CN206035575U - Engine device that workover rig and workover rig were used - Google Patents

Abstract

The utility model provides an engine device that workover rig and workover rig were used. In the engine device of workover rig, the killer tube overlaps around the carburetor each other, improves the equipment operation nature of engine device. In engine device (4), separator (17) independently form for air cleaner (11), separator (17) are at the downside of carburetor (12) and insulator (13), be close to engine body than carburetor (12) sets up (15), this separator (17) with shake brachial cell (38) the intercommunication, it gets into this separator (17) and carries out gas -liquid separation from shaking brachial cell (38) to scurry the mixed mixed fluid that forms of gas and oil, this separator (17) supply with and make the liquid component who isolates to return oily circulation system (30) the gas composition who isolates to air cleaner (11).

Description

The engine device of working rig and working rig

Technical field

This utility model is related to the engine device of working rig and working rig.

Background technology

In the engine device of working rig, for generating air filter and the change of the gaseous mixture of air and fuel Oily device is installed on engine main body, from the air inlet supply mixing for being installed to the carburetor of the engine main body to engine main body Gas.

In addition, in engine main body, the combustor linked in the cylinder chamber moved up and down for piston and with air inlet it Rocker arm chamber is provided with, and the drive mechanism for the valve being opened and closed to air inlet and air vent is configured with rocker arm chamber.And And, the oil that have passed through crankshaft room is circulated to rocker arm chamber, the drive mechanism of rocker arm chamber is lubricated using the oil of the circulation.

In the cylinder chamber, produce that micro fuel mixture passes through and enters to crankshaft room on the side of piston, so-called Gas blowby.The gas blowby is mixed with oil in crankshaft room etc..If the fluid-mixing of fuel and oil passes through beside intake channel, valve And in incoming fuel room, then produce unfavorable condition as the increase of white cigarette and oil consumption.In addition, propellant composition and oil are mixed Close, therefore be likely to cause unfavorable condition as the deterioration for promoting oil component.

Therefore, in the engine device of working rig, set in the bottom of air filter as in patent documentation 1 There is separator.The fluid-mixing gas-liquid separation of the gas blowby and oil generated in rocker arm chamber in the separator, is made, makes to isolate Gas componant (propellant composition) from air filter again to engine main body supply and in engine main body burn, separately Outward, liquid component (oil component) the return engine main body isolated.

Prior art literature

Patent documentation

Patent documentation 1：2013 No. 068119 publications of Japanese Unexamined Patent Publication

Utility model content

Utility model problem to be solved

However, as in patent documentation 1 with air filter integrally provided with separator in the case of, need by The pipe for linking the fluid-mixing of the rocker arm chamber and separator of engine main body, gas blowby and oil is winding to sky from engine main body Air filter.Also, in the engine device of working rig, carburetor, air filter etc. are installed on engine main body, because This, the pipe of fluid-mixing passes through around carburetor.

On the other hand, carburetor needs and supplies the pipe of fuel for example from fuel tank to carburetor, makes the unnecessary of carburetor Fuel return multiple Guan Lian such as the pipe of fuel tank, the pipe of pulse paths that the pressure for making fuel gasification is supplied to carburetor Knot.

It is as a result, around carburetor, Chong Die with the pipe of fluid-mixing with the pipe that carburetor links and rub, pipe Installation exercise spends labour and time, and the assembling operation of engine device deteriorates.

So, in the engine device of working rig and working rig, it is desirable to：Pipe around suppression carburetor is each other Overlap, thus improving the assembling operation of engine device.

For solution to problem

The engine device of working rig of the present utility model, it is characterised in which includes：Engine main body, which has： For the cylinder chamber that piston is moved up and down；Crankshaft room, itself and cylinder chamber shape all-in-one-piece inner space, the oil of lubrication is by the bent axle Room；And rocker arm chamber, which is formed at the upside of cylinder chamber, and the engine main body is formed at least between crankshaft room and rocker arm chamber and makes oil The oil circulating system of circulation；Air filter, which is installed on engine main body, and extraneous air enters the air filter；Carburetion Device, which is installed on engine main body in the way of between air filter and engine main body, outer for what is be generated into The gaseous mixture of portion's air and fuel and to engine main body supply；Insulator, which is between carburetor and engine main body Mode be installed on engine main body, with the adiabatic phosphor bodies being sandwiched between carburetor and engine main body；Separator, its Being separately formed relative to air filter, connecting with rocker arm chamber, the gas blowby and oil for rocker arm chamber being moved to from cylinder chamber is mixed Fluid-mixing carry out gas-liquid separation from rocker arm chamber into the separator, the separator is by the gas componant isolated to air The liquid component that filter supplies and makes to isolate returns oil circulating system.Also, separator is in carburetor and insulator master The downside of body, is arranged near engine main body than carburetor.

Preferably, insulator have adiabatic phosphor bodies and from adiabatic phosphor bodies along engine main body vertically The demarcation strip of extension, separator be installed on demarcation strip than adiabatic phosphor bodies position on the lower or with demarcation strip one landform Into being preferred.

Preferably, insulator with the position more upper than adiabatic phosphor bodies from demarcation strip to separator along upper The path of the fluid-mixing that lower direction extends is preferred.

Preferably, separator or insulator be with the fluid injector projected towards engine main body from demarcation strip, Engine main body is preferred with an electromotor through hole for a fluid injector insertion.

Preferably, engine main body has multiple air cooling radiatings of the periphery for being formed at the part for being formed with cylinder chamber Piece, separator the position than multiple air cold sinks on the lower be installed on engine main body or with engine main body one Ground is formed, and is arranged and is preferred near engine main body than carburetor in the downside of adiabatic phosphor bodies.

Preferably, engine main body is with the logical of the fluid-mixing extended along above-below direction from rocker arm chamber to separator Road is preferred.

Preferably, separator mobilizes owner with the fluid injector projected towards engine main body from separator Body is preferred with an electromotor through hole for a fluid injector insertion.

Preferably, separator includes that lower member such as is preferred：Separator shell, in the separator shell outwardly landform Cheng Youyi root fluid injectors；Gas-liquid separation chamber, which is formed at separator shell, and the fluid-mixing to entering from rocker arm chamber enters circulation of qi promoting Liquid is separated；Inner housing, which is configured at gas-liquid separation chamber, in the inner surface at least being formed by gas-liquid separation chamber with separator shell , face being formed with the liquid discharge orifice communicated with a fluid injector it is closely sealed；Multiple separator through holes, its insertion inner shell Body；Groove, the formation in its face closely sealed with separator shell and separator shell for being formed at inner housing have liquid discharge orifice At least one of face face, extend to liquid discharge orifice from multiple separator through holes.

Working rig of the present utility model, its have lengthwise action bars, be installed on action bars one end instrument and peace The engine pack of the other end loaded on action bars, it is characterised in that engine pack includes：Engine main body, which has：For The cylinder chamber that piston is moved up and down；Crankshaft room, itself and cylinder chamber shape all-in-one-piece inner space, for receiving the oil of lubrication；And Rocker arm chamber, which is formed at the upside of cylinder chamber, and the engine main body is formed at least between cylinder chamber, crankshaft room and rocker arm chamber and makes oil The oil circulating system of circulation；Air filter, which is installed on engine main body, and extraneous air enters the air filter；Carburetion Device, which is installed on engine main body in the way of between air filter and engine main body, outer for what is be generated into The gaseous mixture of portion's air and fuel and to engine main body supply；Insulator, which is between carburetor and engine main body Mode be installed on engine main body, with the adiabatic phosphor bodies being sandwiched between carburetor and engine main body；Separator, its Being separately formed relative to air filter, connecting with rocker arm chamber, the gas blowby and oil for rocker arm chamber being moved to from cylinder chamber is mixed Fluid-mixing carry out gas-liquid separation from rocker arm chamber into the separator, by the gas componant isolated to air filter supply To and the liquid component that makes to isolate returns oil circulating system.Also, separator is in carburetor and the downside of adiabatic phosphor bodies, Arrange near engine main body than carburetor.

The effect of utility model

In this utility model, separator is separately formed relative to air filter, in carburetor and insulator Downside, is arranged near engine main body than carburetor.Thus, in order to what the rocker arm chamber of engine main body and separator were linked The path of fluid-mixing, even with the pipe extended from rocker arm chamber to separator, it is also possible to make the pipe of the fluid-mixing from Leave to engine main body side around carburetor, for example, pass through around insulator.Even if as a result, for example The pipe for supplying fuel from fuel tank to carburetor, the unnecessary fuel for making carburetor return the pipe of fuel tank, will make fuel gasification Multiple pipes such as the pipe of pulse paths that supplies to carburetor of pressure link with carburetor, these pipes linked with carburetor and The pipe of fluid-mixing is not overlapped around carburetor.Pipe is difficult to overlap and rub each other around carburetor, the peace of pipe Pretend industry and become easy, the assembling operation of engine device is improved.

In addition, in this utility model, separator is arranged near engine main body, therefore, it is possible to separator is configured In the vicinity of the center of gravity of engine device, the weight balancing of engine device can be improved.

In addition, in this utility model, separator is separately formed relative to air filter, therefore, it is possible to make air The compact dimensions of filter, can suppress stretching out for air filter, can make the compact dimensions of engine device.

Description of the drawings

Fig. 1 is the axonometric chart of the brush cutter of the 1st embodiment of the present utility model.

Fig. 2 is the explanatory diagram of the use state of the brush cutter of Fig. 1.

Fig. 3 is the longitudinal section of the engine pack of Fig. 1.

Fig. 4 is the explanatory diagram of the oil circulating system of the engine main body of Fig. 3.

Fig. 5 is the longitudinal section of the installment state of the separator in the engine pack for represent Fig. 3.

Fig. 6 is the side view of the installment state of the separator in the engine pack for represent Fig. 3.

Fig. 7 is the top view of the installment state of the separator in the engine pack for represent Fig. 3.

Fig. 8 A and Fig. 8 B are the explanatory diagrams of the separator of Fig. 4.

Fig. 9 A and Fig. 9 B are the explanatory diagrams of the inner housing of Fig. 8.

Figure 10 is the exploded perspective view of the separator of the 2nd embodiment of the present utility model and insulator.

Figure 11 is the separator and the exploded perspective view of insulator of the 3rd embodiment of present embodiment.

Figure 12 is the section view of the installment state of the separator in the engine pack of the 4th embodiment of present embodiment Figure.

Figure 13 is the sectional view of the installment state of the separator in the engine pack of the variation of the 4th embodiment.

Description of reference numerals

1st, brush cutter (working rig)；2nd, action bars；4th, engine pack (engine device)；8th, cutter (instrument)；11、 Air filter；12nd, carburetor；13rd, insulator；15th, engine main body；17th, separator；22nd, crankcase；23rd, cylinder portion；24、 Cylinder cap；30th, oil circulating system；31st, piston；32nd, cylinder chamber；34th, crankshaft room；38th, rocker arm chamber；39th, inner space；61st, mixed flow The pipe of body；71st, adiabatic phosphor bodies；72nd, demarcation strip；81st, separator shell；81S, on the right side of the 1st face left surface (separator The formation of shell has the face of liquid discharge orifice)；82nd, separator cover；83rd, fluid injector；84th, inner housing；84S, face on the right side of the 2nd Right surface (face closely sealed with separator shell of inner housing)；84R, face on the right side of the 2nd；85th, gas-liquid separation chamber；90th, liquid Tap；91st, the 2nd check valve；92nd, separator through hole；93rd, groove；98th, electromotor through hole；101st, fluid-mixing path； 111st, air cold sink；112nd, skirt portion；113rd, fluid-mixing path.

Specific embodiment

Hereinafter, the working rig and engine device of embodiment of the present utility model are illustrated based on accompanying drawing.

[the 1st embodiment]

Fig. 1 is the axonometric chart of the brush cutter 1 of the 1st embodiment of the present utility model.Brush cutter 1 is to growing on the ground The working rig that gathered in such as weeds, be an example of working rig.

Outside installation portion 3 of the brush cutter 1 of Fig. 1 with such as action bars 2, instrument, engine pack 4, fixed part 5, vibrationproof Shell 6 and handle 7.Engine pack 4 is an example of engine device.

Action bars 2 is for example formed by the pipe component of lengthwise.Action bars 2 can also be the segmentation structure for linking multiple pipe components Make.Drive shaft (not shown) is configured with pipe component.

The installation portion 3 of instrument is installed on one end of the action bars 2 of lengthwise.Installation portion 3 has such as tool chuck 3A and work Tool cover 3B.For example, as shown in Fig. 2 being provided with 8 grade instrument of cutter on tool chuck 3A in the way of it can change.Instrument Cover 3B is installed on action bars 2, is covered in the rear side of the instrument for being installed on tool chuck 3A.

Engine pack 4 is installed on the other end of the action bars 2 of lengthwise.Engine pack 4 has cover component 18, in cover structure 15 grade component of engine main body described later is accommodated with part 18.Work is linked with the one end for the drive shaft being configured in action bars 2 The tool chuck 3A of the installation portion 3 of tool.Clutch mechanism and drive of the bent axle 33 of engine main body 15 by engine main body 15 The other end of moving axis links.Thus, in the presence of the driving force of engine main body 15, can drive and be installed in tool chuck The instrument of 3A and rotate the instrument.

Fixed part 5 is installed on the substantially central portion of the longitudinally of action bars 2.

Vibrationproof shell 6 has hollow drum.Vibrationproof shell 6 in the state of passing through action bars with it is (not shown) Elastic component is located between engine pack 4 and fixed part 5 together.By so installing anti-with the state floated from action bars 2 Shake shell 6, and the vibration of engine main body 15 is difficult to transmit to vibrationproof shell 6 via action bars.

Handle 7 has handlebar 7A, the handle 7B of such as U-shaped.The central part of the handlebar 7A of U-shaped is installed on The front side of vibrationproof shell 6.Handle 7B is installed at the two ends of the handlebar 7A of U-shaped.Use is configured with around handle 7B In control members such as the accelerator rods, switch for making brush cutter 1 work.

Fig. 2 is the explanatory diagram of the use state of the brush cutter 1 of Fig. 1.Operator M is together illustrated with brush cutter 1 in Fig. 2.

Hanger 9 is installed in the periphery of the vibrationproof shell 6 of brush cutter 1.Hanger 9 is linked with suspender 10.Operator M is by peace Brush cutter 1 can be suspended in midair from shoulder by dress suspender 10.

In the case where cutter operation is implemented, brush cutter 1 is suspended in midair from shoulder and grips handss with two handss by operator M Handle 7.Also, handle 7 is kept in the way of states of the operator M by cutter 8 in slightly floating from ground, by brush cutter 1 for example swings while advancing.Thereby, it is possible to gather in the epigeal grass in the front of operator M.

Fig. 3 is the longitudinal section of the engine pack 4 of Fig. 1.Hereinafter, before and after being used up and down on the basis of Fig. 3.

The engine pack 4 of Fig. 3 has such as air filter 11, carburetor 12, insulator 13, fuel tank 14, starts Owner's body 15, acoustic filter 16, separator 17 and cover the cover component 18 of these components.

For example be formed with engine main body 15 move up and down for piston 31 cylinder chamber 32, can rotatably configure bent axle 33 crankshaft room 34, make air mixture combustion combustor 35, can be configured to drive inlet valve 36 and The rocker arm chamber 38 of the cam of exhaust valve 37 etc..

Cylinder chamber 32 is formed at cylinder portion 23.By crankcase 22 being installed under cylinder portion 23 form crankshaft room 34.By The upside mounting cup in cylinder portion 23 and form combustor 35.34 shape all-in-one-piece inner space 39 of cylinder chamber 32 and crankshaft room.Rocker arm chamber 38 upsides for being formed at combustor 35.

Fuel tank 14 is used for gasoline, the fuel such as ethanol that storage can be burnt in engine main body 15.

Air filter 11 has filter house, makes the outside after removal dust for dust etc. is removed from extraneous air Air is entered.

Carburetor 12 has the Venturi tube for making fuel gasification, generates the gaseous mixture of fuel and air in Venturi tube. The Venturi tube of carburetor 12 is connected with the air inlet 40 of engine main body 15 via insulator 13.

Air filter 11 and carburetor 12 are installed on the cylinder portion of engine main body 15 by adiabatic insulator 13 23.Fuel tank 14 is installed in the downside of air filter 11, carburetor 12 and insulator 13.Carburetor 12 and fuel tank 14 Using the fuel feed pipe connection (not shown) for supplying fuel from fuel tank 14 to carburetor 12.In addition, carburetor 12 can also It is connected with the pipe of the pulse paths (not shown) for the fuel supplied from fuel tank 14 is sprayed to Venturi tube.Pulse The cylinder chamber 32 of the other end of the pipe of path and engine main body 15, crankshaft room 34 or air inlet 40 link.

Thus, in engine main body 15, open and in the state of exhaust valve 37 is closed in inlet valve 36, due to piston 31 move from top to bottom when negative pressure, the gaseous mixture of air and fuel can be from carburetor 12 via insulator 13 and air inlet Mouth 40 is supplied to the combustor 35 of engine main body 15.

Acoustic filter 16 is installed on the right side in the cylinder portion 23 of engine main body 15.The aerofluxuss of acoustic filter 16 and engine main body 15 Mouth 41 links.Acoustic filter 16 makes from engine main body 15 air-fuel mixture enleanment after the burning of the high temperature discharged and cooling, as Aerofluxuss are outwards discharged.

So, in the engine pack 4 of brush cutter 1, air filter 11, carburetor 12, insulator 13 and noise elimination Device 16 is installed on the left and right in the cylinder portion 23 of engine main body 15.

Fig. 4 is the explanatory diagram of the oil circulating system 30 of the engine main body 15 of Fig. 3.

In the diagram, as making oil circulation space, it is illustrated that oil stock room 43, be made up of crankshaft room 34 and cylinder chamber 32 Inner space 39, cam chamber 44 and rocker arm chamber 38.In addition, illustrating air filter 11 and separator 17 in the diagram.

Internally in space 39, as movable parts, such as bent axle 33, counterweight 45, connecting rod 42, piston is configured with 31。

In cam chamber 44, as movable parts, gear 46, cam for rotating together with bent axle 33 etc. is configured with.

In rocker arm chamber 38, as movable parts, such as inlet valve 36, exhaust valve 37, push rod etc. is configured with.Push rod with it is convex Inlet valve 36 and exhaust valve 37 are correspondingly depressed by the rotation of wheel.

Oil stock room 43 is formed at the downside of crankcase 22.It is accommodated with oil stock room 43 for mobilizing owner to these The oil that the movable parts of body 15 are lubricated.Oil in oil stock room 43 is in the inner space 39, cam chamber comprising crankshaft room 34 44th, circulate in rocker arm chamber 38, be lubricated to being configured to the movable parts of engine main body 15 in these spaces.

Cylinder chamber 32 of the oil stock room 43 via the 1st oil circuit 51 with engine main body 15 links.The oil of oil stock room 43 is being sent out Inner space 39 is attracted to from the 1st oil circuit 51 in the presence of the negative pressure of the inner space 39 of motivation main body 15, is flowed into internal empty Between 39 crankshaft room 34.In crankshaft room 34, in the presence of 45 grade of counterweight of rotation, mist of oil is generated.In addition, can moisten Sliding bent axle etc..

The malleation of the mist of oil that internally generates in the crankshaft room 34 in space 39 in the inner space 39 of engine main body 15 Flow into oil stock room 43 via the 1st check valve 52 and the 2nd oil circuit 53 under effect.3rd oil circuit 54 is by oil stock room 43 and convex Engineer room 44 links, therefore, mist of oil is supplied to cam chamber 44, and the movable parts in cam chamber 44 are lubricated.

Cam chamber 44 is linked with rocker arm chamber 38 using the 4th oil circuit 55.The mist of oil of cam chamber 44 is supplied to rocker arm chamber 38, to shaking Movable parts in arm room 38 are lubricated.

Rocker arm chamber 38 is linked with separator 17 using the 5th oil circuit 56.Oil eliminator 17 is oily via the 6th oil circuit 57 and the 1st Road 51 is linked with the cylinder chamber 32 of inner space 39.

So, in the engine pack 4 of brush cutter 1, make the oil of oil stock room 43 empty in the inside of engine main body 15 Between 39 (crankshaft room 34), cam chamber 44 and rocker arm chamber 38 circulate, rightly the movable parts of engine main body 15 can be entered Row lubrication.

So cam chamber 44 and rocker arm chamber 38 are being linked, making the oil circulation of crankshaft room 34 with crankshaft room 34 and to convex In the case that engineer room 44 and rocker arm chamber 38 are lubricated, such as a part for the gaseous mixture in combustor 35 is altered as so-called Via the gap around piston 31, from combustor 35, internally space 39 (crankshaft room 34) spills gas, with the oil in crankshaft room 34 Mist mixes.The fluid-mixing of the mist of oil and gas blowby is circulated to cam chamber 44 and rocker arm chamber 38.Especially, rocker arm chamber 38 is located at and sends out The upper part of motivation main body 15, therefore, fluid-mixing easily accumulates.Fluid-mixing contains unburned fuel and oil, therefore, if By in intake channel incoming fuel room, then producing white cigarette.In addition, the consumption of oil is increased by.And, propellant composition and oil are mixed Close, therefore, promote the deterioration of oil component.

Therefore, in the engine pack 4 of conventional brush cutter, arrange oily via the 5th in the bottom of air filter 11 Road 56 is linked with rocker arm chamber 38 and via the separator 17 that links of cylinder chamber 32 of the 6th oil circuit 57 and engine main body 15, using this Separator 17 makes fluid-mixing gas-liquid separation.Thereby, it is possible to make fluid-mixing gas-liquid separation using separator 17.The gas isolated Body composition (propellant composition) can be returned to integrated with separator 17 air filter 11 via gas return path 58, Further can be supplied to the combustor 35 of engine main body 15 from air filter 11 again, the gas that isolate can this Composition burns in engine main body 15.The liquid component (oil component) isolated can be via 57 return engine of the 6th oil circuit Main body 15.

However, in the case where being so integrally provided separator 17 and air filter 11, in order to will be with air mistake The rocker arm chamber 38 of the separator 17 and engine main body 15 of 11 one of filter is linked up, and is needed for the mixed of the 5th oil circuit 56 The pipe of interflow body is winding to air filter 11 from the top of engine main body 15.

In addition, in order to will link with the cylinder chamber 32 of engine main body 15 with the separator 17 of 11 one of air filter Come, need the pipe of the oil return for the 6th oil circuit 57 from the winding cylinder portion 23 to engine main body 15 of air filter 11.

As a result, in expectation miniaturization the part closely engine pack 4 of the brush cutter 1 of layout, needing winding The pipe of fluid-mixing and the pipe of oil return.In addition, in the engine pack 4 of brush cutter 1, carburetor 12, air filtration Device 11 etc. is installed on engine main body 15, therefore, the pipe of fluid-mixing passes through carburetor 12 from the top of engine main body 15 Around and link to the separator 17 of air filter 11.

In addition, as described above, carburetor 12 used in the engine pack 4 of brush cutter 1 needs to link fuel supply Multiple pipes such as pipe, fuel return pipe, the pipe of pulse paths.

As a result, the pipe of the multiple pipes linked with carburetor 12 and fluid-mixing is Chong Die around carburetor 12, this A little pipes are rubbed around carburetor 12 each other, and the installation exercise of pipe spends labour and time, the assembling operation of engine pack 4 Property just deteriorates.

So, in the engine pack 4 of brush cutter 1 and brush cutter 1, it is desirable to which pipe is each other around carburetor 12 It is difficult to the assembling operation for overlapping and improving engine pack 4.

Therefore, in the present embodiment, separator 17 is made to be separately formed relative to air filter 11, with air filtration Device 11 is separated.In addition, making the separator 17 separated with air filter 11 integratedly install with insulator 13, and compare carburetion Device 12 is arranged near 15 ground of engine main body.Thus, the pipe of the fluid-mixing of gas blowby and mist of oil can not be in carburetor 12 Surrounding passes through.

Hereinafter, it is described in detail.

Fig. 5 is the longitudinal section of the installment state of the separator 17 in the engine pack 4 for represent Fig. 3.The vertical profile of Fig. 5 is regarded Figure is by the figure in section obtained from 4 cutting of engine pack from forward observation along left and right directions.

Fig. 6 is the side view of the installment state of the separator 17 in the engine pack 4 for represent Fig. 3.The side view of Fig. 6 is From left sides cover component 18 is dismantled after engine pack 4 figure.

Fig. 7 is the top view of the installment state of the separator 17 in the engine pack 4 for represent Fig. 3.The top view of Fig. 7 is It is viewed from above cover component 18 is dismantled after engine pack 4 figure.

As shown in Fig. 5～Fig. 7, insulator 13 has adiabatic phosphor bodies 71, demarcation strip 72, base plate 73 and back plate 74.

Adiabatic phosphor bodies 71 have substantially cylindrical shape, are clipped in carburetor 12 with posture of the cylinder axis in left and right directions Between engine main body 15.

Demarcation strip 72 has the plate shape of substantially tetragon.Adiabatic phosphor bodies 71 are through the substantially demarcation strip 72 of tetragon Center upper portion.Demarcation strip 72 extends to upper and lower fore-and-aft direction from around adiabatic phosphor bodies 71.Send out insulator 13 is installed to In the state of motivation main body 15, demarcation strip 72 vertically extends along the left side of engine main body 15.Thus, cluster engine Space in the cover component 18 of part 4 is divided into the space for configuring engine main body 15 and the sky for configuring carburetor 12 Between.

In addition, the major part of the adiabatic phosphor bodies 71 extended along left and right directions is prominent to the left side of demarcation strip 72.Thus, The space of the downside that separator 17 is configured at adiabatic phosphor bodies 71 is able to ensure that in the left side of demarcation strip 72.It is configured to insulator The entirety of the separator 17 of the downside of main body 71 positioned at the position than carburetor 12 on the right side, and can not be located at carburetion The lower section of device 12.

Base plate 73 extends from the lower end left direction of demarcation strip 72.

Back plate 74 is between the back and the back of base plate 73 of demarcation strip 72.

Fig. 8 is the explanatory diagram of separator 17.(A) of Fig. 8 is the left view of separator 17.(B) of Fig. 8 is separator 17 Sectional elevation.

Fig. 9 is the explanatory diagram of the inner housing 84 of Fig. 8.(A) of Fig. 9 is the longitudinal section of inner housing 84.(B) of Fig. 9 is interior The right view of housing 84.

Separator 17 has separator shell 81, separator cover 82, fluid injector 83 and inner housing 84.

As shown in (A) and (B) of Fig. 8, before separator shell 81 is with the 1st bottom surface sections 81D, the 1st upper surface portion 81U, the 1st Face 81R on the right side of facial 81F, the 1st rear face 81B and the 1st, is formed without the box shape of left surface.By making separator Cover 82 is covered as left surface in separator shell 81, and separator shell 81 and separator cover 82 are shaped generally as box shape, Gas-liquid separation chamber 85 is formed internally.

As shown in the 8 of figure (B), attraction nozzle 86, gas is formed with the left surface for becoming outer surface of separator cover 82 Body nozzle 87.

Nozzle 86 is attracted to be formed at the at left surface forward position of separator cover 82, via the pipe 61 of fluid-mixing Link with rocker arm chamber 38.In the suction hole 88 for attracting nozzle 86 to be formed with insertion separator cover 82.

Gas nozzle 87 is formed at the middle body at left surface of separator cover 82, via for gas return path 58 The pipe 59 of gas componant link with air filter 11.The gas row of insertion separator cover 82 is formed with gas nozzle 87 Portal 89.

As shown in (B) of Fig. 8, the face 81R from the right side of the 1st of separator shell 81 of fluid injector 83 is projected to the right.Liquid Nozzle 83 is connected with gas-liquid separation chamber 85.Face 81R is formed with based on fluid injector 83 on the right side of the 1 of separator shell 81 Liquid discharge orifice 90.The 2nd check valve 91 is configured with fluid injector 83.

As shown in figure 9, inner housing 84 have the 2nd bottom surface sections 84D, the 2nd upper surface portion 84U, the 2nd front face 84F, behind the 2nd Face 84R on the right side of portion 84B and the 2nd, is formed without the box shape of left surface.Inner housing 84 is accommodated in gas-liquid separation chamber 85.

Also, the 2nd bottom surface sections 84D of inner housing 84, the 2nd upper surface portion 84U, the 2nd front face 84F, the 2nd rear face 84B with And the 1st bottom surface sections 81D of face 84R and separator shell 81 on the right side of in the of the 2nd, the 1st upper surface portion 81U, the 1st front face 81F, after the 1st On the right side of facial 81B and the 1st, face 81R is respectively correspondingly closely sealed.In addition it is also possible to be, in order to contribute to such as gas blowby and oil The liquefaction of the oil component in the fluid-mixing of mist, is configured with sheet metal, wire netting etc. in inner housing 84.

The bottom of face 84R on the right side of the 2 of inner housing 84, four separator through holes 92 are along fore-and-aft direction arrangement ground Formed.

The right surface 84S of face 84R forms fluted 93 on the right side of the 2nd.Groove 93 multiple separator through holes 92 with Extend corresponding between the position 94 based on the liquid discharge orifice 90 of fluid injector 83.The right surface 84S of face 84R on the right side of in the of 2nd With the 1st on the right side of face 81R left surface 81S it is closely sealed, therefore, it is possible to using the groove 93, face 84R is right with the 1st on the right side of the 2nd The path for attracting oil is formed between side surface part 81R.

In the inner side of inner housing 84, along the angle formed by the 2nd bottom surface sections 84D and the 2nd front face 84F and by the 2nd bottom The angle that facial 84D and the 2nd rear face 84B is formed is formed with a pair of tunnel walls 95 that face 84R extends to the left from the right side of the 2nd.Four Separator through hole 92 in individual separator through hole 92, both sides in front and back is covered by tunnel wall 95.In the left side of tunnel wall 95 Top forms jagged 96.

The left surface of face 84R is formed with separates walls 97 on the right side of the 2 of the face of the inner side as inner housing 84.Separates walls 97 have reverse U shape shape, and from the right side of the 2nd, the left surface of face 84R projects to the left.Also, gas discharge hole 89 is located at reverse U shape The inner side of the separates walls 97 of shape.Suction hole 88 is located at the outside (front side) of the separates walls 97 of reverse U shape shape.

In such separator 17, the gas blowby attracted via suction hole 88 from rocker arm chamber 38 and the fluid-mixing of mist of oil exist The outside of the separates walls 97 of reverse U shape shape is attracted to gas-liquid separation chamber 85.Then, from the outer of the separates walls 97 of reverse U shape shape Side is around to inner side, and discharges from gas discharge hole 89 to air filter 11.Now, the oil component in fluid-mixing is in gas-liquid point Liquefy in room 85, via separator through hole 92 around to the outside of inner housing 84, fluid injector 83 is moved to via groove 93 Liquid discharge orifice 90, discharge from liquid discharge orifice 90 to the inner space 39 of engine main body 15.Thus, separator 17 will be mixed Gas componant (propellant composition) and liquid component (oil component) in the body of interflow is separated, and them can be made to distinguish returning air and filtered The inner space 39 of device 11 or engine main body 15.

In addition, in the present embodiment, in the left side of inner housing 84, along being formed with multiple breach 96 in tandem, On the right side of inner housing 84, along being formed with multiple separator through holes 92 in tandem, therefore, brush cutter 1 even at The posture for for example tilting forwards, backwards, it is also possible to using engine main body 15 inner space 39 negative pressure from gas-liquid separation chamber 85 attract it is separated go out liquid component.

Also, as shown in Fig. 5～Fig. 7, separator 17 is installed on the left side of demarcation strip 72 in the downside of adiabatic phosphor bodies 71. The separator cover 82 and separator shell 81 of separator 17 is overlap with the demarcation strip 72 of insulator 13, is started by being screwed on The cylinder portion 23 of owner's body 15.

Now, as shown in figure 5, fluid injector 83 is through the through hole for being formed on demarcation strip 72, to the right side of demarcation strip 72 Side is prominent.The insertion of fluid injector 83 of the separator 17 for being projected from the demarcation strip 72 of insulator 13 to the right is formed on mobilizes owner The electromotor through hole 98 in the cylinder portion 23 of body 15.Gap O-ring seals between fluid injector 83 and electromotor through hole 98 Block.Lower openings of the electromotor through hole 98 in cylinder chamber 32.Thus, in the present embodiment, it is not necessary to as in Fig. 4 The 6th oil circuit 57 that the cylinder chamber 32 of separator 17 and engine main body 15 is linked pipe.

In addition, in the case where so separator 17 and insulator 13 are integrally provided, for Fig. 4 in will start The 5th oil circuit 56 that the rocker arm chamber 38 of owner's body 15 and separator 17 link, needs from the top of engine main body 15 to extend to point From the pipe 61 of the fluid-mixing of device 17.However, in the present embodiment, as shown in figure 5, the pipe 61 of fluid-mixing can be with It is winding by way of around adiabatic phosphor bodies 71.Thus, it is possible to not Chong Die with the pipe for being linked to carburetor 12 side The pipe 61 of the winding fluid-mixing of formula.

In addition, the gas return path 58 for linking separator 17 and air filter 11 in for Fig. 4, need from point The pipe 59 of the gas componant of air filter 11 is extended to from device 17.However, in the present embodiment, as shown in figure 5, can By the pipe 59 of gas componant with winding by way of in the downside of carburetor 12.Thus, it is possible to not be linked to carburetion The pipe 59 of the winding gas componant of mode that the pipe of device 12 is overlapped.

As described above, in the present embodiment, separator 17 is separately formed relative to air filter 11, with thermal insulation The demarcation strip 72 of body 13 is integratedly installed.Thus, adiabatic phosphor bodies 71 of the separator 17 in carburetor 12 and insulator 13 Downside is arranged near 15 ground of engine main body than carburetor 12.Especially, in the present embodiment, separator 17 is installed on thermal insulation The bottom of the demarcation strip 72 of body 13, therefore, it is possible to be fixedly mounted in separator 17 than changing in the downside of adiabatic phosphor bodies 71 Oily device 12 is near the position of engine main body 15.Close in the way of the cooling of without prejudice to engine main body 15 can mobilize owner 15 ground of body configures separator 17.

Therefore, in the present embodiment, the 5th oil circuit 56 for linking the rocker arm chamber 38 and separator 17 of engine main body 15 is used The pipe 61 of fluid-mixing can leave to 15 side of engine main body from around carburetor 12, in the insulator of insulator 13 Pass through around main body 71.As a result, can make to be linked to the pipe 61 of the various pipes of carburetor 12, fluid-mixing Do not overlap around carburetor 12.It is difficult to cause pipe to overlap around carburetor 12 each other and rub, the installation exercise of pipe Assembling operation Deng engine pack 4 is improved.In addition, can efficiently using the space in cover component 18.

In contrast, in the case where assuming that for example separator 17 is integrally formed with air filter 11, fluid-mixing Pipe 61 from the top of engine main body 15 around the carburetor 12 by and lead to separator 17.In this case, mix The pipe 61 for collaborating body and the pipe for being linked to carburetor 12 are overlapped around carburetor 12, therefore are interfered with each other and rubbed, and are managed Installation exercise it is poor.

In addition, in the present embodiment, separator 17 is not mounted to air filter 11, and is mounted to insulator 13 Demarcation strip 72.Separator 17 is installed near 15 ground of engine main body, therefore, it is possible to separator 17 is configured at engine pack The vicinity of 4 center of gravity, can improve the weight balancing of engine pack 4.

In contrast, when assuming for example separator 17 is configured on cylinder cap 24, the weight of engine pack 4 Quantitative change is big, therefore, regardless of whether separator 17 is arranged near 15 ground of engine main body, all cannot effectively improve cluster engine The weight balancing of part 4.In addition, in this case, the length of the part more upper than combustor 35 accordingly, there exist and be difficult to The probability of engine main body 15 is cooled down effectively.

In addition, in the present embodiment, separator 17 is arranged near 15 ground of engine main body, therefore, it is possible to by separator The vicinity of 17 centers of gravity for being configured in engine pack 4, can improve the weight balancing of engine pack 4.

In addition, in the present embodiment, separator 17 is separately formed relative to air filter 11, therefore, it is possible to make The compact dimensions of air filter 11, can suppress stretching out for air filter 11, and the size of engine pack 4 can be made tight Gathering.

In addition, in the present embodiment, separator 17 has a fluid injector 83, and a fluid injector 83 is directly inserted Enter an electromotor through hole 98 of engine main body 15.Accordingly, it is not necessary to as by separator 17 and engine main body 15 The pipe of the 6th oil circuit 57 that cylinder chamber 32 links.In addition, the 2nd check valve 91 is also one just enough.And, engine main body 15 The pressure oscillation of cylinder chamber 32 can directly act on separator 17, therefore, without the pressure loss caused by flexible pipe etc., energy The gas-liquid separation performance of separator 17 is improved enough.

And, in the present embodiment, fluid injector 83 and electromotor through hole 98 are set to one group, therefore, even if having When due to engine main body 15 vibration etc. and separator 17 or demarcation strip 72 are swung relative to engine main body 15, fluid injector 83 in electromotor through hole 98 are also difficult to deviate.

[the 2nd embodiment]

The brush cutter 1 of the 2nd embodiment of the present utility model is real with the 1st in this point integrated with insulator 13 of separator 17 The brush cutter 1 for applying mode is different.In the 2nd embodiment, for using identical with the 1st embodiment identical element Title and reference, the description thereof will be omitted.Hereinafter, illustrated centered on difference.

Figure 10 is the exploded perspective view of the separator 17 of the 2nd embodiment of the present utility model and insulator 13.

As shown in Figure 10, the separator shell 81 of separator 17 is integrally formed with demarcation strip 72.Separator shell 81 On the right side of in the of 1st, face 81R is made up of a part for demarcation strip 72.Also, the 1st bottom surface sections 81D of separator shell 81, above the 1st Portion 81U, the 1st front face 81F and the 1st rear face 81B stand up the left surface of demarcation strip 72.In the separator shell 81 Inner side storage inner housing 84.

The separator cover 82 of separator 17 be installed on be straightened the left surface for being arranged at demarcation strip 72 the 1st bottom surface sections 81D, 1st upper surface portion 81U, the 1st front face 81F and the 1st rear face 81B.

The fluid injector 83 of separator 17 is protrudedly formed on the right surface of demarcation strip 72.In the left surface of demarcation strip 72 Offer suction hole 88.

As described above, in the present embodiment, the separator shell 81 and the demarcation strip 72 of insulator 13 of separator 17 It is integrally formed, therefore, it is possible to suppress because making separator 17 and air filter 11 be formed separately the caused parts count of institute Increase.In addition, separator shell 81 is formed using with the component of 13 identical thermal insulation of insulator, therefore, it is possible to suppress The temperature of the fluid-mixing in separator 17, lifts the viscosity of oil component, regardless of whether making separator 17 near engine main body 15 and be configured at the vicinity of engine main body 15, the gas-liquid separation performance of separator 17 can be improved.

In contrast, assuming separator 17 is for example installed on the situation of the side of the cylinder chamber 32 of engine main body 15 Under, the temperature of the fluid-mixing in separator 17 is difficult to decline.

[the 3rd embodiment]

The brush cutter 1 of the 3rd embodiment of the present utility model rocker arm chamber 38 and separator 17 being linked up in the diagram The 5th oil circuit 56 with separator 17 together this point integrated with the demarcation strip 72 of insulator 13 and the brush cutter 1 of the 2nd embodiment It is different.In the 3rd embodiment, for using identical title and accompanying drawing mark with the 2nd embodiment identical element Note, the description thereof will be omitted.Hereinafter, illustrated centered on difference.

Figure 11 is the exploded perspective view of the separator 17 of the 3rd embodiment of the present utility model and insulator 13.

Fluid-mixing path 101 is formed with the left surface of the demarcation strip 72 of insulator 13.Fluid-mixing path 101 from than The upper position of adiabatic phosphor bodies 71 extends to separator shell 81 along above-below direction.The lower end of fluid-mixing path 101 Connect with the gas-liquid separation chamber 85 of separator shell 81 on the side of the 1st front face 81F of separator shell 81.Additionally, The position that the suction hole 88 of the connection of same and rocker arm chamber 38 of inner housing 84 is corresponding is formed with through hole (not shown).Thus, inhale Draw hole 88 can be opened in the inner side for being formed at inner housing 84 reverse U shape shape separates walls 97 outside (front side).

Erect at right surface more upper than adiabatic phosphor bodies 71 position of demarcation strip 72 and be provided with fluid-mixing use Nozzle 102.Fluid-mixing nozzle 102 is connected with fluid-mixing path 101 using the hole of insertion demarcation strip 72.Engine main body 15 rocker arm chamber 38 can be linked with fluid-mixing nozzle 102 using pipe on the right side of demarcation strip 72.Thus, formed in Fig. 4 The 5th oil circuit 56 that rocker arm chamber 38 and separator 17 are linked.

As described above, in the present embodiment, the 72 one landform of demarcation strip of the path of fluid-mixing and insulator 13 Into it is therefore not necessary to by the pipe 61 for linking the fluid-mixing of rocker arm chamber 38 and separator 17 in Fig. 4 separately in insulator 13 demarcation strip 72 is passed on left.The pipe 61 of fluid-mixing can be made to disappear from 12 surrounding of carburetor.

In addition, fluid-mixing path 101 is formed with the insulator 13 with thermal insulation, therefore, it is possible in mixed flow The cooling of fluid-mixing is carried out in body path 101.As a result, the temperature of the fluid-mixing in separator 17 can be reduced, and carry The gas-liquid separation performance of high separator 17.

[the 4th embodiment]

Separator 17 is integratedly being installed by the brush cutter 1 of the 4th embodiment of the present utility model with engine main body 15 This puts different from the brush cutter 1 of the 1st embodiment.Wherein, separator 17 is installed on multiple air coolings of engine main body 15 The downside of fin.In the 4th embodiment, for the 1st embodiment identical element using identical title with And reference, the description thereof will be omitted.Hereinafter, illustrated centered on difference.

Figure 12 is cuing open for the installment state of the separator 17 in the engine pack 4 of the 4th embodiment of the present utility model View.In fig. 12, as engine main body 15, it is illustrated that cylinder portion 23.

Multiple air cold sinks 111 are formed with the outer peripheral portion of the cylinder chamber 32 in cylinder portion 23.Multiple air coolings dissipate Backing 111 is along above-below direction arrangement form.Air cold sink 111 of the demarcation strip 72 of insulator 13 under most is prominent downwards Go out.

Electromotor through hole 98 is formed at the skirt portion 112 corresponding with crankshaft room 34 in cylinder portion 23.Electromotor insertion Hole 98 is connected with crankshaft room 34.

Also, separator 17 is installed on engine main body 15 with the state that fluid injector 83 inserts electromotor through hole 98. Separator 17 is installed on engine main body in the downside of the demarcation strip 72 extended to the lower section of multiple air cold sinks 111 15。

As described above, in the present embodiment, separator 17 is in the position than multiple air cold sinks 111 on the lower Put and be installed on engine main body 15, therefore, it is possible to by separator 17 in the downside of insulator 13 than carburetor 12 near electromotor Install securely on 15 ground of main body.Can be configured near 15 ground of engine main body in the way of the cooling of without prejudice to engine main body 15 Separator 17.

Thus, it is possible to make the pipe 61 of the fluid-mixing of the rocker arm chamber 38 and separator 17 of link engine main body 15 from change Leave to 15 side of engine main body around oily device 12, and lead to around the adiabatic phosphor bodies 71 of insulator 13 from top to down Cross.

As a result, the pipe 61 of fluid-mixing will not be in weight around carburetor 12 with the various pipes for being linked to carburetor 12 It is folded.The installation exercise of pipe becomes easy, and the assembling operation of engine pack 4 is improved.In addition, cover structure efficiently can be utilized Space in part 18.

In addition, in the present embodiment, separator 17 is installed on into engine main body 15, therefore, and separator 17 is pacified Situation loaded on insulator 13 is compared, and the weight of insulator 13 can be suppressed to increase, and, engine pack 4 can be improved Weight balancing.

In addition, the position on the lower of the multiple air cold sinks of ratio of the separator 17 in the engine main body 15 111, Therefore, the air cooling performance for engine main body 15 of multiple air cold sinks 111 will not be damaged.

In addition, by separator 17 is configured at the position than multiple air cold sinks 111 on the lower, no matter separating Whether device 17 is installed on engine main body 15, and heat is all difficult to separator 17 transmit, and can suppress the mixing in separator 17 The temperature of fluid, lifts the viscosity of oil component, improves the gas-liquid separation performance of separator 17.In addition, not being to connect by separator 17 Tie in cylinder chamber 32 but be linked to crankshaft room 34, improve therefore, it is possible to utilize the pressure of the crankshaft room 34 for becoming maximum pressure The gas-liquid separation performance of separator 17.

In contrast, it is cold that separator 17 is for example installed on multiple air on the top of engine main body 15 for example in hypothesis But, in the case of the side of fin 111, the temperature of the fluid-mixing in separator 17 is difficult to decline.

In addition, in the present embodiment, separator 17 has a fluid injector 83, and the fluid injector 83 is inserted directly into be sent out One electromotor through hole 98 of motivation main body 15.Thus, without the need for the pipe for linking separator 17 and engine main body 15. And, the pressure oscillation in the cylinder chamber 32 of engine main body 15 or crankshaft room 34 directly acts on separator 17, therefore, without by The pressure loss that flexible pipe etc. is caused, it is possible to increase the gas-liquid separation performance of separator 17.

And, in the present embodiment, fluid injector 83 and electromotor through hole 98 are set to one group, therefore, even if having When separator 17 or demarcation strip 72 due to engine main body 15 vibration etc. and swing relative to engine main body 15, fluid injector 83 are also difficult to deviate in electromotor through hole 98.

In contrast, in the case where assuming that such as fluid injector 83 and electromotor through hole 98 are more than two, depositing Easily extract in another fluid injector 83 with the fluid injector 83 in a group as basic point, fluid injector 83 and electromotor through hole The probability that air-tightness between 98 is reduced.In addition, being provided with multiple electromotor through holes for leading to cylinder chamber 32 or crankshaft room 34 In the case of 98, pressure differential is produced between these multiple electromotor through holes 98, there is oil from 34 court of cylinder chamber 32 or crankshaft room To the probability that separator 17 flows backwards.In the present embodiment, these probabilities can be eliminated.

Additionally, in the present embodiment, separator 17 is integratedly installed with engine main body 15.

Additionally, also for example in the same manner as in the 2nd embodiment be integrally formed separator shell 81 with insulator 13, Separator shell 81 can also be formed at the position than multiple air cold sinks 111 on the lower in engine main body 15 Put, thus, separator 17 is integrally formed with engine main body 15.

By so ground integrated, can suppress because making what separator 17 and air filter 11 were formed separately and caused The increase of parts count.

Also, can with such as the 3rd embodiment in by from rocker arm chamber 38 to the logical of the fluid-mixing of separator 17 Road (the 5th oil circuit 56 of Fig. 4) is formed at the demarcation strip 72 of insulator 13 and is similarly formed from rocker arm chamber in engine main body 15 The path of 38 fluid-mixings for extending to separator 17 along above-below direction.Alternatively, it is also possible to formed in demarcation strip 72 along The path of the fluid-mixing that above-below direction extends.

Figure 13 is the sectional view of the installment state of the separator 17 in the engine pack 4 of the variation of the 4th embodiment.

In fig. 13, the path 113 for extending to the fluid-mixing of separator 17 from rocker arm chamber 38 along above-below direction is formed In the front side of engine main body 15.

By so ground integrated, the pipe 61 of fluid-mixing can be made to disappear from 12 surrounding of carburetor.

More than embodiment be example preferred embodiment of the present utility model, but this utility model is not limited In this, various modifications or change can be carried out in the range of the purport without departing from utility model.

In the above-described embodiment, separator 17 is installed on the demarcation strip 72 or engine main body 15 of insulator 13, or It is integrally formed with the demarcation strip 72 or engine main body 15 of insulator 13.

Additionally, for example separator 17 can also for example be installed on combustion than carburetor 12 near the position of engine main body 15 Hopper 14 is integrally formed with fuel tank 14.In this case, separator 17 is also relative to 11 independent landform of air filter Into in the downside of carburetor 12 and insulator 13 than carburetor 12 near the setting of 15 ground of engine main body.

In the above-described embodiment, construction of the separator 17 with Fig. 8.

As long as additionally, by for example separator 17 also can carry out gas-liquid separation to fluid-mixing, or beyond Fig. 8 Construction.

For example, in the above-described embodiment, on the right side of the 2 of the inner housing 84 of separator 17 face 84R right surface 84S Form fluted 93.In addition it is also possible in the closely sealed face of the inner housing 84 of such as separator shell 81, such as the 1st right flank The left surface 81S of portion 81R forms fluted 93.

In the above-described embodiment, the gas componant that gas-liquid separation is gone out by separator 17 to air filter 11 supply it is same When make the inner space 39 of liquid component return engine main body 15 that gas-liquid separation goes out.

Additionally, such as separator 17 can also make the oil stock of the liquid component return engine main body 15 that gas-liquid separation goes out Room 43.And, room of part of lubrication of oil etc. can also be needed to return to 38 grade of rocker arm chamber is for example configured with addition.By making The liquid component that gas-liquid separation goes out returns oil circulating system 30, can recycle oil, can suppress the consumption of oil.

Above-mentioned embodiment is the example that this utility model is applied to brush cutter 1.

Additionally, working rig there is also such as stock saw, stock hedgeclipper, coffee harvester.This utility model can It is used in the situation of the engine pack used in these working rigs.

In addition, can also apply to the less working rig of the postural changes such as hay mover, supervisor, cultivator, electromotor, water The electromotor of the fixed working rig such as pump.

And, in the above-described embodiment, the example that fluid injector is being shown, fluid injector can also be many Root.

Additionally, separator can be used internally is configured with the known separator such as the separator of wire netting.

Claims (10)

1. a kind of engine device of working rig, it is characterised in that the engine device includes：

Engine main body, which has：For the cylinder chamber that piston is moved up and down；Crankshaft room, its with the cylinder chamber shape all-in-one-piece inside Space, the oil of lubrication pass through the crankshaft room；And rocker arm chamber, which is formed at the upside of the cylinder chamber, and the engine main body is extremely Few being formed between the crankshaft room and the rocker arm chamber makes oil circulation oil circulating system；

Air filter, which is installed on the engine main body, and extraneous air enters the air filter；

Carburetor, which is installed in the way of between the air filter and the engine main body and described mobilizes owner Body, supplies to the engine main body for the gaseous mixture of the extraneous air that is generated into and fuel；

Insulator, which is installed on the engine main body in the way of between the carburetor and the engine main body, With the adiabatic phosphor bodies being sandwiched between the carburetor and the engine main body；

Separator, which is separately formed relative to the air filter, is connected with the rocker arm chamber, is moved to from the cylinder chamber The fluid-mixing that the gas blowby of the rocker arm chamber and the oil are mixed carries out gas-liquid from the rocker arm chamber into the separator Separate, the liquid component that the gas componant isolated is supplied to the air filter and makes to isolate by the separator returns institute State oil circulating system,

The separator in the carburetor and the downside of the adiabatic phosphor bodies, than the carburetor near the electromotor Main body ground is arranged.

2. the engine device of working rig according to claim 1, it is characterised in that

The insulator have adiabatic phosphor bodies and from the adiabatic phosphor bodies along the engine main body vertically The demarcation strip of extension,

The separator be installed on the demarcation strip than adiabatic phosphor bodies position on the lower or with demarcation strip one Ground is formed.

3. the engine device of working rig according to claim 2, it is characterised in that

The insulator is prolonged along above-below direction with the upper position of adiabatic phosphor bodies described in the ratio from the demarcation strip Reach the path of the fluid-mixing of the separator.

4. the engine device of the working rig according to Claims 2 or 3, it is characterised in that

The separator or the insulator are with the liquid spray projected towards the engine main body from the demarcation strip Mouth,

The engine main body has an electromotor through hole for fluid injector insertion.

5. the engine device of working rig according to claim 1, it is characterised in that

The engine main body has multiple air cold sinks, and the plurality of air cold sink is being formed with the cylinder chamber The periphery of part formed,

The separator is by being installed on the engine main body in the position than the plurality of air cold sink on the lower Or be integrally formed with the engine main body, in the downside of the adiabatic phosphor bodies than the carburetor near the electromotor Main body ground is arranged.

6. the engine device of working rig according to claim 5, it is characterised in that

The engine main body is with the fluid-mixing for extending to the separator from the rocker arm chamber along above-below direction Path.

7. the engine device of the working rig according to claim 5 or 6, it is characterised in that

The separator with the fluid injector projected towards the engine main body from the separator,

The engine main body has an electromotor through hole for fluid injector insertion.

8. the engine device of working rig according to claim 4, it is characterised in that

The separator includes：

Separator shell, outwardly forms in the separator shell and has stated a fluid injector；

Gas-liquid separation chamber, which is formed at the separator shell, and the fluid-mixing to entering from the rocker arm chamber enters circulation of qi promoting Liquid is separated；

Inner housing, which is configured at the gas-liquid separation chamber, is at least formed by the gas-liquid separation chamber with the separator shell Inner surface on, face being formed with the liquid discharge orifice communicated with a fluid injector it is closely sealed；

Multiple separator through holes, inner housing described in its insertion；

Groove, which is formed at the face closely sealed with the separator shell of the inner housing and the formation of the separator shell There is at least one of the face of liquid discharge orifice face, the liquid is extended to from the plurality of separator through hole and discharged Hole.

9. the engine device of working rig according to claim 7, it is characterised in that

The separator includes：

Separator shell, outwardly forms in the separator shell and has stated a fluid injector；

Gas-liquid separation chamber, which is formed at the separator shell, and the fluid-mixing to entering from the rocker arm chamber enters circulation of qi promoting Liquid is separated；

Inner housing, which is configured at the gas-liquid separation chamber, is at least formed by the gas-liquid separation chamber with the separator shell Inner surface on, face being formed with the liquid discharge orifice communicated with a fluid injector it is closely sealed；

Multiple separator through holes, inner housing described in its insertion；

Groove, which is formed at the face closely sealed with the separator shell of the inner housing and the formation of the separator shell There is at least one of the face of liquid discharge orifice face, the liquid is extended to from the plurality of separator through hole and discharged Hole.

10. a kind of working rig, which includes：The action bars of lengthwise；Instrument, which is installed on one end of the action bars；And start Thermomechanical components, which is installed on the other end of the action bars, it is characterised in that

The engine pack includes：

Engine main body, which has：For the cylinder chamber that piston is moved up and down；Crankshaft room, its with the cylinder chamber shape all-in-one-piece inside Space, for receiving the oil of lubrication；And rocker arm chamber, which is formed at the upside of the cylinder chamber, and the engine main body at least exists Being formed between the cylinder chamber, the crankshaft room and the rocker arm chamber makes oil circulation oil circulating system；

Air filter, which is installed on the engine main body, and extraneous air enters the air filter；

Carburetor, which is installed on the electromotor in the way of between the air filter and the engine main body Main body, supplies to the engine main body for the gaseous mixture of the extraneous air that is generated into and fuel；

Insulator, which is installed on the engine main body in the way of between the carburetor and the engine main body, With the adiabatic phosphor bodies being sandwiched between the carburetor and the engine main body；

Separator, which is separately formed relative to the air filter, is connected with the rocker arm chamber, is moved to from the cylinder chamber The fluid-mixing that the gas blowby of the rocker arm chamber and the oil are mixed carries out gas-liquid from the rocker arm chamber into the separator Separate, the liquid component that the gas componant isolated is supplied to the air filter and makes to isolate by the separator returns institute State oil circulating system,

The separator in the carburetor and the downside of the adiabatic phosphor bodies, than the carburetor near the electromotor Main body ground is arranged.