CN107223180A - Engine air valve lifter anti-rotation device - Google Patents
Engine air valve lifter anti-rotation device Download PDFInfo
- Publication number
- CN107223180A CN107223180A CN201680009603.5A CN201680009603A CN107223180A CN 107223180 A CN107223180 A CN 107223180A CN 201680009603 A CN201680009603 A CN 201680009603A CN 107223180 A CN107223180 A CN 107223180A
- Authority
- CN
- China
- Prior art keywords
- main body
- engine
- vaginal plug
- roller lifter
- receiving channel
- 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.)
- Withdrawn
Links
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- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 5
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
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- 239000003921 oil Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
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- 229910001000 nickel titanium Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
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- 238000000465 moulding Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- 229910018643 Mn—Si Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
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- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L1/245—Hydraulic tappets
-
- 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
- F01L1/14—Tappets; Push rods
- F01L1/146—Push-rods
-
- 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
- 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
- F01M9/104—Lubrication of valve gear or auxiliaries of tappets
-
- 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
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L2001/2427—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of an hydraulic adjusting device located between cam and push rod
-
- 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
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L1/245—Hydraulic tappets
- F01L2001/256—Hydraulic tappets between cam and push rod
-
- 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
- F01L2305/00—Valve arrangements comprising rollers
-
- 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
- F01L2307/00—Preventing the rotation of tappets
-
- 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
- F01L2810/00—Arrangements solving specific problems in relation with valve gears
- F01L2810/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
- F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
- F16B21/18—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details
- F16B21/183—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details internal, i.e. with spreading action
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
A kind of engine roller lifter in valve train for internal combustion engine includes main body, anti-rotation device and clip.The main body can have the outer periphery surface of the sliding motion in the hole for being disposed for being located in the engine.The main body can limit the receiving channel being formed in the outer periphery surface.The main body can also be limited to the groove formed at the receiving channel.The anti-rotation device can include receiving the vaginal plug in the receiving channel of the main body.The vaginal plug can stretch out from the outer periphery surface of the main body.The vaginal plug can be configured to be located at and be defined in the hole slot in the cylinder head of the internal combustion engine.The clip can be received by the groove and by vaginal plug capture in the receiving channel.
Description
The cross reference of related application
This application claims the U.S. Patent Application No. 62/103,387 submitted on January 14th, 2015 and in 2015 1
The priority for the U.S. Patent Application No. 62/104,121 that the moon is submitted on the 16th.The disclosure of application is incorporated by reference into above
Herein.
Technical field
The disclosure relates generally to the roller follower for being used to contact the camshaft in internal combustion engine valve train
Type hydraulic lash regulation tappet.
Background technology
Roller lifter can be used to reduce in engine valve train rubs and therefore provides increased fuel warp
Ji property.In further advantage, roller lifter can quickly open valve than flat tappet lifter and continue the longer time.
In this respect, air-flow can faster and be for longer periods obtained, the ability for producing power is added.
Provided herein is background description be in order to the purpose of the background of the disclosure is generally presented.The inventor currently signed
Work, scope described in the background parts and when submitting may not additionally as the description of prior art side
Face, neither clearly nor is impliedly recognized the prior art for the disclosure.
The content of the invention
A kind of engine roller lifter in valve train for internal combustion engine includes main body, anti-rotation device
And clip.The main body can have the neighboring table of the sliding motion in the hole for being disposed for being located in the engine
Face.The main body can limit the receiving channel being formed in the outer periphery surface.The main body can also be limited to described
The groove formed at receiving channel.The anti-rotation device can include receiving the vaginal plug in the receiving channel of the main body.
The vaginal plug can stretch out from the outer periphery surface of the main body.The vaginal plug, which can be configured to be located at, is defined in institute
State in the hole slot in the cylinder head of internal combustion engine.The clip can be received by the groove and capture the vaginal plug
In the receiving channel.
According to supplementary features, the clip can include C clamp.The vaginal plug can include the first and second salient angle masters
Body portion.The first salient angle main part is keyed in the receiving channel to prevent the radial motion of the vaginal plug.It is described
Second salient angle main part can extend radially outwardly beyond the outer periphery surface of the main body.The second salient angle main part
A pair of parallel side wall can be included.The vaginal plug can be with cold forming.The vaginal plug is additionally may included in has finger-like thereon
The extension of part.The finger can be configured to prevent the rotation of the C clamp.The main body can also include being formed at
Groove and interface channel in the periphery surface.The main body can also include interconnection.Collect in the groove
Oil can flow to the interface channel and enter the interconnection to lubricate the roller being arranged on the roller lifter
Bearing.
According to the supplementary features of the disclosure, the engine roller in a kind of valve train for internal combustion engine is lifted
Device can include main body, anti-rotation device and coupling arrangement.Shown main body, which can have, to be disposed for being located at the engine
In hole in sliding motion outer periphery surface.The main body can limit the reception being formed in the outer periphery surface and lead to
Road.The anti-rotation device can include the vaginal plug with the first and second salient angle main parts.The first salient angle main body
Part can be configured in the receiving channel that installation site is slidably received in the main body.The second salient angle main part
Dividing can stretch out from the outer periphery surface of the main body.The second salient angle main part can be configured to be located at and be defined in
In hole slot in the cylinder head of the internal combustion engine and forbid the rotation of the vaginal plug and the main body.The connection
Device can couple the anti-rotation device at the receiving channel.
According to supplementary features, the main body can also include the groove being formed in the outer periphery surface and connection is logical
Road.Main body can also include interconnection.The oil collected in the groove can flow to the interface channel and enter institute
Interconnection is stated to lubricate the roller bearing being located on the roller lifter.
In further feature, the coupling arrangement can include fixing screws.In another configuration, the coupling arrangement can
With the clip received including the groove by being defined in the main body.The clip can receive vaginal plug capture described
In passage.In other configurations, the coupling arrangement can include annealing.The main body can be in the area around the vaginal plug
Differential annealing in domain.Limiting the circumferential edges region of the entrance of passage can anneal and to internal shaping with closed circumference and by institute
Vaginal plug is stated to be trapped in the passage.
According to other configurations, the coupling arrangement can include riveting, wherein the vaginal plug can be relative to the master
Body is riveted.The first salient angle main part can be compressed axially and be radially expanded, and be formed with the receiving channel of the main body
Interference fit.In another configuration, the coupling arrangement includes resistance welding.In another configuration, the coupling arrangement includes
Laser welding.
A kind of engine roller lifter in valve train for internal combustion engine includes main body and anti-rotational dress
Put.The main body can have the outer periphery surface of the sliding motion in the hole for being disposed for being located in the engine.Institute
The receiving channel being formed in the outer periphery surface can be limited by stating main body.The anti-rotation device can include having first
The vaginal plug of main part and the second main part.First main part can be formed as complementary geometry to connect
Receive in the receiving channel.The vaginal plug can be formed by intelligent memory alloy.It is described the vaginal plug is navigated to
After in receiving channel, the engine roller lifter can be heat-treated, solidifies the shape of the vaginal plug by described to draw
Lead the installation site that plug is maintained in the receiving channel.The outer periphery surface of second main part from the main body is outside
Extension.Second main part can be configured to be located at and be defined in the hole slot in the cylinder head of the internal combustion engine simultaneously
And forbid the rotation of the vaginal plug and the main body.
According to further feature, the main body further defines the groove formed at the receiving channel.Clip can be by the groove
Receive.The clip captures the vaginal plug in the receiving channel.The clip can be formed by intelligent memory alloy,
So that the clip is fixed in the groove by heat treatment.The main body can also be recessed in the periphery surface including being formed at
Groove and interface channel.The main body also includes interconnection.The oil collected in the groove flow to the interface channel simultaneously
Into the interconnection to lubricate the roller bearing being located on the roller lifter.
Brief description of the drawings
The disclosure will be more fully understood from the detailed description and the accompanying drawings, wherein：
The rolling that Fig. 1 is an example constructions according to the disclosure and shown in exemplary V-type valve train mechanisms
Sub- lifter；
Fig. 2 is the side perspective of the roller lifter of an example constructions according to prior art；
Fig. 3 is the front perspective view of Fig. 2 roller lifter and shows retaining clip with exploded view；
Fig. 4 is the roller lifter including roller lifter main body and vaginal plug of an example constructions according to this teaching
Side perspective；
Fig. 5 is the detailed perspective view of the vaginal plug of Fig. 4 roller lifter；
Fig. 6 is the schematic diagram of the vaginal plug of another example according to the disclosure；
Fig. 7 is another example constructions according to the disclosure and is shown as being maintained in roller lifter main body with C clamp
Vaginal plug top view；
Fig. 8 is the side perspective of Fig. 7 roller lifter main body；
Fig. 9 is the side perspective of Fig. 7 vaginal plug；And
Figure 10 is the detailed view at the interface between the relative hole slot in the cylinder head of vaginal plug and engine.
Embodiment
With reference first to Fig. 1, it is illustrated according to the roller lifter of the disclosure example constructions and generally with attached
Icon note 10 is identified.Roller lifter 10 is illustrated as a part for V-type arrangement.Although it will be appreciated that roller lifter 10 is with V-type
Arrangement shown, but roller lifter 10 can be used with other arrangements in the scope of the present disclosure.Non-limiting show at one
In example, this teaching can also be applied to fuel pump actuator.In this respect, it is described herein related to roller lifter 10
Feature goes for various applications.Cam lobe 12 drives the first end of rocking arm 14 with push rod 16 indirectly.Should
When understanding, in some configurations of such as overhead cam, roller lifter 10 can be between cam lobe 12 and rocking arm 14
Direct connecting rod.The second end actuating valve 20 of rocking arm 14.When cam lobe 12 rotates, rocking arm 14 is pivoted around fixing axle 22.
Roller lifter 10 is contacted with cam 12 and by conventional roller bearing or roller follower 24 (such as needle bearing type)
Follow cam 12.Skilled artisans will appreciate that, the disclosure is not limited to any specific roller follower design, or example
Such as, no matter the axle of roller carries bushing with needle bearing or only.
Roller lifter 10 is configured to along its axis in the lifter receiver hole 26 being formed in engine cylinder-body 28
Move back and forth.Gap 29 can be defined between receiver hole 26 and roller lifter 10.As will be appreciated that herein, pressurization is started
Machine oil can be flow to around roller lifter from the engine motor oil passage P being formed in engine cylinder-body 28 around gap 29
In the groove 44 of formation.Groove 44 may be used as oil conservator to provide lubrication for roller follower 24.
With reference first to Fig. 2 and 3, the roller lifter 10A of an example according to prior art is shown and will described.Rolling
Sub- lifter 10A generally includes main body 30A, and it has to receive returns leakage component 32A in main body 30A.Roller bearing 34A can
It is rotatably mounted to main body 30A.Anti-rotational component 36A includes vaginal plug 38A and keeps clip 40A.Main body 30A includes being configured to
Periphery for the sliding motion in the hole (not specifically illustrated) that is located in the engine cylinder-body or cylinder head of internal combustion engine
Side surface 42A.Main body 30A includes being formed at wherein and from the groove 50A and a pair of sunk parts of outer periphery surface 42A indents
52A.Vaginal plug 38A includes a pair of the cylindrical section 54A extended from center body portion 56A.
Clip 40A is kept to generally include the ring main body 60A with the anti-rotational projection 62A from its extension.It is anti-rotational prominent
Play the outer periphery surface 42A that 62A extends radially beyond main body 30A in installation site.Anti-rotational projection 62A is configured to be located at or key
Enter in the corresponding hole slot (not specifically illustrated) in cylinder head to forbid the roller lifter around longitudinal axis during operation
Rotation.Clip 40A is kept to snap fit onto in groove 50A to capture vaginal plug 38A.Specifically, the cylindrical section of this pair
54A can be formed in the corresponding sunk part 52A in body 30A.In assembling position, this pair cylinder section
54A with the radially projecting outer periphery surface 42A beyond main body 30A and can be keyed in the corresponding hole slot of cylinder head.
Turning now to Fig. 4-6, by roller lifter 10 of the description according to an example constructions of this teaching.Roller lifter
10 generally include main body 30, and it has to receive returns leakage component 32 in main body 30.Roller follower 24 (Fig. 1) is rotatably
It is installed to main body 30.Anti-rotation device 36 includes being fixed to at least one in fixing screws 39 and/or C clamp 40 (Fig. 6)
The vaginal plug 38 of main body 30.Main body 30 includes being disposed for being located at hole slot in the cylinder head of internal combustion engine (referring to example
Such as hole slot 158, Figure 10) in sliding motion outer periphery surface 42.Around the formation groove 44 of outer periphery surface 42.Main body 30 is wrapped
Include and be formed at wherein and from the receiving channel 50 of the indent of outer periphery surface 42, it is configured to receive vaginal plug 38.
Vaginal plug 38 correspondingly includes the first and second salient angle main parts 52 and 54.First salient angle main part 52 is configured
Into in slideably received within the receiving channel 50 to main body 30.First salient angle body portion 52 will be keyed in passage 50 to prevent guiding
The radial motion of plug 38.Groove 60 is defined in main body 30 to receive C clamp 40 at passage 50.C clamp 40 will can be guided
Plug 38 is maintained in passage 50 and prevents the axial movement of vaginal plug 38.
Second salient angle main part 54 extends radially beyond the outer periphery surface 42 of main body 30 in installation site.Second salient angle
Main part 54 is configured to be located at or keyed in the corresponding hole slot (see, for example, hole slot 158, Figure 10) in cylinder head so as in behaviour
Roller lifter is forbidden to surround the rotation of longitudinal axis during work.
Main body 30 includes interface channel 70 formed therein.Interface channel 70 can be from the indent of outer periphery surface 42.Even
Road 70 is connected to fluidly connect with interconnection 74.(in main body 30 and engine cylinder-body around the periphery surface 42 of main body 30
Between hole) return leakage oil can capture in groove 44.From groove 44, oil can flow to interface channel by interconnection 74
To lubricate roller bearing 34 in 70.
Turning now to Fig. 7-10, by roller lifter 110 of the description according to another example constructions of this teaching.Roller is lifted
Device 110 generally includes main body 130, and it has to receive returns leakage component 132 in main body 130.Roller bearing (referring to Fig. 1) can
It is rotatably mounted to main body 130.Anti-rotation device 136 includes the vaginal plug 138 that main body 130 is fixed to C clamp 140 (Fig. 7).
Main body 130 includes being disposed for being located at hole in the cylinder head of internal combustion engine or engine cylinder-body (see, for example, hole slot
158, Figure 10) outer periphery surface 142 of the sliding motion in.Main body 130 includes being formed at wherein and from outer periphery surface 142
The passage 150 of indent, it is configured to receive vaginal plug 138.
Vaginal plug 138 correspondingly includes the first and second salient angle main parts 152 and 154.First salient angle main part 152
It is configured to be slidably received in the passage 150 of main body 130 on direction as shown in Figure 8 generally upwards.First is convex
Angle main part 152 will be keyed in passage 150 to prevent the radial motion of vaginal plug 138.Groove 160 is defined at passage 150
To receive C clamp 140 in main body 130.Vaginal plug 138 can be maintained in passage 150 and prevent guiding by C clamp 140
The axial movement of plug 138.In one example, the cold forming of vaginal plug 138.
Second salient angle main part 154 extends radially beyond the outer periphery surface 142 of main body 130 in installation site.Second
Salient angle main part 154 can have a pair of parallel side wall 156.Second salient angle main part 154 is configured to be located at or key in gas
In corresponding hole slot 158 (Figure 10) in cylinder cap 159 so as to forbid during operation roller lifter surround longitudinal axis rotation.
Extension 162 can be formed on vaginal plug 138.Extension 162 can be the vaginal plug of such as cold forming material overflow
The result of 138 forming process.It is explained further, can be configured to allow in vaginal plug 138 for the mould in cold forming
One end forms projection.Extension 162 can also include being configured to prevent from keeping the rotation of the C clamp 140 of vaginal plug 138
The finger 164 (Fig. 9) turned, further improves reliability.
Main body 130 includes interface channel 170 formed therein and exterior groove 172 (Fig. 8).Interface channel 170 and outer
Portion's groove 172 can be from the indent of outer periphery surface 142.Interface channel 170 by exterior groove 172 and interconnection 174 fluidly
Connection.Oil interconnection 174 can be flow between interface channel 170 and exterior groove 172 with lubricate roller bearing (referring to
Fig. 1).
According to the further feature of the disclosure, additional coupling arrangement and/or connection technology can be provided so as to by vaginal plug
138 are maintained in the passage 150 of the main body 130 of roller lifter 110.In one example, the main body of roller lifter 110
130 can be in differential annealing in the region around vaginal plug 138.In some instances, once the metal softening of vaginal plug 138,
It can be molded towards vaginal plug 138 or shape vaginal plug 138 being maintained in passage 150.Additionally or alternatively, limit
The circumferential edges region 180 of the entrance of passage 150 can anneal and with closed circumference and be captured vaginal plug 138 to internal shaping
In passage 150.
In other examples, vaginal plug 138 can be riveted relative to the main body 130 of roller lifter 110.When riveting,
Vaginal plug 138 can be interference fitted in the passage of main body 130.In a non-limiting example, vaginal plug 138 can be with
It is slidably inserted into passage 150.Once insertion, can use the instrument of such as riveting punch press axially to compress vaginal plug 138.
Being compressed axially can be radially expanded the outer surface of the first salient angle main part 152 (and second salient angle main part 154), with master
The formation interference fit of passage 150 of body 130.Permanent joint can cause vaginal plug 138 being maintained in passage 150.
In other configurations, vaginal plug 138 can in passage 150 resistance welding to main body 130.It can also use such as
Other welding operations of laser welding are so that vaginal plug 138 is connected in main body 130.It will be appreciated that above-mentioned additional connection skill
Art can apply equally to other configurations disclosed herein, the vaginal plug 38 and main body 130 of such as roller lifter 10.This
Outside, in some instances, a variety of connection technologies disclosed herein can be used together vaginal plug capturing roller lifting
The main body of device.
According to the supplementary features of the disclosure, the various parts of roller lifter, vaginal plug and/or clip can be by shape or intelligence
Can memorial alloy (SMA) formation.In general, SMA is " can to remember " metal of its original-shape or original shape.SMA is
Martensite crystal material, it can mould, then be plastically deformed, and subsequently heat-treated to return to desired shape.Once
Insertion, can be heat-treated vaginal plug 138.As used herein, term " heat treatment " is used to represent to raise SMA temperature
So that SMA is returned into its original-shape or original shape more than to transition temperature.As non-limiting example, some SMA include
NiTi (Ni-Ti, or Nitinol), copper, zinc and aluminium alloy (Cu-Zn-Al)；Copper, al and ni (Cu-Al-Ni)；Iron, manganese and silicon
(Fe-Mn-Si).Other SMA can be used in the scope of the present disclosure.
In one configuration, the example with reference to shown in Fig. 7-9, vaginal plug 138 can be formed by SMA.Although will refer to
Vaginal plug 138 carries out following discussion, but vaginal plug can be by with other similar geometrics in the scope of the present disclosure
SMA is formed.It will be appreciated that vaginal plug can be with the shape initial formation consistent with expectation " installation " shape to routing 150
Or molding.
In one configuration, vaginal plug 138 can be introduced into the passage 150 of main body 130.In some instances, guide
Plug 138 can be plastically deformed before inserting in passage 150.The temperature of rise vaginal plug 138 makes it become original-shape.At this
The shape of vaginal plug 138 is fixed on the installation site in passage 150 by aspect, heat treatment.It will be appreciated that roller lifter 110
Can together it be heated with vaginal plug 138, the installation site for making SMA vaginal plugs 138 be fixed in passage 150.By vaginal plug
138 are fixed to the installation site in passage 150, and vaginal plug 138 tolerance can be obtained relative to passage 150 or gap coordinates.Should
The need for example eliminates auxiliary retainer (such as c clevis 140).Moreover, such configuration eliminates installation vaginal plug 138
Particular tool the need for, reason is during installation without press-fit.
In another example, c clevis 140 can be formed by SMA.Again, c clevis 140 can with relative to main body 130
The consistent shape initial formation of expectation " installation " shape or molding.Vaginal plug 138 can be introduced to the passage 150 of main body 130
In, and then positioning c clevis 140 (or other auxiliary maintaining bodies).C clevis 140 can be heat-treated, so that it becomes its is original
Shape, obtains the fixed relationship with main body 130 and vaginal plug 138 is fixed in passage 150.Again, in some instances,
Whole component (roller lifter 110, vaginal plug 138 and c clevis 140) can be heated together, it is understood that SMA member will be to heat
Processing suitably reacts.It can also be appreciated that more than one part can be formed by SMA.For example, vaginal plug 138 and c clevis
140 can all be formed by SMA and synergistically " be returned " to it with connecting relation after the heat treatment with geometry arrangement
Original-shape.
In order to which the purpose of illustration and description provides the described above of example.This is not intended as the exhaustive or limitation disclosure.
The single element or feature of particular example are typically not limited to the particular example, but be under applicable circumstances it is interchangeable,
And it can be used in selected example, even if being not shown or described in detail.It can also be varied in many ways.These
Change is not to be regarded as a departure from the disclosure, and all such modifications are intended to be included in the scope of the present disclosure.
Claims (24)
1. the engine roller lifter in a kind of valve train for internal combustion engine, the engine roller lifter
Including：
Main body, the main body has the outer periphery surface of the sliding motion in the hole for being disposed for being located in the engine,
The main body limits the receiving channel being formed in the outer periphery surface, and the main body further defines the shape at the receiving channel
Into groove；
Anti-rotation device, the anti-rotation device includes receiving the vaginal plug in the receiving channel of the main body, the guiding
Fill in and stretch out from the outer periphery surface of the main body, the vaginal plug, which is configured to be located at, is defined in the internal combustion engine
In hole slot in cylinder head；And
Clip, the clip is received by the groove and by vaginal plug capture in the receiving channel.
2. engine roller lifter according to claim 1, wherein the clip is C clamp.
3. engine roller lifter according to claim 2, wherein the vaginal plug includes the first and second salient angle masters
Body portion.
4. engine roller lifter according to claim 3, wherein being connect described in the first salient angle main part key entry
Receive in passage to prevent the radial motion of the vaginal plug.
5. engine roller lifter according to claim 4, wherein the second salient angle main part is radially outward prolonged
Stretch the outer periphery surface beyond the main body.
6. engine roller lifter according to claim 5, wherein the second salient angle main part is flat including a pair
Row side wall.
7. engine roller lifter according to claim 6, wherein the vaginal plug cold forming.
8. engine roller lifter according to claim 7, wherein the vaginal plug is additionally included in has finger-like thereon
The extension of part, the finger is configured to prevent the rotation of the C clamp.
9. engine roller lifter according to claim 1, wherein the main body also includes being formed at the periphery table
Groove and interface channel in face, the main body also include interconnection, wherein the oil collected in the groove flow to institute
State interface channel and enter the interconnection to lubricate the roller bearing being arranged on the roller lifter.
10. the engine roller lifter in a kind of valve train for internal combustion engine, the engine roller lifting
Device includes：
Main body, the main body has the outer periphery surface of the sliding motion in the hole for being disposed for being located in the engine,
The main body limits the receiving channel being formed in the outer periphery surface；
Anti-rotation device, the anti-rotation device includes the vaginal plug with the first and second salient angle main parts, described first
Salient angle main part is configured in the receiving channel that installation site is slidably received in the main body, the second salient angle master
Body portion stretches out from the outer periphery surface of the main body, and the second salient angle main part is configured to described positioned at being defined in
In hole slot in the cylinder head of internal combustion engine and forbid the rotation of the vaginal plug and the main body；And
Coupling arrangement, the coupling arrangement couples the anti-rotation device at the receiving channel.
11. engine roller lifter according to claim 10, wherein the main body also includes being formed at the periphery
Groove and interface channel in the surface of side, the main body also include interconnection, wherein collecting the oil flowing in the groove
To the interface channel and enter the interconnection to lubricate the roller bearing being located on the roller lifter.
12. engine roller lifter according to claim 10, wherein the coupling arrangement includes fixing screws.
13. engine roller lifter according to claim 10, wherein the coupling arrangement is included described in being defined in
The clip that groove in main body is received, the clip captures the vaginal plug in the receiving channel.
14. engine roller lifter according to claim 10, wherein the coupling arrangement includes annealing, wherein described
Main body differential annealing in the region around the vaginal plug.
15. engine roller lifter according to claim 14, wherein limiting the circumferential edges region of the entrance of passage
Anneal and with closed circumference and the vaginal plug is trapped in internal shaping in the passage.
16. engine roller lifter according to claim 10, wherein the coupling arrangement includes riveting, wherein described
Vaginal plug is riveted relative to the main body.
17. engine roller lifter according to claim 16, wherein the first salient angle main part is compressed axially
And it is radially expanded, the receiving channel formation with the main body is interference fitted.
18. engine roller lifter according to claim 10, wherein the coupling arrangement includes resistance welding.
19. engine roller lifter according to claim 10, wherein the coupling arrangement includes laser welding.
20. the engine roller lifter in a kind of valve train for internal combustion engine, the engine roller lifting
Device includes：
Main body, the main body has the outer periphery surface of the sliding motion in the hole for being disposed for being located in the engine,
The main body limits the receiving channel being formed in the outer periphery surface, and the main body further defines the shape at the receiving channel
Into groove, be formed at groove and interface channel in the outer periphery surface, the main body also includes interconnection, wherein collecting
Oil in the groove flow to the interface channel and enters the interconnection is arranged in the roller lifting to lubricate
Roller bearing on device；
Anti-rotation device, the anti-rotation device includes the vaginal plug with the first and second salient angle main parts, described first
Salient angle main part is configured in the receiving channel that installation site is slidably received in the main body, the second salient angle master
Body portion stretches out from the outer periphery surface of the main body, and the second salient angle main part is configured to described positioned at being defined in
In hole slot in the cylinder head of internal combustion engine and forbid the rotation of the vaginal plug and the main body；And
Clip, the clip is received by the groove and by vaginal plug capture in the receiving channel.
21. the engine roller lifter in a kind of valve train for internal combustion engine, the engine roller lifting
Device includes：
Main body, the main body has the outer periphery surface of the sliding motion in the hole for being disposed for being located in the engine,
The main body limits the receiving channel being formed in the outer periphery surface；And
Anti-rotation device, the anti-rotation device includes the vaginal plug with the first main part and the second main part, described
First main part is formed as the geometry of complementation to receive in the receiving channel, and the vaginal plug is by intelligent memory
Alloy is formed, wherein after the vaginal plug is navigated in the receiving channel, being heat-treated the engine roller lifting
Device solidifies the shape of the vaginal plug vaginal plug is maintained to the installation site in the receiving channel so that described the
The outer periphery surface of two main parts from the main body stretches out, and second main part is configured to described positioned at being defined in
In hole slot in the cylinder head of internal combustion engine and forbid the rotation of the vaginal plug and the main body.
22. engine roller lifter according to claim 21, wherein the main body is further defined in the receiving channel
Locate the groove formed, the engine roller lifter also includes：
Clip, the clip is received by the groove and by vaginal plug capture in the receiving channel.
23. engine roller lifter according to claim 22, wherein the clip is formed by intelligent memory alloy, makes
It must be heat-treated and the clip is fixed in the groove.
24. engine roller lifter according to claim 21, wherein the main body also includes being formed at the periphery
Groove and interface channel in surface, the main body also include interconnection, wherein the oil collected in the groove is flow to
The interface channel simultaneously enters the interconnection to lubricate the roller bearing being located on the roller lifter.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562103387P | 2015-01-14 | 2015-01-14 | |
| US62/103,387 | 2015-01-14 | ||
| US201562104121P | 2015-01-16 | 2015-01-16 | |
| US62/104,121 | 2015-01-16 | ||
| PCT/US2016/013409 WO2016115346A1 (en) | 2015-01-14 | 2016-01-14 | Engine valve lifter anti-rotation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107223180A true CN107223180A (en) | 2017-09-29 |
Family
ID=56406385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680009603.5A Withdrawn CN107223180A (en) | 2015-01-14 | 2016-01-14 | Engine air valve lifter anti-rotation device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20170306810A1 (en) |
| EP (1) | EP3245390A4 (en) |
| CN (1) | CN107223180A (en) |
| WO (1) | WO2016115346A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111655977A (en) * | 2017-12-28 | 2020-09-11 | 伊顿智能动力有限公司 | Engine valve lifter with anti-rotation plug |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10082050B2 (en) * | 2015-09-16 | 2018-09-25 | Eaton Intelligent Power Limited | Anti-rotation device for lifter |
| US10690016B2 (en) * | 2016-02-19 | 2020-06-23 | Eaton Intelligent Power Limited | Engine valve lifter having anti-rotation plug |
| US10199817B2 (en) | 2016-06-24 | 2019-02-05 | Cooper Technologies Company | Variable diameter core termination with variable diameter housing |
| USD835583S1 (en) * | 2017-06-21 | 2018-12-11 | Cooper Technologies Company | Electrical cable termination with pull tabs and through holes |
| CN111194377B (en) | 2018-01-31 | 2022-08-16 | 伊顿智能动力有限公司 | Two-piece riser assembly |
| JP7172752B2 (en) * | 2019-03-07 | 2022-11-16 | 株式会社デンソー | fuel injection pump |
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| DE19600852A1 (en) * | 1996-01-12 | 1997-07-17 | Schaeffler Waelzlager Kg | Anti=rotation component of lifter of valve gear of combustion engine |
| EP1619358A1 (en) * | 2004-07-24 | 2006-01-25 | INA-Schaeffler KG | Periodically actuated tappet for a valve or pump drive |
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- 2016-01-14 EP EP16737880.1A patent/EP3245390A4/en not_active Withdrawn
- 2016-01-14 CN CN201680009603.5A patent/CN107223180A/en not_active Withdrawn
- 2016-01-14 WO PCT/US2016/013409 patent/WO2016115346A1/en active Application Filing
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|---|---|---|---|---|
| US5263386A (en) * | 1992-11-24 | 1993-11-23 | General Motors Corporation | Roller cam follower guide |
| DE19600852A1 (en) * | 1996-01-12 | 1997-07-17 | Schaeffler Waelzlager Kg | Anti=rotation component of lifter of valve gear of combustion engine |
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| DE102009013131A1 (en) * | 2009-03-13 | 2010-09-16 | Schaeffler Technologies Gmbh & Co. Kg | Component e.g. cam or eccentric follower, for use in internal combustion engine, has bridge piece attached to bolt and comprising rod, where rod passes through outer shell of base body and lies directly over front side of bolt |
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| CN111655977A (en) * | 2017-12-28 | 2020-09-11 | 伊顿智能动力有限公司 | Engine valve lifter with anti-rotation plug |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3245390A4 (en) | 2018-09-05 |
| EP3245390A1 (en) | 2017-11-22 |
| US20170306810A1 (en) | 2017-10-26 |
| WO2016115346A1 (en) | 2016-07-21 |
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Application publication date: 20170929 |
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