CN201386581Y

CN201386581Y - Motorboat power engine

Info

Publication number: CN201386581Y
Application number: CN200920154519U
Authority: CN
Inventors: 应晶晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-15
Filing date: 2009-05-15
Publication date: 2010-01-20
Anticipated expiration: 2019-05-15

Abstract

The utility model discloses a motorboat power engine, which comprises an engine body, a crankshaft linkage mechanism, a distribution mechanism, a lubrication mechanism, a fuel supplying mechanism, a cooling mechanism, a starting mechanism, an ignition mechanism and a muffler. The output axis distance, namely the distance from the axis of the crankshaft linkage mechanism to the bottom of an oil pan, is less than 140 mm; and an oil filter of the lubrication mechanism faces to the rear part of a flywheel. In the utility model, since the height of the oil pan is reduced, the mounting direction of the oil filter is changed, a horizontal-type intake manifold is adopted to reduce the height of a transversal intake manifold, a water-cooled exhaust pipe is connected with the muffler in water-cooled flexible manner, and the variable speed drive is changed into the direct drive, a K14B engine can be better equipped on the motorboat. The utility model can serve as a waterborne power device of the motorboat.

Description

The motor boat power engine

Technical field

The utility model relates to a kind of internal-combustion piston engine, a kind of specifically motor boat power engine.

Background technique

Motor is made up of following parts at present:

1, body--cylinder block, cylinder head, oil sump and various end cap.

Effect: be the installation basis of each mechanism of motor, system, and the mass part of itself is the constituent element of each mechanism, system.

2, connecting rod--bent axle, connecting rod, connecting rod small-end bearing, piston, piston ring, connecting rod bearing, crankshaft bearing, flywheel, crankshaft timing gear, damper pulley.

Effect: the pressure promotion piston that fuel burn produce in cylinder, heat energy is transformed into kinetic energy, with the straight reciprocating motion of piston, be transformed into rotatablely moving of bent axle and outputting power.

3, distribution device--valve, valve spring, valve tappet, valve actuating push rod, rocking arm, pitman arm shaft, camshaft, and camshaft timing gear.

Effect: be to make inflammable mixture or air pour cylinder in good time, and the waste gas that burning back in the cylinder produces is discharged by the needs of engine operation.

4, lubricating structure--oil pump, sump strainer, primary oil filter, secondary oil filter, oil duct, pressure-limit valve.

Effect: by oil pump the machine oil in the oil sump is produced certain pressure and by oil duct with the dynamic friction surface of oil delivery to each parts, reduce friction resistance and wearing and tearing are cooled off simultaneously and are cleaned friction surface.

5, fuel supply mechanism--carburetor engine is made up of petrol tank, petrol pump, Carburetor, oil filter, air-strainer, intake manifold, gas exhaust manifold; ECI electronic control injection formula motor is made up of petrol tank, electric fuel pump, gasoline filter, and diesel engine is made up of diesel fuel tanks, oil transfer pump, diesel-oil filter, Injection Pump, high-pressure oil pipe, oil nozzle, air-strainer, intake manifold, gas exhaust manifold

Effect: the fuel that cleaning in time is provided to motor.

6, cooling mechanism--radiator, water pump, cooling jacket, thermostat, fans.

Effect: under the water pump effect, make the water cycle in the cooling mechanism, the heat on the hot parts is taken away and cooled off, the heat in the cooling water is dispersed in the atmosphere, make the temperature of motor remain on normal range of operation by radiator.

7, starting mechanism--storage battery, actuating motor, switch starter, starter relay, flywheel ring gear.

Effect: the effect by starter motor makes motor enter moving commentaries on classics state by state of rest.

8, ignition mechanism--storage battery, ignition switch, spark coil, distributor, circuit breaker, high voltage wire, spark plug.

Effect: the requirement by engine operation makes the motor proper functioning at the indoor compressed inflammable mixture of timely ignition combustion of the moment of regulation.

The K14B motor of prosperous river Suzuki is that the air displacement of being developed by Japan Suzuki Co., Ltd. is 1, the up-to-date small-sized vehicular engine in the world of 372cc, DOHC16V, the existing sale on market at present.Because motor boat is two kinds of different traffic tool with automobile, so the at present domestic motor car engine that does not also have an a better performances can be mated motor boat or as water-powered.There are following four problems in present K14B engine modification when becoming by the motor boat power engine of K14B engine modification and method of modifying:

1, the axle center of K14B motor is 185mm to the distance of oil sump bottom, the output distance of shaft centers 140mm that surpasses motor boat, make the K14B motor can't be installed on the motor boat, in addition, the oil filter of K14B motor is according to downward in the motor bottom, if the K14B motor is installed on the motor boat, thereby then oil filter is stuck in the motor boat and can't changes.

2, the intake manifold of K14B motor is vertical installation, and it highly surpasses the installation position of motor boat.

3, the K14B waste pipe may be because the high-temperature gas of discharging causes the motor boat spontaneous combustion in the cabin of sealing.

4, the K14B motor is owing to have a variable speed drives, when driving at first by forwarding to more at a slow speed fast, thereby make the motor can't directly speed-raising fast on motor boat.

The model utility content

The purpose of this utility model provides a kind of motor boat power engine by the K14B engine modification, makes K14B after the repacking start function to be installed on the motor boat and oil filter also is convenient for changing.

Another purpose of the present utility model provides a kind of motor boat power engine by the K14B engine modification, makes the horizontal intake manifold of the K14B motor after the repacking can reach the requirement of motor boat installation position.

Another purpose of the present utility model provides a kind of motor boat power engine by the K14B engine modification, makes the K14B waste pipe after the repacking can not cause the motor boat spontaneous combustion in the cabin of sealing.

Another purpose of the present utility model provides a kind of motor boat power engine by the K14B engine modification, makes the K14B after the repacking start function speed-raising fast on motor boat.

The technological scheme that its technical problem that solves the utility model adopts is:

The motor boat power engine comprises body, connecting rod, distribution device, lubricating structure, fuel supply mechanism, cooling mechanism, starting mechanism, ignition mechanism, silencing apparatus; It is below the 140mm that distance of shaft centers is promptly exported to the distance of oil sump bottom in the axle center of connecting rod, the oil filter of lubricating structure is towards the rear of flywheel, and set up an oil filter commutator in the oil filter back of fuel supply mechanism, this oil filter commutator has a pedestal, two coherent through holes, four screw holes.

The intake manifold of the suction tude of described fuel supply structure is welded into relative body direction and becomes horizontal intake manifold or can be described as horizontal intake manifold, and the height of this intake manifold is less than 80mm.

The outlet pipe interlayer that water intake is arranged on the gas exhaust manifold of described fuel supply mechanism and be communicated with water intake.

Adopt the parts that are flexible coupling to be flexible coupling between described gas exhaust manifold and the silencing apparatus.

On the flywheel of described body flange plate is installed.

The beneficial effects of the utility model are:

1, because the distance of axle center bottom the oil sump of connecting rod promptly exported distance of shaft centers is below the 140mm, meet the requirement of the installation position of motor boat, oil filter is towards the rear of flywheel simultaneously, be convenient for changing like this, thereby the K14B motor just can well be fixed on the motor boat.

2, because intake manifold is welded into relative body direction and becomes horizontal intake manifold, and the intake manifold of suction tude becomes lateral alignment with base, the horizontal intake manifold of K14B motor meets the installation position of motor boat like this.

3, since the outlet pipe of fuel supply mechanism to select for use water-cooled to replace air-cooled, even make under the condition that motor seals in the cabin also can safety work, avoided the generation of motor boat spontaneous combustion.

4, replace variable speed drives because flange plate is installed on the flywheel, can satisfy the quick demand for raising speed of motor boat like this.

Description of drawings

Fig. 1 is the schematic perspective view of specific embodiment;

Fig. 2 is an edge-on body schematic representation of specific embodiment;

Fig. 3 is the opposite side schematic perspective view of specific embodiment;

Fig. 4 is the perspective exploded view of specific embodiment;

Fig. 5 is the schematic perspective view of oil filter commutator among Fig. 1;

Fig. 6 is the schematic perspective view of suction tude among Fig. 1;

Fig. 7 is the schematic perspective view of outlet pipe among Fig. 1;

Fig. 8 is the plan view of Fig. 7;

Fig. 9 is the A-A sectional view of Fig. 8;

Figure 10 is the intake manifold schematic perspective view of K14B motor;

Figure 11 is the gas exhaust manifold schematic perspective view of K14B motor;

1. bodies among the figure, 11. intake manifold fitting seats, 2. oil sump, 3. oil filter, 4. oil filter commutator, 41. pedestals, 42. through holes, 43. screw holes, 5. suction tude, 51. intake manifold, 52. bases, 6. water-cooling exhaust pipe, 61. parts that are flexible coupling, 62. gas exhaust manifolds, 621. water intake, 622. outlet pipe interlayers, 623. apertures, 7. silencing apparatus, 8. flywheel, 9. flange plate.

Embodiment

Present embodiment is the improvement to the K14B motor, make the K14B motor can adapt on motor boat water-powered device as motor boat, because automobile is two kinds of different traffic tool with motor boat, so few people can expect repacking motor car engine into motorboat engine.The K14B motor of present embodiment and prosperous river Suzuki comprises body 1, connecting rod, distribution device, lubricating structure, fuel supply mechanism, cooling mechanism, starting mechanism, ignition mechanism, silencing apparatus equally; And the relation that each parts connects is also the same with the K14B motor.There is the place of repacking everywhere in the K14B motor of present embodiment and prosperous river Suzuki.

Please refer to Fig. 1 to Fig. 4, the place of first place of present embodiment repacking is to reduce the K14B engine shaft centre to the distance of oil sump 2 bottoms and change the installation direction of oil filter 3.Because the axle center that is installed in its connecting rod of power plant on the motor boat exports promptly to the distance of oil sump 2 bottoms that distance of shaft centers requires must be below 140mm, and K14B engine output shaft heart distance is 185mm.Therefore, if not making corresponding modification just can't be installed to the K14B motor on the motor boat, in addition, it is downward that the oil filter 3 of K14B motor is mounted in engine body 1 bottom, if do not change its towards, treat that motor is installed on the motor boat back oil filter 3 and just is stuck in and makes it to change in the motor boat.In order to solve above-mentioned two problems, at first the K14B engine shaft centre is changed into below the 140mm by 185mm to oil sump 2 distances from bottom, the K14B motor after the repacking just can be installed on the motor boat like this.In addition, be that the back of oil filter 3 has been set up an oil filter commutator 4 and made oil filter 3 change its installation directions between oil filter 3 and suction tude 5, change into towards the rear of body 1, be convenient for changing like this.Please refer to Fig. 5, this oil filter commutator 4 has a pedestal 41, two coherent through holes 42, four screw holes 43; Two coherent through holes 42 and four screw holes 43 are separately fixed on the pedestal 41; The through hole 42 in pedestal 41 fronts is used for junctor oil rectifier 3 relatively, and the through hole 42 of relative pedestal 41 sides is used to connect 51, four screw holes 43 of intake manifold and is used for oil filter commutator 4 is fixed on intake manifold 51.

The place of second place repacking of present embodiment is to adopt horizontal intake manifold 51 to replace former vertical intake manifold.Please refer to Figure 10, the suction tude of former K14B motor is vertical, and it highly surpasses about the 80mm of motor boat installation position, so the K14B motor after the repacking could be installed on the motor boat after it highly must being reduced.For this reason, at first excise former vertical intake manifold, utilize intake manifold fitting seat 11 parts on the body, intake manifold 51 is welded into relative body 1 direction to be become horizontal intake manifold 51 or can be described as horizontal intake manifold 51, the height of horizontal like this intake manifold 51 is less than 80mm, thereby meets installation requirement.Please refer to Fig. 6, the intake manifold 51 and base 52 lateral alignment of this suction tude 5.

The place of the 3rd place of present embodiment repacking is to adopt the water-cooling exhaust pipe 6 of unique design to replace former outlet pipe, and utilizes the parts 61 that are flexible coupling to reach the water-cooled purpose that is flexible coupling with silencing apparatus 7.Please refer to Figure 11, the outlet pipe that former K14B motor adopts is to utilize the natural wind cooling, it almost is in the cabin of sealing that yet motorboat engine is mounted in, if adopt former outlet pipe, then the High Temperature Gas cognition of outlet pipe discharge makes the very fast rising of temperature in the cabin, thereby the danger of motor boat nature might take place.In order to address this problem, to adopt water-cooling exhaust pipe 6 to replace former outlet pipe at this, and utilize water-cooled to replace air cooling.Please refer to Fig. 7 to Fig. 9, the outlet pipe interlayer 622 that four water intakes 621 is arranged on the gas exhaust manifold 62 of this water-cooling exhaust pipe 6 and be communicated with water intake, this suction tude interlayer is arranged between the inside and outside wall of gas exhaust manifold, and is hollow.Adopt branch's current of tap water shower nozzle boost pump, respectively by 4 water intakes 621 on the gas exhaust manifold 62, at process outlet pipe interlayer 622 cooling water channels, and branch two-way, the drain opening of leading up to is discharged, another road is ejected water smoke and is mixed with the gas that outlet pipe is discharged by 3 apertures 623 of interlayer to relief opening, thereby reduces the temperature of gas.In addition, in order to solve outlet pipe and silencing apparatus because long-term vibration produces the problem of fatigue fracture, and special between has been set up the parts 61 that are flexible coupling, these parts have extraordinary elasticity, because the gas of outlet pipe is lowered the temperature, thereby the parts that are flexible coupling can Yin Gaowen and damage.

Present embodiment the everywhere the place of repacking be to change former K14B motor variable speed drives into direct driving.The K14B motor has been installed speed changer in order to adapt to the needs of automobile variable speed on engine flywheel 8, but the needs of motor boat in order to raise speed fast, spy's direct mounting flange 9 on flywheel 8 replaces speed changers and directly drives boost pump.

The concrete method of modifying of present embodiment is:

1. remove gas exhaust manifold 62, intake manifold 51, oil sump 2, oil filter 3, sump strainer assembly on the former K14B motor.

2. protrude partly excision oil sump 2 parts, and weld the opening that cuts out with aluminium sheet, thereby reduce oil sump 2 highly, makes oil sump 2 bottoms and distance of shaft centers from below 140mm.

3. cutting welding sump strainer assembly makes it can reach installation requirement.

4. install suction tude 5 and oil filter commutator 4, oil filter 3; Reach the requirement of the total height of motor.

5. install water-cooling exhaust pipe 6, the parts 61 that are flexible coupling, silencing apparatus 7.

6. install the oil sump 2 after the sump strainer and the transformation of the way, make the motor axle center to oil sump 2 height below 140mm.

7. oil filter seat is installed on the position of oil sump 2 former fitting machine oil rectifiers 3, again oil filter 3 is loaded on the filter cleaner seat, realize oil filter 3 upwards, can change oil filter 3 easily after motor is installed thereby reach.

More than by embodiment principle of the present utility model is described, obviously, those of ordinary skill in the art can be on the basis of above instruction, and the utility model is done various improvement, is out of shape, is equal to and replace and do not break away from protection domain of the present utility model.

Claims

1, motor boat power engine comprises body, connecting rod, distribution device, lubricating structure, fuel supply mechanism, cooling mechanism, starting mechanism, ignition mechanism, silencing apparatus; It is characterized in that: it is below the 140mm that distance of shaft centers is promptly exported to the distance of oil sump bottom in the axle center of connecting rod, the oil filter of lubricating structure is towards the rear of flywheel, and set up an oil filter commutator in the oil filter back of fuel supply mechanism, this oil filter commutator has a pedestal, two coherent through holes, four screw holes.

2, according to the described motor boat power engine of claim 1, it is characterized in that: the intake manifold of the suction tude of described fuel supply structure is welded into relative body direction and becomes horizontal intake manifold or can be described as horizontal intake manifold, and the height of this intake manifold is less than 80mm.

3, according to the described motor boat power engine of claim 1, it is characterized in that: the outlet pipe interlayer that water intake is arranged on the gas exhaust manifold of described fuel supply mechanism and be communicated with water intake.

4, according to the described motor boat power engine of claim 1, it is characterized in that: adopt the parts that are flexible coupling to be flexible coupling between described gas exhaust manifold and the silencing apparatus.

5, according to the described motor boat power engine of claim 1, it is characterized in that: on the flywheel of described body flange plate is installed.