CN109340075A - A kind of electromagnetic pump that can eliminate the precipitation of fuel negative-pressure air - Google Patents
A kind of electromagnetic pump that can eliminate the precipitation of fuel negative-pressure air Download PDFInfo
- Publication number
- CN109340075A CN109340075A CN201811195585.1A CN201811195585A CN109340075A CN 109340075 A CN109340075 A CN 109340075A CN 201811195585 A CN201811195585 A CN 201811195585A CN 109340075 A CN109340075 A CN 109340075A
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- China
- Prior art keywords
- fuel
- electromagnetic pump
- oil
- oil inlet
- bracket
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
- F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The invention discloses the electromagnetic pumps that one kind can eliminate the precipitation of fuel negative-pressure air, belong to electromagnetic pump apparatus field, a kind of electromagnetic pump that can eliminate the precipitation of fuel negative-pressure air, including oil inlet bracket and fuel-displaced bracket, fuel inlet fitting is equipped on the left of the oil inlet bracket, the fuel-displaced bracket right end is socketed with delivery connection, the delivery connection inner wall and fuel-displaced bracket right end are interference fitted, it may be implemented to be powered by electromagnetic coil and generate electromagnetic field driving forward plunger motion, reset spring return is relied on after power-off, it is moved back and forth by using pulse direct current electric control electromagnetic pump inner plunger, to realize the flow for changing pulse frequency and adjusting electromagnetic pump, simultaneously by being internally embedded check valve in limited block, under bivalve effect, keep oil liquid flowing more stable, the air of fuel oil under negative pressure in single valve is eliminated to be precipitated, to make fuel feeding It is more accurate, it works more stable, reduces the influence that electromagnetic pump works normally other equipment.
Description
Technical field
The present invention relates to electromagnetic pump apparatus fields, can eliminate fuel negative-pressure air more specifically to one kind and be precipitated
Electromagnetic pump.
Background technique
Electromagnetic pump is in the pump that the energization fluid in magnetic field flows under electromagnetic force to certain orientation.Utilize magnetic field
With the interaction of electric current in conductive fluid, make fluid by electromagnetic force and generate barometric gradient, to push fluid motion
A kind of device.Pump liquid-state metal is mostly used in practical, so also known as liquid metal electromagnetic pump, electromagnetic pump presses form of power
Ac pump and straightway pump can be divided into, conduction-type (conductance type) electromagnetic pump and sense can be divided into such a way that electric current in liquid metal is fed
Answer formula electromagnetic pump.Conductance type electromagnetic pump direct current or alternating current.It has the pipe of a non magnetic refractory metal, is magnetic around pipe
Iron, the magnetic line of force are vertical with pipe.When being passed through the electric current vertical with pipe and the magnetic line of force, according to left hand rule, mechanical force handle is generated
Conductive fluid force feed outlet pipe.Conductance type is generally pony pump, is used for low pressure and small flow.In conduction pump, electric current is by outer
Portion's power supply is directly conducted to liquid metal through pumping the electrode of ditch two sides.In induction pump, induction type uses many phase alternating current.Electric current is then
Incuded by alternating magnetic field and is generated.Up-to-the-minute induction electromagnetic pump is linear induction pump, flat, linear equipped with being arranged to
Stator winding, induction force is in axially, and size is larger, and high-capacity pump belongs to this seed type.
In use, technical staff is only capable of operating the opening and closing of electromagnetic pump existing electromagnetic pump, and can not be right
Flow in electromagnetic pump is preferably controlled, and part compared in precision equipment, need technical staff to flowing through in electromagnetic pump
Fluid carry out more accurately flow control, if the flow control of fluid is inaccurate in solenoid valve, easily to the work of whole equipment
It affects greatly as state, so as to cause serious production or experiment accident, while only having inside existing electromagnetic pump single
A check valve, the oil liquid fluid flowing instability in electromagnetic pump, so as to cause fuel oil analysed under the air impact of negative pressure state
Out, it and then influences to ooze in the equipment connecting with electromagnetic pump into fuel oil, influences the normal work of other equipment, or even cause serious
Safety accident.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide one kind can eliminate fuel negative-pressure air
The electromagnetic pump of precipitation, it, which may be implemented to be powered by electromagnetic coil, generates electromagnetic field driving forward plunger motion, relies on after power-off
Reset spring return is moved back and forth by using pulse direct current electric control electromagnetic pump inner plunger, to realize change arteries and veins
The flow that frequency adjusts electromagnetic pump is rushed, while by being internally embedded check valve in limited block, under bivalve effect, flows oil liquid
It is more stable, it eliminates the air of fuel oil under negative pressure in single valve and is precipitated, to keep fuel feeding more accurate, work more stable, subtract
The influence that few electromagnetic pump works normally other equipment.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of electromagnetic pump that can eliminate the precipitation of fuel negative-pressure air, including oil inlet bracket and fuel-displaced bracket, the oil inlet
Fuel inlet fitting is equipped on the left of bracket, the fuel-displaced bracket right end is socketed with delivery connection, the delivery connection inner wall and fuel-displaced branch
Frame right end interference fit, the oil inlet bracket centre, which is dug, oil liquid open-work, is equipped between the oil inlet bracket and fuel inlet fitting
Strainer, the strainer are fixedly connected with oil inlet rack inner wall, and oil inlet bracket outer end is cased with coil rack, the coil rack
Right end and fuel-displaced bracket are socketed, and the coil rack outer end is socketed with coil injection molding, and the coil injection molding upper end is fixedly connected with
Contact pin interface is fixedly connected with brass pin board in the contact pin interface, and the coil injection molding outer end is socketed with coil case, institute
State and lead to cavity in being equipped in fuel-displaced bracket, it is described in lead to and be equipped with plunger bushing in cavity, plunger rod is equipped in the plunger bushing, it is described
Be cased with reset spring among plunger rod, the plunger rod left end, which is dug, spring accommodating groove, be equipped in the spring accommodating groove into
Oil valve spring, is equipped with steel ball on the left of the oil inlet valve spring, oil inlet valve spring left and right ends respectively with steel ball and plunger rod
It is fixedly connected, the plunger bushing right end is connected with fixed check valve, and digging among the fixed check valve has the outer round of oil liquid, institute
It states and is equipped with the high-precision ball of stainless steel on the right side of fixed check valve, the outer round of oil liquid among the high-precision ball of stainless steel and fixed check valve
Match, the high-precision ball right end of stainless steel is fixedly connected with pressure spring, and the pressure spring right end is fixed with delivery connection inner wall
Connection, may be implemented to be powered by electromagnetic coil generates electromagnetic field driving forward plunger motion, returns after power-off by reset spring
Position, is moved back and forth by using pulse direct current electric control electromagnetic pump inner plunger, is adjusted to realize and change pulse frequency
The flow of electromagnetic pump, while by being internally embedded check valve in limited block, under bivalve effect, keeps oil liquid flowing more stable, disappear
Except the air of fuel oil under negative pressure is precipitated in single valve, to keep fuel feeding more accurate, works more stable, reduce electromagnetic pump pair
The influence that other equipment work normally.
Further, the fuel inlet fitting is dug close to oil inlet bracket one end detent outer groove, the detent outer groove
Interior to be equipped with outer ring sealed silicon cushion rubber, the outer ring sealed silicon cushion rubber inner and outer ends are tight with fuel inlet fitting and oil inlet bracket respectively
Closely connected conjunction, by the outer ring sealed silicon cushion rubber added between fuel inlet fitting and oil inlet bracket, convenient for enhancing fuel inlet fitting and
Sealing effect between oil inlet bracket reduces the oil liquid leakage in oil inlet bracket and fuel-displaced bracket.
Further, the strainer outer end is to agree with annular nylon ring, and described agree with is equipped with oil strain on the inside of annular nylon ring
Stainless (steel) wire, it is described to agree with annular nylon ring and be fixedly connected with oil strain stainless (steel) wire, by the oil strain stainless (steel) wire on strainer,
Convenient for being filtered to the oil liquid fluid entered in oil inlet bracket.
Further, 80 mesh of mesh model of the oil strain stainless (steel) wire, twine diameter is .-. millimeters, with a thickness of .-.
Millimeter, by selecting the filter screen of 80 mesh, convenient for being filtered to the oil liquid fluid entered in oil inlet bracket.
Further, the plunger rod left end is socketed with limited block, and the limited block left end, which is dug, steel ball empty slot, described
Mobile check valve body is connected in steel ball empty slot, the mobile check valve body right end cutting has movable metering hole, the activity limit
Discharge orifice matches with steel ball, by the mobile check valve body being clamped in limited block, convenient for flowing oil liquid under bivalve effect
It is more stable, it eliminates the air of fuel oil under negative pressure in single valve and is precipitated, to keep fuel feeding more accurate, work more stable, subtract
The influence that few electromagnetic pump works normally other equipment.
Further, the steel ball left end, which is dug, annular slot, and annular silica gel ring is connected in the annular slot,
Oil liquid open-work among annular silica gel ring left end and oil inlet bracket matches, and passes through the annular silicon being clamped in steel ball
Cushion rubber convenient for enhancing mobile check valve body to the sealing effect of oil inlet bracket, while reducing mobile check valve body in oil inlet bracket
Gouging abrasion when interior activity.
Further, it is equipped with rubber pad on the left of the fixed check valve, the rubber pad is located on the right side of plunger bushing, the rubber
Rubber mat left and right ends are fitted closely respectively at plunger bushing and fixed check valve, pass through the rubber added on the left of fixed check valve
Pad, convenient for promoting fixed check valve to the sealing effect of plunger bushing.
Further, digging in the coil rack has helical annular slot, and polyethylene is filled in the helical annular slot
Alcohol disperses water-based magnetic fluid, is convenient for the intraskeletal magnetism of intensifier coil, to control the flowing of the oil liquid fluid in oil inlet bracket.
Further, precipitating reagent, the precipitating reagent main component are filled in the polyvinyl alcohol dispersion water-based magnetic fluid
For alkaline solution, disperse in water-based magnetic fluid the amount for adding alkaline precipitating agent in polyvinyl alcohol by controlling, to adjust poly- second
The magnetism of enol dispersion water-based magnetic fluid.
Further, the helical annular slot inner wall is fixedly connected with the thin oil film of Used in Boundary Lubrication of Magnetic Fluids, the polyvinyl alcohol point
Aproll based magnetofluid is fitted closely with the thin oil film of Used in Boundary Lubrication of Magnetic Fluids, is moistened by the magnetic fluid being fixedly connected in helical annular slot inner wall
Sliding thin oil film is adhered to helical annular slot inner wall convenient for reducing polyvinyl alcohol dispersion water-based magnetic fluid, reduces polyvinyl alcohol dispersion
Effect of magnetic influence of the water-based magnetic fluid to coil rack.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) this programme may be implemented by electromagnetic coil be powered generate electromagnetic field drive forward plunger motion, after power-off according to
By reset spring return, moved back and forth by using pulse direct current electric control electromagnetic pump inner plunger, to realize change
Pulse frequency adjusts the flow of electromagnetic pump, while by being internally embedded check valve in limited block, under bivalve effect, makes oil liquid stream
It moves more stable, eliminates the fuel oil air under negative pressure in single valve and be precipitated, to keep fuel feeding more accurate, work more stable,
Reduce the influence that electromagnetic pump works normally other equipment.
(2) fuel inlet fitting is dug close to oil inlet bracket one end detent outer groove, and it is close that outer ring is equipped in detent outer groove
Silica gel ring is sealed, outer ring sealed silicon cushion rubber inner and outer ends are fitted closely with fuel inlet fitting and oil inlet bracket respectively, by oil inlet
The outer ring sealed silicon cushion rubber added between connector and oil inlet bracket, convenient for the sealing between enhancing fuel inlet fitting and oil inlet bracket
Effect reduces the oil liquid leakage in oil inlet bracket and fuel-displaced bracket.
(3) strainer outer end is to agree with annular nylon ring, agrees with and is equipped with oil strain stainless (steel) wire on the inside of annular nylon ring, agrees with ring
Shape nylon ring is fixedly connected with oil strain stainless (steel) wire, by the oil strain stainless (steel) wire on strainer, convenient for entrance oil inlet bracket
Interior oil liquid fluid is filtered.
(4) 80 mesh of mesh model of oil strain stainless (steel) wire, twine diameter are .-. millimeters, with a thickness of .-. millimeters, are passed through
The filter screen of 80 mesh is selected, convenient for being filtered to the oil liquid fluid entered in oil inlet bracket.
(5) plunger rod left end is socketed with limited block, and limited block left end, which is dug, steel ball empty slot, and shifting is connected in steel ball empty slot
Dynamic check valve body, mobile check valve body right end cutting have movable metering hole, and movable metering hole matches with steel ball, by limiting
The mobile check valve body being clamped in block, convenient for keeping oil liquid flowing more stable, eliminating the fuel oil in single valve under bivalve effect
Air under negative pressure is precipitated, to keep fuel feeding more accurate, works more stable, reduces what electromagnetic pump worked normally other equipment
It influences.
(6) steel ball left end, which is dug, annular slot, and annular silica gel ring is connected in annular slot, and annular silica gel ring is left
End matches with the oil liquid open-work among oil inlet bracket, by the annular silica gel ring being clamped in steel ball, convenient for enhancing movement
Check valve body to the sealing effect of oil inlet bracket, while reduce mobile check valve body it is movable in oil inlet bracket when collision mill
Damage.
(7) be equipped with rubber pad on the left of fixed check valve, rubber pad is located at plunger bushing right side, rubber pad left and right ends respectively at
Plunger bushing and fixed check valve fit closely, fixed unidirectional convenient for being promoted by the rubber pad added on the left of fixed check valve
Sealing effect of the valve to plunger bushing.
(8) digging in coil rack has helical annular slot, disperses water base magnetic current filled with polyvinyl alcohol in helical annular slot
Body is convenient for the intraskeletal magnetism of intensifier coil, to control the flowing of the oil liquid fluid in oil inlet bracket.
(9) it is filled with precipitating reagent in polyvinyl alcohol dispersion water-based magnetic fluid, precipitating reagent main component is alkaline solution, is passed through
It controls and adds the amount of alkaline precipitating agent in polyvinyl alcohol dispersion water-based magnetic fluid, so that adjusting polyvinyl alcohol disperses water base magnetic current
The magnetism of body.
(10) helical annular slot inner wall is fixedly connected with the thin oil film of Used in Boundary Lubrication of Magnetic Fluids, polyvinyl alcohol disperse water-based magnetic fluid with
The thin oil film of Used in Boundary Lubrication of Magnetic Fluids fits closely, and by the thin oil film of Used in Boundary Lubrication of Magnetic Fluids being fixedly connected in helical annular slot inner wall, is convenient for
It reduces polyvinyl alcohol dispersion water-based magnetic fluid and is adhered to helical annular slot inner wall, reduce polyvinyl alcohol dispersion water-based magnetic fluid to line
The effect of magnetic influence of ring framework.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram in Fig. 1 at B；
Fig. 4 is the structural schematic diagram of the mobile check valve body part of the present invention.
Figure label explanation:
1 oil inlet bracket, 2 fuel-displaced brackets, 3 fuel inlet fittings, 4 coil cases, 5 mobile check valve bodies, 6 steel balls, 7 strainers, in 8
Annular silica gel circle, 9 oil inlet valve springs, 10 outer ring sealed silicon cushion rubbers, 11 limited blocks, 12 plunger rods, 13 plunger bushings, 14 reset bullet
Spring, 15 rubber pads, 16 fixed check valves, the high-precision ball of 17 stainless steels, 18 pressure springs, 19 coil racks, 20 coil injection moldings, 21 brass
Pin board, 22 delivery connections.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected, can be mechanical connection, is also possible to be electrically connected, can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements, for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Please refer to Fig. 1-4, a kind of electromagnetic pump that can eliminate the precipitation of fuel negative-pressure air, including oil inlet bracket 1 and fuel-displaced
Bracket 2, fuel inlet fitting 3 is equipped on the left of oil inlet bracket 1, and fuel-displaced 2 right end of bracket is socketed with delivery connection 22,22 inner wall of delivery connection
It is interference fitted with fuel-displaced 2 right end of bracket, digging among oil inlet bracket 1 has oil liquid open-work, between oil inlet bracket 1 and fuel inlet fitting 3
Equipped with strainer 7, strainer 7 is fixedly connected with 1 inner wall of oil inlet bracket, and 1 outer end of oil inlet bracket is cased with coil rack 19, coil rack 19
Right end and fuel-displaced bracket 2 are socketed, and 19 outer end of coil rack is socketed with coil injection molding 20, and 20 upper end of coil injection molding is fixedly connected with slotting
Needle interface is fixedly connected with brass pin board 21 in contact pin interface, and 20 outer end of coil injection molding is socketed with coil case 4, fuel-displaced branch
Lead to cavity in being equipped in frame 2, in lead to and be equipped with plunger bushing 13 in cavity, plunger rod 12 is equipped in plunger bushing 13, among plunger rod 12
It is cased with reset spring 14,12 left end of plunger rod, which is dug, spring accommodating groove, and oil inlet valve spring 9, oil inlet are equipped in spring accommodating groove
Steel ball 6 is equipped on the left of valve spring 9,9 left and right ends of oil inlet valve spring are fixedly connected with steel ball 6 and plunger rod 12 respectively, plunger bushing
13 right ends are connected with fixed check valve 16, and digging among fixed check valve 16 has the outer round of oil liquid, set on the right side of fixed check valve 16
There is the high-precision ball 17 of stainless steel, the high-precision ball 17 of stainless steel matches with the outer round of oil liquid among fixed check valve 16, and stainless steel is high
Smart 17 right end of ball is fixedly connected with pressure spring 18, and 18 right end of pressure spring is fixedly connected with 22 inner wall of delivery connection, may be implemented to lead to
It crosses electromagnetic coil energization generation electromagnetic field drive plunger rod 12 to travel forward, 14 return of reset spring is relied on after power-off, by making
It is moved back and forth with pulse direct current electric control electromagnetic pump inner prop stopper rod 12, adjusts electromagnetic pump to realize and change pulse frequency
Flow under bivalve effect, keep oil liquid flowing more stable while by being internally embedded mobile check valve body 5 in limited block 11,
It eliminates the air of fuel oil under negative pressure in single valve to be precipitated, to keep fuel feeding more accurate, works more stable, reduce electromagnetic pump
The influence that other equipment are worked normally.
Referring to Fig. 1, fuel inlet fitting 3 is dug close to 1 one end of oil inlet bracket detent outer groove, it is equipped in detent outer groove
Outer ring sealed silicon cushion rubber 10,10 inner and outer ends of outer ring sealed silicon cushion rubber are closely pasted with fuel inlet fitting 3 and oil inlet bracket 1 respectively
It closes, by the outer ring sealed silicon cushion rubber 10 added between fuel inlet fitting 3 and oil inlet bracket 1, convenient for enhancing 3 He of fuel inlet fitting
Sealing effect between oil inlet bracket 1, reduces the oil liquid leakage in oil inlet bracket 1 and fuel-displaced bracket 2, and 7 outer end of strainer is to agree with
Annular nylon ring agrees with and is equipped with oil strain stainless (steel) wire on the inside of annular nylon ring, agrees with annular nylon ring and oil strain stainless (steel) wire is solid
Fixed connection is filtered by the oil strain stainless (steel) wire on strainer 7 convenient for being filtered to the oil liquid fluid entered in oil inlet bracket 1
80 mesh of mesh model of oily stainless (steel) wire, twine diameter are 0.11-0.15 millimeters, with a thickness of 0.22-0.3 millimeters, pass through choosing
With the filter screen of 80 mesh, convenient for being filtered to the oil liquid fluid entered in oil inlet bracket 1.
Referring to Fig. 1,12 left end of plunger rod is socketed with limited block 11,11 left end of limited block, which is dug, steel ball empty slot, steel ball
Mobile check valve body 5 is connected in empty slot, mobile 5 right end of check valve body cutting has movable metering hole, movable metering hole and steel ball 6
Match, by the mobile check valve body 5 being clamped in limited block 11, convenient for keeping oil liquid flowing more stable under bivalve effect,
It eliminates the air of fuel oil under negative pressure in single valve to be precipitated, to keep fuel feeding more accurate, works more stable, reduce electromagnetic pump
The influence that other equipment are worked normally.
Referring to Fig. 3,6 left end of steel ball, which is dug, annular slot, annular silica gel ring 8, inner ring are connected in annular slot
Oil liquid open-work among 8 left end of shape silica gel ring and oil inlet bracket 1 matches, and passes through the annular silica gel ring being clamped in steel ball 6
8, convenient for enhancing mobile check valve body 5 to the sealing effect of oil inlet bracket 1, while reducing mobile check valve body 5 in oil inlet bracket 1
Gouging abrasion when interior activity is fixed and is equipped with rubber pad 15 on the left of check valve 16, and rubber pad 15 is located at 13 right side of plunger bushing, rubber
It pads 15 left and right ends to fit closely respectively at plunger bushing 13 and fixed check valve 16, passes through what is added on the left of fixed check valve 16
Rubber pad 15, convenient for promoting fixed check valve 16 to the sealing effect of plunger bushing 13.
Referring to Fig. 1, digging in coil rack 19 has helical annular slot, disperse in helical annular slot filled with polyvinyl alcohol
Water-based magnetic fluid, to control the flowing of the oil liquid fluid in oil inlet bracket 1, gathers convenient for the magnetism in intensifier coil skeleton 19
Vinyl alcohol disperses to be filled with precipitating reagent in water-based magnetic fluid, and precipitating reagent main component is alkaline solution, by controlling in polyethylene
Alcohol disperses the amount of addition alkaline precipitating agent in water-based magnetic fluid, to adjust the magnetism of polyvinyl alcohol dispersion water-based magnetic fluid, spiral shell
Rotation annular groove inner wall is fixedly connected with the thin oil film of Used in Boundary Lubrication of Magnetic Fluids, and polyvinyl alcohol disperses water-based magnetic fluid and the thin oil of Used in Boundary Lubrication of Magnetic Fluids
Film fits closely, by the thin oil film of Used in Boundary Lubrication of Magnetic Fluids being fixedly connected in helical annular slot inner wall, convenient for reducing polyvinyl alcohol point
Aproll based magnetofluid is adhered to helical annular slot inner wall, reduces polyvinyl alcohol dispersion water-based magnetic fluid to the magnetism of coil rack 19
It influences.
The present invention may be implemented by electromagnetic coil be powered generate electromagnetic field drive plunger rod 12 travel forward, after power-off according to
It by 14 return of reset spring, is moved back and forth by using pulse direct current electric control electromagnetic pump inner prop stopper rod 12, thus real
Now change the flow that pulse frequency adjusts electromagnetic pump, coil energization generates electromagnetic field drive plunger rod 12 and travels forward, mobile single
It is closed to valve body 5, fixed check valve 16 is opened, and the outside fuel feeding of oil pump, coil blackout rear pillar stopper rod 12 is returned by reset spring 14
Position, mobile check valve body 5 are opened, and fixed check valve 16 is closed, and oil pump oil suction into plunger bushing 13, limited block 11 is internally embedded shifting
Dynamic check valve body 5 keeps oil liquid flowing more stable, eliminates the sky of fuel oil under negative pressure in single valve under bivalve effect
Air elutriation goes out, and keeps fuel feeding more accurate, works more stable, while by being internally embedded mobile check valve body 5 in limited block 11, in bivalve
Under effect, keep oil liquid flowing more stable, eliminates the air of fuel oil under negative pressure in single valve and be precipitated, to keep fuel feeding more smart
Really, it works more stable, reduces the influence that electromagnetic pump works normally other equipment.
The foregoing is intended to be a preferred embodiment of the present invention；But scope of protection of the present invention is not limited thereto.
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (10)
1. the electromagnetic pump that one kind can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: including oil inlet bracket (1) and fuel-displaced branch
Frame (2), oil inlet bracket (1) left side are equipped with fuel inlet fitting (3), and fuel-displaced bracket (2) right end is socketed with delivery connection
(22), delivery connection (22) inner wall and fuel-displaced bracket (2) right end are interference fitted, and digging among the oil inlet bracket (1) has
Oil liquid open-work is equipped with strainer (7) between the oil inlet bracket (1) and fuel inlet fitting (3), the strainer (7) and oil inlet bracket (1)
Inner wall is fixedly connected, and oil inlet bracket (1) outer end is cased with coil rack (19), coil rack (19) right end and fuel-displaced branch
Frame (2) socket, coil rack (19) outer end are socketed with coil injection molding (20), and coil injection molding (20) upper end is fixedly connected
There is contact pin interface, be fixedly connected in the contact pin interface brass pin board (21), coil injection molding (20) outer end is socketed with
Coil case (4), be equipped in the fuel-displaced bracket (2) in lead to cavity, it is described in lead in cavity and be equipped with plunger bushing (13), the column
Plunger rod (12) are equipped in plug sleeve (13), are cased with reset spring (14) among the plunger rod (12), the plunger rod (12) is left
End, which is dug, spring accommodating groove, is equipped with oil inlet valve spring (9) in the spring accommodating groove, sets on the left of the oil inlet valve spring (9)
Have steel ball (6), oil inlet valve spring (9) left and right ends are fixedly connected with steel ball (6) and plunger rod (12) respectively, the plunger
Set (13) right end is connected with fixed check valve (16), and digging among the fixed check valve (16) has the outer round of oil liquid, described solid
Determine to be equipped with the high-precision ball of stainless steel (17) on the right side of check valve (16), the high-precision ball of stainless steel (17) and fixed check valve (16) are intermediate
The outer round of oil liquid match, the high-precision ball of stainless steel (17) right end is fixedly connected with pressure spring (18), the pressure spring
(18) right end is fixedly connected with delivery connection (22) inner wall.
2. the electromagnetic pump that one kind according to claim 1 can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: described
Fuel inlet fitting (3) is dug close to oil inlet bracket (1) one end detent outer groove, and outer ring is equipped in the detent outer groove and is sealed
Silica gel ring (10), outer ring sealed silicon cushion rubber (10) inner and outer ends are close with fuel inlet fitting (3) and oil inlet bracket (1) respectively
Fitting.
3. the electromagnetic pump that one kind according to claim 1 can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: described
Strainer (7) outer end is to agree with annular nylon ring, and described agree with is equipped with oil strain stainless (steel) wire on the inside of annular nylon ring, described to agree with ring
Shape nylon ring is fixedly connected with oil strain stainless (steel) wire.
4. the electromagnetic pump that one kind according to claim 3 can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: described
80 mesh of mesh model of oil strain stainless (steel) wire, twine diameter is 0.11-0.15 millimeters, with a thickness of 0.22-0.3 millimeters.
5. the electromagnetic pump that one kind according to claim 1 can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: described
Plunger rod (12) left end is socketed with limited block (11), and limited block (11) left end, which is dug, steel ball empty slot, the steel ball empty slot
It is inside connected with mobile check valve body (5), mobile check valve body (5) the right end cutting has movable metering hole, the activity current limliting
Hole matches with steel ball (6).
6. the electromagnetic pump that one kind according to claim 5 can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: described
Steel ball (6) left end, which is dug, annular slot, is connected in the annular slot annular silica gel ring (8), the annular silica gel
Oil liquid open-work among circle (8) left end and oil inlet bracket (1) matches.
7. the electromagnetic pump that one kind according to claim 1 can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: described
Rubber pad (15) are equipped on the left of fixed check valve (16), the rubber pad (15) is located on the right side of plunger bushing (13), the rubber pad
(15) left and right ends are fitted closely respectively at plunger bushing (13) and fixed check valve (16).
8. the electromagnetic pump that one kind according to claim 1 can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: described
Digging in coil rack (19) has helical annular slot, disperses water-based magnetic fluid filled with polyvinyl alcohol in the helical annular slot.
9. the electromagnetic pump that one kind according to claim 8 can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: described
Polyvinyl alcohol disperses to be filled with precipitating reagent in water-based magnetic fluid, and the precipitating reagent main component is alkaline solution.
10. the electromagnetic pump that one kind according to claim 8 can eliminate the precipitation of fuel negative-pressure air, it is characterised in that: institute
It states helical annular slot inner wall and is fixedly connected with the thin oil film of Used in Boundary Lubrication of Magnetic Fluids, the polyvinyl alcohol dispersion water-based magnetic fluid and magnetic fluid
Thin oil film is lubricated to fit closely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195585.1A CN109340075A (en) | 2018-10-15 | 2018-10-15 | A kind of electromagnetic pump that can eliminate the precipitation of fuel negative-pressure air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195585.1A CN109340075A (en) | 2018-10-15 | 2018-10-15 | A kind of electromagnetic pump that can eliminate the precipitation of fuel negative-pressure air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340075A true CN109340075A (en) | 2019-02-15 |
Family
ID=65310085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811195585.1A Pending CN109340075A (en) | 2018-10-15 | 2018-10-15 | A kind of electromagnetic pump that can eliminate the precipitation of fuel negative-pressure air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340075A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550583A (en) * | 2020-04-13 | 2020-08-18 | 宁波润华全芯微电子设备有限公司 | High-precision glue pump for glue homogenizing and developing equipment |
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|---|---|---|---|---|
| FR2465903A1 (en) * | 1979-07-16 | 1981-03-27 | Ulka Srl | Alternating action electromagnetic piston pump - has magnetic piston acting against spring in body surrounded by excitation coil housed within cylindrical shell |
| DE4328621A1 (en) * | 1993-08-26 | 1995-03-02 | Thomas Magnete Gmbh | Electromagnetically drivable pump, in particular a metering pump (proportioning pump) |
| JPH11159473A (en) * | 1997-11-26 | 1999-06-15 | Silver Kk | Electromagnetic pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111550583A (en) * | 2020-04-13 | 2020-08-18 | 宁波润华全芯微电子设备有限公司 | High-precision glue pump for glue homogenizing and developing equipment |
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Application publication date: 20190215 |