CN204041320U - A kind of use for diesel engine electric control monoblock fuel-injection pump - Google Patents

A kind of use for diesel engine electric control monoblock fuel-injection pump Download PDF

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Publication number
CN204041320U
CN204041320U CN201420398521.2U CN201420398521U CN204041320U CN 204041320 U CN204041320 U CN 204041320U CN 201420398521 U CN201420398521 U CN 201420398521U CN 204041320 U CN204041320 U CN 204041320U
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CN
China
Prior art keywords
plunger
electromagnet
pump housing
armature
spool
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Expired - Fee Related
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CN201420398521.2U
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Chinese (zh)
Inventor
鲍慧涛
郭莉
孟红喜
蔡杰华
刘瑞华
李刚健
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SHANDONG XINYA INDUSTRY Co Ltd
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SHANDONG XINYA INDUSTRY Co Ltd
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Priority to CN201420398521.2U priority Critical patent/CN204041320U/en
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Publication of CN204041320U publication Critical patent/CN204041320U/en
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Abstract

A kind of use for diesel engine electric control monoblock fuel-injection pump, pump housing plunger lumen pore is communicated with high pressure oilhole, and bi-side have electromagnet mounting hole with low pressure oil supply chamber by being connected mesopore connection, and with high pressure oilhole vertical connection; Plunger leading portion is fitted in plunger lumen pore, and seat under back segment suit piston spring linking springs, is inlaid in pusher body; Movable set armature in electromagnet armature hole, be installed in electromagnet mounting hole, armature mesopore is fixedly mounted with spool, and spool stretches into low pressure oil supply chamber through connecting mesopore, conflicts with lift block; Lift block connects oil inlet pipe.Automatical control system is communicated with magnet control armature and spool action, and the oil supply system of traditional Injection Pump being converted to time is the fuel injection system of feature, accurate regulating and controlling fuel feeding opportunity and fuel delivery.Pump end pressure is large, and oil consumption is low, and noise is little.

Description

A kind of use for diesel engine electric control monoblock fuel-injection pump
Technical field
The utility model relates to single-cylinder air-cooled diesel engine matching parts, particularly relates to single cylinder fuel injection pump.
Background technique
Single cylinder diesel is the small power generating machine on China basis, in the development of over half a century, played huge effect to the industrial production of China and rural economy, particularly in transport, irrigation, processing, takes on main power source.Along with the raising of scientific and technological level and the development of economic construction, require increasingly stringent to the energy-conserving and environment-protective of dynamic power machine, injection pump assembly is as the heart of single diesel engine, and the raising of gear sub-level stands in the breach.Traditional mechanical type Injection Pump is by plunger coupled parts, delivery valve matching parts, adjustment shift fork parts, the composition such as delivery valve holder, piston spring, by changing the Dimensions of the relevant elements such as the diameter of plunger, supporting with the single cylinder diesel of different model specification, utilize the cam on diesel engine to rotate, push the to-and-fro motion of tappet body drive plunger, produce high pressure, by the fuel oil pressurization of input Injection Pump, spray into the work done of cylinder of diesel engine compression ignite by oil sprayer.The size of fuel injection quantity is regulated by the mechanical centrifugal formula speed regulator on diesel engine, makes diesel engine export different power.Current domestic air-cooled single cylinder diesel is due to the congenital reason (such as skewed slot plunger) of structural design, pump end pressure is only about 30MPa, the low atomization quality that causes of pump end pressure is poor, fuel oil and air mixed combustion abundant not, produce a large amount of particles and smog, befouling environment, adopt mechanical type Injection Pump and speed regulator, diesel engine noise is large, the adjusting speed accuracy of speed regulator is not high, recover low precision, cannot meet the requirement of governor control characteristics, the fuel supply advance angle under different rotating speeds can not realize continuously adjustabe.Very easily wear and tear in the helical groove structure gauge size place of plunger, working life is short.Develop advanced automatically controlled single cylinder engine in the world at present, but the automatically controlled simplex pump structure of preparation is more complicated, manufacture cost is high, universal comparatively difficulty.
Model utility content
The purpose of this utility model, is just to provide a kind of structure simple, reliable performance, easy to use, electrical control oil spray pump matched with single cylinder diesel, effectively improves pump end pressure, accurate adjustment fuel supply advance angle and fuel delivery, saving fuel oil, reduces noise, guarantees to meet the supporting requirement of one-cylinder diesel machine host, quality is good, efficiency is high, and the life-span is long, improves economic and social benefits.
Task of the present utility model completes like this: design and produce a kind of use for diesel engine electric control monoblock fuel-injection pump, be installed on the pump housing formed by plunger assembly, electromagnetic valve component, fuel feeding assembly, by electric control system controls fuel feeding, on the pump housing, axially having plunger lumen pore connects through high pressure oilhole, bi-side have electromagnet mounting hole and low pressure oil supply chamber, by connect mesopore be communicated with, and with high pressure oilhole vertical connection; Plunger assembly comprises plunger, piston spring, spring lower seat, pusher body, and the leading portion of plunger is fitted in the plunger lumen pore of the pump housing, and seat under back segment suit piston spring linking springs, is inlaid in pusher body; Electromagnetic valve component comprises electromagnet, armature, spool, return spring, in the armature hole of electromagnet the inner, movable set armature is installed in the electromagnet mounting hole of the pump housing, armature mesopore is fixedly mounted with spool, spool one end movable set is in the valve core spring hole at electromagnet center, the other end is through the connection mesopore in the middle of the pump housing, and end card stretches into low pressure oil supply chamber, inconsistent with fuel feeding assembly; Fuel feeding assembly comprises lift block, oil inlet pipe, lift block is installed in the low pressure oil supply chamber of the pump housing, in being connected with inside, the spool end card of nose end is inconsistent, the pipe joint of oil inlet pipe is sleeved in the mesopore of lift block, oil inlet pipe outer end can connect fuel supply line and connect fuel tank, with screw, bonnet is fastened on the aperture in shutoff low pressure oil supply chamber on the pump housing.The pump housing is the integrated member that rectangular body and cylinder axis body connect and compose, cylinder axis body end face has axial plunger lumen pore, with rectangular body central shaft to high pressure oilhole be connected the through pump housing, rectangular body both sides are provided with the fitting seat of band screw hole, for being equipped with diesel-engine body, pump face, front and back offers radial electromagnet mounting hole and low pressure oil supply chamber respectively, middle by connecting mesopore connection, middle connection mesopore and high pressure oilhole vertical connection, electromagnet mounting hole and low pressure oil supply chamber are step hole, the outside opening of macropore, electromagnet and lift block is equipped with respectively in hole, equipped plunger in axial plunger lumen pore.The plunger of plunger assembly is step type major axis body, large end axis body movable set is in the plunger lumen pore of the pump housing, the end of small end axis body is inlaid in spring lower seat, and be sleeved in pusher body inner chamber, piston spring is sleeved on outside plunger, one end holds out against on spring lower seat, the other end is stuck on the step surface of cylinder axis body of the pump housing, and cylinder axis body end has eccentric circlip groove, suit plunger back-up ring, plunger back-up ring side embeds plunger lumen pore, the large end axis body of block plunger.The electromagnet of electromagnetic valve component is short cylinder with the level, periphery gang socket, can be communicated with automatical control system, electromagnet the inner is inlaid in the electromagnet mounting hole of the pump housing, outside electromagnet nut is fastened on the pump housing, the inner of electromagnet has the valve core spring hole of connection outer end, armature hole, valve core spring hole is thinner step hole, through electromagnet exterior edge face, return tube can be connected, the armature movable set of dish axle shape is in electromagnet armature hole, spool is fixedly mounted with in the mesopore of armature, spool is elongated step axis body, through the connection mesopore on the pump housing, end card stretches into low pressure oil supply chamber, contact with lift block, spool outer end is stretched in the valve core spring hole of electromagnet, suit return spring, spool neck annular groove cover cartridge spool back-up ring, contact armature card, sheath is set with outside spool back-up ring, in valve core spring hole, step seam is equipped with check ring, the two ends of return spring contact respectively on check ring and sheath ends.The external cover balance spring of armature shaft, balance spring one end contacts the interior card of armature, the other end conflict electromagnet mounting hole be connected on step surface that mesopore connects, the pump housing plays the valve body effect of solenoid valve.The lift block of fuel feeding assembly is step type axle sleeve structure, small end movable set is in the low pressure oil supply chamber endoporus of the pump housing, the end card of interior edge face and spool is conflicted, lift block inner chamber is connected with outside low pressure oil supply chamber by oil through that is radial and end opens, seal groove suit seal ring outside large end, seal equipped with low pressure oil supply chamber macropore hole wall, the interface tube of equipped oil inlet pipe in large end endoporus, large end exterior edge face is concordant with pump housing exterior edge face, by screw, bonnet is fixed on the pump housing, by the shutoff of lift block in low pressure oil supply chamber.
Operating principle is: when electromagnet no electric circuit, under the effect of return spring, and the related spool of armature is in the right-hand member of electromagnet mounting hole, now low pressure oil supply chamber be connected mesopore, high pressure oilhole, plunger lumen pore be interconnected.If now plunger is descending, forms negative pressure, be oil-feed state in plunger lumen pore, the fuel oil in fuel supply line input low pressure oil supply chamber, under atmospheric pressure and Gravitative Loads, inputs high pressure oilhole and plunger lumen pore by connecting mesopore; When diesel engine cam pushes pusher body, when plunger is pushed up, if electromagnet powers up, the active force that then armature band movable valve plug overcomes return spring is moved to the left, spool end card blocks the communication gap connecting mesopore and low pressure oil supply chamber, in the promotion lower plunger lumen pore of plunger, form high pressure, be communicated with oil sprayer by high pressure oilhole with high-pressure oil pipe, high pressure fuel is sprayed into cylinder of diesel engine.Electromagnet to power up frequency identical with the upstream frequency of plunger, realize synchronous high frequency fuel feeding.By magnet control armature and spool action, by the oil supply system that mechanical type Injection Pump is feature with plunger skewed slot positioning control fuel delivery and fuel injection timing, being converted to time controling is the fuel injection system of feature, accurately can be selected and regulate by intergrated circuit in prespecified range to doing on fuel feeding opportunity and fuel delivery.
Carry out manufacturing experimently, testing according to technique scheme, proof the utility model is reasonable in design, compact structure, volume is little, lightweight, easy to install, can accurately regulating and controlling fuel supply advance angle and fuel delivery, effectively improve pump end pressure, oil spout quality is good, efficiency is high, oil consumption is low, noise is little, matching performance is good, long service life, guarantees the supporting needs meeting single cylinder diesel, reach national emission regulation demands, be conducive to energy-conserving and environment-protective, economic benefit and social benefit well, reach predetermined object preferably.
Accompanying drawing explanation
Fig. 1 is that master of the present utility model looks cross-sectional view;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is that the B of Fig. 1 is to plan view;
Fig. 4 is the C direction view of Fig. 1;
Fig. 5 is the cross-sectional view of the pump housing 4 in Fig. 1;
Fig. 6 is the electromagnetic valve component structural representation in Fig. 1;
Fig. 7 is the D partial structurtes enlarged view in Fig. 1;
Fig. 8 is the sectional view of the lift block 5 in Fig. 7;
Fig. 9 is the mounting point schematic diagram of the utility model on diesel-engine body 19.
In figure, 1-electromagnet, 2-spool, 3-electromagnet nut, 4-pump housing, 5-lift block, 6-screw, 7-oil inlet pipe, 8-bonnet, 9-plunger, 10-piston spring, 11-plunger back-up ring, 12-pusher body, 13-spring lower seat, 14-packing ring, 15-armature, 16-check ring, 17-sheath, 18-spool back-up ring, 19-diesel-engine body, 20-oil sprayer, 21-fuel tank, 22-high-pressure oil pipe, 23-fuel supply line, 24-return tube, 25-instruction wire; A-line of vision symbol, B-line of vision symbol, C-line of vision symbol, D-local symbol, E-socket, F-valve core spring hole, H-connection mesopore, K-plunger lumen pore, L-high pressure oilhole, M-electromagnet mounting hole, N-low pressure oil supply chamber, P-balance spring, Q-seal ring, R-return spring, S-circlip groove, T-fitting seat, U-armature hole, X-oil through.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is illustrated.
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, the utility model is installed on the pump housing 4 is formed by plunger assembly, electromagnetic valve component, fuel feeding assembly, by electric control system controls fuel feeding, on the pump housing 4, axially having plunger lumen pore K connects through high pressure oilhole L, bi-side have electromagnet mounting hole M and low pressure oil supply chamber N, be communicated with by connecting mesopore H, and with high pressure oilhole L vertical connection; Plunger assembly comprises plunger 9, piston spring 10, spring lower seat 13, pusher body 12, and the leading portion of plunger 9 is fitted in the plunger lumen pore K of the pump housing 4, and seat 13 under back segment suit piston spring 10 linking springs, is inlaid in pusher body 12; Electromagnetic valve component comprises electromagnet 1, armature 15, spool 2, return spring R, in the armature hole U of electromagnet 1 the inner, movable set armature 15, be installed in the electromagnet mounting hole M of the pump housing 4, armature 15 mesopore is fixedly mounted with spool 2, and spool 2 one end is sleeved in the valve core spring hole F at electromagnet 1 center, and the other end stretches into low pressure oil supply chamber N through connecting mesopore H, end card and lift block 5 inconsistent, the pump housing 4 serves the effect of electromagnetic valve body; Lift block 5 is installed in the N of low pressure oil supply chamber, and the spool 2 held with the connection mesopore H of inside is inconsistent.Be set with the pipe joint of oil inlet pipe 7 in the endoporus of lift block 5, fuel tank 21 is connected by fuel supply line 23 in oil inlet pipe 7 outer end, is fastened on the pump housing 4, by the port closing of low pressure oil supply chamber N with screw 6 by bonnet 8.Electromagnet mounting hole M and low pressure oil supply chamber N is step hole, the outside opening of macropore, is equipped with electromagnet 1 and lift block 5 respectively in hole, equipped plunger 9 in axial plunger lumen pore K.Plunger 9 is step type major axis body, and large end axis body movable set is in the plunger lumen pore K of the pump housing 4, and the end of small end axis body is inlaid in spring lower seat 13, is sleeved in pusher body 12 inner chamber; Piston spring 10 is sleeved on outside plunger 9, and one end holds out against on spring lower seat 13, and the other end is stuck on the step surface of cylinder axis body of the pump housing 4.Cylinder axis body end has eccentric circlip groove S, and suit plunger back-up ring 11, embeds the large end axis body of the plunger back-up ring 11 side block plunger 9 of plunger lumen pore K.
Consult Fig. 5, the pump housing 4 is the integrated member that rectangular body and cylinder axis body connect and compose, cylinder axis body end face has axial plunger lumen pore K, with rectangular body central shaft to high pressure oilhole L be connected the through pump housing 4, rectangular body both sides are provided with the fitting seat T of band screw hole, and for being equipped with diesel-engine body 19, radial electromagnet mounting hole M and low pressure oil supply chamber N is offered in pump face, both sides respectively, middle by connecting mesopore H connection, middle connection mesopore H and high pressure oilhole L vertical connection.
Consult Fig. 6, the electromagnet 1 of electromagnetic valve component is short cylinder with the level, periphery is provided with socket E, can be communicated with automatical control system, electromagnet 1 the inner is inlaid in the electromagnet mounting hole M of the pump housing 4, outside electromagnet nut 3 is fastened on the pump housing 4, electromagnet 1 the inner has armature hole U and is communicated with spool spring eye F, valve core spring hole F is thinner step hole, through electromagnet 1 exterior edge face, return tube 24 can be connected, armature 15 movable set of dish axle shape is in the armature hole U of electromagnet 1, spool 2 is fixedly mounted with in the mesopore of armature 15, spool 2 is elongated step axis body, low pressure oil supply chamber N is stretched into through the connection mesopore H on the pump housing 4, end card and the lift block 5 of spool 2 contact, spool 2 outer end is stretched in the valve core spring hole F of electromagnet 1, suit return spring R, spool 2 neck annular groove cover cartridge spool back-up ring 18 contacts armature 15 outer end card, sheath 17 is set with outside spool back-up ring 18, in the F of valve core spring hole, step seam is equipped with check ring 16, the two ends of return spring R contact respectively on check ring 16 and sheath 17 end, the axis body overcoat balance spring P of armature 15, balance spring P one end contacts the interior card of armature 15, the other end conflict electromagnet mounting hole M be connected on step surface that mesopore H connects.
Consult Fig. 7, Fig. 8, the lift block 5 of fuel feeding assembly is step type axle sleeve structure, small end movable set is in the low pressure oil supply chamber N endoporus of the pump housing 4, the spool 2 end card that interior edge face is held with inner connection mesopore H is inconsistent, and lift block inner chamber is connected with outside low pressure oil supply chamber N by oil through X that is radial and end opens.Seal ring Q is set with in seal groove outside large end, seal equipped with low pressure oil supply chamber N exit orifice hole wall, the interface tube of equipped oil inlet pipe 7 in large end mesopore, lift block 5 exterior edge face is concordant with the pump housing 4 exterior edge face, by screw 6, bonnet 8 is fixed on the pump housing 4, by lift block 5 shutoff in the N of low pressure oil supply chamber.
Operating principle is: when electromagnet 1 no electric circuit, under the effect of return spring R, the related spool 2 of armature 15 keeps home position, is in the right-hand member of electromagnet mounting hole M, now low pressure oil supply chamber N be connected mesopore H, high pressure oilhole L, plunger lumen pore K is interconnected.If now plunger 9 is descending, forms negative pressure, be oil-feed state in plunger lumen pore K, fuel supply line 23 inputs the fuel oil in low pressure oil supply chamber under atmospheric pressure and Gravitative Loads, inputs high pressure oilhole L and plunger lumen pore K by connecting mesopore H; When diesel engine cam pushes pusher body 12, when plunger 9 is pushed up, if electromagnet 1 powers up, the active force that then armature 15 overcomes return spring R with movable valve plug 2 is moved to the left, spool 2 end card blocks the communication gap connecting mesopore H and low pressure oil supply chamber N, under the promotion of plunger 9, forms high pressure in plunger lumen pore K, be communicated with oil sprayer 20 by high pressure oilhole L with high-pressure oil pipe 22, high pressure fuel is sprayed into cylinder of diesel engine.Electromagnet 1 to power up frequency identical with the upstream frequency of plunger 9, control armature 15 and spool 2 action by electromagnet 1, realize high frequency fuel feeding,
The utility model compact structure, volume is little, lightweight, easy to install, by the oil supply system that traditional mechanical type Injection Pump is feature with plunger skewed slot positioning control fuel delivery and fuel injection timing, being converted to time controling is the fuel injection system of feature, can accurately regulating and controlling fuel supply advance angle and fuel delivery, pump end pressure brings up to 160MPa, reach 5 times of traditional Injection Pump, oil spout quality is good, efficiency is high, the reduction by 5 ~ 10% of fuel oil consumption, noise reduces by 15%, matching performance is good, guarantee the supporting needs meeting single cylinder diesel, reach national emission regulation demands, be conducive to energy-conserving and environment-protective, there is good economic benefit and social benefit.

Claims (5)

1. a use for diesel engine electric control monoblock fuel-injection pump, it is characterized in that being installed on the pump housing (4) being formed by plunger assembly, electromagnetic valve component, fuel feeding assembly, by electric control system controls fuel feeding, the pump housing (4) is upper, and axially having plunger lumen pore (K) connects through high pressure oilhole (L), bi-side have electromagnet mounting hole (M) and low pressure oil supply chamber (N), by connect mesopore (H) be communicated with, and with high pressure oilhole (L) vertical connection; Plunger assembly comprises plunger (9), piston spring (10), spring lower seat (13), pusher body (12), the leading portion of plunger (9) is fitted in the plunger lumen pore (K) of the pump housing (4), seat (13) under back segment suit piston spring (10) linking springs, is inlaid in pusher body (12); Electromagnetic valve component comprises electromagnet (1), armature (15), spool (2), return spring (R), in the armature hole (U) that electromagnet (1) is inner, movable set armature (15) is installed in the electromagnet mounting hole (M) of the pump housing (4), armature (15) mesopore is fixedly mounted with spool (2), spool (2) one end movable set is in the valve core spring hole (F) at electromagnet (1) center, the other end is through the connection mesopore (H) in the middle of the pump housing (4), end card stretches into low pressure oil supply chamber (N), inconsistent with fuel feeding assembly; Fuel feeding assembly comprises lift block (5), oil inlet pipe (7), lift block (5) is installed in the low pressure oil supply chamber (N) of the pump housing (4), the spool (2) held with the connection mesopore (H) of inside is inconsistent, the pipe joint of oil inlet pipe (7) is sleeved in the mesopore of lift block (5), fuel tank (21) is connected by fuel supply line (23) in oil inlet pipe (7) outer end, with screw (6), bonnet (8) is fastened on the aperture in the upper shutoff low pressure oil supply chamber (N) of the pump housing (4).
2. according to use for diesel engine electric control monoblock fuel-injection pump according to claim 1, it is characterized in that the integrated member that the described pump housing (4) connects and composes for rectangular body and cylinder axis body, cylinder axis body end face has axial plunger lumen pore (K), with rectangular body central shaft to high pressure oilhole (L) be connected the through pump housing (4), rectangular body both sides are provided with the fitting seat (T) of band screw hole, for being equipped with diesel-engine body (19), pump face, front and back offers radial electromagnet mounting hole (M) and low pressure oil supply chamber (N) respectively, middle by connecting mesopore (H) connection, middle connection mesopore (H) and high pressure oilhole (L) vertical connection, electromagnet mounting hole (M) and low pressure oil supply chamber (N) are step hole, the outside opening of macropore, electromagnet (1) and lift block (5) is equipped with respectively in hole, equipped plunger (9) in axial plunger lumen pore (K).
3. according to use for diesel engine electric control monoblock fuel-injection pump according to claim 1, it is characterized in that the plunger (9) of described plunger assembly is for step type major axis body, large end axis body movable set is in the plunger lumen pore (K) of the pump housing (4), the end of small end axis body is inlaid in spring lower seat (13), be sleeved in pusher body (12) inner chamber, piston spring (10) is sleeved on plunger (9) outside, one end holds out against on spring lower seat (13), the other end is stuck on the step surface of the cylinder axis body of the pump housing (4), cylinder axis body end has eccentric circlip groove (S), suit plunger back-up ring (11), embed the large end axis body of plunger back-up ring (11) side block plunger (9) of plunger lumen pore (K).
4. according to use for diesel engine electric control monoblock fuel-injection pump according to claim 1, it is characterized in that the electromagnet (1) of described electromagnetic valve component is short cylinder with the level, periphery gang socket (E), can be communicated with automatical control system, electromagnet (1) the inner is inlaid in the electromagnet mounting hole (M) of the pump housing (4), outside electromagnet nut (3) is fastened on the pump housing (4), the inner of electromagnet (1) has the valve core spring hole (F) that armature hole (U) is communicated with outer end, valve core spring hole (F) is thinner step hole, through electromagnet (1) exterior edge face, return tube (24) can be connected, armature (15) movable set of dish axle shape is in the armature hole (U) of electromagnet (1), spool (2) is fixedly mounted with in the mesopore of armature (15), spool (2) is elongated step axis body, inner through the connection mesopore (H) on the pump housing (4), end card stretches into low pressure oil supply chamber (N), contact with lift block (5), spool (2) outer end is stretched in the valve core spring hole (F) of electromagnet (1), suit return spring (R), spool (2) neck annular groove cover cartridge spool back-up ring (18) contacts armature (15) outer end card, spool back-up ring (18) outside suit sheath (17), the interior step seam in valve core spring hole (F) is equipped with check ring (16), the two ends of return spring (R) contact respectively on check ring (16) and sheath (17) end, the axle extracorporeal set balance spring (P) of armature (15), one end contacts the interior card of armature (15), the other end conflict electromagnet mounting hole (M) be connected on step surface that mesopore (H) connects.
5. according to use for diesel engine electric control monoblock fuel-injection pump according to claim 1, it is characterized in that the lift block (5) of described fuel feeding assembly is step type axle sleeve structure, small end movable set is in low pressure oil supply chamber (N) endoporus of the pump housing (4), the end card of interior edge face and spool (2) is conflicted, lift block (5) inner chamber is connected with outside low pressure oil supply chamber (N) by oil through (X) that is radial and end opens, seal ring (Q) is set with in seal groove outside large end, seal equipped with low pressure oil supply chamber (N) exit orifice hole wall, the interface tube of equipped oil inlet pipe (7) in large end endoporus, large end exterior edge face is concordant with the pump housing (4) exterior edge face, by screw (6), bonnet (8) is fixed on the pump housing (4), by lift block (5) shutoff in low pressure oil supply chamber (N).
CN201420398521.2U 2014-07-18 2014-07-18 A kind of use for diesel engine electric control monoblock fuel-injection pump Expired - Fee Related CN204041320U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104061097A (en) * 2014-07-18 2014-09-24 山东鑫亚工业股份有限公司 Electric control uniset fuel injection pump for diesel engine
CN109736988A (en) * 2018-12-31 2019-05-10 南岳电控(衡阳)工业技术股份有限公司 A kind of electric control monoblock fuel-injection pump of single cylinder diesel
CN110067653A (en) * 2019-04-03 2019-07-30 陕西渭阳动力技术服务有限责任公司 A kind of parking device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104061097A (en) * 2014-07-18 2014-09-24 山东鑫亚工业股份有限公司 Electric control uniset fuel injection pump for diesel engine
CN109736988A (en) * 2018-12-31 2019-05-10 南岳电控(衡阳)工业技术股份有限公司 A kind of electric control monoblock fuel-injection pump of single cylinder diesel
CN109736988B (en) * 2018-12-31 2023-08-29 南岳电控(衡阳)工业技术股份有限公司 Electric control single body fuel injection pump for single cylinder diesel engine
CN110067653A (en) * 2019-04-03 2019-07-30 陕西渭阳动力技术服务有限责任公司 A kind of parking device

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