CN105604910A - Braking assisting type energy-efficient vacuumizing equipment - Google Patents

Abstract

The invention relates to braking assisting type energy-efficient vacuumizing equipment and belongs to the field of vacuum assisting of hydraulic braking of automobiles. According to the equipment, an electromagnetic coil is arranged outside a negative pressure shell, a protecting shell is fixed on the negative pressure shell, and an exhausting pipe is fixed at the lower end of the negative pressure shell; an oil outlet valve is fixed in a central hole of the negative pressure shell, an iron core spring and a magnetism induced piston are arranged in the negative pressure shell, the iron core spring presses on the magnetism induced piston, an exhausting channel of an exhausting cavity is sealed by a sealing plate, and an exhausting channel of an air extrusion cavity is sealed by a sealing ball or a sealing cone; and a fixed plug is fixed in a plug hole in the magnetism induced piston, the sealing ball or the sealing cone is mounted in an inner cone hole, and an accommodating hole is formed in the lower end of the magnetism induced piston. The braking assisting type energy-efficient vacuumizing equipment has the characteristics that the structure is compact, the vibration is small, the utilization rate of electrical energy is high, and the power is strong; the braking assisting type energy-efficient vacuumizing equipment is suitable for being mounted and used in vacuum-assisting hydraulically braked electric vehicles and internal combustion engine vehicles and is capable of normally generating vacuum and realizing vacuum assisting after an internal combustion engine is stopped; and the braking assisting type energy-efficient vacuumizing equipment has a good market prospect and is high in commercial value and very convenient to manufacture and use.

Description

Extracting vacuum brake boost energy-saving equipment

Technical field

The present invention relates to the extracting vacuum brake boost energy-saving equipment that a kind of vacuum booster for the master cylinder to automobile produces vacuum power.

Background technology

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

Summary of the invention

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

For achieving the above object, extracting vacuum brake boost energy-saving equipment of the present invention mainly comprises protecting crust, solenoid, negative pressure shell, aspirating hole, sealing plate, ball sealer or sealing cone, restriction cap, iron core spring, answers magnetic piston, fixed plug, internal taper hole, passage, air outlet valve, exhaust tube, field controller, electronic remote controller;

Or described extracting vacuum brake boost energy-saving equipment mainly comprises protecting crust, solenoid, negative pressure shell, aspirating hole, sealing plate, ball sealer or sealing cone, restriction cap, iron core spring, answers magnetic piston, fixed plug, internal taper hole, passage, air outlet valve, exhaust tube, field controller.

Solenoid is installed in protecting crust, and solenoid is fixed on the upper part of negative pressure shell outside, and protecting crust is fixed on the outside protection solenoid on the top of negative pressure shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest protects exhaust tube not oppressed lower than negative pressure shell lower end, and the lower end of foot rest is fixed on the vehicle frame of automobile.

The circuit that connects solenoid is connected with field controller, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust; Or the circuit that connects solenoid is connected with field controller, the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust.

Sealing plate, restriction cap, iron core spring are installed in negative pressure shell, answer magnetic piston, ball sealer or seal cone, fixed plug, iron core spring fitting is at the upper part of the inner chamber of negative pressure shell, answer magnetic piston to be arranged on the lower part of the inner chamber of negative pressure shell, upper end, lower end that the top, upper end of iron core spring is pressed in the inner chamber of negative pressure shell are pressed in the upper end of answering magnetic piston, answer magnetic piston can slide up and down in the inner chamber of negative pressure shell; Ball sealer or sealing cone are installed in the internal taper hole below the consent of answering in magnetic piston, ball sealer or sealing cone can move up and down in internal taper hole, fixed plug is installed in consent limits ball sealer or seal cone the displacement while moving up in internal taper hole, the fixing employing interference fit of fixed plug in consent fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixing fixed plug in the jump-ring slot in consent; The male cone (strobilus masculinus) of the sphere of ball sealer or sealing cone coordinates with the inner conical surface of internal taper hole and can close the passage of bleeding of answering on magnetic piston while sealing, the sphere of ball sealer or seal when the male cone (strobilus masculinus) of boring separates with the inner conical surface of internal taper hole and can open the passage of bleeding of answering on magnetic piston; In closed hole in the sealing neck of the lower end in negative pressure shell, sealing plate is installed, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and restriction cap is in the accommodation hole of answering the lower end of magnetic piston upwards to cave in time, and restriction cap and accommodation hole are gapped; Sealing plate coordinates with the closed hole of sealing in neck and can seal or open the passage of bleeding entering in negative pressure shell; While answering magnetic piston stroking upward, answering the inner chamber part of the negative pressure shell of magnetic piston lower part is pumping chamber; While answering magnetic descent of piston, the inner chamber part of answering the negative pressure shell of magnetic piston upper part is squish chamber. Aspirating hole place in the lower end of negative pressure shell is fixed with exhaust tube, and the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with aspirating hole and vacuum tank; Upper end at negative pressure shell is provided with air outlet valve, and the lower part of air outlet valve is fixed in the centre bore of one end above of negative pressure shell, 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 a type or the material of several types in metal, plastics, nylon, fiberglass; The material of hollow valve body and negative pressure shell adopts a type or the material of several types in metal, plastics, nylon and fiberglass; The material of ball sealer or sealing cone adopts a type or the material of several types in metal, plastics, nylon and rubber; The material of sealing plate adopts a type or the material of several types in metal, plastics, nylon and fiberglass; The material of answering magnetic piston is the material of the hard to bear magnetic field suction of energy; The material of fixed plug is a type or the material of several types in metal, plastics, nylon, fiberglass, rubber; The material that iron core spring adopts is a type or the material of two types in metal and rubber, adopts when elastomeric material, and iron core spring is the spring of hollow pipe-type, utilizes the elasticity of rubber and shrinkage to realize the function of spring.

Described protecting crust is the hollow cavity of annular, wired hole on hollow cavity, the parts of installing in field controller, solenoid and negative pressure shell and negative pressure shell are installed in hollow cavity, or, the parts of installing in electronic remote controller, field controller, solenoid and negative pressure shell and negative pressure shell are installed in hollow cavity; Line hole is the hole that allows insulated electric conductor 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 pack in protecting crust, described protecting crust is the assembly after segmentation, and after the annular position of protecting crust is divided into two parts, recombinant together.

The inner chamber of described negative pressure shell is circular cylindrical cavity, and the face of cylinder of columniform cavity is smooth curved surface; Upper end on the center line of inner chamber has centre bore to pass negative pressure shell, lower end has aspirating hole 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 part of the inside of sealing neck is that closed hole, lower part are aspirating holes, sealing plate is not installed in closed hole time, closed hole communicates with aspirating hole, and closed hole coordinates with one side below sealing plate; Described closed hole is the hole of shallow cylindrical or shallow cone cylindricality, above aspirating hole in the sealing neck of the lower end in negative pressure shell, form one-level rank with the upper surface of sealing neck, the hole face in the hole of shallow columniform hole or shallow cone cylindricality is inner headed face or the internal conical surface that holds sealing plate, and the bottom surface of closed hole is porose below annular sealing surface.

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

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

The described magnetic piston of answering is columniform iron core, and the periphery of columniform iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with sealing ring; Described periphery coordinates inner chamber that can sealed negative-pressure shell with the inner chamber of negative pressure shell, and can in the inner chamber of negative pressure shell, slide. There are through hole and accommodation hole in the cylinder centre of described columniform iron core, accommodation hole runs through the lower surface of iron core, through hole run through iron core above, accommodation hole is below through hole, accommodation hole communicates with through hole and pumping chamber, and through hole communicates with squish chamber and accommodation hole. Upper surface, the lower part that the upper part of described through hole runs through iron core runs through the top of the accommodation hole of iron core lower part, the lower part of through hole is passage, the upper part of through hole is consent, and the mid portion between passage and consent is internal taper hole. The accommodation hole of depression on oriented in the lower end of columniform iron core, the circular hole that described accommodation hole communicates with passage, upwards caves in, in the time of the lower end of answering in magnetic piston arrives negative pressure shell, accommodation hole is used for holding restriction cap and makes to limit cap and do not bump with answering magnetic piston. On accommodation hole, being passage, is internal taper hole above passage, above internal taper hole, is consent; Described passage is the via hole that allows air pass through, and communicates with accommodation hole and consent; Described consent is the hole of installation and fixing fixed plug, communicates with accommodation hole and squish chamber.

Described fixed plug be restriction be arranged on distance that ball sealer in the internal taper hole of answering in magnetic piston or sealing cone move up, there is the plug of passage centre, described plug has cylinder or annular ring or the jump ring circle of through hole in the middle of being; When fixed plug has the cylinder of through hole in the middle of being, the fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixed cylinder in the jump-ring slot in consent; When fixed plug is annular ring, the fixing employing interference fit in consent is fixed or is adopted jump ring to be stuck in the two ends of stationary annular circle in the jump-ring slot in consent; When fixed plug is jump ring circle, directly jump ring is stuck in consent.

Described internal taper hole is the circular hole that has tapering, and the face of circular hole is inner conical surface; The small end of internal taper hole under, hold upper greatly, respectively in the hollow valve body of air outlet valve and answer in the through hole of magnetic piston; Inner conical surface coordinates with the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone, under the effect of the gravity of ball sealer or sealing cone self, can seal inner conical surface, in the time that ball sealer or sealing cone have suction above, can open inner conical surface by suction and bore with ball sealer or sealing the passage sealing; Ball sealer or sealing cone air pressure are above larger, and ball sealer or sealing cone are better with the gluing, sealing effect of inner conical surface.

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is the male cone (strobilus masculinus) that has tapering; The male cone (strobilus masculinus) of sealing cone is bored self during with inner conical surface sealing gravity by sealing presses down and seals inner conical surface.

Described ball sealer is spherosome or oval ball, and the surface of spherosome or oval ball is sealing surface, and sealing surface is smooth sphere; When the sealing of the sphere of ball sealer and inner conical surface, press down by the gravity of ball sealer and seal inner conical surface.

Described sealing plate is circular flat board, and dull and stereotyped one side is below sealing surface, and sealing surface is for coordinating with the closed hole sealing in neck.

Described restriction cap is calotte, and the crown part of calotte has the air passing hole that allows gas pass through, and the hatband partial fixing of calotte can limit the distance of moving on sealing plate on sealing neck.

Described field controller is to control the controller that generates an electromagnetic field of solenoid, controlling time and the time length generating an electromagnetic field that electromagnetic field produces and generate an electromagnetic field at every turn after to the interval time generating an electromagnetic field again for the second time.

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

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

Described aspirating hole be the air inner chamber that enters negative pressure shell through air passing hole, at the lower part in centre of sealing neck, above the upper end of the aspirating hole in sealing neck, have closed hole, sealing plate is not installed in closed hole time, closed hole communicates with aspirating hole.

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

Described extracting vacuum brake boost energy-saving equipment is in the process of exhaust, and controlling bleed-off passage and going out in the one-way check valve of air duct does not have return spring; In the time of pumping chamber exhaust, the suction of answering magnetic piston stroking upward to produce is opened the sealing of sealing plate and closed hole and is opened the passage of bleeding, and is arranged on ball sealer on the internal taper hole of answering in magnetic piston or sealing cone automatic decline return and close the passage of bleeding entering in squish chamber and seal under the effect of self gravitation; In the time of the exhaust of squish chamber, be arranged on ball sealer on the internal taper hole of air outlet valve or sealing cone and utilize the gravity of self to make ball sealer or the sealing automatic decline return of cone and the passage of closing the discharge on air outlet valve seals, answer magnetic descent of piston and make to produce pumping chamber in that pressure promotes ball sealer or the up passage of bleeding entering in squish chamber of then opening is bored in sealing; While discharging air in squish chamber, under the effect that goes out atmospheric pressure, promote ball sealer on the internal taper hole of air outlet valve or sealing cone up and open the passage of giving vent to anger of air outlet valve, be arranged on ball sealer on the internal taper hole of answering in magnetic piston or sealing cone and utilize the gravity of self to make ball sealer or the sealing automatic decline return of cone and close the passage of bleeding of answering on magnetic piston and seal.

In order to ensure that extracting vacuum brake boost energy-saving equipment can normally work, adopt connection and the cut-out of the connecting circuit of the teacher position key switch controlling magnetic field controller connecting with insulated electric conductor; Or, connection and the cut-out of the teacher position key switch that employing and insulated electric conductor connect and the connecting circuit of electronic remote controller co-controlling field controller.

Keep the shape of protecting crust in order to ensure protecting crust can protect solenoid not to be damaged, in the inner chamber of protecting crust, manufacture the skeleton that has support.

For the air of answering magnetic piston can promote in the pumping chamber in negative pressure shell is entered in squish chamber, adopt iron core spring as the power that promotes to answer magnetic descent of piston.

When use, teacher of the opening position key switch is directly connected the power-on circuit of insulated electric conductor and field controller, or, teacher of the opening position key is connected the starting button of pressing remote controller switch after the power-on circuit of electronic remote controller, and electronic signal receiver receives the circuit of connecting electronic remote controller and field controller after initiating signal; The power-on circuit that field controller is connected solenoid generates an electromagnetic field, the attraction that electromagnetic field produces pulls the pressure of answering magnetic piston to overcome iron core spring to move up, answer magnetic piston to start when up, be arranged on ball sealer on the internal taper hole of answering in magnetic piston or sealing cone descending return and the passage of bleeding of having closed air and enter squish chamber under the effect of the gravity of self; In the time answering magnetic piston stroking upward, answer the up of magnetic piston and make the air in squish chamber produce pressure, the air that has pressure enters into from the endoporus of the sealed end of air outlet valve lower end that internal taper hole in air outlet valve promotes ball sealer or sealing cone is up and open the seal channel of air outlet valve, and the air in squish chamber is entered in atmosphere after air outlet valve; Answer magnetic piston when up, answer magnetic piston also to make to have produced in pumping chamber pull of vacuum, pull of vacuum is inhaled movable sealing plate separates sealing plate and the sealing surface of closed hole, air in vacuum tank enters into closed hole from exhaust tube through aspirating hole, then enters answering in the pumping chamber below magnetic piston in negative pressure shell through the air passing hole on restriction cap.

Answer magnetic piston stroking upward to move to the compression stage of compression iron core spring when spacing, the power-on circuit of field controller cutoff solenoid, magnetic field diminishes, answers magnetic piston descending under the promotion of iron core spring; Answer magnetic piston to start when descending, be arranged on descending return under the effect of sealing plate in the closed hole of lower end in the negative pressure shell negative pressure of vacuum under the effect of self gravitation and in vacuum tank and close the bleed-off passage that enters pumping chamber, ball sealer in air outlet valve or sealing cone descending return and seal the inner conical surface of air outlet valve under the effect of the gravity of self, has cut off the outlet passageway in squish chamber; Answer magnetic piston when descending, answer magnetic piston to promote to enter the air in pumping chamber and make air produce internal pressure, the air that has pressure from answer passage in magnetic piston enter into the internal taper hole of answering in magnetic piston upwards wash open with the ball sealer of internal taper hole sealing or the displacement of sealing cone after continue uply, after the passage in fixed plug, enter in squish chamber.

Answer magnetic piston under the promotion of iron core spring when descending putting in place, be arranged on ball sealer on the inner conical surface of answering in magnetic piston or sealing cone is descending under the effect of the gravity of self inner conical surface is shut and made air not return to pumping chamber, now, the power-on circuit that field controller is connected again solenoid again generates an electromagnetic field and makes to answer magnetic piston stroking upward; So connection of circulation and cut off circuit, generates an electromagnetic field solenoid to pull to answer magnetic piston stroking upward and allow iron core spring promote to answer magnetic descent of piston, constantly the air in vacuum tank is extracted out and is entered in atmosphere.

A manufacture method for extracting vacuum brake boost energy-saving equipment, is characterized in that:

During fabrication, protecting crust adopts a type or the material manufacture of several types in metal, plastics, nylon, fiberglass; Hollow valve body and negative pressure shell adopt a type or the material manufacture of several types in metal, plastics, nylon and fiberglass; Ball sealer or sealing cone adopt a type or the material manufacture of several types in metal, plastics, nylon and rubber; Sealing plate adopts a type or the material manufacture of several types in metal, plastics, nylon and fiberglass; Answer magnetic piston to adopt the material manufacture of the hard to bear magnetic field suction of energy; Fixed plug adopts a type or the material manufacture of several types in metal, plastics, nylon, fiberglass, rubber; Iron core spring adopts a type or the material manufacture of two types in metal and rubber, and while adopting elastomeric material to manufacture, iron core spring creates hollow tubular type spring, utilizes the elasticity of rubber and shrinkage to realize the function of spring.

Protecting crust creates the hollow cavity of annular, manufactures wired hole on hollow cavity, and line hole creates the hole that allows insulated electric conductor pass; The parts of installing in field controller, solenoid and negative pressure shell and negative pressure shell are installed in hollow cavity, or, the parts of installing in electronic remote controller, field controller, solenoid and negative pressure shell and negative pressure shell are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on negative pressure shell.

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

The inner chamber of negative pressure shell creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; The centre bore, the lower end manufacture that have through negative pressure shell are manufactured in upper end on the center line of inner chamber has aspirating hole to pass negative pressure shell; Manufacture at the middle part of the lower end in negative pressure shell sealing neck protruding upward, and the upper part of the inside of sealing neck creates closed hole, lower part creates aspirating hole, and closed hole communicates with aspirating hole, and closed hole coordinates with one side below sealing plate; Described closed hole creates the hole of shallow cylindrical or shallow cone cylindricality, what be manufactured on aspirating hole in the sealing neck of the lower end in negative pressure shell forms one-level rank with the upper surface of sealing neck above, the hole face in the hole of shallow columniform hole or shallow cone cylindricality creates the inner headed face or the internal conical surface that hold sealing plate, and the bottom surface of closed hole creates porose annular sealing surface below.

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

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

Answer magnetic piston to create columniform iron core, the periphery of columniform iron core creates smooth periphery, manufactures the annular groove that has depression on smooth periphery, and annular groove is embedded with sealing ring; Described periphery coordinates inner chamber that can sealed negative-pressure shell with the inner chamber of negative pressure shell, and can in the inner chamber of negative pressure shell, slide. Manufacture in the cylinder centre of described columniform iron core through hole and accommodation hole, accommodation hole runs through the lower surface of iron core, through hole run through iron core above, accommodation hole is manufactured on below through hole, accommodation hole communicates with through hole and pumping chamber, and through hole communicates with squish chamber and accommodation hole. Described through hole creates the top that upper surface, lower part that upper part runs through iron core run through the accommodation hole of iron core lower part, the lower part of through hole creates passage, the upper part of through hole creates consent, and the mid portion between passage and consent creates internal taper hole. The accommodation hole of depression on the manufacture of the lower end of columniform iron core is oriented, described accommodation hole create communicate with passage, upwards depression circular hole, in the time of the lower end of answering in magnetic piston arrives negative pressure shell, accommodation hole can hold restriction cap and make to limit cap and do not bump with answering magnetic piston. On accommodation hole, manufacture and have passage, manufacturing and have internal taper hole above of passage, manufactures and has consent above internal taper hole; Described passage creates the via hole that allows air pass through, and communicates with accommodation hole and consent; Described consent creates the hole of installation and fixing fixed plug, communicates with accommodation hole and squish chamber.

In the middle of fixed plug creates, there is the plug of passage, in the middle of described plug creates, have cylinder or annular ring or the jump ring circle of through hole, can limit the ball sealer or the sealing that are arranged in the internal taper hole of answering in magnetic piston and bore the distance moving up; While having the cylinder of through hole in the middle of fixed plug creates, the fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixed cylinder in the jump-ring slot in consent; When fixed plug creates annular ring, the fixing employing interference fit in consent is fixed or is adopted jump ring to be stuck in the two ends of stationary annular circle in the jump-ring slot in consent; When fixed plug creates jump ring circle, directly jump ring is stuck in consent.

Internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The small end of internal taper hole under, hold upper greatly, be manufactured on respectively in the hollow valve body of air outlet valve and answer in the through hole of magnetic piston; Under the effect of the gravity of ball sealer or sealing cone self, can seal inner conical surface, in the time that ball sealer or sealing cone have suction above, can open inner conical surface by suction and bore with ball sealer or sealing the passage sealing; Ball sealer or sealing cone air pressure are above larger, and ball sealer or sealing cone are better with the gluing, sealing effect of inner conical surface.

Sealing cone creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the male cone (strobilus masculinus) of tapering; The male cone (strobilus masculinus) of sealing cone is bored self during with inner conical surface sealing gravity by sealing presses down and seals inner conical surface.

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

Sealing plate creates circular flat board, and dull and stereotyped one side below creates sealing surface, and sealing surface coordinates with the closed hole sealing in neck.

Restriction cap creates calotte, and the crown part of calotte is manufactured the air passing hole that allows gas pass through, and the hatband partial fixing of calotte can limit the distance of moving on sealing plate on sealing neck.

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

In order to prevent that robber from stealing automobile easily, making robber there is no vacuum servo in the time driving a car and stopping stealing garage is to adopt installing remote device between teacher position key switch and field controller to connect and cut off the power-on circuit generating an electromagnetic field; Described electronic remote controller creates the contactor of connecting and cutting off field controller, comprises the switch sections and the electronic telecontrol part that switch on or off circuit, and electronic telecontrol part comprises remote controller switch and electronic signal receiver; Described electronic remote controller can have in the present invention, also can not have.

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

Aspirating hole create air enter negative pressure shell inner chamber through via hole, be manufactured on the lower part in the centre of sealing neck, above the upper end of the aspirating hole in sealing neck, manufacture and have closed hole, sealing plate is not installed in closed hole time, closed hole communicates with aspirating hole.

In order to ensure that extracting vacuum brake boost energy-saving equipment can normally work, adopt connection and the cut-out of the connecting circuit of the teacher position key switch controlling magnetic field controller connecting with insulated electric conductor; Or, connection and the cut-out of the teacher position key switch that employing and insulated electric conductor connect and the connecting circuit of electronic remote controller co-controlling field controller.

Keep the shape of protecting crust in order to ensure protecting crust can protect solenoid not to be damaged, in the inner chamber of protecting crust, manufacture the skeleton that has support.

For the air of answering magnetic piston can promote in the pumping chamber in negative pressure shell is entered in squish chamber, adopt iron core spring as the power that promotes to answer magnetic descent of piston.

Solenoid is installed in protecting crust, and solenoid is fixed on the upper part of negative pressure shell outside, and protecting crust is fixed on the outside protection solenoid on the top of negative pressure shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest protects exhaust tube not oppressed lower than negative pressure shell lower end, and the lower end of foot rest is fixed on the vehicle frame of automobile. The circuit that connects solenoid is connected with field controller, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust; Or the circuit that connects solenoid is connected with field controller, the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust. Sealing plate, restriction cap, iron core spring are installed in negative pressure shell, answer magnetic piston, ball sealer or seal cone, fixed plug, iron core spring fitting is at the upper part of the inner chamber of negative pressure shell, answer magnetic piston to be arranged on the lower part of the inner chamber of negative pressure shell, upper end, lower end that the top, upper end of iron core spring is pressed in the inner chamber of negative pressure shell are pressed in the upper end of answering magnetic piston, answer magnetic piston can slide up and down in the inner chamber of negative pressure shell; Ball sealer or sealing cone are installed in the internal taper hole below the consent of answering in magnetic piston, ball sealer or sealing cone can move up and down in internal taper hole, fixed plug is installed in consent limits ball sealer or seal cone the displacement while moving up in internal taper hole, the fixing employing interference fit of fixed plug in consent fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixing fixed plug in the jump-ring slot in consent; The male cone (strobilus masculinus) of the sphere of ball sealer or sealing cone coordinates with the inner conical surface of internal taper hole and can close the passage of bleeding of answering on magnetic piston while sealing, the sphere of ball sealer or seal when the male cone (strobilus masculinus) of boring separates with the inner conical surface of internal taper hole and can open the passage of bleeding of answering on magnetic piston; In closed hole in the sealing neck of the lower end in negative pressure shell, sealing plate is installed, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and restriction cap is in the accommodation hole of answering the lower end of magnetic piston upwards to cave in time, and restriction cap and accommodation hole are gapped; Sealing plate coordinates with the closed hole of sealing in neck and can seal or open the passage of bleeding entering in negative pressure shell; While answering magnetic piston stroking upward, answering the inner chamber part of the negative pressure shell of magnetic piston lower part is pumping chamber; While answering magnetic descent of piston, the inner chamber part of answering the negative pressure shell of magnetic piston upper part is squish chamber. Aspirating hole place in the lower end of negative pressure shell is fixed with exhaust tube, and the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with aspirating hole and vacuum tank; Upper end at negative pressure shell is provided with air outlet valve, and the lower part of air outlet valve is fixed in the centre bore of one end above of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve.

The compact conformation of extracting vacuum brake boost energy-saving equipment of the present invention, vibrate little, utilization rate of electrical is high, powerful, the electric automobile and the internal-combustion engines vehicle that are applicable to the hydraulic braking of vacuum servo formula are installed and used, and also can produce normally vacuum and realize vacuum servo after engine stops; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

Brief description of the drawings

Fig. 1 and Fig. 2 are the structural representations of extracting vacuum brake boost energy-saving equipment.

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

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

Shown in figure: protecting crust 1, foot rest 2, exhaust tube 3, negative pressure shell 4, hollow valve body 5, iron core spring 6, answer magnetic piston 7, ball sealer 8 or sealing cone 8, fixed plug 10, restriction cap 11, air passing hole 12, solenoid 13, sealing plate 14, accommodation hole 15, passage 16, internal taper hole 17, consent 18, inner conical surface 19.

Detailed description of the invention

Extracting vacuum brake boost energy-saving equipment of the present invention mainly comprises protecting crust 1, solenoid 13, negative pressure shell 4, aspirating hole, sealing plate 14, ball sealer 8 or sealing cone 8, restriction cap 11, iron core spring 6, answers magnetic piston 7, fixed plug 10, internal taper hole 17, passage 16, air outlet valve, exhaust tube 3, field controller, electronic remote controller; Or comprise protecting crust 1, solenoid 13, negative pressure shell 4, aspirating hole, sealing plate 14, ball sealer 8 or sealing cone 8, restriction cap 11, iron core spring 6, answer magnetic piston 7, fixed plug 10, internal taper hole 17, passage 16, air outlet valve, exhaust tube 3, field controller.

Solenoid 13 is installed in protecting crust 1, and solenoid 13 is fixed on the upper part of negative pressure shell 4 outsides, and protecting crust 1 is fixed on the outside protection solenoid 13 on the top of negative pressure shell 4; Below the outside of protecting crust 1, one side is fixed with foot rest 2, and the lower end of foot rest 2 protects exhaust tube 3 not oppressed lower than negative pressure shell 4 lower ends, and the lower end of foot rest 2 is fixed on the vehicle frame of automobile.

The circuit that connects solenoid 13 is connected with field controller, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust 1; Or the circuit that connects solenoid 13 is connected with field controller, the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust 1.

Sealing plate 14, restriction cap 11, iron core spring 6 are installed in negative pressure shell 4, answer magnetic piston 7, ball sealer 8 or seal cone 8, fixed plug 10, iron core spring 6 is arranged on the upper part of the inner chamber of negative pressure shell 4, answer magnetic piston 7 to be arranged on the lower part of the inner chamber of negative pressure shell 4, upper end, lower end that the top, upper end of iron core spring 6 is pressed in the inner chamber of negative pressure shell 4 are pressed in the upper end of answering magnetic piston 7, answer magnetic piston 7 can slide up and down in the inner chamber of negative pressure shell 4; Ball sealer 8 or sealing cone 8 are installed in the internal taper hole 17 below the consent 18 of answering in magnetic piston 7, ball sealer 8 or sealing cone 8 can move up and down in internal taper hole 17, fixed plug 10 is installed in consent 18 limits ball sealer 8 or seal cone 8 displacement while moving up in internal taper hole 17, the fixing employing interference fit of fixed plug 10 in consent 18 fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixing fixed plug 10 in the jump-ring slot in consent 18; The male cone (strobilus masculinus) of the sphere of ball sealer 8 or sealing cone 8 coordinates with the inner conical surface 19 of internal taper hole 17 and can close the passage of bleeding of answering on magnetic piston 7 while sealing, and the sphere of ball sealer 8 or sealing are bored when 8 male cone (strobilus masculinus) separates with the inner conical surface 19 of internal taper hole 17 can open the passage of bleeding of answering on magnetic piston 7; In closed hole in the sealing neck of the lower end in negative pressure shell 4, sealing plate 14 is installed, restriction cap 11 is fixed on the outside of sealing neck by screw thread or jump ring, restriction cap 11 is in the time that the accommodation hole 15 of answering the lower end of magnetic piston 7 upwards to cave in is interior, and restriction cap 11 is gapped with accommodation hole 15; Sealing plate 14 coordinates with the closed hole of sealing in neck and can seal or open the passage of bleeding entering in negative pressure shell 4; While answering magnetic piston 7 up, answering the inner chamber part of the negative pressure shell 4 of magnetic piston 7 lower parts is pumping chambers; While answering magnetic piston 7 descending, the inner chamber part of answering the negative pressure shell 4 of magnetic piston 7 upper parts is squish chambeies. Aspirating hole place in the lower end of negative pressure shell 4 is fixed with exhaust tube 3, and the other end of exhaust tube 3 is connected with vacuum tank, and the endoporus of exhaust tube 3 communicates with aspirating hole and vacuum tank; Upper end at negative pressure shell 4 is provided with air outlet valve, and the lower part of air outlet valve is fixed in the centre bore of one end above of negative pressure shell 4, and the upper surface of negative pressure shell 4 is exposed in the upper end of air outlet valve.

During fabrication, protecting crust 1 adopts a type or the material manufacture of several types in metal, plastics, nylon, fiberglass, rubber, when protecting crust 1 while adopting elastomeric material to manufacture or after manufacture shaping is soft-shell, make it float on gas face will first in use the inner chamber inflation of protecting crust 1; Hollow valve body 5 and negative pressure shell 4 adopt a type or the material manufacture of several types in metal, plastics, nylon and fiberglass; One type or the material manufacture of several types that ball sealer 8 or sealing cone 8 adopt in metal, plastics, nylon and rubber; Sealing plate 14 adopts a type or the material manufacture of several types in metal, plastics, nylon and fiberglass; Answer magnetic piston 7 to adopt the material manufacture of the hard to bear magnetic field suction of energy; Fixed plug 10 adopts a type or the material manufacture of several types in metal, plastics, nylon, fiberglass, rubber; Iron core spring 6 adopts a type or the material manufacture of two types in metal and rubber, and while adopting elastomeric material to manufacture, iron core spring 6 creates hollow tubular type spring, utilizes the elasticity of rubber and shrinkage to realize the function of spring.

Protecting crust 1 creates the hollow cavity of annular, manufactures wired hole on hollow cavity, and line hole creates the hole that allows insulated electric conductor pass; The parts of field controller, solenoid 13 and negative pressure shell 4 and negative pressure shell 4 interior installations are installed in hollow cavity, or, the parts of electronic remote controller, field controller, solenoid 13 and negative pressure shell 4 and negative pressure shell 4 interior installations are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on negative pressure shell 4.

For convenient for assembly, during fabrication, protecting crust 1, from annular position is divided into two parts manufacture, recombinant is together for protecting crust 1.

The inner chamber of negative pressure shell 4 creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; The centre bore, the lower end manufacture that have through negative pressure shell 4 are manufactured in upper end on the center line of inner chamber has aspirating hole to pass negative pressure shell 4; Manufacture at the middle part of the lower end in negative pressure shell 4 sealing neck protruding upward, and the upper part of the inside of sealing neck creates closed hole, lower part creates aspirating hole, and closed hole communicates with aspirating hole, and closed hole coordinates with one side below sealing plate 14; Described closed hole creates the hole of shallow cylindrical or shallow cone cylindricality, what be manufactured on aspirating hole in the sealing neck of the lower end in negative pressure shell 4 forms one-level rank with the upper surface of sealing neck above, the hole face in the hole of shallow columniform hole or shallow cone cylindricality creates the inner headed face or the internal conical surface that hold sealing plate 14, and the bottom surface of closed hole creates porose annular sealing surface below.

Air outlet valve creates hollow valve body 5 and ball sealer 8 or sealing cone 8 two parts, hollow valve body 5 creates hollow pipe, internal taper hole 17 is manufactured on middle part or the middle and lower part of the inner chamber of hollow pipe, and the internal diameter internal diameter large, that lower part is manufactured that the upper part of the internal taper hole 17 in hollow pipe is manufactured is little; Manufacture the lower end of hollow valve body 5 return-air sealed end, lower end, upper surface that the lower surface of return-air sealed end is manufactured on hollow valve body 5 create internal taper hole 17, the large end of internal taper hole 17 communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, and ball sealer 8 or sealing cone 8 are installed on the inner conical surface 19 of internal taper hole 17; When enter the air of pressure from the endoporus of hollow valve body 5 lower ends, can open inner conical surface 19 and form passage with the sealing of ball sealer 8 or sealing cone 8.

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

Answer magnetic piston 7 to create columniform iron core, the periphery of columniform iron core creates smooth periphery, manufactures the annular groove that has depression on smooth periphery, and annular groove is embedded with sealing ring; Described periphery coordinates inner chamber that can sealed negative-pressure shell 4 with the inner chamber of negative pressure shell 4, and can in the inner chamber of negative pressure shell 4, slide. Manufacture in the cylinder centre of described columniform iron core through hole and accommodation hole 15, accommodation hole 15 runs through the lower surface of iron core, through hole run through iron core above, accommodation hole 15 is manufactured on below through hole, accommodation hole 15 communicates with through hole and pumping chamber, and through hole communicates with squish chamber and accommodation hole 15. Described through hole creates the top that upper surface, lower part that upper part runs through iron core run through the accommodation hole 15 of iron core lower part, the lower part of through hole creates passage 16, the upper part of through hole creates consent 18, and the mid portion between passage 16 and consent 18 creates internal taper hole 17. The accommodation hole 15 of depression on the manufacture of the lower end of columniform iron core is oriented, that described accommodation hole 15 creates is that communicate with passage 16, the circular hole of depression upwards, in the time answering magnetic piston 7 to arrive the lower end in negative pressure shell 4, accommodation hole 15 can hold restriction cap 11 and make to limit cap 11 and do not bump with answering magnetic piston 7. On accommodation hole 15, manufacture and have passage 16, manufacturing and have internal taper hole 17 above of passage 16, manufactures and has consent 18 above internal taper hole 17; Described passage 16 creates the via hole that allows air pass through, and communicates with accommodation hole 15 and consent 18; Described consent 18 creates the hole of installation and fixing fixed plug 10, communicates with accommodation hole 15 and squish chamber.

In the middle of fixed plug 10 creates, there is the plug of passage 16, in the middle of described plug creates, have cylinder or annular ring or the jump ring circle of through hole, can limit the ball sealer 8 or sealing cone 8 distances that move up that are arranged in the internal taper hole 17 of answering in magnetic piston 7; While having the cylinder of through hole in the middle of fixed plug 10 creates, the fixing employing interference fit in consent 18 is fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixed cylinder in the jump-ring slot in consent 18; When fixed plug 10 creates annular ring, the fixing employing interference fit in consent 18 is fixed or is adopted jump ring to be stuck in the two ends of stationary annular circle in the jump-ring slot in consent 18; When fixed plug 10 creates jump ring circle, directly jump ring is stuck in consent 18.

Internal taper hole 17 creates the circular hole of tapering, and the face of circular hole creates inner conical surface 19; The small end of internal taper hole 17 under, hold upper greatly, be manufactured on respectively in the hollow valve body 5 of air outlet valve and answer in the through hole of magnetic piston 7; Under the effect of the gravity of ball sealer 8 or sealing cone 8 self, can seal inner conical surface 19, in the time that ball sealer 8 or sealing cone 8 have suction above, can open by suction the passages that inner conical surface 19 and ball sealer 8 or sealing cone 8 seal; Ball sealer 8 or sealing cone 8 air pressure are above larger, and ball sealer 8 or sealing cone 8 are better with the gluing, sealing effect of inner conical surface 19.

Sealing cone 8 creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the male cone (strobilus masculinus) of tapering; When the male cone (strobilus masculinus) of sealing cone 8 seals with inner conical surface 19, bore 8 self gravity and press down and seal inner conical surface 19 by sealing.

Ball sealer 8 creates spherosome or oval ball, and the surface of spherosome or oval ball creates sealing surface, and sealing surface creates smooth sphere; When the sphere of ball sealer 8 and inner conical surface 19 seal, press down by the self gravitation of ball sealer 8 and seal inner conical surface 19.

Sealing plate 14 creates circular flat board, and dull and stereotyped one side below creates sealing surface, and sealing surface coordinates with the closed hole sealing in neck.

Restriction cap 11 creates calotte, and the crown part of calotte is manufactured the air passing hole 12 that allows gas pass through, and the hatband partial fixing of calotte can limit the distance of moving on sealing plate 14 on sealing neck.

Field controller creates controls the controller that generates an electromagnetic field of solenoid 13, controlling the time that electromagnetic field produces and generate an electromagnetic field the length of time and generate an electromagnetic field at every turn after to the interval time generating an electromagnetic field again for the second time.

In order to prevent that robber from stealing automobile easily, making robber there is no vacuum servo in the time driving a car and stopping stealing garage is to adopt installing remote device between teacher position key switch and field controller to connect and cut off the power-on circuit generating an electromagnetic field; Described electronic remote controller creates the contactor of connecting and cutting off field controller, comprises the switch sections and the electronic telecontrol part that switch on or off circuit, and electronic telecontrol part comprises remote controller switch and electronic signal receiver; Described electronic remote controller can have in the present invention, also can not have.

Exhaust tube 3 creates and connects the aspirating hole of negative pressure shell 4 and the hollow pipe of vacuum tank.

Aspirating hole create air enter negative pressure shell 4 inner chamber through via hole, be manufactured on the lower part in the centre of sealing neck, above the upper end of the aspirating hole in sealing neck, manufacture and have closed hole, sealing plate 14 is not installed in closed hole time, closed hole communicates with aspirating hole.

In order to ensure that extracting vacuum brake boost energy-saving equipment can normally work, adopt connection and the cut-out of the connecting circuit of the teacher position key switch controlling magnetic field controller connecting with insulated electric conductor; Or, connection and the cut-out of the teacher position key switch that employing and insulated electric conductor connect and the connecting circuit of electronic remote controller co-controlling field controller.

Keep the shape of protecting crust 1 in order to ensure protecting crust 1 can protect solenoid 13 not to be damaged, in the inner chamber of protecting crust 1, manufacture the skeleton that has support.

For the air of answering magnetic piston 7 can promote in the pumping chamber in negative pressure shell 4 is entered in squish chamber, adopt iron core spring 6 as promoting to answer the descending power of magnetic piston 7.

In pumping chamber, lay in and wait to press from the air extracting in vacuum tank, in squish chamber, push air and produce air pressure and discharge outside negative pressure shell; In squish chamber, when exhaust, pumping chamber communicates with squish chamber; Discharge air in squish chamber time, pumping chamber by ball sealer 8 or sealing cone 8 with answer internal taper hole 17 in magnetic piston 7 to seal to disconnect the passage of bleeding that enters squish chamber.

Described extracting vacuum brake boost energy-saving equipment is in the process of exhaust, and controlling bleed-off passage and going out in the one-way check valve of air duct does not have return spring; In the time of pumping chamber exhaust, answer the suction of magnetic piston 7 up generations open the sealing of sealing plate 14 and closed hole and open the passage of bleeding, be arranged on ball sealer 8 on the internal taper hole 17 of answering in magnetic piston 7 or sealing cone 8 decline return and close the passage of bleeding entering in squish chamber and seal automatically under the effect of self gravitation; In the time of the exhaust of squish chamber, be arranged on ball sealer 8 on the internal taper hole 17 of air outlet valve or sealing cone 8 and utilize the gravity of self to make ball sealer 8 or sealing cone 8 automatic decline returns and the passage of closing the discharge on air outlet valve seals, answer magnetic piston 7 descending and make to produce pressure pumping chamber in and promote ball sealer 8 or seal to bore the 8 up passages of bleeding that enter in squish chamber of then opening; While discharging air in squish chamber, under the effect that goes out atmospheric pressure, promote ball sealer 8 on the internal taper hole 17 of air outlet valve or sealing cone 8 up and open the passage of giving vent to anger of air outlet valve, be arranged on ball sealer 8 on the internal taper hole 17 of answering in magnetic piston 7 or sealing cone 8 and utilize the gravity of self to make ball sealer 8 or sealing cone 8 automatic decline returns and close the passage of bleeding of answering on magnetic piston 7 and seal.

When use, teacher of the opening position key switch is directly connected the power-on circuit of insulated electric conductor and field controller, or, teacher of the opening position key is connected the starting button of pressing remote controller switch after the power-on circuit of electronic remote controller, and electronic signal receiver receives the circuit of connecting electronic remote controller and field controller after initiating signal; The power-on circuit that field controller is connected solenoid 13 generates an electromagnetic field, the attraction that electromagnetic field produces pulls the pressure of answering magnetic piston 7 to overcome iron core spring 6 to move up, answer magnetic piston 7 to start when up, be arranged on descending return under the effect of ball sealer 8 on the internal taper hole 17 of answering in magnetic piston 7 or sealing cone 8 gravity at self and the passage of bleeding of having closed air and enter squish chamber; In the time answering magnetic piston 7 up, answer the up of magnetic piston 7 and make the air in squish chamber produce pressure, the air that has pressure enters into from the endoporus of the sealed end of air outlet valve lower end that internal taper hole 17 in air outlet valve promotes ball sealers 8 or sealing cone 8 is up and open the seal channel of air outlet valve, and the air in squish chamber is entered in atmosphere after air outlet valve; Answer magnetic piston 7 when up, answer magnetic piston 7 also to make to have produced in pumping chamber pull of vacuum, pull of vacuum is inhaled movable sealing plate 14 separates sealing plate 14 and the sealing surface of closed hole, air in vacuum tank enters into closed hole from exhaust tube 3 through aspirating hole, then enters answering in magnetic piston 7 pumping chamber below in negative pressure shell 4 through the air passing hole 12 on restriction cap 11.

While answering the up compression stage that moves to compression iron core spring 6 of magnetic piston 7 spacing, the power-on circuit of field controller cutoff solenoid 13, magnetic field diminishes, answers magnetic piston 7 descending under the promotion of iron core spring 6; Answer magnetic piston 7 to start when descending, be arranged on descending return under the effect of sealing plate 14 in the closed hole of the negative pressure shell 4 interior lower ends negative pressure of vacuum under the effect of self gravitation and in vacuum tank and close the bleed-off passage that enters pumping chamber, descending return under the effect of the ball sealer 8 in air outlet valve or sealing cone 8 gravity at self and seal the inner conical surface 19 of air outlet valve, has cut off the outlet passageway in squish chamber; Answer magnetic piston 7 when descending, answer magnetic piston 7 to promote to enter the air in pumping chamber and make air produce internal pressure, the air that has pressure is upwards washed open and is continued after the ball sealer 8 that seals with internal taper hole 17 or 8 displacements of sealing cone uply from answering passage 16 in magnetic piston 7 to enter into the internal taper hole 17 of answering in magnetic piston 7, after the passage 16 in fixed plug 10, enters in squish chamber.

Answer magnetic piston 7 under the promotion of iron core spring 6 when descending putting in place, be arranged on and descendingly under the effect of ball sealer 8 on the inner conical surface 19 of answering in magnetic piston 7 or sealing cone 8 gravity at self inner conical surface 19 shut and made air not return to pumping chamber, now, the power-on circuit that field controller is connected again solenoid 13 again generates an electromagnetic field and makes to answer magnetic piston 7 up; So connection of circulation and cut off circuit, generates an electromagnetic field solenoid 13 to pull to answer magnetic piston 7 up and allow iron core spring 6 promote to answer magnetic piston 7 descending, constantly the air in vacuum tank is extracted out and is entered in atmosphere.

Claims (6)

1. an extracting vacuum brake boost energy-saving equipment, is characterized in that: described extracting vacuum brake boost energy-saving equipment comprises protecting crust, solenoid, negative pressure shell, aspirating hole, sealing plate, sealing cone, restriction cap, iron core spring, answers magnetic piston, fixed plug, internal taper hole, passage, air outlet valve, exhaust tube, field controller;

Solenoid is installed in protecting crust, and solenoid is fixed on the upper part of negative pressure shell outside, and protecting crust is fixed on the outside protection solenoid on the top of negative pressure shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest protects exhaust tube not oppressed lower than negative pressure shell lower end, and the lower end of foot rest is fixed on the vehicle frame of automobile;

The circuit that connects solenoid is connected with field controller, and the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust;

Sealing plate, restriction cap, iron core spring are installed in negative pressure shell, answer magnetic piston, seal cone, fixed plug, iron core spring fitting is at the upper part of the inner chamber of negative pressure shell, answer magnetic piston to be arranged on the lower part of the inner chamber of negative pressure shell, upper end, lower end that the top, upper end of iron core spring is pressed in the inner chamber of negative pressure shell are pressed in the upper end of answering magnetic piston, answer magnetic piston can slide up and down in the inner chamber of negative pressure shell; Sealing cone is installed in the internal taper hole below the consent of answering in magnetic piston, sealing cone can move up and down in internal taper hole, displacement when fixed plug is installed in consent limits sealing cone and move up in internal taper hole, the fixing employing interference fit of fixed plug in consent fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixing fixed plug in the jump-ring slot in consent; The male cone (strobilus masculinus) of the sphere of ball sealer or sealing cone coordinates with the inner conical surface of internal taper hole and can close the passage of bleeding of answering on magnetic piston while sealing, the sphere of ball sealer or seal when the male cone (strobilus masculinus) of boring separates with the inner conical surface of internal taper hole and can open the passage of bleeding of answering on magnetic piston; In closed hole in the sealing neck of the lower end in negative pressure shell, sealing plate is installed, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and restriction cap is in the accommodation hole of answering the lower end of magnetic piston upwards to cave in time, and restriction cap and accommodation hole are gapped; Sealing plate coordinates with the closed hole of sealing in neck and can seal or open the passage of bleeding entering in negative pressure shell; While answering magnetic piston stroking upward, answering the inner chamber part of the negative pressure shell of magnetic piston lower part is pumping chamber; While answering magnetic descent of piston, the inner chamber part of answering the negative pressure shell of magnetic piston upper part is squish chamber; Aspirating hole place in the lower end of negative pressure shell is fixed with exhaust tube, and the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with aspirating hole and vacuum tank; Upper end at negative pressure shell is provided with air outlet valve, and the lower part of air outlet valve is fixed in the centre bore of one end above of negative pressure shell, 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 wired hole on hollow cavity is provided with the parts of installing in field controller, solenoid and negative pressure shell and negative pressure shell in hollow cavity, and line hole is the hole that allows insulated electric conductor 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 pack in protecting crust, described protecting crust is the assembly after segmentation, and after the annular position of protecting crust is divided into two parts, recombinant together;

The inner chamber of described negative pressure shell is circular cylindrical cavity, and the face of cylinder of columniform cavity is smooth curved surface; Upper end on the center line of inner chamber has centre bore to pass negative pressure shell, lower end has aspirating hole 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 part of the inside of sealing neck is that closed hole, lower part are aspirating holes, sealing plate is not installed in closed hole time, closed hole communicates with aspirating hole, and closed hole coordinates with one side below sealing plate; Described closed hole is the hole of shallow cylindrical or shallow cone cylindricality, above aspirating hole in the sealing neck of the lower end in negative pressure shell, form one-level rank with the upper surface of sealing neck, the hole face in the hole of shallow columniform hole or shallow cone cylindricality is inner headed face or the internal conical surface that holds sealing plate, and the bottom surface of closed hole is porose below annular sealing surface;

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

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

The described magnetic piston of answering is columniform iron core, and the periphery of columniform iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with sealing ring; Described periphery coordinates inner chamber that can sealed negative-pressure shell with the inner chamber of negative pressure shell, and can in the inner chamber of negative pressure shell, slide; There are through hole and accommodation hole in the cylinder centre of described columniform iron core, accommodation hole runs through the lower surface of iron core, through hole run through iron core above, accommodation hole is below through hole, accommodation hole communicates with through hole and pumping chamber, and through hole communicates with squish chamber and accommodation hole; Upper surface, the lower part that the upper part of described through hole runs through iron core runs through the top of the accommodation hole of iron core lower part, the lower part of through hole is passage, the upper part of through hole is consent, and the mid portion between passage and consent is internal taper hole; The accommodation hole of depression on oriented in the lower end of columniform iron core, the circular hole that described accommodation hole communicates with passage, upwards caves in, in the time of the lower end of answering in magnetic piston arrives negative pressure shell, accommodation hole is used for holding restriction cap and makes to limit cap and do not bump with answering magnetic piston; On accommodation hole, being passage, is internal taper hole above passage, above internal taper hole, is consent; Described passage is the via hole that allows air pass through, and communicates with accommodation hole and consent; Described consent is the hole of installation and fixing fixed plug, communicates with accommodation hole and squish chamber;

Described fixed plug be restriction be arranged on sealing in the internal taper hole of answering in magnetic piston bore the distance that moves up, there is the plug of passage centre, described plug is cylinder or annular ring or the jump ring circle that there is through hole centre; When fixed plug has the cylinder of through hole in the middle of being, the fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixed cylinder in the jump-ring slot in consent; When fixed plug is annular ring, the fixing employing interference fit in consent is fixed or is adopted jump ring to be stuck in the two ends of stationary annular circle in the jump-ring slot in consent; When fixed plug is jump ring circle, directly jump ring is stuck in consent;

Described internal taper hole is the circular hole that has tapering, and the face of circular hole is inner conical surface; The small end of internal taper hole under, hold upper greatly, respectively in the hollow valve body of air outlet valve and answer in the through hole of magnetic piston; Inner conical surface coordinates with the male cone (strobilus masculinus) of sealing cone, under the effect of gravity that seals cone self, can seal inner conical surface, while having suction, can open inner conical surface and the passage that seals cone sealing by suction on sealing cone; Sealing cone air pressure is above larger, and sealing cone is better with the gluing, sealing effect of inner conical surface;

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is the male cone (strobilus masculinus) that has tapering; The male cone (strobilus masculinus) of sealing cone and inner conical surface lean on the gravity of self to press down and seal inner conical surface while sealing;

Described sealing plate is circular flat board, and dull and stereotyped one side is below sealing surface, and sealing surface is for coordinating with the closed hole sealing in neck;

Described restriction cap is calotte, and the crown part of calotte has the air passing hole that allows gas pass through, and the hatband partial fixing of calotte can limit the distance of moving on sealing plate on sealing neck;

Described field controller is to control the controller that generates an electromagnetic field of solenoid, controlling time and the time length generating an electromagnetic field that electromagnetic field produces and generate an electromagnetic field at every turn after to the interval time generating an electromagnetic field again for the second time;

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

Described aspirating hole be the air inner chamber that enters negative pressure shell through air passing hole, at the lower part in centre of sealing neck, above the upper end of the aspirating hole in sealing neck, have closed hole, sealing plate is not installed in closed hole time, closed hole communicates with aspirating hole;

In pumping chamber, lay in and wait to press from the air extracting in vacuum tank, in squish chamber, push air and produce air pressure and discharge outside negative pressure shell; In squish chamber, when exhaust, pumping chamber communicates with squish chamber; Discharge air in squish chamber time, pumping chamber is bored with answering the internal taper hole sealing in magnetic piston and is disconnected the passage of bleeding that enters squish chamber by sealing;

Described extracting vacuum brake boost energy-saving equipment is in the process of exhaust, and controlling bleed-off passage and going out in the one-way check valve of air duct does not have return spring; In the time of pumping chamber exhaust, the suction of answering magnetic piston stroking upward to produce is opened the sealing of sealing plate and closed hole and is opened the passage of bleeding, and is arranged on sealing on the internal taper hole of answering in magnetic piston cone automatic decline return and close the passage of bleeding entering in squish chamber and seal under the effect of self gravitation; In the time of the exhaust of squish chamber, be arranged on sealing cone on the internal taper hole of air outlet valve and utilize the gravity of self to make the sealing automatic decline return of cone and the passage of closing the discharge on air outlet valve seals, answer magnetic descent of piston and make to produce pumping chamber in pressure and promote sealing and bore the up passage of bleeding entering in squish chamber of then opening; While discharging air in squish chamber, under the effect that goes out atmospheric pressure, promote sealing cone on the internal taper hole of air outlet valve up and open the passage of giving vent to anger of air outlet valve, be arranged on sealing cone on the internal taper hole of answering in magnetic piston and utilize the gravity of self to make the sealing automatic decline return of cone and close the passage of bleeding of answering on magnetic piston and seal;

When use, teacher of the opening position key switch is connected the power-on circuit of insulated electric conductor and field controller, the power-on circuit that field controller is connected solenoid generates an electromagnetic field, the attraction that electromagnetic field produces pulls the pressure of answering magnetic piston to overcome iron core spring to move up, answer magnetic piston to start when up, be arranged on sealing cone on the internal taper hole of answering in magnetic piston descending return and the passage of bleeding of having closed air and enter squish chamber under the effect of the gravity of self; In the time answering magnetic piston stroking upward, answer the up of magnetic piston and make the air in squish chamber produce pressure, the air that has pressure enters into internal taper hole in air outlet valve from the endoporus of the sealed end of air outlet valve lower end, and to promote sealing cone up and open the seal channel of air outlet valve, and the air in squish chamber is entered in atmosphere after air outlet valve; Answer magnetic piston when up, answer magnetic piston also to make to have produced in pumping chamber pull of vacuum, pull of vacuum is inhaled movable sealing plate separates sealing plate and the sealing surface of closed hole, air in vacuum tank enters into closed hole from exhaust tube through aspirating hole, then enters answering in the pumping chamber below magnetic piston in negative pressure shell through the air passing hole on restriction cap;

Answer magnetic piston stroking upward to move to the compression stage of compression iron core spring when spacing, the power-on circuit of field controller cutoff solenoid, magnetic field diminishes, answers magnetic piston descending under the promotion of iron core spring; Answer magnetic piston to start when descending, be arranged on descending return under the effect of sealing plate in the closed hole of lower end in the negative pressure shell negative pressure of vacuum under the effect of self gravitation and in vacuum tank and close the bleed-off passage that enters pumping chamber, sealing in air outlet valve cone descending return and seal the inner conical surface of air outlet valve under the effect of the gravity of self, has cut off the outlet passageway in squish chamber; Answer magnetic piston when descending, answer magnetic piston to promote to enter the air in pumping chamber and make air produce internal pressure, the air that has pressure from answer passage in magnetic piston enter into the internal taper hole of answering in magnetic piston upwards wash open with the sealing cone displacement of internal taper hole sealing after continue uply, after the passage in fixed plug, enter in squish chamber;

Answer magnetic piston under the promotion of iron core spring when descending putting in place, be arranged on that sealing on the inner conical surface of answering in magnetic piston cone is descending under the effect of the gravity of self to be shut inner conical surface and make air not return to pumping chamber, now, the power-on circuit that field controller is connected again solenoid again generates an electromagnetic field and makes to answer magnetic piston stroking upward; So connection of circulation and cut off circuit, generates an electromagnetic field solenoid to pull to answer magnetic piston stroking upward and allow iron core spring promote to answer magnetic descent of piston, constantly the air in vacuum tank is extracted out and is entered in atmosphere.

2. extracting vacuum brake boost energy-saving equipment according to claim 1, is characterized in that: keep the shape of protecting crust in order to ensure protecting crust can protect solenoid not to be damaged, manufacture the skeleton that has support in the inner chamber of protecting crust.

3. extracting vacuum brake boost energy-saving equipment according to claim 1, is characterized in that: for air can be entered in negative pressure shell, the aspirating hole that swims in the protecting crust in air surface must slip into the following air pump of gas face and can normally work.

4. extracting vacuum brake boost energy-saving equipment according to claim 1, is characterized in that: adopt the teacher position key switch being connected with insulated electric conductor to come connection and the cut-out of the connecting circuit of controlling magnetic field controller.

5. extracting vacuum brake boost energy-saving equipment according to claim 1, it is characterized in that: the compact conformation of described extracting vacuum brake boost energy-saving equipment, vibrate little, utilization rate of electrical is high, powerful, the electric automobile and the internal-combustion engines vehicle that are applicable to the hydraulic braking of vacuum servo formula are installed and used, and also can produce normally vacuum and realize vacuum servo after engine stops; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

6. the manufacture method of an extracting vacuum brake boost energy-saving equipment, it is characterized in that: during fabrication, iron core spring adopts a type or the material manufacture of two types in metal and rubber, while adopting elastomeric material to manufacture, iron core spring creates hollow tubular type spring, utilizes the elasticity of rubber and shrinkage to realize the function of spring;

Protecting crust creates the hollow cavity of annular, manufactures wired hole on hollow cavity, and line hole creates the hole that allows insulated electric conductor pass; The parts of installing in field controller, solenoid and negative pressure shell and negative pressure shell are installed in hollow cavity, and the inner of the annular housing of hollow cavity is fixed on negative pressure shell;

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

The inner chamber of negative pressure shell creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; The centre bore, the lower end manufacture that have through negative pressure shell are manufactured in upper end on the center line of inner chamber has aspirating hole to pass negative pressure shell; Manufacture at the middle part of the lower end in negative pressure shell sealing neck protruding upward, and the upper part of the inside of sealing neck creates closed hole, lower part creates aspirating hole, and closed hole communicates with aspirating hole, and closed hole coordinates with one side below sealing plate; Described closed hole creates the hole of shallow cylindrical or shallow cone cylindricality, what be manufactured on aspirating hole in the sealing neck of the lower end in negative pressure shell forms one-level rank with the upper surface of sealing neck above, the hole face in the hole of shallow columniform hole or shallow cone cylindricality creates the inner headed face or the internal conical surface that hold sealing plate, and the bottom surface of closed hole creates porose annular sealing surface below;

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

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

Answer magnetic piston to create columniform iron core, the periphery of columniform iron core creates smooth periphery, manufactures the annular groove that has depression on smooth periphery, and annular groove is embedded with sealing ring; Described periphery coordinates inner chamber that can sealed negative-pressure shell with the inner chamber of negative pressure shell, and can in the inner chamber of negative pressure shell, slide; Manufacture in the cylinder centre of described columniform iron core through hole and accommodation hole, accommodation hole runs through the lower surface of iron core, through hole run through iron core above, accommodation hole is manufactured on below through hole, accommodation hole communicates with through hole and pumping chamber, and through hole communicates with squish chamber and accommodation hole; Described through hole creates the top that upper surface, lower part that upper part runs through iron core run through the accommodation hole of iron core lower part, the lower part of through hole creates passage, the upper part of through hole creates consent, and the mid portion between passage and consent creates internal taper hole; The accommodation hole of depression on the manufacture of the lower end of columniform iron core is oriented, described accommodation hole create communicate with passage, upwards depression circular hole, in the time of the lower end of answering in magnetic piston arrives negative pressure shell, accommodation hole can hold restriction cap and make to limit cap and do not bump with answering magnetic piston; On accommodation hole, manufacture and have passage, manufacturing and have internal taper hole above of passage, manufactures and has consent above internal taper hole; Described passage creates the via hole that allows air pass through, and communicates with accommodation hole and consent; Described consent creates the hole of installation and fixing fixed plug, communicates with accommodation hole and squish chamber;

In the middle of fixed plug creates, there is the plug of passage, in the middle of described plug creates, have cylinder or annular ring or the jump ring circle of through hole, can limit the sealing being arranged in the internal taper hole of answering in magnetic piston and bore the distance moving up; While having the cylinder of through hole in the middle of fixed plug creates, the fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixed cylinder in the jump-ring slot in consent; When fixed plug creates annular ring, the fixing employing interference fit in consent is fixed or is adopted jump ring to be stuck in the two ends of stationary annular circle in the jump-ring slot in consent; When fixed plug creates jump ring circle, directly jump ring is stuck in consent;

Internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The small end of internal taper hole under, hold upper greatly, be manufactured on respectively in the hollow valve body of air outlet valve and answer in the through hole of magnetic piston; Under the effect of gravity that seals cone self, inner conical surface can be sealed, have suction on sealing cone time, inner conical surface and the passage that seals cone sealing can be opened by suction; Sealing cone air pressure is above larger, and sealing cone is better with the gluing, sealing effect of inner conical surface;

Sealing cone creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the male cone (strobilus masculinus) of tapering; The male cone (strobilus masculinus) of sealing cone and inner conical surface lean on the gravity of self to press down and seal inner conical surface while sealing;

Sealing plate creates circular flat board, and dull and stereotyped one side below creates sealing surface, and sealing surface coordinates with the closed hole sealing in neck;

Restriction cap creates calotte, and the crown part of calotte is manufactured the air passing hole that allows gas pass through, and the hatband partial fixing of calotte can limit the distance of moving on sealing plate on sealing neck;

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

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

Aspirating hole create air enter negative pressure shell inner chamber through via hole, be manufactured on the lower part in the centre of sealing neck, above the upper end of the aspirating hole in sealing neck, manufacture and have closed hole, sealing plate is not installed in closed hole time, closed hole communicates with aspirating hole;

Keep the shape of protecting crust in order to ensure protecting crust can protect solenoid not to be damaged, in the inner chamber of protecting crust, manufacture the skeleton that has support;

For the air of answering magnetic piston can promote in the pumping chamber in negative pressure shell is entered in squish chamber, adopt iron core spring as the power that promotes to answer magnetic descent of piston;

Solenoid is installed in protecting crust, and solenoid is fixed on the upper part of negative pressure shell outside, and protecting crust is fixed on the outside protection solenoid on the top of negative pressure shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest protects exhaust tube not oppressed lower than negative pressure shell lower end, and the lower end of foot rest is fixed on the vehicle frame of automobile; The circuit that connects solenoid is connected with field controller, and the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust; Sealing plate, restriction cap, iron core spring are installed in negative pressure shell, answer magnetic piston, seal cone, fixed plug, iron core spring fitting is at the upper part of the inner chamber of negative pressure shell, answer magnetic piston to be arranged on the lower part of the inner chamber of negative pressure shell, upper end, lower end that the top, upper end of iron core spring is pressed in the inner chamber of negative pressure shell are pressed in the upper end of answering magnetic piston, answer magnetic piston can slide up and down in the inner chamber of negative pressure shell; Sealing cone is installed in the internal taper hole below the consent of answering in magnetic piston, sealing cone can move up and down in internal taper hole, displacement when fixed plug is installed in consent limits sealing cone and move up in internal taper hole, the fixing employing interference fit of fixed plug in consent fixed or threaded engagement is fixed or adopt jump ring to be stuck in the two ends of fixing fixed plug in the jump-ring slot in consent; The male cone (strobilus masculinus) of the sphere of ball sealer or sealing cone coordinates with the inner conical surface of internal taper hole and can close the passage of bleeding of answering on magnetic piston while sealing, the sphere of ball sealer or seal when the male cone (strobilus masculinus) of boring separates with the inner conical surface of internal taper hole and can open the passage of bleeding of answering on magnetic piston; In closed hole in the sealing neck of the lower end in negative pressure shell, sealing plate is installed, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and restriction cap is in the accommodation hole of answering the lower end of magnetic piston upwards to cave in time, and restriction cap and accommodation hole are gapped; Sealing plate coordinates with the closed hole of sealing in neck and can seal or open the passage of bleeding entering in negative pressure shell; While answering magnetic piston stroking upward, answering the inner chamber part of the negative pressure shell of magnetic piston lower part is pumping chamber; While answering magnetic descent of piston, the inner chamber part of answering the negative pressure shell of magnetic piston upper part is squish chamber; Aspirating hole place in the lower end of negative pressure shell is fixed with exhaust tube, and the other end of exhaust tube is connected with vacuum tank, and the endoporus of exhaust tube communicates with aspirating hole and vacuum tank; Upper end at negative pressure shell is provided with air outlet valve, and the lower part of air outlet valve is fixed in the centre bore of one end above of negative pressure shell, and the upper surface of negative pressure shell is exposed in the upper end of air outlet valve.