CN105673279B - A kind of charge oil pressure and oil mass is adjustable is compressed axially formula dispensing pump - Google Patents
A kind of charge oil pressure and oil mass is adjustable is compressed axially formula dispensing pump Download PDFInfo
- Publication number
- CN105673279B CN105673279B CN201610135321.1A CN201610135321A CN105673279B CN 105673279 B CN105673279 B CN 105673279B CN 201610135321 A CN201610135321 A CN 201610135321A CN 105673279 B CN105673279 B CN 105673279B
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- China
- Prior art keywords
- oil
- sliding block
- spring
- fuel
- flow control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
- F02M41/02—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor being spaced from pumping elements
- F02M41/04—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor being spaced from pumping elements the distributor reciprocating
- F02M41/047—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor being spaced from pumping elements the distributor reciprocating by means of electric drive
Abstract
Formula dispensing pump is compressed axially the invention provides a kind of charge oil pressure and oil mass are adjustable, mainly including oil pumping device, hydraulic adjustment device and oil controller.The power drive by single magnetic valve A is characterized in, realizes regulation charge oil pressure and the dual-use function of oil mass.The present invention realizes opening and closing fuel feeding, the temporary dregs of fat and drop weight by the sliding block A that section is in " scholar " shape structure;By protrusive board and the cooperation of fuel-flow control push pedal, regulation fuel delivery is realized.
Description
Technical field
Formula dispensing pump is compressed axially the present invention relates to a kind of charge oil pressure and oil mass are adjustable, more particularly to one kind passes through list
Magnetic valve A power drive, realize regulation charge oil pressure and the dual-use function of oil mass;It is in the sliding block of " scholar " shape structure by section
A, realize opening and closing fuel feeding, the temporary dregs of fat and drop weight;By protrusive board and the cooperation of fuel-flow control push pedal, regulation fuel delivery, category are realized
In the technical research field for being compressed axially formula dispensing pump.
Background technology
The formula dispensing pump of being compressed axially is at regular time and quantity to be supplied respectively to fuel oil by distributor gear with one group of fuel feeding element
Each cylinder of diesel engine.But due to being compressed axially the unicity of formula distribution pump configuration at present, cause problems with:It is first, maximum
Charge oil pressure is small compared with jerk fuel injection pump;Second, maximum fuel delivery is small compared with jerk fuel injection pump.
Therefore, for the existing maximum charge oil pressure and fuel delivery for being compressed axially formula dispensing pump generally existing in use compared with
The problems such as jerk fuel injection pump is small, it should be considered from being compressed axially in the overall structure of formula dispensing pump, design can provide
One kind of larger charge oil pressure and fuel delivery is compressed axially formula dispensing pump.
The content of the invention
The present invention is directed to the existing maximum charge oil pressure and fuel delivery for being compressed axially formula dispensing pump generally existing in use
The problems such as small compared with jerk fuel injection pump, there is provided a kind of a kind of charge oil pressure that can effectively solve the above problems and oil mass are adjustable
It is compressed axially formula dispensing pump.
A kind of adjustable formula dispensing pump that is compressed axially of charge oil pressure and oil mass of the present invention uses following technical scheme:
A kind of charge oil pressure and oil mass is adjustable is compressed axially formula dispensing pump, mainly including oil pumping device, oil pressure regulation dress
Put and oil controller, the oil pumping device are mainly made up of the pump housing, plunger bushing, distribution plunger and magnetic valve B;The oil pressure
Adjusting means is mainly made up of spring base A, spring A, sliding block A and magnet coil A, and spring base A is arranged on magnet coil A, bullet
Connecting spring seat A and sliding block A is distinguished at spring A both ends, and spring A quantity is for 4 and circumferential uniform, and sliding block A is designed as section in circle
Shape, section are the structure of " scholar ";The oil controller is mainly pushed away by fuel-flow control sleeve, protrusive board, push rod and fuel-flow control
Plate is formed, and protrusive board is arranged on sliding block A, and push rod is L-shaped, and push rod one end is arranged on fuel-flow control sleeve, the push rod other end
Fuel-flow control push pedal is installed, by spring C on magnetic valve A shell, spring C is 2 and put down for fuel-flow control push pedal
Row is arranged in juxtaposition.
The sliding block A front ends are that " scholar " prefix is used for open and close distribution oil duct and oil road;The sliding block A front ends with it is fuel-displaced
Road is interference fits;Recess among the sliding block A is used to keep in the dregs of fat;The sliding block A rear ends installation spring A.
Strip grooves are provided with the downside of the passage of the sliding block A, protrusive board moves freely in strip grooves with sliding block A.
The section of the push rod is box-structure, and the fuel-flow control push pedal on push rod is rectangle thin-slab structure.
The coefficient of elasticity of the spring A and spring C are equal.
The magnet coil A produces magnetic force after being powered, and overcomes spring A elastic force and attracts sliding block A to move axially;The electromagnetism
Magnetic force size caused by loop A is adjusted with the number of turn on angle.
The present invention is provided with magnetic valve A at oil road, passes through magnetic valve A spring base A, spring A, sliding block A and electromagnetism
Loop A realizes the regulation of charge oil pressure, i.e., in Fuel injection system, when the charge oil pressure of distribution oil duct is unable to reach expecting pressure
When, sliding block A closes oil road in the presence of spring A;, only need to be to electricity when the charge oil pressure for distributing oil duct reaches expecting pressure
Magnetic coil A is powered, then magnet coil A will produce electromagnetic force, and it overcomes spring A elastic force and moved with movable slider A, makes distribution oily
Road is in the state connected with oil road, realizes fuel feeding;By distributing the confession at oil duct different pressures moment to magnet coil A
Electricity, realize the regulation of charge oil pressure.
Sliding block A is designed as that section is rounded by the present invention, and section is the structure of " scholar ", passes through this design and realizes that opening and closing supplies
The function of oil, the temporary dregs of fat and drop weight, i.e., distribute oil duct and oil road, and sliding block A front ends by sliding block A front ends come open and close
It is interference fits with oil road, the internal leakage of fuel feeding can be prevented;It is used to keep in the dregs of fat by the recess among sliding block A, prevents oil
Slag impurity wears sliding block A, causes internal leakage;Section for the structure of " scholar " shape is obtained by removing material means, and this can drop
Low sliding block A weight, realize the light-weight design for being compressed axially formula dispensing pump.
The present invention is provided with protrusive board on sliding block A, and fuel-flow control push pedal is provided with push rod, is realized axially by this design
The regulation of compression dispensing pump fuel delivery, i.e., in Fuel injection system, such as to increase fuel delivery, need to only increase to magnet coil A's
Delivery, caused larger electromagnetic force, not only overcome spring A elastic force, protrusive board is contacted fuel-flow control push pedal, and overcome bullet
Spring C elastic force, drive fuel-flow control push pedal to move to right by protrusive board, and then make push rod drive fuel-flow control sleeve to move to right, postpone draining
Hole is opened, and extends supply time, so as to increase fuel delivery.
The present invention will be provided with strip grooves on the downside of sliding block A passage, realize protrusive board in strip grooves with cunning by this design
Block A is moved freely.
Putter design is box-structure by the present invention, this to design the weight for both having reduced push rod, increases the rigidity of push rod again.
Fuel-flow control push pedal is designed as rectangle thin-slab structure by the present invention, and this design had both been easy to that 2 spring C's is parallel
It is arranged in juxtaposition, is easy to protrusive board to contact again and drives fuel-flow control push pedal to move.
The beneficial effects of the invention are as follows:By single magnetic valve A power drive, pair for adjusting charge oil pressure and oil mass is realized
Weight function;It is in the sliding block A of " scholar " shape structure by section, realizes opening and closing fuel feeding, the temporary dregs of fat and drop weight;Pass through protrusive board and oil mass
The cooperation of push pedal is adjusted, realizes regulation fuel delivery.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the close-up schematic view of hydraulic adjustment device and oil controller in the present invention.
Fig. 3 is push rod and the connection diagram of fuel-flow control push pedal in the present invention.
Wherein:1st, magnetic valve A, 2, spring base A, 3, spring A, 4, magnet coil A, 5, sliding block A, 6, distribution oil duct, 7, go out
Oil duct, 8, push rod, 9, central oil passage, 10, oil leak hole, 11, fuel-flow control sleeve, 12, distribution plunger, 13, plunger bushing, 14, pump
Body, 15, oil input channel, 16, magnet coil B, 17, magnetic valve B, 18, spring base B, 19, spring B, 20, slide block B, 21, spring C,
22nd, fuel-flow control push pedal, 23, protrusive board.
Embodiment
Embodiment:
As shown in Figure 1 and Figure 2, a kind of charge oil pressure and oil mass is adjustable is compressed axially formula dispensing pump, mainly includes pump oil and fills
Put, hydraulic adjustment device and oil controller.Oil pumping device is mainly by the pump housing 14, plunger bushing 13, distribution plunger 12 and electromagnetism
Valve B 17 is formed.Hydraulic adjustment device is mainly made up of spring base A 2, spring A 3, sliding block A 5 and magnet coil A 4, spring
Seat A 2 is arranged on magnet coil A 4, the both ends of spring A 3 difference connecting spring seat A 2 and sliding block A 5, spring A 3 quantity
For 4 and circumferential uniform, sliding block A 5 is designed as that section is rounded, and section is the structure of " scholar ";Magnet coil A 4 is produced after being powered
Magnetisation power, overcome the elastic force of spring A 3 and attract sliding block A 5 to move axially, magnetic force size is with turn on angle caused by magnet coil A
It is how many to adjust.
Magnetic valve A 1 is installed at oil road 7, passes through magnetic valve A 1 spring base A 2, spring A 3, the and of sliding block A 5
Magnet coil A 4, the regulation of charge oil pressure is realized during work, i.e., in Fuel injection system, when the charge oil pressure of distribution oil duct 6 can not
When reaching expecting pressure, sliding block A 5 closes oil road 7 in the presence of spring A 3;When the charge oil pressure of distribution oil duct 6 reaches
During expecting pressure, magnet coil A 4 need to be only powered, then magnet coil A 4 will produce electromagnetic force, and it overcomes spring A 3 bullet
Power simultaneously moves with movable slider A 5, distribution oil duct 6 is in the state connected with oil road 7, realizes fuel feeding;By to electromagnetic wire
Power supplies of the A 4 at the distribution different pressures moment of oil duct 6 is enclosed, realizes the regulation of charge oil pressure.
The front ends of sliding block A 5 are that " scholar " prefix is used for open and close distribution oil duct 6 and oil road 7, the front ends of sliding block A 5 and oil road 7
For interference fits, the recess of the centres of sliding block A 5 is used to keep in the dregs of fat, specifically, distributing oil by the front ends of sliding block A 5 come open and close
Road 6 and oil road 7, and the front ends of sliding block A 5 and oil road 7 are interference fits, can prevent the internal leakage of fuel feeding;Pass through sliding block A
Recess among 5 is used to keep in the dregs of fat, prevents dregs of fat impurity abrasion sliding block A 5, causes internal leakage;Section is the structure of " scholar " shape
It is to be obtained by removing material means, this can reduce sliding block A 5 weight, realize that the lightweight for being compressed axially formula dispensing pump is set
Meter.
The rear ends of sliding block A 5 installation spring A 3.Be provided with strip grooves on the downside of sliding block A 5 passage, protrusive board 23 in strip grooves with
Sliding block A 5 is moved freely.
Oil controller is mainly made up of fuel-flow control sleeve 11, protrusive board 23, push rod 8 and fuel-flow control push pedal 22, convex
Plate 23 is arranged on sliding block A 5, and push rod 8 is L-shaped, and the one end of push rod 8 is arranged on fuel-flow control sleeve 11, the other end of push rod 8
Fuel-flow control push pedal 22 is installed, fuel-flow control push pedal 22 is arranged on by spring C 21 on magnetic valve A 1 shell, spring C
21 be 2 and parallel side-by-side is arranged.Spring C 21 is equal with spring A 3 coefficient of elasticity.
Protrusive board 23 is provided with sliding block A 5, is provided with fuel-flow control push pedal 22 on push rod 8, during work, passes through this design
The regulation for being compressed axially formula dispensing pump fuel delivery is realized, i.e., in Fuel injection system, such as to increase fuel delivery, need to only be increased to electromagnetism
The delivery of loop A 4, caused larger electromagnetic force, not only overcome spring A 3 elastic force, protrusive board 23 is contacted fuel-flow control
Push pedal 22, and overcome spring C 21 elastic force, drive fuel-flow control push pedal 22 to move to right by protrusive board 23, and then push rod 8 is driven oil
Amount regulating sleeve 11 is moved to right, and delay oil leak hole 10 is opened, and extends supply time, so as to increase fuel delivery.
With reference to shown in Fig. 3, the section of push rod 8 is box-structure, this to design the weight for both having reduced push rod 8, and increase again pushes away
The rigidity of bar 8;Fuel-flow control push pedal 22 on push rod 8 is rectangle thin-slab structure, and this design had both been easy to 2 spring C's 21
Parallel side-by-side is arranged, is easy to protrusive board 23 to contact again and is driven fuel-flow control push pedal 22 to move.
Claims (6)
- A kind of 1. charge oil pressure and oil mass is adjustable is compressed axially formula dispensing pump, mainly including oil pumping device, hydraulic adjustment device And oil controller, it is characterised in that:The oil pumping device is mainly by the pump housing, plunger bushing, distribution plunger and magnetic valve B groups Into;The hydraulic adjustment device is mainly made up of spring base A, spring A, sliding block A and magnet coil A, and spring base A is arranged on electromagnetism In loop A, spring A both ends difference connecting spring seat A and sliding block A, spring A quantity are for 4 and circumferential uniform, sliding block A designs Rounded for section, section is the structure of " scholar ";The oil controller mainly by fuel-flow control sleeve, protrusive board, push rod and Fuel-flow control push pedal is formed, and protrusive board is arranged on sliding block A, and push rod is L-shaped, and push rod one end is arranged on fuel-flow control sleeve, The push rod other end is provided with fuel-flow control push pedal, and fuel-flow control push pedal is arranged on by spring C on magnetic valve A shell, spring C Arranged for 2 and parallel side-by-side.
- A kind of 2. charge oil pressure as claimed in claim 1 and oil mass is adjustable is compressed axially formula dispensing pump, it is characterised in that:Institute State sliding block A front ends i.e. " scholar " prefix and be used for open and close distribution oil duct and oil road;Match somebody with somebody with oil road for transition the sliding block A front ends Close;Recess among the sliding block A is used to keep in oil leak;The sliding block A rear ends installation spring A.
- A kind of 3. charge oil pressure as claimed in claim 1 and oil mass is adjustable is compressed axially formula dispensing pump, it is characterised in that:Institute State and be provided with strip grooves on the downside of sliding block A passage, protrusive board moves freely in strip grooves with sliding block A.
- A kind of 4. charge oil pressure as claimed in claim 1 and oil mass is adjustable is compressed axially formula dispensing pump, it is characterised in that:Institute The section for stating push rod is box-structure, and the fuel-flow control push pedal on push rod is rectangle thin-slab structure.
- A kind of 5. charge oil pressure as claimed in claim 1 and oil mass is adjustable is compressed axially formula dispensing pump, it is characterised in that:Institute The coefficient of elasticity for stating spring A and spring C is equal.
- A kind of 6. charge oil pressure as claimed in claim 1 and oil mass is adjustable is compressed axially formula dispensing pump, it is characterised in that:Institute State after magnet coil A is powered and produce magnetic force, overcome spring A elastic force and attract sliding block A to move axially;The magnet coil A is produced Magnetic force size adjusted with the number of turn on angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610135321.1A CN105673279B (en) | 2016-03-10 | 2016-03-10 | A kind of charge oil pressure and oil mass is adjustable is compressed axially formula dispensing pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610135321.1A CN105673279B (en) | 2016-03-10 | 2016-03-10 | A kind of charge oil pressure and oil mass is adjustable is compressed axially formula dispensing pump |
Publications (2)
Publication Number | Publication Date |
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CN105673279A CN105673279A (en) | 2016-06-15 |
CN105673279B true CN105673279B (en) | 2017-11-24 |
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CN201610135321.1A Expired - Fee Related CN105673279B (en) | 2016-03-10 | 2016-03-10 | A kind of charge oil pressure and oil mass is adjustable is compressed axially formula dispensing pump |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5318001A (en) * | 1991-12-05 | 1994-06-07 | Stanadyne Automotive Corp. | Distributor type fuel injection pump |
GB2310914A (en) * | 1996-03-05 | 1997-09-10 | Lucas Ind Plc | Distributor arrangement |
CN201526401U (en) * | 2009-05-11 | 2010-07-14 | 福建省莆田市中涵机动力有限公司 | Electric control VE distribution pump for directly measuring advance angle by inductance sensor |
CN102213163A (en) * | 2010-04-01 | 2011-10-12 | 赵东方 | Oil supply intelligent distribution device of gasoline diesel engine |
CN104141541A (en) * | 2013-05-11 | 2014-11-12 | 张建国 | Fuel dispensing pump device of agricultural diesel engine |
CN205445853U (en) * | 2016-03-10 | 2016-08-10 | 济南大学 | Supply pressure and oil mass adjustable axial compression formula dispensing pump |
CN206000656U (en) * | 2016-06-03 | 2017-03-08 | 江阴林格科技有限公司 | The automatically controlled rotary oil mass executor of VE type dispensing pump |
-
2016
- 2016-03-10 CN CN201610135321.1A patent/CN105673279B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5318001A (en) * | 1991-12-05 | 1994-06-07 | Stanadyne Automotive Corp. | Distributor type fuel injection pump |
GB2310914A (en) * | 1996-03-05 | 1997-09-10 | Lucas Ind Plc | Distributor arrangement |
CN201526401U (en) * | 2009-05-11 | 2010-07-14 | 福建省莆田市中涵机动力有限公司 | Electric control VE distribution pump for directly measuring advance angle by inductance sensor |
CN102213163A (en) * | 2010-04-01 | 2011-10-12 | 赵东方 | Oil supply intelligent distribution device of gasoline diesel engine |
CN104141541A (en) * | 2013-05-11 | 2014-11-12 | 张建国 | Fuel dispensing pump device of agricultural diesel engine |
CN205445853U (en) * | 2016-03-10 | 2016-08-10 | 济南大学 | Supply pressure and oil mass adjustable axial compression formula dispensing pump |
CN206000656U (en) * | 2016-06-03 | 2017-03-08 | 江阴林格科技有限公司 | The automatically controlled rotary oil mass executor of VE type dispensing pump |
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CN105673279A (en) | 2016-06-15 |
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Granted publication date: 20171124 Termination date: 20210310 |