CN1710259A - Four-stroke engine lubricating device - Google Patents
Four-stroke engine lubricating device Download PDFInfo
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- CN1710259A CN1710259A CN 200410059414 CN200410059414A CN1710259A CN 1710259 A CN1710259 A CN 1710259A CN 200410059414 CN200410059414 CN 200410059414 CN 200410059414 A CN200410059414 A CN 200410059414A CN 1710259 A CN1710259 A CN 1710259A
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Abstract
The invention discloses a four stroke engineer lubricating device which forms three independent rooms in the engine: bent shaft room, jam shaft room, and lubricating oil room and plus a oil arranging room for controlling and connecting the other three rooms, and there is lubricating oil storing in the oil room arranged with tunnels of oil tube and set plural oil holes and a air inlet hole at the end, so that when the piston raises producing minus pressure in the bent shaft room, put through the bent shaft room and the oil tube in the lubrication oil room with the arranging room, the air quickly flows in the tubes and quickly atomizing the oil inside and finally into the bent shaft room, and when the piston is at falling stroke the bent shaft room and the jam shaft room is connected so to send the lubricating oil vapour to the jam shaft room.
Description
Technical field
The present invention relates to a kind of lubricating fitting of four-journey engine, particularly a kind of engine that makes carries out work under various differing tilt angles, and can make member obtain proper lubrication.
Background technique
Four-journey engine has than the cleaner discharging of two-stroke engine and economizes the advantage of fuel oil, under the requirement of environmental regulation, there are the small instruments and tools of more Multi task agricultural application and the minitype motivation of leisure usefulness also to adopt four-journey engine, mowing machine for example, repair the tree machine, log splitter or the like, or as at leisure minitype motivation of usefulness such as telecontrolled model engine etc., because the facility of this kind are being operating as any direction activity, relatively engine also must all can turn round down arbitrarily angled, promptly must be provided with thus running institute under the different attitudes of one group of special lubrication system delivery member must lubricate, the mode of being used at present is the lubricant oil atomizing to be made it to flow to each member place again lubricate, and each manufacturer then produces different engine structure according to its design difference.In view of this, the inventor is by feat of for many years experience, and the lubrication system of the engine of four-journey circulation more easily in a kind of simple for structure, use is designed in addition constantly improvement.
Summary of the invention
Main purpose of the present invention provides the lubricating fitting of the four-journey engine that a kind of engine can work under the attitude of toppling over placement arbitrarily, mainly be when piston rises, the negative pressure of utilizing crankshaft room to produce sucks the air of top in the oil chamber of depositing lubricant oil, when flowing at a high speed, gas produces mist of oil by tiny oil-sucking hole suction lubricant oil and atomizing on the oil suction tracheae that submerges in lubricating oil in pipe, again through the running of other mechanism, make lubricant mist flow to the surface of contact of the mechanism of each chamber, make mechanism must obtain suitable lubricating.
Secondary objective of the present invention provides a kind of lubricating fitting of four-journey engine, mainly be to be provided with an oil gas distributor chamber in engine internal, can crankshaft room, oil chamber and camshaft chest be interconnected, when piston rises, connect crankshaft room and oil chamber, make mist of oil enter in the crankshaft room and lubricated bent axle, connecting rod and piston; And when piston descends, connect this crankshaft room and camshaft chest, mist of oil is sent crankshaft room to camshaft chest, the surface of contact of each member of lubricated cam gear and rocker arm body group.
The machine oil that a further object of the present invention provides a kind of innovation reclaims access structure, mainly be on the junction plane between cylinder head body and the cylinder-head cover, to form one around oil duct, should around corner around oil duct is in cylinder-head cover be provided with more than two oiler and near an aperture of roof, though make engine heeling condition how, enter the oil gas of rocker arm chamber or the lubricant oil of the liquefaction of condensing can be recycled to the oil chamber that is recycled to the engine bottom around oil duct again by oiler or aperture.
For achieving the above object, the present invention is provided with three independently containing spaces in engine internal, be respectively crankshaft room, camshaft chest and oil chamber, cooperate a control to be communicated with the oil gas distributor chamber in each space in addition, wherein this oil chamber is provided with lubricant oil, the distributing pipeline of an oil suction tracheae of inside, and be provided with a plurality of tiny oil-sucking holes that run through everywhere in tube wall, no matter any heeling condition of engine, the air suction inlet of this oil suction tracheae all is higher than on the liquid level, and kept more than one oil-sucking hole at least and submerged under the lubricant oil liquid level, this oil gas distributor chamber then can be respectively and crankshaft room, camshaft chest, the oil suction tracheae of oil chamber communicates, and can be when piston rises, only keeping crankshaft room communicates with the oil suction tracheae of oil chamber, and piston is being kept crankshaft room to communicate with camshaft chest when descending, and can make each member of continuous circulating lubrication engine by this.
Description of drawings
Fig. 1 is a mechanism of the present invention front section view;
Fig. 2 is the longitudinal sectional view of another angle of mechanism of the present invention;
Fig. 3 A is the generalized section of camshaft chest of the present invention;
Fig. 3 B is arranged at back oil road generalized section in the body for the present invention;
Fig. 4 A is the sectional view of another lengthwise position of oil chamber of the present invention;
Fig. 4 B is for the worm's eye view of this oil sump bottom of the present invention, for presenting the pipeline distribution map at this place;
Fig. 4 C is an engine when toppling over, the sectional view of another angle of oil chamber of the present invention;
Fig. 5 A is the distribution diagram of lower crankcase junction plane of the present invention and part member;
Fig. 5 B is the section of structure (this moment piston be upward stroke) of oil gas distributor chamber of the present invention under different crankshaft angles;
Fig. 6 A is the distribution diagram of lower crankcase junction plane of the present invention and part member;
Fig. 6 B is that oil gas distributor chamber of the present invention is the section of structure under the different crankshaft angles (this moment, piston rose stroke under being);
Fig. 7 A is the worm's eye view of cylinder-head cover of the present invention, is the distribution map of the asphalt channel at this place of presenting;
Fig. 7 B is the plan view of cylinder head body of the present invention;
Fig. 7 C is the sectional view of cylinder-head cover of the present invention;
Fig. 8 A is the section diagrammatic sketch of the oil chamber of another kind of oil suction tracheae of the present invention;
Fig. 8 B is the longitudinal profile diagrammatic sketch of another angle of the oil chamber of another kind of oil suction tracheae of the present invention;
Fig. 9 A～C is the schematic representation of engine under different tilt states.Among the figure
Bent axle 13
Bearing 14 oil sealings 15
Connecting rod 18 cylinder head bodies 19
Camshaft chest 2
Camshaft 211 gears 212
Rocker arm body group 22
Spill port 23
Oil suction tracheae 4
A oil suction tracheae 41 pipelines 42
B oil suction tracheae 43 pipelines 44
Main oil suction tracheae 45 air suction inlets 451
Oil-sucking hole 46
Oil gas distributor chamber 5
Oil gas control valve 51 oil gas manhole appendix 51a
52 oil extraction gas areas 53, oil suction gas area
Crankshaft room's oil duct 54 demarcation strip 55a
Demarcation strip 55b
Oil Guide air flue 56 camshaft chest oil ducts 57
Branch pipe 58 inlet 58a
Return line 61 return tubes 62
Cylinder-head cover 8
Around oil duct 81 return openings 82
Oiler 83 apertures 84
Oil suction tracheae 9
Pipeline 92 oil gas pipes 93
Oil-sucking hole 94 return tubes 95
Embodiment
Below will be described in further detail at preferred embodiment conjunction with figs. of the present invention.Some yardstick is exaggerated demonstration so that clearer description to be provided with other partly relevant scale ratio.
The lubricating fitting of four-journey engine of the present invention, mainly be that existing crankshaft room, camshaft chest, oil chamber in the script engine structure are slightly redesigned, make it to become the space that is not connected mutually, and cooperate the oil suction tracheae of being set up in a designed in addition oil gas distributor chamber and the oil chamber, in the engine pistons start, utilize the oil gas distributor chamber to connect the space of each chamber in good time, make the oil suction tracheae can further make the lubricant oil in the oil chamber be atomized formation oil gas, send each indoor surface of contact of mechanism that makes again and be able to constantly lubricated.
Please refer to shown in Fig. 1,2, be front view of the present invention and section of structure, this crankshaft room 1 is made of upper crankcase body 11 that comprises cylinder block 10 and lower crankcase body 12, this upper crankcase body 11 is that one is inseparable with cylinder block 10 in this enforcement, but also can be designed to respectively be one separable; The shape of this lower crankcase body 12 is corresponding with this upper crankcase body 11, bolt is arranged between the two, use formation one confined space and be crankshaft room 1, be provided with a bent axle 13 in this crankshaft room 1 case, and the two ends of this bent axle 13 also are arranged with bearing 14 and oil sealing 15 respectively, use and contain this bent axle 13 in crankshaft room 1, and make it to be able in crankshaft room 1, to rotatablely move, this crankshaft room 1 also is connected with cylinder block 10 inner spaces, one firing chamber 16 is formed at these cylinder block 10 its tops, and is provided with piston 17 and connecting rod 18.
This camshaft chest 2, ccontaining cam gear 21 and rocker arm body group 22 are shown in Fig. 1,3A, and these cam gear 21 inside are equipped with camshaft 211, gear 212, and this gear 212 is that power is linked to gear 132 places in the rotating shaft 131 that is arranged at aforementioned bent axle 13.This rocker arm body group 22 is that inside is equipped with rocker arm body 221, and this rocker arm body 221 is that power is linked to aforementioned camshaft 211, and sees through the time process control of camshaft 211, and cooperates the working stroke of this piston 17, reaches fuel oil and intake and exhaust control.
Shown in Fig. 1,2,4A, 4B, this oil chamber 3, it is the close space of an envelope, is made of the lubricant oil casing 30 that is arranged at lower crankcase body 12 bottoms, oil sump 31 and base plate 32, uses to store lubricant oil.This lubricant oil casing 30 can be one-body molded with lower crankcase body 12.
Be provided with oil suction tracheae 4 in this oil chamber 3, this oil suction tracheae 4 is that the pipeline by several connections is constituted, comprise the A oil suction tracheae 41, B oil suction tracheae 43, the main oil suction tracheae 45 that are arranged in the oil chamber 3, reach the pipeline 42,44 that is constituted by oil sump 31 and base plate 32, and make pipeline connect conducting in regular turn; This main oil suction tracheae 45 is provided with an air suction inlet 451, and the path that gas flows after sucking is main oil suction tracheae 45, pipeline 44, B oil suction tracheae 43, pipeline 42, A oil suction tracheae 41.Wherein on this each oil suction tracheal wall, be formed with a plurality of tiny oil-sucking holes that run through 46, with so that the lubricant oil atomizing that sucks, its mode is to utilize when producing negative pressure when other member start of oil suction tracheae 4 internal causes, suck a large amount of gas through main sucking pipe 45, gas can make the lubricant oil atomizing that is sucked by tiny oil-sucking hole 46 at the pressure reduction that narrow pipe passage flow at high speed is produced.
The shape of each tracheae of aforementioned this oil suction tracheae 4 and flow line position or the path of forming, with and go up the number of oil-sucking hole 46 and distributing position all through the design of precision, make it regardless of any heeling condition shown in Fig. 4 C, at least kept more than one oil-sucking hole 46 and submerged under the lubricant oil liquid level 70, preferred embodiment is more than two.This oil suction tracheae 4 also can be with A oil suction tracheae 41, B oil suction tracheae 43, main oil suction tracheae 45 and pipeline 42,44 in addition, and integrating becomes single body, and promptly one is distributed in 3 each corners, oil chamber, and all is provided with the oil suction tracheae of oil-sucking hole at each corner tube wall.
The position of the air suction inlet 451 of the use amount of this lubricant oil 7 and main oil suction tracheae 45 is all through the calculating of precision in addition, shown in this example, this air suction inlet 451 is positioned near 3 central positions, oil chamber, make no matter the engine heeling condition why, suction port 451 all is higher than on the lubricant oil liquid level 70, directly sucks a large amount of liquid lubricant oil when avoiding air-breathing from here.
Shown in Fig. 1 and Fig. 5 A, 5B, oil gas distributor chamber 5 is arranged between upper crankcase body 11 and the lower crankcase body 12, can communicate with the oil suction tracheae 4 of crankshaft room 1, camshaft chest 2 and oil chamber 3 respectively, it comprises oil gas control valve 51, oil suction gas area 52 and oil extraction gas area 53, this oil gas control valve 51 is cylinders, it connects the rotating shaft of this bent axle 13, and both are the member of one in the present embodiment, forms synchronous and coaxial rotation.Be formed centrally crankshaft room's oil duct 54 in this oil gas control valve 51, the crankshaft room 1 that communicating, and run through oil gas control valve 51 sidewalls and form an oil gas manhole appendix 51a.This oil suction gas area 52 and oil extraction gas area 53 are by being the zone of two not intercommunications by up and down demarcation strip 55a, 55b are isolated, these oil suction gas area 52 1 sides are provided with Oil Guide air flue 56 and communicate with it, this Oil Guide air flue 56 also is being communicated with the outlet 41a of this A oil suction tracheae 41, these oil extraction gas area 53 1 sides are provided with camshaft chest oil duct 57 and communicate with it, and these camshaft chest oil duct 57 the other ends also are being communicated with this camshaft chest 2.
This oil gas distributor chamber 5 does an explanation as flowing mode with that, it is shown to please refer to Fig. 5 A and 5B, in the stroke that piston rises, the rotation angle of this oil gas control valve 51 will cause oil gas manhole appendix 51a to be in the oil suction gas area 52, this moment, this crankshaft room's oil duct 54 was communicated with this Oil Guide air flue 56, because of rising, piston make the volume of crankshaft room 1 become the big negative-pressure sucking that produces, suck crankshaft room's oil duct 54, gas in Oil Guide air flue 56 and the oil suction tracheae 4, after main oil suction tracheae 45 sucks the air on the liquid levels 70 in the oil chambers 3, simultaneously because the effect of negative pressure makes the gas of suction produce high-speed air flow, according to the fluid mechanics venturi principle, because the pressure differential deltap P that high-speed air flow produces can will atomize in oil-sucking hole 46 suction pipes of lubricant oil under being distributed in liquid level of oil suction tracheae outside and immediately, the oil gas of atomizing is in aforesaid paths enters crankshaft room 1, and lubricated bent axle 13 reaches the cylinder wall that communicates with crankshaft room, piston, members such as connecting rod.
Shown with reference to figure 6A and Fig. 6 B, in the stroke that piston descends, the rotation angle of this oil gas control valve 51 will cause oil gas manhole appendix 51a to be in the oil extraction gas area 53, then this crankshaft room's oil duct 54 is communicated with this camshaft chest oil duct 57, because of descending, piston makes the supercharging high-pressure that the volume of crankshaft room 1 diminishes and produces, allow the lubricated oil gas of inner atomizing deliver in the camshaft chest 2 via crankshaft room's oil duct 54 and camshaft chest oil duct 57 again, make the attrition surface of inner cam gear 21 and relevant parts such as rocker arm body group 22 grades all can obtain the lubricated of lubricant oil.
In addition, shown in Fig. 2,5A, the lubricant mist that sucks also can enter crankshaft room 1 through another passage, it mainly is to be provided with a branch pipe that is communicated with it 58 in these cylinder block 10 Lower Halves, and the inlet 58a of this branch pipe 58 also is connected with Oil Guide air flue 56, makes in the stroke that piston 17 rises, lubricant mist can suck in the cylinder block 10 through branch pipe 58 in self-conductance oil gas road 56, the lubrication of cylinders wall surface, this partly measures less, is mainly used in the lubricated of privileged site.
How describe the lubricating oil that lubricates behind each house at last reclaims.Shown in Fig. 3 B, this back oil road 6 mainly is to be arranged at engine body one side, extend to lubricant oil casing 30 bottoms by top rocker arm chamber 220 places one side, and communicate as shown in Figure 2 with base plate 32 formed return lines 61 with oil sump 31, communicate with it and be provided with a return tube 62 in this oil chamber 3 in addition, the height of the outlet 621 of this return tube 62 and position must be through designs, preferable position is near 3 centers, oil chamber, and a little more than on the lubricant oil liquid level, avoid tilting when rocking, lubricant oil easily is splashed in the return tube 62 because of rocking.
How this lubricating oil refluxes and puts to back oil road 6 if being described below.When general normal erectility uses, shown in Fig. 3 A～B, be provided with the spill port 23 that runs through in these camshaft chest 2 bottoms and communicate with back oil road 6, the lubricant oil that making condenses liquefies concerns directly in spill port 23 flow to back oil road 6 because of gravity.Perhaps because of the negative pressure that air produced of top, the previous institute oil suction tracheae sucking-off oil chamber of carrying, the also relation that can communicate with it because of the return tube 62 of back oil road 6, and through spill port 23 sucking-offs and withdrawal part lubricant mist.
If when being heeling condition, then with reference to shown in Fig. 1,3A～B and Fig. 7 A～C, for the machine oil that is arranged at rocker arm chamber 220 places reclaims access structure, mainly be located on the junction plane between cylinder head body 19 and the cylinder-head cover 8, shown in Fig. 7 A, mainly be that of forming on this cylinder-head cover 8 around the periphery should be provided with the darker return opening of a degree of depth 82 around oil duct 81 around oil duct 81, the position of this return opening 82 be with cylinder head body 19 on the inlet of back oil road 6 corresponding.Should be provided with two above oilers 83 around oil duct 81 in addition, at present embodiment is to be distributed in four corners, when cylinder-head cover 8 is locked in cylinder head body 19, even form the oil duct of a sealing around oil duct 81, this return opening 82 is being communicated with back oil road 6, and utilize this oiler 83 and rocker arm chamber 220 to communicate, by this as long as engine is not the handstand shape, no matter the heeling condition of engine how, enter the oil gas of upper rocker arm chamber or the lubricant oil of the liquefaction of condensing can be entered in the oil chamber that back oil road 6 is recycled to engine bottom again by oiler 83.In addition, be provided with an aperture 84 that connects wall and communicate near the lid inner top on this cylinder-head cover 8 with return opening 82, during assembling, this aperture 84 is being communicated with this return opening 82 and rocker arm chamber 220 respectively, when engine is handstand state, the mist of oil or the machine oil of liquefaction then can because of the effect of negative pressure by aperture 84 enter return opening 82, back oil road 81 is recycled to the oil chamber again.
This machine oil reclaims the advantage of access structure, except engine all recyclable lubricant oil of any oblique position, therefore partly structure example is as around oil duct 81, return opening 82, oiler 83 etc., all be arranged on the junction plane of cylinder-head cover 8, can make the mould straight forming not need any machining program.
Shown in figure 8A～B, be the another kind of illustration of implementing of the present invention, mainly be the pipeline structure that changes this oil suction tracheae institute's shape in the oil chamber in the present embodiment, this oil suction tracheae 9 comprises a rotatable oil pipe 91, pipeline 92 and oil gas pipe 93, this oil pipe 91 is articulated near the support cylinder axon heart line position, can make 360 degree because of action of gravity when the different inclination of engine rotates freely, its side extending forms the hook-shaped of a bending, inlet 911 is higher than liquid level 70, also be provided with a plurality of oil-sucking holes 94 on the tube wall, make no matter the use heeling condition of engine how or engine be inverted, this oil pipe 91 is sunk in the lubricant oil 7 by the gravity part, at least more than one oil-sucking hole 94 also submerges under the liquid level 70, and this pipeline structure also can produce the function of atomized lubrication oil.But this oil pipe 91 time must consider that in design its 360 degree rotatablely moves in the scope without any member.Because the return tube 95 in this this enforcements of factor is that the body with the pivot-connecting position of oil pipe 91 is same axle center, the outlet 951 of this return tube 95 is in the neutral position, but in the pipe and do not separate shown in the connection (as Fig. 8 A).This back oil road 6 is to be connected with the oil circuit pipe 952 that is positioned at lower crankcase body 12 bottoms among this embodiment, allows lubricant oil directly flow into oil chamber 3 through return tube 95.
Shown in Fig. 9 A～C, then present under the differing tilt angles, the rotation status of the oil pipe 91 of oil suction tracheae 9 and the distribution relation of lubricant oil 7, by among the figure as can be known no matter the use heeling condition of engine how or engine be inverted, sucking pipe 9 has more than one oil-sucking hole 94 at least and submerges under the liquid level of lubricant oil 7, when piston was upward stroke crankshaft room negative pressure, the lubricant oil that makes oil suction tracheae outside was via atomizing in oil-sucking hole 94 suction pipes and immediately.
The above person only is in order to explain preferred embodiment of the present invention; be not that the attempt tool is to do any pro forma restriction to the present invention; be with, all have in that identical invention spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.
Claims (10)
1. the lubricating fitting of a four-journey engine is characterized in that, comprising:
Crankshaft is being accommodated by one crankshaft room, and communicates with the space of piston below;
One camshaft chest is accommodated cam gear and rocker arm body group;
One oil chamber, be a confined space and storing lubricant oil, the inside oil suction tracheae that distributing, this oil suction tracheae least significant end is provided with an air suction inlet, and tube wall is provided with a plurality of tiny oil-sucking holes that run through everywhere, and no matter any heeling condition, this air suction inlet all is higher than on the liquid level, and has kept more than one oil-sucking hole at least and submerge under the lubricant oil liquid level;
One oil gas distributor chamber, can communicate with the oil suction tracheae of crankshaft room, camshaft chest, oil chamber respectively, but in up-stroke of piston, only keep crankshaft room and communicating with the oil suction tracheae of oil chamber, and in the downstroke, then keeping crankshaft room and communicating with camshaft chest.
2. the lubricating fitting of four-journey engine according to claim 1, it is characterized in that: this oil suction tracheae can be distributed in each corner, oil chamber by one, and all be provided with the pipeline of oil-sucking hole at each corner tube wall, the aperture of this oil-sucking hole is tiny, and can make the lubricant oil atomizing that sucks through this hole because of pipeline pressure reduction.
3. the lubricating fitting of four-journey engine according to claim 1, it is characterized in that: this oil suction tracheae can be made of the pipeline of several connections, comprise the A oil suction tracheae, B oil suction tracheae, the main oil suction tracheae that are arranged in the oil chamber, and two pipelines that oil sump and base plate constituted of engine organism bottom, and make each pipe connect the passage that conducting forms an air or oil gas in regular turn, this main oil suction tracheae pipeline that is last section wherein, it is provided with an air suction inlet, no matter the engine heeling condition how, this air suction inlet all is positioned on the lubricant oil liquid level.
4. the lubricating fitting of four-journey engine according to claim 3, it is characterized in that: A oil suction tracheae, the B oil suction tracheorrhaphy of this oil suction tracheae are distributed in inside, oil chamber everywhere, the tube wall oil-sucking hole that runs through of plural number that distributing, the aperture of this oil-sucking hole is tiny, and can make the lubricant oil atomizing that sucks through this hole because of pipeline pressure reduction.
5. the lubricating fitting of four-journey engine according to claim 1 is characterized in that: this oil gas distributor chamber is arranged at a side of the crankshaft room in the engine body, promptly between the junction plane of the upper and lower crankcase body of engine.
6. the lubricating fitting of four-journey engine according to claim 1, it is characterized in that: this oil gas distributor chamber includes an oil gas control valve, oil suction gas area and oil extraction gas area, this oil suction gas area and oil extraction gas area are two zones that are not interconnected, this oil gas control valve is a cylinder, be connected in the rotating shaft of this bent axle, form synchronous and coaxial rotation, form crankshaft room's oil duct in this oil gas control valve, crankshaft room is communicating, and run through oil gas control valve sidewall and form an oil gas manhole appendix in addition, this oil suction gas area one side is provided with the Oil Guide air flue and communicates with the oil suction tracheae of oil chamber, and this oil extraction gas area one side is provided with the camshaft chest oil duct and communicates with camshaft chest.
7. the lubricating fitting of four-journey engine according to claim 1, it is characterized in that: the engine internal body is provided with a back oil road, this back oil road is to extend to the bottom, oil chamber by the top rocker arm chamber outside, and be connected with a set return tube in the oil chamber, the outlet of this return tube is near the central position, oil chamber.
8. the lubricating fitting of four-journey engine according to claim 1, it is characterized in that: the rocker arm chamber place of engine body is provided with a machine oil and reclaims access structure, mainly be located on the junction plane between cylinder head body and the cylinder-head cover, this cylinder-head cover bottom surface is provided with one around oil duct, should be provided with the darker return opening of a degree of depth around oil duct, and be connected with the inlet of back oil road on being arranged at the cylinder head body, should be provided with two above oilers around oil duct in addition, and communicate with rocker arm chamber inside.
9. the lubricating fitting of four-journey engine according to claim 1, it is characterized in that: this oil suction tracheae comprises a rotatable oil pipe, pipeline and oil gas pipe, this oil pipe is articulated near the support cylinder axon heart line position, can make 360 degree because of action of gravity when the different inclination of engine rotates freely, its side extending forms the hook-shaped of a bending, and tube wall is provided with a plurality of oil-sucking holes.
10. the lubricating fitting of four-journey engine according to claim 9, it is characterized in that: in the oil chamber, be provided with a return tube in addition, the body of the oil pipe pivot-connecting position of this return tube and oil suction tracheae is same axle center, the outlet of this return tube is in the neutral position, be communicated with but manage interior and do not separate, this crankcase body bottom is provided with an oil circuit pipe in addition in addition, and this oil circuit pipe is connected with back oil road and return tube respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100594148A CN100393989C (en) | 2004-06-18 | 2004-06-18 | Four-stroke engine lubricating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100594148A CN100393989C (en) | 2004-06-18 | 2004-06-18 | Four-stroke engine lubricating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1710259A true CN1710259A (en) | 2005-12-21 |
| CN100393989C CN100393989C (en) | 2008-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100594148A Expired - Fee Related CN100393989C (en) | 2004-06-18 | 2004-06-18 | Four-stroke engine lubricating device |
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| CN (1) | CN100393989C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452619A (en) * | 2012-05-30 | 2013-12-18 | 周登荣 | Oil way system for aerodynamic engine |
| CN103806977A (en) * | 2014-02-28 | 2014-05-21 | 湖北三江船艇科技有限公司 | Parallel type rotor pump, liquid taking method and engine dry type oil pan lubricating system |
| WO2015165294A1 (en) * | 2014-04-28 | 2015-11-05 | 嘉兴亚特园林机械研究所 | Engine pulse air-oil lubrication system and method |
| CN112832987A (en) * | 2021-01-21 | 2021-05-25 | 宝华海恩斯压缩机(上海)有限公司 | Crankcase lubricating device and crankcase lubricating method |
| CN113153488A (en) * | 2021-04-19 | 2021-07-23 | 国家林业和草原局北京林业机械研究所 | Engine lubricating oil supply system and method for steep hilly region |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6047678A (en) * | 1996-03-08 | 2000-04-11 | Ryobi North America, Inc. | Multi-position operator-carried four-cycle engine |
| DE69807294T2 (en) * | 1997-06-26 | 2003-04-17 | Ishikawajima-Shibaura Machinery Co., Ltd. | Lube oil supply system for four-stroke internal combustion engine |
| JPH11350931A (en) * | 1998-06-05 | 1999-12-21 | Hidaka Engineering:Kk | Lubrication unit for 4-cycle engine |
| JP3901462B2 (en) * | 2001-02-20 | 2007-04-04 | 本田技研工業株式会社 | Engine lubrication equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452619A (en) * | 2012-05-30 | 2013-12-18 | 周登荣 | Oil way system for aerodynamic engine |
| CN103452619B (en) * | 2012-05-30 | 2015-12-02 | 周登荣 | The oil-way system of air-powered motor |
| CN103806977A (en) * | 2014-02-28 | 2014-05-21 | 湖北三江船艇科技有限公司 | Parallel type rotor pump, liquid taking method and engine dry type oil pan lubricating system |
| WO2015165294A1 (en) * | 2014-04-28 | 2015-11-05 | 嘉兴亚特园林机械研究所 | Engine pulse air-oil lubrication system and method |
| CN112832987A (en) * | 2021-01-21 | 2021-05-25 | 宝华海恩斯压缩机(上海)有限公司 | Crankcase lubricating device and crankcase lubricating method |
| CN113153488A (en) * | 2021-04-19 | 2021-07-23 | 国家林业和草原局北京林业机械研究所 | Engine lubricating oil supply system and method for steep hilly region |
| CN113153488B (en) * | 2021-04-19 | 2024-03-15 | 中国林业科学研究院木材工业研究所 | Engine lubricating oil supply system and method for steep hillside fields |
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| CN100393989C (en) | 2008-06-11 |
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