CN105526125A

CN105526125A - Energy-saved and environment-friendly vacuum pump equipment

Info

Publication number: CN105526125A
Application number: CN201610047810.1A
Authority: CN
Inventors: 刘孟
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-25
Filing date: 2016-01-25
Publication date: 2016-04-27

Abstract

The invention discloses energy-saved and environment-friendly vacuum pump equipment, and belongs to the field of vacuum servo of vehicle brake. An upper magnetic field and a lower magnetic field in a protection shell of the energy-saved and environment-friendly vacuum pump equipment are mounted out of a negative-pressure shell; an annular inner end of the protection shell is fixed out of the negative-pressure shell; a gas outlet valve is fixed in a center hole of the negative-pressure shell; a magnetic piston is mounted in the negative-pressure shell; a sealing cone or a sealing ball seals a gas extraction channel of a gas extraction cavity, and a sealing cap seals a gas extraction channel of a gas extrusion cavity; a gas passing limiting plate is fixed in a limiting hole in the upper end of the magnetic piston; a sealing cone or a sealing ball is mounted in an inner conical hole of the magnetic piston; and an accommodating hole is formed in the lower end of the magnetic piston. The energy-saved and environment-friendly vacuum pump equipment is compact in structure, low in vibration, strong in power, high in utilization rate of electric energy, high in vacuum extraction efficiency, suitable for extracting vacuum by a process and installing and using an internal combustion engine-driven vehicle and an electric vehicle, excellent in market prospect and in favor of industrial production.

Description

Energy-conserving and environment-protective vaccum pump unit

Technical field

The present invention relates to a kind of energy-conserving and environment-protective vaccum pump unit for producing vacuum power to the vacuum booster of the brake master cylinder of automobile.

Background technique

The vacuum pump that traditional automobile uses adopts bias to lay eggs formula, lays eggs to produce suction when rotated and carry out bleeding and vacuum.

Summary of the invention

The object that the present invention relates to is to provide a kind of electromagnetic linear to pull piston movement to bleed and the manufacture of vacuum energy-conserving and environment-protective vaccum pump unit and method thereof.

For achieving the above object, energy-conserving and environment-protective vaccum pump unit of the present invention mainly comprises containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, bleeder hole, exhaust tube, sealing cone or ball sealer, sealed cap, limited cap, answers magnetic piston, crosses gas confinement plate, internal taper hole, vent, gas outlet valve, field controller; Or described energy-conserving and environment-protective vaccum pump unit mainly comprises containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, bleeder hole, exhaust tube, sealing cone or ball sealer, sealed cap, limited cap, answers magnetic piston, crosses gas confinement plate, internal taper hole, vent, gas outlet valve, field controller, electronic remote controller.

Magnetic field and lower magnetic field on being provided with in containment vessel, upper magnetic field is fixed on the upper part outside negative pressure shell, and lower magnetic field is fixed on the lower part outside negative pressure shell, and containment vessel is fixed on the upper magnetic field of protection, outside of negative pressure shell and lower magnetic field; Below the outside of containment vessel, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the bleeder hole of negative pressure shell lower end.

In connection, magnetic field is connected with field controller with the circuit in lower magnetic field, and the circuit of field controller is connected with insulated electric conductor, and insulated electric conductor is connected with teacher position key operation, and field controller is arranged in containment vessel; Or; in connection, magnetic field is connected with field controller with the circuit in lower magnetic field; the circuit of field controller is connected with electronic remote controller; electronic remote controller is connected with insulated electric conductor; insulated electric conductor is connected with teacher position key operation, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in containment vessel.

Limited cap, sealing cone or ball sealer are installed in negative pressure shell, answer magnetic piston, sealed cap, cross gas confinement plate, can slide up and down in the inner chamber of answering magnetic piston to be arranged on negative pressure shell; Gas confinement plate was had answering the spacing hole internal fixtion of magnetic piston upper end, the annular sealing surface of the sealing neck end in point compression of answering the upper part of magnetic piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap is being answered point compression of magnetic piston and is being crossed between gas confinement plate and can move up and down, and sealed cap can seal with answering the annular sealing surface of magnetic piston to coordinate or open the bleed-off passage in the squish chamber entered in negative pressure shell; Sealing cone or ball sealer are installed in the internal taper hole in the sealing neck of the lower end in negative pressure shell, limited cap is fixed on the outside of sealing neck by screw thread or jump ring, when limited cap is in the receiving bore of answering the lower end of magnetic piston upwards to cave in, limited cap and receiving bore have gap; Sealing cone or ball sealer coordinate with the internal taper hole in sealing neck and can seal or open the bleed-off passage entered in negative pressure shell; When answering magnetic piston stroking upward, the inner chamber part of answering the negative pressure shell of magnetic piston lower part is pumping chamber; When answering magnetic descent of piston, the inner chamber part of the negative pressure shell of magnetic piston upper part is answered to be squish chamber.Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell, the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with bleeder hole and vacuum tank; Be provided with gas outlet valve in the upper end of negative pressure shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of negative pressure shell.

The material of described containment vessel is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics or the composite material of several types; The material of a type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of hollow valve body and negative pressure shell or the composite material of several types; The material of a type in material employing metal, plastics, nylon and the rubber of sealing cone or ball sealer and sealed cap or the composite material of several types; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction.

Described containment vessel is the hollow cavity of annular, hollow cavity has string holes, is provided with magnetic field, lower magnetic field and field controller in hollow cavity, or, magnetic field, lower magnetic field, field controller and electronic remote controller are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on negative pressure shell; String holes is the hole allowing insulated electric conductor pass.

For the ease of containment vessel processing and be convenient to accessory to load in containment vessel, described containment vessel is the assemblying body after segmentation, and after the annular position of containment vessel is divided into two parts, recombinant is together.

The inner chamber of described negative pressure shell is circular cylindrical cavity, and the cylndrical surface of columniform cavity is smooth curved surface; Upper end on the center line of inner chamber has that center hole passes negative pressure shell, lower end has bleeder hole to superpose the upper and lower end worn out and seal neck and the negative pressure shell sealed below neck with internal taper hole; There is sealing neck protruding upward at the middle part of the lower end in negative pressure shell, and the upper part of the inside of sealing neck is internal taper hole, lower part is bleeder hole, does not install internal taper hole when sealing cone or ball sealer and communicate with bleeder hole in internal taper hole.

Described gas outlet valve comprises hollow valve body and sealing is bored or ball sealer, and hollow valve body is hollow tubular, and internal taper hole is in the middle part of the inner chamber of hollow tubular or middle and lower part, and the internal diameter of the upper part of the internal taper hole in hollow tubular internal diameter that is large, lower part is little; There is return-air sealed end the lower end of hollow valve body, the lower end surface of return-air sealed end in the lower end of hollow valve body, upper-end surface is internal taper hole, the large end of internal taper hole communicates with the upper end of gas outlet valve, small end communicates with the lower end of gas outlet valve, and the inner conical surface of internal taper hole is provided with sealing cone or ball sealer; Can open when being with the air of pressure from the endoporus of hollow valve body lower end inner conical surface with sealing bore or ball sealer sealing and form passage.

For the ease of negative pressure shell processing and be convenient to accessory to load in negative pressure shell, described negative pressure shell is the assemblying body after segmentation; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the main body that the upper part of segmentation place is pump cover, lower part is negative pressure shell, center hole is on pump cover, and bleeder hole is at the middle part of the main body lower end of negative pressure shell, and 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 that the lower part of segmentation place is pump cover, upper part is negative pressure shell, bleeder hole is at the middle part of pump cover, center 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 magnetic piston of answering is columniform iron core, the limited location hole, position of the center line of columniform iron core, point compression, vent and receiving bore; The limited location hole, upper end of columniform iron core is a point compression below spacing hole, and being vent below the middle part of point compression, is receiving bore below vent; The inner ring of point compression is sealing neck, and the inside of sealing neck is one section above of vent, and the annular sealing surface of sealing neck upper end is lower than the upper end of the periphery of point compression; When answering the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of magnetic piston not seal with annular sealing surface, vent communicates with answering the receiving bore of magnetic piston and a point compression; The receiving bore of the oriented upper depression in lower end of columniform iron core, when answering the lower end in magnetic piston arrives negative pressure shell, receiving bore is for holding limited cap and making limited cap not collide with answering magnetic piston; Spacing hole was for fixing gas confinement plate, and point compression is for disperseing the air that passes through and guiding air to enter air passing hole on sealed cap; The periphery of columniform iron core is smooth periphery, and smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Periphery coordinates 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.Described spacing hole is the rounded face of circular hole circular hole is inlayed gas confinement plate stationary plane, and the base ring face of circular hole limited the face that gas confinement plate inlays the degree of depth; A described point compression is divided into two sections, and the upper part of sealing neck is circular hole, and the exterior portion of sealing neck is the groove of ring, and the periphery of the periphery of circular hole and the groove of ring is connected, and circular hole communicates with vent; Described vent is the hole communicated with receiving bore and point compression; The circular hole that described receiving bore communicates with vent, upwards cave in.

Described annular sealing surface is the smooth sealing surface of ring, and annular sealing surface coordinates with the inner sealing surface of sealed cap answering the upper end of sealing neck of magnetic piston.

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

Described internal taper hole is the circular hole having tapering, the face of circular hole is inner conical surface, inner conical surface and the mating spherical surfaces sealing male cone (strobilus masculinus) or the ball sealer of boring, can inner conical surface be sealed under the effect of the gravity of sealing cone or ball sealer self, inner conical surface can be opened with sealing by suction when cone or ball sealer have above suction and bore or the passage of ball face sealing of ball sealer sealing; The air pressure sealed above cone or ball sealer is larger, and the gluing, sealing effect of sealing cone or ball sealer and inner conical surface is better.

Described to cross gas confinement plate be the plate having air passing hole, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole is used for allowing air pass through.

Described sealing cone is cone or cone cylinder, and the periphery of cone or cone cylinder is smooth male cone (strobilus masculinus); The male cone (strobilus masculinus) of sealing cone and inner conical surface press down by the self gravitation sealing conisphere and seal inner conical surface when sealing.

Described ball sealer is spherosome or oval ball, and the periphery of spherosome or oval ball is sealing surface, and sealing surface is smooth sphere; To bore or the self gravitation of ball sealer presses down and seals inner conical surface by sealing when sealing cone or the sphere of ball sealer and inner conical surface seal.

Described limited cap is calotte, and the crown of calotte part has the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance that sealing cone or ball sealer that the inner conical surface in sealing neck is installed move on sealing neck.

Described field controller controls upper magnetic field and lower magnetic field circulate the controller generated an electromagnetic field, control time and the time length generated an electromagnetic field that magnetic field and lower magnetic field electromagnetic field produce and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

Described upper magnetic field and lower magnetic field are the electromagnetic coils that can generate an electromagnetic field.

In order to prevent robber from stealing automobile easily, not having vacuum servo when robber is driven a car and stopping stealing garage is adopt installing remote device between teacher position key operation and field controller to connect and cut off the power-on circuit generated an electromagnetic field; Described electronic remote controller is the switch of the circuit of connecting and cutting off field controller, and comprise the switch sections and electronic telecontrol part that switch on or off circuit, electronic telecontrol part comprises remote controller switch and electronic signal receiver; Remote controller switch is used for driver and carries with, and is convenient to the normal work of pilot control energy-conserving and environment-protective vaccum pump unit and cuts off the control circuit of energy-conserving and environment-protective vaccum pump unit; Described electronic remote controller can have in the present invention, also can not have.

Described exhaust tube connects the bleeder hole of negative pressure shell and the hollow tubular of vacuum tank.

Described bleeder hole be in air enters in negative pressure shell squish chamber through via hole, at the lower part in the center portion of sealing neck, internal taper hole is had above the upper end of the bleeder hole in sealing neck, when not installing sealing cone or ball sealer in the internal taper hole in sealing neck, internal taper hole communicates with bleeder hole and pumping chamber.

The air extracted in vacuum tank is laid in and is waited to press in pumping chamber, extrudes air and produce air pressure and discharge outside negative pressure shell in squish chamber; In squish chamber during exhaust, pumping chamber communicates with squish chamber; When discharging air in squish chamber, pumping chamber is by sealing cone or ball sealer and answer the internal taper hole in magnetic piston seal and disconnect the bleed-off passage entering squish chamber.

Described energy-conserving and environment-protective vaccum pump unit, in the process vacuumized, controls do not have return spring in the one-way check valve of exhaust passage and deaeration passage; When pumping chamber exhaust, the suction of answering magnetic piston stroking upward to produce is opened the sealing of the internal taper hole in the sealing neck of sealing cone or ball sealer and negative pressure shell lower end and opens the passage of exhaust, is arranged on and answers the automatic decline return and the passage of closing the exhaust entered in squish chamber seals under the effect of self gravitation of the sealed cap on the sealing neck of magnetic piston; When squish chamber exhaust, be arranged on the sealing cone of the internal taper hole of gas outlet valve or ball sealer to utilize the air pressure official post outside self gravity and squish chamber and negative pressure shell to seal to bore or ball sealer decline return and the passage of closing the extrusion air on gas outlet valve seals automatically, answer magnetic descent of piston and make in pumping chamber, to produce pressure and promote to be arranged on to answer the up passage then opening the exhaust entered in squish chamber of the sealed cap on the sealing neck of magnetic piston; When giving vent to anger in squish chamber, under the effect of outlet pressure, promote sealing cone on the internal taper hole of gas outlet valve or ball sealer up and open the passage of giving vent to anger of gas outlet valve, be arranged on and answer the sealed cap on the sealing neck of magnetic piston to utilize the gravity of self to make sealed cap decline return and close and answer the passage of the exhaust on magnetic piston to seal automatically.

In order to ensure that energy-conserving and environment-protective vaccum pump unit enough normally works, adopt connection and the cut-out of the power-on circuit of the teacher position key operation controlling magnetic field controller connected with insulated electric conductor; Or, adopt connection and the cut-out of the circuit of teacher position key operation and the electronic remote controller co-controlling field controller connected with insulated electric conductor.

Keep shape in order to ensure containment vessel can protect upper magnetic field and lower magnetic field and be not easy distortion, the cavity of containment vessel manufactures the skeleton having support.

Air in the squish chamber promoting in negative pressure shell to enable to answer magnetic piston enters gas outlet valve, adopts to promote spring and enter power in squish chamber as promoting to answer the magnetic descent of piston air compressed in pumping chamber.

During use, do not have electronic remote controller in circuit, teacher of the opening position key operation directly connects the power-on circuit of insulated electric conductor and field controller; Have electronic remote controller in circuit, press the starting button of remote controller switch after the key of teacher of the opening position, the circuit of electronic remote controller and field controller connected by electronic signal receiver after receiving activating signal; The power-on circuit that upper magnetic field and lower magnetic field are connected in field controller circulation generates an electromagnetic field; The attraction force that upper magnetic field electromagnetic field produces pulls answers magnetic piston to move up, and when answering magnetic piston to start up, is arranged on and answers the sealed cap on the sealing neck of magnetic piston descending and close the bleed-off passage that air enters squish chamber under the effect of the gravity of self; When answering magnetic piston stroking upward, answer the up of magnetic piston and make the air in squish chamber create pressure, have the air of pressure from the endoporus of the sealed end of gas outlet valve lower end enter into internal taper hole in gas outlet valve promote sealing cone or ball sealer up and open the sealing channel of gas outlet valve, make the air in squish chamber enter in air through gas outlet valve; Answer magnetic piston when up, magnetic piston is answered also to make to create pull of vacuum in pumping chamber, sealing cone or the ball sealer of the dynamic internal taper hole be arranged in sealing neck of pull of vacuum suction separate with internal taper hole, air enters exhaust tube and enters into internal taper hole through bleeder hole in vacuum tank, then the air passing hole on limited cap enters in the pumping chamber of answering below magnetic piston in negative pressure shell.

When answering magnetic piston stroking upward to move into place, field controller connects the power-on circuit in lower magnetic field after disconnecting the power-on circuit in upper magnetic field, the electromagnetic field in upper magnetic field disappears, and the electromagnetic field that lower magnetic field produces pulls answers magnetic descent of piston; When answering magnetic piston to start descending, the bleed-off passage entering pumping chamber is closed under the effect of the sealing cone on the internal taper hole in the sealing neck of negative pressure shell lower end or the pull of vacuum of ball sealer under the effect of self gravitation and in vacuum tank, descending return under the effect of the sealing cone in gas outlet valve or the draught head of ball sealer under the effect of the gravity of self and inside and outside negative pressure shell and seal the inner conical surface of gas outlet valve, has cut off the outlet passageway in squish chamber; Answer magnetic piston when descending, the air of answering magnetic piston to promote to enter in pumping chamber and make air produce internal pressure, there is the air of pressure upwards wash the sealing of the inner sealing surface of annular sealing surface and sealed cap open from the upper end of answering the vent of magnetic piston to enter into sealing neck and continue up after sealed cap is shifted, enter in squish chamber after sealed cap with the air passing hole crossed on gas confinement plate.

Descending when putting in place under the pulling of the electromagnetic field of answering magnetic piston to produce in lower magnetic field, answer the sealed cap on the sealing neck of magnetic piston descending and the annular sealing surface of sealing neck upper end is shut and made air not return pumping chamber under the effect of the gravity of self, now, the power-on circuit that field controller connects again magnetic field again generates an electromagnetic field and makes to answer magnetic piston stroking upward; The connection of circulation like this and the power-on circuit in the upper magnet of cut-out and lower magnetic field, magnetic field is generated an electromagnetic field pull to answer magnetic piston stroking upward, electromagnetic field that lower magnetic field produces pulls and answer magnetic descent of piston, constantly from extracting air in vacuum tank, and the air extracted is entered in air.

A manufacture method for energy-conserving and environment-protective vaccum pump unit, is characterized in that:

During fabrication, the material of a type in containment vessel employing metal, plastics, nylon, glass fibre reinforced plastics or the composite material manufacture of several types; Hollow valve body and negative pressure shell adopt the material of a type in metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Sealing cone or ball sealer and sealed cap adopt the material of a type in metal, plastics, nylon and rubber or the composite material manufacture of several types; Magnetic piston is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy.

Containment vessel creates the hollow cavity of annular, and hollow cavity has string holes, and string holes creates the hole allowing insulated electric conductor pass; Magnetic field, lower magnetic field and field controller are installed in hollow cavity, or, magnetic field, lower magnetic field, field controller and electronic remote controller are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on negative pressure shell.

Conveniently assemble, during fabrication, after containment vessel is divided into two-part manufacture from annular position, recombinant together for containment vessel.

The inner chamber of negative pressure shell creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; Upper end on the center line of inner chamber manufacture have through negative pressure shell center hole, lower end manufactures bleeder hole and internal taper hole, bleeder hole superposes the upper and lower end worn out and seal neck and the negative pressure shell sealed below neck with internal taper hole; The middle part of the lower end in negative pressure shell manufactures sealing neck protruding upward, the inside of sealing neck upper part creates internal taper hole, lower part creates bleeder hole, internal taper hole communicates with bleeder hole, and internal taper hole to be bored or ball sealer coordinates with sealing.

Gas outlet valve creates hollow valve body and sealing is bored or ball sealer two-part, hollow valve body creates hollow tubular, internal taper hole is manufactured on middle part or the middle and lower part of the inner chamber of hollow tubular, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow tubular manufactures is large, lower part manufactures is little; The lower end of hollow valve body manufactures return-air sealed end, the lower end surface of return-air sealed end is manufactured on the lower end of hollow valve body, upper-end surface creates internal taper hole, the large end of internal taper hole communicates with the upper end of gas outlet valve, small end communicates with the lower end of gas outlet valve, and the inner conical surface of internal taper hole is provided with sealing cone or ball sealer; Can open when being with the air of pressure from the endoporus of hollow valve body lower end inner conical surface with sealing bore or ball sealer sealing and form passage.

For the ease of negative pressure shell processing and be convenient to accessory to load in negative pressure shell, described negative pressure shell create segmentation processing manufacture after assemblying body; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections of manufactures, the main body that upper part creates pump cover, lower part creates negative pressure shell of segmentation place, center hole is manufactured on pump cover, bleeder hole is manufactured on the middle part of the main body lower end of negative pressure shell, and being combined into after the main body after pump cover and negative pressure shell manufactures is a composite entity; 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 lower part creates pump cover, upper part creates negative pressure shell of segmentation place, bleeder hole is manufactured on the middle part of pump cover, center hole is manufactured on the middle part of the upper end of the main body of negative pressure shell, and being combined into after the main body of pump cover and negative pressure shell manufactures is a composite entity.

Answer magnetic piston to create columniform iron core, the position of the center line of columniform iron core manufactures limited location hole, point compression, vent and receiving bore; The upper end of columniform iron core manufactures limited location hole, and manufacturing below spacing hole has a point compression, and manufacturing below the middle part of point compression has vent, and manufacturing below vent has receiving bore; Divide the inner ring of compression to create sealing neck, the upper end portion of sealing neck creates annular sealing surface, and the upper-end surface of sealing neck creates the upper end of the periphery lower than point compression; When answering the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of magnetic piston not seal with annular sealing surface, vent communicates with answering the receiving bore of magnetic piston and a point compression; The lower end of columniform iron core manufactures the receiving bore of oriented upper depression; The periphery of columniform iron core creates smooth periphery, and smooth periphery manufactures the annular groove having depression, and annular groove is embedded with seal ring; Periphery coordinates 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.Described spacing hole creates circular hole, and the ring surface of circular hole creates inlayed gas confinement plate stationary plane, and the base ring face of circular hole creates and limited the face that gas confinement plate inlays the degree of depth; A described point compression creates two sections, and the upper part of sealing neck creates circular hole, and the exterior portion of sealing neck creates the groove of ring, and the periphery of the periphery of circular hole and the groove of ring creates one, and circular hole communicates with vent; Described vent creates the circular hole communicated with receiving bore and point compression; Described receiving bore creates the circular hole upwards caved in, and communicates with vent.

Described annular sealing surface creates the smooth sealing surface of ring, is manufactured on and answers the upper end of sealing neck of magnetic piston to coordinate with the inner sealing surface of sealed cap.

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

Described internal taper hole creates the circular hole of tapering, the face of circular hole creates inner conical surface, can inner conical surface be sealed under the effect of the gravity of sealing cone or ball sealer self, inner conical surface can be opened with sealing by suction when cone or ball sealer have above suction and bore or the passage of ball face sealing of ball sealer sealing; The air pressure sealed above cone or ball sealer is larger, and the gluing, sealing effect of sealing cone or ball sealer and inner conical surface is better.

Cross the plate that gas confinement plate creates air passing hole, the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole creates the hole allowing air pass through.

Ball sealer creates spherosome or oval ball, and the periphery of spherosome or oval ball creates sealing surface, and sealing surface creates smooth sphere; To bore or the self gravitation of ball sealer presses down and seals inner conical surface by sealing when sealing cone or the sphere of ball sealer and inner conical surface seal.

Sealing cone creates cone or cone cylinder, and the periphery of cone or cone cylinder creates smooth male cone (strobilus masculinus); The male cone (strobilus masculinus) of sealing cone and inner conical surface press down by the self gravitation sealing conisphere and seal inner conical surface when sealing.

Limited cap creates calotte, and the crown of calotte part manufactures the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance that sealing cone or ball sealer that the inner conical surface in sealing neck is installed move on sealing neck.

Field controller creates and controls upper magnetic field and lower magnetic field and circulate the controller generated an electromagnetic field, control time and the time length generated an electromagnetic field that magnetic field and lower magnetic field electromagnetic field produce and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

Described upper magnetic field and lower magnetic field create the electromagnetic coil that can generate an electromagnetic field.

In order to prevent robber from stealing automobile easily, not having vacuum servo when robber is driven a car and stopping stealing garage is adopt installing remote device between teacher position key operation and field controller to connect and cut off the power-on circuit generated an electromagnetic field; Described electronic remote controller creates the switch of the circuit of connecting and cutting off field controller, and comprise the switch sections and electronic telecontrol part that switch on or off circuit, electronic telecontrol part comprises remote controller switch and electronic signal receiver; Described electronic remote controller can have in the present invention, also can not have.

Exhaust tube creates and connects the bleeder hole of negative pressure shell and the hollow tubular of vacuum tank.

Bleeder hole create in squish chamber that air enters in negative pressure shell through via hole, be manufactured on the lower part in the center portion of sealing neck, manufacture above the upper end of the bleeder hole in sealing neck and have internal taper hole, when not installing sealing cone or ball sealer in the internal taper hole in sealing neck, internal taper hole communicates with bleeder hole and pumping chamber.

Magnetic field and lower magnetic field on being provided with in containment vessel, upper magnetic field is fixed on the upper part outside negative pressure shell, and lower magnetic field is fixed on the lower part outside negative pressure shell, and containment vessel is fixed on the upper magnetic field of protection, outside of negative pressure shell and lower magnetic field; Below the outside of containment vessel, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the bleeder hole of negative pressure shell lower end.In connection, magnetic field is connected with field controller with the circuit in lower magnetic field, and the circuit of field controller is connected with insulated electric conductor, and insulated electric conductor is connected with teacher position key operation, and field controller is arranged in containment vessel; Or; in connection, magnetic field is connected with field controller with the circuit in lower magnetic field; the circuit of field controller is connected with electronic remote controller; electronic remote controller is connected with insulated electric conductor; insulated electric conductor is connected with teacher position key operation, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in containment vessel.Limited cap, sealing cone or ball sealer are installed in negative pressure shell, answer magnetic piston, sealed cap, cross gas confinement plate, can slide up and down in the inner chamber of answering magnetic piston to be arranged on negative pressure shell; Gas confinement plate was had answering the spacing hole internal fixtion of magnetic piston upper end, the annular sealing surface of the sealing neck end in point compression of answering the upper part of magnetic piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap is being answered point compression of magnetic piston and is being crossed between gas confinement plate and can move up and down, and sealed cap can seal with answering the annular sealing surface of magnetic piston to coordinate or open the bleed-off passage in the squish chamber entered in negative pressure shell; Sealing cone or ball sealer are installed in the internal taper hole in the sealing neck of the lower end in negative pressure shell, limited cap is fixed on the outside of sealing neck by screw thread or jump ring, when limited cap is in the receiving bore of answering the lower end of magnetic piston upwards to cave in, limited cap and receiving bore have gap; Sealing cone or ball sealer coordinate with the internal taper hole in sealing neck and can seal or open the bleed-off passage entered in negative pressure shell; When answering magnetic piston stroking upward, the inner chamber part of answering the negative pressure shell of magnetic piston lower part is pumping chamber; When answering magnetic descent of piston, the inner chamber part of the negative pressure shell of magnetic piston upper part is answered to be squish chamber.Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell, the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with bleeder hole and vacuum tank; Be provided with gas outlet valve in the upper end of negative pressure shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of negative pressure shell.

The compact structure of energy-conserving and environment-protective vaccum pump unit of the present invention, vibrate little, powerful, utilization rate of electrical are high, the efficiency of extracting vacuum is high, is suitable for oil-engine driven automobile and electric vehicle is installed and used; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

Accompanying drawing explanation

Fig. 1 and Fig. 2 is the structural representation of energy-conserving and environment-protective vaccum pump unit.

Fig. 3 is the structural representation of answering magnetic piston.

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

Shown in figure: negative pressure shell 1, answer magnetic piston 2, cross gas confinement plate 3, air passing hole 4, hollow valve body 5, sealing cone or ball sealer 6, sealed cap 7, upper magnetic field 8, lower magnetic field 9, containment vessel 10, foot rest 11, limited cap 12, exhaust tube 13, vent 16, spacing hole 17, annular sealing surface 18, point compression 19, receiving bore 21, base ring face 25.

Embodiment

Energy-conserving and environment-protective vaccum pump unit of the present invention mainly comprises containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, bleeder hole, exhaust tube, sealing cone or ball sealer, sealed cap, limited cap, answers magnetic piston, crosses gas confinement plate, internal taper hole, vent, gas outlet valve, field controller; Or comprise containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, bleeder hole, exhaust tube, sealing cone or ball sealer, sealed cap, limited cap, answer magnetic piston, cross gas confinement plate, internal taper hole, vent, gas outlet valve, field controller, electronic remote controller.

Claims

1. an energy-conserving and environment-protective vaccum pump unit, is characterized in that: described energy-conserving and environment-protective vaccum pump unit comprises containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, bleeder hole, exhaust tube, ball sealer, sealed cap, limited cap, answers magnetic piston, crosses gas confinement plate, internal taper hole, vent, gas outlet valve, field controller;

Magnetic field and lower magnetic field on being provided with in containment vessel, upper magnetic field is fixed on the upper part outside negative pressure shell, and lower magnetic field is fixed on the lower part outside negative pressure shell, and containment vessel is fixed on the upper magnetic field of protection, outside of negative pressure shell and lower magnetic field; Below the outside of containment vessel, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the bleeder hole of negative pressure shell lower end;

In connection, magnetic field is connected with field controller with the circuit in lower magnetic field, and the circuit of field controller is connected with insulated electric conductor, and insulated electric conductor is connected with teacher position key operation, and field controller is arranged in containment vessel;

Limited cap, ball sealer are installed in negative pressure shell, answer magnetic piston, sealed cap, cross gas confinement plate, can slide up and down in the inner chamber of answering magnetic piston to be arranged on negative pressure shell; Gas confinement plate was had answering the spacing hole internal fixtion of magnetic piston upper end, the annular sealing surface of the sealing neck end in point compression of answering the upper part of magnetic piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap is being answered point compression of magnetic piston and is being crossed between gas confinement plate and can move up and down, and sealed cap can seal with answering the annular sealing surface of magnetic piston to coordinate or open the bleed-off passage in the squish chamber entered in negative pressure shell; Be provided with ball sealer in internal taper hole in the sealing neck of the lower end in negative pressure shell, limited cap is fixed on the outside of sealing neck by screw thread or jump ring, and when limited cap is in the receiving bore of answering the lower end of magnetic piston upwards to cave in, limited cap and receiving bore have gap; Ball sealer coordinates with the internal taper hole in sealing neck and can seal or open the bleed-off passage entered in negative pressure shell; When answering magnetic piston stroking upward, the inner chamber part of answering the negative pressure shell of magnetic piston lower part is pumping chamber; When answering magnetic descent of piston, the inner chamber part of the negative pressure shell of magnetic piston upper part is answered to be squish chamber; Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell, the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with bleeder hole and vacuum tank; Be provided with gas outlet valve in the upper end of negative pressure shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of negative pressure shell;

The material of described containment vessel is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics or the composite material of several types; The material of a type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of hollow valve body and negative pressure shell or the composite material of several types; The material of a type in material employing metal, plastics, nylon and the rubber of ball sealer and sealed cap or the composite material of several types; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction;

Described containment vessel is the hollow cavity of annular, hollow cavity has string holes, is provided with magnetic field, lower magnetic field and field controller in hollow cavity; The inner of the annular housing of hollow cavity is fixed on negative pressure shell; String holes is the hole allowing insulated electric conductor pass;

For the ease of containment vessel processing and be convenient to accessory to load in containment vessel, described containment vessel is the assemblying body after segmentation, and after the annular position of containment vessel is divided into two parts, recombinant is together;

The inner chamber of described negative pressure shell is circular cylindrical cavity, and the cylndrical surface of columniform cavity is smooth curved surface; Upper end on the center line of inner chamber has that center hole passes negative pressure shell, lower end has bleeder hole to superpose the upper and lower end worn out and seal neck and the negative pressure shell sealed below neck with internal taper hole; There is sealing neck protruding upward at the middle part of the lower end in negative pressure shell, and the upper part of inside of sealing neck is internal taper hole, lower part is bleeder hole, and when not installing ball sealer in internal taper hole, internal taper hole communicates with bleeder hole;

Described gas outlet valve comprises hollow valve body and ball sealer, and hollow valve body is hollow tubular, and internal taper hole is in the middle part of the inner chamber of hollow tubular or middle and lower part, and the internal diameter of the upper part of the internal taper hole in hollow tubular internal diameter that is large, lower part is little; There is return-air sealed end the lower end of hollow valve body, the lower end surface of return-air sealed end in the lower end of hollow valve body, upper-end surface is internal taper hole, the large end of internal taper hole communicates with the upper end of gas outlet valve, small end communicates with the lower end of gas outlet valve, and the inner conical surface of internal taper hole is provided with ball sealer; The sealing of inner conical surface and ball sealer can be opened when being with the air of pressure from the endoporus of hollow valve body lower end and form passage;

For the ease of negative pressure shell processing and be convenient to accessory to load in negative pressure shell, described negative pressure shell is the assemblying body after segmentation; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the main body that the upper part of segmentation place is pump cover, lower part is negative pressure shell, center hole is on pump cover, and bleeder hole is at the middle part of the main body lower end of negative pressure shell, and 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 that the lower part of segmentation place is pump cover, upper part is negative pressure shell, bleeder hole is at the middle part of pump cover, center 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 magnetic piston of answering is columniform iron core, the limited location hole, position of the center line of columniform iron core, point compression, vent and receiving bore; The limited location hole, upper end of columniform iron core is a point compression below spacing hole, and being vent below the middle part of point compression, is receiving bore below vent; The inner ring of point compression is sealing neck, and the inside of sealing neck is one section above of vent, and the annular sealing surface of sealing neck upper end is lower than the upper end of the periphery of point compression; When answering the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of magnetic piston not seal with annular sealing surface, vent communicates with answering the receiving bore of magnetic piston and a point compression; The receiving bore of the oriented upper depression in lower end of columniform iron core, when answering the lower end in magnetic piston arrives negative pressure shell, receiving bore is for holding limited cap and making limited cap not collide with answering magnetic piston; Spacing hole was for fixing gas confinement plate, and point compression is for disperseing the air that passes through and guiding air to enter air passing hole on sealed cap; The periphery of columniform iron core is smooth periphery, and smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Periphery coordinates 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; Described spacing hole is the rounded face of circular hole circular hole is inlayed gas confinement plate stationary plane, and the base ring face of circular hole limited the face that gas confinement plate inlays the degree of depth; A described point compression is divided into two sections, and the upper part of sealing neck is circular hole, and the exterior portion of sealing neck is the groove of ring, and the periphery of the periphery of circular hole and the groove of ring is connected, and circular hole communicates with vent; Described vent is the hole communicated with receiving bore and point compression; The circular hole that described receiving bore communicates with vent, upwards cave in;

Described annular sealing surface is the smooth sealing surface of ring, and annular sealing surface coordinates with the inner sealing surface of sealed cap answering the upper end of sealing neck of magnetic piston;

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

Described internal taper hole is the circular hole having tapering, the face of circular hole is inner conical surface, the mating spherical surfaces of inner conical surface and ball sealer, can inner conical surface be sealed under the effect of the gravity of ball sealer self, the passage of the ball face sealing of inner conical surface and ball sealer when having suction on ball sealer, can be opened by suction; Air pressure above ball sealer is larger, and the gluing, sealing effect of ball sealer and inner conical surface is better;

Described to cross gas confinement plate be the plate having air passing hole, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole is used for allowing air pass through;

Described ball sealer is spherosome or oval ball, and the periphery of spherosome or oval ball is sphere, and sphere is sealing surface; Self gravitation by ball sealer when the sphere of ball sealer and inner conical surface seal presses down and seals inner conical surface;

Described limited cap is calotte, and the crown of calotte part has the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance that ball sealer that the inner conical surface in sealing neck is installed moves on sealing neck;

Described field controller controls upper magnetic field and lower magnetic field circulate the controller generated an electromagnetic field, control time and the time length generated an electromagnetic field that magnetic field and lower magnetic field electromagnetic field produce and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time;

Described upper magnetic field and lower magnetic field are the electromagnetic coils that can generate an electromagnetic field;

Described exhaust tube connects the bleeder hole of negative pressure shell and the hollow tubular of vacuum tank;

Described bleeder hole be in air enters in negative pressure shell squish chamber through via hole, at the lower part in the center portion of sealing neck, internal taper hole is had above the upper end of the bleeder hole in sealing neck, when not installing ball sealer in the internal taper hole in sealing neck, internal taper hole communicates with bleeder hole and pumping chamber;

The air extracted in vacuum tank is laid in and is waited to press in pumping chamber, extrudes air and produce air pressure and discharge outside negative pressure shell in squish chamber; In squish chamber during exhaust, pumping chamber communicates with squish chamber; When discharging air in squish chamber, pumping chamber is by ball sealer and answer the internal taper hole in magnetic piston to seal and disconnect the bleed-off passage entering squish chamber;

Described energy-conserving and environment-protective vaccum pump unit, in the process vacuumized, controls do not have return spring in the one-way check valve of exhaust passage and deaeration passage; When pumping chamber exhaust, the suction of answering magnetic piston stroking upward to produce is opened the sealing of the internal taper hole in the sealing neck of ball sealer and negative pressure shell lower end and is opened the passage of exhaust, is arranged on and answers the sealed cap on the sealing neck of magnetic piston automatic decline return and passage of closing the exhaust entered in squish chamber under the effect of self gravitation to seal; When squish chamber exhaust, the ball sealer being arranged on the internal taper hole of gas outlet valve utilizes the gravity of self to make ball sealer decline return and the passage of closing the extrusion air on gas outlet valve seals automatically, answers magnetic descent of piston and makes to produce pressure in pumping chamber and promote to be arranged on to answer the up passage then opening the exhaust entered in squish chamber of the sealed cap on the sealing neck of magnetic piston; When giving vent to anger in squish chamber, under the effect of outlet pressure, promote ball sealer on the internal taper hole of gas outlet valve up and open the passage of giving vent to anger of gas outlet valve, be arranged on and answer the sealed cap on the sealing neck of magnetic piston to utilize the gravity of self to make sealed cap decline return and close and answer the passage of the exhaust on magnetic piston to seal automatically;

During use, the power-on circuit of insulated electric conductor and field controller connected by teacher of the opening position key operation, and the power-on circuit that upper magnetic field and lower magnetic field are connected in field controller circulation generates an electromagnetic field; The attraction force that upper magnetic field electromagnetic field produces pulls answers magnetic piston to move up, and when answering magnetic piston to start up, is arranged on and answers the sealed cap on the sealing neck of magnetic piston descending and close the bleed-off passage that air enters squish chamber under the effect of the gravity of self; When answering magnetic piston stroking upward, answer the up of magnetic piston and make the air in squish chamber create pressure, having the air of pressure to enter into internal taper hole in gas outlet valve from the endoporus of the sealed end of gas outlet valve lower end, to promote ball sealer up and open the sealing channel of gas outlet valve, makes the air in squish chamber enter in air through gas outlet valve; Answer magnetic piston when up, magnetic piston is answered also to make to create pull of vacuum in pumping chamber, the ball sealer that pull of vacuum inhales the dynamic internal taper hole be arranged in sealing neck separates with internal taper hole, air enters exhaust tube and enters into internal taper hole through bleeder hole in vacuum tank, then the air passing hole on limited cap enters in the pumping chamber of answering below magnetic piston in negative pressure shell;

When answering magnetic piston stroking upward to move into place, field controller connects the power-on circuit in lower magnetic field after disconnecting the power-on circuit in upper magnetic field, the electromagnetic field in upper magnetic field disappears, and the electromagnetic field that lower magnetic field produces pulls answers magnetic descent of piston; When answering magnetic piston to start descending, the bleed-off passage entering pumping chamber is closed under the effect of the pull of vacuum of ball sealer under the effect of self gravitation and in vacuum tank on the internal taper hole in the sealing neck of negative pressure shell lower end, descending return under the effect of the draught head of the ball sealer in gas outlet valve under the effect of the gravity of self and inside and outside negative pressure shell and seal the inner conical surface of gas outlet valve, has cut off the outlet passageway in squish chamber; Answer magnetic piston when descending, the air of answering magnetic piston to promote to enter in pumping chamber and make air produce internal pressure, there is the air of pressure upwards wash the sealing of the inner sealing surface of annular sealing surface and sealed cap open from the upper end of answering the vent of magnetic piston to enter into sealing neck and continue up after sealed cap is shifted, enter in squish chamber after sealed cap with the air passing hole crossed on gas confinement plate;

2. energy-conserving and environment-protective vaccum pump unit according to claim 1, it is characterized in that: the air in the squish chamber promoting in negative pressure shell to enable to answer magnetic piston enters gas outlet valve, adopting and promoting spring and enter power in squish chamber as promoting to answer the magnetic descent of piston air compressed in pumping chamber.

3. energy-conserving and environment-protective vaccum pump unit according to claim 1, is characterized in that: keep shape in order to ensure containment vessel can protect upper magnetic field and lower magnetic field and be not easy distortion, the cavity of containment vessel manufactures the skeleton having support.

4. energy-conserving and environment-protective vaccum pump unit according to claim 1, is characterized in that: in order to ensure that energy-conserving and environment-protective vaccum pump unit enough normally works, and adopts connection and the cut-out of the power-on circuit of the teacher position key operation controlling magnetic field controller connected with insulated electric conductor.

5. energy-conserving and environment-protective vaccum pump unit according to claim 1, it is characterized in that: the compact structure of described energy-conserving and environment-protective vaccum pump unit, vibrate little, powerful, utilization rate of electrical are high, the efficiency of extracting vacuum is high, is suitable for oil-engine driven automobile and electric vehicle is installed and used; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

6. a manufacture method for energy-conserving and environment-protective vaccum pump unit, is characterized in that: during fabrication, the material of a type in containment vessel employing metal, plastics, nylon, glass fibre reinforced plastics or the composite material manufacture of several types; Hollow valve body and negative pressure shell adopt the material of a type in metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Ball sealer and sealed cap adopt the material of a type in metal, plastics, nylon and rubber or the composite material manufacture of several types; Magnetic piston is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy;

Containment vessel creates the hollow cavity of annular, and hollow cavity has string holes, and string holes creates the hole allowing insulated electric conductor pass; Magnetic field, lower magnetic field and field controller are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on negative pressure shell;

Conveniently assemble, during fabrication, after containment vessel is divided into two-part manufacture from annular position, recombinant together for containment vessel;

The inner chamber of negative pressure shell creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; Upper end on the center line of inner chamber manufacture have through negative pressure shell center hole, lower end manufactures bleeder hole and internal taper hole, bleeder hole superposes the upper and lower end worn out and seal neck and the negative pressure shell sealed below neck with internal taper hole; The middle part of the lower end in negative pressure shell manufactures sealing neck protruding upward, the inside of sealing neck upper part creates internal taper hole, lower part creates bleeder hole, internal taper hole communicates with bleeder hole, and internal taper hole coordinates with ball sealer;

Gas outlet valve creates hollow valve body and ball sealer two-part, hollow valve body creates hollow tubular, internal taper hole is manufactured on middle part or the middle and lower part of the inner chamber of hollow tubular, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow tubular manufactures is large, lower part manufactures is little; The lower end of hollow valve body manufactures return-air sealed end, the lower end surface of return-air sealed end is manufactured on the lower end of hollow valve body, upper-end surface creates internal taper hole, the large end of internal taper hole communicates with the upper end of gas outlet valve, small end communicates with the lower end of gas outlet valve, and the inner conical surface of internal taper hole is provided with ball sealer; The sealing of inner conical surface and ball sealer can be opened when being with the air of pressure from the endoporus of hollow valve body lower end and form passage;

For the ease of negative pressure shell processing and be convenient to accessory to load in negative pressure shell, described negative pressure shell create segmentation processing manufacture after assemblying body; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections of manufactures, the main body that upper part creates pump cover, lower part creates negative pressure shell of segmentation place, center hole is manufactured on pump cover, bleeder hole is manufactured on the middle part of the main body lower end of negative pressure shell, and being combined into after the main body after pump cover and negative pressure shell manufactures is a composite entity; 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 lower part creates pump cover, upper part creates negative pressure shell of segmentation place, bleeder hole is manufactured on the middle part of pump cover, center hole is manufactured on the middle part of the upper end of the main body of negative pressure shell, and being combined into after the main body of pump cover and negative pressure shell manufactures is a composite entity;

Answer magnetic piston to create columniform iron core, the position of the center line of columniform iron core manufactures limited location hole, point compression, vent and receiving bore; The upper end of columniform iron core manufactures limited location hole, and manufacturing below spacing hole has a point compression, and manufacturing below the middle part of point compression has vent, and manufacturing below vent has receiving bore; Divide the inner ring of compression to create sealing neck, the upper end portion of sealing neck creates annular sealing surface, and the upper-end surface of sealing neck creates the upper end of the periphery lower than point compression; When answering the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of magnetic piston not seal with annular sealing surface, vent communicates with answering the receiving bore of magnetic piston and a point compression; The lower end of columniform iron core manufactures the receiving bore of oriented upper depression; The periphery of columniform iron core creates smooth periphery, and smooth periphery manufactures the annular groove having depression, and annular groove is embedded with seal ring; Periphery coordinates 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; Described spacing hole creates circular hole, and the ring surface of circular hole creates inlayed gas confinement plate stationary plane, and the base ring face of circular hole creates and limited the face that gas confinement plate inlays the degree of depth; A described point compression creates two sections, and the upper part of sealing neck creates circular hole, and the exterior portion of sealing neck creates the groove of ring, and the periphery of the periphery of circular hole and the groove of ring creates one, and circular hole communicates with vent; Described vent creates the circular hole communicated with receiving bore and point compression; Described receiving bore creates the circular hole upwards caved in, and communicates with vent;

Described annular sealing surface creates the smooth sealing surface of ring, is manufactured on and answers the upper end of sealing neck of magnetic piston to coordinate with the inner sealing surface of sealed cap;

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

Described internal taper hole creates the circular hole of tapering, the face of circular hole creates inner conical surface, can inner conical surface be sealed under the effect of the gravity of ball sealer self, the passage of the ball face sealing of inner conical surface and ball sealer when having suction on ball sealer, can be opened by suction; Air pressure above ball sealer is larger, and the gluing, sealing effect of ball sealer and inner conical surface is better;

Cross the plate that gas confinement plate creates air passing hole, the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole creates the hole allowing air pass through;

Ball sealer creates spherosome or oval ball, and the periphery of spherosome or oval ball creates sealing surface, and sealing surface creates sphere; Self gravitation by ball sealer when the sphere of ball sealer and inner conical surface seal presses down and seals inner conical surface;

Limited cap creates calotte, and the crown of calotte part manufactures the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance that ball sealer that the inner conical surface in sealing neck is installed moves on sealing neck;

Field controller creates and controls upper magnetic field and lower magnetic field and circulate the controller generated an electromagnetic field, control time and the time length generated an electromagnetic field that magnetic field and lower magnetic field electromagnetic field produce and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time;

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

Exhaust tube creates and connects the bleeder hole of negative pressure shell and the hollow tubular of vacuum tank;

Bleeder hole create in squish chamber that air enters in negative pressure shell through via hole, be manufactured on the lower part in the center portion of sealing neck, manufacture above the upper end of the bleeder hole in sealing neck and have internal taper hole, when not installing ball sealer in the internal taper hole in sealing neck, internal taper hole communicates with bleeder hole and pumping chamber;

In order to ensure that energy-conserving and environment-protective vaccum pump unit enough normally works, adopt connection and the cut-out of the power-on circuit of the teacher position key operation controlling magnetic field controller connected with insulated electric conductor;

Keep shape in order to ensure containment vessel can protect upper magnetic field and lower magnetic field and be not easy distortion, the cavity of containment vessel manufactures the skeleton having support;

Air in the squish chamber promoting in negative pressure shell to enable to answer magnetic piston enters gas outlet valve, adopts to promote spring and enter power in squish chamber as promoting to answer the magnetic descent of piston air compressed in pumping chamber;

Magnetic field and lower magnetic field on being provided with in containment vessel, upper magnetic field is fixed on the upper part outside negative pressure shell, and lower magnetic field is fixed on the lower part outside negative pressure shell, and containment vessel is fixed on the upper magnetic field of protection, outside of negative pressure shell and lower magnetic field; Below the outside of containment vessel, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the bleeder hole of negative pressure shell lower end; In connection, magnetic field is connected with field controller with the circuit in lower magnetic field, and the circuit of field controller is connected with insulated electric conductor, and insulated electric conductor is connected with teacher position key operation, and field controller is arranged in containment vessel; Limited cap, ball sealer are installed in negative pressure shell, answer magnetic piston, sealed cap, cross gas confinement plate, can slide up and down in the inner chamber of answering magnetic piston to be arranged on negative pressure shell; Gas confinement plate was had answering the spacing hole internal fixtion of magnetic piston upper end, the annular sealing surface of the sealing neck end in point compression of answering the upper part of magnetic piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap is being answered point compression of magnetic piston and is being crossed between gas confinement plate and can move up and down, and sealed cap can seal with answering the annular sealing surface of magnetic piston to coordinate or open the bleed-off passage in the squish chamber entered in negative pressure shell; Be provided with ball sealer in internal taper hole in the sealing neck of the lower end in negative pressure shell, limited cap is fixed on the outside of sealing neck by screw thread or jump ring, and when limited cap is in the receiving bore of answering the lower end of magnetic piston upwards to cave in, limited cap and receiving bore have gap; Ball sealer coordinates with the internal taper hole in sealing neck and can seal or open the bleed-off passage entered in negative pressure shell; When answering magnetic piston stroking upward, the inner chamber part of answering the negative pressure shell of magnetic piston lower part is pumping chamber; When answering magnetic descent of piston, the inner chamber part of the negative pressure shell of magnetic piston upper part is answered to be squish chamber; Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell, the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with bleeder hole and vacuum tank; Be provided with gas outlet valve in the upper end of negative pressure shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of negative pressure shell.