CN105697293A

CN105697293A - Environmental protection air extraction device

Info

Publication number: CN105697293A
Application number: CN201610043600.5A
Authority: CN
Inventors: 徐園植
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-24
Filing date: 2016-01-24
Publication date: 2016-06-22

Abstract

The invention discloses an environmental protection air extraction device, and belongs to the field of vacuum servo of automobile braking. The environmental protection air extraction device is characterized in that an electromagnetic coil is mounted in a protecting shell; the electromagnetic coil is arranged outside a negative pressure shell; an annular inner end of the protecting shell is fixed outside the negative pressure shell; a gas outlet valve is fixed in a central hole of the negative pressure shell; a pushing spring and a magnetism induced piston are arranged inside the negative pressure shell; the pushing spring is pressed on the magnetism induced piston; a seal cone or a seal ball seals an air extraction channel of an air extraction cavity; a nonporous sealing plate seals an air extraction channel of an air extrusion cavity; a gas distribution limit plate is fixed in a limit hole of the upper end of the magnetism induced piston; the seal cone or the seal ball is mounted in an inner cone hole of the magnetism induced piston; and the lower end of the magnetism induced piston has an accommodating hole. The environmental protection air extraction device is compact in structure, low in vibration, high in power, electrical energy utilization rate and vacuumizing efficiency, applicable to technological vacuumizing, and suitable for being mounted in internal combustion engine driving automobiles and electric automobiles for use; and the market prospect is good, and the industrial production is facilitated.

Description

Extract air environmental protection device

Technical field

The present invention relates to a kind of extraction air environmental protection device for producing vacuum power to the vacuum booster of the master cylinder of automobile。

Background technology

The vacuum pump used on traditional automobile is to adopt bias to lay eggs formula, and laing eggs produces suction when rotated and carry out bleeding and producing vacuum。

Summary of the invention

It is that the present invention relates in order that what provide a kind of electromagnetic linear to pull piston movement to bleed and produce vacuum extracts the manufacture of air environmental protection device and method thereof。

For achieving the above object, extraction air environmental protection device of the present invention mainly includes protecting crust, solenoid, negative pressure shell, aspirating hole, exhaust tube, sealing cone or ball sealer, atresia sealing plate, limited cap, promotion spring, answers magnetic piston, point gas restriction plate, internal taper hole, passage, air outlet valve, field controller；Or, described extraction air environmental protection device mainly includes protecting crust, solenoid, negative pressure shell, aspirating hole, exhaust tube, sealing cone or ball sealer, atresia sealing plate, limited cap, promotion spring, answers magnetic piston, point gas restriction plate, internal taper hole, passage, air outlet valve, field controller, electronic remote controller。

Being provided with solenoid in protecting crust, solenoid is fixed on the upper part outside negative pressure shell, and protecting crust is fixed on the outside protection solenoid on the top of negative pressure shell；Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the aspirating hole of negative pressure shell lower end。

The circuit connecting solenoid 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 protecting crust；Or, the circuit connecting solenoid 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 receptor of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust。

Limited cap is installed in negative pressure shell, seal cone or ball sealer, promotion spring, answer magnetic piston, atresia sealing plate, point gas restriction plate, promotion spring is arranged on the upper part of the inner chamber of negative pressure shell, magnetic piston is answered to be arranged on the lower part of inner chamber of negative pressure shell, promote spring to be pressed in the upper end answering magnetic piston or be pressed in be fixed on point water restriction plate answering magnetic piston upper end, answer magnetic piston can slide up and down at the interior intracavity of negative pressure shell；A point gas restriction plate it is fixed with in the spacing hole answering magnetic piston upper end, answering in the sealing hole of upper part of magnetic piston, atresia sealing plate is installed, atresia sealing plate is at point pore sealed between Kong Yufen gas restriction plate and seals in hole and can move up and down, and atresia sealing plate coordinates and the bleed-off passage that can seal or open the squish chamber entered in negative pressure shell with the hole that seals answering magnetic piston；Being provided with sealing cone or ball sealer in the internal taper hole sealed in neck of the lower end in negative pressure shell, limited cap is fixed on the outside sealing neck by screw thread or jump ring, and when limited cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, limited cap has gap with holding hole；Seal cone or ball sealer coordinates with the internal taper hole in sealing neck and can seal or open the bleed-off passage in entrance negative pressure shell；When answering magnetic piston stroking upward, the lumen portion answering the lower sections of negative pressure shell of magnetic piston is pumping chamber；When answering magnetic descent of piston, the lumen portion answering the negative pressure shell of magnetic piston upper part is squish chamber。Being fixed with exhaust tube at the aspirating 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 aspirating hole and vacuum tank；Being provided with air outlet valve in the upper end of negative pressure shell, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of negative pressure shell。

The material of described protecting crust is the composite of a type of material in metal, plastics, nylon, fiberglass or several types；The material of hollow valve body and negative pressure shell adopts the composite of a type of material in metal, plastics, nylon and fiberglass or several types；Seal cone or ball sealer and atresia sealing plate material adopt the composite of a type of material in metal, plastics, nylon and rubber or several types；The material answering magnetic piston is able to be subject to the material of magnetic field suction。

Described protecting crust is the hollow cavity of annular, hollow cavity has string holes, is provided with solenoid and field controller in hollow cavity, or, solenoid, 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 to allow the hole of insulated electric conductor traverse。

For the ease of the processing of protecting crust be easy to accessory to load in protecting crust, described protecting crust is the assembly 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 face of cylinder of cylindrical cavity is smooth curved surface；Upper end on the centrage of inner chamber has centre bore to have aspirating hole to superpose the negative pressure shell worn out below the upper and lower side sealing neck and sealing neck with internal taper hole through negative pressure shell, lower end；There is a sealing neck protruding upward at the middle part of the lower end in negative pressure shell, and sealing the upper part of the inside of neck be internal taper hole, lower part is aspirating hole, and when being fitted without sealing cone or ball sealer in internal taper hole, internal taper hole communicates with aspirating hole。

Described air outlet valve includes hollow valve body and seals cone or ball sealer, and hollow valve body is hollow pipe, and internal taper hole is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter of the upper part of the internal taper hole in hollow pipe internal diameter big, lower sections of is little；There is return-air sealed end the lower end of hollow valve body, the lower surface of return-air sealed end in the lower end of hollow valve body, upper surface be internal taper hole, the big 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, is provided with sealing cone or ball sealer on the inner conical surface of internal taper hole；The sealing of inner conical surface and sealing cone or ball sealer can be opened when entering, from the endoporus of hollow valve body lower end, the air having pressure and form passage。

For the ease of the processing of negative pressure shell be easy to accessory to load in negative pressure shell, described negative pressure shell is the assembly after segmentation；The upper end of the cylindrical cavity body portion in negative pressure shell is divided into two-stage nitration, the upper part of segmentation place is pump cover, lower part is the main body 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 body combination of pump cover and negative pressure shell becomes a composite entity；Or, the lower end of the cylindrical cavity body portion in negative pressure shell is divided into two-stage nitration, the lower part of segmentation place is pump cover, upper part is the main body 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 body combination of pump cover and negative pressure shell becomes a composite entity。

It is described that to answer magnetic piston be cylindrical iron core, the limited location hole, upper end of cylindrical iron core, spacing hole a point pore is presented herein below, that divides pore is presented herein below sealing hole, what seal hole is presented herein below passage, hole is held in being presented herein below of passage, seals the centrage in hole, passage and accommodation hole on the cylinder centrage of cylindrical iron core；There is passage at the position of the centrage of cylindrical iron core and seals hole, seals hole on passage, the time in of being fitted without atresia sealing plate, seals hole and communicates with passage and a point pore in sealing hole；There is concave up sunken accommodation hole the lower end of cylindrical iron core, when answering magnetic piston to arrive the lower end in negative pressure shell, holds hole and is used for holding limited cap and making limited cap not collide with answering magnetic piston；Spacing hole is for fixing point of gas restriction plate, and point pore is for disperseing the air passed through and guiding air to enter the air passing hole on point gas restriction plate；The periphery of cylindrical iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with sealing ring；Periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide at the interior intracavity of negative pressure shell。Described spacing hole is the rounded face of circular hole circular hole is inlay a point gas restriction plate stationary plane, and the annular bottom surface of circular hole is the face that the degree of depth inlayed by restriction point gas restriction plate；A described point pore is the circular hole communicated with spacing hole and internal taper hole；Described passage is and holds hole and the hole dividing pore to communicate；The circular hole that described accommodation hole communicates with passage, upwards caves in。

Described sealing hole is circular hole, between the passage answered in magnetic piston and point pore, the rounded face of circular port be hold atresia sealing plate inner headed face or internal conical surface, the annular bottom surface of the circular hole sealing hole is sealing surface。

Described atresia sealing plate is circular flat board, and below flat board, one side is sealing surface, and sealing surface coordinates with answering the sealing hole on magnetic piston。

Described internal taper hole is tapered circular hole, 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 bored, inner conical surface can be sealed under sealing the effect of gravity of cone or ball sealer self, pass through suction when sealing and having suction above cone or ball sealer and can open the passage of inner conical surface and the ball face sealing sealing cone or ball sealer；Sealing the air pressure above cone or ball sealer more big, the gluing, sealing effect sealing cone or ball sealer and inner conical surface is more good。

A described point gas restriction plate is the plate having 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)；Inner conical surface is sealed by pressing under the self gravitation of sealing conisphere when the male cone (strobilus masculinus) that sealing is bored seals with inner conical surface。

Described ball sealer is the periphery of spherosome or oval ball, spherosome or oval ball is sealing surface, and sealing surface is smooth sphere；Bore by sealing or press under the self gravitation of ball sealer and seal inner conical surface when the sphere of sealing cone or ball sealer seals with inner conical surface。

Described limited cap is calotte, and the crown part of calotte has the air passing hole allowing gas pass through, and the hatband part of calotte is fixed on to seal and can limit the distance moved on the sealing cone or ball sealer installed on the inner conical surface sealed in neck on neck。

Described field controller is to control solenoid to produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after controlling the time of electromagnetic field generation and the time length of generation electromagnetic field and producing electromagnetic field。

In order to prevent robber from stealing automobile easily, making robber not have vacuum servo when driving a car and stopping stealing garage is adopt installing remote device between teacher position key switch and field controller to be switched on and off producing the power-on circuit of electromagnetic field；Described electronic remote controller is to turn on and cuts off the contactor producing electromagnetic field, and including the switch sections and the electronic telecontrol part that switch on or off circuit, electronic telecontrol part includes remote controller switch and electronic signal receptor；Remote controller switch is carried with for driver, it is simple to pilot control extracts the normal operation of air environmental protection device and cuts off the control circuit extracting air environmental protection device；Described electronic remote controller can have in the present invention, it is also possible to does not have。

Described exhaust tube is the hollow pipe of aspirating hole and the vacuum tank connecting negative pressure shell。

Described aspirating hole be air enter the squish intracavity in negative pressure shell through via, lower part in the centre sealing neck, internal taper hole is had on the upper end of the aspirating hole sealed in neck, when being fitted without sealing cone or ball sealer in the internal taper hole sealed in neck, internal taper hole communicates with aspirating hole and pumping chamber。

The air extracted in vacuum tank is laid in pumping chamber and is waited to press, and extrudes air generation air pressure at squish intracavity and discharges outside negative pressure shell；When squish intracavity evacuates gas, pumping chamber communicates with squish chamber；When squish intracavity air-out, pumping chamber is by sealing cone or ball sealer and the internal taper hole answered in magnetic piston seals and disconnects the bleed-off passage that enters squish chamber。

The described air environmental protection device that extracts, in the process of evacuation, does not have return spring in controlling to take out air duct and getting rid of the one-way check valve of air duct；When pumping chamber evacuates gas, answer the suction that magnetic piston stroking upward produces to open the sealing of the internal taper hole sealed in neck sealing cone or ball sealer and negative pressure shell lower end and open the passage that evacuates gas, be arranged on answer the atresia sealing plate sealed on hole on magnetic piston under the effect of self gravitation automatic decline return and close the passage of the evacuation gas of entrance squish intracavity and seal；When evacuating gas in squish chamber, be arranged on air outlet valve internal taper hole seal cone or ball sealer utilize self gravity and squish chamber with negative pressure shell outside the air pressure official post passage extruding air that seals cone or ball sealer decline return automatically and close on air outlet valve seal, answer magnetic descent of piston and making pumping chamber in, to produce pressure and promote to be arranged on and answer the up passage then opening the evacuation gas entering squish intracavity of the atresia sealing plate sealed on hole on magnetic piston；When giving vent to anger in squish chamber, promote under the effect of outlet pressure on the internal taper hole of air outlet valve seal cone or ball sealer is up and open the passage given vent to anger of air outlet valve, be arranged on and answer the atresia sealing plate sealed on hole of magnetic piston to utilize the gravity of self to make atresia sealing plate decline return automatically close and answer the passage evacuating gas on magnetic piston to seal。

In order to ensure to extract air environmental protection device can normal operation, adopt what control solenoid with insulated electric conductor teacher position key switch even to connect being switched on and off of circuit；Or, adopt with insulated electric conductor teacher position key switch even and electronic remote controller co-controlling solenoid connect being switched on and off of circuit。

In order to ensure that protecting crust can protect solenoid keep shape and be not easy deformation, the cavity of protecting crust manufactures the skeleton having support。

In order to enable the air of the squish intracavity answering magnetic piston to promote in negative pressure shell to enter air outlet valve, adopt and promote spring as promoting the power answering the air in magnetic descent of piston compression pumping chamber to enter squish intracavity。

During use, it does not have electronic remote controller, the power-on circuit of insulated electric conductor and field controller directly connected by teacher of the opening position key switch；Having electronic remote controller, press the starting button of remote controller switch after the key of teacher of the opening position, electronic signal receptor receives and starts the circuit that signal is followed by leading to electronic remote controller with field controller；Field controller is connected the power-on circuit of solenoid and is produced electromagnetic field；The captivation that electromagnetic field produces pulls answers magnetic piston overpowers to promote the pressure of spring to move up, when answering magnetic piston to start up, it is arranged on the atresia sealing plate sealed on hole answering magnetic piston descending and close air and enter the bleed-off passage in squish chamber under the effect of the gravity of self；When answering magnetic piston stroking upward, the up of magnetic piston is answered to make the air of squish intracavity create pressure, there is the air of pressure to promote from the internal taper hole that the endoporus of the sealed end of air outlet valve lower end enters in air outlet valve and seal cone or ball sealer is up and open the sealing passage of air outlet valve, make the air of squish intracavity enter in air through air outlet valve；Answer magnetic piston when up, magnetic piston is answered also to make to create in pumping chamber pull of vacuum, pull of vacuum inhales the sealing cone moving the internal taper hole being arranged in sealing neck or ball sealer separates with internal taper hole, air enters exhaust tube in vacuum tank and enters into internal taper hole through aspirating hole, enters answering in the pumping chamber below magnetic piston in negative pressure shell then through the air passing hole on limited cap。

Answer magnetic piston stroking upward move to compression promote spring compression stage spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappear, answer magnetic piston promote spring promotion under descending；When answering magnetic piston to start descending, close, under the effect sealing cone or ball sealer pull of vacuum under the effect of self gravitation and in vacuum tank on the internal taper hole sealed in neck of negative pressure shell lower end, the bleed-off passage entering pumping chamber, descending return under the effect sealing cone or ball sealer draught head under the effect of the gravity of self and inside and outside negative pressure shell in air outlet valve and seal the inner conical surface of air outlet valve, cut off the outlet passageway in squish chamber；Answer magnetic piston when descending, air that magnetic piston is forced in pumping chamber is answered to make air produce internal pressure, there is the air of pressure to enter into from the passage answering magnetic piston to seal and continue up after hole is upwards washed atresia sealing plate open and made the displacement of atresia sealing plate with the sealing sealing hole, after the air passing hole on undue pore and point gas restriction plate, enter squish intracavity。

Answer magnetic piston promote spring promotion under descending put in place time, the atresia sealing plate sealed on hole descending the sealing hole under the effect of the gravity of self answering magnetic piston is shut and is made air not return pumping chamber, now, field controller is connected again the power-on circuit of solenoid and is again produced electromagnetic field and make to answer magnetic piston stroking upward；What so circulate is switched on and off circuit, makes solenoid generation electromagnetic field pull and answers magnetic piston stroking upward and allow promotion spring promotion answer magnetic descent of piston, constantly extracts air in vacuum tank, and the air of extraction is entered in air。

A kind of manufacture method extracting air environmental protection device, it is characterised in that:

During fabrication, protecting crust adopts the composite manufacture of a type of material in metal, plastics, nylon, fiberglass or several types；Hollow valve body and negative pressure shell adopt the composite manufacture of a type of material in metal, plastics, nylon and fiberglass or several types；Seal the composite manufacture of a type of material in cone or ball sealer and atresia sealing plate employing metal, plastics, nylon and rubber or 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 and allows the hole of insulated electric conductor traverse；Solenoid and field controller are installed in hollow cavity, or, solenoid, 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。

In order to convenient for assembly, during fabrication, after protecting crust is divided into two parts manufacture from annular position, recombinant is together for protecting crust。

The inner chamber of negative pressure shell creates the cavity of cylinder, and the periphery of cylindrical cavity creates smooth curved surface；Upper end on the centrage of inner chamber manufactures to have has aspirating hole and internal taper hole through the centre bore of negative pressure shell, lower end manufacture, and aspirating hole superposes with internal taper hole to be worn out the upper and lower side sealing neck and seals the negative pressure shell below neck；The middle part of the lower end in negative pressure shell manufactures sealing neck protruding upward, and the upper part sealing the inside of 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 seals cone or ball sealer two parts, hollow valve body creates hollow pipe, internal taper hole manufacture is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow pipe manufactures is big, lower part manufactures is little；The lower end of hollow valve body manufactures return-air sealed end, the lower surface of return-air sealed end manufactures and creates internal taper hole in the lower end of hollow valve body, upper surface, the big 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, is provided with sealing cone or ball sealer on the inner conical surface of internal taper hole；The sealing of inner conical surface and sealing cone or ball sealer can be opened when entering, from the endoporus of hollow valve body lower end, the air having pressure and form passage。

For the ease of the processing of negative pressure shell be easy to accessory to load in negative pressure shell, described negative pressure shell creates the assembly after segmental machining manufactures；The upper end of the cylindrical cavity body portion in negative pressure shell is divided into two-stage nitration manufacture, the upper part of segmentation place creates pump cover, lower part creates the main body of negative pressure shell, centre bore manufactures on pump cover, aspirating hole manufactures at the middle part of the main body lower end of negative pressure shell, and it is a composite entity that pump cover and the main body after negative pressure shell are combined into after manufacturing；Or, the lower end of the cylindrical cavity body portion in negative pressure shell is divided into two-stage nitration manufacture, the lower part of segmentation place creates pump cover, upper part creates the main body of negative pressure shell, aspirating hole manufactures at the middle part of pump cover, it is a composite entity that centre bore manufacture is combined into after the main body of the middle part of the upper end of the main body of negative pressure shell, pump cover and negative pressure shell manufactures。

Magnetic piston is answered to create the iron core of cylinder, the upper end of cylindrical iron core manufactures limited location hole, below spacing hole, manufacture has a point pore, manufacture below pore is divided to have sealing hole, seal manufacture below hole and have passage, below passage, manufacture has accommodation hole, seals the centrage of hole, passage and the manufacture of accommodation hole on the cylinder centrage of cylindrical iron core；The position of the centrage of cylindrical iron core manufactures to be had passage and seals hole, seals hole and manufactures on passage, below point pore, the time in of being fitted without atresia sealing plate, seals hole and communicates with passage and a point pore in sealing hole；The lower end of cylindrical iron core manufactures concave up sunken accommodation hole；The periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with sealing ring；Periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide at the interior intracavity of negative pressure shell。Described spacing hole creates circular hole, and the ring surface of circular hole creates inlays a point gas restriction plate stationary plane, and the annular bottom surface of circular hole creates restriction point gas restriction plate and inlays 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 and holds hole and seal the circular hole that hole communicates；The described hole that holds creates the circular hole upwards caved in, and communicates with passage。

The described hole that seals creates the hole of circle, manufactures between the passage answered in magnetic piston and point pore, seal the rounded face in hole create accommodation atresia sealing plate inner headed face or internal conical surface, the annular bottom surface of the circular hole sealing hole creates sealing surface。

Atresia sealing plate creates the flat board of circle, and below flat board, one side creates sealing surface, and sealing surface coordinates with answering the sealing hole on magnetic piston。

Described internal taper hole creates tapered circular hole, the face of circular hole creates inner conical surface, inner conical surface can be sealed under sealing the effect of gravity of cone or ball sealer self, pass through suction when sealing and having suction above cone or ball sealer and can open the passage of inner conical surface and the ball face sealing sealing cone or ball sealer；Sealing the air pressure above cone or ball sealer more big, the gluing, sealing effect sealing cone or ball sealer and inner conical surface is more good。

Divide gas restriction plate to create the plate of 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 allowing air pass through。

Ball sealer creates the periphery of spherosome or oval ball, spherosome or oval ball and creates sealing surface, and sealing surface creates smooth sphere；Bore by sealing or press under the self gravitation of ball sealer and seal inner conical surface when the sphere of sealing cone or ball sealer seals with inner conical surface。

Sealing cone and create cone or cone cylinder, the periphery of cone or cone cylinder creates smooth male cone (strobilus masculinus)；Inner conical surface is sealed by pressing under the self gravitation of sealing conisphere when the male cone (strobilus masculinus) that sealing is bored seals with inner conical surface。

Limited cap creates calotte, and the crown part manufacture of calotte has the air passing hole allowing gas pass through, and the hatband part of calotte is fixed on sealing neck and can limit sealing of installation on the inner conical surface sealed in neck bores or the distance of shifting on ball sealer。

Field controller creates and controls solenoid and produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time again after controlling time and the length producing the electromagnetic field time that electromagnetic field produces and every time producing electromagnetic field。

In order to prevent robber from stealing automobile easily, making robber not have vacuum servo when driving a car and stopping stealing garage is adopt installing remote device between teacher position key switch and field controller to be switched on and off producing the power-on circuit of electromagnetic field；Described electronic remote controller creates the contactor being switched on and off producing electromagnetic field, and including the switch sections and the electronic telecontrol part that switch on or off circuit, electronic telecontrol part includes remote controller switch and electronic signal receptor；Described electronic remote controller can have in the present invention, it is also possible to does not have。

Exhaust tube creates the hollow pipe of aspirating hole and the vacuum tank connecting negative pressure shell。

Aspirating hole create air enter squish intracavity in negative pressure shell through via, manufacture the lower part in the centre sealing neck, the manufactured above of upper end at the aspirating hole sealed in neck has internal taper hole, when being fitted without sealing cone or ball sealer in the internal taper hole sealed in neck, internal taper hole communicates with aspirating hole and pumping chamber。

Being provided with solenoid in protecting crust, solenoid is fixed on the upper part outside negative pressure shell, and protecting crust is fixed on the outside protection solenoid on the top of negative pressure shell；Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the aspirating hole of negative pressure shell lower end。The circuit connecting solenoid 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 protecting crust；Or, the circuit connecting solenoid 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 receptor of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust。Limited cap is installed in negative pressure shell, seal cone or ball sealer, promotion spring, answer magnetic piston, atresia sealing plate, point gas restriction plate, promotion spring is arranged on the upper part of the inner chamber of negative pressure shell, magnetic piston is answered to be arranged on the lower part of inner chamber of negative pressure shell, promote spring to be pressed in the upper end answering magnetic piston or be pressed in be fixed on point water restriction plate answering magnetic piston upper end, answer magnetic piston can slide up and down at the interior intracavity of negative pressure shell；A point gas restriction plate it is fixed with in the spacing hole answering magnetic piston upper end, answering in the sealing hole of upper part of magnetic piston, atresia sealing plate is installed, atresia sealing plate is at point pore sealed between Kong Yufen gas restriction plate and seals in hole and can move up and down, and atresia sealing plate coordinates and the bleed-off passage that can seal or open the squish chamber entered in negative pressure shell with the hole that seals answering magnetic piston；Being provided with sealing cone or ball sealer in the internal taper hole sealed in neck of the lower end in negative pressure shell, limited cap is fixed on the outside sealing neck by screw thread or jump ring, and when limited cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, limited cap has gap with holding hole；Seal cone or ball sealer coordinates with the internal taper hole in sealing neck and can seal or open the bleed-off passage in entrance negative pressure shell；When answering magnetic piston stroking upward, the lumen portion answering the lower sections of negative pressure shell of magnetic piston is pumping chamber；When answering magnetic descent of piston, the lumen portion answering the negative pressure shell of magnetic piston upper part is squish chamber。Being fixed with exhaust tube at the aspirating 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 aspirating hole and vacuum tank；Being provided with air outlet valve in the upper end of negative pressure shell, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of negative pressure shell。

The present invention extracts the compact conformation of air environmental protection device, vibrates little, powerful, utilization rate of electrical height, and the efficiency of extracting vacuum is high, is suitable for oil-engine driven automobile and electric automobile is installed and used；The market prospect of industrialization is good, commercial value is high, manufactures and uses all very convenient。

Accompanying drawing explanation

Fig. 1 and Fig. 2 is the structural representation extracting air environmental protection device；

Fig. 3 is the structural representation answering magnetic piston；

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

Shown in figure: negative pressure shell 1, answer magnetic piston 2, point gas restriction plate 3, hollow valve body 5, seal cone or ball sealer 6, atresia sealing plate 7, promote spring 8, solenoid 9, protecting crust 10, foot rest 11, limited cap 12, air passing hole 13, exhaust tube 15, passage 16, spacing hole 17, sealing surface 18, point pore 19, hold hole 21, seal hole 23, annular bottom surface 25。

Detailed description of the invention

The present invention extracts air environmental protection device and mainly includes protecting crust 10, solenoid 9, negative pressure shell 1, aspirating hole, exhaust tube 15, seals cone or ball sealer 6, atresia sealing plate 7, limited cap 12, promotes spring 8, answers magnetic piston 2, point gas restriction plate 3, internal taper hole, passage 16, air outlet valve, field controller；Or including protecting crust 10, solenoid 9, negative pressure shell 1, aspirating hole, exhaust tube 15, sealing cone or ball sealer 6, atresia sealing plate 7, limited cap 12, promotion spring 8, answer magnetic piston 2, point gas restriction plate 3, internal taper hole, passage 16, air outlet valve, field controller, electronic remote controller。

Being provided with solenoid 9 in protecting crust 10, solenoid 9 is fixed on the upper part outside negative pressure shell 1, and protecting crust 10 is fixed on the outside protection solenoid 9 on the top of negative pressure shell 1；Below the outside of protecting crust 10, one side is fixed with foot rest 11, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest 11 is lower than the position of the aspirating hole of negative pressure shell 1 lower end。

Limited cap 12, sealing cone or ball sealer 6 are installed in negative pressure shell 1, promote spring 8, answer magnetic piston 2, atresia sealing plate 7, point gas restriction plate 3, promotion spring 8 is arranged on the upper part of the inner chamber of negative pressure shell 1, magnetic piston 2 is answered to be arranged on the lower part of inner chamber of negative pressure shell 1, promote spring 8 to be pressed in the upper end answering magnetic piston 2 or be pressed in be fixed on point water restriction plate answering magnetic piston 2 upper end, answer magnetic piston 2 can slide up and down at the interior intracavity of negative pressure shell 1；A point gas restriction plate 3 it is fixed with in the spacing hole 17 answering magnetic piston 2 upper end, answering in the sealing hole 23 of upper part of magnetic piston 2, atresia sealing plate 7 is installed, atresia sealing plate 7 is at point pore 19 sealed between hole 23 and point gas restriction plate 3 and seals in hole 23 and can move up and down, and atresia sealing plate 7 coordinates with the sealing hole 23 answering magnetic piston 2 and can seal or open the bleed-off passage in squish chamber in entrance negative pressure shell 1；Sealing cone or ball sealer 6 are installed in the internal taper hole sealed in neck of the lower end in negative pressure shell 1, limited cap 12 is fixed on the outside sealing neck by screw thread or jump ring, when limited cap 12 is in the accommodation hole 21 answering the lower end of magnetic piston 2 upwards to cave in, limited cap 12 has gap with holding hole 21；Seal cone or ball sealer 6 to coordinate with the internal taper hole sealed in neck and can seal or open the bleed-off passage in entrance negative pressure shell 1；When answering magnetic piston 2 up, the lumen portion answering the lower sections of negative pressure shell 1 of magnetic piston 2 is pumping chamber；When answering magnetic piston 2 descending, the lumen portion answering the negative pressure shell 1 of magnetic piston 2 upper part is squish chamber。Being fixed with exhaust tube at the aspirating 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 aspirating hole and vacuum tank；Being provided with air outlet valve in the upper end of negative pressure shell 1, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of negative pressure shell 1。

During fabrication, protecting crust 10 adopts the composite manufacture of a type of material in metal, plastics, nylon, fiberglass or several types；Hollow valve body 5 and negative pressure shell 1 adopt the composite manufacture of a type of material in metal, plastics, nylon and fiberglass or several types；Sealing cone or ball sealer 6 and atresia sealing plate 7 adopt the composite manufacture of a type of material in metal, plastics, nylon and rubber or several types；Magnetic piston 2 is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy。

Protecting crust 10 creates the hollow cavity of annular, and hollow cavity has string holes, and string holes creates and allows the hole of insulated electric conductor traverse；Solenoid 9 and field controller are installed in hollow cavity, or, solenoid, 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。

In order to convenient for assembly, during fabrication, after protecting crust 10 is divided into two parts manufacture from annular position, recombinant is together for protecting crust 10。

The inner chamber of negative pressure shell 1 creates the cavity of cylinder, and the periphery of cylindrical cavity creates smooth curved surface；Upper end on the centrage of inner chamber manufactures to have has aspirating hole and internal taper hole through the centre bore of negative pressure shell 1, lower end manufacture, and aspirating hole superposes with internal taper hole to be worn out the upper and lower side sealing neck and seals the negative pressure shell 1 below neck；The middle part of the lower end in negative pressure shell 1 manufactures sealing neck protruding upward, and the upper part sealing the inside of 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 6。

Air outlet valve creates hollow valve body 5 and seals cone or ball sealer 6 two parts, hollow valve body 5 creates hollow pipe, internal taper hole manufacture is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow pipe manufactures is big, lower part manufactures is little；The lower end of hollow valve body 5 manufactures return-air sealed end, the lower surface of return-air sealed end manufactures and creates internal taper hole in the lower end of hollow valve body 5, upper surface, the big 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, is provided with sealing cone or ball sealer 6 on the inner conical surface of internal taper hole；The sealing of inner conical surface and sealing cone or ball sealer 6 can be opened when entering, from the endoporus of hollow valve body 5 lower end, the air having pressure and form passage。

For the ease of the processing of negative pressure shell 1 be easy to accessory to load in negative pressure shell 1, described negative pressure shell 1 creates the assembly after segmental machining manufactures；The upper end of the cylindrical cavity body portion in negative pressure shell 1 is divided into two-stage nitration manufacture, the upper part of segmentation place creates pump cover, lower part creates the main body of negative pressure shell 1, centre bore manufactures on pump cover, aspirating hole manufactures at the middle part of the main body lower end of negative pressure shell 1, and it is a composite entity that pump cover and the main body after negative pressure shell 1 are combined into after manufacturing；Or, the lower end of the cylindrical cavity body portion in negative pressure shell 1 is divided into two-stage nitration manufacture, the lower part of segmentation place creates pump cover, upper part creates the main body of negative pressure shell 1, aspirating hole manufactures at the middle part of pump cover, it is a composite entity that centre bore manufacture is combined into after the main body of the middle part of the upper end of the main body of negative pressure shell 1, pump cover and negative pressure shell 1 manufactures。

Magnetic piston 2 is answered to create the iron core of cylinder, the upper end of cylindrical iron core manufactures limited location hole 17, below spacing hole 17, manufacture has point pore 19, manufacture below pore 19 is divided to have sealing hole 23, seal manufacture below hole 23 and have passage 16, below passage 16, manufacture has accommodation hole 21, seals the centrage of hole 23, passage 16 and the manufacture of accommodation hole 21 on the cylinder centrage of cylindrical iron core；The position of the centrage of cylindrical iron core manufactures to be had passage 16 and seals hole 23, seal hole 23 to manufacture on passage 16, below point pore 19, when being fitted without atresia sealing plate 7 in sealing hole 23, seal hole 23 and communicate with passage 16 and a point pore 19；The lower end of cylindrical iron core manufactures concave up sunken accommodation hole 21；The periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with sealing ring；Periphery coordinate with the inner chamber of negative pressure shell 1 can the inner chamber of sealed negative-pressure shell 1, and can slide at the interior intracavity of negative pressure shell 1。Described spacing hole 17 creates circular hole, and the ring surface of circular hole creates inlays point gas restriction plate 3 stationary plane, and the annular bottom surface 25 of circular hole creates restriction point gas restriction plate 3 and inlays the face of the degree of depth；A described point pore 19 creates circular hole, communicates with spacing hole 17 and internal taper hole；Described passage 16 creates and holds hole 21 and seal the circular hole that hole 23 communicates；The described hole 21 that holds creates the circular hole upwards caved in, and communicates with passage 16。

The described hole 23 that seals creates the hole of circle, manufacture between the passage 16 answered in magnetic piston 2 and point pore 19, the rounded face sealing hole 23 creates the inner headed face or internal conical surface that hold atresia sealing plate 7, and the annular bottom surface 25 of the circular hole sealing hole 23 creates sealing surface 18。

Atresia sealing plate 7 creates the flat board of circle, and below flat board, one side creates sealing surface 18, and sealing surface 18 coordinates with answering the sealing hole 23 on magnetic piston 2。

Described internal taper hole creates tapered circular hole, the face of circular hole creates inner conical surface, inner conical surface can be sealed under sealing the effect of gravity of cone or ball sealer 6 self, pass through suction when sealing and having suction above cone or ball sealer 6 and can open the passage of inner conical surface and the ball face sealing sealing cone or ball sealer；Seal cone or ball sealer 6 air pressure above is more big, seal cone or ball sealer 6 more good with the gluing, sealing effect of inner conical surface。

Divide gas restriction plate 3 to create the plate of air passing hole 13, be embedded on the anchor ring of spacing hole 17 and be adjacent to the base ring face of spacing hole 17；Air passing hole 13 creates the hole allowing air pass through。

Sealing cone 6 and create cone or cone cylinder, the periphery of cone or cone cylinder creates smooth male cone (strobilus masculinus)；Inner conical surface is sealed by pressing under the self gravitation of sealing conisphere when the male cone (strobilus masculinus) that sealing is bored seals with inner conical surface。

Ball sealer 6 creates the periphery of spherosome or oval ball, spherosome or oval ball and creates sealing surface, and sealing surface creates sphere；Lean on when sealing sphere and the inner conical surface sealing of cone or ball sealer 6 and press under the gravity of self and seal inner conical surface。

Limited cap 12 creates calotte, and the crown part manufacture of calotte has the air passing hole 13 allowing gas pass through, and the hatband part of calotte is fixed on sealing neck and can limit sealing of installation on the inner conical surface sealed in neck bores or the distance of shifting on ball sealer 6。

Field controller creates and controls solenoid 9 and produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after controlling time and the length producing the electromagnetic field time that electromagnetic field produces and producing electromagnetic field。

Exhaust tube 15 creates the hollow pipe of aspirating hole and the vacuum tank connecting negative pressure shell 1。

Aspirating hole create air enter squish intracavity in negative pressure shell 1 through via, manufacture the lower part in the centre sealing neck, the manufactured above of upper end at the aspirating hole sealed in neck has internal taper hole, when being fitted without sealing cone or ball sealer 6 in the internal taper hole sealed in neck, internal taper hole communicates with aspirating hole and pumping chamber。

In order to ensure that protecting crust 10 can protect solenoid 9 keep shape and be not easy deformation, the cavity of protecting crust 10 manufactures the skeleton having support。

In order to make the air of the squish intracavity answering magnetic piston 2 can promote in negative pressure shell 1 enter air outlet valve, adopt and promote spring 8 to answer the descending compression of magnetic piston 2 to export the air of squish intracavity as promoting。

The air extracted in vacuum tank is laid in pumping chamber and is waited to press, and extrudes air generation air pressure at squish intracavity and discharges outside negative pressure shell；When squish intracavity evacuates gas, pumping chamber communicates with squish chamber；When squish intracavity air-out, pumping chamber is by sealing cone or ball sealer 6 and the internal taper hole answered in magnetic piston 2 seals and disconnects the bleed-off passage that enters squish chamber。

The described air environmental protection device that extracts, in the process of evacuation, does not have return spring in controlling to take out air duct and getting rid of the one-way check valve of air duct；When pumping chamber evacuates gas, the suction answering the up generation of magnetic piston 2 is opened and is sealed cone or ball sealer 6 and the sealing of the internal taper hole sealed in neck of negative pressure shell 1 lower end and open the passage that evacuates gas, be arranged on answer the atresia sealing plate 7 sealed on hole 23 on magnetic piston 2 under the effect of self gravitation automatic decline return and close the passage of the evacuation gas entering squish intracavity and seal；When evacuating gas in squish chamber, be arranged on air outlet valve internal taper hole seal cone or the passage extruding air that ball sealer 6 utilizes the gravity of self to make sealing cone or ball sealer 6 decline return automatically and closes on air outlet valve seals, answer magnetic piston 2 descending and make to produce pumping chamber in pressure and promote to be arranged on and answer the up passage then opening the evacuation gas entering squish intracavity of the atresia sealing plate 7 sealed on hole 23 on magnetic piston 2；When giving vent to anger in squish chamber, promote under the effect of outlet pressure on the internal taper hole of air outlet valve seal cone or ball sealer 6 is up and open the passage given vent to anger of air outlet valve, be arranged on and answer the atresia sealing plate 7 sealed on hole 23 of magnetic piston 2 to utilize the gravity of self to make atresia sealing plate 7 decline return automatically close and answer the passage evacuating gas on magnetic piston 2 to seal。

During use, it does not have electronic remote controller, the power-on circuit of insulated electric conductor and field controller directly connected by teacher of the opening position key switch；Having electronic remote controller, press the starting button of remote controller switch after the key of teacher of the opening position, electronic signal receptor receives and starts the circuit that signal is followed by leading to electronic remote controller with field controller；Field controller is connected the power-on circuit of solenoid 9 and is produced electromagnetic field；The captivation that electromagnetic field produces pulls answers magnetic piston 2 to overcome the pressure promoting spring 8 to move up, when answering magnetic piston 2 to start up, it is arranged on the atresia sealing plate 7 sealed on hole 23 answering magnetic piston 2 descending and close air and enter the bleed-off passage in squish chamber under the effect of the gravity of self；When answering magnetic piston 2 up, the up of magnetic piston 2 is answered to make the air of squish intracavity create pressure, there is the air of pressure to promote from the internal taper hole that the endoporus of the sealed end of air outlet valve lower end enters in air outlet valve and seal cone or ball sealer 6 is up and open the sealing passage of air outlet valve, make the air of squish intracavity enter in air through air outlet valve；Answer magnetic piston 2 when up, magnetic piston 2 is answered also to make to create in pumping chamber pull of vacuum, pull of vacuum inhales the sealing cone moving the internal taper hole being arranged in sealing neck or ball sealer 6 separates with internal taper hole, air enters exhaust tube in vacuum tank and enters into internal taper hole through aspirating hole, enters answering in magnetic piston 2 pumping chamber below in negative pressure shell 1 then through the air passing hole 13 on limited cap 12。

Answer magnetic piston 2 up move to compression promote spring 8 compression stage spacing time, the power-on circuit of field controller cutoff solenoid 9, electromagnetic field disappear, answer magnetic piston 2 promote spring 8 promotion under descending；When answering magnetic piston 2 to start descending, close, under the effect sealing cone or the ball sealer 6 pull of vacuum under the effect of self gravitation and in vacuum tank on the internal taper hole sealed in neck of negative pressure shell 1 lower end, the bleed-off passage entering pumping chamber, descending return under the effect sealing cone or the ball sealer 6 draught head under the effect of the gravity of self and inside and outside negative pressure shell in air outlet valve and seal the inner conical surface of air outlet valve, cut off the outlet passageway in squish chamber；Answer magnetic piston 2 when descending, air that magnetic piston 2 is forced in pumping chamber is answered to make air produce internal pressure, have the air of pressure enter into from the passage 16 answering magnetic piston 2 seal hole 23 upwards wash atresia sealing plate 7 open with the sealing sealing hole 23 and continue after making atresia sealing plate 7 displacement up, after the air passing hole 13 on undue pore 19 and point gas restriction plate 3, enter squish intracavity。

Answer magnetic piston 2 promote spring 8 promotion under descending put in place time, the atresia sealing plate 7 sealed on hole 23 descending the sealing hole 23 under the effect of the gravity of self answering magnetic piston 2 is shut and is made air not return pumping chamber, now, field controller is connected again the power-on circuit of solenoid 9 and is again produced electromagnetic field and make to answer magnetic piston 2 up；So circulation be switched on and off circuit, make solenoid 9 produce electromagnetic field and pull to answer magnetic piston 2 up and allow promotion spring 8 promote and answer magnetic piston 2 descending, in vacuum tank, constantly extract air, and the air extracted is entered in air。

Claims

1. one kind is extracted air environmental protection device, it is characterised in that: described extraction air environmental protection device includes protecting crust, solenoid, negative pressure shell, aspirating hole, exhaust tube, ball sealer, atresia sealing plate, limited cap, promotion spring, answers magnetic piston, point gas restriction plate, internal taper hole, passage, air outlet valve, field controller；

Being provided with solenoid in protecting crust, solenoid is fixed on the upper part outside negative pressure shell, and protecting crust is fixed on the outside protection solenoid on the top of negative pressure shell；Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the aspirating hole of negative pressure shell lower end；

The circuit connecting solenoid 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 protecting crust；

Limited cap, ball sealer, promotion spring are installed in negative pressure shell, answer magnetic piston, atresia sealing plate, point gas restriction plate, promotion spring is arranged on the upper part of the inner chamber of negative pressure shell, magnetic piston is answered to be arranged on the lower part of inner chamber of negative pressure shell, promote spring to be pressed in the upper end answering magnetic piston or be pressed in be fixed on point water restriction plate answering magnetic piston upper end, answer magnetic piston can slide up and down at the interior intracavity of negative pressure shell；A point gas restriction plate it is fixed with in the spacing hole answering magnetic piston upper end, answering in the sealing hole of upper part of magnetic piston, atresia sealing plate is installed, atresia sealing plate is at point pore sealed between Kong Yufen gas restriction plate and seals in hole and can move up and down, and atresia sealing plate coordinates and the bleed-off passage that can seal or open the squish chamber entered in negative pressure shell with the hole that seals answering magnetic piston；Being provided with ball sealer in the internal taper hole sealed in neck of the lower end in negative pressure shell, limited cap is fixed on the outside sealing neck by screw thread or jump ring, and when limited cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, limited cap has gap with holding hole；Ball sealer coordinates with the internal taper hole sealed in neck and can seal or open the bleed-off passage in entrance negative pressure shell；When answering magnetic piston stroking upward, the lumen portion answering the lower sections of negative pressure shell of magnetic piston is pumping chamber；When answering magnetic descent of piston, the lumen portion answering the negative pressure shell of magnetic piston upper part is squish chamber；Being fixed with exhaust tube at the aspirating 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 aspirating hole and vacuum tank；Being provided with air outlet valve in the upper end of negative pressure shell, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of negative pressure shell；

The material of described protecting crust is the composite of a type of material in metal, plastics, nylon, fiberglass or several types；The material of hollow valve body and negative pressure shell adopts the composite of a type of material in metal, plastics, nylon and fiberglass or several types；Ball sealer and atresia sealing plate material adopt the composite of a type of material in metal, plastics, nylon and rubber or several types；The material answering magnetic piston is able to be subject to the material of magnetic field suction；

Described protecting crust is the hollow cavity of annular, hollow cavity has string holes, is provided with solenoid and field controller in hollow cavity；The inner of the annular housing of hollow cavity is fixed on negative pressure shell；String holes is to allow the hole of insulated electric conductor traverse；

For the ease of the processing of protecting crust be easy to accessory to load in protecting crust, described protecting crust is the assembly 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 face of cylinder of cylindrical cavity is smooth curved surface；Upper end on the centrage of inner chamber has centre bore to have aspirating hole to superpose the negative pressure shell worn out below the upper and lower side sealing neck and sealing neck with internal taper hole through negative pressure shell, lower end；There is a sealing neck protruding upward at the middle part of the lower end in negative pressure shell, and sealing the upper part of the inside of neck be internal taper hole, lower part is aspirating hole, and when being fitted without ball sealer in internal taper hole, internal taper hole communicates with aspirating hole；

Described air outlet valve includes hollow valve body and ball sealer, and hollow valve body is hollow pipe, and internal taper hole is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter of the upper part of the internal taper hole in hollow pipe internal diameter big, lower sections of is little；There is return-air sealed end the lower end of hollow valve body, the lower surface of return-air sealed end in the lower end of hollow valve body, upper surface be internal taper hole, the big 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, is provided with ball sealer on the inner conical surface of internal taper hole；The sealing of inner conical surface and ball sealer can be opened when entering, from the endoporus of hollow valve body lower end, the air having pressure and form passage；

For the ease of the processing of negative pressure shell be easy to accessory to load in negative pressure shell, described negative pressure shell is the assembly after segmentation；The upper end of the cylindrical cavity body portion in negative pressure shell is divided into two-stage nitration, the upper part of segmentation place is pump cover, lower part is the main body 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 body combination of pump cover and negative pressure shell becomes a composite entity；Or, the lower end of the cylindrical cavity body portion in negative pressure shell is divided into two-stage nitration, the lower part of segmentation place is pump cover, upper part is the main body 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 body combination of pump cover and negative pressure shell becomes a composite entity；

It is described that to answer magnetic piston be cylindrical iron core, the limited location hole, upper end of cylindrical iron core, spacing hole a point pore is presented herein below, that divides pore is presented herein below sealing hole, what seal hole is presented herein below passage, hole is held in being presented herein below of passage, seals the centrage in hole, passage and accommodation hole on the cylinder centrage of cylindrical iron core；There is passage at the position of the centrage of cylindrical iron core and seals hole, seals hole on passage, the time in of being fitted without atresia sealing plate, seals hole and communicates with passage and a point pore in sealing hole；There is concave up sunken accommodation hole the lower end of cylindrical iron core, when answering magnetic piston to arrive the lower end in negative pressure shell, holds hole and is used for holding limited cap and making limited cap not collide with answering magnetic piston；Spacing hole is for fixing point of gas restriction plate, and point pore is for disperseing the air passed through and guiding air to enter the air passing hole on point gas restriction plate；The periphery of cylindrical iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with sealing ring；Periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide at the interior intracavity of negative pressure shell；Described spacing hole is the rounded face of circular hole circular hole is inlay a point gas restriction plate stationary plane, and the annular bottom surface of circular hole is the face that the degree of depth inlayed by restriction point gas restriction plate；A described point pore is the circular hole communicated with spacing hole and internal taper hole；Described passage is and holds hole and the hole dividing pore to communicate；The circular hole that described accommodation hole communicates with passage, upwards caves in；

Described sealing hole is circular hole, between the passage answered in magnetic piston and point pore, the rounded face of circular port be hold atresia sealing plate inner headed face or internal conical surface, the annular bottom surface of the circular hole sealing hole is sealing surface；

Described atresia sealing plate is circular flat board, and below flat board, one side is sealing surface, and sealing surface coordinates with answering the sealing hole on magnetic piston；

Described internal taper hole is tapered circular hole, the face of circular hole is inner conical surface, inner conical surface and the mating spherical surfaces of ball sealer, can seal inner conical surface under the effect of the gravity of ball sealer self, has during suction and pass through the passage that suction can open the ball face sealing of inner conical surface and ball sealer on ball sealer；Air pressure above ball sealer is more big, and ball sealer is more good with the gluing, sealing effect of inner conical surface；

A described point gas restriction plate is the plate having 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 the periphery of spherosome or oval ball, spherosome or oval ball is sphere, and sphere is sealing surface；Inner conical surface is sealed by pressing under the self gravitation of ball sealer when the sphere of ball sealer seals with inner conical surface；

Described limited cap is calotte, and the crown part of calotte has the air passing hole allowing gas pass through, and the hatband part of calotte is fixed on to seal and can limit the distance moved on the ball sealer installed on the inner conical surface sealed in neck on neck；

Described field controller is to control solenoid to produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after controlling the time of electromagnetic field generation and the time length of generation electromagnetic field and producing electromagnetic field；

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

Described aspirating hole be air enter the squish intracavity in negative pressure shell through via, lower part in the centre sealing neck, internal taper hole is had on the upper end of the aspirating hole sealed in neck, when being fitted without ball sealer in the internal taper hole sealed in neck, internal taper hole communicates with aspirating hole and pumping chamber；

The air extracted in vacuum tank is laid in pumping chamber and is waited to press, and extrudes air generation air pressure at squish intracavity and discharges outside negative pressure shell；When squish intracavity evacuates gas, pumping chamber communicates with squish chamber；When squish intracavity air-out, pumping chamber is sealed by ball sealer and the internal taper hole answered in magnetic piston and disconnects the bleed-off passage that enters squish chamber；

The described air environmental protection device that extracts, in the process of evacuation, does not have return spring in controlling to take out air duct and getting rid of the one-way check valve of air duct；When pumping chamber evacuates gas, answer the suction that magnetic piston stroking upward produces to open the sealing of the internal taper hole sealed in neck of ball sealer and negative pressure shell lower end and open the passage that evacuates gas, be arranged on answer the atresia sealing plate sealed on hole on magnetic piston under the effect of self gravitation automatic decline return and close the passage of the evacuation gas entering squish intracavity and seal；When evacuating gas in squish chamber, it is arranged on that the ball sealer of the internal taper hole of air outlet valve utilizes the gravity of self to make ball sealer decline return automatically and the passage extruding air of closing on air outlet valve seals, answers magnetic descent of piston and making pumping chamber in, to produce pressure and promote to be arranged on and answer the up passage then opening the evacuation gas entering squish intracavity of the atresia sealing plate sealed on hole on magnetic piston；When giving vent to anger in squish chamber, promote the ball sealer on the internal taper hole of air outlet valve up under the effect of outlet pressure and open the passage given vent to anger of air outlet valve, be arranged on and answer the atresia sealing plate sealed on hole of magnetic piston to utilize the gravity of self to make atresia sealing plate decline return automatically close and answer the passage evacuating gas on magnetic piston to seal；

During use, the power-on circuit of insulated electric conductor and field controller connected by teacher of the opening position key switch, and field controller is connected the power-on circuit of solenoid and produced electromagnetic field；The captivation that electromagnetic field produces pulls answers magnetic piston overpowers to promote the pressure of spring to move up, when answering magnetic piston to start up, it is arranged on the atresia sealing plate sealed on hole answering magnetic piston descending and close air and enter the bleed-off passage in squish chamber under the effect of the gravity of self；When answering magnetic piston stroking upward, the up of magnetic piston is answered to make the air of squish intracavity create pressure, there is the air of pressure to promote ball sealer up from the internal taper hole that the endoporus of the sealed end of air outlet valve lower end enters in air outlet valve and open the sealing passage of air outlet valve, make the air of squish intracavity enter in air through air outlet valve；Answer magnetic piston when up, magnetic piston is answered also to make to create in pumping chamber pull of vacuum, pull of vacuum is inhaled the ball sealer of the dynamic internal taper hole being arranged on and sealing in neck and is separated with internal taper hole, air enters exhaust tube in vacuum tank and enters into internal taper hole through aspirating hole, enters answering in the pumping chamber below magnetic piston in negative pressure shell then through the air passing hole on limited cap；

Answer magnetic piston stroking upward move to compression promote spring compression stage spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappear, answer magnetic piston promote spring promotion under descending；When answering magnetic piston to start descending, close, under the effect of the pull of vacuum under the effect of self gravitation and in vacuum tank of the ball sealer on the internal taper hole sealed in neck of negative pressure shell lower end, the bleed-off passage entering pumping chamber, descending return under the effect of the draught head under the effect of the gravity of self and inside and outside negative pressure shell of the ball sealer in air outlet valve and seal the inner conical surface of air outlet valve, cut off the outlet passageway in squish chamber；Answer magnetic piston when descending, air that magnetic piston is forced in pumping chamber is answered to make air produce internal pressure, there is the air of pressure to enter into from the passage answering magnetic piston to seal and continue up after hole is upwards washed atresia sealing plate open and made the displacement of atresia sealing plate with the sealing sealing hole, after the air passing hole on undue pore and point gas restriction plate, enter squish intracavity；

2. extraction air environmental protection device according to claim 1, it is characterized in that: in order to enable the air of the squish intracavity answering magnetic piston to promote in negative pressure shell to enter air outlet valve, adopt and promote spring as promoting the power answering the air in magnetic descent of piston compression pumping chamber to enter squish intracavity。

3. extraction air environmental protection device according to claim 1, it is characterised in that: in order to ensure that protecting crust can protect solenoid keep shape and be not easy deformation, the cavity of protecting crust manufactures the skeleton having support。

4. extraction air environmental protection device according to claim 1, it is characterized in that: in order to ensure to extract air environmental protection device can normal operation, adopt with insulated electric conductor teacher position key switch even control solenoid connect circuit be switched on and off can normal operation。

5. extraction air environmental protection device according to claim 1, it is characterized in that: described extract air environmental protection device compact conformation, vibrate little, powerful, utilization rate of electrical high, the efficiency of extracting vacuum is high, is suitable for oil-engine driven automobile and electric automobile is installed and used；The market prospect of industrialization is good, commercial value is high, manufactures and uses all very convenient。

6. the manufacture method extracting air environmental protection device, it is characterised in that: during fabrication, protecting crust adopts the composite manufacture of a type of material in metal, plastics, nylon, fiberglass or several types；Hollow valve body and negative pressure shell adopt the composite manufacture of a type of material in metal, plastics, nylon and fiberglass or several types；Ball sealer and atresia sealing plate adopt the composite manufacture of a type of material in metal, plastics, nylon and rubber or 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 and allows the hole of insulated electric conductor traverse；Solenoid and field controller are installed in hollow cavity；The inner of the annular housing of hollow cavity is fixed on negative pressure shell；

In order to convenient for assembly, during fabrication, after protecting crust is divided into two parts manufacture from annular position, recombinant is together for protecting crust；

The inner chamber of negative pressure shell creates the cavity of cylinder, and the periphery of cylindrical cavity creates smooth curved surface；Upper end on the centrage of inner chamber manufactures to have has aspirating hole and internal taper hole through the centre bore of negative pressure shell, lower end manufacture, and aspirating hole superposes with internal taper hole to be worn out the upper and lower side sealing neck and seals the negative pressure shell below neck；The middle part of the lower end in negative pressure shell manufactures sealing neck protruding upward, and the upper part sealing the inside of 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, and hollow valve body creates hollow pipe, and internal taper hole manufacture is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow pipe manufactures is big, lower part manufactures is little；The lower end of hollow valve body manufactures return-air sealed end, the lower surface of return-air sealed end manufactures and creates internal taper hole in the lower end of hollow valve body, upper surface, the big 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, is provided with ball sealer on the inner conical surface of internal taper hole；The sealing of inner conical surface and ball sealer can be opened when entering, from the endoporus of hollow valve body lower end, the air having pressure and form passage；

For the ease of the processing of negative pressure shell be easy to accessory to load in negative pressure shell, described negative pressure shell creates the assembly after segmental machining manufactures；The upper end of the cylindrical cavity body portion in negative pressure shell is divided into two-stage nitration manufacture, the upper part of segmentation place creates pump cover, lower part creates the main body of negative pressure shell, centre bore manufactures on pump cover, aspirating hole manufactures at the middle part of the main body lower end of negative pressure shell, and it is a composite entity that pump cover and the main body after negative pressure shell are combined into after manufacturing；Or, the lower end of the cylindrical cavity body portion in negative pressure shell is divided into two-stage nitration manufacture, the lower part of segmentation place creates pump cover, upper part creates the main body of negative pressure shell, aspirating hole manufactures at the middle part of pump cover, it is a composite entity that centre bore manufacture is combined into after the main body of the middle part of the upper end of the main body of negative pressure shell, pump cover and negative pressure shell manufactures；

Magnetic piston is answered to create the iron core of cylinder, the upper end of cylindrical iron core manufactures limited location hole, below spacing hole, manufacture has a point pore, manufacture below pore is divided to have sealing hole, seal manufacture below hole and have passage, below passage, manufacture has accommodation hole, seals the centrage of hole, passage and the manufacture of accommodation hole on the cylinder centrage of cylindrical iron core；The position of the centrage of cylindrical iron core manufactures to be had passage and seals hole, seals hole and manufactures on passage, below point pore, the time in of being fitted without atresia sealing plate, seals hole and communicates with passage and a point pore in sealing hole；The lower end of cylindrical iron core manufactures concave up sunken accommodation hole；The periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with sealing ring；Periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide at the interior intracavity of negative pressure shell；Described spacing hole creates circular hole, and the ring surface of circular hole creates inlays a point gas restriction plate stationary plane, and the annular bottom surface of circular hole creates restriction point gas restriction plate and inlays 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 and holds hole and seal the circular hole that hole communicates；The described hole that holds creates the circular hole upwards caved in, and communicates with passage；

The described hole that seals creates the hole of circle, manufactures between the passage answered in magnetic piston and point pore, seal the rounded face in hole create accommodation atresia sealing plate inner headed face or internal conical surface, the annular bottom surface of the circular hole sealing hole creates sealing surface；

Atresia sealing plate creates the flat board of circle, and below flat board, one side creates sealing surface, and sealing surface coordinates with answering the sealing hole on magnetic piston；

Described internal taper hole creates tapered circular hole, the face of circular hole creates inner conical surface, inner conical surface can be sealed under the effect of the gravity of ball sealer self, have during suction on ball sealer and pass through the passage that suction can open the ball face sealing of inner conical surface and ball sealer；Air pressure above ball sealer is more big, and ball sealer is more good with the gluing, sealing effect of inner conical surface；

Divide gas restriction plate to create the plate of 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 allowing air pass through；

Ball sealer creates the periphery of spherosome or oval ball, spherosome or oval ball and creates sealing surface, and sealing surface creates sphere；Inner conical surface is sealed by pressing under the self gravitation of ball sealer when the sphere of ball sealer seals with inner conical surface；

Limited cap creates calotte, and the crown part of calotte manufactures the air passing hole allowing gas pass through, and the hatband part of calotte is fixed on to seal and can limit the distance moved on the ball sealer installed on the inner conical surface sealed in neck on neck；

Field controller creates and controls solenoid and produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time again after controlling time and the length producing the electromagnetic field time that electromagnetic field produces and every time producing electromagnetic field；

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

Aspirating hole create air enter squish intracavity in negative pressure shell through via, manufacture the lower part in the centre sealing neck, the manufactured above of upper end at the aspirating hole sealed in neck has internal taper hole, when being fitted without ball sealer in the internal taper hole sealed in neck, internal taper hole communicates with aspirating hole and pumping chamber；

In order to ensure to extract air environmental protection device can normal operation, adopt what control solenoid with insulated electric conductor teacher position key switch even to connect being switched on and off of circuit；

In order to ensure that protecting crust can protect solenoid keep shape and be not easy deformation, the cavity of protecting crust manufactures the skeleton having support；

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

Being provided with solenoid in protecting crust, solenoid is fixed on the upper part outside negative pressure shell, and protecting crust is fixed on the outside protection solenoid on the top of negative pressure shell；Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest is fixed on vacuum tank, and the lower end of foot rest is lower than the position of the aspirating hole of negative pressure shell lower end；The circuit connecting solenoid 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 protecting crust；Limited cap, ball sealer, promotion spring are installed in negative pressure shell, answer magnetic piston, atresia sealing plate, point gas restriction plate, promotion spring is arranged on the upper part of the inner chamber of negative pressure shell, magnetic piston is answered to be arranged on the lower part of inner chamber of negative pressure shell, promote spring to be pressed in the upper end answering magnetic piston or be pressed in be fixed on point water restriction plate answering magnetic piston upper end, answer magnetic piston can slide up and down at the interior intracavity of negative pressure shell；A point gas restriction plate it is fixed with in the spacing hole answering magnetic piston upper end, answering in the sealing hole of upper part of magnetic piston, atresia sealing plate is installed, atresia sealing plate is at point pore sealed between Kong Yufen gas restriction plate and seals in hole and can move up and down, and atresia sealing plate coordinates and the bleed-off passage that can seal or open the squish chamber entered in negative pressure shell with the hole that seals answering magnetic piston；Being provided with ball sealer in the internal taper hole sealed in neck of the lower end in negative pressure shell, limited cap is fixed on the outside sealing neck by screw thread or jump ring, and when limited cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, limited cap has gap with holding hole；Ball sealer coordinates with the internal taper hole sealed in neck and can seal or open the bleed-off passage in entrance negative pressure shell；When answering magnetic piston stroking upward, the lumen portion answering the lower sections of negative pressure shell of magnetic piston is pumping chamber；When answering magnetic descent of piston, the lumen portion answering the negative pressure shell of magnetic piston upper part is squish chamber；Being fixed with exhaust tube at the aspirating 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 aspirating hole and vacuum tank；Being provided with air outlet valve in the upper end of negative pressure shell, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of negative pressure shell。