CN105545674A

CN105545674A - Environment-friendly and energy-saving vacuum pumping pump

Info

Publication number: CN105545674A
Application number: CN201610043589.2A
Authority: CN
Inventors: 徐伟正
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-24
Filing date: 2016-01-24
Publication date: 2016-05-04

Abstract

The invention discloses an environment-friendly and energy-saving vacuum pumping pump and belongs to the field of vacuum servo and the field of vacuum pumping of automobile braking. An electromagnetic coil is installed in a protection shell of the environment-friendly and energy-saving vacuum pumping pump and is arranged outside the lower portion of a negative-pressure shell. The annular inner end of the protection shell is fixed outside the negative-pressure shell. A gas outlet valve is fixed in a center hole of the negative-pressure shell. A pushing spring and a magnetism induced piston are arranged in the negative-pressure shell. The pushing spring is pressed on the magnetism induced piston. A gas pumping channel of a gas pumping cavity is sealed through a sealing cap, 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 magnetism induced piston. A sealing cone or a sealing ball is installed in an inner cone hole of the magnetism induced piston. The environment-friendly and energy-saving vacuum pumping pump is compact in structure, low in vibration, high in power, high in electric energy utilization rate, high in vacuum pumping efficiency, suitable for installation and use of automobiles driven by internal combustion engines and electric automobiles and use of industrial vacuum pumping, good in market prospect and beneficial to industrial production.

Description

Environmental protection and energy saving vacuum drawn pump

Technical field

The present invention relates to a kind of environmental protection and energy saving vacuum drawn pump for producing vacuum power and industrial extracting vacuum to the vacuum booster of the brake master cylinder of automobile.

Background technique

Traditional vacuum pump 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 environmental protection and energy saving vacuum drawn pump and method thereof.

For achieving the above object, environmental protection and energy saving vacuum drawn pump of the present invention mainly comprises protecting crust, electromagnetic coil, negative pressure shell, bleeder hole, exhaust tube, sealing cone or ball sealer, sealed cap, promotion spring, answers magnetic piston, divides gas confinement plate, internal taper hole, vent, gas outlet valve, field controller; Or described environmental protection and energy saving vacuum drawn pump mainly comprises protecting crust, electromagnetic coil, negative pressure shell, bleeder hole, exhaust tube, sealing cone or ball sealer, sealed cap, promotion spring, answers magnetic piston, divides 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 lower part outside negative pressure shell, and protecting crust is fixed on the outside protection electromagnetic coil of the bottom 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.

Sealed cap is installed in negative pressure shell, promotes spring, answer magnetic piston, point gas confinement plate, promote spring fitting at the lower part of the inner chamber of negative pressure shell, answer magnetic piston to be arranged on the upper part of the inner chamber of negative pressure shell, promote spring top and be pressed in the lower end of answering magnetic piston; Answering the spacing hole internal fixtion of the upper end portion of magnetic piston to have a point water confinement plate, answer magnetic piston can slide up and down in the inner chamber of negative pressure shell; A point gas confinement plate is had answering the spacing hole internal fixtion of magnetic piston upper end, the annular sealing surface of the sealing neck end in point compression of answering the upper part of magnetic piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap is being answered between point compression of magnetic piston and point gas confinement plate and can moved up and down, and sealed cap can seal with answering the annular sealing surface of magnetic piston to coordinate or open the bleed-off passage in the squish chamber entered in negative pressure shell; On the periphery of the sealing neck of the lower end in negative pressure shell, cover has sealed cap, and the periphery of the sealing neck of the lower end of sealed cap in negative pressure shell can slide up and down; Inner sealing surface in sealed cap coordinates the bleed-off passage that can seal or open and enter in negative pressure shell with the annular sealing surface of sealing neck end; When answering magnetic piston stroking upward, the inner chamber part of answering the negative pressure shell of magnetic piston lower part is pumping chamber; When answering magnetic descent of piston, the inner chamber part of the negative pressure shell of magnetic piston upper part is answered to be squish chamber.Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell, the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with bleeder hole and vacuum tank; Be provided with gas outlet valve in the upper end of negative pressure shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of negative pressure shell.

The material of described 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 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; The material of a type in material employing metal, plastics, rubber, nylon and the glass fibre reinforced plastics of sealed cap or the composite material of several types; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction.

Described 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 sealing neck protruding upward at the middle part of the lower end in negative pressure shell, the upper end portion of sealing neck is annular sealing surface, the inside of sealing neck is bleeder hole, when the inner sealing surface of sealed cap does not seal with annular sealing surface, bleeder hole is communicated with pumping chamber by air passing hole, and the inner sealing surface of sealed cap coordinates with the annular sealing surface of sealing neck.

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.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; Can open when being with the air of pressure from the endoporus of hollow valve body lower end inner conical surface with sealing bore or ball sealer sealing and form passage.

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

Described magnetic piston of answering is columniform iron core, the limited location hole, position of the center line of columniform iron core, point compression and vent; 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 annular sealing surface of sealing neck upper end is lower than the upper end of the periphery of point compression; When answering the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of magnetic piston not seal with annular sealing surface, vent communicates with answering a point compression for magnetic piston upper end; Spacing hole is used for a fixing point of gas confinement plate, and point compression is for disperseing the air that passes through and guiding air to enter air passing hole on sealed cap; The periphery of columniform iron core is smooth periphery, and smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Periphery coordinates with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell.Described spacing hole is the rounded face of circular hole circular hole is 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 upper part of sealing neck is circular hole, and the exterior portion of sealing neck is the groove of ring, and the periphery of the periphery of circular hole and the groove of ring is connected, and circular hole communicates with vent; Described vent is the hole communicated with point compression.

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

A described point of gas confinement plate is the plate having air passing hole, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole can allow 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 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 environmental protection and energy saving vacuum drawn pump and cuts off the control circuit of environmental protection energy-saving vacuum draw-off pump; Described electronic remote controller can have in the present invention, also can not have.

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

Described bleeder hole be in air enters in negative pressure shell squish chamber through via hole, in the center portion of sealing neck; There is annular sealing surface the upper end of the bleeder hole in sealing neck, and when the annular sealing surface of the sealing neck of protecting crust lower end does not install sealed cap, pumping chamber communicates with bleeder hole.

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

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

In order to ensure that environmental protection and energy saving vacuum drawn pump 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 squish chamber promoting in negative pressure shell to enable to answer magnetic piston enters gas outlet valve, adopts and promotes spring as promoting to answer magnetic piston stroking upward to compress air in squish chamber in air pressure air valve.

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 attraction force that electromagnetic field produces pulls the pressure of answering magnetic piston overpowers to promote spring to move down, when answering magnetic piston to start descending, the sealed cap installed of the sealing neck of negative pressure shell lower end descending return and close the bleed-off passage entering pumping chamber under the effect of self gravitation, descending return under the effect of the sealing cone in gas outlet valve or the draught head of ball sealer under the effect of the gravity of self and inside and outside negative pressure shell and seal the inner conical surface of gas outlet valve, has cut off the outlet passageway in squish chamber; Answer magnetic piston when descending, the air of answering magnetic piston to promote to enter in pumping chamber and make air produce internal pressure, there is the air of pressure upwards wash the sealing of the inner sealing surface of annular sealing surface and sealed cap open from the upper end of answering the vent of magnetic piston to enter into sealing neck and continue up after sealed cap is shifted, enter in squish chamber after the air passing hole that annular is divided on the air passing hole on air drain, sealed cap and point gas confinement plate.

Answer magnetic descent of piston move to compression promote the compression stage of spring spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappears, and answers magnetic piston up under the promotion promoting spring; When answering magnetic piston to start up, be arranged on and answer the sealed cap on the sealing neck of magnetic piston descending and close the bleed-off passage that air enters squish chamber under the effect of the gravity of self; When answering magnetic piston stroking upward, answer the up of magnetic piston and make the air in squish chamber create pressure, have the air of pressure from the endoporus of the sealed end of gas outlet valve lower end enter into internal taper hole in gas outlet valve promote sealing cone or ball sealer up and open the sealing channel of gas outlet valve, make the air in squish chamber enter in air through gas outlet valve; Answer magnetic piston when up, magnetic piston is answered also to make to create pull of vacuum in pumping chamber, it is up and the annular sealing surface of the sealing neck upper end of negative pressure shell lower end is separated with the inner sealing surface of sealed cap that pull of vacuum inhales motive sealing cap, and air enters in the pumping chamber of answering below magnetic piston that exhaust tube enters through the air passing hole of bleeder hole through sealed cap in negative pressure shell in vacuum tank.

Answer magnetic piston promote spring promotion under up put in place time, the sealed cap installed of the sealing neck of negative pressure shell lower end descending return and close the bleed-off passage entering pumping chamber under the effect of self gravitation, 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; Now, the power-on circuit that field controller connects again electromagnetic coil generates an electromagnetic field again and to make to answer magnetic piston overpowers to promote the resistance of spring descending; The connection of circulation like this and cut off circuit, makes electromagnetic coil generate an electromagnetic field to pull to answer magnetic descent of piston and allows promoting spring and promote to answer magnetic piston stroking upward, constantly from extracting air in vacuum tank, and the air extracted is entered in air.

A manufacture method for environmental protection and energy saving vacuum drawn pump, is characterized in that:

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

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 annular position, 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 sealing neck protruding upward, the upper end portion of sealing neck creates annular sealing surface, the inside of sealing neck creates bleeder hole, when the inner sealing surface of sealed cap does not seal with annular sealing surface, bleeder hole is communicated with pumping chamber by air passing hole, and the inner sealing surface of sealed cap coordinates with the annular sealing surface of sealing neck.

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.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; Can open when being with the air of pressure from the endoporus of hollow valve body lower end inner conical surface with sealing bore or ball sealer sealing and form passage.

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

Answer magnetic piston to create columniform iron core, the position of the center line of columniform iron core manufactures limited location hole, point compression 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 answering the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of magnetic piston not seal with annular sealing surface, vent communicates with answering a point compression for magnetic piston upper 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 point compression.

Described annular sealing surface creates the smooth sealing surface of ring, and the upper end of sealing neck in the middle part of the lower end being manufactured on the inner chamber of answering the upper end of sealing neck of magnetic piston to coordinate with the inner sealing surface of sealed cap and to be manufactured on negative pressure shell respectively coordinates with the inner sealing surface in sealed cap; Described sealed cap creates the circular pipe type cap body of top seal, and the inner top of sealed cap divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole.

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

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.

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 in squish chamber that air enters in negative pressure shell through via hole, be manufactured on the center portion of sealing neck; The upper end of the bleeder hole in sealing neck manufactures annular sealing surface, and when the annular sealing surface of the sealing neck of protecting crust lower end does not install sealed cap, pumping chamber communicates with bleeder hole.

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the lower part outside negative pressure shell, and protecting crust is fixed on the outside protection electromagnetic coil of the bottom 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.Sealed cap is installed in negative pressure shell, promotes spring, answer magnetic piston, point gas confinement plate, promote spring fitting at the lower part of the inner chamber of negative pressure shell, answer magnetic piston to be arranged on the upper part of the inner chamber of negative pressure shell, promote spring top and be pressed in the lower end of answering magnetic piston; Answering the spacing hole internal fixtion of the upper end portion of magnetic piston to have a point water confinement plate, answer magnetic piston can slide up and down in the inner chamber of negative pressure shell; A point gas confinement plate is had answering the spacing hole internal fixtion of magnetic piston upper end, the annular sealing surface of the sealing neck end in point compression of answering the upper part of magnetic piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap is being answered between point compression of magnetic piston and point gas confinement plate and can moved up and down, and sealed cap can seal with answering the annular sealing surface of magnetic piston to coordinate or open the bleed-off passage in the squish chamber entered in negative pressure shell; On the periphery of the sealing neck of the lower end in negative pressure shell, cover has sealed cap, and the periphery of the sealing neck of the lower end of sealed cap in negative pressure shell can slide up and down; Inner sealing surface in sealed cap coordinates the bleed-off passage that can seal or open and enter in negative pressure shell with the annular sealing surface of sealing neck end; When answering magnetic piston stroking upward, the inner chamber part of answering the negative pressure shell of magnetic piston lower part is pumping chamber; When answering magnetic descent of piston, the inner chamber part of the negative pressure shell of magnetic piston upper part is answered to be squish chamber.Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell, the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with bleeder hole and vacuum tank; Be provided with gas outlet valve in the upper end of negative pressure shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of negative pressure shell.

Environmental protection and energy saving vacuum drawn pump structure of the present invention is compact, it is little to vibrate, powerful, utilization rate of electrical are high, and the efficiency of extracting vacuum is high, is suitable for oil-engine driven automobile and electric vehicle is installed and used and industrial extracting vacuum uses; 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 environmental protection and energy saving vacuum drawn pump structure schematic diagram;

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

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

Shown in figure: negative pressure shell 1, answer magnetic piston 2, point gas confinement plate 3, air passing hole 4, hollow valve body 5, sealing cone or ball sealer 6, sealed cap 7, promote spring 8, exhaust tube 9, electromagnetic coil 11, protecting crust 12, foot rest 13, vent 14, annular sealing surface 15, point compression 16, spacing hole 17, annular bottom surface 19.

Embodiment

Environmental protection and energy saving vacuum drawn pump of the present invention mainly comprises protecting crust 12, electromagnetic coil 11, negative pressure shell 1, bleeder hole, exhaust tube 9, sealing cone or ball sealer 6, sealed cap 7, promotes spring 8, answers magnetic piston 2, divides gas confinement plate 3, internal taper hole, vent 14, gas outlet valve, field controller; Or comprise protecting crust 12, electromagnetic coil 11, negative pressure shell 1, bleeder hole, exhaust tube 9, sealing cone or ball sealer 6, sealed cap 7, promote spring 8, answer magnetic piston 2, divide gas confinement plate 3, internal taper hole, vent 14, gas outlet valve, field controller, electronic remote controller.

In protecting crust 12, be provided with electromagnetic coil 11, electromagnetic coil 11 is fixed on the lower part outside negative pressure shell 1, and protecting crust 12 is fixed on the outside protection electromagnetic coil 11 of the bottom of negative pressure shell 1; Below the outside of protecting crust 12, one side is fixed with foot rest 13, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest 13 is lower than the position of the bleeder hole of negative pressure shell 1 lower end.

Sealed cap 7 is installed in negative pressure shell 1, promotes spring 8, answers magnetic piston 2, divides gas confinement plate 3, promote the lower part that spring 8 is arranged on the inner chamber of negative pressure shell 1, answer magnetic piston 2 to be arranged on the upper part of the inner chamber of negative pressure shell 1, promote spring 8 top and be pressed in the lower end of answering magnetic piston 2; Answer the spacing hole internal fixtion of the upper end portion of magnetic piston 2 to have a point water confinement plate, answer magnetic piston 2 can slide up and down in the inner chamber of negative pressure shell 1; A point gas confinement plate 3 is had answering spacing hole 17 internal fixtion of magnetic piston 2 upper end, the annular sealing surface 15 of the sealing neck end in point compression 16 of answering the upper part of magnetic piston 2 there is the inner sealing surface of sealed cap 7 to coordinate with it, sealed cap 7 is being answered between point compression 16 of magnetic piston 2 and point gas confinement plate 3 and can moved up and down, and sealed cap 7 can seal with answering the annular sealing surface 15 of magnetic piston 2 to coordinate or open the bleed-off passage in the squish chamber entered in negative pressure shell 1; On the periphery of the sealing neck of the lower end in negative pressure shell 1, cover has sealed cap 7, and the periphery of the sealing neck of the lower end of sealed cap 7 in negative pressure shell 1 can slide up and down; Inner sealing surface in sealed cap 7 coordinates the bleed-off passage that can seal or open and enter in negative pressure shell 1 with the annular sealing surface 15 of sealing neck end; When answering magnetic piston 2 up, the inner chamber part of answering the negative pressure shell 1 of magnetic piston 2 lower part is pumping chamber; When answering magnetic piston 2 descending, the inner chamber part of the negative pressure shell 1 of magnetic piston 2 upper part is answered to be squish chamber.Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell 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 12 adopts the material of the type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or the composite material manufacture of several types; Hollow valve body 5 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 6 adopt the material of the type in metal, plastics, nylon and rubber or the composite material manufacture of several types; Sealed cap 7 adopts the material of the type in metal, plastics, rubber, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Magnetic piston 2 is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy.

Protecting crust 12 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 11 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 12 is divided into two-part manufacture from annular position, recombinant together for protecting crust 12.

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 to pass negative pressure shell 1; The middle part of the lower end in negative pressure shell 1 manufactures sealing neck protruding upward, the upper end portion of sealing neck creates annular sealing surface 15, the inside of sealing neck creates bleeder hole, when the inner sealing surface of sealed cap 7 does not seal with annular sealing surface 15, bleeder hole is communicated with pumping chamber by air passing hole 4, and the inner sealing surface of sealed cap 7 coordinates with the annular sealing surface 15 of sealing neck.

Gas outlet valve creates hollow valve body 5 and sealing is bored or ball sealer 6 two-part, hollow valve body 5 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 5 manufactures return-air sealed end, the lower end surface of return-air sealed end is manufactured on the lower end of hollow valve body 5, 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 6.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 6 self, inner conical surface can be opened with sealing by suction when cone or ball sealer 6 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 6 is larger, and the gluing, sealing effect of sealing cone or ball sealer 6 and inner conical surface is better; Can open when being with the air of pressure from the endoporus of hollow valve body 5 lower end inner conical surface with sealing bore or ball sealer 6 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 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 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.

Answer magnetic piston 2 to create columniform iron core, the position of the center line of columniform iron core manufactures limited location hole 17, point compression 16 and vent 14; The upper end of columniform iron core manufactures limited location hole 17, and manufacturing below spacing hole 17 has point compression 16, and manufacturing below the middle part of point compression 16 has vent 14; Divide the inner ring of compression 16 to create sealing neck, the upper end portion of sealing neck creates annular sealing surface 15, and the upper-end surface of sealing neck creates the upper end of the periphery lower than point compression 16; When answering the upper inner sealing surface not installing sealed cap 7 and sealed cap 7 of the periphery of the sealing neck of magnetic piston 2 not seal with annular sealing surface 15, vent 14 communicates with answering a point compression 16 for magnetic piston 2 upper 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 17 creates circular hole, and the ring surface of circular hole creates inlays point gas confinement plate 3 stationary plane, and the annular bottom surface 19 of circular hole creates the face that restriction point gas confinement plate 3 inlays the degree of depth; A described point compression 16 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 14; Described vent 14 creates the circular hole communicated with point compression 16.

Described annular sealing surface 15 creates the smooth sealing surface of ring, and the upper end of the sealing neck in the middle part of the lower end being manufactured on the inner chamber of answering the upper end of the sealing neck of magnetic piston 2 to coordinate with the inner sealing surface of sealed cap 7 and to be manufactured on negative pressure shell 1 respectively coordinates with the inner sealing surface in sealed cap 7; Described sealed cap 7 creates the circular pipe type cap body of top seal, and the inner top of sealed cap 7 divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole 4.

Point gas confinement plate 3 creates the plate of air passing hole 4, and the anchor ring being embedded in spacing hole 17 is adjacent to the base ring face of spacing hole 17; Air passing hole 4 created the hole of air.

Sealing cone 6 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 6 creates spherosome or oval ball, and the periphery of spherosome or oval ball creates sealing surface, and sealing surface creates smooth sphere; Gravity by self when the sphere of sealing cone or ball sealer 6 and inner conical surface seal presses down and seals inner conical surface.

Field controller creates and controls the controller that generates an electromagnetic field of electromagnetic coil 11, 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 9 creates and connects the bleeder hole of negative pressure shell 1 and the hollow tubular of vacuum tank.

Bleeder hole create in squish chamber that air enters in negative pressure shell 1 through via hole, be manufactured on the center portion of sealing neck; The upper end of the bleeder hole in sealing neck manufactures annular sealing surface 15, and when the annular sealing surface 15 of the sealing neck of protecting crust 12 lower end does not install sealed cap 7, pumping chamber communicates with bleeder hole.

Keep shape in order to ensure protecting crust 12 can protect electromagnetic coil 11 and be not easy distortion, the cavity of protecting crust 12 manufactures the skeleton having support.

Air in the squish chamber that can promote in negative pressure shell 1 to make to answer magnetic piston 2 enters gas outlet valve, adopts and promotes spring 8 as the air promoting to answer in magnetic piston 2 up compression squish chamber in air pressure air valve.

The air extracted in vacuum tank is laid in and is waited to press in pumping chamber, extrudes air and produce air pressure and discharge outside negative pressure shell in squish chamber; In squish chamber during exhaust, pumping chamber communicates with squish chamber; When discharging air in squish chamber, pumping chamber is by sealing cone or ball sealer 6 and answer the internal taper hole in magnetic piston 2 seal and disconnect the bleed-off passage entering squish chamber.

Described environmental protection and energy saving vacuum drawn pump, in the process of exhaust, controls do not have return spring in the one-way check valve of exhaust passage and deaeration passage; When pumping chamber exhaust, answer the suction of the up generation of magnetic piston 2 to open sealed cap 7 and the sealing of the sealing neck of negative pressure shell 1 lower end and open the passage of exhaust, being arranged on and answering the automatic decline return and the passage of closing the exhaust entered in squish chamber seals under the effect of self gravitation of the sealing surface on the sealing neck on magnetic piston 2; When squish chamber exhaust, being arranged on the sealing cone of the internal taper hole of gas outlet valve or ball sealer 6 utilizes the gravity of self to make sealing cone or ball sealer 6 decline return and the passage of closing the extrusion air on gas outlet valve seals automatically, answers magnetic piston 2 descending and makes to produce pumping chamber in pressure promotion and be arranged on and answer the up passage then opening the exhaust entered in squish chamber of the sealed cap 7 on the sealing neck of magnetic piston 2; When giving vent to anger in squish chamber, under the effect of outlet pressure, promote sealing cone on the internal taper hole of gas outlet valve or ball sealer 6 up and open the passage of giving vent to anger of gas outlet valve, be arranged on and answer the sealed cap 7 on the sealing neck of magnetic piston 2 to utilize the gravity of self to make sealed cap 7 decline return and close and answer the passage of the exhaust on magnetic piston 2 to seal 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 11 generates an electromagnetic field; The attraction force that electromagnetic field produces pulls the pressure of answering magnetic piston 2 to overcome promotion spring 8 to move down, when answering magnetic piston 2 to start descending, the sealed cap 7 installed of the sealing neck of negative pressure shell 1 lower end descending return and close the bleed-off passage entering pumping chamber under the effect of self gravitation, descending return under the effect of the sealing cone in gas outlet valve or the draught head of ball sealer 6 under the effect of the gravity of self and inside and outside negative pressure shell and seal the inner conical surface of gas outlet valve, has cut off the outlet passageway in squish chamber; Answer magnetic piston 2 when descending, the air of answering magnetic piston 2 to promote to enter in pumping chamber and make air produce internal pressure, there is the air of pressure upwards wash the sealing of the inner sealing surface of annular sealing surface 15 and sealed cap 7 open from the upper end of answering the vent 14 of magnetic piston 2 to enter into sealing neck and continue up after sealed cap 7 is shifted, enter in squish chamber after the air passing hole 4 that annular is divided on the air passing hole 4 on air drain, sealed cap 7 and point gas confinement plate 3.

Answer magnetic piston 2 descending move to compression promote the compression stage of spring 8 spacing time, the power-on circuit of field controller cutoff solenoid 11, electromagnetic field disappears, and answers magnetic piston 2 up under the promotion promoting spring 8; When answering magnetic piston 2 to start up, be arranged on and answer the sealed cap 7 on the sealing neck of magnetic piston 2 descending and close the bleed-off passage that air enters squish chamber under the effect of the gravity of self; When answering magnetic piston 2 up, answer the up of magnetic piston 2 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 6 up and open the sealing channel of gas outlet valve, make the air in squish chamber enter in air through gas outlet valve; Answer magnetic piston 2 when up, magnetic piston 2 is answered also to make to create pull of vacuum in pumping chamber, it is up and the annular sealing surface 15 of the sealing neck upper end of negative pressure shell 1 lower end is separated with the inner sealing surface of sealed cap 7 that pull of vacuum inhales motive sealing cap 7, and air enters in the pumping chamber of answering below magnetic piston 2 that exhaust tube enters through the air passing hole 4 of bleeder hole through sealed cap 7 in negative pressure shell 1 in vacuum tank.

Answer magnetic piston 2 promote spring 8 promotion under up put in place time, the sealed cap 7 installed of the sealing neck of negative pressure shell 1 lower end descending return and close the bleed-off passage entering pumping chamber under the effect of self gravitation, descending return under the effect of the sealing cone in gas outlet valve or the draught head of ball sealer 6 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; Now, the power-on circuit that field controller connects again electromagnetic coil 11 again generates an electromagnetic field and makes to answer magnetic piston 2 descending; The connection of circulation like this and cut off circuit, makes electromagnetic coil 11 generate an electromagnetic field to pull to answer magnetic piston 2 descending and allow and promote spring 8 and promote to answer magnetic piston 2 up, constantly from extracting air in vacuum tank, and the air extracted is entered in air.

Claims

1. an environmental protection and energy saving vacuum drawn pump, is characterized in that: described environmental protection and energy saving vacuum drawn pump comprises protecting crust, electromagnetic coil, negative pressure shell, bleeder hole, exhaust tube, ball sealer, sealed cap, promotion spring, answers magnetic piston, divides 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 lower part outside negative pressure shell, and protecting crust is fixed on the outside protection electromagnetic coil of the bottom 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;

Sealed cap is installed in negative pressure shell, promotes spring, answer magnetic piston, point gas confinement plate, promote spring fitting at the lower part of the inner chamber of negative pressure shell, answer magnetic piston to be arranged on the upper part of the inner chamber of negative pressure shell, promote spring top and be pressed in the lower end of answering magnetic piston; Answering the spacing hole internal fixtion of the upper end portion of magnetic piston to have a point water confinement plate, answer magnetic piston can slide up and down in the inner chamber of negative pressure shell; A point gas confinement plate is had answering the spacing hole internal fixtion of magnetic piston upper end, the annular sealing surface of the sealing neck end in point compression of answering the upper part of magnetic piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap is being answered between point compression of magnetic piston and point gas confinement plate and can moved up and down, and sealed cap can seal with answering the annular sealing surface of magnetic piston to coordinate or open the bleed-off passage in the squish chamber entered in negative pressure shell; On the periphery of the sealing neck of the lower end in negative pressure shell, cover has sealed cap, and the periphery of the sealing neck of the lower end of sealed cap in negative pressure shell can slide up and down; Inner sealing surface in sealed cap coordinates the bleed-off passage that can seal or open and enter in negative pressure shell with the annular sealing surface of sealing neck end; When answering magnetic piston stroking upward, the inner chamber part of answering the negative pressure shell of magnetic piston lower part is pumping chamber; When answering magnetic descent of piston, the inner chamber part of the negative pressure shell of magnetic piston upper part is answered to be squish chamber; Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell, the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with bleeder hole and vacuum tank; Be provided with gas outlet valve in the upper end of negative pressure shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of negative pressure shell;

The material of described 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 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; The material of a type in material employing metal, plastics, rubber, nylon and the glass fibre reinforced plastics of sealed cap or the composite material of several types; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction;

Described 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 sealing neck protruding upward at the middle part of the lower end in negative pressure shell, the upper end portion of sealing neck is annular sealing surface, the inside of sealing neck is bleeder hole, when the inner sealing surface of sealed cap does not seal with annular sealing surface, bleeder hole is communicated with pumping chamber by air passing hole, and the inner sealing surface of sealed cap coordinates with the annular sealing surface of sealing neck;

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; 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; The sealing of inner conical surface and ball sealer can be opened when being with the air of pressure from the endoporus of hollow valve body lower end and form passage;

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

Described magnetic piston of answering is columniform iron core, the limited location hole, position of the center line of columniform iron core, point compression and vent; 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 annular sealing surface of sealing neck upper end is lower than the upper end of the periphery of point compression; When answering the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of magnetic piston not seal with annular sealing surface, vent communicates with answering a point compression for magnetic piston upper end; Spacing hole is used for a fixing point of gas confinement plate, and point compression is for disperseing the air that passes through and guiding air to enter air passing hole on sealed cap; The periphery of columniform iron core is smooth periphery, and smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Periphery coordinates with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell; Described spacing hole is the rounded face of circular hole circular hole is 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 upper part of sealing neck is circular hole, and the exterior portion of sealing neck is the groove of ring, and the periphery of the periphery of circular hole and the groove of ring is connected, and circular hole communicates with vent; Described vent is the hole communicated with point compression;

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

A described point of gas confinement plate is the plate having air passing hole, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole can allow air pass through;

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; Self gravitation by ball sealer when the sphere of ball sealer and inner conical surface seal presses down and seals inner conical surface;

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 in air enters in negative pressure shell squish chamber through via hole, in the center portion of sealing neck; There is annular sealing surface the upper end of the bleeder hole in sealing neck, and when the annular sealing surface of the sealing neck of protecting crust lower end does not install sealed cap, pumping chamber communicates with bleeder hole;

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

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

During use, the power-on circuit of insulated electric conductor and field controller connected by teacher of the opening position key operation, and the power-on circuit that field controller connects electromagnetic coil generates an electromagnetic field; The attraction force that electromagnetic field produces pulls the pressure of answering magnetic piston overpowers to promote spring to move down, when answering magnetic piston to start descending, the sealed cap installed of the sealing neck of negative pressure shell lower end descending return and close the bleed-off passage entering pumping chamber under the effect of self gravitation, descending return under the effect of the draught head of the ball sealer in gas outlet valve under the effect of the gravity of self and inside and outside negative pressure shell and seal the inner conical surface of gas outlet valve, has cut off the outlet passageway in squish chamber; Answer magnetic piston when descending, the air of answering magnetic piston to promote to enter in pumping chamber and make air produce internal pressure, there is the air of pressure upwards wash the sealing of the inner sealing surface of annular sealing surface and sealed cap open from the upper end of answering the vent of magnetic piston to enter into sealing neck and continue up after sealed cap is shifted, enter in squish chamber after the air passing hole that annular is divided on the air passing hole on air drain, sealed cap and point gas confinement plate;

Answer magnetic descent of piston move to compression promote the compression stage of spring spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappears, and answers magnetic piston up under the promotion promoting spring; When answering magnetic piston to start up, be arranged on and answer the sealed cap on the sealing neck of magnetic piston descending and close the bleed-off passage that air enters squish chamber under the effect of the gravity of self; When answering magnetic piston stroking upward, answer the up of magnetic piston and make the air in squish chamber create pressure, having the air of pressure to enter into internal taper hole in gas outlet valve from the endoporus of the sealed end of gas outlet valve lower end, to promote ball sealer up and open the sealing channel of gas outlet valve, makes the air in squish chamber enter in air through gas outlet valve; Answer magnetic piston when up, magnetic piston is answered also to make to create pull of vacuum in pumping chamber, it is up and the annular sealing surface of the sealing neck upper end of negative pressure shell lower end is separated with the inner sealing surface of sealed cap that pull of vacuum inhales motive sealing cap, and air enters in the pumping chamber of answering below magnetic piston that exhaust tube enters through the air passing hole of bleeder hole through sealed cap in negative pressure shell in vacuum tank;

Answer magnetic piston promote spring promotion under up put in place time, the sealed cap installed of the sealing neck of negative pressure shell lower end descending return and close the bleed-off passage entering pumping chamber under the effect of self gravitation, 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; Now, the power-on circuit that field controller connects again electromagnetic coil generates an electromagnetic field again and to make to answer magnetic piston overpowers to promote the resistance of spring descending; The connection of circulation like this and cut off circuit, makes electromagnetic coil generate an electromagnetic field to pull to answer magnetic descent of piston and allows promoting spring and promote to answer magnetic piston stroking upward, constantly from extracting air in vacuum tank, and the air extracted is entered in air.

2. environmental protection and energy saving vacuum drawn pump according to claim 1, it is characterized in that: the air in the squish chamber promoting in negative pressure shell to enable to answer magnetic piston enters gas outlet valve, adopting and promoting spring as promoting to answer magnetic piston stroking upward to compress air in squish chamber in air pressure air valve.

3. environmental protection and energy saving vacuum drawn pump 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.

4. environmental protection and energy saving vacuum drawn pump according to claim 1, it is characterized in that: in order to ensure that environmental protection and energy saving vacuum drawn pump 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.

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

6. a manufacture method for environmental protection and energy saving vacuum drawn pump, is characterized in that: during fabrication, the material of a type in protecting crust employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the composite material manufacture of several types; Hollow valve body and negative pressure shell adopt the material of a type in metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; 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 sealed cap employing metal, plastics, rubber, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Magnetic piston is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy;

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 annular position, 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 sealing neck protruding upward, the upper end portion of sealing neck creates annular sealing surface, the inside of sealing neck creates bleeder hole, when the inner sealing surface of sealed cap does not seal with annular sealing surface, bleeder hole is communicated with pumping chamber by air passing hole, and the inner sealing surface of sealed cap coordinates with the annular sealing surface of sealing neck;

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; 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; The sealing of inner conical surface and ball sealer can be opened when being with the air of pressure from the endoporus of hollow valve body lower end and form passage;

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

Answer magnetic piston to create columniform iron core, the position of the center line of columniform iron core manufactures limited location hole, point compression 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 answering the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of magnetic piston not seal with annular sealing surface, vent communicates with answering a point compression for magnetic piston upper 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 point compression;

Described annular sealing surface creates the smooth sealing surface of ring, and the upper end of sealing neck in the middle part of the lower end being manufactured on the inner chamber of answering the upper end of sealing neck of magnetic piston to coordinate with the inner sealing surface of sealed cap and to be manufactured on negative pressure shell respectively coordinates with the inner sealing surface in sealed cap; Described sealed cap creates the circular pipe type cap body of top seal, and the inner top of sealed cap divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole;

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

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

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 in squish chamber that air enters in negative pressure shell through via hole, be manufactured on the center portion of sealing neck; The upper end of the bleeder hole in sealing neck manufactures annular sealing surface, and when the annular sealing surface of the sealing neck of protecting crust lower end does not install sealed cap, pumping chamber communicates with bleeder hole;

In order to ensure that environmental protection and energy saving vacuum drawn pump 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 squish chamber promoting in negative pressure shell to enable to answer magnetic piston enters gas outlet valve, adopts and promotes spring as promoting to answer magnetic piston stroking upward to compress air in squish chamber in air pressure air valve;

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the lower part outside negative pressure shell, and protecting crust is fixed on the outside protection electromagnetic coil of the bottom 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; Sealed cap is installed in negative pressure shell, promotes spring, answer magnetic piston, point gas confinement plate, promote spring fitting at the lower part of the inner chamber of negative pressure shell, answer magnetic piston to be arranged on the upper part of the inner chamber of negative pressure shell, promote spring top and be pressed in the lower end of answering magnetic piston; Answering the spacing hole internal fixtion of the upper end portion of magnetic piston to have a point water confinement plate, answer magnetic piston can slide up and down in the inner chamber of negative pressure shell; A point gas confinement plate is had answering the spacing hole internal fixtion of magnetic piston upper end, the annular sealing surface of the sealing neck end in point compression of answering the upper part of magnetic piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap is being answered between point compression of magnetic piston and point gas confinement plate and can moved up and down, and sealed cap can seal with answering the annular sealing surface of magnetic piston to coordinate or open the bleed-off passage in the squish chamber entered in negative pressure shell; On the periphery of the sealing neck of the lower end in negative pressure shell, cover has sealed cap, and the periphery of the sealing neck of the lower end of sealed cap in negative pressure shell can slide up and down; Inner sealing surface in sealed cap coordinates the bleed-off passage that can seal or open and enter in negative pressure shell with the annular sealing surface of sealing neck end; When answering magnetic piston stroking upward, the inner chamber part of answering the negative pressure shell of magnetic piston lower part is pumping chamber; When answering magnetic descent of piston, the inner chamber part of the negative pressure shell of magnetic piston upper part is answered to be squish chamber; Be fixed with exhaust tube at the bleeder hole place of the lower end of negative pressure shell, the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with bleeder hole and vacuum tank; Be provided with gas outlet valve in the upper end of negative pressure shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of negative pressure shell.