CN105888768B - Integrated oscillating type engine unit - Google Patents
Integrated oscillating type engine unit Download PDFInfo
- Publication number
- CN105888768B CN105888768B CN201610080598.9A CN201610080598A CN105888768B CN 105888768 B CN105888768 B CN 105888768B CN 201610080598 A CN201610080598 A CN 201610080598A CN 105888768 B CN105888768 B CN 105888768B
- Authority
- CN
- China
- Prior art keywords
- engine unit
- fuel tank
- oil
- crankcase
- box part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002828 fuel tank Substances 0.000 claims abstract description 69
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J31/00—Installations of lubricating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
- B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0002—Cylinder arrangements
- F02F7/0004—Crankcases of one-cylinder engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/12—Closed-circuit lubricating systems not provided for in groups F01M1/02 - F01M1/10
- F01M2001/126—Dry-sumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
- F01M2011/0083—Dry sumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M2011/0095—Supplementary oil tank
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Problem of the present invention is that realizing the capacity expansion of the reduction and luggage space of height of seat.Integrated oscillating type engine unit (1) has：Internal combustion engine (2) with crankcase (21) and cylinder；And the fuel tank (213L) of the oil of component of the storage for lubricating crankcase and cylinder interior, in the integrated oscillating type engine unit (1), fuel tank is configured at the outside of the crankshaft room (93) in crankcase, and engine unit is such as lower structure：The center (C1) for the bent axle (90) being configured in crankcase is configured at the downside of the center C2 of hind axle (40).
Description
Technical field
The present invention relates to a kind of integrated oscillating type engine unit, more particularly to one kind having dry sump lubrication mechanism
Integrated oscillating type engine unit.
Background technology
In the past, it is proposed that a kind of engine for motorcycle unit (for example, referring to patent document 1) will store to internal combustion engine
The fuel tank that the oil of interior component is lubricated is integrally provided to the rear of crankcase, and can be swung up and down together with trailing wheel
Mode body shell installation integrated oscillating type engine unit (power unit).In the engine for motorcycle unit,
Fuel tank is integrated with crankcase setting, therefore even if can make oil swimmingly in song if in the case where engine unit is swung
It is flowed between axle box and fuel tank.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2006-44438 bulletins
However, in engine for motorcycle unit described in patent document 1, the 1st to fuel tank is connected to from crankcase
Oily access is connected to the lower side that bent axle is configured to the 2nd oily access etc. of oil pump and oil strainer from fuel tank.Therefore, it configures
It is configured at when the bent axle in crankcase is from side roughly the same with the hind axle that engine for motorcycle unit is supported
Height.
On the other hand, in the motorcycle for having integrated oscillating type engine unit, it is desirable that make to be configured at engine unit
The height (height of seat) of seat of top reduce, and require to expand the luggage space in the space using under-seat side
Capacity.It works hard the layout on engine unit periphery to cope with such require.However, passing through engine unit periphery
Layout and the reduction of height of seat and the capacity expansion of luggage space that bring have certain limit.Therefore, using general
Internal combustion engine structure in the case of, the layout for passing through engine unit periphery carries out reduction and the row of further height of seat
The capacity expansion in Lee space is more difficult.
Invention content
The present invention is given this fact and proposes that its purpose is to provide one kind capable of realizing height of seat
Reduction and luggage space capacity expansion integrated oscillating type engine unit.
Means for solving the problems
The integrated oscillating type engine unit of the present invention has：Internal combustion engine has crankcase and cylinder；And fuel tank, storage
Oil for the component for lubricating the crankcase and cylinder interior, which is characterized in that, described
Fuel tank is configured at the outside of the crankshaft room in the crankcase, and in the engine unit, is configured at the crankcase
The center configuration of interior bent axle is in the downside at the center of hind axle.In addition, in the integrated oscillating type engine unit of the present invention,
The crankcase is made of divided a pair of of box part in the vehicle width direction, after the fuel tank is configured at the box part of a side
Square side.In addition, in the integrated oscillating type engine unit of the present invention, viewed from above, the box part of the party has：It is bent
Axis room portion, inside be formed with the crankshaft room；And extension, from institute on the outside of the vehicle width direction of the box part of the party
It states portion of crankshaft room and extends to rear side, the fuel tank is configured at the angle in the portion of crankshaft room and the coupling part of the extension
Portion.
According to the structure, fuel tank is configured at the outside of crankshaft room, and the center configuration of bent axle is under the central shaft of trailing wheel
Side, therefore can not be by the position for being restricted and being reduced crankcase in the layout of fuel tank.As a result, with the center configuration of bent axle in
The previous integrated oscillating type engine unit of the central shaft roughly same height of trailing wheel is compared, can be in the upper side of crankcase
Space is formed, therefore the height of the seat for the top for being configured at engine unit can be reduced, and expands and utilizes under-seat
The capacity of the luggage space in the space of side.In addition, the position by reducing bent axle, can reduce the center of gravity of internal combustion engine, therefore energy
Enough improve the riding stability of vehicle.
Also, it due to only configuring fuel tank in the rear side of the box part of a side, can reduce needed for the configuration of fuel tank
Space, therefore the influence of the layout of structure member to engine unit periphery can be reduced.
Also, the corner of the coupling part in the portion of crankshaft room and extension in the box part of a side configures fuel tank, therefore
The space easily as dead zone can be applied flexibly to configure fuel tank.
Especially, in the integrated oscillating type engine unit of the present invention, it is preferred that the fuel tank and the party
Box part setting is integrated.In this case, it can omit and be connected from fuel tank to the oil pipe of the crankshaft room of crankcase, and can contract
The oily access of short lubricant housings from fuel tank to crankcase, in cylinder.
In addition, in the integrated oscillating type engine unit of the present invention, it is preferred that with the scavenge oil pump of pressure oil and defeated
Oil pump, the scavenge oil pump and oil transfer pump are configured to be arranged side by side on the front-rear direction of vehicle in the lower side of the bent axle.
In this case, the lower side in bent axle configures scavenge oil pump and oil transfer pump, therefore the center of gravity of internal combustion engine can be reduced, it can be further
Improve riding stability.In addition, scavenge oil pump and oil transfer pump are configured to be arranged side by side on the front-rear direction of vehicle, therefore can be total to
With the component for driving these to pump, therefore the number of packages of the component for transfer tube can be reduced.In addition, with scavenge oil pump and oil transportation
The case where pumping separate configuration is compared, and can make through these pump simplifying the structure come the oily access of pressure oil.
Especially, in the integrated oscillating type engine unit of the present invention, it is preferred that the oil transfer pump receives to come from institute
The rotary force of bent axle is stated, and the rotary force is passed into the scavenge oil pump.In this case, can be made by the rotation of bent axle
Oil transfer pump and scavenge oil pump rotation, therefore the structure member that rotary force is supplied to oil transfer pump and scavenge oil pump can be omitted, it can reduce
Number of components and manufacturing cost.
In addition, in the integrated oscillating type engine unit of the present invention, it is preferred that be connected to the oily access of the fuel tank
A part is configured at the position for including mating surface of the box part of the party of the crankcase and the box part of another party.
In this case, a part for the oily access of connection fuel tank is set to the position for including mating surface of a pair of of box part, therefore, it is possible to
Oily access is formed when manufacturing box part in casting by using mold etc., there is no need for form the special of oily access
Processing.
For example, in the integrated oscillating type engine unit of the present invention, in the box part of the party and the case of another party
Component is provided with groove portion and the groove portion is mutually arranged as opposed to, and a part for the oily access is by conjunction with described one
What the box part of side and the box part of described another party were formed.In this case, a pair of of box part is combined, to by mutual
Relatively configured groove portion forms a part for oily access, therefore the sectional area of oily access can be made to become larger, and can improve pair
The greasy property of crankcase and the component of cylinder interior.
Invention effect
In accordance with the invention it is possible to realize the reduction of height of seat and the capacity expansion of luggage space.
Description of the drawings
Fig. 1 is the partial side view using the motorcycle of the integrated oscillating type engine unit of present embodiment.
Fig. 2 is the side view of the integrated oscillating type engine unit of present embodiment.
Fig. 3 is the side view of the integrated oscillating type engine unit of present embodiment.
Fig. 4 is the signal illustrated for the internal structure of the integrated oscillating type engine unit to present embodiment
Figure.
Fig. 5 is the vertical view of the integrated oscillating type engine unit of present embodiment.
Fig. 6 is the side view of left side case possessed by the integrated oscillating type engine unit of present embodiment.
Fig. 7 is the side view of left side case possessed by the integrated oscillating type engine unit of present embodiment.
Fig. 8 is the side view of right side case possessed by the integrated oscillating type engine unit of present embodiment.
Fig. 9 is the side view of right side case possessed by the integrated oscillating type engine unit of present embodiment.
Figure 10 is the vertical view of crankcase possessed by the integrated oscillating type engine unit of present embodiment.
Figure 11 is the partial side view using the motorcycle of the integrated oscillating type engine unit of reference example.
Symbol description
1 integrated oscillating type engine unit (engine unit)
2 internal combustion engines
21 crankcases
Case on the left of 21L
Case on the right side of 21R
211L, 211R crankshaft room portion
212L bands room portion
213L fuel tanks
214 oil strainers
22 cylinder block
23 cylinder head
24 valve mechanism cover
3 speed changers
31 V variable v-belt drives
32 transmission cases
4 trailing wheels
40 hind axles
5 air purifiers
6 throttle bodies
7 seats
8 luggage cases
90 bent axles
91 pistons
91a piston pins
93 crankshaft room
The center of C1 bent axles
The center of C2 hind axles
The center of C3 piston pins
OP1~OP6 oil accesses
Specific implementation mode
Hereinafter, with reference to attached drawing, detailed description of embodiments of the present invention.In addition, below to by the present invention entirety
Oscillating engine unit application was illustrated to the case where motorcycle.However, the vehicle about the application present invention, is not limited to
Motorcycle and can be suitably changed.For example, can also apply to automatic tricycle, automobile.
Fig. 1 is the partial side view using the motorcycle of the integrated oscillating type engine unit of present embodiment.In Fig. 1
In, show the case where integrated oscillating type engine unit is applied in motor scooter, but not limited thereto.In addition, in Fig. 1
In, illustrate only the structure member of the part on integrated oscillating type engine unit periphery.In addition, in the following description, point
Vehicle front is not indicated with arrow FR, rear of vehicle is indicated with arrow RE, vehicle left side is indicated with arrow L, vehicle is indicated with arrow R
On the right side of.
As shown in Figure 1, integrated oscillating type engine unit (hereinafter, being suitably termed as " engine unit ") 1 is configured at vehicle
Lower side and the position that is deviated rearward from vehicle central.Engine unit 1 can swing twelve Earthly Branches in the up-down direction
It holds in body shell (not shown).Engine unit 1 is configured to the internal combustion engine 2 for having dry sump lubrication mechanism and speed changer
3 integrations.Internal combustion engine 2 is for example made of four-stroke cycle single cylinder air-cooled internal combustion engine.Speed changer 3 is for example configured to include V bands
Formula contiuously variable transmission 31 and transmission case 32 (about V variable v-belt drives 31, with reference to Fig. 4).A part for internal combustion engine 2 is (more
Specifically, being aftermentioned left side case 21L) trailing wheel 4 for receiving driving force via speed changer 3 is supported near rear end.
The top of engine unit 1 is provided with air purifier 5 and throttle body 6.These air purifiers 5 and section
Stream valve body 6 is installed on engine unit 1 via bracket, is configured to swing together with engine unit 1.Air purifier
5 purify the outer gas sucked in motion by built-in air filter, and are supplied to throttle body 6.
Throttle body 6 is connected to air purifier 5 via connecting tube 61.Throttle body 6 has not shown in inside
Throttle valve.Throttle body 6 adjusts the open and-shut mode of throttle valve according to the opening and closing operations of the throttle of driver, to control
From 5 side of air purifier to the air capacity of internal combustion engine 2 (being more specifically, the combustion chamber in internal combustion engine 2) supply.
It is configured with the seat 7 and luggage case 8 that driver takes a seat in the top of these air purifiers 5 and throttle body 6.
Seat 7 is installed on supporting part 81, which is arranged above the front surface part of luggage case 8.Seat 7 be mounted to
Supporting part 81 makes rear end portion side be opened and closed up and down for rotating fulcrum.
Luggage case 8 is configured at the inside of exterior member (not shown), which configures the lower side in seat 7.Row
Lee's case 8 has the shape of side opening above.It constitutes as follows：With supporting part 81 seat 7 is being opened for rotating fulcrum
In the state of, the luggage such as the helmet can be accommodated in luggage case 8.
Here, being illustrated to the structure of the engine unit 1 of present embodiment with reference to Fig. 2~Fig. 4.Fig. 2 and Fig. 3 is this
The side view of the engine unit 1 of embodiment.Fig. 4 be for the engine unit 1 to present embodiment internal structure into
The schematic diagram of row explanation.In addition, in fig. 2, engine unit 1 is indicated from the left side of vehicle, in figure 3, from the right side of vehicle
Square side indicates engine unit 1.
As shown in Figures 2 and 3, engine unit 1 is made of internal combustion engine 2 and speed changer 3.Internal combustion engine 2 is configured to comprising song
Axle box 21, cylinder block 22, cylinder head 23 and valve mechanism cover 24.Cylinder block 22 is incorporated into the front end of crankcase 21.Cylinder head 23
It is incorporated into the front end of cylinder block 22.Valve mechanism cover 24 is incorporated into the front end of cylinder head 23.Speed changer 3 is configured to comprising combination
In the transmission case 32 of crankcase 21 and the V variable v-belt drives 31 that are contained in transmission case 32 (about V belt continuous variables
Speed changer 31, with reference to Fig. 4).
In the inside of engine unit 1, as shown in figure 4, bent axle 90 can rotate ground axle suspension in crankcase 21.In gas
Cylinder-bore 221 is formed in cylinder body 22.Piston 91 can slidably be configured at the cylinder-bore 221.The both ends of connecting rod 92 pass through respectively
Bent axle 90 and piston 91 can be rotatably linked to by crank-pin 90a, piston pin 91a.It is reciprocal by piston 91, to make song
Axis 90 is driven in rotation in crankshaft room 93.
Bent axle 90 is provided with the driving pulley 31a of V variable v-belt drives 31.Bent axle 90 constitutes V Belt-type Adjustable-speeds
The drive shaft of device 31.The driven shaft 31b of V variable v-belt drives 31 can rotate ground axle suspension in transmission case 32.This from
Moving axis 31b is provided with the follow-up pulley 31c of V variable v-belt drives 31 through not shown centrifugal clutch.Annular V band 31d
It is set up in these driving pulleys 31a and follow-up pulley 31c.
It is formed with driven shaft pinion gear 31e in the driven shaft 31b of V variable v-belt drives 31.Driven shaft pinion gear 31e
It is engaged with intermediate gear 31f.Also, intermediate gear 31f is engaged with the rear wheel gear 41 for being set to hind axle 40.Trailing wheel 4 one
Body it is incorporated into hind axle 40 (referring to Fig.1).
Combuster 94 is formed in the rear end of cylinder head 23.It is formed on the top of cylinder head 23 and is connected to combustion chamber 94
Air inlet 95.On the other hand, it is formed in the lower part of cylinder head 23 and is connected to the exhaust outlet 96 of combustion chamber 94.In addition, in gas
Cylinder cap 23 is provided with the combustion chamber of the intake valve 97 and opening and closing exhaust outlet 96 of the opening portion of 94 side of combustion chamber of opening and closing air inlet 95
The air bleeding valve 98 of the opening portion of 94 sides.
In air inlet 95 throttle body 6 (referring to Fig.1) is connected with through not shown air inlet pipe.Exhaust outlet 96 via
Exhaust pipe (not shown) is connected with silencer.Valve train room 99 is formed between cylinder head 23 and valve mechanism cover 24.Configuration
In in cylinder head 23 intake valve 97 and air bleeding valve 98 pass through the valve train (not shown) that is configured in the valve train room 99
Device and by driven for opening and closing.
As shown in figure 4, in engine unit 1, the center C1 for being configured at the bent axle 90 in crankcase 21 is observed in side
When be configured at hind axle 40 center C2 lower side.In addition, the center C1 of bent axle 90 is configured at piston pin when side is observed
The lower side of the center C3 of 91a.
Fig. 5 is the vertical view of the engine unit of present embodiment.As shown in figure 5, crankcase 21 is by the vehicle width direction
Divided pair of right and left box part is constituted.Hereinafter, the box part for being configured at left side is known as left side case 21L, will be configured at
The box part of right side is known as right side case 21R.Substantially there is left side case 21L the shape in right side opening, right side case 21R to have
The shape of side opening in left (with reference to Fig. 7, Fig. 9).The end face that crankcase 21 passes through the right side of case 21L on the left of engagement (in conjunction with)
It is formed with the end face of the left side of right side case 21R.It is formed in inside by by the engagement of left side case 21L and right side case 21R
Space constitute aftermentioned crankshaft room 93.
Left side case 21L has the crankshaft room portion 211L in internal rules crankshaft room 93 and the vehicle width in crankshaft room portion 211L
(left side) extends to band room portion (extension) 212L of rear side from crankshaft room portion 211L on the outside of direction, it is viewed from above substantially
With L-shaped.In addition, these crankshaft room portion 211L and with room portion 212L setting be integrated.
In addition, being provided with fuel tank 213L in left side case 21L.Viewed from above, the section of fuel tank 213L has triangle
Box shape.Fuel tank 213L is set to the corner of crankshaft room portion 211L and the coupling part with room portion 212L.That is, fuel tank 213L is only set
It is placed in the rear side of the outside of crankshaft room 93 and left side case 21L.In addition, fuel tank 213L is with these crankshaft room portion 211L and with room portion
212L settings are integrated.
Fuel tank 213L only is configured in the rear side of left side case 21L in this way, needed for the configuration that fuel tank 213L can be reduced
Space, the influence of the layout of the structure member to 1 periphery of engine unit can be reduced.In addition, due to left side case 21L's
The corner of crankshaft room portion 211L and the coupling part with room portion 212L configures fuel tank 213L, therefore can effectively utilize and easily become
The space in dead zone.In addition, by being integrated by fuel tank 213L with crankshaft room portion 211L and with room portion 212L settings, so as to save
The oil pipe slightly connected from fuel tank 213L to the crankshaft room 93 of crankcase 21, and can shorten oil from fuel tank 213L force feeds to bent axle
The oily access of case 21 and the lubricant housings in cylinder (cylinder block 22, cylinder head 23, valve mechanism cover 24).
In addition, being equipped with oil strainer 214 in the side of left side case 21L (with reference to Fig. 2).Oil strainer 214 removal via
The impurity (referring to Fig.1 0) of the oil of aftermentioned oil access OP2, OP5 supply.The oil for eliminating impurity is used for crankcase 21 and gas
The lubrication of component in cylinder (cylinder block 22, cylinder head 23, valve mechanism cover 24).
The transmission case 32 for being constituted speed changer 3 is installed on left side case in a manner of the opening portion of confining zone room portion 212L
21L.V variable v-belt drives 31 are contained (with reference to figure in the space for being formed in the inside with room portion 212L Yu transmission case 32
4).In addition, being provided with hind axle supporting part 215L in the right side of the rear end with room portion 212L.Hind axle supporting part 215L branch
Hold the hind axle 40 integrally combined with trailing wheel 4 (with reference to Fig. 4).
Right side case 21R is identical as left side case 21L, has the crankshaft room portion 211R in internal rules crankshaft room 93.On right side
Case 21R is provided with oil pump 10 (Fig. 4 references).Oil pump 10 is made of scavenge oil pump 101 and oil transfer pump 102.Scavenge oil pump 101 play as
Lower effect：The oily air-breathing of the bottom surface of crankshaft room 93 will be run down into, and is sent to fuel tank 213L.Oil transfer pump 102 functions as follows：
The oil pressure for being stored in fuel tank 213L is sent to the portion in crankcase 21 and cylinder (cylinder block 22, cylinder head 23, valve mechanism cover 24)
Part.
These scavenge oil pumps 101 and oil transfer pump 102 are configured on the front-rear direction of vehicle side by side in the lower side of bent axle 90
Arrangement.The rotary shaft of scavenge oil pump 101 be configured at bent axle 90 slightly by rear side, the rotary shaft of oil transfer pump 102 is configured at bent axle 90
Slightly by front side.In addition, the rotary shaft of scavenge oil pump 101 and the rotary shaft of oil transfer pump 102 are configured at roughly the same height.
Oil transfer pump 102 receives the rotary force from bent axle 90.Oil transfer pump 102 passes to the rotary force received from bent axle 90
Scavenge oil pump 101.That is, if bent axle 90 rotates, then oil transfer pump 102 rotates, scavenge oil pump 101 receive the rotation of the oil transfer pump 102 and
Rotation.So, oil transfer pump 102 and scavenge oil pump 101 is made to rotate by the rotation of bent axle 90, so as to omit to oil transportation
Pump 102 and scavenge oil pump 101 supply the structure member of rotary force, can reduce number of components and manufacturing cost.
In the engine unit 1 having a structure in which, supply to the gaseous mixture of fuel and air in combustion chamber 94
If being burnt by igniter (not shown), then piston 91 moves back and forth in cylinder-bore 221.With the past of piston 91
It is multiple mobile, it is rotated via the bent axle 90 that connecting rod 92 links.Driving pulley 31a is if the rotation of bent axle 90 rotates, then frame
Annular V band 31d set on driving pulley 31a and follow-up pulley 31c rotates.Rotation of the annular V with 31d is via intermediate gear 31f
And rear wheel gear 41 and pass to hind axle 40.Then, the trailing wheel 4 for being integrally incorporated into the hind axle 40 rotates.
On the other hand, it is rotated with the rotation of bent axle 90, scavenge oil pump 101 and oil transfer pump 102.Pass through the rotation of scavenge oil pump 101
Turn, the oily air-breathing of the bottom surface of crankshaft room 93 will be run down into, and be sent to fuel tank 213L.In addition, by the rotation of oil transfer pump 102,
The oil for being stored in fuel tank 213L is pressed to portion in crankcase 21 and cylinder (cylinder block 22, cylinder head 23, valve mechanism cover 24)
Part.
Hereinafter, being illustrated to the force feed path of the oil in the engine unit 1 of present embodiment with reference to Fig. 6~Figure 10.
In addition, in Fig. 6~Figure 10, the oil for being represented by the dotted line the inside for being formed in crankcase 21 (left side case 21L and right side case 21R) is logical
Road.
Fig. 6 and Fig. 7 is the side view of left side case 21L possessed by the engine unit 1 of present embodiment.In figure 6, from
Outside (left side) indicates left side case 21L, in the figure 7, left side case 21L is indicated from inside (right side).Fig. 8 and Fig. 9 is this reality
Apply the side view of right side case 21R possessed by the engine unit 1 of mode.In fig. 8, right side is indicated from outside (right side)
Case 21R indicates right side case 21R from inside (left side) in fig.9.Figure 10, which is the engine unit 1 of present embodiment, to be had
Crankcase 21 vertical view.
As shown in FIG. 6 and 7, in left side, case 21L is formed with the oily access OP1 being connected to from fuel tank 213L to oil transfer pump 102.
As shown in Figure 10, oily access OP1 is set as groove portion：On the joint surface opposite with right side case 21R of left side case 21L,
Side extends forwards near the lower end of fuel tank 213L.Oily access OP1 is configured as the oily access with aftermentioned right side case 21R
OP4 is opposite.
In addition, in the front side of left side case 21L, to be formed with the oil for being communicated to oil strainer 214 from oil transfer pump 101 logical
Road OP2.As shown in Figure 10, oily access OP2 is formed as：From the joint surface opposite with right side case 21R of left side case 21L side to the left
Extend, and side extends forwards near the center of left side case 21L.The front end of oily access OP2 is connected to oil strainer 214.
In addition, the rear side in left side case 21L is formed with for being connected to the oily access to fuel tank 213L from scavenge oil pump 101
OP3.As shown in Figure 10, oily access OP3 is formed as：From the joint surface opposite with right side case 21R of left side case 21L, side is prolonged to the left
It stretches, and extends upward near the lower end of left side case 21L.The oily access OP31 for constituting oily access OP3 is formed as in oil
The lower side of case 213L is extended along the width of the car.The oily access OP32 for constituting oily access OP3 is formed as in the outside of fuel tank 213L
It extends near the upper end of fuel tank 213L.The upper end of oily access OP32 is connected to the oily supply hole being formed on fuel tank 213L
OH (with reference to Fig. 7).
As can be seen from figures 8 and 9, on right side, case 21R is formed with the oily access OP4 being connected to from fuel tank 213L to oil transfer pump 102.
As shown in Figure 10, setting oil access OP4 is set as groove portion：The joint surface opposite with left side case 21L of case 21R on right side
On, side extends forwards near the lower end of fuel tank 213L.Oily access OP4 is configured as the oily access with left side case 21L
OP1 is opposite.Oily access OP4 is formed as the right lateral bend in its front end case 21R to the right, and is connected to oil transfer pump 102.
In addition, the front side in right side case 21R is formed with and is communicated to the oily access of oil strainer 214 from oil transfer pump 102
OP5.As shown in Figure 10, oily access OP5 is formed as extending from the engagement surface side of the case 21L to the left of oil transfer pump 102.Oily access OP5
Front end (left part) be connected to the oily access OP2 of left side case 21L.
In addition, right side case 21R rear side be formed with from the bottom surface sections of crankshaft room 93 be connected to via scavenge oil pump 101 to
The oily access OP6 of fuel tank 213L.Oily access OP6 is by the oily access OP61 that is formed as vertically extending and is formed as from returning
The oily access OP62 that oil pump 101 extends to the engagement surface side relative to left side case 21L constitutes (referring to Fig.1 0).Oily access OP61
Lower end it is opposite with the bottom surface of crankshaft room 93 and be open.
As described above, if making bent axle 90 rotate by the burning of the mixer in combustion chamber 94, scavenge oil pump 101 is via defeated
Oil pump 102 and rotate.The bottom surface of crankshaft room 93 will be run down into from the lower end of oily access OP61 by the rotation of scavenge oil pump 101
Oil picks up.The oil picked up from the lower end of oily access OP61 is sent to oily access OP3 via oily access OP62, is supplied by oil
It is supplied to fuel tank 213L to hole OH.
On the other hand, oil transfer pump 102 is rotated by the rotation of bent axle 90.By the rotation of oil transfer pump 102, make to be stored in
The oil of fuel tank 213L is extracted to oil transfer pump 102 via oily access OP1, OP4.The oil extracted out from fuel tank 213L is via oily access
OP5, OP2 and be sent to oil strainer 214.After removing the impurity in oil removing by oil strainer 214, oil is sent to crankcase
21 and cylinder (cylinder block 22, cylinder head 23, valve mechanism cover 24) in component.
In such engine unit 1, the oil supply of the bottom surface of crankshaft room 93 will be run down into via scavenge oil pump 101 extremely
Fuel tank 213L, and the oil in fuel tank 213L is passed out to the lubricant housings in crankcase 21 and cylinder via oil transfer pump 102.Cause
This, by the way that fuel tank 213L to be configured to the outside of crankshaft room 93, so that it is guaranteed that the degree of freedom of the layout in crankshaft room 93.Also,
Reduce the position for being configured at the bent axle 90 in crankcase 21.
That is, in the engine unit 1 of present embodiment, fuel tank 213L is configured to the outside of crankshaft room 93, and will be bent
The center C1 of axis 90 is configured at the downside (referring to Fig.1) of the center C2 of hind axle 40.Therefore, it is possible to not by the cloth of fuel tank 213L
Restriction in office and the position for reducing crankcase 21.The center C2 with hind axle 40 is configured at the center C1 of bent axle 90 as a result,
The previous engine unit (integrated oscillating type engine unit) of roughly same height is compared, can be in the top of crankcase 21
Side forms space.As a result, it is possible to reduce the height of the seat 7 for the top for being configured at engine unit 1, seat is utilized in expansion
Lower side space luggage case 8 capacity.
In addition, in the engine unit 1 of present embodiment, since the center C1 of bent axle 90 is configured at hind axle 40
The downside of center C2, therefore the center of gravity of internal combustion engine 2 can be reduced, therefore the riding stability of vehicle can be improved.
Figure 11 is the partial side view using the motorcycle of the engine unit of reference example.In addition, in fig. 11, in order to just
In explanation, other than engine unit, symbol identical with the engine unit 1 of present embodiment is marked.In addition, in Figure 11
In, show that the center C1 for having bent axle 90 is configured at the engine unit with the center C2 roughly same heights of hind axle 40
11 motorcycle.In addition, in fig. 11, for convenience of description, show by seat 7 and luggage case 8 be configured at shown in Fig. 1
Motorcycle identical height the case where.
According to the comparison of Fig. 1 and Figure 11 it is known that in the motorcycle of reference example, the bent axle 90 in engine unit 11
Center C1 be configured at the height roughly the same with the center C2 of hind axle 40.Therefore, it is installed on the top of engine unit 11
The throttle valve 6 of side is configured at higher position.As a result, the space S 11 between luggage case 8 and throttle valve 6 is reduced.
In contrast, in the engine unit of present embodiment 1, the center C1 of bent axle 90 is configured in hind axle 40
The downside of heart C2.Therefore, it is possible to which the throttle valve 6 for being installed on the upper side of engine unit 11 is configured at lower position.By
This can expand the space S 1 between luggage case 8 and throttle valve 6 compared with the motorcycle of reference example.Thereby, it is possible to reduce seat
The height of chair 7, and expand the capacity of the luggage case 8 in the lower side space that seat 7 is utilized.
In addition, in the engine unit 1 of present embodiment, the lower side of scavenge oil pump 101 and oil transfer pump 102 in bent axle 90
It is configured to be arranged side by side on the front-rear direction of vehicle.Thereby, it is possible to reduce the center of gravity of internal combustion engine 2, row can be further increased
Sail stability.Also, since scavenge oil pump 101 and oil transfer pump 102 configure on the front-rear direction of vehicle, it can share and be used for
The component of these pumps 101,102 is driven, therefore the number of packages of the component for driving these pumps 101,102 can be reduced.In addition, with
The case where 102 separate configuration of scavenge oil pump 101 and oil transfer pump, is compared, and can make logical come the oil of pressure oil using these pumps 101,102
Road simplifies the structure.
In addition, in the engine unit 1 of present embodiment, one of oily access OP1, OP4 of fuel tank 213L will be connected to
Set up the position for being placed in the joint surface (mating surface) comprising left side case 21L Yu right side case 21R separately.Thereby, it is possible to by using mould
Casting of tool etc. forms oily access OP1, OP4 to manufacture respectively when box part (left side case 21L and right side case 21R), therefore is not required to
It is used to form the special processing of these oily accesses (OP1, OP4).
Especially, oily access OP1, OP4 are set to mutual relatively configured slot in left side case 21L and right side case 21R
Portion forms the oily access for being communicated in fuel tank 213L by engagement (in conjunction with) left side case 21L and right side case 21R.Thereby, it is possible to make
The sectional area for being communicated in the oily access of fuel tank 213L becomes larger, and can improve to crankcase 21 and cylinder (cylinder block 22, cylinder head
23, valve mechanism cover 24) internal component greasy property.
In addition, in the above-described embodiment, size, the shape etc. of the illustrated each structure of attached drawing are not limited to this, can
It is suitably changed in the range of playing the effect of the present invention.In addition, the present invention can in the range of not departing from its purpose
It is suitably changed to implement.
For example, in the above-described embodiment, as crankcase 21, to having divided a pair of of case portion in the vehicle width direction
The case where part (left side case 21L and right side case 21R), is illustrated.However, the structure of crankcase 21 is not limited to this and can
It is suitably changed.For example, it is also possible to have not divided one-piece type crankcase in the vehicle width direction.
In addition, in the above-described embodiment, rear side and the crankshaft room of left side case 21L are integrally provided to fuel tank 213L
Portion 211L and the case where corner of the coupling part with room portion 212L, are illustrated.However, the structure of fuel tank 213L does not limit
It can be suitably changed in this.For example, in the case where band room portion is set to right side case 21R, can also be integrally provided
In the same position of right side case 21R.
In addition, fuel tank 213L is not necessarily integrated with crankcase 21, it can also be configured at the rear of left side case 21L seperatedly
Side.In addition, fuel tank 213L can also be configured at crankshaft room portion 211L and the position other than the corner of the coupling part with room portion 212L
It sets.Do not have in crankcase 21 (left side case 21L) and is bonded to the feelings of transmission case 32 in crankshaft room portion 211L with room portion 212L
Under condition, fuel tank 213L can also be configured at the position of crankshaft room portion 211L and the corner of the coupling part of transmission case 32.
Industrial availability
The present invention has the effect of to realize the capacity expansion of the reduction of height of seat and luggage space, to having entirety
The vehicles such as the motorcycle of oscillating engine unit are useful.
Claims (6)
1. a kind of integrated oscillating type engine unit, has：Internal combustion engine has crankcase and cylinder；And fuel tank, it stores for moistening
The oil of the crankcase and the component of cylinder interior is slided, which is characterized in that,
The fuel tank is configured at the outside of the crankshaft room in the crankcase, and in the engine unit, is configured at institute
The center configuration of the bent axle in crankcase is stated in the downside at the center of hind axle,
The crankcase is made of divided a pair of of box part in the vehicle width direction, and the fuel tank is configured at the box part of a side
Rear side,
Viewed from above, the box part of the party has：Portion of crankshaft room, inside be formed with the crankshaft room；And extension,
It extends to rear side on the outside of the vehicle width direction of the box part of the party from the portion of crankshaft room,
The fuel tank is configured at the corner in the portion of crankshaft room and the coupling part of the extension.
2. integrated oscillating type engine unit according to claim 1, which is characterized in that
The fuel tank and the setting of the box part of the party are integrated.
3. integrated oscillating type engine unit according to claim 1 or 2, which is characterized in that
Scavenge oil pump with pressure oil and oil transfer pump, the scavenge oil pump and oil transfer pump are configured in the lower side of the bent axle in vehicle
Front-rear direction on be arranged side by side.
4. integrated oscillating type engine unit according to claim 3, which is characterized in that
The oil transfer pump receives the rotary force from the bent axle, and the rotary force is passed to the scavenge oil pump.
5. integrated oscillating type engine unit according to claim 1 or 2, which is characterized in that
Be connected to the oily access of the fuel tank a part be configured at the crankcase the party box part and another party
The position for including mating surface of box part.
6. integrated oscillating type engine unit according to claim 5, which is characterized in that
The box part of the party and the box part of another party are provided with groove portion and the groove portion is mutually arranged as opposed to, and
A part for the oil access is formed by the box part of box part and described another party in conjunction with the party.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-027817 | 2015-02-16 | ||
| JP2015027817A JP6443108B2 (en) | 2015-02-16 | 2015-02-16 | Unit swing type engine unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105888768A CN105888768A (en) | 2016-08-24 |
| CN105888768B true CN105888768B (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610080598.9A Active CN105888768B (en) | 2015-02-16 | 2016-02-04 | Integrated oscillating type engine unit |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6443108B2 (en) |
| CN (1) | CN105888768B (en) |
| DE (1) | DE102016001225B4 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018075975A (en) * | 2016-11-09 | 2018-05-17 | ヤマハ発動機株式会社 | Saddle-riding type vehicle |
| WO2020111187A1 (en) * | 2018-11-30 | 2020-06-04 | 本田技研工業株式会社 | Saddle type vehicle |
| JP7175329B2 (en) * | 2018-11-30 | 2022-11-18 | 本田技研工業株式会社 | saddle-riding vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1475397A (en) * | 2002-06-26 | 2004-02-18 | 本田技研工业株式会社 | Motorcycle power unit |
| CN203476434U (en) * | 2013-09-29 | 2014-03-12 | 三阳工业股份有限公司 | Configuration improvement of engine oil one-way valve |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58118481A (en) * | 1982-01-09 | 1983-07-14 | 本田技研工業株式会社 | Swing type power unit for motorcycle |
| JP3933270B2 (en) * | 1997-09-14 | 2007-06-20 | 本田技研工業株式会社 | Motorcycle |
| JP2003081163A (en) * | 2001-09-17 | 2003-03-19 | Yamaha Motor Co Ltd | Motorcycle having dry sump lubrication device |
| US6823829B1 (en) * | 2003-06-06 | 2004-11-30 | Kawasaki Jukogyo Kabushiki Kaisha | Dry-sump lubrication type four-stroke cycle engine |
| JP4453303B2 (en) * | 2003-08-28 | 2010-04-21 | スズキ株式会社 | Scooter type motorcycle |
| JP4467377B2 (en) * | 2004-08-04 | 2010-05-26 | 本田技研工業株式会社 | Motorcycle unit swing type power unit |
| JP2008088822A (en) * | 2006-09-29 | 2008-04-17 | Honda Motor Co Ltd | Oil passage structure |
| JP5480675B2 (en) * | 2010-03-10 | 2014-04-23 | 本田技研工業株式会社 | Case cover structure for internal combustion engine |
-
2015
- 2015-02-16 JP JP2015027817A patent/JP6443108B2/en active Active
-
2016
- 2016-02-04 CN CN201610080598.9A patent/CN105888768B/en active Active
- 2016-02-04 DE DE102016001225.0A patent/DE102016001225B4/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1475397A (en) * | 2002-06-26 | 2004-02-18 | 本田技研工业株式会社 | Motorcycle power unit |
| CN203476434U (en) * | 2013-09-29 | 2014-03-12 | 三阳工业股份有限公司 | Configuration improvement of engine oil one-way valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105888768A (en) | 2016-08-24 |
| JP6443108B2 (en) | 2018-12-26 |
| JP2016151193A (en) | 2016-08-22 |
| DE102016001225B4 (en) | 2024-04-25 |
| DE102016001225A1 (en) | 2016-08-18 |
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