CN2089531U

CN2089531U - Complex oil saving device of automobile

Info

Publication number: CN2089531U
Application number: CN 91214474
Authority: CN
Inventors: 董世聪
Original assignee: CHENGDU POWER SUPPLY BUREAU
Current assignee: CHENGDU POWER SUPPLY BUREAU
Priority date: 1991-05-07
Filing date: 1991-05-07
Publication date: 1991-11-27

Abstract

The utility model discloses a complex oil saving device for an automobile. The idling fuel supply and the separation and the engagement of the clutch are automatically controlled by the actions of a throttle pedal. Consequently, the oil consumption is lowered. The utility model has high automatic efficiency and has a perfect automatic security system; consequently, the utility model is safe in use. After the utility model is used, the automobile can save oil enforcedly without affecting the power performance of the automobile while the automobile is driven to run on various roads. The oil-saving ratio is up to about 36 % to 40 %. Consequently, the utility model is an ideal oil saving device for various automobiles.

Description

Complex oil saving device of automobile

The utility model relates to a kind of automobile fuel-economizing device, particularly relates to a kind ofly utilizing gas pedal action to end the idling fuel supply automatically and separating the gasoline-saving device that reaches the minimizing fuel consumption with engaging clutch automatically.

Unclamping that throttle slides is comparatively frequent normal driving behavior.According to statistics, on Ordinary Rd, unclamp throttle and slide and account for 1/3rd of total kilometres, if travel in mountain area road or misty rain, unclamping time and the number of times that throttle slides can be more.When motor turns round under above situation, suction is bigger, though this moment, closure was closed, but still some fuel oil because of the effect of the negative-pressure sucking that is subjected to motor and produces from idling outlet orifice and excessively oilhole be forced to suck motor, a small amount of burning produces waste gas, all the other fall with toxic emission, have both wasted oil plant, also befouling environment.Though having introduced a kind of degree of vacuum of utilizing input air to change carburetor throat, Chinese patent application CN85200469 reaches the fuel economizer of ending fuel feeding, but but it is to adopt the mechanical type manual operations to the control of input air, act of operation is frequent, and labor intensity is bigger.

As everyone knows, step on clutch slide also more remarkable than not stepping on clutch sliding fuel-economizing, but long-time artificial frequent movement, driver's labor intensity is also big, and often is difficult for persisting.

Given this, the purpose of this utility model provides a kind of by electric automatic control carburetor throat degree of vacuum, and also automatic simultaneously solenoidoperated cluthes separate and engage, thereby reach the fuel economizer that reduces fuel consumption.

The utlity model has the solenoid valve that is connected between carburetor throat and the engine intake manifold, the valve body of solenoid valve has the main aperture road that is complementary and communicates with carburetor throat and engine intake manifold, main aperture road side is provided with the bypass duct that communicates with the main aperture road, the valve body of solenoid valve is stretched at bypass duct one epitaxial lateral overgrowth, have the opening that can communicate with the bypass duct on the valve body extension part, solenoid valve is inherent to be provided with and electromagnetic core movable drain plug interlock and that the bypass opening road junction is played switching function with bypass bypass duct corresponding position; The solenoid valve electromagnetic core the other end is connected with the kinematic link with the iron core interlock, be connected to the suction valve and the outlet valve that slide with iron core on the kinematic link, the end of kinematic link is equipped with the iron core return spring, being connected with its air-flow on the valve body is to be subjected to suction valve to open and close the suction tude of control, also be connected to the tracheae that communicates with suction tude through suction valve on the valve body, be provided with the vent that communicates with tracheae and air-flow is controlled by the outlet valve switching in the described valve body, the asynchronous switching of suction valve and outlet valve, the other end of described suction tude and gas receiver are connected, the described tracheae the other end is connected with an automatic clutch driving pump, and the automatic clutch driving pump is connected with clutch linkage.When the solenoid valve electromagnetic coil is charged, leave the bypass opening road junction with the plug of electromagnetic core interlock, at this moment, from the air stream of solenoid valve upper shed place in a steady stream constantly in the inflow engine intake manifold of bypass duct, thereby change the negative pressure that carburetor throat is produced by engine running because of closed throttle, when being positioned at up and down trunnion internal pressure balance of closure, idling outlet orifice just stops oil spout; Meanwhile, moving of electromagnetic core, removed and the ponding of the suction valve of iron core interlock compressed air stream in the suction tude, from the pressurized air in the gas receiver in suction tude, tracheae enter the automatic clutch driving pump, the clutch linkage that rapid promotion is connected with the automatic clutch driving pump makes clutch separation.When the solenoid valve electromagnetic coil was not charged, electromagnetic core moved under the return spring effect, and the plug on the iron core stops up the bypass duct, has intercepted the air stream through valve body upper shed inflow engine intake manifold; Suction valve has also been intercepted the air-flow that enters tracheae from suction tude with moving of iron core, when suction valve plays ponding, outlet valve is opened, automatic clutch driving pump compressed air flows backwards through tracheae, discharge through valve body inner vent road again, cause with clutch that driving pump joins to engage automatically.

Above-mentioned automatic clutch driving pump by shell, be connected in the rubber cup on the outer casing inner wall and form with the catch bar of the band spring of rubber cup interlock, catch bar is connected with clutch linkage.

Between above-mentioned automatic clutch driving pump and tracheae, be connected to the automatic clutch delay unit, this delay unit has shell, on the end face that joins with the automatic clutch driving pump of shell, be provided with opening, the movable air valve that is equipped with band one-way sealing circle on the opening, air valve is connected to pressure spring on the inner, is provided with bigger main exhaust hole of bore and the less delayed exhaust hole of bore in the air valve.When electromagnetic valve coil is charged, INO, pressurized air is in suction tude, tracheae enter the delay unit shell, the main exhaust hole of delayed device, one-way sealing circle and delayed exhaust hole are poured in the automatic clutch driving pump again, promote rubber cup rapidly, make the catch bar that links with rubber cup drive clutch linkage, clutch just separates rapidly, vehicle free-wheel, thereby fuel-economizing; When electromagnetic valve coil is not charged, suction valve cuts out, outlet valve is opened, vent in the main exhaust hole of the delayed device of automatic clutch driving pump compressed air, tracheae, the valve body is discharged, the rubber cup returning quickly is when clutch is half-clutch state, and rubber cup is just closed the main exhaust aperture of delay unit, and the driving pump compressed air is slowly discharged by the very little delayed exhaust hole of bore again, make clutch slowly engage, the speed of a motor vehicle thereby balance.

In the solenoid controlled circuit of above-mentioned solenoid valve, be in series with throttle and unclamp, depress action and be coil enable switch closed, off state respectively, make unclamping and depress the action venting and the ventilation of the open and close in control electromagnetic valve bypass aperture and outlet valve, suction valve automatically with throttle.

In the solenoid controlled circuit of above-mentioned solenoid valve, also be in series with the Gear-shift switch that when gear shift is moved, is off state, Gear-shift switch is a normally closed switch, also be connected in series with enable switch, when doing the gear shift action, the driver can not add any action, electromagnetic valve coil is outage automatically just, and fuel economizer excises automatically.

In the control circuit of above-mentioned solenoid valve, also be in series with guard relay, the coil of guard relay is connected in series with the foot brake switch or the park brake switch that are closed state with foot brake or hand brake action.When vehicle prominent chance urgency (as roadblock), foot brake that the driver has done or hand braking action, also can make the guard relay coil electricity, make security personnel contact disconnection in the guard relay, thereby make the solenoid valve outage, automatic clutch driving pump compressed air is through discharging with the outlet valve of iron core interlock, and clutch engages automatically.

In above-mentioned suction tude pipeline, be provided with three-way cock.The driver can be in advance (as lower long slope time) operation three-way cock, flow to the air-flow of automatic clutch driving pump in the excision suction tude, automatic clutch thereby excision automatically, and the bypass economizer system of control carburetor throat degree of vacuum is unaffected, as usual put into operation, motor is rotated under the situation of oil firing not, give resistance of vehicle, reduce the speed of a motor vehicle.

It is exactly to be connected to the return tube that communicates with the Carburetor inner chamber on Carburetor is positioned at the wall on oily plane that the utility model also has characteristics, the return tube the other end is connected on the fuel tank, the fuel tank upper end goes up to connect in addition sucking pipe, and the main aperture road of the sucking pipe the other end and above-mentioned electromagnetic valve body is connected.Too high the scattering and disappearing in a large number with the fuel tank steam of Carburetor pasta is a high factor of vehicle oil consumption, after having used above-mentioned return tube and sucking pipe, the Carburetor pasta remains constant: when the closure angle of release hour, the sucking pipe suction that communicates with engine intake manifold is big, siphon away oily vapours in the fuel tank, be used for burning, reduce tank pressure simultaneously, strengthen the backflow power of reflow pipe, the oil on high fuel-displaced plane in the Carburetor is sucked back rapidly in the fuel tank through reflow pipe, when high engine speeds, the closure angle of release is bigger, and sucking pipe suction reduces, and backflow speed is slower, fuel feeding abundance when guaranteeing high speed, and do not influence the power of motor.

The utlity model has following advantage:

1, automatically usefulness height, fuel-economizing are remarkable.This device reaction speed is fast, reliable in action, and after the use, vehicle travels on different kinds of roads, all can carry out automatic mandatory fuel-economizing, does not influence the power character of automobile, and fuel saving ratio reaches 36-40%.

2, safe in utilization.This fuel economizer design has perfect automatic protecting system: the installation of (1) gear shift excision switch, can excise fuel economizer automatically when making gear shift, and the gear shift fuel economizer that finishes is devoted oneself to work again automatically; (2), the installation of three-way cock on the suction tude, make the effect that can excise the automatic clutch system in case of necessity in advance; (3), the installation of the safety device formed by guard relay and foot brake, park brake switch, make the driver make foot brake or hand braking the time clutch can engage automatically in the short time (about 0.5 second), shorten stopping distance; (4), the required minimum operating air pressure of automatic clutch driving pump is 4Kg, when air pressure is lower than 4Kg (as lower long slope time may occur), the automatic clutch system also can excise automatically.

3, the utility model is rational in infrastructure, and is less to the dependence of driver's operating technology, is a kind of comparatively desirable vehicle oil saving device.

Further specify the utility model below in conjunction with drawings and Examples.

Fig. 1 is structure of the present utility model and circuit control principle figure

The comprehensive fuel economizer (see figure 1) of the utility model automobile, have to go up and be threaded with carburetor throat 1, the following solenoid valve 3 that is threaded with engine intake manifold 2, solenoid valve 3 has valve body 4, be embedded in electromagnetic coil 5 and slidable electromagnetic core 6 on the valve body, valve body 4 has the main aperture road 7 that communicates with trunnion 1 and intake manifold 2, main aperture road 7 sides have been opened bypass duct 8, have the opening 9 that communicates with bypass duct 7 on the valve body 4, being connected with on the front end of electromagnetic core 6 can be to the plug 11 of 10 switching functions in bypass opening road junction, on the opening on the valve body 49, be connected with (pipe clamp connection) bypass tube 12, terminate on the bypass tube 12 on the air-strainer 13, electromagnetic core is connected to kinematic link 14 on 6 rear ends, kinematic link 14 and iron core 6 interlocks, be connected with the outlet valve 15 and the suction valve 16 of asynchronous switching each other on the kinematic link 14, kinematic link is equipped with iron core return spring 17 on 14 rear ends, valve body is connected to suction tude 18 on 4 rear ends, suction tude 18 the other ends are connected on the gas receiver 19 that can communicate with the automobile inflating pump, be connected to three-way cock 20 on the suction tude 18, be provided with air inlet duct 21 and vent 22 in the valve body 4, the narrow orifice 23 in air inlet duct, the narrow orifice 24 of vent is subjected to suction valve 16 respectively, the control of outlet valve 15, be connected to the tracheae 25 that communicates with suction tude 18 through suction valve 16 on the valve body 4, tracheae 25 can communicate with vent 22 through outlet valve 15 again, the other end of tracheae 25 is connected on the automatic clutch delay unit 26, delay unit 26 is by shell 27, place the band one-way sealing circle 29 on the shell aperture 28 and be with the air valve 30 of pressure spring to constitute, have main exhaust hole 31 and delayed exhaust hole 32 in the air valve 30, opening 28 terminations of delay unit shell 27 have automatic clutch driving pump 33, driving pump 33 is by shell 34, the rubber cup 35 and the outwardly directed catch bar 37 of taking back a spring 36 of an end that are connected on the outer casing inner wall are formed, catch bar 37 and rubber cup 35 interlocks, the protruding end of catch bar 37 is connected with clutch linkage 38 driving pins.The utility model is positioned at place, oily plane at the wall of Carburetor 39, utilize original oily plane screw to be connected to joint 40, be connected to reflow pipe 41 on the joint 40, reflow pipe 41 lower ends join with joint above being welded in fuel tank 42 and communicate, fuel tank also is connected to joint 43 on 42 upper ends, be connected to sucking pipe 44 on the joint 43, sucking pipe 44 joins with the joint 45 that is installed on the valve body 4.

In the automatically controlled circuit A of the electromagnetic coil 5 of solenoid valve 3, be provided with the enable switch K1 that is threaded in the idling screw position, K1 is a normal open switch, be coupled in series in the line, (being threaded) Gear-shift switch K2 is installed on clutch pedal 46, Gear-shift switch K2 is a normally closed switch, in the line with enable switch K1 coupled in series, also be in series with guard relay 47 in the line, the coil 48 of guard relay 47 is coupled in series with foot brake K switch 3 or park brake switch K4, K3 and K4 parallel connection are equipped with fuel economizer main switch K5 in the whole automatically controlled circuit, K switch 5 is installed under the interior instrument desk of operator cabin.

Working principle when the utility model uses is: unclamp gas pedal 49, closure 50 is closed, promote enable switch K1 closure, 51 energisings of fuel economizer relay coil, the electromagnetic coil 5 of solenoid valve is charged, electromagnetic core 6 moves, draw back the obstruction use that plug 11(promptly removes 11 pairs of bypass apertures 10 of plug), air just enters cylinder from the bypass tube 12 of air-strainer 13 through the Carburetor outside below Carburetor, make the following very fast reduction of suction of closure, end the oil spout of idling outlet orifice, be inhaled into the air that just purifies of cylinder, thereby tangible oil-saving effect is arranged through empty filter; Electromagnetic core 6 do above-mentioned move backward in, open with the suction valve 16 of iron core 6 interlocks, outlet valve 15 is closed, pressurized air in the gas receiver 19 is gone in the automatic clutch driving pump 33 through the air valve 30 of three-way cock 20, suction tude 18, tracheae 25, delay unit 26, promote rubber cup 35, catch bar 37 drives clutch linkage 38, and clutch is separated rapidly, the vehicle free-wheel, from and fuel-economizing.The pedal 49 of stepping on the throttle, when just having opened with closure 50, promoting enable switch K1 disconnects, 51 outages of fuel economizer relay coil, the electromagnetic coil 5 of solenoid valve is not charged, and electromagnetic core 6 moves under the effect of iron core return spring 17, and the plug 11 on the iron core 6 stops up bypass aperture 10, be that the electromagnetism bypass is closed, Carburetor commences work without delay again; In electromagnetic coil 5 outages, when electromagnetic core 6 moves as return, suction valve 16 cuts out, and outlet valve 15 is opened, the main exhaust hole 31 of driving pump 33 compressed airs in air valve 30, tracheae 25, vent 22 in the valve body is emitted, rubber cup 35 returning quicklies just open and close the main exhaust hole 31 of air valve 30 when clutch is half-clutch state, air in the driving pump 33 per os is more slowly discharged from vent 22 through very little delayed exhaust hole 32, catch bar 37 moves as return with rubber cup 35 under spring 36 effect, cause clutch slowly to engage, vehicle speed thereby steady.When need were done the gear shift action, let slip the clutch 46 disconnected Gear-shift switch K2, and solenoid valve electromagnetic coil 5 cuts off the power supply automatically, fuel economizer excises automatically, after gear shift finishes, and electromagnetic coil 5 energisings, fuel economizer puts into operation again automatically.When needing the driver to make the brake behavior when travelling, foot brake that the driver makes or hand braking action can make foot brake K switch 3 or the closed energising of park brake switch K4, guard relay coil 48 is charged, thereby electromagnetic coil 5 is cut off the power supply automatically, outlet valve 15 is opened and suction valve 16 cuts out, 33 venting of automatic clutch driving pump force clutch to engage automatically at short notice, shorten stopping distance, guarantee vehicle safety.Need when travelling (as lower long slope time), the driver can be by operation three-way cock 20, cut off the air-flow in the suction tude 18, the automatic clutch system is excision automatically just, and the bypass economizer system of control trunnion degree of vacuum puts into operation as usual, motor is not being rotated under the oil firing situation, give resistance of vehicle, reduce the speed of a motor vehicle.

The utility model also has characteristics can also lean on constant Carburetor oil plane to come fuel-economizing exactly: when closure 50 angle of releases hour, sucking pipe 44 suction that communicate with engine intake manifold 2 are big, siphon away oily vapours in the fuel tank 42, be used for burning, reduce fuel tank 42 pressure simultaneously, strengthen the backflow power of reflow pipe 41, the oil footpath reflow pipe 41 on high fuel-displaced plane in the Carburetor 39 is sucked back rapidly in the fuel tank 42; When high engine speeds, closure 50 angle of releases are bigger, and sucking pipe 44 suction reduce, and reflow pipe 41 back-flow velocities are slower, guarantee the fuel feeding abundance, do not influence the power of motor.

If the utility model uses in the vehicle of hydraulic type brake, then need do suitable adjustment: (1) is communicated with gas receiver with engine intake manifold; (2) return spring of catch bar is loaded on delay unit one side in the automatic clutch driving pump, and rubber cup and catch bar are fixed together; (3) the air valve one-way sealing circle in the delay unit is inverted 180 °.In such cases, the utility model makes the work of automatic clutch driving pump by the motor pull of vacuum.

Claims

1, a kind of automobile fuel-economizing device, it is characterized in that it has the solenoid valve (3) that is connected between carburetor throat (1) and the engine intake manifold (2), the valve body of solenoid valve (4) has the main aperture road (7) that is complementary and communicates with carburetor throat (1) and engine intake manifold (2), main aperture road (7) side is provided with the bypass duct (8) that communicates with main aperture road (7), have the opening (9) that communicates with bypass duct (8) on the valve body of solenoid valve (4), solenoid valve (3) the inherent position corresponding with the bypass opening road junction is provided with electromagnetic core (6) and links, and bypass aperture (10) are played the movable drain plug (11) of switching function, the electromagnetic core of described solenoid valve (6) the other end is connected with the kinematic link (14) with the iron core interlock, be connected to suction valve (16) and outlet valve (15) on the kinematic link (14), the other end of kinematic link (14) is equipped with iron core return spring (17), be connected with the suction tude (18) that its air-flow is subjected to suction valve (16) open and close controlling on the described valve body (4), also be connected to the tracheae (25) that communicates with suction tude (18) through suction valve (16) on the valve body (4), be provided with in the described valve body (4) communicate with tracheae (25) and air-flow be subjected to the vent (22) of outlet valve (15) open and close controlling, the other end of above-mentioned suction tude (18) and gas receiver (19) are connected, above-mentioned tracheae (25) the other end is connected with an automatic clutch driving pump (33), and automatic clutch driving pump (33) joins with clutch linkage (38).

2, fuel economizer according to claim 1 is characterized in that the opening of opening (9) that can communicate with bypass duct (8) goes up to connect bypass tube (12) is arranged on valve body (4), the other end of bypass tube (12) can be connected on the air-strainer (13).

3, fuel economizer according to claim 1, it is characterized in that described automatic clutch driving pump (33) by shell (34), be connected in the rubber cup (35) on the outer casing inner wall and form with the catch bar (37) of the band spring (36) of rubber cup interlock, catch bar (37) is connected with clutch linkage (38).

4, fuel economizer according to claim 1, it is characterized in that between described automatic clutch driving pump (33) and tracheae (25), being connected to automatic clutch delay unit (26), this delay unit (26) has shell (27), on the end face that joins with automatic clutch driving pump (33) of shell (27), be provided with opening (28), opening (28) is gone up the air valve (30) that activity is equipped with band one-way sealing circle (29), be connected to pressure spring on the inner of air valve (30), be provided with bigger main exhaust hole (31) of bore and the less delayed exhaust hole (32) of bore in the air valve (30).

5, fuel economizer according to claim 1 is characterized in that being in series with in the solenoid controlled circuit of described solenoid valve with throttle and unclamps, depresses action and be coil enable switch (K1) closed, off state respectively.

6,, it is characterized in that in described solenoid valve control circuit, also being in series with the Gear-shift switch (K2) that is off state with the gear shift action as fuel economizer as described in claim 1 or 5.

7, be in series with guard relay (47), guard relay coil (48) and the foot brake switch (K3) or park brake switch (K4) coupled in series that are closed state with foot brake or hand brake action in the solenoid valve control circuit as described in it is characterized in that as arbitrary fuel economizer as described in the claim 1-5.

8, as fuel economizer as described in the claim 6, it is characterized in that being in series with in the described solenoid valve control circuit guard relay (47), the coil of Baoding relay (48) and the foot brake switch (K3) or park brake switch (K4) coupled in series that are closed state with foot brake or hand brake action.

9, as arbitrary fuel economizer as described in the claim 1-4 it is characterized in that as described in be provided with three-way cock (20) in suction tude (18) pipeline.

10, it is characterized in that on Carburetor (39) is positioned at the wall on oily plane, being connected to the return tube (41) that communicates with the Carburetor inner chamber as arbitrary fuel economizer as described in the claim 1-4, return tube (41) the other end is connected on the fuel tank (42), fuel tank (42) is connected to a sucking pipe (44) on the upper end in addition, and the main aperture road (7) of sucking pipe (44) the other end and described valve body (4) is connected.