CN201273243Y

CN201273243Y - Fuel pressure regulator

Info

Publication number: CN201273243Y
Application number: CNU2008200908149U
Authority: CN
Inventors: 徐敬东
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-05
Filing date: 2008-09-05
Publication date: 2009-07-15
Anticipated expiration: 2018-09-05

Abstract

The utility model discloses a fuel pressure regulator, wherein one end of an operating handle is connected with an accelerator lacing wire of a generator, and the other end controls the make-and-break circumstance of a magnetic valve power supply, thereby controlling the motion of the magnetic valve. Oil supply pressure is changed through controlling the conducting circumstance of a spout hole by a magnetic valve moving iron. Since the fuel pressure regulator is mounted in an oil transmission channel and an oil return channel, an accelerator stay cord is connected with the operating handle, and therefore, oil spout pressure is easily controlled, and the design decides the normal oil supply when in starting and accelerating, and oil spout quantity is controlled to be properly reduced when in idling and high speed, and therefore, the purpose of saving oil is reached.

Description

Fuel pressure regulator

Technical field

The utility model relates to a kind of regulator, is a kind of fuel pressure regulator that electro jet car fuel pump delivery pressure is carried out dynamic adjustments specifically.

Background technique

At present, the fuel pump of electro jet car is fixed to the oil pressure of the indoor ejection of engine fuel, and fuel injection quantity was regulated by the electric controller control nozzle opening time.Motor is when idle running, and oil pump still sprays quantitative fuel oil with the pressure of its setting to engine chamber, must have the part fuel oil to be wasted like this; And motor is divided into two kinds of situations according to the load difference when running up: require normal fuel injection when load is big, load hour requires the decrement fuel feeding.Fuel feeding requirement when adopting existing technology obviously can't satisfy idling and high speed.

Summary of the invention

The purpose of this utility model is to overcome the deficiency that exists in the above-mentioned technology, and a kind of compact structure, reasonable in design is provided, and can reach fuel-economizing purpose fuel pressure regulator effectively at carrying out suitable adjusting under the motor different rotating speeds.

In order to achieve the above object, the technical solution adopted in the utility model is: the operating handle upper end stretches out in outside the insulation shell, and link to each other with engine throttle, its middle part has big disk, be stuck in the cavity of insulation slide block, the bottom of elastic conducting strip is withstood in its lower end, the top of elastic conducting strip and elastic conducting strip is stuck in the both sides of insulation slide block respectively, the top of electric conductor and elastic conducting strip conducting, its underpart stretches out in outside the insulation shell, connect the 12V power cathode, the top of electric conductor and elastic conducting strip conducting, its underpart also stretches out in outside the insulation shell, and be connected with the electromagnetic coil grounding end of solenoid valve, the electromagnetic coil voltage input end connects the 12V positive source, solenoid valve is connected with valve body top, and between is installed seal ring and fixing card, the oiler and the oil outlet that connect about tubular valve body middle part has, the overfolw hole and the return opening that connect about the bottom has, electromagnetism valve actuation iron withstands downwards and oiler, oil outlet, the top of the overflow hole that overfolw hole and return opening communicate, valve inner bottom has the hole that communicates with overfolw hole and return opening, pressure regulating screw is cooperated in the hole therewith by the valve body bottom, pass overfolw hole and return opening, upwards withstand the bottom of overflow hole, pressure regulating screw is installed nut from the bottom to top respectively, gland and seal ring.

The utility model has the advantages that:

Because the utility model is added in oil transportation channel and the drainback passage, the operating handle of electromagnetic valve switch links to each other with the acceleration cable of automobile, when throttle is stepped on, just can easily realize pulling out of operating handle, the power supply of solenoid valve is disconnected, electromagnetism valve actuation iron ejects, thereby stops up overflow hole, keeps the injection pressure of automobile; On the contrary, when throttle lifted, operating handle was pushed into, the power of electromagnetic valve conducting, and electromagnetism valve actuation iron picks up, thereby opens overflow hole, and the injection pressure of automobile is reduced.This design decision start and normal fuel injection when quickening, the control fuel injection quantity suitably reduces when idling and high speed, so reach the purpose of fuel-economizing.

Description of drawings

Fig. 1 is the utility model electromagnetic valve switch part-structure schematic representation;

Fig. 2 is the structural representation of the utility model solenoid valve and valve body part.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

By Fig. 1 one Fig. 2 as can be known, the utility model stretches out in outside the insulation shell 17 in operating handle 18 upper ends, and link to each other with engine throttle, its middle part has big disk, be stuck in the cavity of insulation slide block 20, the bottom of elastic conducting strip 19 is withstood in its lower end, the top of elastic conducting strip 19 and elastic conducting strip 23 is stuck in the both sides of insulation slide block 20 respectively, the top of electric conductor 22 and elastic conducting strip 23 conductings, its underpart stretches out in outside the insulation shell 17, connect the 12V power cathode, the top of electric conductor 21 and elastic conducting strip 19 conductings, its underpart also stretches out in outside the insulation shell 17, and be connected with the electromagnetic coil grounding end 2 of solenoid valve 1, electromagnetic coil voltage input end 3 connects the 12V positive source, solenoid valve 1 is connected with valve body 14 tops, and between is installed seal ring 16 and fixing card 4, the oiler 15 and the oil outlet 6 that connect about tubular valve body 14 middle parts have, the overfolw hole 13 and the return opening 8 that connect about the bottom has, electromagnetism valve actuation iron 5 withstands downwards and oiler 15, oil outlet 6, the top of the overflow hole 7 that overfolw hole 13 and return opening 8 communicate, valve body 14 interior bottom portion have the hole that communicates with overfolw hole 13 and return opening 8, pressure regulating screw 12 is cooperated in the hole therewith by valve body 14 bottoms, pass overfolw hole 13 and return opening 8, upwards withstand the bottom of overflow hole 7, pressure regulating screw 12 is installed nut 11 from the bottom to top respectively, gland 10 and seal ring 9.

Oiler 15 of the present utility model connects oil pump and comes oil pipe, oil outlet 6 Bunker of Redelivery nozzle pipes, and return opening 8 connects reflow pipe, and overfolw hole 13 takes back fuel tank.

By above structure as can be seen, the motion of electromagnetism valve actuation iron 5 is by solenoid valve 1 control, and the power supply of solenoid valve 1 is by operating handle 18 controls.Lacing wire links to each other operating handle 18 with throttle, so when stepping on the throttle, operating handle 18 is drawn out, elastic conducting

strip

19,23 disconnects, and power of electromagnetic valve is cut off, and electromagnetism valve actuation iron 5 ejects, and with overflow hole 7 sealings, it is normal that the automobile injection pressure keeps; When gas lifted, operating handle 18 was pushed into, and elastic conducting

strip

19,23 is connected, solenoid valve work, and the moving iron 5 of electromagnetism is picked up, and overflow hole is opened, and the injection pressure of automobile is reduced, thereby realizes the purpose of fuel-economizing.

Claims

1. fuel pressure regulator, comprise operating handle (18), it is characterized in that: operating handle (18) upper end stretches out in outside the insulation shell (17), and link to each other with engine throttle, its middle part has big disk, be stuck in the cavity of insulation slide block (20), the bottom of elastic conducting strip (19) is withstood in its lower end, the top of elastic conducting strip (19) and elastic conducting strip (23) is stuck in the both sides of insulation slide block (20) respectively, the top of electric conductor (22) and elastic conducting strip (23) conducting, its underpart stretches out in outside the insulation shell (17), connect the 12V power cathode, the top of electric conductor (21) and elastic conducting strip (19) conducting, its underpart also stretches out in outside the insulation shell (17), and be connected with the electromagnetic coil grounding end (2) of solenoid valve (1), electromagnetic coil voltage input end (3) connects the 12V positive source, solenoid valve (1) is connected with valve body (14) top, and between is installed seal ring (16) and fixing card (4), the oiler (15) and the oil outlet (6) that connect about tubular valve body (14) middle part has, the overfolw hole (13) and the return opening (8) that connect about the bottom has, electromagnetism valve actuation iron (5) withstands downwards and oiler (15), oil outlet (6), the top of the overflow hole (7) that overfolw hole (13) and return opening (8) communicate, the hole that valve body (14) interior bottom portion has and overfolw hole (13) and return opening (8) communicate, pressure regulating screw (12) is cooperated in the hole therewith by valve body (14) bottom, pass overfolw hole (13) and return opening (8), upwards withstand the bottom of overflow hole (7), pressure regulating screw (12) is installed nut (11) from the bottom to top respectively, gland (10) and seal ring (9).