CN109026265A - Valve actuating mechanism, engine and vehicle - Google Patents
Valve actuating mechanism, engine and vehicle Download PDFInfo
- Publication number
- CN109026265A CN109026265A CN201710433100.7A CN201710433100A CN109026265A CN 109026265 A CN109026265 A CN 109026265A CN 201710433100 A CN201710433100 A CN 201710433100A CN 109026265 A CN109026265 A CN 109026265A
- Authority
- CN
- China
- Prior art keywords
- swing arm
- camshaft
- gland
- pedestal
- oil
- 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.)
- Granted
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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
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0476—Camshaft bearings
Abstract
The invention discloses a kind of valve actuating mechanisms, engine and vehicle, valve actuating mechanism includes valve, camshaft, intermediate swing arm, fulcrum bearing and spray bar, valve has valve roller, cam is provided on camshaft, intermediate swing arm is between cam and valve and cam passes through intermediate swing arm driving valve motion, intermediate swing arm is swung around intermediate arm shaft, lift adjustment mechanism is arranged for that intermediate swing arm is driven to rotate around lift adjustment axis, lift adjustment axis is overlapped with the central axis of valve roller, fulcrum bearing is arranged at least for bearer cams axis, spray bar includes tube body, tube body is provided with multiple groups nozzle opening, every group of nozzle opening is used to spray lubricating oil to the intermediate swing arm roller of corresponding intermediate swing arm and/or corresponding cam.Valve actuating mechanism according to the present invention, lubricating oil can be cooled down and be lubricated to intermediate swing arm roller and cam, guarantee the work well of valve actuating mechanism in intermediate swing arm roller and cam work.
Description
Technical field
The present invention relates to vehicle manufacture fields, start in particular to a kind of valve actuating mechanism, with the valve actuating mechanism
Machine and vehicle with the engine.
Background technique
In the related technology, oil duct is equipped in the valve actuating mechanism of engine, lubricating oil can be by oil duct to valve actuating mechanism
Camshaft overhead cam cooled down and lubricated.Since camshaft is located at the top of the cylinder cap of engine, it is circulated to the oil of cam
Road is not easy to arrange, oil duct design is complicated, and oil circuit distance, machine oil crushing is larger, cannot supply rub in time after the engine is started up
The enough oil masses in surface are wiped, cooling and the lubricating difficulties of cam are caused.
Summary of the invention
In view of this, the present invention is directed to propose a kind of cooling and lubrication that at least can more meet part to a certain extent
The valve actuating mechanism of demand.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of valve actuating mechanism, including valve, camshaft, intermediate swing arm, fulcrum bearing and spray bar, the valve have valve
Roller, is provided with cam on the camshaft, and the intermediate swing arm is between the cam and the valve and the cam
By valve motion described in the intermediate swing arm driving, the intermediate swing arm is swung around intermediate arm shaft, the fulcrum bearing setting
At at least for supporting the camshaft, the spray bar is located at the intermediate pendulum for spraying lubricating oil, the spray bar
The top of arm, the spray bar include tube body, and the tube body is provided with multiple groups nozzle opening, nozzle opening described in every group be used for
The intermediate swing arm roller of the corresponding intermediate swing arm and/or the corresponding cam spray lubricating oil.
Further, the fulcrum bearing includes pedestal, pedestal camshaft supporting portion and camshaft gland, is set on the pedestal
It is equipped with pedestal via hole, the pedestal is suitable for being fixed on the cylinder cap of the engine by wearing the bolt of the pedestal via hole,
Pedestal camshaft supporting portion is arranged on the pedestal, and the camshaft gland is arranged in pedestal camshaft supporting portion
On, gland camshaft supporting portion, gland camshaft supporting portion and the pedestal cam are formed on the camshaft gland
It is pivotally supported portion and supports the camshaft jointly.
Further, it is formed with fulcrum bearing oil duct in the fulcrum bearing, is formed with gland oil duct in the camshaft gland,
The fulcrum bearing oil duct is connected with the gland oil duct, and the gland oil duct is connected with the spray bar.
Further, be provided with gland via hole on the camshaft gland, the camshaft gland by wear and with institute
The bolt for stating gland via hole clearance fit is fixed in the fulcrum bearing, the gland via hole and the spiral shell for wearing the gland via hole
Gap between bolt constitutes the gland oil duct.
Further, the closed at one end and other end of the tube body is provided with oil spout pipe fitting, the oil spout pipe fitting
It is inside formed with spray bar connector annular oil groove, the spray bar connector annular oil groove is connected to the gland oil duct.
Further, the oil spout pipe fitting is annular, the bolt of the fixed camshaft gland and the fulcrum bearing according to
It is secondary to pass through the oil spout pipe fitting and the camshaft gland, the oil spout pipe fitting is pressed on the camshaft gland
On.
Further, the pedestal via hole includes intermediate pedestal via hole, described in the upper end perforation of the intermediate pedestal via hole
The bottom surface of the pedestal is run through in pedestal camshaft supporting portion, the lower end of the intermediate pedestal via hole, and the fulcrum bearing oil duct includes
Pedestal camshaft supporting portion is arranged in upper section fulcrum bearing oil duct and lower section fulcrum bearing oil duct, the upper section fulcrum bearing oil duct
On bearing surface, the lower section fulcrum bearing oil duct is for the intermediate pedestal via hole and across the bolt of the intermediate pedestal via hole
Gap.
Further, the intermediate swing arm includes body part, and swing arm axis hole, and the ontology are formed in the body part
The splashing fuel feed hole being connected to the swing arm axis hole is additionally provided in portion, the splashing fuel feed hole is located at the intermediate swing arm roller
Lower section.
Further, the valve actuating mechanism further includes bush of swing arm, and the bush of swing arm is two and is embedded in institute
It states in swing arm axis hole, two bush of swing arm are spaced apart to form the swing arm oil storage being connected to the splashing fuel feed hole between
Slot, the intermediate arm shaft cooperation is in the bush of swing arm.
Further, bush of swing arm oil storage tank, the bush of swing arm oil storage are formed on the inner peripheral surface of the bush of swing arm
Slot is connected to the swing arm oil storage tank.
Compared with the existing technology, valve actuating mechanism of the present invention has the advantage that
1) valve actuating mechanism according to the present invention is lubricated by setting spray bar to intermediate swing arm roller and/or cam injection
Machine oil, lubricating oil can be cooled down and be moistened to intermediate swing arm roller and cam in intermediate swing arm roller and cam work
It is sliding, guarantee the work well of valve actuating mechanism.
2) valve actuating mechanism according to the present invention, by setting fulcrum bearing oil duct and gland oil duct, and make fulcrum bearing oil duct and
Gland oil duct is connected with spray bar, and lubricant further can be cooled down and be lubricated to camshaft.
3) valve actuating mechanism according to the present invention, by the way that splashing fuel feed hole, swing arm oil storage tank and bush of swing arm oil storage tank is arranged,
Lubricant further can be cooled down and be lubricated to the intermediate arm shaft of intermediate swing arm.
Another object of the present invention is to propose a kind of engine, including valve actuating mechanism described in any of the above-described kind.
Another object of the present invention is to propose a kind of vehicle, including above-mentioned engine.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of valve actuating mechanism described in the embodiment of the present invention；
Fig. 2 is the schematic diagram of internal structure of fulcrum bearing described in the embodiment of the present invention；
Fig. 3 is lubrication schematic diagram of the spray bar described in the embodiment of the present invention to cam and intermediate swing arm roller；
Fig. 4 is the structural schematic diagram of intermediate swing arm described in the embodiment of the present invention；
Fig. 5 is the schematic diagram of internal structure of intermediate swing arm described in the embodiment of the present invention；
Fig. 6 is the schematic diagram of internal structure of spray bar described in the embodiment of the present invention.
Description of symbols:
1000- valve actuating mechanism, 101- camshaft, 102- cam, 107- bias axle assembly, the centre 109- arm shaft, 110-
Intermediate swing arm, the centre 111- swing arm roller, 112- linking arm, 113- fulcrum bearing, 114- linking arm fixed pin, 117- spray bar,
118- nozzle opening, 119- oil spout pipe fitting, 120- tube body, 121- spray bar connector annular oil groove, 201- pedestal, 203- pedestal
Camshaft supporting portion, pedestal via hole among 206-, 210- gland via hole, 211- camshaft gland, 212- gland oil duct, on 213-
Section fulcrum bearing oil duct, 214- lower section fulcrum bearing oil duct, 301- body part, 302- swing arm axis hole, 303- splashing fuel feed hole, 304- pendulum
Arm bush, 305- swing arm oil storage tank, 306- bush of swing arm oil storage tank.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Valve actuating mechanism 1000 according to an embodiment of the present invention is described in detail with reference first to Fig. 1-Fig. 6.
As shown in figs 1 to 6, valve actuating mechanism 1000 according to an embodiment of the present invention may include valve (not shown),
Intermediate swing arm 110, eccentric axle assembly 107, camshaft 101, driving motor, fulcrum bearing 113, spray bar 117 etc..The valve actuating mechanism
1000 can be used for controlling the opening and closing of inlet valve.
It is provided with valve rocker at the top of valve, can be rotatably set valve roller on valve rocker.Valve can be along
Valve center line moves up and down to open or close the air inlet in cylinder head (by taking inlet valve as an example schematically illustrate).
Shown in referring to Fig.1, intermediate swing arm 110 is arranged between valve and camshaft 101, and the bottom of intermediate swing arm 110 has
There is driving face (for example, the first driving face and second driving face), driving face is bonded with valve roller.Intermediate swing arm
110 top has intermediate swing arm roller 111, and is equipped with intermediate arm shaft 109 in intermediate swing arm 110, and intermediate swing arm 110 can
It is swung around intermediate arm shaft 109.
As shown in connection with fig. 1, cam 102 is arranged on camshaft 101, cam 102 is bonded with intermediate swing arm roller 111.It is convex
Wheel 102 is rotated with camshaft 101, and camshaft 101 can be joined with the crankshaft of engine by structures such as timing sprocket or Timing Belts
It is dynamic.Fulcrum bearing 113 is fixed on cylinder cap, and linking arm fixed pin 114 is fixed in fulcrum bearing 113, linking arm fixed pin 114 and company
Connect one end (lower end as shown in figure 1) rotation connection of arm 112, the other end (upper end as shown in figure 1) of linking arm 112 and intermediate pendulum
Arm axle 109 is rotatablely connected.
Eccentric axle assembly 107 includes mandrel and the eccentric wheel being set on mandrel, eccentric wheel and mandrel eccentric setting, adjusts
One end (such as stub end) of arm 108 is set in eccentric wheel, the other end (such as small head end) of regulating arm 108 and intermediate arm shaft 109
Rotation connection.Elasticity reset device is used to provide elastic reset power to intermediate swing arm 110 so that intermediate swing arm roller 111 with it is convex
Wheel 102 is bonded always, prevents intermediate swing arm 110 from flying off.Driving motor such as passes through worm and gear machine for driving mandrel to rotate
Structure.
When valve actuating mechanism 1000 works, cam 102 is rotated with camshaft 101, and cam 102 periodically drives intermediate put
Arm 110 is swung around intermediate arm shaft 109, and the driving face of intermediate 110 bottom of swing arm drives valve roller, so that valve is along gas
Door center line moves downward, to open the air inlet in cylinder head, realizes air inlet.Wherein, valve can by valve spring into
Row resets, and intermediate swing arm 110 can be resetted by elasticity reset device.
When needing to adjust valve stroke, driving motor band moving mandrel is rotated clockwise or counterclockwise, thus eccentric shaft
Assembly 107 drives intermediate swing arm 110 to swing around the central axis of linking arm fixed pin 114 by regulating arm 108, to change
The driving face of intermediate swing arm 110 and the contact position of valve roller, and then continuously variably adjust valve lift amount.
Wherein, the central axis of linking arm fixed pin 114 can be with the center of valve roller (when valve-closing air inlet)
Axis is overlapped.
As shown in figure 3, spray bar 117 may include tube body 120, multiple groups nozzle opening has been can be set in tube body 120
118, every group of nozzle opening 118 can be sprayed to the intermediate swing arm roller 111 and/or corresponding cam 102 of corresponding intermediate swing arm 110
Penetrate lubricating oil.Valve actuating mechanism 1000 may include the spaced intermediate swing arm roller 111 and cam mutually to fit of multiple groups
102, every group of nozzle opening 118 opposite one group of intermediate swing arm roller 111 mutually to fit and 102 combined jet of cam can moisten respectively
Sliding machine oil.
Wherein every group of nozzle opening 118 both can spray lubricating oil to intermediate swing arm roller 111, can also be to cam 102
Lubricating oil is sprayed, lubricating oil can also be sprayed to intermediate swing arm roller 111 and cam 102 simultaneously.Since intermediate swing arm is rolled
Son 111 and cam 102 are combined and are mutually fitted, after one of them of intermediate swing arm roller 111 and cam 102 are stained with lubricating oil,
Lubricating oil can be transferred to another by contacting.Lubricating oil can be thus achieved valve actuating mechanism 1000 and work as a result,
In to the lubrication and cooling of intermediate swing arm roller 111 and cam 102.
Valve actuating mechanism 1000 according to an embodiment of the present invention, by setting spray bar 117 to intermediate swing arm roller 111 and/
Or cam 102 sprays lubricating oil, the flow channel of lubricating oil is easier to arrange, lubricating oil can be in intermediate swing arm roller
111 and cam 102 work when, intermediate swing arm roller 111 and cam 102 are cooled down and are lubricated, guarantee valve actuating mechanism 1000
Work well.Moreover, cam 102 is with 101 high speed rotation of camshaft, intermediate swing arm roller when valve actuating mechanism 1000 works
111 can also rotate in intermediate swing arm 100, therefore the lubricating oil meeting being injected on cam 102 and/or intermediate swing arm roller 111
It splashes to surrounding, forms lubrication of splashing, thus can provide lubricating oil to peripolesis component.
Further, as shown in Fig. 2, fulcrum bearing 113 may include pedestal 201, pedestal camshaft supporting portion 203 and cam
Pedestal via hole (including but not limited to intermediate pedestal via hole 206) can be set on pedestal 201 for axis gland 211, and pedestal 201 can
To be fixed on the cylinder cap of engine by the bolt for wearing pedestal via hole, pedestal camshaft supporting portion 203 can be set present
On body 201, camshaft gland 211 be can be set in pedestal camshaft supporting portion 203, can be formed on camshaft gland 211
There is gland camshaft supporting portion, gland camshaft supporting portion and pedestal camshaft supporting portion 203 can common bearer cams axis
101.Thus camshaft 101 can be supported in pedestal 201 and camshaft gland 211, guarantee that camshaft 101 smoothly works.
It further, can in camshaft gland 211 as shown in figure 5, could be formed with fulcrum bearing oil duct in fulcrum bearing 113
To be formed with gland oil duct 212, fulcrum bearing oil duct can be connected with gland oil duct 212, and gland oil duct 212 can be with spray bar
117 are connected.After lubricating oil can first pass through fulcrum bearing oil duct under the action of lubricating machine oil pump from bottom to top, then pass through gland
Oil duct 212 finally enters spray bar 117, it is possible thereby to realize the cooling and lubrication to camshaft 101.
Further, as shown in figure 5, gland via hole 210 has can be set in camshaft gland 211, camshaft gland 211 can
With by wearing and being fixed in fulcrum bearing 113 with the bolt of 210 clearance fit of gland via hole, gland via hole 210 and pressure is worn
Gap between the bolt of lid via hole 210 may be constructed gland oil duct 212.Lubricating oil can along Fig. 2 arrow direction from it is lower to
Upper flowing, camshaft 101 is cooled down and be lubricated.
Further, as shown in Figure 5 and Figure 6, one end of tube body 120 can be closed and oil spout has can be set in the other end
Pipe fitting 119 could be formed with spray bar connector annular oil groove 121, spray bar connector annular oil groove in oil spout pipe fitting 119
121 can be connected to gland oil duct 212.To be flowed by oil spout pipe fitting 119 by the lubricating oil in gland oil duct 212
Tube body 120, and intermediate swing arm roller 111 and/or cam 102 are sprayed to from nozzle opening 118.
Further, as shown in Figure 5 and Figure 6, oil spout pipe fitting 119 can be annular, fixed camshaft gland 211 and branch
The bolt for holding seat 113 can sequentially pass through oil spout pipe fitting 119 and camshaft gland 211, and oil spout pipe fitting 119 is pressed on
On camshaft gland 211.To which bolt can guarantee that oil spout pipe fitting 119 is connected firmly with gland oil duct 212, lubricating oil is not
It can be revealed from the junction of oil spout pipe fitting 119 and gland oil duct 212.
Further, as shown in Fig. 2, pedestal via hole may include intermediate pedestal via hole 206, intermediate pedestal via hole 206
Upper end can penetrate through pedestal camshaft supporting portion 203, and the lower end of intermediate pedestal via hole 206 can run through the bottom surface of pedestal 201, branch
Holding an oil duct may include upper section fulcrum bearing oil duct 213 and lower section fulcrum bearing oil duct 214, and upper section fulcrum bearing oil duct 213 can be set
It sets on the bearing surface in pedestal camshaft supporting portion 203, lower section fulcrum bearing oil duct 214 is intermediate pedestal via hole 206 and passes through this
Gap between the bolt of intermediate pedestal via hole 206.
Lubricating oil can be flowed upwardly into pedestal camshaft supporting portion 203 from fulcrum bearing oil duct to camshaft 101 as a result,
Cooling and lubrication, and further flow upwardly into the gland oil duct 212 in camshaft gland 211.
Further, it as shown in figure 4, intermediate swing arm 110 may include body part 301, could be formed in body part 301
Swing arm axis hole 302 can wear intermediate arm shaft 109 in swing arm axis hole 302, and be also provided with and put on body part 301
The splashing fuel feed hole 303 that arm axle hole 302 is connected to, splashing fuel feed hole 303 can be located at the lower section of intermediate swing arm roller 111, pass through
The splashing of intermediate swing arm roller 111 acts on, and lubricating oil is allowed to enter splashing fuel feed hole 303.
In rotation, the lubricating oil on intermediate swing arm roller 111 can splash downwards intermediate swing arm roller 111 as a result,
It is flowed into swing arm axis hole 302 by splashing fuel feed hole 303, so that lubricating oil can be to the intermediate swing arm in swing arm axis hole 302
Axis 109 is cooled down and is lubricated.
Further, as shown in figure 4, valve actuating mechanism 1000 can also include bush of swing arm 304, bush of swing arm 304 can be with
It for two and can be embedded in swing arm axis hole 302, two bush of swing arm 304 can be spaced apart, thus two swing arm linings
The swing arm oil storage tank 305 being connected to splashing fuel feed hole 303 can be limited out between set 304, swing arm oil storage tank 305 can be with as a result,
Store the lubricating oil to splash when rotating from intermediate swing arm roller 111.
Further, as shown in figure 4, could be formed with bush of swing arm oil storage tank 306 on the inner peripheral surface of bush of swing arm 304,
Bush of swing arm oil storage tank 306 can be connected to swing arm oil storage tank 305.Lubricating oil can be flowed into from swing arm oil storage tank 305 as a result,
In bush of swing arm oil storage tank 306, thus lubricating oil the intermediate arm shaft 109 in swing arm axis hole 302 can be carried out it is cooling and
Lubrication.
The spray bar 117 of the embodiment of the present invention is described below with reference to Fig. 6.
As shown in fig. 6, spray bar 117 may include tube body 120, multiple groups nozzle opening has been can be set in tube body 120
118, every group of nozzle opening 118 can be sprayed to the intermediate swing arm roller 111 and/or corresponding cam 102 of corresponding intermediate swing arm 110
Penetrate lubricating oil.Valve actuating mechanism 1000 may include the spaced intermediate swing arm roller 111 and cam mutually to fit of multiple groups
102, every group of nozzle opening 118 opposite one group of intermediate swing arm roller 111 mutually to fit and 102 combined jet of cam can moisten respectively
Sliding machine oil.
Wherein every group of nozzle opening 118 both can spray lubricating oil to intermediate swing arm roller 111, can also be to cam 102
Lubricating oil is sprayed, lubricating oil can also be sprayed to intermediate swing arm roller 111 and cam 102 simultaneously.Since intermediate swing arm is rolled
Son 111 and cam 102 are combined and are mutually fitted, after one of them of intermediate swing arm roller 111 and cam 102 are stained with lubricating oil,
Lubricating oil can be transferred to another by contacting.Lubricating oil can be thus achieved valve actuating mechanism 1000 and work as a result,
In to the lubrication and cooling of intermediate swing arm roller 111 and cam 102.
The aperture of nozzle opening 118 all can be between 0.3-1.0mm, and thus nozzle opening 118 can have lesser aperture,
The pressure release of nozzle opening 118 is small, so that the influence to the stream pressure of the lubricating oil in tube body 120 is small, furthermore can guarantee to lubricate
There is enough outlet pressures, so that there is lubricating oil enough spray distances to spray to when machine oil flows out in tube body 120
Intermediate swing arm roller 111 and/or corresponding cam 102.
Spray bar 117 according to an embodiment of the present invention, by setting multiple groups nozzle opening 118 to intermediate swing arm roller 111 and/
Or cam 102 sprays lubricating oil, the flow channel of lubricating oil is easier to arrange, lubricating oil can be in intermediate swing arm roller
111 and cam 102 work when, intermediate swing arm roller 111 and cam 102 are cooled down and are lubricated, guarantee valve actuating mechanism 1000
Work well.Moreover, cam 102 is with 101 high speed rotation of camshaft, intermediate swing arm roller when valve actuating mechanism 1000 works
111 can also rotate in intermediate swing arm 100, therefore the lubricating oil meeting being injected on cam 102 and/or intermediate swing arm roller 111
It splashes to surrounding, forms lubrication of splashing, thus can provide lubricating oil to peripolesis component.
In addition, the spray bar 117 of the embodiment of the present invention by by the aperture of nozzle opening 118 be disposed as 0.3-1.0mm it
Between, influence of the nozzle opening 118 to the stream pressure of the lubricating oil in tube body 120 is small, while lubricating oil can be guaranteed in pipe sheet
There is enough outlet pressures, so that there is lubricating oil enough spray distances to spray to intermediate swing arm rolling in body 120 when outflow
Son 111 and/or corresponding cam 102.
Further, the aperture of nozzle opening 118 can be 0.4mm-0.6mm.It is possible thereby to further decrease nozzle opening 118
Influence to the stream pressure of the lubricating oil in tube body 120, while may further ensure that lubricating oil flows in tube body 120
There is enough outlet pressures when out so that lubricating oil have enough spray distances spray to intermediate swing arm roller 111 and/
Or corresponding cam 102.In addition, nozzle opening 118 is more convenient for manufacturing, and aperture is easily controllable relative to smaller aperture due.
Further, stream pressure is smaller and smaller when lubricating oil can be enabled to flow in tube body 120 due to nozzle opening 118, more
The aperture of group nozzle opening 118 can taper off trend on the flow direction of the lubricating oil in tube body 120, i.e., in lubricating machine
Oil stream presses smaller position, and the aperture of nozzle opening 118 is smaller.
According to the continuity equation of liquid it is found that in the case of this when lubricating machine oil stream pressure is smaller, it is also ensured that lubrication
There is enough outlet pressures, so that there is lubricating oil enough spray distances to spray to when machine oil flows out in tube body 120
Intermediate swing arm roller 111 and/or corresponding cam 102.
Further, the aperture of multiple groups nozzle opening 118 can remain unchanged.Thus nozzle opening 118 is more convenient for manufacturing.
In some specific embodiments, every group of nozzle opening 118 may include along the direction interval for being parallel to tube body 120
Multiple nozzle openings 118 of arrangement.
It is understood that the arrangement of nozzle opening 118 can more than that, in other specific embodiments,
Every group of nozzle opening 118 may include along the spaced apart multiple nozzle openings 118 in direction for being orthogonal to tube body 120.
In some other specific embodiment, every group of nozzle opening 118 may be arranged in cross.
In some other specific embodiment, every group of nozzle opening 118 is also arranged on multiple concentric circles.
The oil spout area of every group of nozzle opening 118 is bigger as a result, increases spray bar 117 and sprays to intermediate swing arm roller 111
And/or the lubricating machine oil mass of corresponding cam 102, improve the lubrication of intermediate swing arm roller 111 and corresponding cam 102 and cold
But effect.
Further, as shown in fig. 6, one end of tube body 120 can be closed, and the other end of tube body 120 can be set
It is equipped with oil spout pipe fitting 119, oil spout pipe fitting 119 can be with other devices of valve actuating mechanism 1000 (such as 101 top of camshaft
Camshaft gland 211) in oil duct be connected.
Further, as shown in fig. 6, could be formed with spray bar connector annular oil groove 121 in oil spout pipe fitting 119, profit
Sliding machine oil can be stored in advance in spray bar connector annular oil groove when entering 120 inside of tube body from oil spout pipe fitting 119
In 121, thus oil spout pipe fitting 119 can play the role of adjusting the stream pressure of lubricating oil.
Further, eccentric axle assembly 107 can be placed on the top of cylinder head, and can be equipped with and bias in cylinder head
The eccentric slinger (not shown) that axle assembly 107 is connected to, lubricating oil passes through eccentric slinger, and can to flow to eccentric shaft total
At 107, so that lubricating oil can be lubricated eccentric axle assembly 107 when eccentric axle assembly 107 works.
Flowing over for lubricating oil in the valve actuating mechanism 1000 of one embodiment of the invention is described below with reference to Fig. 2-Fig. 6
Journey.
As shown in Figure 2 and Figure 5, lubricating oil arrow direction first along Fig. 5 is upwardly into from lower end fulcrum bearing oil duct 214
Upper section fulcrum bearing oil duct 213, and camshaft 101 is lubricated, camshaft is continued upwardly into rear portion lubricating oil
Gland 211, and enter in tube body 120 from the gland oil duct 212 in camshaft gland 211 by oil spout pipe fitting 119.
As shown in the arrow direction of Fig. 3 and Fig. 6, from nozzle opening 118 during lubricating oil flows in tube body 120
It is sprayed to cam 102 and/or intermediate swing arm roller 111, to be lubricated to cam 102 and intermediate swing arm roller 111.
As shown in figure 4, intermediate swing arm roller 111 is in rotation, the lubricating oil on intermediate swing arm roller 111 can splash
It passes downwardly through splashing fuel feed hole 303 to flow into swing arm axis hole 302, and further flows into bush of swing arm oil storage tank 306, to moisten
Sliding machine oil can be cooled down and be lubricated to the intermediate arm shaft 109 in swing arm axis hole 302.
Engine of the invention is described below.
The engine of the embodiment of the present invention includes the valve actuating mechanism 1000 of any of the above-described kind of embodiment.
Engine according to the present invention, by the way that valve actuating mechanism 1000 is arranged, convenient for the normal work of engine.
Vehicle of the invention is described below.
The engine of vehicle above-described embodiment of the embodiment of the present invention.
Vehicle according to the invention is convenient for normal vehicle operation by the way that engine is arranged.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of valve actuating mechanism (1000) characterized by comprising
Valve, the valve have valve roller；
Camshaft (101) is provided with cam (102) on the camshaft (101)；
Intermediate swing arm (110), the intermediate swing arm (110) is between the cam (102) and the valve and the cam
(102) valve motion is driven by the intermediate swing arm (110), the intermediate swing arm (110) is around intermediate arm shaft (109)
It swings；
Fulcrum bearing (113), the fulcrum bearing (113) are arranged at least for supporting the camshaft (101)；
Spray bar (117), the spray bar (117) are located at the intermediate pendulum for spraying lubricating oil, the spray bar (117)
The top of arm (110), the spray bar (117) include: tube body (120), and the tube body (120) is provided with multiple groups nozzle opening
(118), nozzle opening described in every group (118) be used for the corresponding intermediate swing arm (110) intermediate swing arm roller (111) and/
Or the corresponding cam (102) sprays lubricating oil.
2. valve actuating mechanism (1000) according to claim 1, which is characterized in that
The fulcrum bearing (113) includes:
Pedestal (201), pedestal via hole is provided on the pedestal (201), and the pedestal (201) is suitable for by wearing the pedestal
The bolt of via hole is fixed on the cylinder cap of the engine；
Pedestal camshaft supporting portion (203), pedestal camshaft supporting portion (203) are arranged on the pedestal (201)；
Camshaft gland (211), the camshaft gland (211) is arranged in pedestal camshaft supporting portion (203), described
Gland camshaft supporting portion, gland camshaft supporting portion and the pedestal camshaft are formed on camshaft gland (211)
Supporting part (203) supports the camshaft (101) jointly.
3. valve actuating mechanism (1000) according to claim 2, which is characterized in that be formed with branch in the fulcrum bearing (113)
An oil duct is held, is formed with gland oil duct (212) in the camshaft gland (211), the fulcrum bearing oil duct and gland oil
Road (212) is connected, and the gland oil duct (212) is connected with the spray bar (117).
4. valve actuating mechanism (1000) according to claim 3, which is characterized in that be arranged on the camshaft gland (211)
There is gland via hole, the camshaft gland (211) is by wearing and being fixed on institute with the bolt of the gland via hole clearance fit
It states on fulcrum bearing (113), the gap between the gland via hole and the bolt for wearing the gland via hole constitutes the gland oil
Road (212).
5. valve actuating mechanism (1000) according to claim 4, which is characterized in that the tube body (120) it is closed at one end
And the other end is provided with oil spout pipe fitting (119), is formed with spray bar connector annular oil groove in the oil spout pipe fitting (119)
(121), the spray bar connector annular oil groove (121) is connected to the gland oil duct (212).
6. valve actuating mechanism (1000) according to claim 5, which is characterized in that the oil spout pipe fitting (119) is annular,
Oil spout pipe fitting (119) and institute described in the screw bolt passes of the fixed camshaft gland (211) and the fulcrum bearing (113)
Camshaft gland (211) are stated, the oil spout pipe fitting (119) is pressed on the camshaft gland (211).
7. valve actuating mechanism (1000) according to claim 3, which is characterized in that the pedestal via hole includes:
The upper end of intermediate pedestal via hole (206), the intermediate pedestal via hole (206) penetrates through pedestal camshaft supporting portion
(203), the bottom surface of the pedestal (201) is run through in the lower end of the intermediate pedestal via hole (206)；
The fulcrum bearing oil duct includes upper section fulcrum bearing oil duct (213) and lower section fulcrum bearing oil duct (214), the upper section fulcrum bearing
Oil duct (213) is arranged on the bearing surface in pedestal camshaft supporting portion (203), and the lower section fulcrum bearing oil duct (214) is
The intermediate pedestal via hole (206) and the gap across the bolt of the intermediate pedestal via hole (206).
8. valve actuating mechanism (1000) according to claim 1, which is characterized in that the intermediate swing arm (110) includes:
Body part (301), the body part (301) is interior to be formed with swing arm axis hole (302), and is also set on the body part (301)
It is equipped with the splashing fuel feed hole (303) being connected to the swing arm axis hole (302), the splashing fuel feed hole (303) is located at the centre
The lower section of swing arm roller (111).
9. valve actuating mechanism (1000) according to claim 8, which is characterized in that further include:
Bush of swing arm (304), the bush of swing arm (304) are two and are embedded in the swing arm axis hole (302), two
The bush of swing arm (304) is spaced apart to form the swing arm oil storage tank being connected to the splashing fuel feed hole (303) between
(305), intermediate arm shaft (109) cooperation is in the bush of swing arm (304).
10. valve actuating mechanism (1000) according to claim 9, which is characterized in that the inner peripheral surface of the bush of swing arm (304)
On be formed with bush of swing arm oil storage tank (306), the bush of swing arm oil storage tank (306) is connected to the swing arm oil storage tank (305).
11. a kind of engine, which is characterized in that including valve actuating mechanism according to claim 1 to 10
(1000)。
12. a kind of vehicle, which is characterized in that including engine according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433100.7A CN109026265B (en) | 2017-06-09 | 2017-06-09 | Valve mechanism, engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433100.7A CN109026265B (en) | 2017-06-09 | 2017-06-09 | Valve mechanism, engine and vehicle |
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| Publication Number | Publication Date |
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| CN109026265A true CN109026265A (en) | 2018-12-18 |
| CN109026265B CN109026265B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710433100.7A Active CN109026265B (en) | 2017-06-09 | 2017-06-09 | Valve mechanism, engine and vehicle |
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| Country | Link |
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| CN (1) | CN109026265B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928641A (en) * | 1987-12-28 | 1990-05-29 | Honda Giken Kogyo Kabushiki Kaisha | Lubricant supplying system for DOHC type multi-cylinder internal combustion engine |
| JP2000104522A (en) * | 1998-09-25 | 2000-04-11 | Toyota Motor Corp | Variable valve system for internal combustion engine |
| JP2005090492A (en) * | 2003-08-08 | 2005-04-07 | Toyota Motor Corp | Variable valve system for internal combustion engine |
| CN1657746A (en) * | 2004-02-17 | 2005-08-24 | 株式会社日立制作所 | Valve operating mechanism of internal combustion engine |
| CN1898458A (en) * | 2003-12-25 | 2007-01-17 | 本田技研工业株式会社 | Valve gear system of engine |
| CN201531290U (en) * | 2009-09-29 | 2010-07-21 | 重庆建设摩托车股份有限公司 | Lubricating structure of overhead air distribution camshaft and rocker-arm roller |
| US20100313838A1 (en) * | 2009-06-16 | 2010-12-16 | Hyundai Motor Company | Cam carrier assembly |
| CN201810409U (en) * | 2010-06-22 | 2011-04-27 | 东风汽车公司 | Cylinder cover structure of gasoline engine |
| JP2011112007A (en) * | 2009-11-30 | 2011-06-09 | Honda Motor Co Ltd | Lubrication structure of valve gear |
| CN202023608U (en) * | 2011-03-04 | 2011-11-02 | 重庆宗申发动机制造有限公司 | Lubricating structure of motorcycle engine |
| CN205172725U (en) * | 2015-10-31 | 2016-04-20 | 中国嘉陵工业股份有限公司（集团） | Motorcycle engine |
-
2017
- 2017-06-09 CN CN201710433100.7A patent/CN109026265B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928641A (en) * | 1987-12-28 | 1990-05-29 | Honda Giken Kogyo Kabushiki Kaisha | Lubricant supplying system for DOHC type multi-cylinder internal combustion engine |
| JP2000104522A (en) * | 1998-09-25 | 2000-04-11 | Toyota Motor Corp | Variable valve system for internal combustion engine |
| JP2005090492A (en) * | 2003-08-08 | 2005-04-07 | Toyota Motor Corp | Variable valve system for internal combustion engine |
| CN1898458A (en) * | 2003-12-25 | 2007-01-17 | 本田技研工业株式会社 | Valve gear system of engine |
| CN100434659C (en) * | 2003-12-25 | 2008-11-19 | 本田技研工业株式会社 | Valve gear system of engine |
| CN1657746A (en) * | 2004-02-17 | 2005-08-24 | 株式会社日立制作所 | Valve operating mechanism of internal combustion engine |
| US20100313838A1 (en) * | 2009-06-16 | 2010-12-16 | Hyundai Motor Company | Cam carrier assembly |
| CN201531290U (en) * | 2009-09-29 | 2010-07-21 | 重庆建设摩托车股份有限公司 | Lubricating structure of overhead air distribution camshaft and rocker-arm roller |
| JP2011112007A (en) * | 2009-11-30 | 2011-06-09 | Honda Motor Co Ltd | Lubrication structure of valve gear |
| CN201810409U (en) * | 2010-06-22 | 2011-04-27 | 东风汽车公司 | Cylinder cover structure of gasoline engine |
| CN202023608U (en) * | 2011-03-04 | 2011-11-02 | 重庆宗申发动机制造有限公司 | Lubricating structure of motorcycle engine |
| CN205172725U (en) * | 2015-10-31 | 2016-04-20 | 中国嘉陵工业股份有限公司（集团） | Motorcycle engine |
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| CN109026265B (en) | 2020-12-22 |
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