CN105604889A

CN105604889A - Environment-friendly energy-saving vacuumizing device

Info

Publication number: CN105604889A
Application number: CN201610047811.6A
Authority: CN
Inventors: 刘孟
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-25
Filing date: 2016-01-25
Publication date: 2016-05-25

Abstract

The invention provides an environment-friendly energy-saving vacuumizing device and belongs to the field of vacuum servo for automobile braking. A protective shell of the environment-friendly energy-saving vacuumizing device is internally provided with an upper magnetic field and a lower magnetic field which are arranged at the outer surface of a negative-pressure shell; the annular inner end of the protective shell is fixed at the outer surface of the negative-pressure shell; an air outlet valve is fixed in a central hole of the negative-pressure shell; the negative-pressure shell is internally provided with a magnetism-induced piston; sealing cones or sealing balls seal a bleed-off passage of a bleed-off cavity and a bleed-off passage of an air extrusion cavity; a limit hole in the upper end of the magnetism-induced piston is internally and fixedly provided with an air distribution limit plate; an inner cone hole of the magnetism-induced piston is internally provided with the sealing cones or the sealing balls, and the lower end of the magnetism-induced piston is provided with an accommodating hole. The environment-friendly energy-saving vacuumizing device is compact in structure, less in vibration, high in power, high in electrical energy utilization rate, high in vacuumizing efficiency, good in market prospect and beneficial to industrial production, and is applicable to industrial vacuumization and installation of oil-engine driven automobiles and electric vehicles.

Description

Environmental protection and energy saving vacuum drawn equipment

Technical field

The present invention relates to the environmental protection and energy saving vacuum drawn equipment that a kind of vacuum booster for the master cylinder to automobile produces vacuum power.

Background technology

The vavuum pump using on traditional automobile is to adopt the bias formula of laing eggs, and lays eggs to produce when rotated that suction is bled and vacuum.

Summary of the invention

The object that the present invention relates to is in order to provide a kind of electromagnetism pulled straight piston movement to bleed and manufacture and the method thereof of vacuum environmental protection and energy saving vacuum drawn equipment.

For achieving the above object, environmental protection and energy saving vacuum drawn equipment of the present invention mainly comprises containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, aspirating hole, exhaust tube, sealing cone or ball sealer, limited cap, answers magnetic piston, crosses gas confinement plate, internal taper hole, passage, air outlet valve, field controller; Or described environmental protection and energy saving vacuum drawn equipment mainly comprises containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, aspirating hole, exhaust tube, sealing cone or ball sealer, limited cap, answers magnetic piston, crosses gas confinement plate, internal taper hole, passage, air outlet valve, field controller, electronic remote controller.

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

In connection, the circuit in magnetic field He Xia magnetic field 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 switch, and field controller is arranged in containment vessel; Or; in connection, the circuit in magnetic field He Xia magnetic field 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 switch, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in containment vessel.

Limited cap is installed in negative pressure shell, answers magnetic piston, sealing cone or ball sealer, cross gas confinement plate, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; In the spacing hole of answering magnetic piston upper end, be fixed with gas confinement plate, sealing cone or ball sealer are installed in the internal taper hole of upper part of answering magnetic piston, sealing cone or ball sealer internal taper hole with cross point pore between gas confinement plate and can move up and down with answering in the internal taper hole of magnetic piston; Sealing cone or ball sealer are installed in the internal taper hole in the sealing neck of the lower end in negative pressure shell, limited cap is fixed on the outside of sealing neck by screw thread or jump ring, limited cap is in the accommodation hole of answering the lower end of magnetic piston upwards to cave in time, and limited cap and accommodation hole are gapped; Sealing cone or ball sealer coordinate with the internal taper hole in sealing neck and can seal or open the bleed-off passage entering in negative pressure shell; While answering magnetic piston stroking upward, answering the inner chamber part of the negative pressure shell of magnetic piston lower part is pumping chamber; While answering magnetic descent of piston, the inner chamber part of answering the negative pressure shell of magnetic piston upper part is squish chamber. Aspirating hole place in the lower end of negative pressure shell is fixed with exhaust tube, and the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with aspirating hole and vacuum tank; Upper end at negative pressure shell is provided with air outlet valve, and the lower part of air outlet valve is fixed in the centre bore of one end above of negative pressure shell.

The material of described containment vessel is the material of a type in metal, plastics, nylon, fiberglass or the composite of several types; The material of one type in material employing metal, plastics, nylon and the fiberglass of hollow valve body and negative pressure shell or the composite of several types; The material of one type in material employing metal, plastics, nylon and the rubber of sealing cone and ball sealer or the composite of several types; The material of answering magnetic piston is the material of the hard to bear magnetic field suction of energy.

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

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

The inner chamber of described negative pressure shell is circular cylindrical cavity, and the face of cylinder of columniform cavity is smooth curved surface; Upper end on the center line of inner chamber has centre bore to pass negative pressure shell, lower end has aspirating hole and internal taper hole stack to wear out the negative pressure shell below upper and lower side and the sealing neck of sealing neck; There is sealing neck protruding upward at the middle part of the lower end in negative pressure shell, and the upper part of the inside of sealing neck is that internal taper hole, lower part are aspirating holes, and when sealing cone or ball sealer are not installed in internal taper hole, internal taper hole communicates with aspirating hole.

Described air outlet valve comprises hollow valve body and sealing cone or ball sealer, and hollow valve body is hollow pipe, and internal taper hole is in middle part or the middle and lower part of the inner chamber of hollow pipe, and the internal diameter of the upper part of the internal taper hole in hollow pipe is large, the internal diameter of lower part is little; There is return-air sealed end the lower end of hollow valve body, the lower surface of return-air sealed end is internal taper hole in lower end, the upper surface of hollow valve body, the large end of internal taper hole communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, and sealing cone or ball sealer are installed on the inner conical surface of internal taper hole; When enter the air of pressure from the endoporus of hollow valve body lower end, can open inner conical surface and form passage with the sealing of sealing cone or ball sealer.

For the ease of the processing of negative pressure shell be convenient to accessory to pack in negative pressure shell, described negative pressure shell is the assembly after segmentation; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the upper part of segmentation place is that pump cover, lower part are the main bodys of negative pressure shell, centre bore is on pump cover, and aspirating hole is at the middle part of the main body lower end of negative pressure shell, and the main body of pump cover and negative pressure shell is combined into a composite entity; Or, the lower end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the lower part of segmentation place is that pump cover, upper part are the main bodys of negative pressure shell, aspirating hole is at the middle part of pump cover, centre bore is at the middle part of the upper end of the main body of negative pressure shell, and the main body of pump cover and negative pressure shell is combined into a composite entity.

The described magnetic piston of answering is columniform iron core, the limited location hole, upper end of columniform iron core, it below spacing hole, is a point pore, below point pore, it is internal taper hole, it below internal taper hole, is passage, below passage, be accommodation hole, the center line of internal taper hole, passage and accommodation hole is on the cylinder center line of columniform iron core; There are passage and internal taper hole in the position of the center line of columniform iron core, and internal taper hole is on passage, and when sealing cone or ball sealer are not installed in internal taper hole, internal taper hole communicates with passage and a point pore; The accommodation hole of the oriented upper depression in lower end of columniform iron core, in the time of the lower end of answering in magnetic piston arrives negative pressure shell, accommodation hole is used for holding limited cap and limited cap is not bumped with answering magnetic piston; Spacing hole is used for fixing gas confinement plate, and point pore entered the air passing hole on gas confinement plate for the air and the guiding air that disperse to pass through; The periphery of columniform iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with sealing ring; Periphery coordinates inner chamber that can sealed negative-pressure shell with the inner chamber of negative pressure shell, and can in the inner chamber of negative pressure shell, slide. Described spacing hole is that the circular face of circular hole circular hole is to inlay gas confinement plate stationary plane, and the base ring face of circular hole is to limit gas confinement plate to inlay the face of the degree of depth; A described point pore is the circular hole communicating with spacing hole and internal taper hole; Described passage is the hole communicating with accommodation hole and internal taper hole; The circular hole that described accommodation hole communicates with passage, upwards caves in.

Described internal taper hole is the circular hole that has tapering, the face of circular hole is inner conical surface, inner conical surface coordinates with the male cone (strobilus masculinus) of sealing cone or the sphere of ball sealer, under the effect of the gravity of sealing cone or ball sealer self, can seal inner conical surface, can open by suction at sealing cone or while having suction ball sealer above that inner conical surface is bored with sealing or the passage of the ball face sealing of ball sealer; Sealing cone or the air pressure above ball sealer are larger, and the gluing, sealing effect of sealing cone or ball sealer and inner conical surface is better.

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

Described sealing cone is cone or cone cylinder, and the periphery of cone or cone cylinder is smooth male cone (strobilus masculinus); The male cone (strobilus masculinus) of sealing cone presses down and seals inner conical surface by sealing the self gravitation of conisphere during with inner conical surface 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; The sphere of sealing cone or ball sealer is bored or the self gravitation of ball sealer presses down and seals inner conical surface by sealing during with inner conical surface sealing.

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

Described field controller is to control He Xia magnetic field, the upper magnetic field controller generating an electromagnetic field that circulate, controlling the time of go up the electromagnetic field generation of He Xia magnetic field, magnetic field with the time length generating an electromagnetic field and after generating an electromagnetic field at every turn to the interval time generating an electromagnetic field again for the second time.

Described He Xia magnetic field, upper magnetic field is the solenoid that can generate an electromagnetic field.

In order to prevent that robber from stealing automobile easily, when robber is driven a car, there is no vacuum servo and stopping stealing garage is to adopt installing remote device between teacher position key switch and field controller to connect and cut off the power-on circuit generating an electromagnetic field; Described electronic remote controller is the switch of connecting and cutting off the circuit of field controller, comprises the switch sections and the electronic telecontrol part that switch on or off circuit, and electronic telecontrol part comprises remote controller switch and electronic signal receiver; Remote controller switch is carried for driver, is convenient to the normal work of pilot control environmental protection and energy saving vacuum drawn equipment and the control circuit of cut-out environmental protection energy-saving vacuum extracting device; Described electronic remote controller can have in the present invention, also can not have.

Described exhaust tube is to connect the aspirating hole of negative pressure shell and the hollow pipe of vacuum tank.

Described aspirating hole be air enter in the squish chamber in negative pressure shell through via hole, at the lower part in centre of sealing neck, above the upper end of the aspirating hole in sealing neck, there is internal taper hole, when sealing cone or ball sealer are not installed in the internal taper hole in sealing neck, internal taper hole communicates with aspirating hole and pumping chamber.

In pumping chamber, lay in and wait to press from the air extracting in vacuum tank, in squish chamber, push air and produce air pressure and discharge outside negative pressure shell; In squish chamber, when exhaust, pumping chamber communicates with squish chamber; Discharge air in squish chamber time, pumping chamber is by sealing cone or ball sealer and answer the internal taper hole sealing in magnetic piston to disconnect the bleed-off passage that enters squish chamber.

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

In order to ensure that environmental protection and energy saving vacuum drawn equipment enough normally works, adopt connection and the cut-out of the power-on circuit of the teacher position key switch controlling magnetic field controller connecting with insulated electric conductor; Or, connection and the cut-out of the teacher position key switch that employing and insulated electric conductor connect and the circuit of electronic remote controller co-controlling field controller.

Keep shape in order to ensure containment vessel can protect He Xia magnetic field, upper magnetic field and be not easy distortion, on the cavity of containment vessel, manufacture the skeleton that has support.

In order to make the air of answering magnetic piston can promote in the squish chamber in negative pressure shell enter air outlet valve, adopt promotion spring to answer the air in magnetic descent of piston compression pumping chamber to enter the power in squish chamber as promoting.

When use, there is no electronic remote controller in circuit, teacher of the opening position key switch directly connects the power-on circuit of insulated electric conductor and field controller; In circuit, have electronic remote controller, press the starting button of remote controller switch after the key of teacher of the opening position, electronic signal receiver receives the circuit of connecting electronic remote controller and field controller after initiating signal; The power-on circuit that He Xia magnetic field, upper magnetic field is connected in field controller circulation generates an electromagnetic field; The attraction that upper magnetic field electromagnetic field produces pulls answers magnetic piston to move up, answer magnetic piston to start when up, be arranged on sealing cone on the internal taper hole of answering magnetic piston or ball sealer descending return and the bleed-off passage of having closed air and enter squish chamber under the effect of the gravity of self; In the time answering magnetic piston stroking upward, answer the up of magnetic piston and make the air in squish chamber produce pressure, the air that has pressure enters into from the endoporus of the sealed end of air outlet valve lower end that internal taper hole in air outlet valve promotes sealing cone or ball sealer is up and open the seal channel of air outlet valve, and the air in squish chamber is entered in atmosphere through air outlet valve; Answer magnetic piston when up, answer magnetic piston also to make to have produced in pumping chamber pull of vacuum, pull of vacuum is inhaled moving sealing cone or the ball sealer that is arranged on the internal taper hole in sealing neck and is separated with internal taper hole, air enters into internal taper hole from entering exhaust tube in vacuum tank through aspirating hole, then enters answering in the pumping chamber below magnetic piston in negative pressure shell through the air passing hole on limited cap.

While answering magnetic piston stroking upward to move into place, after the power-on circuit in the upper magnetic field of field controller disconnection, connect the power-on circuit in lower magnetic field, the magnetic field diminishes in upper magnetic field, the electromagnetic field that lower magnetic field produces pulls answers magnetic descent of piston; Answer magnetic piston to start when descending, under sealing cone on internal taper hole in sealing neck or the effect of the pull of vacuum of ball sealer under the effect of self gravitation and in vacuum tank, close the bleed-off passage that enters pumping chamber, sealing cone in air outlet valve or ball sealer descending return and seal the inner conical surface of air outlet valve under the effect of the gravity of self and under the effect of the inside and outside draught head of negative pressure shell, has cut off the outlet passageway in squish chamber; Answer magnetic piston when descending, answer magnetic piston to promote to enter the air in pumping chamber and make air produce internal pressure, have the air of pressure answer from answering the passage of magnetic piston to enter into the internal taper hole of magnetic piston upwards wash open with the sealing cone of internal taper hole sealing or ball sealer displacement after continue up, through undue pore and enter in squish chamber after the air passing hole on gas confinement plate.

While answering under the pulling of the electromagnetic field that magnetic piston produces in lower magnetic field descending putting in place, answer the sealing cone on the inner conical surface of magnetic piston or ball sealer is descending under the effect of the gravity of self inner conical surface is shut and made air not return to pumping chamber, now, the power-on circuit that field controller is connected again magnetic field again generates an electromagnetic field and makes to answer magnetic piston stroking upward; So power-on circuit in the connection of circulation and the upper magnet of cut-out and lower magnetic field, the electromagnetic field that magnetic field is generated an electromagnetic field pull to answer magnetic piston stroking upward, lower magnetic field to produce pulls answers magnetic descent of piston, enter in atmosphere constantly from extracting air in vacuum tank, and the air extracting.

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

During fabrication, the material of a type in containment vessel employing metal, plastics, nylon, fiberglass or the composite manufacture of several types; The material of one type in hollow valve body and negative pressure shell employing metal, plastics, nylon and fiberglass or the composite manufacture of several types; The material of one type in sealing cone and ball sealer employing metal, plastics, nylon and rubber or the composite manufacture of several types; Answer magnetic piston to adopt the material manufacture of the hard to bear magnetic field suction of energy.

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

For convenient for assembly, during fabrication, containment vessel, from annular position is divided into two parts manufacture, recombinant is together for containment vessel.

The inner chamber of negative pressure shell creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; The centre bore, the lower end manufacture that have through negative pressure shell are manufactured in upper end on the center line of inner chamber aspirating hole and internal taper hole, and the negative pressure shell below upper and lower side and the sealing neck that seals neck is worn out in aspirating hole and internal taper hole stack; Manufacture at the middle part of the lower end in negative pressure shell sealing neck protruding upward, and the upper part of the inside of sealing neck creates internal taper hole, lower part creates aspirating hole, and internal taper hole communicates with aspirating hole, and internal taper hole coordinates with sealing cone or ball sealer.

Air outlet valve creates hollow valve body and sealing cone or ball sealer two parts, hollow valve body creates hollow pipe, internal taper hole is manufactured on middle part or the middle and lower part of the inner chamber of hollow pipe, and the internal diameter internal diameter large, that lower part is manufactured that the upper part of the internal taper hole in hollow pipe is manufactured is little; Manufacture the lower end of hollow valve body return-air sealed end, lower end, upper surface that the lower surface of return-air sealed end is manufactured on hollow valve body create internal taper hole, the large end of internal taper hole communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, and sealing cone or ball sealer are installed on the inner conical surface of internal taper hole; When enter the air of pressure from the endoporus of hollow valve body lower end, can open inner conical surface and form passage with the sealing of sealing cone or ball sealer.

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

Answer magnetic piston to create columniform iron core, limited location hole is manufactured in the upper end of columniform iron core, below spacing hole, manufacture and have a point pore, point pore below manufacture has internal taper hole, below internal taper hole, manufacture and have passage, below passage, manufacture and have accommodation hole, the center line that internal taper hole, passage and accommodation hole are manufactured is on the cylinder center line of columniform iron core; The position of the center line of columniform iron core manufacture have passage and internal taper hole, internal taper hole be manufactured on passage above, below point pore, when sealing cone or ball sealer are not installed in internal taper hole, internal taper hole is with passage and divide a pore to communicate; The accommodation hole of oriented upper depression is manufactured in the lower end of columniform iron core; The periphery of columniform iron core creates smooth periphery, manufactures the annular groove that has depression on smooth periphery, and annular groove is embedded with sealing ring; Periphery coordinates inner chamber that can sealed negative-pressure shell with the inner chamber of negative pressure shell, and can in the inner chamber of negative pressure shell, slide. Described spacing hole creates circular hole, and the ring surface of circular hole creates inlayed gas confinement plate stationary plane, and the base ring face of circular hole creates and limited gas confinement plate and inlay the face of the degree of depth; A described point pore creates circular hole, communicates with spacing hole and internal taper hole; Described passage creates the circular hole communicating with accommodation hole and internal taper hole; Described accommodation hole creates the upwards circular hole of depression, communicates with passage.

Described internal taper hole creates the circular hole of tapering, the face of circular hole creates inner conical surface, under the effect of the gravity of sealing cone or ball sealer self, can seal inner conical surface, can open by suction at sealing cone or while having suction ball sealer above that inner conical surface is bored with sealing or the passage of the ball face sealing of ball sealer; Sealing cone or the air pressure above ball sealer are larger, and the gluing, sealing effect of sealing cone or ball sealer and inner conical surface is better.

Cross the plate that gas confinement plate creates air passing hole, be embedded on the anchor ring of spacing hole and be adjacent to the base ring face of spacing hole; Air passing hole creates the hole that allows air pass through.

Ball sealer creates spherosome or oval ball, and the periphery of spherosome or oval ball creates sealing surface, and sealing surface creates smooth sphere; The sphere of sealing cone or ball sealer is bored or the self gravitation of ball sealer presses down and seals inner conical surface by sealing during with inner conical surface sealing.

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 presses down and seals inner conical surface by sealing the self gravitation of conisphere during with inner conical surface sealing.

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

Field controller creates controls He Xia magnetic field, the upper magnetic field controller generating an electromagnetic field that circulate, controlling the time of go up the electromagnetic field generation of He Xia magnetic field, magnetic field with the time length generating an electromagnetic field and after generating an electromagnetic field at every turn to the interval time generating an electromagnetic field again for the second time.

Described He Xia magnetic field, upper magnetic field creates the solenoid that can generate an electromagnetic field.

In order to prevent that robber from stealing automobile easily, when robber is driven a car, there is no vacuum servo and stopping stealing garage is to adopt installing remote device between teacher position key switch and field controller to connect and cut off the power-on circuit generating an electromagnetic field; Described electronic remote controller creates the switch of connecting and cutting off the circuit of field controller, comprises the switch sections and the electronic telecontrol part that switch on or off circuit, and 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 aspirating hole of negative pressure shell and the hollow pipe of vacuum tank.

Aspirating hole create air enter in the squish chamber in negative pressure shell through via hole, be manufactured on the lower part in the centre of sealing neck, above the upper end of the aspirating hole in sealing neck, manufacture and have internal taper hole, when sealing cone or ball sealer are not installed in the internal taper hole in sealing neck, internal taper hole communicates with aspirating hole and pumping chamber.

He Xia magnetic field in magnetic field on being provided with in containment vessel, upper magnetic field is fixed on the upper part of negative pressure shell outside, and lower magnetic field is fixed on the lower part of negative pressure shell outside, and containment vessel is fixed on the He Xia magnetic field, the upper magnetic field of protection, outside of negative pressure shell; Below the outside of containment vessel, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the aspirating hole of negative pressure shell lower end. In connection, the circuit in magnetic field He Xia magnetic field 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 switch, and field controller is arranged in containment vessel; Or; in connection, the circuit in magnetic field He Xia magnetic field 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 switch, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in containment vessel. Limited cap is installed in negative pressure shell, answers magnetic piston, sealing cone or ball sealer, cross gas confinement plate, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; In the spacing hole of answering magnetic piston upper end, be fixed with gas confinement plate, sealing cone or ball sealer are installed in the internal taper hole of upper part of answering magnetic piston, sealing cone or ball sealer internal taper hole with cross point pore between gas confinement plate and can move up and down with answering in the internal taper hole of magnetic piston; Sealing cone or ball sealer are installed in the internal taper hole in the sealing neck of the lower end in negative pressure shell, limited cap is fixed on the outside of sealing neck by screw thread or jump ring, limited cap is in the accommodation hole of answering the lower end of magnetic piston upwards to cave in time, and limited cap and accommodation hole are gapped; Sealing cone or ball sealer coordinate with the internal taper hole in sealing neck and can seal or open the bleed-off passage entering in negative pressure shell; While answering magnetic piston stroking upward, answering the inner chamber part of the negative pressure shell of magnetic piston lower part is pumping chamber; While answering magnetic descent of piston, the inner chamber part of answering the negative pressure shell of magnetic piston upper part is squish chamber. Aspirating hole place in the lower end of negative pressure shell is fixed with exhaust tube, and the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with aspirating hole and vacuum tank; Upper end at negative pressure shell is provided with air outlet valve, and the lower part of air outlet valve is fixed in the centre bore of one end above of negative pressure shell.

The compact conformation of environmental protection and energy saving vacuum drawn equipment of the present invention, vibrate little, powerful, utilization rate of electrical is high, the efficiency of extracting vacuum is high, is suitable for oil-engine driven automobile and electric automobile and installs and uses; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

Brief description of the drawings

Fig. 1 and Fig. 2 are the structural representations of environmental protection and energy saving vacuum drawn equipment.

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

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

Shown in figure: negative pressure shell 1, answer magnetic piston 2, cross gas confinement plate 3, hollow valve body 5, sealing cone or ball sealer 6, passage 7, upper magnetic field 8, lower magnetic field 9, containment vessel 10, foot rest 11, limited cap 12, air passing hole 13, exhaust tube 15, internal taper hole 16, point pore 17, spacing hole 18, accommodation hole 19, inner conical surface 21, base ring face 25.

Detailed description of the invention

Environmental protection and energy saving vacuum drawn equipment of the present invention mainly comprises containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, aspirating hole, exhaust tube, sealing cone or ball sealer, limited cap, answers magnetic piston, crosses gas confinement plate, internal taper hole, passage, air outlet valve, field controller; Or comprise containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, aspirating hole, exhaust tube, sealing cone or ball sealer, limited cap, answer magnetic piston, cross gas confinement plate, internal taper hole, passage, air outlet valve, field controller, electronic remote controller.

Claims

1. an environmental protection and energy saving vacuum drawn equipment, is characterized in that: described environmental protection and energy saving vacuum drawn equipment comprises containment vessel, upper magnetic field, lower magnetic field, negative pressure shell, aspirating hole, exhaust tube, ball sealer, limited cap, answers magnetic piston, crosses gas confinement plate, internal taper hole, passage, air outlet valve, field controller;

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

In connection, the circuit in magnetic field He Xia magnetic field 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 switch, and field controller is arranged in containment vessel;

Limited cap is installed in negative pressure shell, answers magnetic piston, ball sealer, cross gas confinement plate, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; In the spacing hole of answering magnetic piston upper end, be fixed with gas confinement plate, and in the internal taper hole of upper part of answering magnetic piston, ball sealer be installed, ball sealer is at internal taper hole and cross point pore between gas confinement plate and answer in the internal taper hole of magnetic piston and can move up and down; In internal taper hole in the sealing neck of the lower end in negative pressure shell, ball sealer is installed, limited cap is fixed on the outside of sealing neck by screw thread or jump ring, and limited cap is in the accommodation hole of answering the lower end of magnetic piston upwards to cave in time, and limited cap and accommodation hole are gapped; Ball sealer coordinates with the internal taper hole of sealing in neck and can seal or open the bleed-off passage entering in negative pressure shell; While answering magnetic piston stroking upward, answering the inner chamber part of the negative pressure shell of magnetic piston lower part is pumping chamber; While answering magnetic descent of piston, the inner chamber part of answering the negative pressure shell of magnetic piston upper part is squish chamber; Aspirating hole place in the lower end of negative pressure shell is fixed with exhaust tube, and the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with aspirating hole and vacuum tank; Upper end at negative pressure shell is provided with air outlet valve, and the lower part of air outlet valve is fixed in the centre bore of one end above of negative pressure shell;

The material of described containment vessel is the material of a type in metal, plastics, nylon, fiberglass or the composite of several types; The material of one type in material employing metal, plastics, nylon and the fiberglass of hollow valve body and negative pressure shell or the composite of several types; The material of one type in material employing metal, plastics, nylon and the rubber of ball sealer or the composite of several types; The material of answering magnetic piston is the material of the hard to bear magnetic field suction of energy;

Described containment vessel is the hollow cavity of annular, and wired hole on hollow cavity, is provided with magnetic field, lower magnetic field and field controller in hollow cavity; The inner of the annular housing of hollow cavity is fixed on negative pressure shell; Line hole is the hole that allows insulated electric conductor pass;

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

The inner chamber of described negative pressure shell is circular cylindrical cavity, and the face of cylinder of columniform cavity is smooth curved surface; Upper end on the center line of inner chamber has centre bore to pass negative pressure shell, lower end has aspirating hole and internal taper hole stack to wear out the negative pressure shell below upper and lower side and the sealing neck of sealing neck; There is sealing neck protruding upward at the middle part of the lower end in negative pressure shell, and the upper part of the inside of sealing neck is that internal taper hole, lower part are aspirating holes, and ball sealer is not installed in internal taper hole time, internal taper hole communicates with aspirating hole;

Described air outlet valve comprises hollow valve body and ball sealer, and hollow valve body is hollow pipe, and internal taper hole is in middle part or the middle and lower part of the inner chamber of hollow pipe, and the internal diameter of the upper part of the internal taper hole in hollow pipe is large, the internal diameter of lower part is little; There is return-air sealed end the lower end of hollow valve body, the lower surface of return-air sealed end is internal taper hole in lower end, the upper surface of hollow valve body, the large end of internal taper hole communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, on the inner conical surface of internal taper hole, ball sealer is installed; When enter the air of pressure from the endoporus of hollow valve body lower end, can open the sealing of inner conical surface and ball sealer and form passage;

For the ease of the processing of negative pressure shell be convenient to accessory to pack in negative pressure shell, described negative pressure shell is the assembly after segmentation; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the upper part of segmentation place is that pump cover, lower part are the main bodys of negative pressure shell, centre bore is on pump cover, and aspirating hole is at the middle part of the main body lower end of negative pressure shell, and the main body of pump cover and negative pressure shell is combined into a composite entity; Or, the lower end of the circular cylindrical cavity part in negative pressure shell is divided into two sections, the lower part of segmentation place is that pump cover, upper part are the main bodys of negative pressure shell, aspirating hole is at the middle part of pump cover, centre bore is at the middle part of the upper end of the main body of negative pressure shell, and the main body of pump cover and negative pressure shell is combined into a composite entity;

The described magnetic piston of answering is columniform iron core, the limited location hole, upper end of columniform iron core, it below spacing hole, is a point pore, below point pore, it is internal taper hole, it below internal taper hole, is passage, below passage, be accommodation hole, the center line of internal taper hole, passage and accommodation hole is on the cylinder center line of columniform iron core; There are passage and internal taper hole in the position of the center line of columniform iron core, and internal taper hole is on passage, and ball sealer is not installed in internal taper hole time, internal taper hole communicates with passage and a point pore; The accommodation hole of the oriented upper depression in lower end of columniform iron core, in the time of the lower end of answering in magnetic piston arrives negative pressure shell, accommodation hole is used for holding limited cap and limited cap is not bumped with answering magnetic piston; Spacing hole is used for fixing gas confinement plate, and point pore entered the air passing hole on gas confinement plate for the air and the guiding air that disperse to pass through; The periphery of columniform iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with sealing ring; Periphery coordinates inner chamber that can sealed negative-pressure shell with the inner chamber of negative pressure shell, and can in the inner chamber of negative pressure shell, slide; Described spacing hole is that the circular face of circular hole circular hole is to inlay gas confinement plate stationary plane, and the base ring face of circular hole is to limit gas confinement plate to inlay the face of the degree of depth; A described point pore is the circular hole communicating with spacing hole and internal taper hole; Described passage is the hole communicating with accommodation hole and internal taper hole; The circular hole that described accommodation hole communicates with passage, upwards caves in;

Described internal taper hole is the circular hole that has tapering, the face of circular hole is inner conical surface, inner conical surface coordinates with the sphere of ball sealer, under the effect of the gravity of ball sealer self, can seal inner conical surface, have suction on ball sealer time, can open the passage of the ball face sealing of inner conical surface and ball sealer by suction; Air pressure above ball sealer is larger, and the gluing, sealing effect of ball sealer and inner conical surface is better;

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

Described ball sealer is spherosome or oval ball, and the periphery of spherosome or oval ball is sphere, and sphere is sealing surface; When the sealing of the sphere of ball sealer and inner conical surface, press down by the self gravitation of ball sealer and seal inner conical surface;

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

Described field controller is to control He Xia magnetic field, the upper magnetic field controller generating an electromagnetic field that circulate, controlling the time of go up the electromagnetic field generation of He Xia magnetic field, magnetic field with the time length generating an electromagnetic field and after generating an electromagnetic field at every turn to the interval time generating an electromagnetic field again for the second time;

Described He Xia magnetic field, upper magnetic field is the solenoid that can generate an electromagnetic field;

Described exhaust tube is to connect the aspirating hole of negative pressure shell and the hollow pipe of vacuum tank;

Described aspirating hole be air enter in the squish chamber in negative pressure shell through via hole, at the lower part in centre of sealing neck, above the upper end of the aspirating hole in sealing neck, there is internal taper hole, while ball sealer not being installed in internal taper hole in sealing neck, internal taper hole communicates with aspirating hole and pumping chamber;

In pumping chamber, lay in and wait to press from the air extracting in vacuum tank, in squish chamber, push air and produce air pressure and discharge outside negative pressure shell; In squish chamber, when exhaust, pumping chamber communicates with squish chamber; Discharge air in squish chamber time, pumping chamber disconnects with answering the internal taper hole sealing in magnetic piston the bleed-off passage that enters squish chamber by ball sealer;

Described environmental protection and energy saving vacuum drawn equipment, in the process vacuumizing, does not have return spring in the one-way check valve of control exhaust passage and deaeration passage; In the time of pumping chamber exhaust, the suction of answering magnetic piston stroking upward to produce is opened the sealing of the internal taper hole in the sealing neck of ball sealer and negative pressure shell lower end and is opened the passage of exhaust, is arranged on the passage that ball sealer on the internal taper hole of answering on magnetic piston automatic decline return and closing under the effect of self gravitation enters the exhaust in squish chamber and seals; In the time of the exhaust of squish chamber, the ball sealer that is arranged on the internal taper hole of air outlet valve utilizes the gravity of self to make ball sealer automatically decline return and the passage of closing the extrusion air on air outlet valve seals, and answers magnetic descent of piston and makes to produce pressure in pumping chamber and promote the up passage that enters the exhaust in squish chamber of then opening of ball sealer; In the time giving vent to anger in squish chamber, under the effect that goes out atmospheric pressure, promote ball sealer on the internal taper hole of air outlet valve up and open the passage of giving vent to anger of air outlet valve, the ball sealer being arranged on the internal taper hole of answering magnetic piston utilizes the gravity of self make ball sealer automatically decline return and close and answer the passage of the exhaust on magnetic piston to seal;

When use, teacher of the opening position key switch is connected the power-on circuit of insulated electric conductor and field controller, and the power-on circuit that He Xia magnetic field, upper magnetic field is connected in field controller circulation generates an electromagnetic field; The attraction that upper magnetic field electromagnetic field produces pulls answers magnetic piston to move up, and answers magnetic piston to start when up, is arranged on ball sealer on the internal taper hole of answering magnetic piston descending return and the bleed-off passage of having closed air and enter squish chamber under the effect of the gravity of self; In the time answering magnetic piston stroking upward, answer the up of magnetic piston and make the air in squish chamber produce pressure, the air that has pressure enters into internal taper hole in air outlet valve from the endoporus of the sealed end of air outlet valve lower end, and to promote ball sealer up and open the seal channel of air outlet valve, and the air in squish chamber is entered in atmosphere through air outlet valve; Answer magnetic piston when up, answer magnetic piston also to make to have produced in pumping chamber pull of vacuum, pull of vacuum is inhaled the moving ball sealer that is arranged on the internal taper hole in sealing neck and is separated with internal taper hole, air enters into internal taper hole from entering exhaust tube in vacuum tank through aspirating hole, then enters answering in the pumping chamber below magnetic piston in negative pressure shell through the air passing hole on limited cap;

While answering magnetic piston stroking upward to move into place, after the power-on circuit in the upper magnetic field of field controller disconnection, connect the power-on circuit in lower magnetic field, the magnetic field diminishes in upper magnetic field, the electromagnetic field that lower magnetic field produces pulls answers magnetic descent of piston; Answer magnetic piston to start when descending, under the effect of the pull of vacuum of the ball sealer on the internal taper hole in sealing neck under the effect of self gravitation and in vacuum tank, close the bleed-off passage that enters pumping chamber, ball sealer in air outlet valve descending return and seal the inner conical surface of air outlet valve under the effect of the gravity of self and under the effect of the inside and outside draught head of negative pressure shell, has cut off the outlet passageway in squish chamber; Answer magnetic piston when descending, answer magnetic piston to promote to enter the air in pumping chamber and make air produce internal pressure, have the air of pressure answer from answering the passage of magnetic piston to enter into the internal taper hole of magnetic piston upwards wash open with the ball sealer displacement of internal taper hole sealing after continue up, through undue pore and enter in squish chamber after the air passing hole on gas confinement plate;

While answering under the pulling of the electromagnetic field that magnetic piston produces in lower magnetic field descending putting in place, answer that ball sealer on the inner conical surface of magnetic piston is descending under the effect of the gravity of self to be shut inner conical surface and make air not return to pumping chamber, now, the power-on circuit that field controller is connected again magnetic field again generates an electromagnetic field and makes to answer magnetic piston stroking upward; So power-on circuit in the connection of circulation and the upper magnet of cut-out and lower magnetic field, the electromagnetic field that magnetic field is generated an electromagnetic field pull to answer magnetic piston stroking upward, lower magnetic field to produce pulls answers magnetic descent of piston, enter in atmosphere constantly from extracting air in vacuum tank, and the air extracting.

2. environmental protection and energy saving vacuum drawn equipment according to claim 1, it is characterized in that: in order to make the air of answering magnetic piston can promote in the squish chamber in negative pressure shell enter air outlet valve, adopt promotion spring to answer the air in magnetic descent of piston compression pumping chamber to enter the power in squish chamber as promoting.

3. environmental protection and energy saving vacuum drawn equipment according to claim 1, is characterized in that: keep shape in order to ensure containment vessel can protect He Xia magnetic field, upper magnetic field and be not easy distortion, manufacture the skeleton that has support on the cavity of containment vessel.

4. environmental protection and energy saving vacuum drawn equipment according to claim 1, it is characterized in that: in order to ensure that environmental protection and energy saving vacuum drawn equipment enough normally works, adopt connection and the cut-out of the power-on circuit of the teacher position key switch controlling magnetic field controller connecting with insulated electric conductor.

5. environmental protection and energy saving vacuum drawn equipment according to claim 1, it is characterized in that: the compact conformation of described environmental protection and energy saving vacuum drawn equipment, vibrate little, powerful, utilization rate of electrical is high, the efficiency of extracting vacuum is high, is suitable for oil-engine driven automobile and electric automobile and installs and uses; 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 equipment, is characterized in that: during fabrication, and the material of a type in containment vessel employing metal, plastics, nylon, fiberglass or the composite manufacture of several types; The material of one type in hollow valve body and negative pressure shell employing metal, plastics, nylon and fiberglass or the composite manufacture of several types; The material of one type in ball sealer employing metal, plastics, nylon and rubber or the composite manufacture of several types; Answer magnetic piston to adopt the material manufacture of the hard to bear magnetic field suction of energy;

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

For convenient for assembly, during fabrication, containment vessel, from annular position is divided into two parts manufacture, recombinant is together for containment vessel;

The inner chamber of negative pressure shell creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; The centre bore, the lower end manufacture that have through negative pressure shell are manufactured in upper end on the center line of inner chamber aspirating hole and internal taper hole, and the negative pressure shell below upper and lower side and the sealing neck that seals neck is worn out in aspirating hole and internal taper hole stack; Manufacture at the middle part of the lower end in negative pressure shell sealing neck protruding upward, and the upper part of the inside of sealing neck creates internal taper hole, lower part creates aspirating hole, and internal taper hole communicates with aspirating hole, and internal taper hole coordinates with ball sealer;

Air outlet valve creates hollow valve body and ball sealer two parts, hollow valve body creates hollow pipe, internal taper hole is manufactured on middle part or the middle and lower part of the inner chamber of hollow pipe, and the internal diameter internal diameter large, that lower part is manufactured that the upper part of the internal taper hole in hollow pipe is manufactured is little; Manufacture the lower end of hollow valve body return-air sealed end, lower end, upper surface that the lower surface of return-air sealed end is manufactured on hollow valve body create internal taper hole, the large end of internal taper hole communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, on the inner conical surface of internal taper hole, ball sealer is installed; When enter the air of pressure from the endoporus of hollow valve body lower end, can open the sealing of inner conical surface and ball sealer and form passage;

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

Answer magnetic piston to create columniform iron core, limited location hole is manufactured in the upper end of columniform iron core, below spacing hole, manufacture and have a point pore, point pore below manufacture has internal taper hole, below internal taper hole, manufacture and have passage, below passage, manufacture and have accommodation hole, the center line that internal taper hole, passage and accommodation hole are manufactured is on the cylinder center line of columniform iron core; The position of the center line of columniform iron core manufacture have passage and internal taper hole, internal taper hole be manufactured on passage above, below point pore, ball sealer is not installed in internal taper hole time, internal taper hole is with passage and divide a pore to communicate; The accommodation hole of oriented upper depression is manufactured in the lower end of columniform iron core; The periphery of columniform iron core creates smooth periphery, manufactures the annular groove that has depression on smooth periphery, and annular groove is embedded with sealing ring; Periphery coordinates inner chamber that can sealed negative-pressure shell with the inner chamber of negative pressure shell, and can in the inner chamber of negative pressure shell, slide; Described spacing hole creates circular hole, and the ring surface of circular hole creates inlayed gas confinement plate stationary plane, and the base ring face of circular hole creates and limited gas confinement plate and inlay the face of the degree of depth; A described point pore creates circular hole, communicates with spacing hole and internal taper hole; Described passage creates the circular hole communicating with accommodation hole and internal taper hole; Described accommodation hole creates the upwards circular hole of depression, communicates with passage;

Described internal taper hole creates the circular hole of tapering, the face of circular hole creates inner conical surface, under the effect of the gravity of ball sealer self, can seal inner conical surface, have suction on ball sealer time, can open the passage of the ball face sealing of inner conical surface and ball sealer by suction; Air pressure above ball sealer is larger, and the gluing, sealing effect of ball sealer and inner conical surface is better;

Cross the plate that gas confinement plate creates air passing hole, be embedded on the anchor ring of spacing hole and be adjacent to the base ring face of spacing hole; Air passing hole creates the hole that allows air pass through;

Ball sealer creates spherosome or oval ball, and the periphery of spherosome or oval ball creates sealing surface, and sealing surface creates sphere; When the sealing of the sphere of ball sealer and inner conical surface, press down by the self gravitation of ball sealer and seal inner conical surface;

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

Field controller creates controls He Xia magnetic field, the upper magnetic field controller generating an electromagnetic field that circulate, controlling the time of go up the electromagnetic field generation of He Xia magnetic field, magnetic field with the time length generating an electromagnetic field and after generating an electromagnetic field at every turn to the interval time generating an electromagnetic field again for the second time;

He Xia magnetic field, upper magnetic field creates the solenoid that can generate an electromagnetic field; He Xia magnetic field, upper magnetic field creates the solenoid that can generate an electromagnetic field;

Exhaust tube creates and connects the aspirating hole of negative pressure shell and the hollow pipe of vacuum tank;

Aspirating hole create air enter in the squish chamber in negative pressure shell through via hole, be manufactured on the lower part in the centre of sealing neck, above the upper end of the aspirating hole in sealing neck, manufacture and have internal taper hole, while ball sealer not being installed in internal taper hole in sealing neck, internal taper hole communicates with aspirating hole and pumping chamber;

In order to ensure that environmental protection and energy saving vacuum drawn equipment enough normally works, adopt connection and the cut-out of the power-on circuit of the teacher position key switch controlling magnetic field controller connecting with insulated electric conductor;

Keep shape in order to ensure containment vessel can protect He Xia magnetic field, upper magnetic field and be not easy distortion, on the cavity of containment vessel, manufacture the skeleton that has support;

In order to make the air of answering magnetic piston can promote in the squish chamber in negative pressure shell enter air outlet valve, adopt promotion spring to answer the air in magnetic descent of piston compression pumping chamber to enter the power in squish chamber as promoting;

He Xia magnetic field in magnetic field on being provided with in containment vessel, upper magnetic field is fixed on the upper part of negative pressure shell outside, and lower magnetic field is fixed on the lower part of negative pressure shell outside, and containment vessel is fixed on the He Xia magnetic field, the upper magnetic field of protection, outside of negative pressure shell; Below the outside of containment vessel, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the aspirating hole of negative pressure shell lower end; In connection, the circuit in magnetic field He Xia magnetic field 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 switch, and field controller is arranged in containment vessel; Limited cap is installed in negative pressure shell, answers magnetic piston, ball sealer, cross gas confinement plate, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; In the spacing hole of answering magnetic piston upper end, be fixed with gas confinement plate, and in the internal taper hole of upper part of answering magnetic piston, ball sealer be installed, ball sealer is at internal taper hole and cross point pore between gas confinement plate and answer in the internal taper hole of magnetic piston and can move up and down; In internal taper hole in the sealing neck of the lower end in negative pressure shell, ball sealer is installed, limited cap is fixed on the outside of sealing neck by screw thread or jump ring, and limited cap is in the accommodation hole of answering the lower end of magnetic piston upwards to cave in time, and limited cap and accommodation hole are gapped; Ball sealer coordinates with the internal taper hole of sealing in neck and can seal or open the bleed-off passage entering in negative pressure shell; While answering magnetic piston stroking upward, answering the inner chamber part of the negative pressure shell of magnetic piston lower part is pumping chamber; While answering magnetic descent of piston, the inner chamber part of answering the negative pressure shell of magnetic piston upper part is squish chamber; Aspirating hole place in the lower end of negative pressure shell is fixed with exhaust tube, and the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with aspirating hole and vacuum tank; Upper end at negative pressure shell is provided with air outlet valve, and the lower part of air outlet valve is fixed in the centre bore of one end above of negative pressure shell.