CN105649950A

CN105649950A - Vacuumizing energy-efficient electromagnetic pump

Info

Publication number: CN105649950A
Application number: CN201610082831.7A
Authority: CN
Inventors: 刘孟孟
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-02-06
Filing date: 2016-02-06
Publication date: 2016-06-08

Abstract

The invention provides a vacuumizing energy-efficient electromagnetic pump and belongs to the field of automobile hydraulic braking vacuum boosting. An upper magnet and a lower magnet of the vacuumizing energy-efficient electromagnetic pump are arranged at the upper portion and the lower portion outside a negative pressure casing correspondingly. A protecting casing is fixed to the negative pressure casing. An exhausting pipe is fixed at the lower end of the negative pressure casing. An air outlet valve is fixed in a central hole of the negative pressure casing. A magnetism induced piston is arranged inside the negative pressure casing. An air exhausting channel of an air exhausting cavity and an air exhausting channel of an air extruding cavity are sealed by seal caps. A fixing plug is fixed in a plug hole inside the magnetism induced piston. A seal ball or a seal cone is installed inside an inner cone hole. An accommodating hole is formed in the lower end of the magnetism induced piston. The vacuumizing energy-efficient electromagnetic pump is compact in structure, low in vibration, high in utilization rate of electrical energy, strong in power, and suitable for being mounted on electric automobiles and internal combustion engine vehicles with vacuum boosting hydraulic braking for use. By means of the vacuum-pumping energy-efficient electromagnetic pump, a vacuum can be created and the vacuum boosting can be realized normally after an internal combustion engine shuts down. The vacuum-pumping energy-efficient electromagnetic pump has good market prospects in industrialization, and is high in commercial value, and convenient to manufacture and use.

Description

Vacuumize high-efficiency, energy-conserving and electromagnetical pump

Technical field

The present invention relates to a kind of for give automobile braking master cylinder vacuum booster produce vacuum power vacuumize high-efficiency, energy-conserving and electromagnetical pump.

Background technology

The vacuum pump used on traditional automobile adopts bias to lay eggs formula, and laing eggs produces suction when rotated and carry out bleeding and produce vacuum.

Summary of the invention

The object that the present invention relates to is the manufacture vacuumizing high-efficiency, energy-conserving and electromagnetical pump and the method thereof that produce vacuum in order to provide a kind of electromagnetism pulled straight piston motion to bleed.

For achieving the above object, the high-efficiency, energy-conserving and electromagnetical pump that vacuumizes of the present invention mainly comprises protecting crust, upper magnet, lower magnet, negative pressure shell, aspirating hole, ball sealer or sealing cone, seal cap, answers magnetic piston, fixed plug, internal taper hole, ventilating pit, air outlet valve, extraction pipe, Magnetic control device, electronic remote controller;

Or, the described high-efficiency, energy-conserving and electromagnetical pump that vacuumizes mainly comprises protecting crust, upper magnet, lower magnet, negative pressure shell, aspirating hole, ball sealer or sealing cone, seal cap, answers magnetic piston, fixed plug, internal taper hole, ventilating pit, air outlet valve, extraction pipe, Magnetic control device.

Being provided with upper magnet and lower magnet in protecting crust, upper magnet is fixed on the upper section outside negative pressure shell, and lower magnet is fixed on part below outside negative pressure shell, and protecting crust is fixed on the outside protection upper magnet of negative pressure shell and the coil of lower magnet; Below the outside of protecting crust, one side is fixed with pin frame, and the lower end of pin frame protects extraction pipe not oppressed lower than the lower end of negative pressure shell, and the lower end of pin frame is fixed on the vehicle frame of automobile.

Connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, the circuit of Magnetic control device is connected with electronic remote controller, electronic remote controller is connected with insulated line, and the electronic signal receptor of Magnetic control device, electronic remote controller and electronic remote controller is arranged in protecting crust; Or, connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust.

Being provided with seal cap in negative pressure shell, answer magnetic piston, fixed plug, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; The sealing neck answering part below the consent in magnetic piston is provided with seal cap, the capped pipe part of seal cap can slide up and down on the periphery of sealing neck, being provided with fixed plug in consent to limit sliding distance when seal cap upwards slides, the fixing employing shrink-fit of fixed plug in consent is fixed or the two ends of the jump-ring slot internal fixtion fixed plug that jump ring is stuck in consent are fixed or adopted to thread fit; The passage bled answered on magnetic piston can be closed when the inner sealing surface that the inner top of seal cap divides coordinates with annular sealing surface and seals, the passage bled answered on magnetic piston when the inner sealing surface that the inner top of seal cap divides separates with annular sealing surface, can be opened; On the periphery of the sealing neck of the lower end in negative pressure shell, cover has seal cap, the periphery of the sealing neck of the lower end of seal cap in negative pressure shell can slide up and down, when seal cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, seal cap has gap in hole with holding; Inner sealing surface in seal cap coordinates, with the annular sealing surface of sealing neck end, the passage bled that can seal or open and enter in negative pressure shell; When answering magnetic upstroke, the lumen portion answering the negative pressure shell of part below magnetic piston is pumping chamber; When answering magnetic descent of piston, the lumen portion answering the negative pressure shell of magnetic piston upper part is crowded air cavity. Being fixed with extraction pipe at the aspirating hole place of the lower end of negative pressure shell, the other end of extraction pipe is connected with vacuum tank, and the interior hole of extraction pipe communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve.

The material of described protecting crust is the material of the type in metal, plastics, nylon, glass reinforced plastic or several types; The material of hollow valve body and negative pressure shell adopts the material of the type in metal, plastics, nylon and glass reinforced plastic or several types; The material of ball sealer or sealing cone adopts the material of the type in metal, plastics, nylon and rubber or several types; The material of seal cap adopts the material of the type in metal, plastics, nylon and glass reinforced plastic or several types; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction; The material of fixed plug is the material of the type in metal, plastics, nylon, glass reinforced plastic, rubber or several types.

Described protecting crust is the hollow cavity of annular, hollow cavity there is string holes, the parts installed are installed in hollow cavity in Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell, or, the parts installed are installed in hollow cavity in electronic remote controller, Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell; String holes is the hole allowing insulated line pass; The inner of the annular housing of hollow cavity is fixed on negative pressure shell.

For the ease of the processing of protecting crust be convenient to accessory to load in protecting crust, described protecting crust is the molectron after segmentation, and after the annular position of protecting crust is divided into two parts, recombinant is together.

The inner chamber of described negative pressure shell is circular cylindrical cavity, and the cylindrical surface of cylindrical cavity is smooth curved surface; Upper end on the medullary ray of inner chamber has that centre hole passes negative pressure shell, lower end has aspirating hole to pass negative pressure shell; There is sealing neck protruding upward at the middle part of the lower end in negative pressure shell, the upper end of sealing neck is annular sealing surface, the inside of sealing neck is aspirating hole, inner sealing surface at seal cap is not communicated with pumping chamber by air passing hole with aspirating hole during ring seal face seal, and the inner sealing surface of seal cap coordinates with the annular sealing surface of sealing neck.

Described air outlet valve comprises hollow valve body and ball sealer or sealing and bores, and hollow valve body is open tube, and internal taper hole is in the middle part of the inner chamber of open tube or middle bottom, and the internal diameter of the upper section of the internal taper hole in open tube is greatly, the internal diameter of part is little below; The lower end of hollow valve body has back airtight end-blocking, the lower surface returning airtight end-blocking is internal taper hole in lower end, the upper surface of hollow valve body, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with ball sealer or sealing cone on the inner conical surface of internal taper hole. Described internal taper hole is the circular hole having tapering, and the face of circular hole is inner conical surface; The little end of internal taper hole under, hold upper greatly, the sphere of inner conical surface and ball sealer or the outer cone match of sealing cone, inner conical surface can be sealed under the effect of ball sealer or the gravity of sealing cone self, inner conical surface can be opened when ball sealer or sealing cone have above suction by suction and bore, with ball sealer or sealing, the passage sealed; Ball sealer or sealing cone air pressure above is more big, and ball sealer or sealing cone are more good with the gluing, sealing effect of inner conical surface; The sealing of inner conical surface and ball sealer or sealing cone can be opened when the interior hole of end under hollow valve body enters the air of pressure and form passage.

For the ease of the processing of negative pressure shell be convenient to accessory to load in negative pressure shell, described negative pressure shell is the molectron after segmentation; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the upper section of segmentation place is pump cover, below part is the main body of negative pressure shell, centre hole on pump cover, the middle part that aspirating hole is held under the main body of negative pressure shell, the body combination of pump cover and negative pressure shell becomes a composite entity; Or, the lower end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the main body of part to be pump cover, upper section be negative pressure shell below segmentation place, aspirating hole is at the middle part of pump cover, centre hole is at the middle part of the upper end of the main body of negative pressure shell, and the body combination of pump cover and negative pressure shell becomes a composite entity.

Described answering magnetic piston to be cylindrical iron core, the periphery of cylindrical iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with wear ring; Described periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell. The cylindrical central portion position of described cylindrical iron core has to be run through hole and holds hole, hold hole and run through the lower surface of iron core, run through hole and run through above iron core, hold hole running through below hole, hold hole and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole. Upper surface, below part that the described upper section running through hole runs through iron core run through the top in the accommodation hole of part below iron core, running through part below hole is ventilating pit, the upper section running through hole is consent, the sealing neck of annular protruding upward is had in the bottom of consent, the interior hole of sealing neck portion is the upper section of ventilating pit, the groove having annular between the periphery and the consent of sealing neck portion of sealing neck, the groove of annular is for holding the capped pipe part of seal cap; The upper surface of described sealing neck is smooth annular sealing surface, and the periphery of sealing neck is smooth periphery; Lower end at cylindrical iron core has the accommodation hole upwards caved in, the circular hole that described accommodation hole communicates with ventilating pit, upwards caves in, when answering the lower end in magnetic piston arrives negative pressure shell, hold hole and for holding seal cap and seal cap is not collided with answering magnetic piston. It is ventilating pit on accommodation hole, it is consent above ventilating pit; Described ventilating pit is the hole excessively allowing air pass through, and below annular sealing surface, communicates with accommodation hole and consent; Described consent is the hole of installation and fixing fixed plug, on sealing neck and outside sealing neck, communicates with crowded air cavity and ventilating pit.

Described fixed plug be the restriction distance that moves up of seal cap that is arranged on the sealing neck answered in magnetic piston, centre have the stifled head of ventilating pit, described stifled head to be that centre has the cylinder of through hole or annular collar or jump ring circle; When fixed plug is the cylinder that there is through hole centre, the fixing employing shrink-fit in consent is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent are fixed or adopted to thread fit; When fixed plug is annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent are fixed or adopted to the fixing employing shrink-fit in consent; When fixed plug is jump ring circle, directly jump ring is stuck in consent.

Described annular sealing surface is the trim of the flat smooth of annular, and annular sealing surface is answering the upper end of sealing neck of magnetic piston to coordinate with the inner sealing surface of seal cap and the upper end of sealing neck in the middle part of the lower end of the inner chamber of negative pressure shell coordinates with the inner sealing surface in seal cap respectively.

Described seal cap is the circular pipe type cap body of top seal, and it is inner sealing surface that the inner top of seal cap divides, and the cylindrical parts near inner sealing surface has air passing hole.

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is the outer conical surface having tapering; Press down and seal inner conical surface by the gravity of sealing cone self when the outer conical surface of sealing cone and inner conical surface seal.

Described ball sealer is the surface of spherosome or oval ball, spherosome or oval ball is trim, and trim is smooth sphere; The sphere of ball sealer and inner conical surface lean on the gravity of ball sealer to press down and seal inner conical surface when sealing.

Described Magnetic control device is the controller that control upper magnet and lower magnet produce electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after control the time of upper magnet and lower magnet generation electromagnetic field and the time length of generation electromagnetic field and producing electromagnetic field.

Described upper magnet and lower magnet are the solenoids that can produce electromagnetic field.

In order to prevent robber from stealing automobile easily, making robber not have vacuum power-assisted when driving automobile and stop stealing garage is adopt installing remote device between teacher position key switch and Magnetic control device to connect and cut off the power-on circuit producing electromagnetic field; Described electronic remote controller is the circuit switch connecting and cutting off Magnetic control device, comprises the switch sections switching on or off circuit and electronics remote control part, and electronics remote control part comprises telepilot switch and electronic signal receptor; Telepilot switch is used for staff and carries with, and is convenient to staff and handles the normal operation vacuumizing high-efficiency, energy-conserving and electromagnetical pump and cut off the pilot circuit vacuumizing high-efficiency, energy-conserving and electromagnetical pump; Described electronic remote controller can have in the present invention, it is also possible to does not have.

Described extraction pipe is the open tube of aspirating hole and the vacuum tank connecting negative pressure shell.

Described aspirating hole be air enter the inner chamber of negative pressure shell through air passing hole, sealing neck position, center; There is annular sealing surface the upper end of the aspirating hole in sealing neck, and when not installing seal cap on the annular sealing surface of the sealing neck of end under protecting crust, pumping chamber communicates with aspirating hole.

The air extracted in vacuum tank is laid in pumping chamber and is waited to press, and extrudes air and produce air pressure and discharge outside negative pressure shell in crowded air cavity; In crowded air cavity during draws air, pumping chamber communicates with crowded air cavity; In crowded air cavity during exhausted air, pumping chamber is sealed with the internal taper hole answered in magnetic piston and disconnect the passage bled entering crowded air cavity by ball sealer or sealing cone.

Described vacuumizes high-efficiency, energy-conserving and electromagnetical pump in the process of draws air, controls bleed-off passage and go out in the one-way check valve of air passageways do not have return spring; When pumping chamber draws air, the suction answering magnetic upstroke to produce is opened the sealing of the sealing neck of seal cap and the lower end of negative pressure shell and is opened the passage bled, and the trim being arranged on the sealing neck answered in magnetic piston automatically declines go back to position under the effect of self gravitation and closes the passage bled entering in crowded air cavity and seal; When crowded air cavity draws air, the ball sealer that is arranged on the internal taper hole of air outlet valve or sealing cone utilize the passage of the discharge that the gravity of self makes ball sealer or sealing cone automatically declines go back to position and close on air outlet valve to seal, and answer magnetic descent of piston and make generation pressure promotion pumping chamber in be arranged on the seal cap on the sealing neck answered in magnetic piston to go then open the passage bled entering in crowded air cavity; When crowded air cavity exhausted air, under the effect going out atmospheric pressure, promote the ball sealer on the internal taper hole of air outlet valve or on sealing cone row and open the passage given vent to anger of air outlet valve, the seal cap being arranged on the sealing neck answered in magnetic piston utilizes the gravity of self to make seal cap automatically decline go back to position and close and answer the passage bled on magnetic piston to seal.

In order to ensure to vacuumize high-efficiency, energy-conserving and electromagnetical pump can normal operation, adopt connection and the cut-out of the junction circuit with insulated line teacher position key on-off control Magnetic control device even; Or, adopt connection and the cut-out of the junction circuit of teacher position key switch and the electronic remote controller co-controlling Magnetic control device connected with insulated line.

In order to ensure that protecting crust can protect the coil of upper magnet and lower magnet not damaged and keep the shape of protecting crust, in the inner chamber of protecting crust, manufacture the skeleton having support.

In order to enable to answer magnetic piston to promote the air in the pumping chamber in negative pressure shell to enter in crowded air cavity, the electromagnetic field adopting lower magnet to produce is answered magnetic piston to move down as pulling and the air in pumping chamber is squeezed the power into crowded air cavity.

During use, teacher of the opening position key switch directly connects insulated line and the power-on circuit of Magnetic control device, or, pressing the starting button of telepilot switch after the power-on circuit of teacher of the opening position key ON electronic remote controller, the circuit of electronic remote controller and Magnetic control device connected by electronic signal receptor after receiving start signal; The power-on circuit generation electromagnetic field that upper magnet and lower magnet are connected in circulation connected by Magnetic control device, when upper magnet produces electromagnetic field, the magnetism of electromagnetic field pulls answers magnetic piston to move up, when answering magnetic piston to start upper row, the seal cap being arranged on the sealing neck answered in magnetic piston is descending and close the passage bled that air enters crowded air cavity under the effect of the gravity of self; When answering magnetic upstroke, answer the upper row of magnetic piston and make the air in crowded air cavity create pressure, the internal taper hole having the air of pressure to enter in air outlet valve from the interior hole of the sealed end of the lower end of air outlet valve promotes ball sealer or seals the seal channel boring upper row and open air outlet valve, and the air in crowded air cavity is entered in air after air outlet valve; Answer magnetic piston when upper row, magnetic piston is answered also to make to create in pumping chamber vacuum suction, vacuum suction is inhaled row on dynamic seal cap and the annular sealing surface of sealing neck upper end of the lower end of negative pressure shell and the inner sealing surface of seal cap is separated, the air in vacuum tank from extraction pipe after inlet mouth again the air passing hole through seal cap enter answering in the pumping chamber below magnetic piston in negative pressure shell.

When answering magnetic upstroke to move into place, connecting the power-on circuit of lower magnet after the power-on circuit of Magnetic control device disconnection upper magnet, the electromagnetic field of upper magnet disappears, and the electromagnetic field that lower magnet produces pulls answers magnetic descent of piston; When answering magnetic piston to start descending, descending time position under the effect of the negative pressure of vacuum of the seal cap being arranged on the sealing neck of lower end in negative pressure shell under the effect of self gravitation and in vacuum tank and close the bleed-off passage entering pumping chamber, ball sealer in air outlet valve or sealing cone under the effect of the gravity of self descending time position and seal the inner conical surface of air outlet valve, cut off the outlet passageway of crowded air cavity; Answer magnetic piston when descending, answer magnetic piston to promote the air entering in pumping chamber and make air produce internal pressure, there is the air of pressure capable from continuing after answering the ventilating pit in magnetic piston to enter into answer the upper end of the sealing neck in magnetic piston upwards to wash the sealing of inner sealing surface of annular sealing surface and seal cap open and to make seal cap be shifted, enter in crowded air cavity after the ventilating pit in fixed plug again after the air passing hole on seal cap.

Answer magnetic piston when the gravitation of the electromagnetic field that lower magnet produces pulls descending putting in place, the seal cap being arranged on the sealing neck answered in magnetic piston under the effect of the gravity of self descending and sealing neck upper end annular sealing surface shut and make air not return pumping chamber, now, the power-on circuit that magnet connected again by Magnetic control device again produces electromagnetic field and pulls and answer magnetic upstroke; So connection of circulation and cut off circuit, the electromagnetic field that upper magnet is produced pulls answers magnetic upstroke and the electromagnetic field that allows lower magnet produce to pull to answer magnetic descent of piston, constantly the air extraction in vacuum tank is entered in air.

A kind of manufacture method vacuumizing high-efficiency, energy-conserving and electromagnetical pump, it is characterised in that:

When manufacturing, protecting crust adopts the material manufacture of the type in metal, plastics, nylon, glass reinforced plastic or several types; Hollow valve body and negative pressure shell adopt the material manufacture of the type in metal, plastics, nylon and glass reinforced plastic or several types; Ball sealer or sealing cone adopt the material manufacture of the type in metal, plastics, nylon and rubber or several types; Seal cap adopts the material manufacture of the type in metal, plastics, nylon and glass reinforced plastic or several types; Magnetic piston is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy; Fixed plug adopts the material manufacture of the type in metal, plastics, nylon, glass reinforced plastic, rubber or several types.

Protecting crust creates the hollow cavity of annular, and hollow cavity manufactures string holes, and string holes creates the hole allowing insulated line pass; The parts installed are installed in hollow cavity in Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell, or, the parts installed are installed in hollow cavity in electronic remote controller, Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell; The inner of the annular housing of hollow cavity is fixed on negative pressure shell.

In order to convenient for assembly, protecting crust is when manufacturing, and after protecting crust is divided into two portions manufacture from annular position, recombinant is together.

The inner chamber of negative pressure shell creates cylindrical cavity, and the cylinder surface of cylindrical cavity creates smooth curved surface; Upper end on the medullary ray of inner chamber manufactures has the centre hole through negative pressure shell, lower end manufacture to have aspirating hole to pass negative pressure shell; The middle part of the lower end in negative pressure shell manufactures sealing neck protruding upward, the upper end of sealing neck creates annular sealing surface, the inside of sealing neck creates aspirating hole, inner sealing surface at seal cap is not communicated with pumping chamber by air passing hole with aspirating hole during ring seal face seal, and the inner sealing surface of seal cap coordinates with the annular sealing surface of sealing neck.

Air outlet valve creates hollow valve body and ball sealer or sealing and bores two portions, hollow valve body creates open tube, internal taper hole is manufactured on the middle part of the inner chamber of open tube or middle bottom, and the internal diameter that the upper section of the internal taper hole in open tube the manufactures internal diameter that part manufactures greatly, below is little; The lower end manufacture of hollow valve body has back airtight end-blocking, the lower surface returning airtight end-blocking is manufactured on the lower end of hollow valve body, upper surface creates internal taper hole, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with ball sealer or sealing cone on the inner conical surface of internal taper hole. Described internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The little end of internal taper hole under, hold upper greatly, inner conical surface can be sealed under the effect of ball sealer or the gravity of sealing cone self, inner conical surface can be opened when ball sealer or sealing cone have above suction by suction and bore, with ball sealer or sealing, the passage sealed; Ball sealer or sealing cone air pressure above is more big, and ball sealer or sealing cone are more good with the gluing, sealing effect of inner conical surface; The sealing of inner conical surface and ball sealer or sealing cone can be opened when the interior hole of end under hollow valve body enters the air of pressure and form passage.

For the ease of the processing of negative pressure shell be convenient to accessory to load in negative pressure shell, described negative pressure shell create segmental machining manufacture after molectron; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections of manufactures, the upper section of segmentation place creates pump cover, below part and creates the main body of negative pressure shell, centre hole is manufactured on pump cover, aspirating hole is manufactured on the middle part of the lower end of main body of negative pressure shell, and it is a composite entity that the main body after pump cover and negative pressure shell is combined into after manufacturing; Or, the lower end of the circular cylindrical cavity part in negative pressure shell is divided into two sections of manufactures, the main body that below segmentation place, part creates pump cover, upper section creates negative pressure shell, aspirating hole is manufactured on the middle part of pump cover, centre hole is manufactured on the middle part of the upper end of the main body of negative pressure shell, and it is a composite entity that the main body of pump cover and negative pressure shell is combined into after manufacturing.

Answering magnetic piston to create cylindrical iron core, the periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with wear ring; Described periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell. The cylindrical central portion position of described cylindrical iron core manufactures to have to be run through hole and holds hole, holding the lower surface that iron core is run through in hole, run through hole and run through above iron core, accommodation hole is manufactured on to be run through below hole, hold hole and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole. Described hole of running through creates upper surface, below part that upper section runs through iron core and runs through the top in the accommodation hole of part below iron core, run through part below hole and create ventilating pit, the upper section running through hole creates consent, the sealing neck having annular protruding upward is manufactured in the bottom of consent, the interior hole of sealing neck portion creates the upper section of ventilating pit, manufacturing, between the outer ring surface and the consent of sealing neck portion of sealing neck, the groove having annular, the groove of annular is for holding the capped pipe part of seal cap; The upper surface of described sealing neck creates smooth annular sealing surface, and the periphery of sealing neck creates smooth periphery. Lower end manufacture at cylindrical iron core has the accommodation hole upwards caved in, described accommodation hole creates circular hole that communicate, that upwards cave in ventilating pit, when answering the lower end in magnetic piston arrives negative pressure shell, hold hole and can hold seal cap and seal cap is not collided with answering magnetic piston. Manufacturing on accommodation hole and have ventilating pit, manufacturing above of ventilating pit has consent; Described ventilating pit creates the hole excessively allowing air pass through, and is manufactured on below annular sealing surface, communicates with pumping chamber and consent; Described consent creates installation and the hole of fixing fixed plug, is manufactured on above and outside sealing neck of sealing neck, communicates with crowded air cavity and ventilating pit.

Fixed plug creates the stifled head that there is ventilating pit centre, and described stifled head creates centre the cylinder of through hole or annular collar or jump ring circle, it is possible to the distance that the seal cap that restriction is arranged on the sealing neck answered in magnetic piston moves up; When fixed plug creates the cylinder that there is through hole centre, the fixing employing shrink-fit in consent is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent are fixed or adopted to thread fit; When fixed plug creates annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent are fixed or adopted to the fixing employing shrink-fit in consent; When fixed plug creates jump ring circle, directly jump ring is stuck in consent.

Described annular sealing surface creates the trim of the flat smooth of annular, is manufactured on respectively and answers the upper end of sealing neck of magnetic piston to coordinate with the inner sealing surface of seal cap and be manufactured on the upper end of sealing neck in the middle part of the lower end of the inner chamber of negative pressure shell to coordinate with the inner sealing surface in seal cap.

Described seal cap creates the circular pipe type cap body of top seal, and the inner top of seal cap divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole.

Sealing cone creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the outer conical surface of tapering; Press down and seal inner conical surface by the gravity of sealing cone self when the outer conical surface of sealing cone and inner conical surface seal.

Ball sealer creates spherosome or oval ball, and the surface of spherosome or oval ball creates trim, and trim creates smooth sphere; The sphere of ball sealer and inner conical surface lean on the self gravitation of ball sealer to press down and seal inner conical surface when sealing.

Magnetic control device creates control upper magnet and lower magnet produces the controller of electromagnetic field, control upper magnet and lower magnet produce time of electromagnetic field and after producing the time length of electromagnetic field and producing electromagnetic field every time to the interval time producing electromagnetic field for the second time again.

Upper magnet and lower magnet create the solenoid that can produce electromagnetic field.

In order to prevent robber from stealing automobile easily, making robber not have vacuum power-assisted when driving automobile and stop stealing garage is adopt installing remote device between teacher position key switch and Magnetic control device to connect and cut off the power-on circuit producing electromagnetic field; Described electronic remote controller creates the circuit switch connected and cut off Magnetic control device, comprises the switch sections switching on or off circuit and electronics remote control part, and electronics remote control part comprises telepilot switch and electronic signal receptor; Described electronic remote controller can have in the present invention, it is also possible to does not have.

Extraction pipe creates the open tube of aspirating hole and the vacuum tank connecting negative pressure shell.

Aspirating hole create air enter negative pressure shell inner chamber through hole, be manufactured on sealing neck position, center; The upper end of the aspirating hole in sealing neck manufactures annular sealing surface, and when not installing seal cap on the annular sealing surface of the sealing neck of end under protecting crust, pumping chamber communicates with aspirating hole.

Being provided with upper magnet and lower magnet in protecting crust, upper magnet is fixed on the upper section outside negative pressure shell, and lower magnet is fixed on part below outside negative pressure shell, and protecting crust is fixed on the outside protection upper magnet of negative pressure shell and the coil of lower magnet; Below the outside of protecting crust, one side is fixed with pin frame, and the lower end of pin frame protects extraction pipe not oppressed lower than the lower end of negative pressure shell, and the lower end of pin frame is fixed on the vehicle frame of automobile. Connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, the circuit of Magnetic control device is connected with electronic remote controller, electronic remote controller is connected with insulated line, and the electronic signal receptor of Magnetic control device, electronic remote controller and electronic remote controller is arranged in protecting crust; Or, connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust. Being provided with seal cap in negative pressure shell, answer magnetic piston, fixed plug, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; The sealing neck answering part below the consent in magnetic piston is provided with seal cap, the capped pipe part of seal cap can slide up and down on the periphery of sealing neck, being provided with fixed plug in consent to limit sliding distance when seal cap upwards slides, the fixing employing shrink-fit of fixed plug in consent is fixed or the two ends of the jump-ring slot internal fixtion fixed plug that jump ring is stuck in consent are fixed or adopted to thread fit; The passage bled answered on magnetic piston can be closed when the inner sealing surface that the inner top of seal cap divides coordinates with annular sealing surface and seals, the passage bled answered on magnetic piston when the inner sealing surface that the inner top of seal cap divides separates with annular sealing surface, can be opened; On the periphery of the sealing neck of the lower end in negative pressure shell, cover has seal cap, the periphery of the sealing neck of the lower end of seal cap in negative pressure shell can slide up and down, when seal cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, seal cap has gap in hole with holding; Inner sealing surface in seal cap coordinates, with the annular sealing surface of sealing neck end, the passage bled that can seal or open and enter in negative pressure shell; When answering magnetic upstroke, the lumen portion answering the negative pressure shell of part below magnetic piston is pumping chamber; When answering magnetic descent of piston, the lumen portion answering the negative pressure shell of magnetic piston upper part is crowded air cavity. Being fixed with extraction pipe at the aspirating hole place of the lower end of negative pressure shell, the other end of extraction pipe is connected with vacuum tank, and the interior hole of extraction pipe communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve.

The present invention vacuumizes the compact construction of high-efficiency, energy-conserving and electromagnetical pump, vibrates little, utilization rate of electrical height, powerful, the electromobile and the internal-combustion engines vehicle that are applicable to vacuum boosting hydraulic brake are installed and used, and also can produce vacuum normally and realize vacuum power-assisted after oil engine shuts down; The market outlook of industrialization are good, commercial value height, manufacture and use all very convenient.

Accompanying drawing explanation

Fig. 1 and Fig. 2 is the structural representation vacuumizing high-efficiency, energy-conserving and electromagnetical pump.

Fig. 3 is the structural representation answering magnetic piston.

Fig. 4 is the schematic appearance of the vertical view answering magnetic piston.

Shown in figure: protecting crust 1, pin frame 2, extraction pipe 3, negative pressure shell 4, hollow valve body 5, lower magnet 6, answer magnetic piston 7, ball sealer 8 or sealing cone 8, fixed plug 10, air passing hole 12, upper magnet 13, seal cap 15, ventilating pit 16, annular sealing surface 17, consent 18, hold hole 25.

Embodiment

The present invention vacuumizes high-efficiency, energy-conserving and electromagnetical pump and mainly comprises protecting crust 1, upper magnet 13, lower magnet 6, negative pressure shell 4, aspirating hole, ball sealer 8 or sealing cone 8, seal cap 15, answers magnetic piston 7, fixed plug 10, internal taper hole, ventilating pit 16, air outlet valve, extraction pipe 3, Magnetic control device, electronic remote controller; Or comprise protecting crust 1, upper magnet 13, lower magnet 6, negative pressure shell 4, aspirating hole, ball sealer 8 or sealing cone 8, seal cap 15, answer magnetic piston 7, fixed plug 10, internal taper hole, ventilating pit 16, air outlet valve, extraction pipe 3, Magnetic control device.

Upper magnet 13 and lower magnet 6 are installed in protecting crust 1, upper magnet 13 is fixed on the upper section outside negative pressure shell 4, lower magnet 6 is fixed on part below outside negative pressure shell 4, and protecting crust 1 is fixed on the outside protection upper magnet 13 of negative pressure shell 4 and the coil of lower magnet 6; Below the outside of protecting crust 1, one side is fixed with pin frame 2, and the lower end of pin frame 2 protects extraction pipe 3 not oppressed lower than negative pressure shell 4 times ends, and the lower end of pin frame 2 is fixed on the vehicle frame of automobile.

Connection upper magnet 13 and the circuit of lower magnet 6 are connected with the circuit of Magnetic control device, the circuit of Magnetic control device is connected with electronic remote controller, electronic remote controller is connected with insulated line, and the electronic signal receptor of Magnetic control device, electronic remote controller and electronic remote controller is arranged in protecting crust 1; Or, connection upper magnet 13 and the circuit of lower magnet 6 are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust 1.

Seal cap 15 is installed in negative pressure shell 4, answers magnetic piston 7, fixed plug 10, answering magnetic piston 7 to be arranged in the inner chamber of negative pressure shell 4 can slide up and down; Below the consent 18 answered in magnetic piston 7, the sealing neck of part is provided with seal cap 15, the capped pipe part of seal cap 15 can slide up and down on the periphery of sealing neck, being provided with fixed plug 10 in consent 18 to limit sliding distance when seal cap 15 upwards slides, the fixing employing shrink-fit of fixed plug 10 in consent 18 is fixed or the two ends of the jump-ring slot internal fixtion fixed plug 10 that jump ring is stuck in consent 18 are fixed or adopted to thread fit; The passage bled answered on magnetic piston 7 can be closed when the inner sealing surface that the inner top of seal cap 15 divides coordinates and seal with annular sealing surface 17, the passage bled answered on magnetic piston 7 when the inner sealing surface that the inner top of seal cap 15 divides separates with annular sealing surface 17, can be opened; On the periphery of the sealing neck of the lower end in negative pressure shell 4, cover has seal cap 15, the periphery of the sealing neck of the lower end of seal cap 15 in negative pressure shell 4 can slide up and down, when seal cap 15 is in the accommodation hole 25 answering the lower end of magnetic piston 7 upwards to cave in, seal cap 15 has gap in hole 25 with holding; Inner sealing surface in seal cap 15 coordinates, with the annular sealing surface 17 of sealing neck end, the passage bled that can seal or open and enter in negative pressure shell 4; When answering row on magnetic piston 7, the lumen portion answering the negative pressure shell 4 of part below magnetic piston 7 is pumping chamber; When answering magnetic piston 7 descending, the lumen portion answering the negative pressure shell 4 of magnetic piston 7 upper section is crowded air cavity. Being fixed with extraction pipe 3 at the aspirating hole place of the lower end of negative pressure shell 4, the other end of extraction pipe 3 is connected with vacuum tank, and the interior hole of extraction pipe 3 communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell 4, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell 4, and the upper surface of negative pressure shell 4 is exposed in the upper end of air outlet valve.

When manufacturing, protecting crust 1 adopts the material manufacture of the type in metal, plastics, nylon, glass reinforced plastic, rubber or several types, when protecting crust 1 when adopting elastomeric material to manufacture or after manufacture shaping is soft-shell, it is made to float on gas face first in use the inner chamber inflation of protecting crust 1; Hollow valve body 5 and negative pressure shell 4 adopt the material manufacture of the type in metal, plastics, nylon and glass reinforced plastic or several types; Ball sealer 8 or sealing cone 8 adopt the material manufacture of the type in metal, plastics, nylon and rubber or several types; Seal cap 15 adopts the material manufacture of the type in metal, plastics, nylon and glass reinforced plastic or several types; Magnetic piston 7 is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy; Fixed plug 10 adopts the material manufacture of the type in metal, plastics, nylon, glass reinforced plastic, rubber or several types.

Protecting crust 1 creates the hollow cavity of annular, and hollow cavity manufactures string holes, and string holes creates the hole allowing insulated line pass; The parts installed are installed in hollow cavity in Magnetic control device, upper magnet 13, lower magnet 6 and negative pressure shell 4 and negative pressure shell 4, or, the parts installed are installed in hollow cavity in electronic remote controller, Magnetic control device, upper magnet 13, lower magnet 6 and negative pressure shell 4 and negative pressure shell 4; The inner of the annular housing of hollow cavity is fixed on negative pressure shell 4.

In order to convenient for assembly, protecting crust 1 is when manufacturing, and after protecting crust 1 is divided into two portions manufacture from annular position, recombinant is together.

The inner chamber of negative pressure shell 4 creates cylindrical cavity, and the cylinder surface of cylindrical cavity creates smooth curved surface; Upper end on the medullary ray of inner chamber manufactures has the centre hole through negative pressure shell 4, lower end manufacture to have aspirating hole to pass negative pressure shell 4; The middle part of the lower end in negative pressure shell 4 manufactures sealing neck protruding upward, the upper end of sealing neck creates annular sealing surface 17, the inside of sealing neck creates aspirating hole, when the inner sealing surface of seal cap 15 does not seal with annular sealing surface 17, aspirating hole is communicated with pumping chamber by air passing hole 12, and the inner sealing surface of seal cap 15 coordinates with the annular sealing surface 17 of sealing neck.

Air outlet valve creates hollow valve body 5 and ball sealer 8 or sealing and bores 8 two portions, hollow valve body 5 creates open tube, internal taper hole is manufactured on the middle part of the inner chamber of open tube or middle bottom, and the internal diameter that the upper section of the internal taper hole in open tube the manufactures internal diameter that part manufactures greatly, below is little; The lower end manufacture of hollow valve body 5 has back airtight end-blocking, the lower surface returning airtight end-blocking is manufactured on the lower end of hollow valve body 5, upper surface creates internal taper hole, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with ball sealer 8 or sealing cone 8 on the inner conical surface of internal taper hole. Described internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The little end of internal taper hole under, hold upper greatly, inner conical surface can be sealed under the effect of ball sealer 8 or the gravity of sealing cone 8 self, inner conical surface can be opened when ball sealer 8 or sealing cone 8 have above suction by suction and bore 8 passages sealed with ball sealer 8 or sealing; It is more big that the air pressure above 8 is bored in ball sealer 8 or sealing, and ball sealer 8 or sealing cone 8 are more good with the gluing, sealing effect of inner conical surface; The sealing of inner conical surface and ball sealer 8 or sealing cone 8 can be opened when entering the air of pressure from the interior hole of hollow valve body 5 times ends and form passage.

For the ease of the processing of negative pressure shell 4 be convenient to accessory to load in negative pressure shell 4, described negative pressure shell 4 create segmental machining manufacture after molectron; The upper end of the circular cylindrical cavity part in negative pressure shell 4 is divided into two sections of manufactures, the upper section of segmentation place creates pump cover, below part and creates the main body of negative pressure shell 4, centre hole is manufactured on pump cover, aspirating hole is manufactured on the middle part of the lower end of main body of negative pressure shell 4, and it is a composite entity that the main body after pump cover and negative pressure shell 4 is combined into after manufacturing; Or, the lower end of the circular cylindrical cavity part in negative pressure shell 4 is divided into two sections of manufactures, the main body that below segmentation place, part creates pump cover, upper section creates negative pressure shell 4, aspirating hole is manufactured on the middle part of pump cover, centre hole is manufactured on the middle part of the upper end of the main body of negative pressure shell 4, and it is a composite entity that the main body of pump cover and negative pressure shell 4 is combined into after manufacturing.

Answering magnetic piston 7 to create cylindrical iron core, the periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with wear ring; Described periphery coordinate with the inner chamber of negative pressure shell 4 can the inner chamber of sealed negative-pressure shell 4, and can slide in the inner chamber of negative pressure shell 4. The cylindrical central portion position of described cylindrical iron core manufactures to have to be run through hole and holds hole 25, hold the lower surface that iron core is run through in hole 25, running through hole runs through above iron core, accommodation hole 25 is manufactured on to be run through below hole, hold hole 25 and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole 25. Described hole of running through creates upper surface, below part that upper section runs through iron core and runs through the top in the accommodation hole 25 of part below iron core, run through part below hole and create ventilating pit 16, the upper section running through hole creates consent 18, the sealing neck having annular protruding upward is manufactured in the bottom of consent 18, the interior hole of sealing neck portion creates the upper section of ventilating pit 16, manufacturing, between the outer ring surface and the consent 18 of sealing neck portion of sealing neck, the groove having annular, the groove of annular is for holding the capped pipe part of seal cap 15; The upper surface of described sealing neck creates smooth annular sealing surface 17, and the periphery of sealing neck creates smooth periphery. Lower end manufacture at cylindrical iron core has the accommodation hole 25 upwards caved in, described accommodation hole 25 creates circular hole that communicate, that upwards cave in ventilating pit 16, when answering magnetic piston 7 to arrive the lower end in negative pressure shell 4, hold hole 25 and can hold seal cap 15 and seal cap 15 is not collided with answering magnetic piston 7. Manufacturing on accommodation hole 25 and have ventilating pit 16, manufacturing above of ventilating pit 16 has consent 18; Described ventilating pit 16 creates the hole excessively allowing air pass through, and is manufactured on below annular sealing surface 17, communicates with pumping chamber and consent 18; Described consent 18 creates installation and the hole of fixing fixed plug 10, is manufactured on above and outside sealing neck of sealing neck, communicates with crowded air cavity and ventilating pit 16.

Fixed plug 10 creates the stifled head that there is ventilating pit 16 centre, and described stifled head creates centre the cylinder of through hole or annular collar or jump ring circle, it is possible to the distance that the seal cap 15 that restriction is arranged on the sealing neck answered in magnetic piston 7 moves up; When fixed plug 10 creates the cylinder that there is through hole centre, the fixing employing shrink-fit in consent 18 is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent 18 are fixed or adopted to thread fit; When fixed plug 10 creates annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent 18 are fixed or adopted to the fixing employing shrink-fit in consent 18; When fixed plug 10 creates jump ring circle, directly jump ring is stuck in consent 18.

Described annular sealing surface 17 creates the trim of the flat smooth of annular, and the upper end being manufactured on the sealing neck answering magnetic piston 7 respectively coordinates with the inner sealing surface of seal cap 15 and the upper end that is manufactured on the sealing neck in the middle part of the lower end of the inner chamber of negative pressure shell 4 coordinates with the inner sealing surface in seal cap 15.

Described seal cap 15 creates the circular pipe type cap body of top seal, and the inner top of seal cap 15 divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole 12.

Sealing cone 8 creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the outer conical surface of tapering; Press down and seal inner conical surface by the gravity of sealing cone 8 self when the outer conical surface of sealing cone 8 and inner conical surface seal.

Ball sealer 8 creates spherosome or oval ball, and the surface of spherosome or oval ball creates trim, and trim creates smooth sphere; The sphere of ball sealer 8 and inner conical surface lean on the self gravitation of ball sealer 8 to press down and seal inner conical surface when sealing.

Magnetic control device creates control upper magnet 13 and lower magnet 6 produces the controller of electromagnetic field, control upper magnet 13 and lower magnet 6 produces time of electromagnetic field and after producing the time length of electromagnetic field and producing electromagnetic field every time to the interval time producing electromagnetic field for the second time again.

Upper magnet 13 and lower magnet 6 create the solenoid that can produce electromagnetic field.

Extraction pipe 3 creates the open tube of aspirating hole and the vacuum tank connecting negative pressure shell 4.

Aspirating hole create air enter negative pressure shell 4 inner chamber through hole, be manufactured on sealing neck position, center; The upper end of the aspirating hole in sealing neck manufactures annular sealing surface 17, and when not installing seal cap 15 on the annular sealing surface 17 of the sealing neck of protecting crust 1 time end, pumping chamber communicates with aspirating hole.

In order to ensure that protecting crust 1 can protect the coil of upper magnet 13 and lower magnet 6 not damaged and keep the shape of protecting crust 1, in the inner chamber of protecting crust 1, manufacture the skeleton having support.

In order to make to answer magnetic piston 7 that the air in the pumping chamber in negative pressure shell 4 can be promoted to enter in crowded air cavity, the electromagnetic field adopting lower magnet 6 to produce is answered magnetic piston 7 to move down as pulling and the air in pumping chamber is squeezed the power into crowded air cavity.

The air extracted in vacuum tank is laid in pumping chamber and is waited to press, and extrudes air and produce air pressure and discharge outside negative pressure shell in crowded air cavity; In crowded air cavity during draws air, pumping chamber communicates with crowded air cavity; In crowded air cavity during exhausted air, pumping chamber is sealed with the internal taper hole answered in magnetic piston 7 and disconnect the passage bled entering crowded air cavity by ball sealer 8 or sealing cone 8.

Described vacuumizes high-efficiency, energy-conserving and electromagnetical pump in the process of draws air, controls bleed-off passage and go out in the one-way check valve of air passageways do not have return spring; When pumping chamber draws air, the suction answering on magnetic piston 7 row to produce is opened the sealing of the sealing neck of seal cap 15 with negative pressure shell 4 times ends and is opened the passage bled, and the trim being arranged on the sealing neck answered in magnetic piston 7 automatically declines go back to position under the effect of self gravitation and closes the passage bled entering in crowded air cavity and seal; When crowded air cavity draws air, the ball sealer 8 that is arranged on the internal taper hole of air outlet valve or sealing cone 8 utilize the passage of the discharge that the gravity of self makes ball sealer 8 or sealing cone 8 automatically declines go back to position and close on air outlet valve to seal, and answer magnetic piston 7 descending and make generation pressure promotion pumping chamber in be arranged on the seal cap 15 on the sealing neck answered in magnetic piston 7 to go then open the passage bled entering in crowded air cavity; When crowded air cavity exhausted air, under the effect going out atmospheric pressure, promote the ball sealer 8 on the internal taper hole of air outlet valve or on sealing cone 8 row and open the passage given vent to anger of air outlet valve, the seal cap 15 being arranged on the sealing neck answered in magnetic piston 7 utilizes the gravity of self to make seal cap 15 automatically decline go back to position and close and answer the passage bled on magnetic piston 7 to seal.

During use, teacher of the opening position key switch directly connects insulated line and the power-on circuit of Magnetic control device, or, pressing the starting button of telepilot switch after the power-on circuit of teacher of the opening position key ON electronic remote controller, the circuit of electronic remote controller and Magnetic control device connected by electronic signal receptor after receiving start signal; The power-on circuit generation electromagnetic field that upper magnet 13 and lower magnet 6 are connected in circulation connected by Magnetic control device, when upper magnet 13 produces electromagnetic field, the magnetism of electromagnetic field pulls answers magnetic piston 7 to move up, when answering magnetic piston 7 to start upper row, the seal cap 15 being arranged on the sealing neck answered in magnetic piston 7 is descending and close the passage bled that air enters crowded air cavity under the effect of the gravity of self; When answering row on magnetic piston 7, answer the upper row of magnetic piston 7 and make the air in crowded air cavity create pressure, the internal taper hole having the air of pressure to enter in air outlet valve from the interior hole of the sealed end of the lower end of air outlet valve promotes ball sealer 8 or seals the seal channel boring row on 8 and open air outlet valve, and the air in crowded air cavity is entered in air after air outlet valve; Answer magnetic piston 7 when upper row, magnetic piston 7 is answered also to make to create in pumping chamber vacuum suction, vacuum suction is inhaled row on dynamic seal cap 15 and the annular sealing surface 17 of sealing neck upper end of negative pressure shell 4 times ends and the inner sealing surface of seal cap 15 is separated, the air in vacuum tank from extraction pipe 3 after inlet mouth again the air passing hole 12 through seal cap 15 enter answering in the pumping chamber below magnetic piston 7 in negative pressure shell 4.

When answering on magnetic piston 7 row to move into place, the power-on circuit of lower magnet 6 connected by Magnetic control device after disconnecting the power-on circuit of upper magnet 13, the electromagnetic field of upper magnet 13 disappears, and the electromagnetic field that lower magnet 6 produces pulls answers magnetic piston 7 descending; When answering magnetic piston 7 to start descending, descending time position under the effect of the negative pressure of vacuum of the seal cap 15 being arranged on the sealing neck of lower end in negative pressure shell 4 under the effect of self gravitation and in vacuum tank and close the bleed-off passage entering pumping chamber, ball sealer 8 in air outlet valve or sealing cone 8 under the effect of the gravity of self descending time position and seal the inner conical surface of air outlet valve, cut off the outlet passageway of crowded air cavity; Answer magnetic piston 7 when descending, answer magnetic piston 7 to promote the air entering in pumping chamber and make air produce internal pressure, there is the air of pressure upwards to wash the sealing of the inner sealing surface of annular sealing surface 17 with seal cap 15 open from the upper end that the ventilating pit 16 answered in magnetic piston 7 enters into the sealing neck answered in magnetic piston 7 and continue after seal cap 15 is shifted capable, enter in crowded air cavity after the ventilating pit 16 in fixed plug 10 again after the air passing hole 12 on seal cap 15.

Answer magnetic piston 7 when the gravitation of the electromagnetic field that lower magnet 6 produces pulls descending putting in place, the seal cap 15 being arranged on the sealing neck answered in magnetic piston 7 under the effect of the gravity of self descending and sealing neck upper end annular sealing surface 17 shut and make air not return pumping chamber, now, the power-on circuit that magnet connected again by Magnetic control device again produces electromagnetic field and pulls and answer row on magnetic piston 7; So connection of circulation and cut off circuit, the electromagnetic field that upper magnet 13 is produced pulls answers row on magnetic piston 7 and the electromagnetic field that allows lower magnet 6 produce to pull to answer magnetic piston 7 descending, constantly the air extraction in vacuum tank is entered in air.

Claims

1. one kind vacuumizes high-efficiency, energy-conserving and electromagnetical pump, it is characterised in that: the described high-efficiency, energy-conserving and electromagnetical pump that vacuumizes comprises protecting crust, upper magnet, lower magnet, negative pressure shell, aspirating hole, sealing cone, seal cap, answers magnetic piston, fixed plug, internal taper hole, ventilating pit, air outlet valve, extraction pipe, Magnetic control device;

Being provided with upper magnet and lower magnet in protecting crust, upper magnet is fixed on the upper section outside negative pressure shell, and lower magnet is fixed on part below outside negative pressure shell, and protecting crust is fixed on the outside protection upper magnet of negative pressure shell and the coil of lower magnet; Below the outside of protecting crust, one side is fixed with pin frame, and the lower end of pin frame protects extraction pipe not oppressed lower than the lower end of negative pressure shell, and the lower end of pin frame is fixed on the vehicle frame of automobile;

Connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust;

Being provided with seal cap in negative pressure shell, answer magnetic piston, fixed plug, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; The sealing neck answering part below the consent in magnetic piston is provided with seal cap, the capped pipe part of seal cap can slide up and down on the periphery of sealing neck, being provided with fixed plug in consent to limit sliding distance when seal cap upwards slides, the fixing employing shrink-fit of fixed plug in consent is fixed or the two ends of the jump-ring slot internal fixtion fixed plug that jump ring is stuck in consent are fixed or adopted to thread fit; The passage bled answered on magnetic piston can be closed when the inner sealing surface that the inner top of seal cap divides coordinates with annular sealing surface and seals, the passage bled answered on magnetic piston when the inner sealing surface that the inner top of seal cap divides separates with annular sealing surface, can be opened; On the periphery of the sealing neck of the lower end in negative pressure shell, cover has seal cap, the periphery of the sealing neck of the lower end of seal cap in negative pressure shell can slide up and down, when seal cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, seal cap has gap in hole with holding; Inner sealing surface in seal cap coordinates, with the annular sealing surface of sealing neck end, the passage bled that can seal or open and enter in negative pressure shell; When answering magnetic upstroke, the lumen portion answering the negative pressure shell of part below magnetic piston is pumping chamber; When answering magnetic descent of piston, the lumen portion answering the negative pressure shell of magnetic piston upper part is crowded air cavity; Being fixed with extraction pipe at the aspirating hole place of the lower end of negative pressure shell, the other end of extraction pipe is connected with vacuum tank, and the interior hole of extraction pipe communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve;

Described protecting crust is the hollow cavity of annular, and hollow cavity has string holes, is provided with in Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell the parts installed in hollow cavity, and string holes is the hole allowing insulated line pass; The inner of the annular housing of hollow cavity is fixed on negative pressure shell;

For the ease of the processing of protecting crust be convenient to accessory to load in protecting crust, described protecting crust is the molectron after segmentation, and after the annular position of protecting crust is divided into two parts, recombinant is together;

The inner chamber of described negative pressure shell is circular cylindrical cavity, and the cylindrical surface of cylindrical cavity is smooth curved surface; Upper end on the medullary ray of inner chamber has that centre hole passes negative pressure shell, lower end has aspirating hole to pass negative pressure shell; There is sealing neck protruding upward at the middle part of the lower end in negative pressure shell, the upper end of sealing neck is annular sealing surface, the inside of sealing neck is aspirating hole, inner sealing surface at seal cap is not communicated with pumping chamber by air passing hole with aspirating hole during ring seal face seal, and the inner sealing surface of seal cap coordinates with the annular sealing surface of sealing neck;

Described air outlet valve comprises hollow valve body and sealing cone, and hollow valve body is open tube, and internal taper hole is in the middle part of the inner chamber of open tube or middle bottom, and the internal diameter of the upper section of the internal taper hole in open tube is greatly, the internal diameter of part is little below; The lower end of hollow valve body has back airtight end-blocking, the lower surface returning airtight end-blocking is internal taper hole in lower end, the upper surface of hollow valve body, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with sealing cone on the inner conical surface of internal taper hole; Described internal taper hole is the circular hole having tapering, and the face of circular hole is inner conical surface; The little end of internal taper hole under, hold upper greatly, inner conical surface and the outer cone match of sealing cone, can seal inner conical surface under the effect of the gravity of sealing cone self, can open, by suction, the passage that inner conical surface seals with sealing cone sealing when cone has above suction; Sealing cone air pressure above is more big, and sealing cone is more good with the gluing, sealing effect of inner conical surface; Inner conical surface can be opened when the interior hole of end under hollow valve body enters the air of pressure and form passage with sealing the sealing bored;

For the ease of the processing of negative pressure shell be convenient to accessory to load in negative pressure shell, described negative pressure shell is the molectron after segmentation; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the upper section of segmentation place is pump cover, below part is the main body of negative pressure shell, centre hole on pump cover, the middle part that aspirating hole is held under the main body of negative pressure shell, the body combination of pump cover and negative pressure shell becomes a composite entity; Or, the lower end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the main body of part to be pump cover, upper section be negative pressure shell below segmentation place, aspirating hole is at the middle part of pump cover, centre hole is at the middle part of the upper end of the main body of negative pressure shell, and the body combination of pump cover and negative pressure shell becomes a composite entity;

Described answering magnetic piston to be cylindrical iron core, the periphery of cylindrical iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with wear ring; Described periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell; The cylindrical central portion position of described cylindrical iron core has to be run through hole and holds hole, hold hole and run through the lower surface of iron core, run through hole and run through above iron core, hold hole running through below hole, hold hole and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole; Upper surface, below part that the described upper section running through hole runs through iron core run through the top in the accommodation hole of part below iron core, running through part below hole is ventilating pit, the upper section running through hole is consent, the sealing neck of annular protruding upward is had in the bottom of consent, the interior hole of sealing neck portion is the upper section of ventilating pit, the groove having annular between the periphery and the consent of sealing neck portion of sealing neck, the groove of annular is for holding the capped pipe part of seal cap; The upper surface of described sealing neck is smooth annular sealing surface, and the periphery of sealing neck is smooth periphery; Lower end at cylindrical iron core has the accommodation hole upwards caved in, the circular hole that described accommodation hole communicates with ventilating pit, upwards caves in, when answering the lower end in magnetic piston arrives negative pressure shell, hold hole and for holding seal cap and seal cap is not collided with answering magnetic piston; It is ventilating pit on accommodation hole, it is consent above ventilating pit; Described ventilating pit is the hole excessively allowing air pass through, and below annular sealing surface, communicates with accommodation hole and consent; Described consent is the hole of installation and fixing fixed plug, on sealing neck and outside sealing neck, communicates with crowded air cavity and ventilating pit;

Described fixed plug be the restriction distance that moves up of seal cap that is arranged on the sealing neck answered in magnetic piston, centre have the stifled head of ventilating pit, described stifled head to be that centre has the cylinder of through hole or annular collar or jump ring circle; When fixed plug is the cylinder that there is through hole centre, the fixing employing shrink-fit in consent is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent are fixed or adopted to thread fit; When fixed plug is annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent are fixed or adopted to the fixing employing shrink-fit in consent; When fixed plug is jump ring circle, directly jump ring is stuck in consent;

Described annular sealing surface is the trim of the flat smooth of annular, and annular sealing surface is answering the upper end of sealing neck of magnetic piston to coordinate with the inner sealing surface of seal cap and the upper end of sealing neck in the middle part of the lower end of the inner chamber of negative pressure shell coordinates with the inner sealing surface in seal cap respectively;

Described seal cap is the circular pipe type cap body of top seal, and it is inner sealing surface that the inner top of seal cap divides, and the cylindrical parts near inner sealing surface has air passing hole;

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is the outer conical surface having tapering; Press down and seal inner conical surface by the gravity of sealing cone self when the outer conical surface of sealing cone and inner conical surface seal;

Described Magnetic control device is the controller that control upper magnet and lower magnet produce electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after control the time of upper magnet and lower magnet generation electromagnetic field and the time length of generation electromagnetic field and producing electromagnetic field;

Described upper magnet and lower magnet are the solenoids that can produce electromagnetic field;

Described extraction pipe is the open tube of aspirating hole and the vacuum tank connecting negative pressure shell;

Described aspirating hole be air enter the inner chamber of negative pressure shell through air passing hole, sealing neck position, center; There is annular sealing surface the upper end of the aspirating hole in sealing neck, and when not installing seal cap on the annular sealing surface of the sealing neck of end under protecting crust, pumping chamber communicates with aspirating hole;

The air extracted in vacuum tank is laid in pumping chamber and is waited to press, and extrudes air and produce air pressure and discharge outside negative pressure shell in crowded air cavity; In crowded air cavity during draws air, pumping chamber communicates with crowded air cavity; In crowded air cavity during exhausted air, pumping chamber is sealed by sealing cone and the internal taper hole answered in magnetic piston and disconnects the passage bled entering crowded air cavity;

Described vacuumizes high-efficiency, energy-conserving and electromagnetical pump in the process of draws air, controls bleed-off passage and go out in the one-way check valve of air passageways do not have return spring; When pumping chamber draws air, the suction answering magnetic upstroke to produce is opened the sealing of the sealing neck of seal cap and the lower end of negative pressure shell and is opened the passage bled, and the trim being arranged on the sealing neck answered in magnetic piston automatically declines go back to position under the effect of self gravitation and closes the passage bled entering in crowded air cavity and seal; When crowded air cavity draws air, the passage being arranged on the discharge that the cone of the sealing on the internal taper hole of air outlet valve utilizes the gravity of self to make sealing cone automatically decline go back to position and close on air outlet valve seals, and answers magnetic descent of piston and makes generation pressure promotion pumping chamber in be arranged on the seal cap on the sealing neck answered in magnetic piston to go then open the passage bled entering in crowded air cavity; When crowded air cavity exhausted air, promoting row on the cone of the sealing on the internal taper hole of air outlet valve under the effect going out atmospheric pressure and open the passage given vent to anger of air outlet valve, the seal cap being arranged on the sealing neck answered in magnetic piston utilizes the gravity of self to make seal cap automatically decline go back to position and close and answer the passage bled on magnetic piston to seal;

During use, the power-on circuit of insulated line and Magnetic control device connected by teacher of the opening position key switch, the power-on circuit generation electromagnetic field that upper magnet and lower magnet are connected in circulation connected by Magnetic control device, when upper magnet produces electromagnetic field, the magnetism of electromagnetic field pulls answers magnetic piston to move up, when answering magnetic piston to start upper row, the seal cap being arranged on the sealing neck answered in magnetic piston is descending and close the passage bled that air enters crowded air cavity under the effect of the gravity of self; When answering magnetic upstroke, answer the upper row of magnetic piston and make the air in crowded air cavity create pressure, the internal taper hole having the air of pressure to enter in air outlet valve from the interior hole of the sealed end of the lower end of air outlet valve promotes the seal channel sealing the upper row of cone and open air outlet valve, and the air in crowded air cavity is entered in air after air outlet valve; Answer magnetic piston when upper row, magnetic piston is answered also to make to create in pumping chamber vacuum suction, vacuum suction is inhaled row on dynamic seal cap and the annular sealing surface of sealing neck upper end of the lower end of negative pressure shell and the inner sealing surface of seal cap is separated, the air in vacuum tank from extraction pipe after inlet mouth again the air passing hole through seal cap enter and answer in the pumping chamber below magnetic piston in negative pressure shell;

When answering magnetic upstroke to move into place, connecting the power-on circuit of lower magnet after the power-on circuit of Magnetic control device disconnection upper magnet, the electromagnetic field of upper magnet disappears, and the electromagnetic field that lower magnet produces pulls answers magnetic descent of piston; When answering magnetic piston to start descending, descending time position under the effect of the negative pressure of vacuum of the seal cap being arranged on the sealing neck of lower end in negative pressure shell under the effect of self gravitation and in vacuum tank and close the bleed-off passage entering pumping chamber, sealing cone in air outlet valve under the effect of the gravity of self descending time position and seal the inner conical surface of air outlet valve, cut off the outlet passageway of crowded air cavity; Answer magnetic piston when descending, answer magnetic piston to promote the air entering in pumping chamber and make air produce internal pressure, there is the air of pressure capable from continuing after answering the ventilating pit in magnetic piston to enter into answer the upper end of the sealing neck in magnetic piston upwards to wash the sealing of inner sealing surface of annular sealing surface and seal cap open and to make seal cap be shifted, enter in crowded air cavity after the ventilating pit in fixed plug again after the air passing hole on seal cap;

2. according to claim 1 vacuumize high-efficiency, energy-conserving and electromagnetical pump, it is characterised in that: in order to ensure that protecting crust can protect the coil of upper magnet and lower magnet not damaged and keep the shape of protecting crust, in the inner chamber of protecting crust, manufacture the skeleton having support.

3. according to claim 1 vacuumize high-efficiency, energy-conserving and electromagnetical pump, it is characterized in that: adopt and answer magnetic piston to promote the air in the pumping chamber in negative pressure shell to enter in crowded air cavity to enable, the electromagnetic field adopting lower magnet to produce is answered magnetic piston to move down as pulling and the air in pumping chamber is squeezed the power into crowded air cavity.

4. according to claim 1 vacuumize high-efficiency, energy-conserving and electromagnetical pump, it is characterised in that: adopt the teacher position key switch being connected with insulated line to come the connection of junction circuit and the cut-out of controlling magnetic field controller.

5. according to claim 1 vacuumize high-efficiency, energy-conserving and electromagnetical pump, it is characterized in that: the described compact construction vacuumizing high-efficiency, energy-conserving and electromagnetical pump, vibrate little, utilization rate of electrical height, powerful, the electromobile and the internal-combustion engines vehicle that are applicable to vacuum boosting hydraulic brake are installed and used, and also can produce vacuum normally and realize vacuum power-assisted after oil engine shuts down; The market outlook of industrialization are good, commercial value height, manufacture and use all very convenient.

6. one kind vacuumizes the manufacture method of high-efficiency, energy-conserving and electromagnetical pump, it is characterised in that: when manufacturing, protecting crust creates the hollow cavity of annular, and hollow cavity manufactures string holes, and string holes creates the hole allowing insulated line pass; Being provided with in Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell the parts installed in hollow cavity, the inner of the annular housing of hollow cavity is fixed on negative pressure shell;

In order to convenient for assembly, protecting crust is when manufacturing, and after protecting crust is divided into two portions manufacture from annular position, recombinant is together;

The inner chamber of negative pressure shell creates cylindrical cavity, and the cylinder surface of cylindrical cavity creates smooth curved surface; Upper end on the medullary ray of inner chamber manufactures has the centre hole through negative pressure shell, lower end manufacture to have aspirating hole to pass negative pressure shell; The middle part of the lower end in negative pressure shell manufactures sealing neck protruding upward, the upper end of sealing neck creates annular sealing surface, the inside of sealing neck creates aspirating hole, inner sealing surface at seal cap is not communicated with pumping chamber by air passing hole with aspirating hole during ring seal face seal, and the inner sealing surface of seal cap coordinates with the annular sealing surface of sealing neck;

Air outlet valve creates hollow valve body and sealing cone two portions, hollow valve body creates open tube, internal taper hole is manufactured on the middle part of the inner chamber of open tube or middle bottom, and the internal diameter that the upper section of the internal taper hole in open tube the manufactures internal diameter that part manufactures greatly, below is little; The lower end manufacture of hollow valve body has back airtight end-blocking, the lower surface returning airtight end-blocking is manufactured on the lower end of hollow valve body, upper surface creates internal taper hole, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with sealing cone on the inner conical surface of internal taper hole; Described internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The little end of internal taper hole under, hold upper greatly, inner conical surface can be sealed under the effect of the gravity of sealing cone self, can open, by suction, the passage that inner conical surface seals with sealing cone when cone has above suction sealing; Sealing cone air pressure above is more big, and sealing cone is more good with the gluing, sealing effect of inner conical surface; Inner conical surface can be opened when the interior hole of end under hollow valve body enters the air of pressure and form passage with sealing the sealing bored;

For the ease of the processing of negative pressure shell be convenient to accessory to load in negative pressure shell, described negative pressure shell create segmental machining manufacture after molectron; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections of manufactures, the upper section of segmentation place creates pump cover, below part and creates the main body of negative pressure shell, centre hole is manufactured on pump cover, aspirating hole is manufactured on the middle part of the lower end of main body of negative pressure shell, and it is a composite entity that the main body after pump cover and negative pressure shell is combined into after manufacturing; Or, the lower end of the circular cylindrical cavity part in negative pressure shell is divided into two sections of manufactures, the main body that below segmentation place, part creates pump cover, upper section creates negative pressure shell, aspirating hole is manufactured on the middle part of pump cover, centre hole is manufactured on the middle part of the upper end of the main body of negative pressure shell, and it is a composite entity that the main body of pump cover and negative pressure shell is combined into after manufacturing;

Answering magnetic piston to create cylindrical iron core, the periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with wear ring; Described periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell; The cylindrical central portion position of described cylindrical iron core manufactures to have to be run through hole and holds hole, holding the lower surface that iron core is run through in hole, run through hole and run through above iron core, accommodation hole is manufactured on to be run through below hole, hold hole and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole; Described hole of running through creates upper surface, below part that upper section runs through iron core and runs through the top in the accommodation hole of part below iron core, run through part below hole and create ventilating pit, the upper section running through hole creates consent, the sealing neck having annular protruding upward is manufactured in the bottom of consent, the interior hole of sealing neck portion creates the upper section of ventilating pit, manufacturing, between the outer ring surface and the consent of sealing neck portion of sealing neck, the groove having annular, the groove of annular is for holding the capped pipe part of seal cap; The upper surface of described sealing neck creates smooth annular sealing surface, and the periphery of sealing neck creates smooth periphery; Lower end manufacture at cylindrical iron core has the accommodation hole upwards caved in, described accommodation hole creates circular hole that communicate, that upwards cave in ventilating pit, when answering the lower end in magnetic piston arrives negative pressure shell, hold hole and can hold seal cap and seal cap is not collided with answering magnetic piston; Manufacturing on accommodation hole and have ventilating pit, manufacturing above of ventilating pit has consent; Described ventilating pit creates the hole excessively allowing air pass through, and is manufactured on below annular sealing surface, communicates with pumping chamber and consent; Described consent creates installation and the hole of fixing fixed plug, is manufactured on above and outside sealing neck of sealing neck, communicates with crowded air cavity and ventilating pit;

Fixed plug creates the stifled head that there is ventilating pit centre, and described stifled head creates centre the cylinder of through hole or annular collar or jump ring circle, it is possible to the distance that the seal cap that restriction is arranged on the sealing neck answered in magnetic piston moves up; When fixed plug creates the cylinder that there is through hole centre, the fixing employing shrink-fit in consent is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent are fixed or adopted to thread fit; When fixed plug creates annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent are fixed or adopted to the fixing employing shrink-fit in consent; When fixed plug creates jump ring circle, directly jump ring is stuck in consent;

Described annular sealing surface creates the trim of the flat smooth of annular, is manufactured on respectively and answers the upper end of sealing neck of magnetic piston to coordinate with the inner sealing surface of seal cap and be manufactured on the upper end of sealing neck in the middle part of the lower end of the inner chamber of negative pressure shell to coordinate with the inner sealing surface in seal cap;

Described seal cap creates the circular pipe type cap body of top seal, and the inner top of seal cap divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole;

Sealing cone creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the outer conical surface of tapering; Press down and seal inner conical surface by the gravity of sealing cone self when the outer conical surface of sealing cone and inner conical surface seal;

Magnetic control device creates control upper magnet and lower magnet produces the controller of electromagnetic field, control upper magnet and lower magnet produce time of electromagnetic field and after producing the time length of electromagnetic field and producing electromagnetic field every time to the interval time producing electromagnetic field for the second time again;

Upper magnet and lower magnet create the solenoid that can produce electromagnetic field;

Extraction pipe creates the open tube of aspirating hole and the vacuum tank connecting negative pressure shell;

Aspirating hole create air enter negative pressure shell inner chamber through hole, be manufactured on sealing neck position, center; The upper end of the aspirating hole in sealing neck manufactures annular sealing surface, and when not installing seal cap on the annular sealing surface of the sealing neck of end under protecting crust, pumping chamber communicates with aspirating hole;

In order to ensure that protecting crust can protect the coil of upper magnet and lower magnet not damaged and keep the shape of protecting crust, in the inner chamber of protecting crust, manufacture the skeleton having support;

In order to enable to answer magnetic piston to promote the air in the pumping chamber in negative pressure shell to enter in crowded air cavity, the electromagnetic field adopting lower magnet to produce is answered magnetic piston to move down as pulling and the air in pumping chamber is squeezed the power into crowded air cavity;

Being provided with upper magnet and lower magnet in protecting crust, upper magnet is fixed on the upper section outside negative pressure shell, and lower magnet is fixed on part below outside negative pressure shell, and protecting crust is fixed on the outside protection upper magnet of negative pressure shell and the coil of lower magnet; Below the outside of protecting crust, one side is fixed with pin frame, and the lower end of pin frame protects extraction pipe not oppressed lower than the lower end of negative pressure shell, and the lower end of pin frame is fixed on the vehicle frame of automobile; Connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust; Being provided with seal cap in negative pressure shell, answer magnetic piston, fixed plug, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; The sealing neck answering part below the consent in magnetic piston is provided with seal cap, the capped pipe part of seal cap can slide up and down on the periphery of sealing neck, being provided with fixed plug in consent to limit sliding distance when seal cap upwards slides, the fixing employing shrink-fit of fixed plug in consent is fixed or the two ends of the jump-ring slot internal fixtion fixed plug that jump ring is stuck in consent are fixed or adopted to thread fit; The passage bled answered on magnetic piston can be closed when the inner sealing surface that the inner top of seal cap divides coordinates with annular sealing surface and seals, the passage bled answered on magnetic piston when the inner sealing surface that the inner top of seal cap divides separates with annular sealing surface, can be opened; On the periphery of the sealing neck of the lower end in negative pressure shell, cover has seal cap, the periphery of the sealing neck of the lower end of seal cap in negative pressure shell can slide up and down, when seal cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, seal cap has gap in hole with holding; Inner sealing surface in seal cap coordinates, with the annular sealing surface of sealing neck end, the passage bled that can seal or open and enter in negative pressure shell; When answering magnetic upstroke, the lumen portion answering the negative pressure shell of part below magnetic piston is pumping chamber; When answering magnetic descent of piston, the lumen portion answering the negative pressure shell of magnetic piston upper part is crowded air cavity; Being fixed with extraction pipe at the aspirating hole place of the lower end of negative pressure shell, the other end of extraction pipe is connected with vacuum tank, and the interior hole of extraction pipe communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve.