CN105508099A

CN105508099A - Fuel oil pumping device

Info

Publication number: CN105508099A
Application number: CN201510984437.8A
Authority: CN
Inventors: 徐梓云
Original assignee: Chongqing Beijing Technology Development Co Ltd
Current assignee: Chongqing Beijing Technology Development Co Ltd
Priority date: 2015-12-25
Filing date: 2015-12-25
Publication date: 2016-04-20

Abstract

The invention discloses a fuel oil pumping device, and belongs to the technical field of fuel oil supply of internal combustion engines. The fuel oil pumping device is characterized in that an oil pump shell, an upper magnet and a lower magnet are mounted in a buoyancy shell; foot stands are fixed to one lower surface outside the buoyancy shell; the upper magnet and the lower magnet are fixed to the lower surface outside the oil pump shell; the lower end of the oil pump shell is fixed to the lower end in the buoyancy shell; a tubular shaft oil outlet valve, an oil inlet valve and an induced magnetism piston are mounted in the oil pump shell; after penetrating through a central hole of one upper end of the oil pump shell, the lower end of the tubular shaft oil outlet valve penetrates through the induced magnetism piston; and the oil inlet valve is matched with a boss of the inner end of an inner oil inlet, so that a fuel oil inlet channel can be sealed or opened. According to the fuel oil pumping device, the structure is compact, the power is strong, floating on the fuel oil surface, the fuel oil pumping device can automatically rise or drop along with the rising and dropping of the fuel oil surface, and moisture and impurities at the bottom of an oil box do not enter an oil pump during fuel oil pumping.

Description

Pump fuel fired equipment

Technical field

The present invention relates to the pump fuel fired equipment that can swim in pump oil on fuel oil face in a kind of fuel tank for being arranged on automobile.

Background technique

The filler opening of the fuel supply line of traditional fuel tank is all mounted in the bottom of fuel tank, and when fuel feeding, the moisture of tank bottoms and impurity are all easy to enter in fuel line, cause oil circuit to block.For this reason, we have devised the oil pump of the floating type that can swim on fuel oil face, to ensure that supply is not having moisture and impurity to the fuel oil of motor.

Summary of the invention

The object that the present invention relates to swims on fuel oil face to provide a kind of being arranged in fuel tank, the moisture in fuel tank and impurity can be avoided not to enter manufacture and the method thereof of the pump fuel fired equipment in fuel pump.

For achieving the above object, pump fuel fired equipment of the present invention mainly comprises buoyancy shell, oil-feed exit orifice, upper magnet, lower magnet, pump oilcan, oil-feed endoporus, oil inlet valve, sealing cone, answers magnetic piston, tubular shaft type outlet valve, conveying connecting head, magnetic field dispensing controller.

Lower part in buoyancy shell is provided with pump oilcan, upper magnet, lower magnet, and below the outside of buoyancy shell, one side is fixed with foot rest, and the lower end of foot rest is lower than the position of the oil-feed exit orifice of buoyancy shell lower end; Lower magnet is fixed on the lower part outside pump oilcan, and upper magnet is fixed on the upper part outside pump oilcan, and the lower end of pump oilcan is fixed on the lower end in buoyancy shell.

Connect upper magnet to be connected with magnetic field dispensing controller with the circuit of lower magnet, the circuit of magnetic field dispensing controller is connected with insulated electric conductor, and magnetic field dispensing controller is arranged in buoyancy shell.

Tubular shaft type outlet valve, oil inlet valve are installed in pump oilcan, answer magnetic piston, tubular shaft type outlet valve is fixed on the center hole of the overlying one end of pump oilcan, the lower end of tubular shaft type outlet valve from the center hole of the upper end of pump oilcan through rear, enter in pump oilcan through the one side entered into after answering magnetic piston above close to oil inlet valve, the lower end of tubular shaft type outlet valve and the one side above of oil inlet valve have gap, and below oil inlet valve, one side coordinates with the boss of the inner of the oil-feed endoporus of the lower end of pump oilcan and can seal or open the oil inlet passage entered in pump oilcan; Answer magnetic piston to be arranged in the inner chamber of pump oilcan, and be enclosed within the cylndrical surface of hollow valve body; The part that the upper-end surface of pump oilcan is exposed in the upper end of tubular shaft type outlet valve is connected with the lower end of conveying connecting head, conveying connecting head is fixed on the upper end of buoyancy shell by stretching out hole, the upper end of conveying connecting head is connected with the fuel feeding delivery pipe of fuel tank by flexible pipe or telescopic pipe.

The material of described buoyancy shell is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types, when buoyancy shell during employing rubber material or after being shaped is soft-shell, can pasta be floated on will first in use the inflation of the inner chamber of buoyancy shell; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of hollow valve body and pump oilcan or the material of several types; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of oil inlet valve or the material of several types; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction; The material of conveying connecting head is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types.

Described buoyancy shell is the hollow cavity producing buoyancy, the upper end of hollow cavity has stretches out hole and there is oil-feed exit orifice string holes, lower end, lower part in hollow cavity is provided with the parts installed in lower magnet, upper magnet pump oilcan and pump oilcan, and the upper part in hollow cavity is provided with conveying connecting head; Lower end in hollow shell coordinates with the lower end of pump oilcan and seals the inner chamber of the lower part of hollow shell, and the oil-feed exit orifice of hollow shell lower end communicates with the oil-feed endoporus of pump oilcan lower end; Stretching out hole is the hole allowing conveying connecting head pass, by nut fixing conveying connecting head, and by carrying connecting head and sealing gasket and nut seal to stretch out hole; String holes is the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; When buoyancy shell is put into fuel oil, the buoyancy that buoyancy shell produces can support the parts of buoyancy shell and inside thereof all wt and above floating on; When buoyancy shell swims in fuel oil general work, can raise with the rising in fuel oil face, reduce with the reduction in fuel oil face.

The inner chamber of described pump oilcan is cylindrical body, and the upper end on the center line of inner chamber has that center hole passes pump oilcan, there is oil-feed endoporus lower end through pump oilcan, has independently vent on the side of center hole; Have the boss of annular in the inner of oil-feed endoporus, the end face of boss is sealed end, and sealed end coordinates with one side below oil inlet valve.

The conveniently processing of pump oilcan and assembling, pump oilcan from recombinant behind upper end or lower end segmentation processing together, or after pump oilcan is punished into three sections of processing from top and bottom, recombinants together.

Described oil inlet valve is dull and stereotyped, below dull and stereotyped, one side is sealing surface, sealing surface coordinates the passage that can seal oil inlet passage and open into fuel oil with the boss of the inner of oil-feed endoporus, part beyond the part that oil inlet valve coordinates with boss and seals has oil-through hole, oil-through hole be oil through via hole.

Described tubular shaft type outlet valve comprises hollow valve body and sealing cone, and hollow valve body is the hollow shaft of hollow pipe-type, and the surface of the part that hollow valve body stretches in pump oilcan is smooth cylndrical surface, and cylndrical surface coordinates with answering the center hole of magnetic piston; There is fuel-displaced sealed end the lower end of hollow valve body, the lower end surface of fuel-displaced sealed end in the lower end of hollow valve body, upper-end surface is inner conical surface, the large end of inner conical surface communicates with the upper end of tubular shaft type outlet valve, small end communicates with the lower end of tubular shaft type outlet valve, and inner conical surface is provided with sealing cone; Inner conical surface with seal the male cone (strobilus masculinus) of bore and coordinate, can inner conical surface be sealed under the effect of the gravity of sealing cone, sealing that inner conical surface and sealing bore can be opened when being with the fuel oil of pressure from the endoporus of hollow valve body lower end and form passage.

Described magnetic piston of answering is columniform iron core, and there is smooth center hole at the position of the center line of columniform iron core, and the periphery of columniform iron core is smooth periphery; In smooth center hole, have the annular groove of depression, annular groove is embedded with seal ring; Smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body; Periphery coordinates with the inner chamber of pump oilcan can the inner chamber of canned pump oilcan, and can slide in the inner chamber of pump oilcan.

Described upper magnet and lower magnet are the electromagnetic coils that can generate an electromagnetic field, and are to pull the power of answering magnetic piston to move up and down.

Described magnetic field control controller controls the controller that upper magnet and lower magnet generate an electromagnetic field, and controls upper magnet and lower magnet and circulate the length of time of generating an electromagnetic field and the time that generates an electromagnetic field.

Described sealing cone is cone or cone cylinder, and the periphery of cone or cone cylinder is male cone (strobilus masculinus), and male cone (strobilus masculinus) coordinates with inner conical surface.

Described conveying connecting head is the fuel pipe of the integral type with connecting head and connecting tube.

Described oil-feed endoporus be fuel oil enter the inner chamber of pump oilcan through via hole, the upper end of oil-feed endoporus is inner, lower end is outer end.

Described pump fuel fired equipment, in the process of pump fuel oil, controls do not have return spring in valve in the valve of oil-feed and fuel-displaced; Time fuel-displaced, adopt the gravity of oil inlet valve decline return and close oil inlet passage and seal automatically, adopt pressure to open oil discharge passage outside fuel oil rear pump oilcan; During oil-feed, adopt the gravity of sealing cone decline return and close oil discharge passage and seal automatically, adopt suction to open fuel oil and enter passage in pump oilcan.

In order to ensure that buoyancy shell can keep shape and be not easy distortion, in the inner chamber of buoyancy shell, manufacture the skeleton having support.

In order to ensure that fuel oil can normally enter in oil-feed exit orifice, the center of gravity of buoyancy shell is manufactured on the position near oil-feed exit orifice.

In order to enable fuel oil enter in pump oilcan, the oil-feed exit orifice swimming in the buoyancy shell on fuel oil face must slip into the following oil pump in fuel oil face and can normally work.

There is no moisture and impurity to ensure to enter in the fuel oil in oil pump, when the bottom of oil-feed exit orifice close to fuel tank, adopting foot rest to support buoyancy shell and the bottom of oil-feed exit orifice and fuel tank is maintained a certain distance.

In order to answering magnetic piston to reduce resistance when moving up and down, be provided with vent in the upper end of pump oilcan, vent can make the inner chamber of pump oilcan communicate with the inner chamber of buoyancy shell.

In order to enable to answer the fuel oil below magnetic piston of answering in magnetic piston driving pump oilcan to enter tubular shaft type outlet valve, adopt upper magnet as pulling the power of answering magnetic piston stroking upward.

During use, be arranged in fuel tank by pump fuel fired equipment, oil-feed exit orifice and oil-feed endoporus go deep in fuel oil, the upper part emersion fuel oil face of buoyancy shell.The circuit that insulated electric conductor is connected with field controller is connected during the key of teacher of the opening position, the power-on circuit that magnetic field control controller connects upper magnet generates an electromagnetic field, the attraction force that electromagnetic field produces pulls answers magnetic piston to move up, now, the cavity below magnetic piston of answering in pump oilcan creates pull of vacuum, pull of vacuum is inhaled dynamic oil inlet valve and is opened and oil inlet valve and boss are separated, fuel oil from oil-feed exit orifice through oil-feed endoporus, enter the inner chamber of the pump oilcan of answering below magnetic piston again from the oil-through hole of oil inlet valve after the boss of oil-feed endoporus the inner enters the inner chamber of pump oilcan, during the top of answering magnetic piston stroking upward to move in pump oilcan, the power-on circuit of lower magnet is connected after magnetic field control controller disconnects the power-on circuit of upper magnet, the electromagnetic field of upper magnet disappears, now, oil inlet valve closes oil inlet passage under the effect of self gravitation, after lower magnet energising, the attraction force that generates an electromagnetic field pulls and answers magnetic descent of piston and fuel oil in driving pump oilcan and make fuel oil produce internal pressure, the inner conical surface having the fuel oil of pressure to enter fuel-displaced sealed end from the lower end of hollow valve body upwards wash open the sealing sealed with the inner conical surface of fuel-displaced sealed end bore be shifted after continue up, enter from the upper end of hollow valve body in conveying connecting head, after conveying connecting head, enter into fuel feeding delivery pipe be transported to high pressure oil pump or EFI oil conservator or Carburetor again.Answer magnetic piston descending when putting in place under the pulling of the attraction force of the electromagnetic field that lower magnet produces, sealing is bored descending inner conical surface is shut under the effect of the gravity of self and makes oil not return the inner chamber of pump oilcan, now, the power-on circuit that magnetic field control controller connects again upper magnet generates an electromagnetic field again, the connection of circulation like this and cut off the power-on circuit of lower magnet and upper magnet, constantly goes out oil pump and is transported in fuel feeding delivery pipe and is transported in high pressure oil pump or in EFI oil conservator or in Carburetor again.In the process of pump fuel oil, buoyancy shell can automatically raise with the rising in fuel oil face or reduction or reduce.In the process of operation of oil pump, answer magnetic piston when the inner chamber of pump oilcan moves up and down, air, from the inner chamber of vent turnover pump oilcan, reduces the working resistance of answering magnetic piston.

A manufacture method for pump fuel fired equipment, is characterized in that:

During fabrication, a type in buoyancy shell employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the material manufacture of several types, when buoyancy shell when adopting rubber material to manufacture or after manufacture shaping is soft-shell, it is made to float on pasta will first in use the inflation of the inner chamber of buoyancy shell; Hollow valve body and pump oilcan adopt the material manufacture of a type in metal, plastics, nylon and glass fibre reinforced plastics or several types; A type in oil inlet valve employing metal, plastics, nylon and glass fibre reinforced plastics or the material manufacture of several types; Magnetic piston is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy; A type in conveying connecting head employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the material manufacture of several types.

Buoyancy shell creates the hollow cavity producing buoyancy, the upper end of hollow cavity manufacture have stretch out hole and string holes, lower end manufactures oil-feed exit orifice, stretch out hole and create the hole allowing conveying connecting head pass, by nut fixing conveying connecting head, and by carrying connecting head and sealing gasket and nut seal to stretch out hole; String holes creates the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; Lower part in hollow cavity is provided with the parts installed in lower magnet, upper magnet pump oilcan and pump oilcan, and the upper part in hollow cavity is provided with conveying connecting head; Lower end in hollow shell coordinates with the lower end of pump oilcan and seals the inner chamber of the lower part of hollow shell, and the oil-feed exit orifice of hollow shell lower end communicates with the oil-feed endoporus of pump oilcan lower end.

Conveniently assemble, during fabrication, after buoyancy shell is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for buoyancy shell.

The inner chamber of pump oilcan creates cylindrical cavity, and the upper end on the center line of inner chamber manufactures has center hole to pass pump oilcan, lower end manufacture has oil-feed endoporus through pump oilcan, and manufacturing on the side of center hole has independently vent; Manufacture the boss having annular in the inner of oil-feed endoporus, the end face of boss creates sealed end, and sealed end coordinates with one side below oil inlet valve.

The conveniently processing of pump oilcan and assembling, pump oilcan during fabrication, pump oilcan from recombinant behind upper end or lower end segmentation manufacture together, or, pump oilcan to punish into from top and bottom three sections manufacture after recombinants together.

Oil inlet valve creates flat board, below dull and stereotyped, one side creates sealing surface, sealing surface coordinates the passage that can seal oil inlet passage and open into fuel oil with the boss of the inner of oil-feed endoporus, part beyond the part that oil inlet valve coordinates with boss and seals has manufacture oil-through hole, oil-through hole create oil through via hole.

Tubular shaft type outlet valve creates hollow valve body and sealing cone two-part, hollow valve body creates the hollow shaft of hollow pipe-type, the surface of the part that hollow valve body stretches in pump oilcan creates smooth cylndrical surface, and cylndrical surface coordinates with answering the center hole of magnetic piston; The lower end of hollow valve body manufactures fuel-displaced sealed end, the lower end surface of fuel-displaced sealed end is manufactured on the lower end of hollow valve body, upper-end surface creates inner conical surface, the large end of inner conical surface communicates with the upper end of tubular shaft type outlet valve, small end communicates with the lower end of tubular shaft type outlet valve, and inner conical surface is provided with sealing cone; Inner conical surface with seal the male cone (strobilus masculinus) of bore and coordinate, can inner conical surface be sealed under the effect of the gravity of sealing cone, sealing that inner conical surface and sealing bore can be opened when being with the fuel oil of pressure from the endoporus of hollow valve body lower end and form passage.

Answer magnetic piston to create columniform iron core, the position of the center line of columniform iron core manufactures smooth center hole, and the periphery of columniform iron core creates smooth periphery; In smooth center hole, manufacture the annular groove having depression, annular groove is embedded with seal ring; Smooth periphery manufactures the annular groove having depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body; Periphery coordinates with the inner chamber of pump oilcan can the inner chamber of canned pump oilcan, and can slide in the inner chamber of pump oilcan.

Upper magnet and lower magnet create the electromagnetic coil that can generate an electromagnetic field.

Magnetic field control controller creates the controller controlling upper magnet and lower magnet and generate an electromagnetic field, and controls upper magnet and lower magnet and circulate the length of time of generating an electromagnetic field and the time that generates an electromagnetic field.

Sealing cone creates cone or cone cylinder, and the periphery of cone or cone cylinder creates male cone (strobilus masculinus), and male cone (strobilus masculinus) coordinates with inner conical surface.

Conveying connecting head creates the fuel pipe of the integral type with connecting head and connecting tube.

Oil-feed endoporus create fuel oil enter the inner chamber of pump oilcan through via hole, the upper end of oil-feed endoporus creates the inner, lower end and creates outer end.

In order to answer magnetic piston to reduce resistance when moving up and down, manufacture in the upper end of pump oilcan and have vent, vent can make the inner chamber of pump oilcan communicate with the inner chamber of buoyancy shell.

Lower part in buoyancy shell is provided with pump oilcan, upper magnet, lower magnet, and below the outside of buoyancy shell, one side is fixed with foot rest, and the lower end of foot rest is lower than the position of the oil-feed exit orifice of buoyancy shell lower end; Lower magnet is fixed on the lower part outside pump oilcan, and upper magnet is fixed on the upper part outside pump oilcan, and the lower end of pump oilcan is fixed on the lower end in buoyancy shell.Connect upper magnet to be connected with magnetic field dispensing controller with the circuit of lower magnet, the circuit of magnetic field dispensing controller is connected with insulated electric conductor, and magnetic field dispensing controller is arranged in buoyancy shell.Tubular shaft type outlet valve, oil inlet valve are installed in pump oilcan, answer magnetic piston, tubular shaft type outlet valve is fixed on the center hole of the overlying one end of pump oilcan, the lower end of tubular shaft type outlet valve from the center hole of the upper end of pump oilcan through rear, enter in pump oilcan through the one side entered into after answering magnetic piston above close to oil inlet valve, the lower end of tubular shaft type outlet valve and the one side above of oil inlet valve have gap, and below oil inlet valve, one side coordinates with the boss of the inner of the oil-feed endoporus of the lower end of pump oilcan and can seal or open the oil inlet passage entered in pump oilcan; Answer magnetic piston to be arranged in the inner chamber of pump oilcan, and be enclosed within the cylndrical surface of hollow valve body; The part that the upper-end surface of pump oilcan is exposed in the upper end of tubular shaft type outlet valve is connected with the lower end of conveying connecting head, conveying connecting head is fixed on the upper end of buoyancy shell by stretching out hole, the upper end of conveying connecting head is connected with the fuel feeding delivery pipe of fuel tank by flexible pipe or telescopic pipe.

Compact structure, the powerful of pump fuel fired equipment of the present invention, swim on fuel oil face, can automatically raise with the rising in fuel oil face or reduction or reduce, and during pump fuel oil, the moisture of the bottom of fuel tank and impurity do not enter in oil pump; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of pump fuel fired equipment.

Shown in figure: buoyancy shell 1, foot rest 2, oil-feed exit orifice 3, pump oilcan 4, hollow valve body 5, answer magnetic piston 6, vent 7, sealing cone 8, oil inlet valve 9, oil-through hole 10, oil-feed endoporus 11, conveying connecting head 12, upper magnet 13, lower magnet 15.

Embodiment

Pump fuel fired equipment of the present invention mainly comprises buoyancy shell 1, oil-feed exit orifice 3, upper magnet, lower magnet, pump oilcan 4, oil-feed endoporus 11, oil inlet valve 9, sealing cone, answers magnetic piston, tubular shaft type outlet valve, conveying connecting head 12, magnetic field dispensing controller.

Lower part in buoyancy shell 1 is provided with pump oilcan 4, upper magnet and lower magnet, and below the outside of buoyancy shell 1, one side is fixed with foot rest 2, and the lower end of foot rest 2 is lower than the position of the oil-feed exit orifice 3 of buoyancy shell 1 lower end; Lower magnet 15 is fixed on the lower part outside pump oilcan 4, and upper magnet 13 is fixed on the upper part outside pump oilcan 4, and the lower end of pump oilcan 4 is fixed on the lower end in buoyancy shell 1.

Connect upper magnet to be connected with magnetic field dispensing controller with the circuit of lower magnet, the circuit of magnetic field dispensing controller is connected with insulated electric conductor, and magnetic field dispensing controller is arranged in buoyancy shell 1.

Tubular shaft type outlet valve is installed in pump oilcan 4, oil inlet valve 9, answer magnetic piston 6, tubular shaft type outlet valve is fixed on the center hole of the overlying one end of pump oilcan 4, after the lower end of tubular shaft type outlet valve is passed from the center hole of the upper end of pump oilcan 4, enter in pump oilcan 4 through the one side place entered into after answering magnetic piston 6 above close to oil inlet valve 9, the lower end of tubular shaft type outlet valve and the one side above of oil inlet valve 9 have gap, below oil inlet valve 9, one side coordinates with the boss of the inner of the oil-feed endoporus 11 of the lower end of pump oilcan 4 and can seal or open the oil inlet passage entered in pump oilcan 4, answer magnetic piston 6 to be arranged in the inner chamber of pump oilcan 4, and be enclosed within the cylndrical surface of hollow valve body 5, the part that the upper-end surface of pump oilcan 4 is exposed in the upper end of tubular shaft type outlet valve is connected with the lower end of conveying connecting head 12, conveying connecting head 12 is fixed on the upper end of buoyancy shell 1 by stretching out hole, the upper end of conveying connecting head 12 is connected with the fuel feeding delivery pipe of fuel tank by flexible pipe or telescopic pipe.

The material of described buoyancy shell 1 is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types, when buoyancy shell 1 during employing rubber material or after being shaped is soft-shell, can pasta be floated on will first in use the inflation of the inner chamber of buoyancy shell 1; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of hollow valve body 5 and pump oilcan 4 or the material of several types; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of oil inlet valve 9 or the material of several types; The material of magnetic piston 6 is answered to be can the material of hard to bear magnetic field suction; The material of conveying connecting head 12 is materials of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types.

Described buoyancy shell 1 is the hollow cavity producing buoyancy, the upper end of hollow cavity has stretches out hole and there is oil-feed exit orifice 3 string holes, lower end, lower part in hollow cavity is provided with the parts installed in lower magnet 15, upper magnet 13 pump oilcan 4 and pump oilcan 4, and the upper part in hollow cavity is provided with conveying connecting head 12; Lower end in hollow shell coordinates with the lower end of pump oilcan 4 and seals the inner chamber of the lower part of hollow shell, and the oil-feed exit orifice 3 of hollow shell lower end communicates with the oil-feed endoporus 11 of pump oilcan 4 lower end; Stretching out hole is the hole allowing conveying connecting head 12 pass, by nut fixing conveying connecting head 12, and by carrying connecting head 12 and sealing gasket and nut seal to stretch out hole; String holes is the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; When buoyancy shell 1 is put into fuel oil, the buoyancy that buoyancy shell 1 produces can support the parts of buoyancy shell 1 and inside thereof all wt and above floating on; When buoyancy shell 1 swims in fuel oil general work, can raise with the rising in fuel oil face, reduce with the reduction in fuel oil face.

The inner chamber of described pump oilcan 4 is cylindrical bodys, and the upper end on the center line of inner chamber has that center hole passes pump oilcan 4, there is oil-feed endoporus 11 lower end through pump oilcan 4, has independently vent 7 on the side of center hole; Have the boss of annular in the inner of oil-feed endoporus 11, the end face of boss is sealed end, and sealed end coordinates with one side below oil inlet valve 9.

Described oil inlet valve 9 is dull and stereotyped, below dull and stereotyped, one side is sealing surface, sealing surface coordinates the passage that can seal oil inlet passage and open into fuel oil with the boss of the inner of oil-feed endoporus 11, part beyond the part that oil inlet valve 9 coordinates with boss and seals has oil-through hole 10, oil-through hole 10 be oil through via hole.

Described tubular shaft type outlet valve comprises hollow valve body 5 and sealing cone 8, and hollow valve body 5 is hollow shafts of hollow pipe-type, and the surface of the part that hollow valve body 5 stretches in pump oilcan 4 is smooth cylndrical surface, and cylndrical surface coordinates with answering the center hole of magnetic piston 6; There is fuel-displaced sealed end the lower end of hollow valve body 5, the lower end surface of fuel-displaced sealed end in the lower end of hollow valve body 5, upper-end surface is inner conical surface, the large end of inner conical surface communicates with the upper end of tubular shaft type outlet valve, small end communicates with the lower end of tubular shaft type outlet valve, and inner conical surface is provided with sealing cone 8; The male cone (strobilus masculinus) that inner conical surface is bored with sealing coordinates, and can seal inner conical surface under the effect of the gravity of sealing cone 8, can open the sealing of inner conical surface and sealing cone 8 and form passage when being with the fuel oil of pressure from the endoporus of hollow valve body 5 lower end.

Described magnetic piston 6 of answering is columniform iron cores, and there is smooth center hole at the position of the center line of columniform iron core, and the periphery of columniform iron core is smooth periphery; In smooth center hole, have the annular groove of depression, annular groove is embedded with seal ring; Smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body 5 and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body 5; Periphery coordinates with the inner chamber of pump oilcan 4 can the inner chamber of canned pump oilcan 4, and can slide in the inner chamber of pump oilcan 4.

Described conveying connecting head 12 is fuel pipes of the integral type with connecting head and connecting tube.

Described oil-feed endoporus 11 be fuel oil enter the inner chamber of pump oilcan 4 through via hole, the upper end of oil-feed endoporus 11 is inner, lower ends is outer ends.

Described pump fuel fired equipment, in the process of pump fuel oil, controls do not have return spring in valve in the valve of oil-feed and fuel-displaced.Time fuel-displaced, adopt the gravity of oil inlet valve 9 decline return and close oil inlet passage and seal automatically, adopt pressure to open oil discharge passage outside fuel oil rear pump oilcan; During oil-feed, adopt the gravity of sealing cone 8 decline return and close oil discharge passage and seal automatically, adopt suction to open fuel oil and enter passage in pump oilcan.

In order to ensure that buoyancy shell 1 can keep shape and be not easy distortion, in the inner chamber of buoyancy shell 1, manufacture the skeleton having support.

In order to ensure that fuel oil can normally enter in oil-feed exit orifice 3, the center of gravity of buoyancy shell 1 is manufactured on the position near oil-feed exit orifice 3.

In order to enable fuel oil enter in pump oilcan 4, the oil-feed exit orifice 3 swimming in the buoyancy shell 1 on fuel oil face must slip into the following oil pump in fuel oil face and can normally work.

There is no moisture and impurity to ensure to enter in the fuel oil in oil pump, when the bottom of oil-feed exit orifice 3 close to fuel tank, adopting foot rest 2 to support buoyancy shell 1 and oil-feed exit orifice 3 is maintained a certain distance with the bottom of fuel tank.

In order to answering magnetic piston 6 to reduce resistance when moving up and down, be provided with vent 7 in the upper end of pump oilcan 4, vent 7 can make the inner chamber of pump oilcan 4 communicate with the inner chamber of buoyancy shell 1.

In order to make to answer magnetic piston 6 can enter tubular shaft type outlet valve by the fuel oil below magnetic piston 6 of answering in driving pump oilcan 4, adopt upper magnet 13 as pulling the power of answering magnetic piston 6 up.

During use, be arranged in fuel tank by pump fuel fired equipment, oil-feed exit orifice 3 and oil-feed endoporus 11 go deep in fuel oil, the upper part emersion fuel oil face of buoyancy shell 1.The circuit that insulated electric conductor is connected with field controller is connected during the key of teacher of the opening position, the power-on circuit that magnetic field control controller connects upper magnet 13 generates an electromagnetic field, the attraction force that electromagnetic field produces pulls answers magnetic piston 6 to move up, now, the cavity below magnetic piston 6 of answering in pump oilcan 4 creates pull of vacuum, pull of vacuum is inhaled dynamic oil inlet valve 9 and is opened and oil inlet valve 9 and boss are separated, fuel oil from oil-feed exit orifice 3 through oil-feed endoporus 11, enter the inner chamber of the pump oilcan 4 of answering below magnetic piston 6 again from the oil-through hole 10 of oil inlet valve 9 after the boss of oil-feed endoporus 11 the inner enters the inner chamber of pump oilcan 4, answer magnetic piston 6 up move in pump oilcan 4 top time, the power-on circuit of lower magnet 15 is connected after magnetic field control controller disconnects the power-on circuit of upper magnet 13, the electromagnetic field of upper magnet 13 disappears, now, oil inlet valve 9 closes oil inlet passage under the effect of self gravitation, after lower magnet 15 is energized, the attraction force that generates an electromagnetic field pulls and answers magnetic piston 6 descending and fuel oil in driving pump oilcan 4 and make fuel oil produce internal pressure, the inner conical surface having the fuel oil of pressure to enter fuel-displaced sealed end from the lower end of hollow valve body 5 upwards wash open the sealing sealed with the inner conical surface of fuel-displaced sealed end bore 8 be shifted after continue up, enter from the upper end of hollow valve body 5 in conveying connecting head 12, after conveying connecting head 12, enter into fuel feeding delivery pipe be transported to high pressure oil pump or EFI oil conservator or Carburetor again.Answer magnetic piston 6 descending when putting in place under the pulling of the attraction force of the electromagnetic field that lower magnet 15 produces, sealing cone 8 descending inner conical surface is shut and make oil not return the inner chamber of pump oilcan 4 under the effect of the gravity of self, now, the power-on circuit that magnetic field control controller connects again upper magnet 13 generates an electromagnetic field again, the connection of circulation like this and cut off the power-on circuit of lower magnet 15 and upper magnet 13, constantly goes out oil pump and is transported in fuel feeding delivery pipe and is transported in high pressure oil pump or in EFI oil conservator or in Carburetor again.In the process of pump fuel oil, buoyancy shell 1 can automatically raise with the rising in fuel oil face or reduction or reduce.In the process of operation of oil pump, answer magnetic piston 6 when the inner chamber of pump oilcan 4 moves up and down, air passes in and out the inner chamber of pump oilcan 4 from vent 7, reduces the working resistance of answering magnetic piston 6.

Claims

1. a pump fuel fired equipment, is characterized in that: described pump fuel fired equipment comprises buoyancy shell (1), oil-feed exit orifice (3), upper magnet, lower magnet, pump oilcan (4), oil-feed endoporus (11), oil inlet valve (9), sealing cone, answers magnetic piston, tubular shaft type outlet valve, conveying connecting head (12), magnetic field dispensing controller;

Lower part in buoyancy shell (1) is provided with pump oilcan (4), upper magnet and lower magnet, below the outside of buoyancy shell (1), one side is fixed with foot rest (2), and the lower end of foot rest (2) is lower than the position of the oil-feed exit orifice (3) of buoyancy shell (1) lower end; Lower magnet (15) is fixed on the lower part of pump oilcan (4) outside, upper magnet (13) is fixed on the upper part of pump oilcan (4) outside, and the lower end of pump oilcan (4) is fixed on the lower end in buoyancy shell (1);

Connect upper magnet to be connected with magnetic field dispensing controller with the circuit of lower magnet, the circuit of magnetic field dispensing controller is connected with insulated electric conductor, and magnetic field dispensing controller is arranged in buoyancy shell (1);

In pump oilcan (4), tubular shaft type outlet valve is installed, oil inlet valve (9), answer magnetic piston (6), tubular shaft type outlet valve is fixed on the center hole of the overlying one end of pump oilcan (4), after the lower end of tubular shaft type outlet valve is passed from the center hole of the upper end of pump oilcan (4), enter in pump oilcan (4) through the one side place entered into after answering magnetic piston (6) above close to oil inlet valve (9), the one side above of the lower end of tubular shaft type outlet valve and oil inlet valve (9) has gap, below oil inlet valve (9), one side coordinates with the boss of the inner of the oil-feed endoporus (11) of the lower end of pump oilcan (4) and can seal or open the oil inlet passage entered in pump oilcan (4), answer magnetic piston (6) to be arranged in the inner chamber of pump oilcan (4), and be enclosed within the cylndrical surface of hollow valve body (5), the part that the upper-end surface of pump oilcan (4) is exposed in the upper end of tubular shaft type outlet valve is connected with the lower end of conveying connecting head (12), conveying connecting head (12) is fixed on the upper end of buoyancy shell (1) by stretching out hole, the upper end of conveying connecting head (12) is connected with the fuel feeding delivery pipe of fuel tank by flexible pipe or telescopic pipe,

The material of described buoyancy shell (1) is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types, when buoyancy shell (1) during employing rubber material or after being shaped is soft-shell, can pasta be floated on will first in use the inflation of the inner chamber of buoyancy shell (1); A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of hollow valve body (5) and pump oilcan (4) or the material of several types; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of oil inlet valve (9) or the material of several types; The material of magnetic piston (6) is answered to be can the material of hard to bear magnetic field suction; The material of conveying connecting head (12) is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types;

Described buoyancy shell (1) is the hollow cavity producing buoyancy, the upper end of hollow cavity has stretches out hole and there is oil-feed exit orifice (3) string holes, lower end, lower part in hollow cavity is provided with the parts installed in lower magnet (15), upper magnet (13) pump oilcan (4) and pump oilcan (4), and the upper part in hollow cavity is provided with conveying connecting head (12); Lower end in hollow shell coordinates with the lower end of pump oilcan (4) and seals the inner chamber of the lower part of hollow shell, and the oil-feed exit orifice (3) of hollow shell lower end communicates with the oil-feed endoporus (11) of pump oilcan (4) lower end; Stretching out hole is the hole allowing conveying connecting head (12) pass, by nut fixing conveying connecting head (12), and by carrying connecting head (12) and sealing gasket and nut seal to stretch out hole; String holes is the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; When buoyancy shell (1) is put into fuel oil, the buoyancy that buoyancy shell (1) produces can support the parts of buoyancy shell (1) and inside thereof all wt and above floating on; When buoyancy shell (1) swims in fuel oil general work, can raise with the rising in fuel oil face, reduce with the reduction in fuel oil face;

The inner chamber of described pump oilcan (4) is cylindrical body, upper end on the center line of inner chamber has that center hole passes pump oilcan (4), there is oil-feed endoporus (11) lower end through pump oilcan (4), has independently vent (7) on the side of center hole; Have the boss of annular in the inner of oil-feed endoporus (11), the end face of boss is sealed end, and sealed end coordinates with one side below oil inlet valve (9);

The conveniently processing of pump oilcan and assembling, pump oilcan from recombinant behind upper end or lower end segmentation processing together, or after pump oilcan is punished into three sections of processing from top and bottom, recombinants are together;

Described oil inlet valve (9) is dull and stereotyped, below dull and stereotyped, one side is sealing surface, sealing surface coordinates the passage that can seal oil inlet passage and open into fuel oil with the boss of the inner of oil-feed endoporus (11), part beyond the part that oil inlet valve (9) coordinates with boss and seals has oil-through hole (10), oil-through hole (10) be oil through via hole;

Described tubular shaft type outlet valve comprises hollow valve body (5) and sealing cone (8), hollow valve body (5) is the hollow shaft of hollow pipe-type, the surface of the part that hollow valve body (5) stretches in pump oilcan (4) is smooth cylndrical surface, and cylndrical surface coordinates with answering the center hole of magnetic piston (6); There is fuel-displaced sealed end the lower end of hollow valve body (5), the lower end surface of fuel-displaced sealed end in the lower end of hollow valve body (5), upper-end surface is inner conical surface, the large end of inner conical surface communicates with the upper end of tubular shaft type outlet valve, small end communicates with the lower end of tubular shaft type outlet valve, and inner conical surface is provided with sealing cone (8); The male cone (strobilus masculinus) that inner conical surface is bored with sealing coordinates, can inner conical surface be sealed under the effect of the gravity of sealing cone (8), inner conical surface can be opened when being with the fuel oil of pressure from the endoporus of hollow valve body (5) lower end and bore the sealing of (8) with sealing and form passage;

Described magnetic piston (6) of answering is columniform iron core, and there is smooth center hole at the position of the center line of columniform iron core, and the periphery of columniform iron core is smooth periphery; In smooth center hole, have the annular groove of depression, annular groove is embedded with seal ring; Smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body (5) and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body (5); Periphery coordinates with the inner chamber of pump oilcan (4) can the inner chamber of canned pump oilcan (4), and can slide in the inner chamber of pump oilcan (4);

Described upper magnet and lower magnet are the electromagnetic coils that can generate an electromagnetic field, and are to pull the power of answering magnetic piston to move up and down;

Described magnetic field control controller controls the controller that upper magnet and lower magnet generate an electromagnetic field, and controls upper magnet and lower magnet and circulate the length of time of generating an electromagnetic field and the time that generates an electromagnetic field;

Described sealing cone is cone or cone cylinder, and the periphery of cone or cone cylinder is male cone (strobilus masculinus), and male cone (strobilus masculinus) coordinates with inner conical surface;

Described conveying connecting head (12) is the fuel pipe of the integral type with connecting head and connecting tube;

Described oil-feed endoporus (11) be fuel oil enter the inner chamber of pump oilcan (4) through via hole, the upper end of oil-feed endoporus (11) is inner, lower end is outer end;

Described pump fuel fired equipment, in the process of pump fuel oil, controls do not have return spring in valve in the valve of oil-feed and fuel-displaced; Time fuel-displaced, adopt the gravity of oil inlet valve (9) decline return and close oil inlet passage and seal automatically, adopt pressure to open oil discharge passage outside fuel oil rear pump oilcan; During oil-feed, adopt the gravity of sealing cone (8) decline return and close oil discharge passage and seal automatically, adopt suction to open fuel oil and enter passage in pump oilcan;

During use, be arranged in fuel tank by pump fuel fired equipment, oil-feed exit orifice (3) and oil-feed endoporus (11) go deep in fuel oil, the upper part emersion fuel oil face of buoyancy shell (1), the circuit that insulated electric conductor is connected with field controller is connected during the key of teacher of the opening position, the power-on circuit that magnetic field control controller connects upper magnet (13) generates an electromagnetic field, the attraction force that electromagnetic field produces pulls answers magnetic piston (6) to move up, now, the cavity below magnetic piston (6) of answering in pump oilcan (4) creates pull of vacuum, pull of vacuum is inhaled dynamic oil inlet valve (9) and is opened and oil inlet valve (9) is separated with boss, fuel oil from oil-feed exit orifice (3) through oil-feed endoporus (11), enter the inner chamber of the pump oilcan (4) of answering below magnetic piston (6) again from the oil-through hole (10) of oil inlet valve (9) after the boss that oil-feed endoporus (11) is inner enters the inner chamber of pump oilcan (4), answer magnetic piston (6) up move in pump oilcan (4) top time, the power-on circuit of lower magnet (15) is connected after magnetic field control controller disconnects the power-on circuit of upper magnet (13), the electromagnetic field of upper magnet (13) disappears, now, oil inlet valve (9) closes oil inlet passage under the effect of self gravitation, after lower magnet (15) energising, the attraction force that generates an electromagnetic field pulls and answers magnetic piston (6) descending and fuel oil in driving pump oilcan (4) and make fuel oil produce internal pressure, the inner conical surface having the fuel oil of pressure to enter fuel-displaced sealed end from the lower end of hollow valve body (5) upwards wash open the sealing sealed with the inner conical surface of fuel-displaced sealed end bore (8) be shifted after continue up, enter from the upper end of hollow valve body (5) in conveying connecting head (12), after conveying connecting head (12), enter into fuel feeding delivery pipe be transported to high pressure oil pump or EFI oil conservator or Carburetor again, answer magnetic piston (6) descending when putting in place under the pulling of the attraction force of the electromagnetic field that lower magnet (15) produces, sealing cone (8) descending inner conical surface is shut and make oil not return the inner chamber of pump oilcan (4) under the effect of the gravity of self, now, the power-on circuit that magnetic field control controller connects again upper magnet (13) generates an electromagnetic field again, the connection of circulation like this and the power-on circuit of cut-out lower magnet (15) and upper magnet (13), constantly oil pump is gone out and is transported in fuel feeding delivery pipe to be transported to again in high pressure oil pump or in EFI oil conservator or in Carburetor, in the process of pump fuel oil, buoyancy shell (1) can automatically raise with the rising in fuel oil face or reduction or reduce, in the process of operation of oil pump, answer magnetic piston (6) when the inner chamber of pump oilcan (4) moves up and down, air, from the inner chamber of vent (7) turnover pump oilcan (4), reduces the working resistance of answering magnetic piston (6).

2. pump fuel fired equipment according to claim 1, is characterized in that: in order to ensure that buoyancy shell (1) can keep shape and be not easy distortion, manufacture the skeleton having support in the inner chamber of buoyancy shell (1);

In order to ensure that fuel oil can normally enter in oil-feed exit orifice (3), the center of gravity of buoyancy shell (1) is manufactured on the position near oil-feed exit orifice (3);

In order to enable fuel oil enter in pump oilcan (4), the oil-feed exit orifice (3) swimming in the buoyancy shell (1) on fuel oil face must slip into the following oil pump in fuel oil face and can normally work.

3. pump fuel fired equipment according to claim 1, it is characterized in that: there is no moisture and impurity to ensure to enter in the fuel oil in oil pump, when the bottom of oil-feed exit orifice (3) close to fuel tank, adopt foot rest (2) to support buoyancy shell (1) and oil-feed exit orifice (3) is maintained a certain distance with the bottom of fuel tank;

In order to answer magnetic piston (6) to reduce resistance when moving up and down, be provided with vent (7) in the upper end of pump oilcan (4), vent (7) can make the inner chamber of pump oilcan (4) communicate with the inner chamber of buoyancy shell (1).

4. pump fuel fired equipment according to claim 1, it is characterized in that: in order to make to answer magnetic piston (6) tubular shaft type outlet valve can be entered by the fuel oil below magnetic piston (6) of answering in driving pump oilcan (4), adopt upper magnet (13) as pulling the power of answering magnetic piston (6) up.

5. pump fuel fired equipment according to claim 1, it is characterized in that: compact structure, the powerful of described pump fuel fired equipment, swim on fuel oil face, can automatically raise with the rising in fuel oil face or reduction or reduce, during pump fuel oil, the moisture of the bottom of fuel tank and impurity enter in oil pump; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

6. a manufacture method for pump fuel fired equipment, is characterized in that:

During fabrication, a type in buoyancy shell (1) employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the material manufacture of several types, when buoyancy shell (1) when adopting rubber material to manufacture or after manufacture shaping is soft-shell, it is made to float on pasta will first in use the inflation of the inner chamber of buoyancy shell (1); Hollow valve body (5) and pump oilcan (4) adopt the material manufacture of a type in metal, plastics, nylon and glass fibre reinforced plastics or several types; A type in oil inlet valve (9) employing metal, plastics, nylon and glass fibre reinforced plastics or the material manufacture of several types; Magnetic piston (6) is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy; A type in conveying connecting head (12) employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the material manufacture of several types;

Buoyancy shell (1) creates the hollow cavity producing buoyancy, the upper end of hollow cavity manufacture have stretch out hole and string holes, lower end manufactures oil-feed exit orifice (3), stretch out hole and create the hole allowing conveying connecting head (12) pass, by nut fixing conveying connecting head (12), and by carrying connecting head (12) and sealing gasket and nut seal to stretch out hole; String holes creates the hole allowing insulated electric conductor pass, and by insulated electric conductor and sealed rubber ring sealing string holes; Lower part in hollow cavity is provided with the parts installed in lower magnet (15), upper magnet (13) pump oilcan (4) and pump oilcan (4), and the upper part in hollow cavity is provided with conveying connecting head (12); Lower end in hollow shell coordinates with the lower end of pump oilcan (4) and seals the inner chamber of the lower part of hollow shell, and the oil-feed exit orifice (3) of hollow shell lower end communicates with the oil-feed endoporus (11) of pump oilcan (4) lower end;

Conveniently assemble, during fabrication, after buoyancy shell (1) is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for buoyancy shell (1);

The inner chamber of pump oilcan (4) creates cylindrical cavity, upper end on the center line of inner chamber manufactures has center hole to pass pump oilcan (4), lower end manufacture has oil-feed endoporus (11) through pump oilcan (4), and manufacturing on the side of center hole has independently vent (7); Manufacture the boss having annular in the inner of oil-feed endoporus (11), the end face of boss creates sealed end, and sealed end coordinates with one side below oil inlet valve (9);

The conveniently processing of pump oilcan and assembling, pump oilcan during fabrication, pump oilcan from recombinant behind upper end or lower end segmentation manufacture together, or, pump oilcan to punish into from top and bottom three sections manufacture after recombinants together;

Oil inlet valve (9) creates flat board, below dull and stereotyped, one side creates sealing surface, sealing surface coordinates the passage that can seal oil inlet passage and open into fuel oil with the boss of the inner of oil-feed endoporus (11), part beyond the part that oil inlet valve (9) coordinates with boss and seals has manufacture oil-through hole (10), oil-through hole (10) create oil through via hole;

Tubular shaft type outlet valve creates hollow valve body (5) and sealing cone (8) two-part, hollow valve body (5) creates the hollow shaft of hollow pipe-type, the surface of the part that hollow valve body (5) stretches in pump oilcan (4) creates smooth cylndrical surface, and cylndrical surface coordinates with answering the center hole of magnetic piston (6); The lower end of hollow valve body (5) manufactures fuel-displaced sealed end, the lower end surface of fuel-displaced sealed end is manufactured on the lower end of hollow valve body (5), upper-end surface creates inner conical surface, the large end of inner conical surface communicates with the upper end of tubular shaft type outlet valve, small end communicates with the lower end of tubular shaft type outlet valve, and inner conical surface is provided with sealing cone (8); The male cone (strobilus masculinus) that inner conical surface is bored with sealing coordinates, can inner conical surface be sealed under the effect of the gravity of sealing cone (8), inner conical surface can be opened when being with the fuel oil of pressure from the endoporus of hollow valve body (5) lower end and bore the sealing of (8) with sealing and form passage;

Answer magnetic piston (6) to create columniform iron core, the position of the center line of columniform iron core manufactures smooth center hole, and the periphery of columniform iron core creates smooth periphery; In smooth center hole, manufacture the annular groove having depression, annular groove is embedded with seal ring; Smooth periphery manufactures the annular groove having depression, and annular groove is embedded with seal ring; Center hole coordinates with the cylndrical surface of hollow valve body (5) and can O-ring cylinder, and can slide on the cylndrical surface of hollow valve body (5); Periphery coordinates with the inner chamber of pump oilcan (4) can the inner chamber of canned pump oilcan (4), and can slide in the inner chamber of pump oilcan (4);

Upper magnet and lower magnet create the electromagnetic coil that can generate an electromagnetic field;

Magnetic field control controller creates the controller controlling upper magnet and lower magnet and generate an electromagnetic field, and controls upper magnet and lower magnet and circulate the length of time of generating an electromagnetic field and the time that generates an electromagnetic field;

Sealing cone creates cone or cone cylinder, and the periphery of cone or cone cylinder creates male cone (strobilus masculinus), and male cone (strobilus masculinus) coordinates with inner conical surface;

Conveying connecting head creates the fuel pipe of the integral type with connecting head and connecting tube;

Oil-feed endoporus (11) create fuel oil enter the inner chamber of pump oilcan (4) through via hole, the upper end of oil-feed endoporus (11) creates the inner, lower end and creates outer end;

In order to ensure that buoyancy shell (1) can keep shape and be not easy distortion, in the inner chamber of buoyancy shell (1), manufacture the skeleton having support;

In order to enable fuel oil enter in pump oilcan (4), the oil-feed exit orifice (3) swimming in the buoyancy shell (1) on fuel oil face must slip into the following oil pump in fuel oil face and can normally work;

Moisture and impurity is not had in order to ensure to enter in the fuel oil in oil pump, when the bottom of oil-feed exit orifice (3) close to fuel tank, adopt foot rest (2) to support buoyancy shell (1) and oil-feed exit orifice (3) is maintained a certain distance with the bottom of fuel tank;

In order to answer magnetic piston (6) to reduce resistance when moving up and down, manufacture in the upper end of pump oilcan (4) and have vent (7), vent (7) can make the inner chamber of pump oilcan (4) communicate with the inner chamber of buoyancy shell (1);

In order to make to answer magnetic piston (6) tubular shaft type outlet valve can be entered by the fuel oil below magnetic piston (6) of answering in driving pump oilcan (4), adopt upper magnet (13) as pulling the power of answering magnetic piston (6) up;

Lower part in buoyancy shell (1) is provided with pump oilcan (4), upper magnet and lower magnet, below the outside of buoyancy shell (1), one side is fixed with foot rest (2), and the lower end of foot rest (2) is lower than the position of the oil-feed exit orifice (3) of buoyancy shell (1) lower end, lower magnet (15) is fixed on the lower part of pump oilcan (4) outside, upper magnet (13) is fixed on the upper part of pump oilcan (4) outside, and the lower end of pump oilcan (4) is fixed on the lower end in buoyancy shell (1), connect upper magnet to be connected with magnetic field dispensing controller with the circuit of lower magnet, the circuit of magnetic field dispensing controller is connected with insulated electric conductor, and magnetic field dispensing controller is arranged in buoyancy shell (1), in pump oilcan (4), tubular shaft type outlet valve is installed, oil inlet valve (9), answer magnetic piston (6), tubular shaft type outlet valve is fixed on the center hole of the overlying one end of pump oilcan (4), after the lower end of tubular shaft type outlet valve is passed from the center hole of the upper end of pump oilcan (4), enter in pump oilcan (4) through the one side place entered into after answering magnetic piston (6) above close to oil inlet valve (9), the one side above of the lower end of tubular shaft type outlet valve and oil inlet valve (9) has gap, below oil inlet valve (9), one side coordinates with the boss of the inner of the oil-feed endoporus (11) of the lower end of pump oilcan (4) and can seal or open the oil inlet passage entered in pump oilcan (4), answer magnetic piston (6) to be arranged in the inner chamber of pump oilcan (4), and be enclosed within the cylndrical surface of hollow valve body (5), the part that the upper-end surface of pump oilcan (4) is exposed in the upper end of tubular shaft type outlet valve is connected with the lower end of conveying connecting head (12), conveying connecting head (12) is fixed on the upper end of buoyancy shell (1) by stretching out hole, the upper end of conveying connecting head (12) is connected with the fuel feeding delivery pipe of fuel tank by flexible pipe or telescopic pipe.