CN206129428U - Cylinder end lid respiratory - Google Patents
Cylinder end lid respiratory Download PDFInfo
- Publication number
- CN206129428U CN206129428U CN201621194429.XU CN201621194429U CN206129428U CN 206129428 U CN206129428 U CN 206129428U CN 201621194429 U CN201621194429 U CN 201621194429U CN 206129428 U CN206129428 U CN 206129428U
- Authority
- CN
- China
- Prior art keywords
- oil
- cylinder head
- head cover
- chamber
- respiratory system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0461—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a cylinder end lid respiratory. Cylinder end lid respiratory includes the cylinder cap body, breathes board and return flange, cylinder cap body and the fixed sedimentation chamber that forms of breathing board, breathe fixed oil return chamber and the inlet channel of forming of board and return flange, inlet channel and sedimentation chamber intercommunication, sedimentation chamber and oil return chamber intercommunication, the oil return intracavity is equipped with the oil gallery, sedimentation chamber and atmosphere intercommunication. The utility model discloses cylinder end lid respiratory can overturn wantonly, the phenomenon of lubricating oil and oil spout can not appear burning.
Description
Technical field
This utility model is related to cylinder head cover technical field, more particularly to a kind of cylinder head cover respiratory system.
Background technology
The cylinder head cover of existing general purpose engine typically adopts valve plate-type, is easily damaged using valve block for a long time, and valve is not
Can in time close, cause fuel injection event occur.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of be not in fuel injection event cylinder head cover respiratory system.
To solve the above problems, this utility model provides a kind of cylinder head cover respiratory system, including cylinder cap body, breathing plate and
Return flange, the cylinder cap body and breathing plate are fixed to form precipitation chamber, the breathing plate and return flange fix to be formed oil back chamber and
Inlet channel, the inlet channel is connected with precipitation chamber, and the precipitation chamber connects with oil back chamber, and the oil return intracavity is provided with oil return
Hole, the precipitation chamber and atmosphere.
Further, the cylinder cap body is provided with the venthole with atmosphere.
Further, the breathing plate is provided with oil leaking hole and oil leak post, and the oil leak post is provided with perforation.
Further, the spill port that the return flange is provided with oil-recovery tank and connects with oil-recovery tank.
Further, the precipitation intracavity is provided with buffer gear, and the buffer gear is used to buffer oil gas flowing velocity.
Further, the buffer gear is rubber blanket.
Further, the buffer gear is in labyrinth type.
This utility model cylinder head cover respiratory system connects inlet channel with the valve distributor chamber in engine block, Ran Houtong
Cross spill port to connect with fuel reserve tank, using the pressure reduction between each chamber, keep mist of oil to be separated in precipitation intracavity, then returning
Concentrate in oil pocket and be back to fuel reserve tank, eliminate valve block, for a long time using being also not in oil spout.
Description of the drawings
Fig. 1 is the structural representation of the better embodiment of four-stroke engine lubricating system of the present invention.
Fig. 2 is the sectional view of four-stroke engine lubricating system of the present invention.
Fig. 3 is another sectional view of four-stroke engine lubricating system of the present invention.
Fig. 4 is the attachment structure schematic diagram of crankshaft room and fuel reserve tank.
Fig. 5 is the attachment structure schematic diagram of valve distribution and fuel reserve tank.
Fig. 6 is the structural representation of rocking arm.
Fig. 7 is the top view of rocking arm.
Fig. 8 is the structural representation of cylinder head cover.
Fig. 9 is the sectional view of A-A in Fig. 8.
Figure 10 is the structural representation of cylinder head cover.
Figure 11 is the structural representation for breathing plate.
Figure 12 is the structural representation of return flange.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.
As shown in figure 1, the better embodiment of four-stroke engine lubricating system of the present invention is included with cylinder head one
Engine block 1, cylinder head cover 2 and fuel reserve tank 3, the cylinder head cover 2 and fuel reserve tank 3 are each provided at the upper end of engine block 1, the oil storage
Case 3 is located at outside engine block 1.
It is described to be provided with crankshaft room 11, valve distributor chamber 12 and the crankshaft room in engine block 1 referring to figs. 2 to Fig. 5
The valve box 13 that 11 lower sections are arranged, in valve box 13 check valve 131 is provided with, and is led between the crankshaft room 11 and valve distributor chamber 12
Cross valve box 13 to connect.The upper end of the engine block 1 is provided with cylinder head cover 2, and the lower end of the engine block 1 is additionally provided with flywheel 14；Institute
State cylinder head cover 2 to communicate with air, the cylinder head cover 2 is provided with venthole 211, the venthole 211 is connected with valve distributor chamber 12,
The upper end for making its valve distributor chamber 12 communicates with air.The fuel reserve tank 3 is located at the top of flywheel 14, rationally make use of flywheel 14
With electromotor vacancy, compare existing design and fuel reserve tank 3 is located in engine block 1, reduce whole electromotor and take up room, make
Its engine block 1 product reduces, during the power source as cutter or chain saw, the center of gravity of whole apparatus closer to human body center,
Using it is convenient and be easy to control.
Valve opening and circulatory flow are provided with the valve box 13, valve box 13 is connected by valve opening with crankshaft room 11, described
The circulatory flow of valve box 13 is connected with valve distributor chamber 12.The check valve 131 is located in valve box 13 for diaphragm type valve block, is used
In opening or closing valve opening.Due to the elevating movement of piston, the pressure in crankshaft room 11 is pulsation, is handed between positive and negative pressure
For conversion；When the pressure rise in crankshaft room 11, valve block opens valve opening；When the pressure in crankshaft room 11 reduces, valve block is closed
Valve closing hole.Bent axle 111 is provided with the crankshaft room 11, bent axle 111 is connected with piston.
Refer to reference to Fig. 6 and Fig. 7, in the valve distributor chamber 12 valve gear system is provided with, valve gear system is included
There are timing gears 121, Timing Belt 122, cam 129, camshaft 123, rocker arm shaft 124, intake rocker 125 and exhaust rocker arm 126,
The rocker arm shaft 124 and camshaft 123 are each provided on engine block 1, and the intake rocker 125 and exhaust rocker arm 126 are each provided at
On rocker arm shaft 124, intake and exhaust rocking arm 126 is in X shapes during vertical view, and on the cam axle 123, cam 129 drives camshaft 123
Rotate, the one end of the Timing Belt 122 is connected with cam, and the other end of Timing Belt 122 is connected with timing gears 121.The synchronization
The lubricant mist in valve distributor chamber 12 is brought into camshaft 123 one end with 122, to lubricate the parts of upper end.The air inlet
Rocking arm 125 and exhaust rocker arm 126 are installed on an axle, directly reduce the width of electromotor, while can also be by rocker arm shaft 124
Installation site move down, and the suitability of rocking arm and piston can also be kept, compare the engine block of existing two rocker arm shafts 124
1 product is less.A rocker arm shaft 124, the angle between inlet valve 127 and exhaust valve 128 is only used to diminish simultaneously so that entirely to shake
The angle of whole reduced spaces of arm mechanism, inlet valve 127 and exhaust valve 128 can be close to vertically, also therefore can be by air inlet gas
Road is designed to be close to vertically, air inlet is more smoothly flowed in cylinder, can so obtain the electromotor of higher performance, especially
It is that air inlet is smooth in electromotor high rotating speed, makes the air-fuel ratio of electromotor in proper range, plays good performance.
The fuel reserve tank 3 includes casing 31 and case lid 32, and the case lid 32 is bolted to form receiving with casing 31
Chamber.Case lid 32 is provided with tank filler sleeve described in the casing 31, closure 33 is provided with tank filler sleeve and is sealed, and be able to will be moistened by tank filler sleeve
Lubricating oil is poured into in fuel reserve tank 3.The casing 31 is provided with return flow line 311, one end of the return flow line 311 and accommodating chamber
Connection, one end of the return flow line 311 connects with cylinder head cover 2, and the casing 31 is integrally formed with engine block 1, is easy to work
Skill is manufactured.The fuel reserve tank 3 is used to store lubricating oil, and mist of oil generator is provided with fuel reserve tank 3, and mist of oil generator is used
In stirring lubricating oil producing mist of oil.The mist of oil generator is provided with oil discharge passage, and the oil discharge passage passes through flowline
51 connect fuel reserve tank 3 with crankshaft room 11, and the valve distributor chamber 12 is connected by oil return pipe 52 with fuel reserve tank 3, the cylinder head
The bottom of lid 2 is provided with spill port 241 and connects with fuel reserve tank 3.
The mist of oil generator includes rotating shaft, oil mixing board 42 and reducing sleeve 43, and the reducing sleeve 43 is set in rotating shaft,
Rotating shaft can be rotated relative to reducing sleeve 43, on the fixed rotating shaft of the oil mixing board 42.The rotating shaft is integrally formed with camshaft 123, just
Manufacture and install in technique.The rotating shaft and each oil mixing board 42 are equipped with oil discharge passage, fuel-displaced logical on each oil mixing board 42
Road is connected with the oil discharge passage in rotating shaft, and the oil discharge passage in the rotating shaft is connected by reducing sleeve 43 with flowline 51.Specifically
For, the oil mixing board 42 includes two special-shaped blades, and each abnormity is provided with oil groove 422 and installing hole, two special-shaped blades
Fixed, two combinations of oil groove 422 form oil discharge passage, and the rotating shaft is arranged in installing hole；The rotating shaft is provided with fuel feed hole
And oil outlet, fuel feed hole and oil outlet connect with the oil discharge passage in rotating shaft, and the fuel feed hole is located in installing hole；The switching
Collecting chamber is provided with set 43 and goes out oil pocket, collecting chamber is connected with oil pocket is gone out, and the oil discharge passage in the rotating shaft is connected with collecting chamber,
Oil outlet i.e. in rotating shaft be located at collect intracavity, it is described go out oil pocket connected with crankshaft room 11 by flowline 51.The reducing sleeve
43 are integrally formed with fuel reserve tank 3, i.e., reducing sleeve 43, casing 31 and engine block 1 are integrally formed, and are easy to technique to manufacture.
As shown in Fig. 8 to Figure 12, the cylinder head cover 2 includes cylinder cap body 21, rubber blanket 22, breathing plate 23 and return flange
24, the cylinder cap body 21, rubber blanket 22, breathing plate 23 and return flange 24 are from top to bottom overlapped successively to be fixed.The cylinder cap sheet
Body 21 is provided with the venthole 211 with atmosphere, and on the breathing plate 23 and return flange 24 air inlet 231,243 is equipped with,
Oil leaking hole 232 and oil leak post 233 are equipped with four corner edges of the breathing plate 23, the oil leak post 233 is provided with perforation, institute
State return flange 24 and be provided with oil-recovery tank 242 and spill port 241, the spill port 241 connects with the return flow line 311 of fuel reserve tank 3
It is logical.The cylinder cap body 21 and breathing plate 23 form precipitation chamber, and the breathing plate 23 and return flange 24 form oil back chamber.When starting
When machine horizontal positioned is run, oil gas enters precipitation chamber by air inlet 231,243, and then gas is discharged by venthole 211, together
When the mist of oil that enters with gas by the stream of oil leaking hole 232 on breathing plate 23 to oil back chamber, lubricating oil is collected in oil return intracavity
In oil-recovery tank 242, and return flow line 311 is entered by spill port 241, so as to flow back to fuel reserve tank 3.When electromotor stands upside down, gas
Body enters cylinder head cover 2 again by air inlet 231,243, is then discharged by venthole 211, and lubricating oil passes through oil leak post 233
Oil back chamber is inhaled into, fuel reserve tank 3 is finally entered.In the same manner, when no matter electromotor inclines to which direction, lubricating oil all can pass through
Oil leaking hole 232 or the suction fuel reserve tank of oil leak post 233.The rubber blanket 24 takes the shape of the letter U, and for stopping the flowing velocity of oil gas, enters one
The lubricating oil that avoids of step is discharged with gas.In other embodiments, the rubber blanket 24 can also be labyrinth type.
Crankshaft room 11 is due to piston up-down, and up negative pressure is maximum, therefore so the pressure in crankshaft room 11 is less than storage
Pressure in fuel tank 3.Valve block room is connected by the passage of cylinder head cover 2 with valve distributor chamber 12 with air, and fuel reserve tank 3 passes through oil return
Runner is connected with cylinder head cover 2, communicates with air indirectly by cylinder head cover 2, therefore the pressure in fuel reserve tank 3 is less than valve distributor chamber
12。
The available following formula expression of the relation between pressure in each room：
Pc ＜ Po ＜ Pv ＜ Pt
Wherein：Pc is the pressure in crankshaft room 11, and Po is pressure in fuel reserve tank 3, and Pv is the pressure in valve distributor chamber 12,
Pt is the pressure in cylinder head cover 2.
During electromotor works, oil mixing board 42 is allowed to produce with 123 turns of camshaft, the lubricating oil for stirring accumulator bottom
Mist of oil, due to Pc during piston stroking upward<Po, so lubricating oil passes sequentially through and stirs oil, rotating shaft, reducing sleeve 43 and flowline 51 and suck song
Axle room 11, is lubricated to the linkage of bent axle 111 in crankshaft room 11, and now check valve 131 is closed.The list when descent of piston
Open to valve 131, will connect between crankshaft room 11 and valve block room, while check valve 131 can improve Oil-gas Separation, lubricating oil is entered
Valve distributor chamber 12, and driven by Timing Belt 122 each parts are lubricated, a part of unnecessary lubricating oil passes through oil return
Pipe 52 returns to accumulator.Waste gas in engine block 1 enters cylinder head cover 2 by air inlet, after Oil-gas Separation in cylinder head cover 2,
Gas carries out secondary utilization into air filter, and lubricating oil flows back to fuel reserve tank 3 and completes whole profit by the spill port 241 of cylinder head cover 2
Slip over journey.
Fuel reserve tank 3, crankshaft room 11, valve distributor chamber 12, cylinder head cover 2 are sequentially communicated, and by valve distributor chamber 12 and oil storage
Case 3 is directly connected, and check valve 131 is arranged between crankshaft room 11 and valve distributor chamber 12, when pressure rise in crankshaft room 11
Open, close during reduced pressure, lubricating oil backflow can be prevented effectively from.Using the pressure pulse in crankshaft room 11, in making fuel reserve tank 3
The mist of oil of generation is recycled to crankshaft room 11, valve distributor chamber 12 and fuel reserve tank 3 from fuel reserve tank 3.When electromotor arbitrarily overturns, its profit
Lubricating oil can flow into each chamber from mist of oil generator and can flow back to fuel reserve tank 3 and complete whole circulation.And fog lubrication is compared
The lubricating system of splashing, can more thoroughly lubricate parts.
Embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using the present invention
The equivalent structure that description and accompanying drawing content are made, is directly or indirectly used in other related technical fields, in the same manner at this
Within the scope of patent protection of invention.
Claims (7)
1. a kind of cylinder head cover respiratory system, it is characterised in that：Including cylinder cap body, breathing plate and return flange, the cylinder cap body
Fix to form precipitation chamber with breathing plate, the breathing plate and return flange are fixed to form oil back chamber and inlet channel, and the air inlet is led to
Road is connected with precipitation chamber, and the precipitation chamber connects with oil back chamber, and the oil return intracavity is provided with spill port, the precipitation chamber and air
Connection.
2. cylinder head cover respiratory system as claimed in claim 1, it is characterised in that：The cylinder cap body is provided with and atmosphere
Venthole.
3. cylinder head cover respiratory system as claimed in claim 1, it is characterised in that：The breathing plate is provided with oil leaking hole and leakage
Oil column, the oil leak post is provided with perforation.
4. cylinder head cover respiratory system as claimed in claim 1, it is characterised in that：The return flange be provided with oil-recovery tank and with
The spill port of oil-recovery tank connection.
5. cylinder head cover respiratory system as claimed in claim 1, it is characterised in that：The precipitation intracavity is provided with buffer gear, institute
Buffer gear is stated for buffering oil gas flowing velocity.
6. cylinder head cover respiratory system as claimed in claim 5, it is characterised in that：The buffer gear is rubber blanket.
7. cylinder head cover respiratory system as claimed in claim 5, it is characterised in that：The buffer gear is in labyrinth type.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194429.XU CN206129428U (en) | 2016-11-04 | 2016-11-04 | Cylinder end lid respiratory |
| DE102017124881.1A DE102017124881A1 (en) | 2016-11-04 | 2017-10-24 | Cylinder head cover ventilation system |
| CA2984400A CA2984400C (en) | 2016-11-04 | 2017-10-31 | Cylinder head cover breathing system |
| US15/801,316 US20180135480A1 (en) | 2016-11-04 | 2017-11-01 | Cylinder head cover breathing system |
| JP2017212492A JP2018031382A (en) | 2016-11-04 | 2017-11-02 | Breather system of cylinder head cover |
| FR1760325A FR3058463B1 (en) | 2016-11-04 | 2017-11-02 | CYLINDER HEAD COVER BREATHING SYSTEM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194429.XU CN206129428U (en) | 2016-11-04 | 2016-11-04 | Cylinder end lid respiratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129428U true CN206129428U (en) | 2017-04-26 |
Family
ID=58578184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621194429.XU Active CN206129428U (en) | 2016-11-04 | 2016-11-04 | Cylinder end lid respiratory |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20180135480A1 (en) |
| JP (1) | JP2018031382A (en) |
| CN (1) | CN206129428U (en) |
| CA (1) | CA2984400C (en) |
| DE (1) | DE102017124881A1 (en) |
| FR (1) | FR3058463B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590808A (en) * | 2018-06-27 | 2018-09-28 | 青岛华涛汽车模具有限公司 | A kind of integrated morphology of rebreather of engine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3163555B2 (en) * | 1994-07-14 | 2001-05-08 | ヤマハ発動機株式会社 | Engine blow-by gas discharge device |
| JP4458727B2 (en) * | 2001-09-19 | 2010-04-28 | 本田技研工業株式会社 | Breather device for handheld four-cycle engine |
| DE102004010583B4 (en) * | 2004-03-02 | 2006-01-12 | Ab Skf | oil separator |
| JP4890321B2 (en) * | 2007-03-30 | 2012-03-07 | 本田技研工業株式会社 | Vertical engine |
| US8047186B2 (en) * | 2008-11-24 | 2011-11-01 | Toyota Motor Engineering & Manufacturing North America, Inc. | Oil separator |
| US8857417B2 (en) * | 2009-12-30 | 2014-10-14 | Kawasaki Jukogyo Kabushiki Kaisha | Engine for vehicle |
| EP2390477B1 (en) * | 2010-05-26 | 2012-12-05 | Fiat Powertrain Technologies S.p.A. | Separator device for a system for recirculation of the blow-by gases of an internal combustion engine |
| CN204082356U (en) * | 2014-08-07 | 2015-01-07 | 隆鑫通用动力股份有限公司 | There is cylinder head cover and the motor thereof of gas oil separation structure |
-
2016
- 2016-11-04 CN CN201621194429.XU patent/CN206129428U/en active Active
-
2017
- 2017-10-24 DE DE102017124881.1A patent/DE102017124881A1/en not_active Withdrawn
- 2017-10-31 CA CA2984400A patent/CA2984400C/en not_active Expired - Fee Related
- 2017-11-01 US US15/801,316 patent/US20180135480A1/en not_active Abandoned
- 2017-11-02 JP JP2017212492A patent/JP2018031382A/en active Pending
- 2017-11-02 FR FR1760325A patent/FR3058463B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR3058463B1 (en) | 2022-07-15 |
| CA2984400C (en) | 2021-11-09 |
| US20180135480A1 (en) | 2018-05-17 |
| CA2984400A1 (en) | 2018-05-04 |
| JP2018031382A (en) | 2018-03-01 |
| FR3058463A1 (en) | 2018-05-11 |
| DE102017124881A1 (en) | 2017-12-28 |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant |