cylinder step axis structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765237.3U CN205858541U (en) | 2016-07-20 | 2016-07-20 | A kind of high speed air-cooled single-cylinder diesel engine electrical control oil spray pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765237.3U CN205858541U (en) | 2016-07-20 | 2016-07-20 | A kind of high speed air-cooled single-cylinder diesel engine electrical control oil spray pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858541U true CN205858541U (en) | 2017-01-04 |
Family
ID=57647049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620765237.3U Expired - Fee Related CN205858541U (en) | 2016-07-20 | 2016-07-20 | A kind of high speed air-cooled single-cylinder diesel engine electrical control oil spray pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253004A (en) * | 2018-11-15 | 2019-01-22 | 珠海安瑾动力科技有限公司 | A kind of High Pressure Common-Rail Fuel Inject high-pressure fuel injection pump assembly |
| CN109990152A (en) * | 2019-05-14 | 2019-07-09 | 贵州电网有限责任公司 | A kind of adjustable oil taking apparatus on oil-filled electric equipment |
-
2016
- 2016-07-20 CN CN201620765237.3U patent/CN205858541U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253004A (en) * | 2018-11-15 | 2019-01-22 | 珠海安瑾动力科技有限公司 | A kind of High Pressure Common-Rail Fuel Inject high-pressure fuel injection pump assembly |
| CN109990152A (en) * | 2019-05-14 | 2019-07-09 | 贵州电网有限责任公司 | A kind of adjustable oil taking apparatus on oil-filled electric equipment |
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| 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: 20170104 |