CN201103437Y - Lubrication apparatus of two-stroke gas electro-jetting outboard machine - Google Patents

Abstract

The utility model relates to a lubricating device of a double-stroke and electric injection gas outboard engine which comprises a main jet, a hollow throat, a main air jet, a meter tubing, a foam line, a foam hole, a main nozzle, an auxiliary permeation jet, a permeation hole, an annular meter section and an oil well; the main jet is connected with a float chamber; the meter tubing is inserted into the foam line and a clearance is kept between the meter tubing and the foam line to form the annular meter section; the main nozzle arranged on the top of the foam line is led in the hollow throat; the meter tubing, under which the permeation hole is arranged, is connected with the auxiliary permeation jet; the foam hole is arranged on the foam line and the oil well connected with the main air jet is arranged on the corresponding position of the foam hole. In the lubricating device, petrol of certain proportion is taken as diluents and added into the oil and then lubricant is generated; the lubricant is completely atomized to lubricate the double-stroke and electric injection gas outboard engine, thus avoiding overheating of the cylinder and a piston caused friction, increasing the output power of the engine, guaranteeing the constant high-speed operation of the engine and prolonging the service life of the engine.

Description

The lubricating fitting of two-stroke gas electrojet outboard engine

Technical field

The utility model relates to the technical field of two-stroke gas electrojet outboard engine, is a kind of oiling agent fully can the atomizing specifically, and the lubricating fitting of lubricated two-stroke gas electrojet outboard engine is provided for two-stroke gas electrojet outboard engine.

Background technique

Motor provides the device of power, and its effect is to make to infeed fuel combustion wherein and send power.Motor is divided into petrol engine, diesel engine and gas engine by the fuel that uses.It is according to realizing that the circuit number of strokes may generally is divided into four stroke engine and two stroke engine two big classes.

The two stroke engine bent axle whenever revolves and turns around, and a power stroke is just arranged.Therefore, under the identical condition of factors such as rotating speed, inlet air conditions, the power that two stroke engine can produce should equal 1.5 to 1.7 times of power that the same swept volume four stroke engine produced.Because the two stroke engine power stroke is frequent, revolution need burn once, so each component heating degree of motor is more much higher than four stroke engine, and particularly piston friction is heated even more seriously, therefore, must guarantee lubricated to piston.Carburetor is to utilize the petrol engine charge air flow, and it is atomization process that the gasoline of sucking-off is blown out particulate, makes the area of contact of gasoline increase and air, and the parts of vaporizing rapidly, claims vaporizer again.The lubricated Mixed lubrication mode that adopts is in two-stroke gasoline engine: add a certain proportion of machine oil and form fuel combination in gasoline, miscella is atomized into particle through Carburetor then, stand the crankcase compression, gasoline is vaporized gradually, melt and dissolved machine oil in gasoline shortens littler particulate into, a part is suspended in the combustible gas, stand to discharge cylinder behind the partial combustion, the machine oil that a part adheres to the movement parts rubbing surface has played lubrication, the machine oil that adheres to non-rubbing surface is brushed by air-flow, have the part splash, all the other along wall gradually slippage go into cylinder, remove cylinder, piston set has outside certain lubrication, is sent forth by scavenging stream again.Under various operating modes, petrol engine is 35: 1 to the requirement of machine oil consumption, is about 50: 1 during middling speed.

But during owing to the two-stroke gasoline engine ventilation, some inflammable gas is together discharged with waste gas, so the pollution of exhaust emissions is relatively serious.For the water surface ship of tourist district, if adopt the two-cycle gasoline outboard machine, the effluent of tail gas directly contacts with water, then is difficult to cleaning more, and then causes water pollution.Therefore, adopt the two-stroke gas electrojet outboard engine of the fuel that cleans more just to be fit to be used in the ship in the tourism zone more, two-stroke gas electrojet outboard engine is a fuel with liquefied petroleum gas (LPG) or compressed natural gas, can reduce to the pollution of tail gas minimum.

Because two-stroke gas electrojet outboard engine adopts the fuel supply system different with the two-cycle gasoline outboard machine, therefore can not in fuel, add machine oil, can only be in order to reach lubrication with in the machine oil direct cylinder injection, but its atomizing effect is bad behind the machine oil direct cylinder injection, can not guarantee that machine oil is evenly attached on the cylinder inner wall, it is fully lubricated that this just makes cylinder piston can not get, and causes the piston friction aggravation of being heated, and component wear is serious.And because the machine oil atomizing effect is bad, burning back residue is more, wearing and tearing that equally also can acceleration components.

Summary of the invention

The technical problems to be solved in the utility model provides and a kind ofly oiling agent fully can be atomized, the lubricating fitting of lubricated two-stroke gas electrojet outboard engine is provided for the two-stroke electric spray outboard machine that acts as a fuel with gas.

The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is:

The lubricating fitting of two-stroke gas electrojet outboard engine of the present utility model comprises: main jet, trunnion, primary air metering-orifice, metering oil pipe, foam tube, foam hole, main nozzle, auxiliary permeation metering-orifice, air bleed, ring-type metering cross section and oil well; Main jet is connected with float chamber, the metering oil pipe is inserted in the foam tube and leaves the gap to each other and forms ring-type metering cross section, the foam tube upper end is provided with main nozzle, main nozzle feeds in the trunnion, the metering oil pipe is connected with auxiliary permeation metering-orifice, in metering oil pipe lower end air bleed is set, and has the foam hole on the foam tube, in relevant position, foam hole oil well is set, oil well is connected with the primary air metering-orifice.

The utility model can also adopt following technical measures:

Described auxiliary permeation metering-orifice is made up of auxiliary permeation metering-orifice of one-level and the auxiliary permeation metering-orifice of secondary.

Described air bleed position is below the foam hole site.

Described main nozzle and foam tube can be formed in one.

Described main nozzle can be parts independently, and it is fixed on the foam tube upper end.

In the main nozzle outlet port secondary jet pipe is set, the secondary jet pipe is installed in the trunnion.

Described secondary jet pipe can be formed in one.

Advantage and the good effect that the utlity model has are:

The utility model uses a certain proportion of gasoline to add to as thinner and forms oiling agent in the machine oil, lubricating fitting by two-stroke gas electrojet outboard engine fully atomizes oiling agent, for the two-stroke outboard engine that acts as a fuel with gas provides lubricated, avoid the cylinder and piston friction overheated, make bent axle and bearing shell obtain sufficient lubrication, improve the output power of motor, guarantee the running of motor continuous high speed, improved the operating life of motor.

Description of drawings

Fig. 1 is the sectional view of the lubricating fitting of the utility model two-stroke gas electrojet outboard engine;

Fig. 2 is the sectional view of the lubricating fitting of the utility model two-stroke gas electrojet outboard engine of adopting the secondary jet pipe;

Fig. 3 is the sectional drawing in ring-type metering cross section in the lubricating fitting of the utility model two-stroke gas electrojet outboard engine.

Critical piece symbol description in the accompanying drawing:

1: main jet 2: foam tube

3: metering oil pipe 4: primary air metering-orifice

5: one-level is assisted permeation metering-orifice 5 ': secondary is assisted the permeation metering-orifice

6: ring-type metering cross section 7: foam hole

8: air bleed 9: oil well

10: main nozzle 11: trunnion

12: the secondary jet pipe

Embodiment

Followingly the utility model is described in detail with reference to drawings and Examples.

Fig. 1 is the sectional view of the lubricating fitting of the utility model two-stroke gas electrojet outboard engine; Fig. 3 is the sectional drawing in ring-type metering cross section in the lubricating fitting of the utility model two-stroke gas electrojet outboard engine.

As Fig. 1, shown in Figure 3, the lubricating fitting of the utility model two-stroke gas electrojet outboard engine mainly comprises: main jet 1, trunnion 11, primary air metering-orifice 4, metering oil pipe 3, foam tube 2, foam hole 7, main nozzle 10, auxiliary permeation metering-orifice, air bleed 8, ring-type metering cross section 6 and oil well 9; Main jet 1 is connected with float chamber (not shown), metering oil pipe 3 is inserted in the foam tube 2 and leaves the gap to each other and forms ring-type metering cross section 6, foam tube 2 upper ends are provided with main nozzle 10, main nozzle feeds in the trunnion 11, auxiliary permeation metering-orifice is made up of auxiliary permeation metering-orifice 5 of one-level and the auxiliary permeation metering-orifice 5 ' of secondary, metering oil pipe 3 is connected with the auxiliary permeation metering-orifice 5 ' of secondary, in metering oil pipe 3 lower ends air bleed 8 is set, have foam hole 7 on the foam tube 2, in relevant position, foam hole oil well 9 is set, oil well 9 is connected with primary air metering-orifice 4.

During two-stroke gas electrojet outboard engine work, oiling agent flows out from float chamber (not shown), injection device from main jet 1, simultaneously by also bubbling air in device in the primary air metering-orifice 4, the air that enters from primary air metering-orifice 4 arrives oil well 9, and passing the foam hole 7 that is arranged at foam tube 2 lower ends, to enter into the gap that forms between foam tube 2 and the metering oil pipe 3 be ring-type metering 6 places, cross section, in the gap of foam tube and metering oil pipe, oiling agent and air mixing form mixture together.Foam hole 7 makes oiling agent form foam, makes it to increase the area that contacts volatilization with air, and the vaporific particulate that becomes after the foam breakdown has promoted oiling agent and Air mixing.In addition, other has air to be injected into metering oil pipe 3 from the auxiliary permeation metering-orifice 5 ' of the auxiliary permeation metering-orifice 5 process secondarys of one-level, and this part air sees through air bleed 8 and enters into foam tube and the gap of measuring oil pipe then.Because air bleed 8 positions are in the below of 7 positions, foam hole, from the air bleed leaked-in air gap in-lubricant and primary air metering-orifice are injected Air mixing deposits yields impetus, mixture is injected in the trunnion 11 by the main nozzle 10 that is arranged at the setting of foam tube upper end.Main nozzle 10 is formed in one with foam tube 2 in the present embodiment.

Outboard machine is in intake stroke, because the gas flow rate maximum of trunnion 11 parts, the static pressure of trunnion part is less than atmospheric pressure, that is to say between trunnion throat and the float chamber and produced pressure difference, therefore partly there is degree of vacuum in trunnion, and oiling agent and air mixture are injected in the trunnion along cyclic rings shape metering cross section under the effect of degree of vacuum, and the oiling agent of ejection is promptly broken up by high velocity air, the vaporific grain that weeds that formation is differed in size is promptly finished atomization process.Oiling agent after this atomizing enters the firing chamber of cylinder immediately, invests cylinder surface and plays lubrication.

Fig. 2 is the sectional view of the lubricating fitting of the utility model two-stroke gas electrojet outboard engine of adopting the secondary jet pipe.

As shown in Figure 2, for oiling agent is atomized when flowing into trunnion fully, obtain lubrication effect better, be provided with secondary jet pipe 12 in the outlet port of main nozzle 10, secondary jet pipe 12 is installed in the trunnion 11, main nozzle 10 is parts independently in the present embodiment, it is fixed in foam tube 2 upper ends, oiling agent is injected in the secondary jet pipe by main nozzle, carry out the atomizing first time at secondary jet pipe place oiling agent, can be subjected to the impact of air-flow when the oiling agent of atomizing for the first time is in flowing into trunnion, finish further mixing and atomization process, increased the crushing effect of oiling agent.The secondary jet pipe can be formed in one, and fixes with main nozzle 10.

Match with the lubricating fitting of two-stroke gas electrojet outboard engine, the oiling agent that is used for the lubricating fitting of above-mentioned two-stroke gas electrojet outboard engine, the main component of oiling agent is: gasoline and machine oil, gasoline is added in the machine oil as thinner, and the volume that adds gasoline is 2.5 times of machine oil volume.

Claims (7)

1, a kind of lubricating fitting of two-stroke gas electrojet outboard engine is characterized in that: comprising: main jet, trunnion, primary air metering-orifice, metering oil pipe, foam tube, foam hole, main nozzle, auxiliary permeation metering-orifice, air bleed, ring-type metering cross section and oil well; Main jet is connected with float chamber, the metering oil pipe is inserted in the foam tube and leaves the gap to each other and forms ring-type metering cross section, the foam tube upper end is provided with main nozzle, main nozzle feeds in the trunnion, the metering oil pipe is connected with auxiliary permeation metering-orifice, in metering oil pipe lower end air bleed is set, and has the foam hole on the foam tube, in relevant position, foam hole oil well is set, oil well is connected with the primary air metering-orifice.

2, the lubricating fitting of two-stroke gas electrojet outboard engine according to claim 1 is characterized in that: auxiliary permeation metering-orifice is made up of auxiliary permeation metering-orifice of one-level and the auxiliary permeation metering-orifice of secondary.

3, the lubricating fitting of two-stroke gas electrojet outboard engine according to claim 1 is characterized in that: the air bleed position is below the foam hole site.

4, the lubricating fitting of two-stroke gas electrojet outboard engine according to claim 1 is characterized in that: main nozzle and foam tube can be formed in one.

5, the lubricating fitting of two-stroke gas electrojet outboard engine according to claim 1 is characterized in that: main nozzle can be parts independently, and it is fixed on the foam tube upper end.

6, the lubricating fitting of two-stroke gas electrojet outboard engine according to claim 1 is characterized in that: in the main nozzle outlet port secondary jet pipe is set, the secondary jet pipe is installed in the trunnion.

7, the lubricating fitting of two-stroke gas electrojet outboard engine according to claim 6 is characterized in that: the secondary jet pipe can be formed in one.

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