CN2270122Y - Gasoline economizing purifying device for automobile - Google Patents

Abstract

As the basis of not altering present oil supply system, the gasoline economizing purifying device for automobiles of the utility model arranges an electromagnetic valve oil supply and oil cut-off engine in an oil idling system. An automatic control circuit is connected in series between an original ignition switch and the electromagnetic valve. The automatic control circuit is composed of a commutation switch, an after-combustion switch, a relay and a crystal diode, and is also controlled by the ignition switch. The gasoline economizing purifying device for automobiles is an oil economizing device which realizes automatically control oil supply or oil cut-off. When a driver loosens an accelerator pedal, the engine is only admitted air in, not oil in and is not admitted discharging, so the gasoline economizing purifying device for automobiles thoroughly eliminates forced idling. When the driver treads the accelerator pedal, the engine immediately recovers normal work, and the gasoline economizing purifying device for automobile self recovers idling while in parking. The gasoline economizing purifying device for automobiles does not alter the original structure of the vehicle, and has low cost and convenient installation. The gasoline economizing purifying device for automobiles is suitable to all classes of automobiles.

Description

The automobile fuel saving purification plant

The utility model relates to a kind of fuel feeding control of engine fuel system, is applicable to various gasoline and diesel-engine vehicles.

In the available engine fuel feeding system, as " structure of imported auto and repairing " first volume that Hunan science tech publishing house publishes in March, 1992, suction twin barrel carburetor under the 74th～93 page the U.S. Si Telangbao; The 146th～162 page of Japanese employed rotor proportioning pump of the L of Toyota type diesel engine (VE type); " automobile construction " first volume that People's Transportation Press publishes in October, 1987, the EQH101 Carburetor of the 128th～132 page of homemade east wind 600Q-1 motor dress usefulness, the 198th～212 page of diesel-oil vehicle rotor proportioning pump and american commings PT Injection Pump etc., all be provided with the solenoid valve of fuel cut-off or stop oily backguy, solenoid valve is controlled by the hand control ignition switch, ignition switch closure, solenoid valve make oil circuit unimpeded, the oil supply system proper functioning; Ignition switch disconnects, and solenoid valve blocks fuel feeding, engine misses.The oily pull-button that stops of diesel engine also is by manual operation control, and its solenoid valve and to stop oily pull-button be to be switch-off prevents after-run and is provided with.Automobile is influenced by various factors under steam, and braking often occurs, turn, situations such as descending, this moment, automobile did not need motor that power output is arranged, and still fuel feeding and discharging under forced idling of motor.

For addressing the above problem, Chinese patent CN90202981.9 " automobile carburetor ventilation gasoline-saving device " proposes a kind of scheme, and it adopts and add solenoid valve in main oil supplying device, when needed main jet is blocked, and reaches the fuel-economizing purpose.Its deficiency is: electromagnetic valve switch needs manual control, has little time operation under complex situations sometimes, reduces oil-saving effect.

The purpose of this utility model is that proposition is a kind of in the normal vehicle operation process, and is manual separately again without the driver, and controls the gasoline-saving device of fuel feeding or oil-break automatically according to the needs that travel.

The purpose of this utility model is achieved in that and is not changing existing the supply on the basis that is, the driver is when operating mechanism and clutch operation are quickened in normal running, make the sensitive switch that is arranged on wherein be switched on or switched off the solenoid valve of controlling in the oil duct, make oil duct unimpeded or blocked, realize instantaneous oil-break or recover fuel feeding.

The utility model has the advantages that: fuel saving, guarantee driving safety, minimizing disposal of pollutants.

Accompanying drawing of the present utility model has:

Fig. 1 automobile fuel saving purification plant of the present utility model direct control type structural representation

The indirect controlling type structural representation of Fig. 2 automobile fuel saving purification plant of the present utility model

Below in conjunction with drawings and Examples automobile fuel saving purification plant of the present utility model is further described.

Fig. 1 has provided automobile fuel saving purification plant direct control type structural representation of the present utility model,

In idling oil system solenoid valve 13 is set, solenoid valve 13 realizes that by ignition switch 23 controls needle-valve 32 cooperates with fuel-economizing metering-orifice 15, makes idle fuel way 35 unimpeded or disconnections, the air jet 14 of idling oil system, and idle adjusting screw 21 grades all remain unchanged.The utility model is on the basis not changing existing fuel feeding, the automatic control circuit of between former igniting switch 23 and solenoid valve 13, having connected, and it is by reverser 34, and resume combustion switch 4 and relay 9 are formed, and are also controlled by ignition switch 23.To commutation switch 34, the automatic control circuit that resume combustion switch 4 and relay 9 are formed is described in detail below by connecting relation.At ordinary times, the push rod 26 of reverser withstands on the lever 27, and contact disk 25 makes and connects post 33 and connect post 37 and keep being communicated with.Spring 24 is when lever 27 leaves push rod 26, push away contact disk 25 disconnect connect post 33 after, connect post 30 and connect post 37 and connect.Resume combustion switch 4 is by reverser 34 controls, and at ordinary times, push rod 5 is withstood by clutch lever 2, is in off state.When lever 2 broke away from push rod 5, the resume combustion switch was switched under spring 7 effects.Relay 9 is by normally opened contact 8, contact point arm 10, and extension spring 11, support 12 positive and negatively connects post and coil is formed.The crystal diode 31 of between relay 9 and solenoid valve 13, having connected.Quickening operating mechanism is made up of accelerator pedal 28, push rod 29, lever 27, pull bar 22, return spring 16 etc., pull bar 22 is split into elliptical aperture 17 with the hole of throttle arm 18 hinge-coupled, formation is slidingly connected, and makes acceleration pull bar 22 and throttle arm 18 that the stroke of 3～5mm be arranged.Throttle arm 18 ends are position spring 36 once, and return spring 36 cooperates with extension spring 16 makes closure 20 keep closing, and spacing by adjusting screw 19.

Working procedure of the present utility model is as follows:

Connect ignition switch 23, stepping on accelerator pedal 28, push rod 29 clockwise rotates lever 27, and the restriction to push rod 26 is freed in its lower end, and spring 24 is upheld, pushing away contact disk 25 moves to left to disconnect and connects post 33, make to connect post 30 and connect post 37 connections, electric current is through ignition switch 23, and the post 30 that connects of reverser 34 makes solenoid valve 13 work, needle-valve 32 is opened fuel-economizing metering-orifice 15, makes logical 35 normal fuel injections of idling oil.Because the unilateral conduction effect of diode 31, the coil of relay 9 is not worked.Meanwhile, quicken pull bar 22 extension spring 16 that moves to left and stretch, throttle arm 18 is because the effect of elliptical aperture 17, and closure 20 is still closed, and fuel feeding system is in idling operation, engine idling operation.Continue to put one's foot down 28, pull bar 22 moves to left, and throttle arm 18 lower end coupling shafts and elliptical aperture 17 right-hand members are joined, pull bar 22 continues to move to left, draw throttle arm 18 to force closure 20 to be opened gradually clockwise, motor gradually by low speed to high speed operation, extension spring 36 is stretched.When automobile when descending, braking etc. need to receive oil, loosen accelerator pedal 28, spring 16 pull bars 22 return that moves to right, screw 19 restrictions are closed and be limited to closure 20 under extension spring 36 effects; The pull bar 22 tie-bar bar 27 that continues to move to right rotates counterclockwise, and lower end penetrator ram 26 moves to right and pressure spring 24, and contact disk 25 disconnects and connects post 30 to till connect post 33.Thereby solenoid valve 13 is not worked, and needle-valve 32 is blocked fuel-economizing metering-orifice 15, oil duct 35 fuel cut-offs.This moment, motor rotated with power train but fuel feeding not.Spring 16 pull bars 22 make elliptical aperture 17 left ends contact with throttle arm 18 simultaneously.At this moment,, step on accelerator pedal 28 again, move the same if need intermittent advance.If need the parking idling work or hang neutral gear, the driver is when depressing clutch pedal 1, lever 2 return spring 6 that rotates counterclockwise and stretch, the control to push rod 5 is freed in lever 2 upper ends, resume combustion switch 4 is connected, and electric current is through ignition switch 23, reverser (34) connect post 33, relay 9+meet "-" that post, resume combustion switch 4 reach relay 9 to connect post, this moment, electric current entered relay coil generation suction on the one hand, made contact 8 closed and extension springs 11.Electric current enters solenoid valve 13 through diode and produces suction on the other hand, makes needle-valve 32 open fuel-economizing metering-orifice 15, recovers normal fuel injection.The clutch free travel (in 30～40mm) by, still do not rotate because of out of supply in motor with power train, igniting system recovers the normal fuel injection rear engine and recovers normal idling immediately all the time in work.Be clutch when also not separating, oil duct has recovered normal fuel injection and idle running.After clutch lever 2 overcomes free travel, then push away clutch push rod 3 and make clutch separation, this moment, motor recovered idling, can not stop working again.After having hung neutral gear or parking, pedal 1 lets the clutch be slipped, lever 2 clockwise rotates under the effect of return spring 6, force push rod 5 to move to right resume combustion switch 4 is disconnected, because contact 8 is closed when resume combustion switch 4 disconnects, electric current still just connects post through relay 9, contact 8, contact point arm 10, "-" of support 12 connects the coil that post enters relay 9, holding contact 8 closures, simultaneously electric current also just connects post through relay 9, contact 8, contact point arm 10, "-" of support 12 connects post and continues to flow into solenoid valve 13 through diode, fuel-economizing metering-orifice 15 is held open and makes oil duct keep uninterrupted fuel feeding and be unlikely to flame-out.Having only ought be once more to put one's foot down 28, push rod 26 move to left make connect post 33 outages after, coil suction disappears, contact 8 just disconnects under the effect of extension spring 11, but disconnects when connecing post 33, contact 30 is switched on again, engineering process begins again.So repeatedly, control oil duct fuel feeding or oil-break automatically, the The whole control circuit is by ignition switch 23 controls.

The new automobile oil-saving purifier of present embodiment is applicable to various gasoline and diesel engine.

Second embodiment of the present utility model controls the oil duct device indirectly.The control of its fuel feeding or oil-break is to be that external control is realized by fuel feeding, by numerous diesel-oil vehicles are used, as shown in Figure 2, and diesel-engined vehicle, when pulling stopped oily backguy 39, motor stopped oil immediately and stops working, and puts back to and then recovers normal fuel injection.Second embodiment of the present utility model is exactly on this basis, uses tractive magnet to utilize original oily backguy 39 that stops, and makes its fuel feeding or oil-break.It makes outside Injection Pump 43 fuel feeding or the oil-break by tractive magnet 42 except replace first embodiment's solenoid valve 13 with tractive magnet 42.Other and previous embodiment are basic identical, and different is to stop in the oily backguy 39 lever 40 and tractive magnet 42 being set.Tractive magnet 42 is accepted and the identical control circuit control of first embodiment, when tractive magnet 42 energisings, pull bar 41 tie-bar bars 40 rotate, and extension spring 38, the pulling that moves to right of lever 40 lower ends stops oily backguy 39 and the Injection Pump fuel feeding is stopped and stop working, and motor still rotates but only advances not oil-feed of air at this moment, and oil transfer pump is still worked, when fuel transfer pressure surpassed steady state value, fuel oil flowed back to fuel tank or oil transfer pump filler opening by original oil return system by return tube.After tractive magnet 42 outage, under the effect of extension spring 38, lever 40 lower ends move to left, and loosen and stop oily backguy 39, and Injection Pump 43 is fuel feeding and make motor recover to run well immediately.

The utility model has the advantages that:

1, to all not required power output, such as gear shift, moment is received oil deceleration and braking etc. can be voluntarily Fuel cut-off and fuel-economizing stop discharging simultaneously, reduce and pollute.

2, improve traffic safety, particularly during descending, cut off fuel feeding voluntarily and both guaranteed braking ability, Fuel feeding does not discharge again. To the automobile of vacuum booster unit is arranged, effect is more obvious.

3, behind the cut-out fuel feeding, a large amount of air flow through cylinder, and the cleaning exhaust gas inside cylinder is favourable to improving cylinder combustion.

4, the same with normal driving, do not need operation bidirectional, can fully automatic working.

5, be applicable to various types of vehicles, easy for installation, simple in structure, cost is low, and is highly sensitive.

6, do not change primary car structure, do not influence installing and using of other fuel economizer.

Claims (2)

1. automobile fuel saving purification plant, it is characterized in that: the automatic control circuit of between original oil supply system ignition switch (23) and solenoid valve (13), connecting, it is by reverser (34), resume combustion switch (4), relay (9) and crystal diode (31) are formed, also control by ignition switch (23), the post (37) that connects of reverser (34) is concatenated into ignition switch (23), connect post (33) and receive "+" terminal of relay (9), connect post (30) and receive "+" terminal of solenoid valve (13), reverser (34) is quickened operating mechanism lever (27) control, spring (24) control push rod (26) contacts with lever (27), under the acting in conjunction of spring (24) and lever (27), drive contact disk (25) and realize connecing the break-make of post (33) and (30), "+" terminal of resume combustion switch (4) are received "+" terminal of relay (9), "-" terminal are received "-" terminal of relay (9), clutch lever (2) and spring (7) control push rod (5) are realized the break-make of resume combustion switch (4), "-" terminal of relay (9) are received the positive pole of crystal diode (31), and crystal diode (31) negative pole is received "+" terminal of solenoid valve (13).

2. automobile fuel saving purification plant according to claim 1, it is characterized in that: described solenoid valve (13) is a tractive magnet (41), pull bar (40) pulling or the trip lever (39) of tractive magnet (41), lever (39) spurs or loosens and stop oily backguy (38), makes Injection Pump (42) oil-break or fuel feeding.

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