CN105649949A

CN105649949A - Vacuumizing brake boosting energy saving pump

Info

Publication number: CN105649949A
Application number: CN201610082809.2A
Authority: CN
Inventors: 刘孟孟
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-02-06
Filing date: 2016-02-06
Publication date: 2016-06-08

Abstract

The invention provides a vacuumizing brake boosting energy saving pump and belongs to the field of automobile hydraulic braking vacuum boosting. An upper magnet and a lower magnet of the vacuumizing brake boosting energy saving pump are arranged at the upper portion and the lower portion outside a negative pressure casing correspondingly. A protecting casing is fixed to the negative pressure casing. An exhausting pipe is fixed at the lower end of the negative pressure casing. An air outlet valve is fixed in a central hole of the negative pressure casing. A magnetism induced piston is arranged inside the negative pressure casing. An air exhausting channel of an air exhausting cavity is sealed by a seal plate and an air exhausting channel of an air extruding cavity is sealed by an air passing seal plate. A fixing plug is fixed in a plug hole inside the magnetism induced piston. A seal ball or a seal cone is installed inside an inner cone hole. An accommodating hole is formed in the lower end of the magnetism induced piston. The vacuum-pumping brake boosting energy saving pump is compact in structure, low in vibration, high in utilization rate of electrical energy, strong in power, and suitable for being mounted on electric automobiles and internal combustion engine vehicles with vacuum boosting hydraulic braking for use. By means of the vacuumizing brake boosting energy saving pump, a vacuum can be created and the vacuum boosting can be realized normally after an internal combustion engine shuts down. The vacuum-pumping brake boosting energy saving pump has good market prospects in industrialization, and is high in commercial value and convenient to manufacture and use.

Description

Vacuumize the braking energy-conservation pump of power-assisted

Technical field

The present invention relates to a kind of for braking the energy-conservation pump of power-assisted to vacuumizing of the vacuum booster of the braking master cylinder of automobile generation vacuum power.

Background technology

The vacuum pump used on traditional automobile adopts bias to lay eggs formula, and laing eggs produces suction when rotated and carry out bleeding and produce vacuum.

Summary of the invention

The object that the present invention relates to is the manufacture vacuumizing the braking energy-conservation pump of power-assisted and the method thereof that produce vacuum in order to provide a kind of electromagnetism pulled straight piston motion to bleed.

For achieving the above object, of the present invention vacuumize the braking energy-conservation pump of power-assisted mainly comprise protecting crust, upper magnet, lower magnet, negative pressure shell, aspirating hole, sealing plate, cross airtight shrouding, cross airtight shrouding, ball sealer or sealing cone, limit cap, answer magnetic piston, fixed plug, internal taper hole, ventilating pit, air outlet valve, extraction pipe, Magnetic control device, electronic remote controller;

Or, described vacuumize the braking energy-conservation pump of power-assisted mainly comprise protecting crust, upper magnet, lower magnet, negative pressure shell, aspirating hole, sealing plate, cross airtight shrouding, cross airtight shrouding, ball sealer or sealing cone, limit cap, answer magnetic piston, fixed plug, internal taper hole, ventilating pit, air outlet valve, extraction pipe, Magnetic control device.

Being provided with upper magnet and lower magnet in protecting crust, upper magnet is fixed on the upper section outside negative pressure shell, and lower magnet is fixed on part below outside negative pressure shell, and protecting crust is fixed on the outside protection upper magnet of negative pressure shell and the coil of lower magnet; Below the outside of protecting crust, one side is fixed with pin frame, and the lower end of pin frame protects extraction pipe not oppressed lower than the lower end of negative pressure shell, and the lower end of pin frame is fixed on the vehicle frame of automobile.

Connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, the circuit of Magnetic control device is connected with electronic remote controller, electronic remote controller is connected with insulated line, and the electronic signal receptor of Magnetic control device, electronic remote controller and electronic remote controller is arranged in protecting crust; Or, connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust.

Be provided with in negative pressure shell sealing plate, restriction cap, cross airtight shrouding, answer magnetic piston, fixed plug, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; Answering the upper end surface of the protrusion platform of part below the consent in magnetic piston, airtight shrouding was installed, being provided with fixed plug in consent and limited miles of relative movement when airtight shrouding moves up, the fixing employing shrink-fit of fixed plug in consent is fixed or the two ends of the jump-ring slot internal fixtion fixed plug that jump ring is stuck in consent are fixed or adopted to thread fit; Cross can the moving up and down above of annular sealing surface that airtight shrouding is arranged on the upper end of the protrusion platform answered in magnetic piston, cross when the trim below airtight shrouding coordinates with annular sealing surface and seals and can close the passage bled answered on magnetic piston, cross when the trim below airtight shrouding separates with annular sealing surface and can open the passage bled answered on magnetic piston; Being provided with sealing plate in sealing gap in the sealing neck of the lower end in negative pressure shell, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and when restriction cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, restriction cap has gap in hole with holding; The air inlet that sealing plate can seal with the sealing gap cooperation in the sealing neck of the lower end of negative pressure shell or open the pumping chamber entered in negative pressure shell is led to; When answering magnetic upstroke, the lumen portion answering the negative pressure shell of part below 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 crowded air cavity. Being fixed with extraction pipe at the aspirating hole place of the lower end of negative pressure shell, the other end of extraction pipe is connected with vacuum tank, and the interior hole of extraction pipe communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve.

The material of described protecting crust is the material of the type in metal, plastics, nylon, glass reinforced plastic or several types; The material of hollow valve body and negative pressure shell adopts the material of the type in metal, plastics, nylon and glass reinforced plastic or several types; The material of ball sealer or sealing cone adopts the material of the type in metal, plastics, nylon and rubber or several types; Sealing plate adopts the material of the type in metal, plastics, nylon and glass reinforced plastic or several types with the material crossing airtight shrouding; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction; The material of fixed plug is the material of the type in metal, plastics, nylon, glass reinforced plastic, rubber or several types.

Described protecting crust is the hollow cavity of annular, hollow cavity there is string holes, the parts installed are installed in hollow cavity in Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell, or, the parts installed are installed in hollow cavity in electronic remote controller, Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell; String holes is the hole allowing insulated line pass; The inner of the annular housing of hollow cavity is fixed on negative pressure shell.

For the ease of the processing of protecting crust be convenient to accessory to load in protecting crust, described protecting crust is the molectron 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 cylindrical surface of cylindrical cavity is smooth curved surface; Upper end on the medullary ray of inner chamber has that centre hole passes negative pressure shell, lower end has aspirating hole to pass negative pressure shell; There is sealing neck protruding upward at the middle part of the lower end in negative pressure shell, the upper section of the inside of sealing neck is sealing gap, below part is aspirating hole, the time in of not installing sealing plate in sealing gap, sealing gap communicates with aspirating hole, sealing gap and sealing plate below one side coordinate.

Described air outlet valve comprises hollow valve body and ball sealer or sealing and bores, and hollow valve body is open tube, and internal taper hole is in the middle part of the inner chamber of open tube or middle bottom, and the internal diameter of the upper section of the internal taper hole in open tube is greatly, the internal diameter of part is little below; The lower end of hollow valve body has back airtight end-blocking, the lower surface returning airtight end-blocking is internal taper hole in lower end, the upper surface of hollow valve body, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with ball sealer or sealing cone on the inner conical surface of internal taper hole. Described internal taper hole is the circular hole having tapering, and the face of circular hole is inner conical surface; The little end of internal taper hole under, hold upper greatly, the sphere of inner conical surface and ball sealer or the outer cone match of sealing cone, inner conical surface can be sealed under the effect of ball sealer or the gravity of sealing cone self, inner conical surface can be opened when ball sealer or sealing cone have above suction by suction and bore, with ball sealer or sealing, the passage sealed; Ball sealer or sealing cone air pressure above is more big, and ball sealer or sealing cone are more good with the gluing, sealing effect of inner conical surface; The sealing of inner conical surface and ball sealer or sealing cone can be opened when the interior hole of end under hollow valve body enters the air of pressure and form passage.

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

Described answering magnetic piston to be cylindrical iron core, the periphery of cylindrical iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with wear ring; Described periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell. The cylindrical central portion position of described cylindrical iron core has to be run through hole and holds hole, hold hole and run through the lower surface of iron core, run through hole and run through above iron core, hold hole running through below hole, hold hole and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole. Upper surface, below part that the described upper section running through hole runs through iron core run through the top in the accommodation hole of part below iron core, running through part below hole is ventilating pit, the upper section running through hole is consent, the protrusion platform of annular protruding upward is had in the bottom of consent, the interior hole protruding platform part is the upper section of ventilating pit, protruding the groove having annular between the outside of platform and the consent protruding platform part, the groove of annular enters crowded air cavity after disperseing the passing hole through crossing on airtight shrouding after the air buffer memory entered from ventilating pit; The upper surface of described protrusion platform is smooth annular sealing surface; Lower end at cylindrical iron core has the accommodation hole upwards caved in, the circular hole that described accommodation hole communicates with ventilating pit, upwards caves in, when answering the lower end in magnetic piston arrives negative pressure shell, hold hole and for holding restriction cap and restriction cap is not collided with answering magnetic piston. It is ventilating pit on accommodation hole, it is consent above ventilating pit; Described ventilating pit is the hole excessively allowing air pass through, and below annular sealing surface, communicates with accommodation hole and consent; Described consent is the hole of installation and fixing fixed plug, protruding above platform and protrude outside platform, communicates with accommodation hole and crowded air cavity and determines.

Described fixed plug be restriction be arranged on the distance that the airtight shrouding of mistake of the protrusion platform upper end answered in magnetic piston moves up, centre have the stifled head of ventilating pit, described stifled head to be that centre has the cylinder of through hole or annular collar or jump ring circle; When fixed plug is the cylinder that there is through hole centre, the fixing employing shrink-fit in consent is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent are fixed or adopted to thread fit; When fixed plug is annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent are fixed or adopted to the fixing employing shrink-fit in consent; When fixed plug is jump ring circle, directly jump ring is stuck in consent.

Described annular sealing surface is the trim of the flat smooth of annular, and annular sealing surface coordinates at the trim answering the upper end of the protrusion platform in magnetic piston with airtight shrouding excessively.

The airtight shrouding of described mistake is dull and stereotyped, and the part that the middle portion of dull and stereotyped one side below coordinates with annular sealing surface is trim, the trim of flat board coordinate with annular sealing surface beyond part on have passing hole, passing hole is used for allowing gas pass through.

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is the outer conical surface having tapering; Press down and seal inner conical surface by the gravity of sealing cone self when the outer conical surface of sealing cone and inner conical surface seal.

Described ball sealer is the surface of spherosome or oval ball, spherosome or oval ball is trim, and trim is smooth sphere; The sphere of ball sealer and inner conical surface lean on the gravity of ball sealer to press down and seal inner conical surface when sealing.

Described sealing gap is the hole of shallow cylindrical or shallow cone cylindricality, one-level rank are formed with the upper surface of sealing neck above aspirating hole in the sealing neck of the lower end in negative pressure shell, the face, hole in the hole of shallow cylindrical hole or shallow cone cylindricality be hold sealing plate inner headed face or internal conical surface, the bottom surface of sealing gap be below have the annular sealing surface in hole.

Described sealing plate is circular flat board, and below dull and stereotyped, one side is trim, and trim coordinates with the sealing gap in the sealing neck of the lower end of negative pressure shell.

Described restriction cap is cap cover, and the crown part of cap cover has the air passing hole allowing gas pass through, and the hatband part of cap cover is fixed on the distance that can limit in sealing neck on sealing neck and move on the sealing plate installed.

Described Magnetic control device is the controller that control upper magnet and lower magnet produce electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after control the time of upper magnet and lower magnet generation electromagnetic field and the time length of generation electromagnetic field and producing electromagnetic field.

Described upper magnet and lower magnet are the solenoids that can produce electromagnetic field.

In order to prevent robber from stealing automobile easily, making robber not have vacuum power-assisted when driving automobile and stop stealing garage is adopt installing remote device between teacher position key switch and Magnetic control device to connect and cut off the power-on circuit producing electromagnetic field; Described electronic remote controller is the circuit switch connecting and cutting off Magnetic control device, comprises the switch sections switching on or off circuit and electronics remote control part, and electronics remote control part comprises telepilot switch and electronic signal receptor; Telepilot switch is used for staff and carries with, and is convenient to staff and handles the normal operation vacuumizing the braking energy-conservation pump of power-assisted and cut off the pilot circuit vacuumizing the braking energy-conservation pump of power-assisted; Described electronic remote controller can have in the present invention, it is also possible to does not have.

Described extraction pipe is the open tube of aspirating hole and the vacuum tank connecting negative pressure shell.

Described aspirating hole be air enter the inner chamber of negative pressure shell through air passing hole, sealing neck position, center below part; The time in of not installing sealing plate in sealing gap, the sealing gap on the sealing neck of the lower end of protecting crust communicates with aspirating hole.

The air extracted in vacuum tank is laid in pumping chamber and is waited to press, and extrudes air and produce air pressure and discharge outside negative pressure shell in crowded air cavity; In crowded air cavity during draws air, pumping chamber communicates with crowded air cavity; In crowded air cavity during exhausted air, pumping chamber is sealed with the internal taper hole answered in magnetic piston and disconnect the passage bled entering crowded air cavity by ball sealer or sealing cone.

Described vacuumizes the braking energy-conservation pump of power-assisted in the process of draws air, controls bleed-off passage and go out in the one-way check valve of air passageways do not have return spring; When pumping chamber draws air, the suction answering magnetic upstroke to produce is opened sealing plate and is opened, with the sealing of the sealing gap in the sealing neck of the lower end in negative pressure shell, the passage bled, and the airtight shrouding of mistake being arranged on the sealing neck upper end answered in magnetic piston automatically declines go back to position under the effect of self gravitation and closes the passage bled entering in crowded air cavity and seal; When crowded air cavity draws air, the ball sealer that is arranged on the internal taper hole of air outlet valve or sealing cone utilize the passage of the discharge that the gravity of self makes ball sealer or sealing cone automatically declines go back to position and close on air outlet valve to seal, and answer magnetic descent of piston and make generation pressure promotion pumping chamber in be arranged on the airtight shrouding of mistake of the protrusion platform upper end answered in magnetic piston to go then open the passage bled entering in crowded air cavity; When crowded air cavity exhausted air, under the effect going out atmospheric pressure, promote the ball sealer on the internal taper hole of air outlet valve or seal the passage given vent to anger boring row and open air outlet valve, answer magnetic descent of piston and make in pumping chamber, to produce pressure promotion and be arranged on the airtight shrouding of mistake of the protrusion platform upper end answered in magnetic piston to go then open the passage bled entering in crowded air cavity.

In order to ensure to vacuumize the braking energy-conservation pump of power-assisted can normal operation, adopt connection and the cut-out of the junction circuit with insulated line teacher position key on-off control Magnetic control device even; Or, adopt connection and the cut-out of the junction circuit of teacher position key switch and the electronic remote controller co-controlling Magnetic control device connected with insulated line.

In order to ensure that protecting crust can protect the coil of upper magnet and lower magnet not damaged and keep the shape of protecting crust, in the inner chamber of protecting crust, manufacture the skeleton having support.

In order to enable to answer magnetic piston to promote the air in the pumping chamber in negative pressure shell to enter in crowded air cavity, the electromagnetic field adopting lower magnet to produce is answered magnetic piston to move down as pulling and the air in pumping chamber is squeezed the power into crowded air cavity.

During use, teacher of the opening position key switch directly connects insulated line and the power-on circuit of Magnetic control device, or, pressing the starting button of telepilot switch after the power-on circuit of teacher of the opening position key ON electronic remote controller, the circuit of electronic remote controller and Magnetic control device connected by electronic signal receptor after receiving start signal; The power-on circuit generation electromagnetic field that upper magnet and lower magnet are connected in circulation connected by Magnetic control device, when upper magnet produces electromagnetic field, the magnetism of electromagnetic field pulls answers magnetic piston to move up, when answering magnetic piston to start upper row, the airtight shrouding of mistake being arranged on the protrusion platform upper end answered in magnetic piston is descending and close the passage bled that air enters crowded air cavity under the effect of the gravity of self; When answering magnetic upstroke, answer the upper row of magnetic piston and make the air in crowded air cavity create pressure, the internal taper hole having the air of pressure to enter in air outlet valve from the interior hole of the sealed end of the lower end of air outlet valve promotes ball sealer or seals the seal channel boring upper row and open air outlet valve, and the air in crowded air cavity is entered in air after air outlet valve; Answer magnetic piston when upper row, magnetic piston is answered also to make to create in pumping chamber vacuum suction, vacuum suction is inhaled dynamic seal plate and sealing plate is separated with the trim of sealing gap, air in vacuum tank enters into sealing gap from extraction pipe through aspirating hole, then the air passing hole on restriction cap enters answering in the pumping chamber below magnetic piston in negative pressure shell.

When answering magnetic upstroke to move into place, connecting the power-on circuit of lower magnet after the power-on circuit of Magnetic control device disconnection upper magnet, the electromagnetic field of upper magnet disappears, and the electromagnetic field that lower magnet produces pulls answers magnetic descent of piston; When answering magnetic piston to start descending, descending time position under the effect of the negative pressure of vacuum of the sealing plate of the lower end of negative pressure shell being arranged in the sealing neck of lower end in negative pressure shell under the effect of self gravitation and in vacuum tank and close the bleed-off passage entering pumping chamber, ball sealer in air outlet valve or sealing cone under the effect of the gravity of self descending time position and seal the inner conical surface of air outlet valve, cut off the outlet passageway of crowded air cavity; Answer magnetic piston when descending, answer magnetic piston to promote the air entering in pumping chamber and make air produce internal pressure, have the air of pressure to continue row from answering the ventilating pit in magnetic piston to enter into answer the upper end of the protrusion platform in magnetic piston upwards to wash open after annular sealing surface made airtight shrouding be shifted with crossing the sealing of airtight shrouding, through enter in crowded air cavity after the ventilating pit in fixed plug again after passing hole on airtight shrouding.

Answer magnetic piston when the gravitation of the electromagnetic field that lower magnet produces pulls descending putting in place, the airtight shrouding of mistake being arranged on the protrusion platform upper end answered in magnetic piston is descending and the annular sealing surface of sealing neck upper end is shut and make air not return pumping chamber under the effect of the gravity of self, now, the power-on circuit that magnet connected again by Magnetic control device again produces electromagnetic field and pulls and answer magnetic upstroke; So connection of circulation and cut off circuit, the electromagnetic field that upper magnet is produced pulls answers magnetic upstroke and the electromagnetic field that allows lower magnet produce to pull to answer magnetic descent of piston, constantly the air extraction in vacuum tank is entered in air.

A kind of manufacture method vacuumizing the braking energy-conservation pump of power-assisted, it is characterised in that:

When manufacturing, protecting crust adopts the material manufacture of the type in metal, plastics, nylon, glass reinforced plastic or several types; Hollow valve body and negative pressure shell adopt the material manufacture of the type in metal, plastics, nylon and glass reinforced plastic or several types; Ball sealer or sealing cone adopt the material manufacture of the type in metal, plastics, nylon and rubber or several types; The material manufacture of sealing plate and the type crossed in airtight shrouding employing metal, plastics, nylon and glass reinforced plastic or several types; Magnetic piston is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy; Fixed plug adopts the material manufacture of the type in metal, plastics, nylon, glass reinforced plastic, rubber or several types.

Protecting crust creates the hollow cavity of annular, and hollow cavity manufactures string holes, and string holes creates the hole allowing insulated line pass; The parts installed are installed in hollow cavity in Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell, or, the parts installed are installed in hollow cavity in electronic remote controller, Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell; The inner of the annular housing of hollow cavity is fixed on negative pressure shell.

In order to convenient for assembly, protecting crust is when manufacturing, and after protecting crust is divided into two portions manufacture from annular position, recombinant is together.

The inner chamber of negative pressure shell creates cylindrical cavity, and the cylinder surface of cylindrical cavity creates smooth curved surface; Upper end on the medullary ray of inner chamber manufactures has the centre hole through negative pressure shell, lower end manufacture to have aspirating hole to pass negative pressure shell; The middle part of the lower end in negative pressure shell manufactures sealing neck protruding upward, and the upper section of the inside of sealing neck creates sealing gap, below part and creates aspirating hole, and sealing gap communicates with aspirating hole, sealing gap and sealing plate below simultaneously coordinate.

Air outlet valve creates hollow valve body and ball sealer or sealing and bores two portions, hollow valve body creates open tube, internal taper hole is manufactured on the middle part of the inner chamber of open tube or middle bottom, and the internal diameter that the upper section of the internal taper hole in open tube the manufactures internal diameter that part manufactures greatly, below is little; The lower end manufacture of hollow valve body has back airtight end-blocking, the lower surface returning airtight end-blocking is manufactured on the lower end of hollow valve body, upper surface creates internal taper hole, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with ball sealer or sealing cone on the inner conical surface of internal taper hole. Described sealing cone creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the outer conical surface of tapering; Press down and seal inner conical surface by the gravity of sealing cone self when the outer conical surface of sealing cone and inner conical surface seal; Described ball sealer creates spherosome or oval ball, and the surface of spherosome or oval ball creates trim, and trim creates smooth sphere; The sphere of ball sealer and inner conical surface lean on the self gravitation of ball sealer to press down and seal inner conical surface when sealing. Described internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The little end of internal taper hole under, hold upper greatly, inner conical surface can be sealed under the effect of ball sealer or the gravity of sealing cone self, inner conical surface can be opened when ball sealer or sealing cone have above suction by suction and bore, with ball sealer or sealing, the passage sealed; Ball sealer or sealing cone air pressure above is more big, and ball sealer or sealing cone are more good with the gluing, sealing effect of inner conical surface; The sealing of inner conical surface and ball sealer or sealing cone can be opened when the interior hole of end under hollow valve body enters the air of pressure and form passage.

For the ease of the processing of negative pressure shell be convenient to accessory to load in negative pressure shell, described negative pressure shell create segmental machining manufacture after molectron; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections of manufactures, the upper section of segmentation place creates pump cover, below part and creates the main body of negative pressure shell, centre hole is manufactured on pump cover, aspirating hole is manufactured on the middle part of the lower end of main body 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 main body that below segmentation place, part creates pump cover, upper section creates negative pressure shell, aspirating hole is manufactured on the middle part of pump cover, centre hole 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.

Answering magnetic piston to create cylindrical iron core, the periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with wear ring, described periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell. the cylindrical central portion position of described cylindrical iron core manufactures to have to be run through hole and holds hole, holding the lower surface that iron core is run through in hole, run through hole and run through above iron core, accommodation hole is manufactured on to be run through below hole, hold hole and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole. the described upper surface run through hole and create upper section and run through iron core, part runs through the top in the accommodation hole of part below iron core below, run through part below hole and create ventilating pit, the upper section running through hole creates consent, the protrusion platform having annular protruding upward is manufactured in the bottom of consent, the interior hole protruding platform part manufactures the upper section of ventilating pit, protruding the groove manufacturing between the outside of platform and the consent protruding platform part and having annular, the groove of annular enters crowded air cavity after disperseing the passing hole through crossing on airtight shrouding after the air buffer memory entered from ventilating pit, the upper surface of described protrusion platform creates smooth annular sealing surface. lower end manufacture at cylindrical iron core has the accommodation hole upwards caved in, described accommodation hole creates circular hole that communicate, that upwards cave in ventilating pit, when answering the lower end in magnetic piston arrives negative pressure shell, hold hole and can hold restriction cap and restriction cap is not collided with answering magnetic piston. manufacturing on accommodation hole and have ventilating pit, manufacturing above of ventilating pit has consent, described ventilating pit creates the hole excessively allowing air pass through, and is manufactured on below annular sealing surface, communicates with pumping chamber and consent, described consent creates installation and the hole of fixing fixed plug, be manufactured on protrude platform above and protrude outside platform, communicate with accommodation hole and crowded air cavity fixed.

Fixed plug creates the stifled head that there is ventilating pit centre, and described stifled head creates centre the cylinder of through hole or annular collar or jump ring circle, it is possible to restriction is arranged on the distance that the airtight shrouding of mistake of the protrusion platform upper end answered in magnetic piston moves up; When fixed plug creates the cylinder that there is through hole centre, the fixing employing shrink-fit in consent is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent are fixed or adopted to thread fit; When fixed plug creates annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent are fixed or adopted to the fixing employing shrink-fit in consent; When fixed plug creates jump ring circle, directly jump ring is stuck in consent.

Described annular sealing surface creates the trim of the flat smooth of annular, and the upper end being manufactured on the protrusion platform answered in magnetic piston coordinates with the trim crossing airtight shrouding.

The airtight shrouding of described mistake creates flat board, the part that below dull and stereotyped, the middle portion of one side coordinates with annular sealing surface creates trim, dull and stereotyped trim coordinate with annular sealing surface beyond part on manufacture have passing hole, passing hole is used for allowing gas pass through.

Sealing gap creates the hole of shallow cylindrical or shallow cone cylindricality, one-level rank are formed with the upper surface of sealing neck above aspirating hole in the sealing neck of the lower end being manufactured in negative pressure shell, the face, hole in the hole of shallow cylindrical hole or shallow cone cylindricality create hold sealing plate inner headed face or internal conical surface, the bottom surface of sealing gap create below have the annular sealing surface in hole.

Sealing plate creates circular flat board, and below dull and stereotyped, one side creates trim, and trim coordinates with the sealing gap in the sealing neck of the lower end of negative pressure shell.

Restriction cap creates cap cover, and the crown part of cap cover manufactures the air passing hole allowing gas pass through, and the hatband part of cap cover is fixed on the distance that can limit in sealing neck on sealing neck and move on the sealing plate installed.

Magnetic control device creates control upper magnet and lower magnet produces the controller of electromagnetic field, control upper magnet and lower magnet produce time of electromagnetic field and after producing the time length of electromagnetic field and producing electromagnetic field every time to the interval time producing electromagnetic field for the second time again.

Upper magnet and lower magnet create the solenoid that can produce electromagnetic field.

In order to prevent robber from stealing automobile easily, making robber not have vacuum power-assisted when driving automobile and stop stealing garage is adopt installing remote device between teacher position key switch and Magnetic control device to connect and cut off the power-on circuit producing electromagnetic field; Described electronic remote controller creates the circuit switch connected and cut off Magnetic control device, comprises the switch sections switching on or off circuit and electronics remote control part, and electronics remote control part comprises telepilot switch and electronic signal receptor; Described electronic remote controller can have in the present invention, it is also possible to does not have.

Extraction pipe creates the open tube of aspirating hole and the vacuum tank connecting negative pressure shell.

Aspirating hole create air enter negative pressure shell inner chamber through hole, be manufactured on sealing neck position, center below part; The time in of not installing sealing plate in sealing gap, the sealing gap on the sealing neck of the lower end of protecting crust communicates with aspirating hole.

Being provided with upper magnet and lower magnet in protecting crust, upper magnet is fixed on the upper section outside negative pressure shell, and lower magnet is fixed on part below outside negative pressure shell, and protecting crust is fixed on the outside protection upper magnet of negative pressure shell and the coil of lower magnet; Below the outside of protecting crust, one side is fixed with pin frame, and the lower end of pin frame protects extraction pipe not oppressed lower than the lower end of negative pressure shell, and the lower end of pin frame is fixed on the vehicle frame of automobile. Connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, the circuit of Magnetic control device is connected with electronic remote controller, electronic remote controller is connected with insulated line, and the electronic signal receptor of Magnetic control device, electronic remote controller and electronic remote controller is arranged in protecting crust; Or, connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust.

Be provided with in negative pressure shell sealing plate, cross airtight shrouding, limit cap, answer magnetic piston, fixed plug, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; Answering the upper end surface of the protrusion platform of part below the consent in magnetic piston, airtight shrouding was installed, being provided with fixed plug in consent and limited miles of relative movement when airtight shrouding moves up, the fixing employing shrink-fit of fixed plug in consent is fixed or the two ends of the jump-ring slot internal fixtion fixed plug that jump ring is stuck in consent are fixed or adopted to thread fit; Cross can the moving up and down above of annular sealing surface that airtight shrouding is arranged on the upper end of the protrusion platform answered in magnetic piston, cross when the trim below airtight shrouding coordinates with annular sealing surface and seals and can close the passage bled answered on magnetic piston, cross when the trim below airtight shrouding separates with annular sealing surface and can open the passage bled answered on magnetic piston; Being provided with sealing plate in sealing gap in the sealing neck of the lower end in negative pressure shell, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and when restriction cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, restriction cap has gap in hole with holding; Sealing plate can seal with the sealing gap cooperation in the sealing neck of the lower end of negative pressure shell or open the passage bled of the pumping chamber entered in negative pressure shell; When answering magnetic upstroke, the lumen portion answering the negative pressure shell of part below 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 crowded air cavity. Being fixed with extraction pipe at the aspirating hole place of the lower end of negative pressure shell, the other end of extraction pipe is connected with vacuum tank, and the interior hole of extraction pipe communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve.

The present invention vacuumizes the compact construction of the braking energy-conservation pump of power-assisted, vibrates little, utilization rate of electrical height, powerful, the electromobile and the internal-combustion engines vehicle that are applicable to vacuum boosting hydraulic brake are installed and used, and also can produce vacuum normally and realize vacuum power-assisted after oil engine shuts down; The market outlook of industrialization are good, commercial value height, manufacture and use all very convenient.

Accompanying drawing explanation

Fig. 1 and Fig. 2 is the structural representation vacuumizing the braking energy-conservation pump of power-assisted.

Fig. 3 is the structural representation answering magnetic piston.

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

Shown in figure: protecting crust 1, pin frame 2, extraction pipe 3, negative pressure shell 4, hollow valve body 5, lower magnet 6, answer magnetic piston 7, ball sealer 8 or sealing cone 8, fixed plug 10, restriction cap 11, air passing hole 12, upper magnet 13, cross airtight shrouding 14, passing hole 15, ventilating pit 16, annular sealing surface 17, consent 18, sealing plate 19, hold hole 25.

Embodiment

The present invention vacuumize braking the energy-conservation pump of power-assisted mainly comprise protecting crust 1, upper magnet 13, lower magnet 6, negative pressure shell 4, aspirating hole, seal cap 11, cross airtight shrouding 14, cross airtight shrouding 14, ball sealer 8 or sealing cone 8, restriction cap 11, answer magnetic piston 7, fixed plug 10, internal taper hole, ventilating pit 16, air outlet valve, extraction pipe 3, Magnetic control device, electronic remote controller; Or comprise protecting crust 1, upper magnet 13, lower magnet 6, negative pressure shell 4, aspirating hole, seal cap 11, excessively airtight shrouding 14, excessively airtight shrouding 14, ball sealer 8 or sealing cone 8, restriction cap 11, answer magnetic piston 7, fixed plug 10, internal taper hole, ventilating pit 16, air outlet valve, extraction pipe 3, Magnetic control device.

Upper magnet 13 and lower magnet 6 are installed in protecting crust 1, upper magnet 13 is fixed on the upper section outside negative pressure shell 4, lower magnet 6 is fixed on part below outside negative pressure shell 4, and protecting crust 1 is fixed on the outside protection upper magnet 13 of negative pressure shell 4 and the coil of lower magnet 6; Below the outside of protecting crust 1, one side is fixed with pin frame 2, and the lower end of pin frame 2 protects extraction pipe 3 not oppressed lower than negative pressure shell 4 times ends, and the lower end of pin frame 2 is fixed on the vehicle frame of automobile.

Connection upper magnet 13 and the circuit of lower magnet 6 are connected with the circuit of Magnetic control device, the circuit of Magnetic control device is connected with electronic remote controller, electronic remote controller is connected with insulated line, and the electronic signal receptor of Magnetic control device, electronic remote controller and electronic remote controller is arranged in protecting crust 1; Or, connection upper magnet 13 and the circuit of lower magnet 6 are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust 1.

Being provided with seal cap 11, restriction cap 11 in negative pressure shell 4, cross airtight shrouding 14, answer magnetic piston 7, fixed plug 10, answering magnetic piston 7 to be arranged in the inner chamber of negative pressure shell 4 can slide up and down; Below the consent 18 answered in magnetic piston 7, the upper end surface of the protrusion platform of part was provided with airtight shrouding 14, being provided with fixed plug 10 in consent 18 and limited miles of relative movement when airtight shrouding 14 moves up, the fixing employing shrink-fit of fixed plug 10 in consent 18 is fixed or the two ends of the jump-ring slot internal fixtion fixed plug 10 that jump ring is stuck in consent 18 are fixed or adopted to thread fit; Cross can the moving up and down above of annular sealing surface 17 that airtight shrouding 14 is arranged on the upper end of the protrusion platform answered in magnetic piston 7, cross when the trim below airtight shrouding 14 coordinates and seal with annular sealing surface 17 and can close the passage bled answered on magnetic piston 7, cross when the trim below airtight shrouding 14 separates with annular sealing surface 17 and can open the passage bled answered on magnetic piston 7; In sealing gap in the sealing neck of the lower end in negative pressure shell 4, seal cap 11 is installed, restriction cap 11 is fixed on the outside of sealing neck by screw thread or jump ring, when restriction cap 11 is in the accommodation hole 25 answering the lower end of magnetic piston 7 upwards to cave in, there is gap in hole 25 to restriction cap 11 with holding; Sealing gap in the sealing neck of seal cap 11 and negative pressure shell 4 times ends coordinate and can seal or open the pumping chamber entered in negative pressure shell 4 air inlet lead to; When answering row on magnetic piston 7, the lumen portion answering the negative pressure shell 4 of part below magnetic piston 7 is pumping chamber; When answering magnetic piston 7 descending, the lumen portion answering the negative pressure shell 4 of magnetic piston 7 upper section is crowded air cavity. Being fixed with extraction pipe 3 at the aspirating hole place of the lower end of negative pressure shell 4, the other end of extraction pipe 3 is connected with vacuum tank, and the interior hole of extraction pipe 3 communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell 4, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell 4, and the upper surface of negative pressure shell 4 is exposed in the upper end of air outlet valve.

When manufacturing, protecting crust 1 adopts the material manufacture of the type in metal, plastics, nylon, glass reinforced plastic, rubber or several types, when protecting crust 1 when adopting elastomeric material to manufacture or after manufacture shaping is soft-shell, it is made to float on gas face first in use the inner chamber inflation of protecting crust 1; Hollow valve body 5 and negative pressure shell 4 adopt the material manufacture of the type in metal, plastics, nylon and glass reinforced plastic or several types; Ball sealer 8 or sealing cone 8 adopt the material manufacture of the type in metal, plastics, nylon and rubber or several types; Seal cap 11 adopts the material manufacture of the type in metal, plastics, nylon and glass reinforced plastic or several types with crossing airtight shrouding 14; Magnetic piston 7 is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy; Fixed plug 10 adopts the material manufacture of the type in metal, plastics, nylon, glass reinforced plastic, rubber or several types.

Protecting crust 1 creates the hollow cavity of annular, and hollow cavity manufactures string holes, and string holes creates the hole allowing insulated line pass; The parts installed are installed in hollow cavity in Magnetic control device, upper magnet 13, lower magnet 6 and negative pressure shell 4 and negative pressure shell 4, or, the parts installed are installed in hollow cavity in electronic remote controller, Magnetic control device, upper magnet 13, lower magnet 6 and negative pressure shell 4 and negative pressure shell 4; The inner of the annular housing of hollow cavity is fixed on negative pressure shell 4.

In order to convenient for assembly, protecting crust 1 is when manufacturing, and after protecting crust 1 is divided into two portions manufacture from annular position, recombinant is together.

The inner chamber of negative pressure shell 4 creates cylindrical cavity, and the cylinder surface of cylindrical cavity creates smooth curved surface; Upper end on the medullary ray of inner chamber manufactures has the centre hole through negative pressure shell 4, lower end manufacture to have aspirating hole to pass negative pressure shell 4; The middle part of the lower end in negative pressure shell 4 manufactures sealing neck protruding upward, and the upper section of the inside of sealing neck creates sealing gap, below part and creates aspirating hole, and sealing gap communicates with aspirating hole, and sealing gap coordinates with one side below seal cap 11.

Air outlet valve creates hollow valve body 5 and ball sealer 8 or sealing and bores 8 two portions, hollow valve body 5 creates open tube, internal taper hole is manufactured on the middle part of the inner chamber of open tube or middle bottom, and the internal diameter that the upper section of the internal taper hole in open tube the manufactures internal diameter that part manufactures greatly, below is little; The lower end manufacture of hollow valve body 5 has back airtight end-blocking, the lower surface returning airtight end-blocking is manufactured on the lower end of hollow valve body 5, upper surface creates internal taper hole, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with ball sealer 8 or sealing cone 8 on the inner conical surface of internal taper hole. Described sealing cone 8 creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the outer conical surface of tapering; Press down and seal inner conical surface by the gravity of sealing cone 8 self when the outer conical surface of sealing cone 8 and inner conical surface seal; Described ball sealer 8 creates spherosome or oval ball, and the surface of spherosome or oval ball creates trim, and trim creates smooth sphere; The sphere of ball sealer 8 and inner conical surface lean on the self gravitation of ball sealer 8 to press down and seal inner conical surface when sealing. Described internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The little end of internal taper hole under, hold upper greatly, inner conical surface can be sealed under the effect of ball sealer 8 or the gravity of sealing cone 8 self, inner conical surface can be opened when ball sealer 8 or sealing cone 8 have above suction by suction and bore 8 passages sealed with ball sealer 8 or sealing; It is more big that the air pressure above 8 is bored in ball sealer 8 or sealing, and ball sealer 8 or sealing cone 8 are more good with the gluing, sealing effect of inner conical surface; The sealing of inner conical surface and ball sealer 8 or sealing cone 8 can be opened when entering the air of pressure from the interior hole of hollow valve body 5 times ends and form passage.

For the ease of the processing of negative pressure shell 4 be convenient to accessory to load in negative pressure shell 4, described negative pressure shell 4 create segmental machining manufacture after molectron; The upper end of the circular cylindrical cavity part in negative pressure shell 4 is divided into two sections of manufactures, the upper section of segmentation place creates pump cover, below part and creates the main body of negative pressure shell 4, centre hole is manufactured on pump cover, aspirating hole is manufactured on the middle part of the lower end of main body of negative pressure shell 4, and it is a composite entity that the main body after pump cover and negative pressure shell 4 is combined into after manufacturing; Or, the lower end of the circular cylindrical cavity part in negative pressure shell 4 is divided into two sections of manufactures, the main body that below segmentation place, part creates pump cover, upper section creates negative pressure shell 4, aspirating hole is manufactured on the middle part of pump cover, centre hole is manufactured on the middle part of the upper end of the main body of negative pressure shell 4, and it is a composite entity that the main body of pump cover and negative pressure shell 4 is combined into after manufacturing.

Answering magnetic piston 7 to create cylindrical iron core, the periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with wear ring, described periphery coordinate with the inner chamber of negative pressure shell 4 can the inner chamber of sealed negative-pressure shell 4, and can slide in the inner chamber of negative pressure shell 4. the cylindrical central portion position of described cylindrical iron core manufactures to have to be run through hole and holds hole 25, hold the lower surface that iron core is run through in hole 25, running through hole runs through above iron core, accommodation hole 25 is manufactured on to be run through below hole, hold hole 25 and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole 25. the described upper surface run through hole and create upper section and run through iron core, part runs through the top in the accommodation hole 25 of part below iron core below, run through part below hole and create ventilating pit 16, the upper section running through hole creates consent 18, the protrusion platform having annular protruding upward is manufactured in the bottom of consent 18, the interior hole protruding platform part manufactures the upper section of ventilating pit 16, protruding the groove manufacturing between the outside of platform and the consent 18 protruding platform part and having annular, the groove of annular is used for entering crowded air cavity after disperseing the passing hole 15 through crossing airtight shrouding 14 after the air buffer memory that ventilating pit 16 enters, the upper surface of described protrusion platform creates smooth annular sealing surface 17. lower end manufacture at cylindrical iron core has the accommodation hole 25 upwards caved in, described accommodation hole 25 creates circular hole that communicate, that upwards cave in ventilating pit 16, when answering magnetic piston 7 to arrive the lower end in negative pressure shell 4, hold hole 25 and can hold restriction cap 11 and restriction cap 11 is not collided with answering magnetic piston 7. manufacturing on accommodation hole 25 and have ventilating pit 16, manufacturing above of ventilating pit 16 has consent 18, described ventilating pit 16 creates the hole excessively allowing air pass through, and is manufactured on below annular sealing surface 17, communicates with pumping chamber and consent 18, described consent 18 creates installation and the hole of fixing fixed plug 10, be manufactured on protrude platform above and protrude outside platform, communicate with accommodation hole 25 and crowded air cavity fixed.

Fixed plug 10 creates the stifled head that there is ventilating pit 16 centre, and described stifled head creates centre the cylinder of through hole or annular collar or jump ring circle, it is possible to restriction is arranged on the distance that the airtight shrouding 14 of mistake of the protrusion platform upper end answered in magnetic piston 7 moves up; When fixed plug 10 creates the cylinder that there is through hole centre, the fixing employing shrink-fit in consent 18 is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent 18 are fixed or adopted to thread fit; When fixed plug 10 creates annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent 18 are fixed or adopted to the fixing employing shrink-fit in consent 18; When fixed plug 10 creates jump ring circle, directly jump ring is stuck in consent 18.

Described annular sealing surface 17 creates the trim of the flat smooth of annular, and the upper end being manufactured on the protrusion platform answered in magnetic piston 7 coordinates with the trim crossing airtight shrouding 14.

The airtight shrouding 14 of described mistake creates flat board, the part that below dull and stereotyped, the middle portion of one side coordinates with annular sealing surface 17 creates trim, dull and stereotyped trim coordinate with annular sealing surface 17 beyond part on manufacture have passing hole 15, for allowing, gas passes through passing hole 15.

Sealing gap creates the hole of shallow cylindrical or shallow cone cylindricality, one-level rank are formed with the upper surface of sealing neck above aspirating hole in the sealing neck of the lower end being manufactured in negative pressure shell 4, the face, hole in the hole of shallow cylindrical hole or shallow cone cylindricality creates and holds the inner headed face of seal cap 11 or internal conical surface, the bottom surface of sealing gap create below have the annular sealing surface 17 in hole.

Seal cap 11 creates circular flat board, and below dull and stereotyped, one side creates trim, and the sealing gap in the sealing neck of trim and negative pressure shell 4 times ends coordinates.

Restriction cap 11 creates cap cover, and the crown part of cap cover manufactures the air passing hole 12 allowing gas pass through, and the hatband part of cap cover is fixed on the distance that can limit in sealing neck on the seal cap 11 installed on sealing neck and move.

Magnetic control device creates control upper magnet 13 and lower magnet 6 produces the controller of electromagnetic field, control upper magnet 13 and lower magnet 6 produces time of electromagnetic field and after producing the time length of electromagnetic field and producing electromagnetic field every time to the interval time producing electromagnetic field for the second time again.

Upper magnet 13 and lower magnet 6 create the solenoid that can produce electromagnetic field.

Extraction pipe 3 creates the open tube of aspirating hole and the vacuum tank connecting negative pressure shell 4.

Aspirating hole create air enter negative pressure shell 4 inner chamber through hole, be manufactured on sealing neck position, center below part; When not installing seal cap 11 in sealing gap, the sealing gap on the sealing neck of protecting crust 1 time end communicates with aspirating hole.

In order to ensure that protecting crust 1 can protect the coil of upper magnet 13 and lower magnet 6 not damaged and keep the shape of protecting crust 1, in the inner chamber of protecting crust 1, manufacture the skeleton having support.

In order to make to answer magnetic piston 7 that the air in the pumping chamber in negative pressure shell 4 can be promoted to enter in crowded air cavity, the electromagnetic field adopting lower magnet 6 to produce is answered magnetic piston 7 to move down as pulling and the air in pumping chamber is squeezed the power into crowded air cavity.

The air extracted in vacuum tank is laid in pumping chamber and is waited to press, and extrudes air and produce air pressure and discharge outside negative pressure shell in crowded air cavity; In crowded air cavity during draws air, pumping chamber communicates with crowded air cavity; In crowded air cavity during exhausted air, pumping chamber is sealed with the internal taper hole answered in magnetic piston 7 and disconnect the passage bled entering crowded air cavity by ball sealer 8 or sealing cone 8.

Described vacuumizes the braking energy-conservation pump of power-assisted in the process of draws air, controls bleed-off passage and go out in the one-way check valve of air passageways do not have return spring; When pumping chamber draws air, the suction answering on magnetic piston 7 row to produce is opened seal cap 11 and the sealing of the sealing gap in the sealing neck of the lower end in negative pressure shell 4 and is opened the passage bled, and the airtight shrouding 14 of mistake being arranged on the sealing neck upper end answered in magnetic piston 7 automatically declines go back to position under the effect of self gravitation and closes the passage bled entering in crowded air cavity and seal; When crowded air cavity draws air, the ball sealer 8 that is arranged on the internal taper hole of air outlet valve or sealing cone 8 utilize the passage of the discharge that the gravity of self makes ball sealer 8 or sealing cone 8 automatically declines go back to position and close on air outlet valve to seal, and answer magnetic piston 7 descending and make generation pressure promotion pumping chamber in be arranged on the airtight shrouding of mistake 14 of the protrusion platform upper end answered in magnetic piston 7 to go then open the passage bled entering in crowded air cavity; When crowded air cavity exhausted air, under the effect going out atmospheric pressure, promote the ball sealer 8 on the internal taper hole of air outlet valve or seal the passage given vent to anger boring row on 8 and open air outlet valve, answer magnetic piston 7 descending and make in pumping chamber, to produce pressure promotion and be arranged on the airtight shrouding of mistake 14 of the protrusion platform upper end answered in magnetic piston 7 to go then open the passage bled entering in crowded air cavity.

During use, teacher of the opening position key switch directly connects insulated line and the power-on circuit of Magnetic control device, or, pressing the starting button of telepilot switch after the power-on circuit of teacher of the opening position key ON electronic remote controller, the circuit of electronic remote controller and Magnetic control device connected by electronic signal receptor after receiving start signal; The power-on circuit generation electromagnetic field that upper magnet 13 and lower magnet 6 are connected in circulation connected by Magnetic control device, when upper magnet 13 produces electromagnetic field, the magnetism of electromagnetic field pulls answers magnetic piston 7 to move up, when answering magnetic piston 7 to start upper row, the airtight shrouding of mistake 14 being arranged on the protrusion platform upper end answered in magnetic piston 7 is descending and close the passage bled that air enters crowded air cavity under the effect of the gravity of self; When answering row on magnetic piston 7, answer the upper row of magnetic piston 7 and make the air in crowded air cavity create pressure, the internal taper hole having the air of pressure to enter in air outlet valve from the interior hole of the sealed end of the lower end of air outlet valve promotes ball sealer 8 or seals the seal channel boring row on 8 and open air outlet valve, and the air in crowded air cavity is entered in air after air outlet valve; Answer magnetic piston 7 when upper row, magnetic piston 7 is answered also to make to create in pumping chamber vacuum suction, vacuum suction is inhaled dynamic seal cap 11 and seal cap 11 and the trim of sealing gap is separated, air in vacuum tank enters into sealing gap from extraction pipe 3 through aspirating hole, then the air passing hole 12 on restriction cap 11 enters answering in the pumping chamber below magnetic piston 7 in negative pressure shell 4.

When answering on magnetic piston 7 row to move into place, the power-on circuit of lower magnet 6 connected by Magnetic control device after disconnecting the power-on circuit of upper magnet 13, the electromagnetic field of upper magnet 13 disappears, and the electromagnetic field that lower magnet 6 produces pulls answers magnetic piston 7 descending; When answering magnetic piston 7 to start descending, descending time position under the effect of the negative pressure of vacuum of the seal cap 11 of the negative pressure shell 4 times ends being arranged in the sealing neck of lower end in negative pressure shell 4 under the effect of self gravitation and in vacuum tank and close the bleed-off passage entering pumping chamber, ball sealer 8 in air outlet valve or sealing cone 8 under the effect of the gravity of self descending time position and seal the inner conical surface of air outlet valve, cut off the outlet passageway of crowded air cavity; Answer magnetic piston 7 when descending, answer magnetic piston 7 to promote the air entering in pumping chamber and make air produce internal pressure, have the air of pressure upwards to wash open after annular sealing surface 17 made airtight shrouding 14 be shifted with crossing the sealing of airtight shrouding 14 from the upper end that the ventilating pit 16 answered in magnetic piston 7 enters into the protrusion platform answered in magnetic piston 7 and continue row, through enter in crowded air cavity after the ventilating pit 16 in fixed plug 10 again after passing hole 15 on airtight shrouding 14.

Answer magnetic piston 7 when the gravitation of the electromagnetic field that lower magnet 6 produces pulls descending putting in place, the airtight shrouding of mistake 14 being arranged on the protrusion platform upper end answered in magnetic piston 7 is descending and the annular sealing surface 17 of sealing neck upper end is shut and make air not return pumping chamber under the effect of the gravity of self, now, the power-on circuit that magnet connected again by Magnetic control device again produces electromagnetic field and pulls and answer row on magnetic piston 7; So connection of circulation and cut off circuit, the electromagnetic field that upper magnet 13 is produced pulls answers row on magnetic piston 7 and the electromagnetic field that allows lower magnet 6 produce to pull to answer magnetic piston 7 descending, constantly the air extraction in vacuum tank is entered in air.

Claims

1. one kind vacuumizes the braking energy-conservation pump of power-assisted, it is characterised in that: described vacuumize the braking energy-conservation pump of power-assisted comprise protecting crust, upper magnet, lower magnet, negative pressure shell, aspirating hole, sealing plate, cross airtight shrouding, cross airtight shrouding, sealing cone, limit cap, answer magnetic piston, fixed plug, internal taper hole, ventilating pit, air outlet valve, extraction pipe, Magnetic control device;

Being provided with upper magnet and lower magnet in protecting crust, upper magnet is fixed on the upper section outside negative pressure shell, and lower magnet is fixed on part below outside negative pressure shell, and protecting crust is fixed on the outside protection upper magnet of negative pressure shell and the coil of lower magnet; Below the outside of protecting crust, one side is fixed with pin frame, and the lower end of pin frame protects extraction pipe not oppressed lower than the lower end of negative pressure shell, and the lower end of pin frame is fixed on the vehicle frame of automobile;

Connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust;

Be provided with in negative pressure shell sealing plate, restriction cap, cross airtight shrouding, answer magnetic piston, fixed plug, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; Answering the upper end surface of the protrusion platform of part below the consent in magnetic piston, airtight shrouding was installed, being provided with fixed plug in consent and limited miles of relative movement when airtight shrouding moves up, the fixing employing shrink-fit of fixed plug in consent is fixed or the two ends of the jump-ring slot internal fixtion fixed plug that jump ring is stuck in consent are fixed or adopted to thread fit; Cross can the moving up and down above of annular sealing surface that airtight shrouding is arranged on the upper end of the protrusion platform answered in magnetic piston, cross when the trim below airtight shrouding coordinates with annular sealing surface and seals and can close the passage bled answered on magnetic piston, cross when the trim below airtight shrouding separates with annular sealing surface and can open the passage bled answered on magnetic piston; Being provided with sealing plate in sealing gap in the sealing neck of the lower end in negative pressure shell, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and when restriction cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, restriction cap has gap in hole with holding; The air inlet that sealing plate can seal with the sealing gap cooperation in the sealing neck of the lower end of negative pressure shell or open the pumping chamber entered in negative pressure shell is led to; When answering magnetic upstroke, the lumen portion answering the negative pressure shell of part below 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 crowded air cavity; Being fixed with extraction pipe at the aspirating hole place of the lower end of negative pressure shell, the other end of extraction pipe is connected with vacuum tank, and the interior hole of extraction pipe communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve;

Described protecting crust is the hollow cavity of annular, and hollow cavity has string holes, is provided with in Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell the parts installed in hollow cavity, and string holes is the hole allowing insulated line pass; The inner of the annular housing of hollow cavity is fixed on negative pressure shell;

For the ease of the processing of protecting crust be convenient to accessory to load in protecting crust, described protecting crust is the molectron 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 cylindrical surface of cylindrical cavity is smooth curved surface; Upper end on the medullary ray of inner chamber has that centre hole passes negative pressure shell, lower end has aspirating hole to pass negative pressure shell; There is sealing neck protruding upward at the middle part of the lower end in negative pressure shell, the upper section of the inside of sealing neck is sealing gap, below part is aspirating hole, the time in of not installing sealing plate in sealing gap, sealing gap communicates with aspirating hole, sealing gap and sealing plate below one side coordinate;

Described air outlet valve comprises hollow valve body and sealing cone, and hollow valve body is open tube, and internal taper hole is in the middle part of the inner chamber of open tube or middle bottom, and the internal diameter of the upper section of the internal taper hole in open tube is greatly, the internal diameter of part is little below; The lower end of hollow valve body has back airtight end-blocking, the lower surface returning airtight end-blocking is internal taper hole in lower end, the upper surface of hollow valve body, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with sealing cone on the inner conical surface of internal taper hole; Described internal taper hole is the circular hole having tapering, and the face of circular hole is inner conical surface; The little end of internal taper hole under, hold upper greatly, inner conical surface and the outer cone match of sealing cone, can seal inner conical surface under the effect of the gravity of sealing cone self, can open, by suction, the passage that inner conical surface seals with sealing cone sealing when cone has above suction; Sealing cone air pressure above is more big, and sealing cone is more good with the gluing, sealing effect of inner conical surface; Inner conical surface can be opened when the interior hole of end under hollow valve body enters the air of pressure and form passage with sealing the sealing bored;

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

Described answering magnetic piston to be cylindrical iron core, the periphery of cylindrical iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with wear ring; Described periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell; The cylindrical central portion position of described cylindrical iron core has to be run through hole and holds hole, hold hole and run through the lower surface of iron core, run through hole and run through above iron core, hold hole running through below hole, hold hole and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole; Upper surface, below part that the described upper section running through hole runs through iron core run through the top in the accommodation hole of part below iron core, running through part below hole is ventilating pit, the upper section running through hole is consent, the protrusion platform of annular protruding upward is had in the bottom of consent, the interior hole protruding platform part is the upper section of ventilating pit, protruding the groove having annular between the outside of platform and the consent protruding platform part, the groove of annular enters crowded air cavity after disperseing the passing hole through crossing on airtight shrouding after the air buffer memory entered from ventilating pit; The upper surface of described protrusion platform is smooth annular sealing surface; Lower end at cylindrical iron core has the accommodation hole upwards caved in, the circular hole that described accommodation hole communicates with ventilating pit, upwards caves in, when answering the lower end in magnetic piston arrives negative pressure shell, hold hole and for holding restriction cap and restriction cap is not collided with answering magnetic piston; It is ventilating pit on accommodation hole, it is consent above ventilating pit; Described ventilating pit is the hole excessively allowing air pass through, and below annular sealing surface, communicates with accommodation hole and consent; Described consent is the hole of installation and fixing fixed plug, protruding above platform and protrude outside platform, communicates with accommodation hole and crowded air cavity and determines;

Described fixed plug be restriction be arranged on the distance that the airtight shrouding of mistake of the protrusion platform upper end answered in magnetic piston moves up, centre have the stifled head of ventilating pit, described stifled head to be that centre has the cylinder of through hole or annular collar or jump ring circle; When fixed plug is the cylinder that there is through hole centre, the fixing employing shrink-fit in consent is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent are fixed or adopted to thread fit; When fixed plug is annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent are fixed or adopted to the fixing employing shrink-fit in consent; When fixed plug is jump ring circle, directly jump ring is stuck in consent;

Described annular sealing surface is the trim of the flat smooth of annular, and annular sealing surface coordinates at the trim answering the upper end of the protrusion platform in magnetic piston with airtight shrouding excessively;

The airtight shrouding of described mistake is dull and stereotyped, and the part that the middle portion of dull and stereotyped one side below coordinates with annular sealing surface is trim, the trim of flat board coordinate with annular sealing surface beyond part on have passing hole, passing hole is used for allowing gas pass through;

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is the outer conical surface having tapering; Press down and seal inner conical surface by the gravity of sealing cone self when the outer conical surface of sealing cone and inner conical surface seal;

Described sealing gap is the hole of shallow cylindrical or shallow cone cylindricality, one-level rank are formed with the upper surface of sealing neck above aspirating hole in the sealing neck of the lower end in negative pressure shell, the face, hole in the hole of shallow cylindrical hole or shallow cone cylindricality be hold sealing plate inner headed face or internal conical surface, the bottom surface of sealing gap be below have the annular sealing surface in hole;

Described sealing plate is circular flat board, and below dull and stereotyped, one side is trim, and trim coordinates with the sealing gap in the sealing neck of the lower end of negative pressure shell;

Described restriction cap is cap cover, and the crown part of cap cover has the air passing hole allowing gas pass through, and the hatband part of cap cover is fixed on the distance that can limit in sealing neck on sealing neck and move on the sealing plate installed;

Described Magnetic control device is the controller that control upper magnet and lower magnet produce electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after control the time of upper magnet and lower magnet generation electromagnetic field and the time length of generation electromagnetic field and producing electromagnetic field;

Described upper magnet and lower magnet are the solenoids that can produce electromagnetic field;

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

Described aspirating hole be air enter the inner chamber of negative pressure shell through air passing hole, sealing neck position, center below part; The time in of not installing sealing plate in sealing gap, the sealing gap on the sealing neck of the lower end of protecting crust communicates with aspirating hole;

The air extracted in vacuum tank is laid in pumping chamber and is waited to press, and extrudes air and produce air pressure and discharge outside negative pressure shell in crowded air cavity; In crowded air cavity during draws air, pumping chamber communicates with crowded air cavity; In crowded air cavity during exhausted air, pumping chamber is sealed by sealing cone and the internal taper hole answered in magnetic piston and disconnects the passage bled entering crowded air cavity;

Described vacuumizes the braking energy-conservation pump of power-assisted in the process of draws air, controls bleed-off passage and go out in the one-way check valve of air passageways do not have return spring; When pumping chamber draws air, the suction answering magnetic upstroke to produce is opened sealing plate and is opened, with the sealing of the sealing gap in the sealing neck of the lower end in negative pressure shell, the passage bled, and the airtight shrouding of mistake being arranged on the sealing neck upper end answered in magnetic piston automatically declines go back to position under the effect of self gravitation and closes the passage bled entering in crowded air cavity and seal; When crowded air cavity draws air, the passage being arranged on the discharge that the cone of the sealing on the internal taper hole of air outlet valve utilizes the gravity of self to make sealing cone automatically decline go back to position and close on air outlet valve seals, and answers magnetic descent of piston and makes generation pressure promotion pumping chamber in be arranged on the airtight shrouding of mistake of the protrusion platform upper end answered in magnetic piston to go then open the passage bled entering in crowded air cavity; When crowded air cavity exhausted air, under the effect going out atmospheric pressure, promote row on the cone of the sealing on the internal taper hole of air outlet valve and open the passage given vent to anger of air outlet valve, answer magnetic descent of piston and make to produce pumping chamber in pressure and promote and be arranged on the airtight shrouding of mistake of the protrusion platform upper end answered in magnetic piston to go then open the passage bled entering in crowded air cavity;

During use, the power-on circuit of insulated line and Magnetic control device connected by teacher of the opening position key switch, the power-on circuit generation electromagnetic field that upper magnet and lower magnet are connected in circulation connected by Magnetic control device, when upper magnet produces electromagnetic field, the magnetism of electromagnetic field pulls answers magnetic piston to move up, when answering magnetic piston to start upper row, the airtight shrouding of mistake being arranged on the protrusion platform upper end answered in magnetic piston is descending and close the passage bled that air enters crowded air cavity under the effect of the gravity of self; When answering magnetic upstroke, answer the upper row of magnetic piston and make the air in crowded air cavity create pressure, the internal taper hole having the air of pressure to enter in air outlet valve from the interior hole of the sealed end of the lower end of air outlet valve promotes the seal channel sealing the upper row of cone and open air outlet valve, and the air in crowded air cavity is entered in air after air outlet valve; Answer magnetic piston when upper row, magnetic piston is answered also to make to create in pumping chamber vacuum suction, vacuum suction is inhaled dynamic seal plate and sealing plate is separated with the trim of sealing gap, air in vacuum tank enters into sealing gap from extraction pipe through aspirating hole, then the air passing hole on restriction cap enters and answers in the pumping chamber below magnetic piston in negative pressure shell;

When answering magnetic upstroke to move into place, connecting the power-on circuit of lower magnet after the power-on circuit of Magnetic control device disconnection upper magnet, the electromagnetic field of upper magnet disappears, and the electromagnetic field that lower magnet produces pulls answers magnetic descent of piston; When answering magnetic piston to start descending, descending time position under the effect of the negative pressure of vacuum of the sealing plate of the lower end of negative pressure shell being arranged in the sealing neck of lower end in negative pressure shell under the effect of self gravitation and in vacuum tank and close the bleed-off passage entering pumping chamber, sealing cone in air outlet valve under the effect of the gravity of self descending time position and seal the inner conical surface of air outlet valve, cut off the outlet passageway of crowded air cavity; Answer magnetic piston when descending, answer magnetic piston to promote the air entering in pumping chamber and make air produce internal pressure, have the air of pressure to continue row from answering the ventilating pit in magnetic piston to enter into answer the upper end of the protrusion platform in magnetic piston upwards to wash open after annular sealing surface made airtight shrouding be shifted with crossing the sealing of airtight shrouding, through enter in crowded air cavity after the ventilating pit in fixed plug again after passing hole on airtight shrouding;

2. according to claim 1 vacuumize the braking energy-conservation pump of power-assisted, it is characterised in that: in order to ensure that protecting crust can protect the coil of upper magnet and lower magnet not damaged and keep the shape of protecting crust, in the inner chamber of protecting crust, manufacture the skeleton having support.

3. according to claim 1 vacuumizing brakes the energy-conservation pump of power-assisted, it is characterized in that: in order to enable to answer magnetic piston to promote the air in the pumping chamber in negative pressure shell to enter in crowded air cavity, the electromagnetic field adopting lower magnet to produce is answered magnetic piston to move down as pulling and the air in pumping chamber is squeezed the power into crowded air cavity.

4. according to claim 1 vacuumizing brakes the energy-conservation pump of power-assisted, it is characterised in that: the teacher position key switch that employing is connected with insulated line carrys out connection and the cut-out of the junction circuit of controlling magnetic field controller.

5. according to claim 1 vacuumizing brakes the energy-conservation pump of power-assisted, it is characterized in that: described vacuumize the compact construction of the braking energy-conservation pump of power-assisted, vibrate little, utilization rate of electrical height, powerful, the electromobile and the internal-combustion engines vehicle that are applicable to vacuum boosting hydraulic brake are installed and used, and also can produce vacuum normally and realize vacuum power-assisted after oil engine shuts down; The market outlook of industrialization are good, commercial value height, manufacture and use all very convenient.

6. one kind vacuumizes the manufacture method of the braking energy-conservation pump of power-assisted, it is characterised in that: when manufacturing, protecting crust creates the hollow cavity of annular, and hollow cavity manufactures string holes, and string holes creates the hole allowing insulated line pass; Being provided with in Magnetic control device, upper magnet, lower magnet and negative pressure shell and negative pressure shell the parts 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, protecting crust is when manufacturing, and after protecting crust is divided into two portions manufacture from annular position, recombinant is together;

The inner chamber of negative pressure shell creates cylindrical cavity, and the cylinder surface of cylindrical cavity creates smooth curved surface; Upper end on the medullary ray of inner chamber manufactures has the centre hole through negative pressure shell, lower end manufacture to have aspirating hole to pass negative pressure shell; The middle part of the lower end in negative pressure shell manufactures sealing neck protruding upward, and the upper section of the inside of sealing neck creates sealing gap, below part and creates aspirating hole, and sealing gap communicates with aspirating hole, sealing gap and sealing plate below simultaneously coordinate;

Air outlet valve creates hollow valve body and sealing cone two portions, hollow valve body creates open tube, internal taper hole is manufactured on the middle part of the inner chamber of open tube or middle bottom, and the internal diameter that the upper section of the internal taper hole in open tube the manufactures internal diameter that part manufactures greatly, below is little; The lower end manufacture of hollow valve body has back airtight end-blocking, the lower surface returning airtight end-blocking is manufactured on the lower end of hollow valve body, upper surface creates internal taper hole, the big end of internal taper hole communicates with the upper end of air outlet valve, little end communicates with the lower end of air outlet valve, is provided with sealing cone on the inner conical surface of internal taper hole; Described sealing cone creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the outer conical surface of tapering; Press down and seal inner conical surface by the gravity of sealing cone self when the outer conical surface of sealing cone and inner conical surface seal; Described internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The little end of internal taper hole under, hold upper greatly, inner conical surface can be sealed under the effect of the gravity of sealing cone self, can open, by suction, the passage that inner conical surface seals with sealing cone when cone has above suction sealing; Sealing cone air pressure above is more big, and sealing cone is more good with the gluing, sealing effect of inner conical surface; Inner conical surface can be opened when the interior hole of end under hollow valve body enters the air of pressure and form passage with sealing the sealing bored;

For the ease of the processing of negative pressure shell be convenient to accessory to load in negative pressure shell, described negative pressure shell create segmental machining manufacture after molectron; The upper end of the circular cylindrical cavity part in negative pressure shell is divided into two sections of manufactures, the upper section of segmentation place creates pump cover, below part and creates the main body of negative pressure shell, centre hole is manufactured on pump cover, aspirating hole is manufactured on the middle part of the lower end of main body 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 main body that below segmentation place, part creates pump cover, upper section creates negative pressure shell, aspirating hole is manufactured on the middle part of pump cover, centre hole 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;

Answering magnetic piston to create cylindrical iron core, the periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with wear ring, described periphery coordinate with the inner chamber of negative pressure shell can the inner chamber of sealed negative-pressure shell, and can slide in the inner chamber of negative pressure shell, the cylindrical central portion position of described cylindrical iron core manufactures to have to be run through hole and holds hole, holding the lower surface that iron core is run through in hole, run through hole and run through above iron core, accommodation hole is manufactured on to be run through below hole, hold hole and run through hole and pumping chamber communicates, run through hole and communicate with crowded air cavity and accommodation hole, the described upper surface run through hole and create upper section and run through iron core, part runs through the top in the accommodation hole of part below iron core below, run through part below hole and create ventilating pit, the upper section running through hole creates consent, the protrusion platform having annular protruding upward is manufactured in the bottom of consent, the interior hole protruding platform part manufactures the upper section of ventilating pit, protruding the groove manufacturing between the outside of platform and the consent protruding platform part and having annular, the groove of annular enters crowded air cavity after disperseing the passing hole through crossing on airtight shrouding after the air buffer memory entered from ventilating pit, the upper surface of described protrusion platform creates smooth annular sealing surface, lower end manufacture at cylindrical iron core has the accommodation hole upwards caved in, described accommodation hole creates circular hole that communicate, that upwards cave in ventilating pit, when answering the lower end in magnetic piston arrives negative pressure shell, hold hole and can hold restriction cap and restriction cap is not collided with answering magnetic piston, manufacturing on accommodation hole and have ventilating pit, manufacturing above of ventilating pit has consent, described ventilating pit creates the hole excessively allowing air pass through, and is manufactured on below annular sealing surface, communicates with pumping chamber and consent, described consent creates installation and the hole of fixing fixed plug, be manufactured on protrude platform above and protrude outside platform, communicate with accommodation hole and crowded air cavity fixed,

Fixed plug creates the stifled head that there is ventilating pit centre, and described stifled head creates centre the cylinder of through hole or annular collar or jump ring circle, it is possible to restriction is arranged on the distance that the airtight shrouding of mistake of the protrusion platform upper end answered in magnetic piston moves up; When fixed plug creates the cylinder that there is through hole centre, the fixing employing shrink-fit in consent is fixed or the two ends of the jump-ring slot internal fixtion cylinder that jump ring is stuck in consent are fixed or adopted to thread fit; When fixed plug creates annular collar, the two ends of the jump-ring slot internal fixtion annular collar that jump ring is stuck in consent are fixed or adopted to the fixing employing shrink-fit in consent; When fixed plug creates jump ring circle, directly jump ring is stuck in consent;

Described annular sealing surface creates the trim of the flat smooth of annular, and the upper end being manufactured on the protrusion platform answered in magnetic piston coordinates with the trim crossing airtight shrouding;

The airtight shrouding of described mistake creates flat board, the part that below dull and stereotyped, the middle portion of one side coordinates with annular sealing surface creates trim, dull and stereotyped trim coordinate with annular sealing surface beyond part on manufacture have passing hole, passing hole is used for allowing gas pass through;

Sealing gap creates the hole of shallow cylindrical or shallow cone cylindricality, one-level rank are formed with the upper surface of sealing neck above aspirating hole in the sealing neck of the lower end being manufactured in negative pressure shell, the face, hole in the hole of shallow cylindrical hole or shallow cone cylindricality create hold sealing plate inner headed face or internal conical surface, the bottom surface of sealing gap create below have the annular sealing surface in hole;

Sealing plate creates circular flat board, and below dull and stereotyped, one side creates trim, and trim coordinates with the sealing gap in the sealing neck of the lower end of negative pressure shell;

Restriction cap creates cap cover, and the crown part of cap cover manufactures the air passing hole allowing gas pass through, and the hatband part of cap cover is fixed on the distance that can limit in sealing neck on sealing neck and move on the sealing plate installed;

Magnetic control device creates control upper magnet and lower magnet produces the controller of electromagnetic field, control upper magnet and lower magnet produce time of electromagnetic field and after producing the time length of electromagnetic field and producing electromagnetic field every time to the interval time producing electromagnetic field for the second time again;

Upper magnet and lower magnet create the solenoid that can produce electromagnetic field;

Extraction pipe creates the open tube of aspirating hole and the vacuum tank connecting negative pressure shell;

Aspirating hole create air enter negative pressure shell inner chamber through hole, be manufactured on sealing neck position, center below part; The time in of not installing sealing plate in sealing gap, the sealing gap on the sealing neck of the lower end of protecting crust communicates with aspirating hole;

In order to ensure that protecting crust can protect the coil of upper magnet and lower magnet not damaged and keep the shape of protecting crust, in the inner chamber of protecting crust, manufacture the skeleton having support;

In order to enable to answer magnetic piston to promote the air in the pumping chamber in negative pressure shell to enter in crowded air cavity, the electromagnetic field adopting lower magnet to produce is answered magnetic piston to move down as pulling and the air in pumping chamber is squeezed the power into crowded air cavity;

Being provided with upper magnet and lower magnet in protecting crust, upper magnet is fixed on the upper section outside negative pressure shell, and lower magnet is fixed on part below outside negative pressure shell, and protecting crust is fixed on the outside protection upper magnet of negative pressure shell and the coil of lower magnet; Below the outside of protecting crust, one side is fixed with pin frame, and the lower end of pin frame protects extraction pipe not oppressed lower than the lower end of negative pressure shell, and the lower end of pin frame is fixed on the vehicle frame of automobile; Connection upper magnet and the circuit of lower magnet are connected with the circuit of Magnetic control device, and the circuit of Magnetic control device is connected with insulated line, and Magnetic control device is arranged in protecting crust; Be provided with in negative pressure shell sealing plate, cross airtight shrouding, limit cap, answer magnetic piston, fixed plug, answering magnetic piston to be arranged in the inner chamber of negative pressure shell can slide up and down; Answering the upper end surface of the protrusion platform of part below the consent in magnetic piston, airtight shrouding was installed, being provided with fixed plug in consent and limited miles of relative movement when airtight shrouding moves up, the fixing employing shrink-fit of fixed plug in consent is fixed or the two ends of the jump-ring slot internal fixtion fixed plug that jump ring is stuck in consent are fixed or adopted to thread fit; Cross can the moving up and down above of annular sealing surface that airtight shrouding is arranged on the upper end of the protrusion platform answered in magnetic piston, cross when the trim below airtight shrouding coordinates with annular sealing surface and seals and can close the passage bled answered on magnetic piston, cross when the trim below airtight shrouding separates with annular sealing surface and can open the passage bled answered on magnetic piston; Being provided with sealing plate in sealing gap in the sealing neck of the lower end in negative pressure shell, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and when restriction cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, restriction cap has gap in hole with holding; Sealing plate can seal with the sealing gap cooperation in the sealing neck of the lower end of negative pressure shell or open the passage bled of the pumping chamber entered in negative pressure shell; When answering magnetic upstroke, the lumen portion answering the negative pressure shell of part below 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 crowded air cavity; Being fixed with extraction pipe at the aspirating hole place of the lower end of negative pressure shell, the other end of extraction pipe is connected with vacuum tank, and the interior hole of extraction pipe communicates with aspirating hole and vacuum tank; Being provided with air outlet valve in the upper end of negative pressure shell, below air outlet valve, part is fixed in the centre hole of overlying one end of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve.