CN105569986A

CN105569986A - Safe and environment-friendly vacuum device

Info

Publication number: CN105569986A
Application number: CN201610043595.8A
Authority: CN
Inventors: 徐園植
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-24
Filing date: 2016-01-24
Publication date: 2016-05-11

Abstract

The invention discloses a safe and environment-friendly vacuum device and belongs to the field of vacuum servo of automobile braking. A negative-pressure shell and an electromagnetic coil are arranged in a protection shell of the safe and environment-friendly vacuum device, and the electromagnetic coil is arranged outside the negative-pressure shell. The lower end of the negative-pressure shell is fixed in the protection shell. A gas outlet valve is fixed in a center hole of the negative-pressure shell. An iron core spring and an iron core piston are arranged in the negative-pressure shell. The iron core spring is pressed on the iron core piston. A gas pumping channel of a gas pumping cavity is sealed through a porous sealing plate, and a gas pumping channel of a gas extruding cavity is sealed through a sealing cap. A gas distribution limiting plate is fixed in a limiting hole in the upper end of the iron core piston. A sealing cap is installed on the annular sealing face of the iron core piston. The safe and environment-friendly vacuum device is compact in structure, low in vibration, high in electric energy utilization rate, high in power, high in vacuum pumping efficiency and suitable for installation and use of automobiles driven by internal combustion engines and electric automobiles.

Description

Vacuum safety environmental protecting device

Technical field

The present invention relates to a kind of vacuum safety environmental protecting device 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 vacuum safety environmental protecting device and method thereof.

For achieving the above object, vacuum safety environmental protecting device of the present invention mainly comprise protecting crust, electromagnetic coil, negative pressure shell, bleeder hole, porose sealing plate, sealed cap, sealing cone or ball sealer, iron core spring, ferrite core piston, point gas confinement plate, internal taper hole, vent, gas outlet valve, field controller; Or, described vacuum safety environmental protecting device mainly comprise protecting crust, electromagnetic coil, negative pressure shell, bleeder hole, porose sealing plate, sealed cap, sealing cone or ball sealer, iron core spring, ferrite core piston, point gas confinement plate, internal taper hole, vent, gas outlet valve, field controller, electronic remote controller.

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside negative pressure shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of negative pressure shell; Below the outside of protecting crust, 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.

The circuit connecting electromagnetic coil is connected with field controller, 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 protecting crust; Or, the circuit connecting electromagnetic coil is connected with field controller, 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 protecting crust.

Be provided with in negative pressure shell porose sealing plate, iron core spring, ferrite core piston, sealed cap, point gas confinement plate, iron core spring fitting is at the upper part of the inner chamber of negative pressure shell, ferrite core piston is arranged on the lower part of the inner chamber of negative pressure shell, the upper end portion or be pressed in that iron core spring is pressed in ferrite core piston is fixed on point gas confinement plate of ferrite core piston upper end portion, and ferrite core piston can slide up and down in the inner chamber of negative pressure shell; A point gas confinement plate is had at the spacing hole internal fixtion of ferrite core piston upper end, the annular sealing surface of the sealing neck end in point compression of the upper part of ferrite core piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap can move up and down between point compression and point gas confinement plate of ferrite core piston, and sealed cap coordinates the bleed-off passage that can seal or open the squish chamber entered in negative pressure shell with the annular sealing surface of ferrite core piston; At the inside lower part of negative pressure shell, the protrusion platform sealing of porose sealing plate with the lower end in negative pressure shell is installed; Porose sealing plate coordinates with the annular sealing surface protruding platform and can seal or open the bleed-off passage entered in negative pressure shell; When ferrite core piston is up, the inner chamber part of the negative pressure shell of ferrite core piston lower part is pumping chamber; When ferrite core piston is descending, the inner chamber part of the negative pressure shell of ferrite core piston upper part is 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 protecting crust 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 sealed cap, 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 and ball sealer or the composite material of several types; Porose sealing plate material adopt the material of a type in metal, plastics, nylon and glass fibre reinforced plastics or the composite material of several types; The material of ferrite core piston is the material of the hard to bear magnetic field suction of energy.

Described protecting crust is the hollow cavity of annular, hollow cavity has string holes, is provided with electromagnetic coil and field controller in hollow cavity, or, electromagnetic coil, 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 protecting crust processing and be convenient to accessory to load in protecting crust, described protecting crust is the assemblying body 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 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 pass negative pressure shell; There is protrusion platform protruding upward at the middle part of the lower end in negative pressure shell, the upper end portion of protruding platform is annular sealing surface, the inside of protruding platform is bleeder hole, communicate with bleeder hole protruding the pumping chamber time in that porose sealing plate not being installed in the upper end portion of platform in negative pressure shell, the annular sealing surface protruding platform and porose sealing plate below simultaneously coordinate; Described annular sealing surface is smooth, smooth planar annular, coordinates respectively and the upper end of protrusion platform in negative pressure shell coordinates with the sealing surface below porose sealing plate in the upper end of sealing neck of ferrite core piston with the inner sealing surface of sealed cap.

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 gas 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 ferrite core piston 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, is vent below the middle part of point compression; The inner ring of point compression is sealing neck, and the inside of sealing neck is one section above of vent, and the upper end of sealing neck is annular sealing surface, and annular sealing surface is lower than the upper end of the periphery of point compression; When the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of ferrite core piston does not seal with annular sealing surface, vent communicates with a point compression with the receiving bore of ferrite core piston lower end; Spacing hole is used for a fixing point of gas confinement plate, and point pore is for disperseing the gas that passes through and guiding gas to enter air passing hole on point gas confinement plate; 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 inlay a point gas confinement plate stationary plane, and the annular bottom surface of circular hole is the face that restriction point gas confinement plate inlays the degree of depth; A described point compression is divided into two sections, and the part above 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 pumping chamber and point compression.

Described annular sealing surface is the smooth sealing surface of ring, and annular sealing surface coordinates with the inner sealing surface of sealed cap in the upper end of sealing neck of ferrite core piston respectively and the upper end of protrusion platform in negative pressure shell coordinates with the sealing surface below porose sealing plate.

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.

A described point of gas confinement plate has the plate of air passing hole or meshed spacing net, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole and mesh are 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 porose sealing plate is circular flat board, and the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform is sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates has passing hole; Porose sealing plate sealing surface be used for and protrude the annular sealing surface of platform upper end and coordinate, passing hole is used for allowing air pass through.

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 field controller controls the controller that generates an electromagnetic field of electromagnetic coil, control time and the time length generated an electromagnetic field that electromagnetic field produces and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

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 connects and cuts off the circuit switch generated an electromagnetic field, 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 vacuum safety environmental protecting device and cuts off the control circuit of vacuum safety environmental protecting device; 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 air enter the inner chamber of negative pressure shell through air passing hole, protruding the center portion of platform, bleeder hole communicates with the inner chamber of negative pressure shell.

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; In squish chamber during deaeration, pumping chamber is sealed by the internal taper hole in sealing cone or ball sealer and ferrite core piston and is disconnected the bleed-off passage entering squish chamber.

Described vacuum safety environmental protecting device, 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 the up generation of ferrite core piston is opened porose sealing plate and is opened the passage of exhaust with the sealing of protruding platform, is arranged on sealed cap on the sealing neck in ferrite core piston automatic decline return and the passage of closing the exhaust entered in squish chamber seals under the effect of self gravitation; 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 discharge air on gas outlet valve seals automatically, ferrite core piston is descending and make to produce pressure in pumping chamber and promote sealing cone or the up passage then opening the exhaust entered in squish chamber of ball sealer; When extruding air 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 the discharge air of gas outlet valve, the sealed cap be arranged on the sealing neck in ferrite core piston utilize the gravity of self to make sealed cap decline return and the passage of closing the exhaust in ferrite core piston seal automatically.

In order to ensure that vacuum safety environmental protecting device can normally work, the teacher position key operation connected with insulated electric conductor is adopted to control connection and the cut-out of the connecting circuit of electromagnetic coil; Or, adopt connection and the cut-out of the connecting circuit of teacher position key operation and the electronic remote controller co-controlling electromagnetic coil connected with insulated electric conductor.

Keep shape in order to ensure protecting crust to protect electromagnetic coil and be not easy distortion, the cavity of protecting crust manufactures the skeleton having support.

Air in the pumping chamber promoting in negative pressure shell to enable ferrite core piston enters in squish chamber, adopts iron core spring to move down as promotion ferrite core piston the power air in pumping chamber being clamp-oned squish chamber.

During use, do not have electronic remote controller, teacher of the opening position key operation directly connects the power-on circuit of insulated electric conductor and field controller; Have electronic remote controller, 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 field controller connects electromagnetic coil generates an electromagnetic field; The pressure that the attraction force that electromagnetic field produces pulls ferrite core piston to overcome iron core spring moves up, when ferrite core piston starts up, be arranged on sealed cap on the sealing neck in ferrite core piston descending return and close the passage that air enters squish chamber under the effect of the gravity of self; When ferrite core piston is up, ferrite core piston up 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; Ferrite core piston is when up, ferrite core piston also makes to create pull of vacuum in pumping chamber, pull of vacuum inhales dynamic porose sealing plate makes porose sealing plate with protruding the annular sealing surface of platform separately, air enters exhaust tube and enters into through bleeder hole and protrude platform in vacuum tank, then the passing hole on porose sealing plate enter in negative pressure shell ferrite core piston below pumping chamber in.

Ferrite core piston is up move to the compression stage of compression iron core spring spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappears, and ferrite core piston is descending under the promotion of iron core spring; When ferrite core piston starts descending, the bleed-off passage entering pumping chamber is closed under the effect of the pull of vacuum of porose sealing plate 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; Ferrite core piston is when descending, ferrite core piston promotes the air that enters in pumping chamber and makes air produce internal pressure, having the air of pressure upwards to wash open from the annular sealing surface that the vent of ferrite core piston enters into sealing neck upper end continues up after sealed cap seal with annular sealing surface be shifted, enter in squish chamber after undue pore with the air passing hole divided on gas confinement plate.

Ferrite core piston is descending when putting in place under the promotion of iron core spring, sealed cap on sealing neck in ferrite core piston descending annular sealing surface is shut and make air not return pumping chamber under the effect of the gravity of self, now, the power-on circuit that field controller connects again electromagnetic coil again generates an electromagnetic field and makes ferrite core piston up; The connection of circulation like this and cut off circuit, makes electromagnetic coil generate an electromagnetic field to pull that ferrite core piston is up and to allow iron core spring promote ferrite core piston descending, constantly from extracting air in vacuum tank, and the air extracted is entered in air.

A manufacture method for vacuum safety environmental protecting device, is characterized in that:

During fabrication, the material of a type in protecting crust employing metal, plastics, nylon, glass fibre reinforced plastics or the composite material manufacture of several types; The material of a type in the employing of sealed cap, hollow valve body and negative pressure shell metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Seal the material of a type in cone and ball sealer employing metal, plastics, nylon and rubber or the composite material manufacture of several types; The material of a type in porose sealing plate employing metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Ferrite core piston adopts the material manufacture of the hard to bear magnetic field suction of energy.

Protecting crust creates the hollow cavity of annular, and hollow cavity has string holes, and string holes creates the hole allowing insulated electric conductor pass; Electromagnetic coil and field controller are installed in hollow cavity, or, electromagnetic coil, 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 protecting crust is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for protecting crust.

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 has bleeder hole to pass negative pressure shell; The middle part of the lower end in negative pressure shell manufactures protrusion platform protruding upward, the upper end portion of protruding platform creates annular sealing surface, the inside of protruding platform creates bleeder hole, the time in of porose sealing plate not being installed in the upper end portion of protruding platform, pumping chamber in negative pressure shell communicates with bleeder hole, protrude annular sealing surface and the porose sealing plate of platform simultaneously coordinate below; Described annular sealing surface creates smooth, smooth planar annular, and the upper end of sealing neck being manufactured on ferrite core piston respectively coordinates with the inner sealing surface of sealed cap and the upper end that is manufactured on the protrusion platform in negative pressure shell coordinates with the sealing surface below porose sealing plate.

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 gas 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.

Ferrite core piston creates columniform iron core, and the position of the center line of columniform iron core manufactures limited location hole, point compression and vent; 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; 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 the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of ferrite core piston does not seal with annular sealing surface, vent communicates with a point compression with the receiving bore of ferrite core piston lower end; 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 inlays a point gas confinement plate stationary plane, and the annular bottom surface of circular hole creates the face that restriction point 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 internal taper 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.

Point gas confinement plate creates the plate of air passing hole or meshed spacing net, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole and mesh create 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.

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.

Porose sealing plate creates circular flat board, and the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform creates sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates manufactures the passing hole allowing gas pass through; Porose sealing plate sealing surface with protrude the annular sealing surface of platform upper end and coordinate.

Field controller creates and controls the controller that generates an electromagnetic field of electromagnetic coil, control time that electromagnetic field produces and the time that generates an electromagnetic field length and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

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 to be connected and cuts off the circuit switch generated an electromagnetic field, 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 air enter the inner chamber of negative pressure shell through via hole, be manufactured on and protrude the center portion of platform, bleeder hole communicates with the inner chamber of negative pressure shell.

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside negative pressure shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of negative pressure shell; Below the outside of protecting crust, 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.The circuit connecting electromagnetic coil is connected with field controller, 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 protecting crust; Or, the circuit connecting electromagnetic coil is connected with field controller, 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 protecting crust.Be provided with in negative pressure shell porose sealing plate, iron core spring, ferrite core piston, sealed cap, point gas confinement plate, iron core spring fitting is at the upper part of the inner chamber of negative pressure shell, ferrite core piston is arranged on the lower part of the inner chamber of negative pressure shell, the upper end portion or be pressed in that iron core spring is pressed in ferrite core piston is fixed on point gas confinement plate of ferrite core piston upper end portion, and ferrite core piston can slide up and down in the inner chamber of negative pressure shell; A point gas confinement plate is had at the spacing hole internal fixtion of ferrite core piston upper end, the annular sealing surface of the sealing neck end in point compression of the upper part of ferrite core piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap can move up and down between point compression and point gas confinement plate of ferrite core piston, and sealed cap coordinates the bleed-off passage that can seal or open the squish chamber entered in negative pressure shell with the annular sealing surface of ferrite core piston; At the inside lower part of negative pressure shell, the protrusion platform sealing of porose sealing plate with the lower end in negative pressure shell is installed; Porose sealing plate coordinates with the annular sealing surface protruding platform and can seal or open the bleed-off passage entered in negative pressure shell; When ferrite core piston is up, the inner chamber part of the negative pressure shell of ferrite core piston lower part is pumping chamber; When ferrite core piston is descending, the inner chamber part of the negative pressure shell of ferrite core piston upper part is 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 vacuum safety environmental protecting device of the present invention, vibrate little, utilization rate of electrical is high, powerful, 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 vacuum safety environmental protecting device;

Fig. 3 is the structural representation of ferrite core piston;

Fig. 4 is the schematic appearance of the plan view of ferrite core piston.

Shown in figure: negative pressure shell 1, ferrite core piston 2, iron core spring 3, hollow valve body 4, sealing cone or ball sealer 5, point gas confinement plate 6, air passing hole 7, electromagnetic coil 8, protecting crust 9, porose sealing plate 10, bleeder hole 11, exhaust tube 13, foot rest 14, passing hole 15, vent 16, annular sealing surface 17, point compression 18, spacing hole 19, annular bottom surface 21, sealed cap 23.

Embodiment

Vacuum safety environmental protecting device of the present invention mainly comprises protecting crust 9, electromagnetic coil 8, negative pressure shell 1, bleeder hole 11, porose sealing plate 10, sealed cap 23, sealing cone or ball sealer 5, iron core spring 3, ferrite core piston 2, point gas confinement plate 6, internal taper hole, vent 16, gas outlet valve, field controller; Or comprise protecting crust 9, electromagnetic coil 8, negative pressure shell 1, bleeder hole 11, porose sealing plate 10, sealed cap 23, sealing cone or ball sealer 5, iron core spring 3, ferrite core piston 2, point gas confinement plate 6, internal taper hole, vent 16, gas outlet valve, field controller, electronic remote controller.

In protecting crust 9, be provided with electromagnetic coil 8, electromagnetic coil 8 is fixed on the upper part outside negative pressure shell 1, and protecting crust 9 is fixed on the outside protection electromagnetic coil 8 on the top of negative pressure shell 1; Below the outside of protecting crust 9, one side is fixed with foot rest 14, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest 14 is lower than the position of the bleeder hole 11 of negative pressure shell 1 lower end.

Porose sealing plate 10, iron core spring 3, ferrite core piston 2, sealed cap 23, point gas confinement plate 6 are installed in negative pressure shell 1, iron core spring 3 is arranged on the upper part of the inner chamber of negative pressure shell 1, ferrite core piston 2 is arranged on the lower part of the inner chamber of negative pressure shell 1, the upper end portion or be pressed in that iron core spring 3 is pressed in ferrite core piston 2 is fixed on point gas confinement plate 6 of ferrite core piston 2 upper end portion, and ferrite core piston 2 can slide up and down in the inner chamber of negative pressure shell 1; A point gas confinement plate 6 is had at spacing hole 19 internal fixtion of ferrite core piston 2 upper end, the annular sealing surface 17 of the sealing neck end in point compression of the upper part of ferrite core piston 2 there is the inner sealing surface of sealed cap 23 to coordinate with it, sealed cap 23 can move up and down between point compression and point gas confinement plate 6 of ferrite core piston 2, and sealed cap 23 coordinates the bleed-off passage that can seal or open the squish chamber entered in negative pressure shell 1 with the annular sealing surface 17 of ferrite core piston 2; At the inside lower part of negative pressure shell 1, porose sealing plate 10 is installed to seal with the protrusion platform of the lower end in negative pressure shell 1; Porose sealing plate 10 coordinates with the annular sealing surface 17 protruding platform and can seal or open the bleed-off passage entered in negative pressure shell 1; When ferrite core piston 2 is up, the inner chamber part of the negative pressure shell 1 of ferrite core piston 2 lower part is pumping chamber; When ferrite core piston 2 is descending, the inner chamber part of the negative pressure shell 1 of ferrite core piston 2 upper part is squish chamber.Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell 1, 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 1, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of negative pressure shell 1.

During fabrication, protecting crust 9 adopts the material of the type in metal, plastics, nylon, glass fibre reinforced plastics or the composite material manufacture of several types; Sealed cap 23, hollow valve body 4 and negative pressure shell 1 adopt the material of the type in metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Sealing cone or ball sealer 5 adopt the material of the type in metal, plastics, nylon and rubber or the composite material manufacture of several types; Porose sealing plate 10 adopts the material of the type in metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Ferrite core piston 2 adopts the material manufacture of the hard to bear magnetic field suction of energy.

Protecting crust 9 creates the hollow cavity of annular, and hollow cavity has string holes, and string holes creates the hole allowing insulated electric conductor pass; Electromagnetic coil 8 and field controller are installed in hollow cavity, or, electromagnetic coil, 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 1.

Conveniently assemble, during fabrication, after protecting crust 9 is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for protecting crust 9.

The inner chamber of negative pressure shell 1 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 1 center hole, lower end manufactures has bleeder hole 11 through negative pressure shell 1; The middle part of the lower end in negative pressure shell 1 manufactures protrusion platform protruding upward, the upper end portion of protruding platform creates annular sealing surface 17, the inside of protruding platform creates bleeder hole 11, when porose sealing plate 10 is not installed in the upper end portion of protruding platform, pumping chamber in negative pressure shell 1 communicates with bleeder hole 11, and the annular sealing surface 17 protruding platform coordinates with one side below porose sealing plate 10; Described annular sealing surface 17 creates smooth, smooth planar annular, and the upper end being manufactured on the sealing neck of ferrite core piston 2 respectively coordinates with the inner sealing surface of sealed cap 23 and the upper end that is manufactured on the protrusion platform in negative pressure shell 1 coordinates with the sealing surface below porose sealing plate 10.

Gas outlet valve creates hollow valve body 4 and sealing is bored or ball sealer 5 two-part, hollow valve body 4 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 4 manufactures return-air sealed end, the lower end surface of return-air sealed end is manufactured on the lower end of hollow valve body 4, 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 5; Can open when being with the gas of pressure from the endoporus of hollow valve body 4 lower end inner conical surface with sealing bore or ball sealer 5 sealing and form passage.

For the ease of negative pressure shell 1 processing and be convenient to accessory to load in negative pressure shell 1, described negative pressure shell 1 create segmentation processing manufacture after assemblying body; The upper end of the circular cylindrical cavity part in negative pressure shell 1 is divided into two sections of manufactures, the main body that the upper part of segmentation place creates pump cover, lower part creates negative pressure shell 1, center hole is manufactured on pump cover, bleeder hole 11 is manufactured on the middle part of the main body lower end of negative pressure shell 1, and being combined into after the main body after pump cover and negative pressure shell 1 manufactures is a composite entity; Or, the lower end of the circular cylindrical cavity part in negative pressure shell 1 is divided into two sections of manufactures, the main body that the lower part of segmentation place creates pump cover, upper part creates negative pressure shell 1, bleeder hole 11 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 1, and being combined into after the main body of pump cover and negative pressure shell 1 manufactures is a composite entity.

Ferrite core piston 2 creates columniform iron core, and the position of the center line of columniform iron core manufactures limited location hole 19, point compression and vent 16; The upper end of columniform iron core manufactures limited location hole 19, and manufacturing below spacing hole 19 has a point compression, and manufacturing below the middle part of point compression has vent 16; Divide the inner ring of compression to create sealing neck, the upper end portion of sealing neck creates annular sealing surface 17, and the upper-end surface of sealing neck creates the upper end of the periphery lower than point compression; When the upper inner sealing surface not installing sealed cap 23 and sealed cap 23 of the periphery of the sealing neck of ferrite core piston 2 does not seal with annular sealing surface 17, vent 16 communicates with a point compression with the receiving bore of ferrite core piston 2 lower end; 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 1 can the inner chamber of sealed negative-pressure shell 1, and can slide in the inner chamber of negative pressure shell 1.Described spacing hole 19 creates circular hole, and the ring surface of circular hole creates inlays point gas confinement plate 6 stationary plane, and the annular bottom surface 21 of circular hole creates the face that restriction point gas confinement plate 6 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 16; Described vent 16 creates the circular hole communicated with internal taper hole.

Described annular sealing surface 17 creates the smooth sealing surface of ring, and the upper end that annular sealing surface 17 is manufactured on the sealing neck of ferrite core piston 2 respectively coordinates with the inner sealing surface of sealed cap 23 and the upper end that is manufactured on the protrusion platform in negative pressure shell 1 coordinates with the sealing surface below porose sealing plate 10.

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 5 self, inner conical surface can be opened with sealing by suction when cone or ball sealer 5 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 5 is larger, and the gluing, sealing effect of sealing cone or ball sealer 5 and inner conical surface is better.

Point gas confinement plate 6 creates the plate of air passing hole 7 or meshed spacing net, and the anchor ring being embedded in spacing hole 19 is adjacent to the base ring face of spacing hole 19; Air passing hole 7 and mesh create the hole allowing air pass through.

Sealing cone 5 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.

Ball sealer 5 creates spherosome or oval ball, and the periphery of spherosome or oval ball creates sealing surface, and sealing surface creates sphere; Gravity by self when the sphere of sealing cone or ball sealer 5 and inner conical surface seal presses down and seals inner conical surface.

Described sealed cap 23 creates the circular pipe type cap body of top seal, and the inner top of sealed cap 23 divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole 7.

Porose sealing plate 10 creates circular flat board, and the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform creates sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates manufactures the passing hole 15 allowing gas pass through; The sealing surface of porose sealing plate 10 coordinates with the annular sealing surface 17 protruding platform upper end.

Field controller creates and controls the controller that generates an electromagnetic field of electromagnetic coil 8, control time that electromagnetic field produces and the time that generates an electromagnetic field length and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

Bleeder hole 11 create air enter the inner chamber of negative pressure shell 1 through via hole, be manufactured on the center portion of protruding platform and the center portion of bottom being manufactured on protecting crust 9 respectively, bleeder hole 11 communicates with the inner chamber of negative pressure shell 1.

Keep shape in order to ensure protecting crust 9 can protect electromagnetic coil 8 and be not easy distortion, the cavity of protecting crust 9 manufactures the skeleton having support.

Air in the pumping chamber that can promote in negative pressure shell 1 to make ferrite core piston 2 enters in squish chamber, adopts iron core spring 3 to move down as promotion ferrite core piston 2 power air in pumping chamber being clamp-oned squish 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; In squish chamber during deaeration, pumping chamber is sealed by sealing cone or ball sealer 5 with the internal taper hole in ferrite core piston 2 and disconnects the bleed-off passage entering squish chamber.

Described vacuum safety environmental protecting device, 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 the up generation of ferrite core piston 2 is opened porose sealing plate 10 and the sealing of protruding platform and opens the passage of exhaust, is arranged on sealed cap 23 on the sealing neck in ferrite core piston 2 automatic decline return and the passage of closing the exhaust entered in squish chamber seals under the effect of self gravitation; When squish chamber exhaust, being arranged on the sealing cone of the internal taper hole of gas outlet valve or ball sealer 5 utilizes the gravity of self to make sealing cone or ball sealer 5 decline return and the passage of closing the discharge air on gas outlet valve seals automatically, and ferrite core piston 2 is descending and make to produce pumping chamber in pressure and promote sealing and bore or the up passage then opening the exhaust entered in squish chamber of ball sealer 5; When extruding air in squish chamber, under the effect of outlet pressure, promote sealing cone on the internal taper hole of gas outlet valve or ball sealer 5 up and open the passage of the discharge air of gas outlet valve, the sealed cap 23 be arranged on the sealing neck in ferrite core piston 2 utilizes the gravity of self to make sealed cap 23 decline return and the passage of closing the exhaust in ferrite core piston 2 seals automatically.

During use, do not have electronic remote controller, teacher of the opening position key operation directly connects the power-on circuit of insulated electric conductor and field controller; Have electronic remote controller, 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 field controller connects electromagnetic coil 8 generates an electromagnetic field; The pressure that the attraction force that electromagnetic field produces pulls ferrite core piston 2 to overcome iron core spring 3 moves up, when ferrite core piston 2 starts up, be arranged on sealed cap 23 on the sealing neck in ferrite core piston 2 descending return and close the passage that air enters squish chamber under the effect of the gravity of self; When ferrite core piston 2 is up, ferrite core piston 2 up 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 5 up and open the sealing channel of gas outlet valve, make the air in squish chamber enter in air through gas outlet valve; Ferrite core piston 2 is when up, ferrite core piston 2 also makes to create pull of vacuum in pumping chamber, pull of vacuum inhales dynamic porose sealing plate 10 makes porose sealing plate 10 separate with the annular sealing surface 17 protruding platform, air enters exhaust tube and enters into through bleeder hole 11 and protrude platform in vacuum tank, then the passing hole 15 on porose sealing plate 10 enter in negative pressure shell 1 ferrite core piston 2 below pumping chamber in.

Ferrite core piston 2 is up move to the compression stage of compression iron core spring 3 spacing time, the power-on circuit of field controller cutoff solenoid 8, electromagnetic field disappears, and ferrite core piston 2 is descending under the promotion of iron core spring 3; When ferrite core piston 2 starts descending, the bleed-off passage entering pumping chamber is closed under the effect of the pull of vacuum of porose sealing plate 10 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 5 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; Ferrite core piston 2 is when descending, ferrite core piston 2 promotes the air that enters in pumping chamber and makes air produce internal pressure, having the air of pressure upwards to wash open from the annular sealing surface 17 that the vent 16 of ferrite core piston 2 enters into sealing neck upper end continues up after the sealed cap 23 seal with annular sealing surface 17 is shifted, enter in squish chamber through undue pore 18 with after dividing the air passing hole 7 on gas confinement plate 6.

Ferrite core piston 2 is descending when putting in place under the promotion of iron core spring 3, sealed cap 23 on sealing neck in ferrite core piston 2 descending annular sealing surface 17 is shut and make air not return pumping chamber under the effect of the gravity of self, now, the power-on circuit that field controller connects again electromagnetic coil 8 again generates an electromagnetic field and makes ferrite core piston 2 up; The connection of circulation like this and cut off circuit, makes electromagnetic coil 8 generate an electromagnetic field to pull that ferrite core piston 2 is up and to allow iron core spring 3 promote ferrite core piston 2 descending, constantly from extracting air in vacuum tank, and the air extracted is entered in air.

Claims

1. a vacuum safety environmental protecting device, is characterized in that: described vacuum safety environmental protecting device comprise protecting crust, electromagnetic coil, negative pressure shell, bleeder hole, porose sealing plate, sealed cap, ball sealer, iron core spring, ferrite core piston, point gas confinement plate, internal taper hole, vent, gas outlet valve, field controller;

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside negative pressure shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of negative pressure shell; Below the outside of protecting crust, 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;

The circuit connecting electromagnetic coil is connected with field controller, 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 protecting crust;

Be provided with in negative pressure shell porose sealing plate, iron core spring, ferrite core piston, sealed cap, point gas confinement plate, iron core spring fitting is at the upper part of the inner chamber of negative pressure shell, ferrite core piston is arranged on the lower part of the inner chamber of negative pressure shell, the upper end portion or be pressed in that iron core spring is pressed in ferrite core piston is fixed on point gas confinement plate of ferrite core piston upper end portion, and ferrite core piston can slide up and down in the inner chamber of negative pressure shell; A point gas confinement plate is had at the spacing hole internal fixtion of ferrite core piston upper end, the annular sealing surface of the sealing neck end in point compression of the upper part of ferrite core piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap can move up and down between point compression and point gas confinement plate of ferrite core piston, and sealed cap coordinates the bleed-off passage that can seal or open the squish chamber entered in negative pressure shell with the annular sealing surface of ferrite core piston; At the inside lower part of negative pressure shell, the protrusion platform sealing of porose sealing plate with the lower end in negative pressure shell is installed; Porose sealing plate coordinates with the annular sealing surface protruding platform and can seal or open the bleed-off passage entered in negative pressure shell; When ferrite core piston is up, the inner chamber part of the negative pressure shell of ferrite core piston lower part is pumping chamber; When ferrite core piston is descending, the inner chamber part of the negative pressure shell of ferrite core piston upper part is 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 protecting crust 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 sealed cap, 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 or the composite material of several types; Porose sealing plate material adopt the material of a type in metal, plastics, nylon and glass fibre reinforced plastics or the composite material of several types; The material of ferrite core piston is the material of the hard to bear magnetic field suction of energy;

Described protecting crust is the hollow cavity of annular, hollow cavity has string holes, is provided with electromagnetic coil 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 protecting crust processing and be convenient to accessory to load in protecting crust, described protecting crust is the assemblying body 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 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 pass negative pressure shell; There is protrusion platform protruding upward at the middle part of the lower end in negative pressure shell, the upper end portion of protruding platform is annular sealing surface, the inside of protruding platform is bleeder hole, communicate with bleeder hole protruding the pumping chamber time in that porose sealing plate not being installed in the upper end portion of platform in negative pressure shell, the annular sealing surface protruding platform and porose sealing plate below simultaneously coordinate; Described annular sealing surface is smooth, smooth planar annular, coordinates respectively and the upper end of protrusion platform in negative pressure shell coordinates with the sealing surface below porose sealing plate in the upper end of sealing neck of ferrite core piston with the inner sealing surface of sealed cap;

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 gas 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 ferrite core piston 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, is vent below the middle part of point compression; The inner ring of point compression is sealing neck, and the inside of sealing neck is one section above of vent, and the upper end of sealing neck is annular sealing surface, and annular sealing surface is lower than the upper end of the periphery of point compression; When the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of ferrite core piston does not seal with annular sealing surface, vent communicates with a point compression with the receiving bore of ferrite core piston lower end; Spacing hole is used for a fixing point of gas confinement plate, and point pore is for disperseing the gas that passes through and guiding gas to enter air passing hole on point gas confinement plate; 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 inlay a point gas confinement plate stationary plane, and the annular bottom surface of circular hole is the face that restriction point gas confinement plate inlays the degree of depth; A described point compression is divided into two sections, and the part above 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 pumping chamber and point compression;

Described annular sealing surface is the smooth sealing surface of ring, and annular sealing surface coordinates with the inner sealing surface of sealed cap in the upper end of sealing neck of ferrite core piston respectively and the upper end of protrusion platform in negative pressure shell coordinates with the sealing surface below porose sealing plate;

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;

A described point of gas confinement plate has the plate of air passing hole or meshed spacing net, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole and mesh are 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 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 porose sealing plate is circular flat board, and the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform is sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates has passing hole; Porose sealing plate sealing surface be used for and protrude the annular sealing surface of platform upper end and coordinate, passing hole is used for allowing air pass through;

Described field controller controls the controller that generates an electromagnetic field of electromagnetic coil, control time and the time length generated an electromagnetic field that electromagnetic field produces and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time;

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

Described bleeder hole be air enter the inner chamber of negative pressure shell through air passing hole, protruding the center portion of platform, bleeder hole communicates with the inner chamber of negative pressure shell;

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; In squish chamber during deaeration, pumping chamber is sealed by the internal taper hole in ball sealer and ferrite core piston and disconnects the bleed-off passage entering squish chamber;

Described vacuum safety environmental protecting device, 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 the up generation of ferrite core piston is opened porose sealing plate and is opened the passage of exhaust with the sealing of protruding platform, is arranged on sealed cap on the sealing neck in ferrite core piston automatic decline return and the passage of closing the exhaust entered in squish chamber seals under the effect of self gravitation; 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 discharge air on gas outlet valve seals automatically, and ferrite core piston is descending and make to produce pressure in pumping chamber and promote the up passage then opening the exhaust entered in squish chamber of ball sealer; When extruding air 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 the discharge air of gas outlet valve, the sealed cap be arranged on the sealing neck in ferrite core piston utilize the gravity of self to make sealed cap decline return and the passage of closing the exhaust in ferrite core piston 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 field controller connects electromagnetic coil generates an electromagnetic field; The pressure that the attraction force that electromagnetic field produces pulls ferrite core piston to overcome iron core spring moves up, when ferrite core piston starts up, be arranged on sealed cap on the sealing neck in ferrite core piston descending return and close the passage that air enters squish chamber under the effect of the gravity of self; When ferrite core piston is up, ferrite core piston up 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; Ferrite core piston is when up, ferrite core piston also makes to create pull of vacuum in pumping chamber, pull of vacuum inhales dynamic porose sealing plate makes porose sealing plate with protruding the annular sealing surface of platform separately, air enters exhaust tube and enters into through bleeder hole and protrude platform in vacuum tank, then the passing hole on porose sealing plate enter in negative pressure shell ferrite core piston below pumping chamber in;

Ferrite core piston is up move to the compression stage of compression iron core spring spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappears, and ferrite core piston is descending under the promotion of iron core spring; When ferrite core piston starts descending, the bleed-off passage entering pumping chamber is closed under the effect of the pull of vacuum of porose sealing plate under the effect of self gravitation and in vacuum tank, 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; Ferrite core piston is when descending, ferrite core piston promotes the air that enters in pumping chamber and makes air produce internal pressure, having the air of pressure upwards to wash open from the annular sealing surface that the vent of ferrite core piston enters into sealing neck upper end continues up after sealed cap seal with annular sealing surface be shifted, enter in squish chamber after undue pore with the air passing hole divided on gas confinement plate;

2. vacuum safety environmental protecting device according to claim 1, it is characterized in that: the air in the pumping chamber promoting in negative pressure shell to enable ferrite core piston enters in squish chamber, adopting iron core spring to move down as promotion ferrite core piston the power air in pumping chamber being clamp-oned squish chamber.

3. vacuum safety environmental protecting device according to claim 1, it is characterized in that: in order to ensure that environmental protection vacuum pumping device can normally work, adopting the teacher position key operation connected with insulated electric conductor control the connection of the connecting circuit of electromagnetic coil and cut off and can normally work.

4. vacuum safety environmental protecting device according to claim 1, is characterized in that: keep shape in order to ensure protecting crust to protect electromagnetic coil and be not easy distortion, the cavity of protecting crust manufactures the skeleton having support.

5. vacuum safety environmental protecting device according to claim 1, it is characterized in that: the compact structure of described vacuum safety environmental protecting device, vibrate little, utilization rate of electrical is high, powerful, 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 vacuum safety environmental protecting device, is characterized in that: during fabrication, the material of a type in protecting crust employing metal, plastics, nylon, glass fibre reinforced plastics or the composite material manufacture of several types; The material of a type in the employing of sealed cap, hollow valve body and negative pressure shell metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; The material of a type in ball sealer employing metal, plastics, nylon and rubber or the composite material manufacture of several types; The material of a type in porose sealing plate employing metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Ferrite core piston adopts the material manufacture of the hard to bear magnetic field suction of energy;

Protecting crust creates the hollow cavity of annular, and hollow cavity has string holes, and string holes creates the hole allowing insulated electric conductor pass; Electromagnetic coil 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 protecting crust is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for protecting crust;

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 has bleeder hole to pass negative pressure shell; The middle part of the lower end in negative pressure shell manufactures protrusion platform protruding upward, the upper end portion of protruding platform creates annular sealing surface, the inside of protruding platform creates bleeder hole, the time in of porose sealing plate not being installed in the upper end portion of protruding platform, pumping chamber in negative pressure shell communicates with bleeder hole, protrude annular sealing surface and the porose sealing plate of platform simultaneously coordinate below; Described annular sealing surface creates smooth, smooth planar annular, and the upper end of sealing neck being manufactured on ferrite core piston respectively coordinates with the inner sealing surface of sealed cap and the upper end that is manufactured on the protrusion platform in negative pressure shell coordinates with the sealing surface below porose sealing plate;

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 gas 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;

Ferrite core piston creates columniform iron core, and the position of the center line of columniform iron core manufactures limited location hole, point compression and vent; 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; 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 the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of ferrite core piston does not seal with annular sealing surface, vent communicates with a point compression with the receiving bore of ferrite core piston lower end; 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 inlays a point gas confinement plate stationary plane, and the annular bottom surface of circular hole creates the face that restriction point 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 internal taper hole;

Described annular sealing surface creates the smooth sealing surface of ring, and the upper end of sealing neck that annular sealing surface is manufactured on ferrite core piston respectively coordinates with the inner sealing surface of sealed cap and the upper end that is manufactured on the protrusion platform in negative pressure shell coordinates with the sealing surface below porose sealing plate;

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;

Point gas confinement plate creates the plate of air passing hole or meshed spacing net, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole and mesh create 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;

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;

Porose sealing plate creates circular flat board, and the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform creates sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates manufactures the passing hole allowing gas pass through; Porose sealing plate sealing surface with protrude the annular sealing surface of platform upper end and coordinate;

Field controller creates and controls the controller that generates an electromagnetic field of electromagnetic coil, control time that electromagnetic field produces and the time that generates an electromagnetic field length and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time;

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

Bleeder hole create air enter the inner chamber of negative pressure shell through via hole, be manufactured on and protrude the center portion of platform, bleeder hole communicates with the inner chamber of negative pressure shell;

In order to ensure that vacuum safety environmental protecting device can normally work, the teacher position key operation connected with insulated electric conductor is adopted to control connection and the cut-out of the connecting circuit of electromagnetic coil;

Keep shape in order to ensure protecting crust to protect electromagnetic coil and be not easy distortion, the cavity of protecting crust manufactures the skeleton having support;

Air in the pumping chamber promoting in negative pressure shell to enable ferrite core piston enters in squish chamber, adopts iron core spring to move down as promotion ferrite core piston the power air in pumping chamber being clamp-oned squish chamber;

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside negative pressure shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of negative pressure shell; Below the outside of protecting crust, 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; The circuit connecting electromagnetic coil is connected with field controller, 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 protecting crust; Be provided with in negative pressure shell porose sealing plate, iron core spring, ferrite core piston, sealed cap, point gas confinement plate, iron core spring fitting is at the upper part of the inner chamber of negative pressure shell, ferrite core piston is arranged on the lower part of the inner chamber of negative pressure shell, the upper end portion or be pressed in that iron core spring is pressed in ferrite core piston is fixed on point gas confinement plate of ferrite core piston upper end portion, and ferrite core piston can slide up and down in the inner chamber of negative pressure shell; A point gas confinement plate is had at the spacing hole internal fixtion of ferrite core piston upper end, the annular sealing surface of the sealing neck end in point compression of the upper part of ferrite core piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap can move up and down between point compression and point gas confinement plate of ferrite core piston, and sealed cap coordinates the bleed-off passage that can seal or open the squish chamber entered in negative pressure shell with the annular sealing surface of ferrite core piston; At the inside lower part of negative pressure shell, the protrusion platform sealing of porose sealing plate with the lower end in negative pressure shell is installed; Porose sealing plate coordinates with the annular sealing surface protruding platform and can seal or open the bleed-off passage entered in negative pressure shell; When ferrite core piston is up, the inner chamber part of the negative pressure shell of ferrite core piston lower part is pumping chamber; When ferrite core piston is descending, the inner chamber part of the negative pressure shell of ferrite core piston upper part is 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.