阅读说明：本技术 用于发动机滚柱挺杆的适配器和包括该适配器的发动机滚柱挺杆组件 (Adapter for engine roller tapper and the engine roller tapper component including the adapter ) 是由 金钟永 于 2018-01-19 设计创作，主要内容包括：一种用于发动机滚柱挺杆的适配器可包括主体部和支撑部。主体部可耦合至发动机的缸体。主体部可包括引入油的进油孔,进油孔与缸体的主通道连通。支撑部可从主体部的一个端部伸出,以支撑滚柱挺杆。支撑部可具有与进油孔连通的第一油路。第一油路形成为穿过主体部和支撑部,以允许已通过进油孔被引入的油穿过其中供应至滚柱挺杆。因此,油通过油路从主通道供应至滚柱挺杆,并因此可以无需形成用于将油从缸体供应至滚柱挺杆的单独的油路。(A kind of adapter for engine roller tapper may include main part and support portion.Main part can be coupled to the cylinder body of engine.Main part may include the fuel feed hole for introducing oil, and fuel feed hole is connected to the main channel of cylinder body.Support portion can be stretched out from an end of main part, with supporting roller tappet.Support portion can have the first oil circuit being connected to fuel feed hole.First oil circuit is formed through main part and support portion, to allow to pass through by the oil that fuel feed hole is introduced into supplied to roller tapper.Therefore, oil is supplied to roller tapper from main channel by oil circuit, and therefore may not need the individual oil circuit to be formed for oil to be supplied to roller tapper from cylinder body.)

1. a kind of adapter of the roller tapper for engine, the adapter include:

Main body, in conjunction with the cylinder body of the engine, the main body includes the oil inlet connecting with the main channel of the cylinder body, To receive the oil from the main channel；And

Support portion is stretched out from an end of the main body, to support the roller tapper, the support portion include with it is described First oil circuit of oil inlet connection,

Wherein first oil circuit is formed through the main body and the support portion, and the oil that will introduce the oil inlet supplies It should be to the roller tapper.

2. adapter according to claim 1, wherein the main body further includes the spiral shell being screwed with the cylinder body Line portion.

3. adapter according to claim 2, wherein the main body further includes for by the threaded portion and the cylinder body The bolt being screwed.

4. adapter according to claim 1, wherein the main body further includes from the oil inlet towards the main body Another end extends and is connected to the second oil circuit of piston cooling nozzle.

5. a kind of roller tapper component of engine, the roller tapper component include:

Roller shell is configured to carry out the tappet for being set as to move in the vertical direction in the cylinder body of the engine Support；

Tappet roller, is rotationally attached to an end of the roller shell, the tappet roller rotatably with it is convex Wheel is contacted, to allow the linear reciprocal movement of the tappet；And

Adapter, in conjunction with the cylinder body, to support the roller shell, the adapter includes oil circuit, to be used for institute The oil in the main channel of cylinder body is stated to be supplied in the roller shell.

6. roller tapper component according to claim 5, wherein the roller shell includes being configured to receive described fit The anti-rotational slot of orchestration.

7. roller tapper component according to claim 5, wherein the adapter includes threaded portion, and the cylinder body The threaded portion being combined including the threaded portion with the adapter.

8. roller tapper component according to claim 5, wherein the oil circuit connection to piston cooling nozzle.

9. roller tapper component according to claim 5, wherein the cylinder body includes fixation hole, and the fixation hole passes through The cylinder body forms and is connected to the inside of the cylinder body that be equipped with the roller shell, described, and the adapter is inserted into institute State in fixation hole, and the fixation hole have be formed in the adapter outer surface on the spiral shell that is combined of threaded portion Line portion.

10. roller tapper component according to claim 5, wherein the anti-rotational slot is formed through the roller Shell, the oil circuit are formed in the adapter and are connected to the main channel when installing the adapter, and When installing the adapter, the oil in the main channel passes through the oil circuit and the anti-rotational slot is provided to the roller Shell.

Technical field

Example embodiment designs a kind of adapter for engine roller tapper and a kind of including the adapter Engine roller tapper component.More particularly, example embodiment is related to a kind of adapter for preventing roller tapper from rotating, The rotary force of cam can be converted to linear force and the linear force is then transferred to intake air release valve and one kind includes by it The engine roller tapper component of the adapter.

Background technique

Generally, the driving force generated in engine combustion room can be transferred to camshaft.The rotary force of the cam of camshaft Linear force can be converted to by tappet assembly.Tappet assembly can be classified as with the flat surfaces for being configured to be contacted with cam Tappet and roller tapper including the single direction rotation roller for being configured to be contacted with cam.By between tappet and cam The linear force that generates of interaction can be transferred to valve and open/close mechanism.

In roller tapper, destruction caused by the friction between tappet and cam can be reduced by swivelling idler.So And when the direction of rotation of roller may due to roller tapper rotation and when changing, may substantially reduce cam to air inlet/exhaust The transmitting ratio of the rotary force of valve.Therefore, the device for preventing roller tapper from rotating can be set to roller tapper.

According to the prior art, pin or chock can be used that roller tapper is fixed to engine cylinder body.When using pin, It is likely difficult to assemble pin with the roller tapper that deep place in cylinder body is arranged in.When using chock, it may be difficult to The wedge slot of pluggable chock is formed at cylinder body.In addition, when using pin or chock, it may be necessary to be additionally formed use in cylinder body In the oil duct of lubrication roller tapper.

Summary of the invention

Example embodiment provides a kind of adapter of roller tapper for engine, can prevent roller tapper It rotates and is easy to be lubricated the roller tapper of engine.

Example embodiment additionally provides a kind of roller tapper component including above-mentioned adapter.

According to example embodiment, it is possible to provide a kind of adapter of the roller tapper for engine.The adapter can wrap Include main body and support portion.Main body can be in conjunction with the cylinder body of engine.Main body may include the oil inlet connecting with the main channel of cylinder body, To receive the oil for carrying out autonomous channel.Support portion can be stretched out from an end of main body, with supporting roller tappet.Support portion may include The first oil circuit being connect with oil inlet.First oil circuit is formed through main body and support portion, and the oil that oil inlet is supplied supplies It should be to roller tapper.

In example embodiment, main body may include the threaded portion being screwed with cylinder body.

In example embodiment, main body may also include the bolt portion for threaded portion and cylinder body to be screwed.

In example embodiment, supporting element may also include the second of the extension of another end from oil inlet towards main body Oil circuit.Second oil circuit can be connected to piston cooling nozzle.

According to example embodiment, a kind of roller tapper component of engine can be provided.The roller tapper component can wrap Include roller shell, tappet roller and adapter.Roller shell can be to being set as vertically moving in the cylinder body of engine Tappet is supported.Tappet roller can be rotatably set in the side of roller shell.Tappet roller is rotatably carried out with cam Contact, to allow the linear reciprocal movement of tappet.Adapter can be in conjunction with cylinder body, with supporting roller shell.Adapter may include Oil circuit, to be supplied to roller shell for the oil in the main channel by cylinder body.

In example embodiment, roller shell may include the anti-rotational slot for receiving adapter.

In example embodiment, adapter may include threaded portion.Cylinder body may include carrying out spiral shell with the threaded portion of adapter The threaded portion that line combines.

In example embodiment, oil circuit can be connected to piston cooling nozzle.

In example embodiment, cylinder body may include the fixation hole formed across cylinder body.Adapter can be plugged into fixation hole In.Fixation hole can have the threaded portion on the inner surface for being formed in fixation hole.The threaded portion of fixation hole can be formed in adapter Outer surface on threaded portion be screwed.

In example embodiment, anti-rotational slot can be formed through roller shell, to connect the inside of roller shell Region.Adapter may include the first oil circuit, be connected to main channel when installing adapter.When installing adapter from main channel The oil of supply may pass through the first oil circuit and anti-rotational slot is supplied in roller shell.

According to example embodiment, the adapter for being used to support roller tapper may include the oil for being connected to the main channel of cylinder body Road.Therefore, may pass through oil circuit will be by being supplied to roller tapper from main channel.As a result, it is possible to can be incited somebody to action without being formed in cylinder body Oil is supplied to the additional oil circuit of roller tapper.Further, since piston cooling nozzle can be assembled with adapter, cylinder body can reduce Structure for built-up piston cooling nozzles.As a result, adapter can have the function of preventing roller tapper rotation and fuel feeding Function, so as to reduce the processing of cylinder body.

Detailed description of the invention

Example embodiment will be more clearly understood that in conjunction with attached drawing in the following detailed description.Fig. 1 to 5 is indicated herein The unrestricted example embodiment.

Fig. 1 is the decomposition for showing a pair of of the roller tapper component being mounted at the cylinder body of engine according to example embodiment Perspective view；

Fig. 2 is the cross-sectional view for showing the roller tapper and adapter of the roller tapper component of Fig. 1；

Fig. 3 is the front view for showing the adapter of Fig. 2；

Fig. 4 is the cross-sectional view along the line IV-IV ' interception in Fig. 3；And

Fig. 5 is the cross-sectional view along the line V-V ' interception in Fig. 3.

Specific embodiment

Various example embodiments are described more fully with below with reference to attached drawing, certain example embodiment party are shown Formula.However, the present invention can be implemented as different forms and should not be construed as being limited to example embodiment set forth herein. Make the disclosure thorough and complete on the contrary, providing these example embodiments, and fully passes to the scope of the present invention Those skilled in the art.In the accompanying drawings, the size of layer and region and relative size may amplify in order to clear.

It should be understood that when element or layer are described as " " another element or layer "upper", " being connected to " or " coupling To " another element or when layer, can directly on another element or layer, be attached directly to or be coupled to another Element or layer, or may exist intermediary element or layer.On the contrary, when element be described as " directly existing " another element or When layer "upper", " being attached directly to " or " being directly coupled to " another element or layer, intermediary element or layer is not present.It is identical Appended drawing reference always shows similar elements.As it is used herein, word "and/or" includes cited one or more associations Any and all combination of item.

It should be understood that although word first, second, third, etc. etc. can be used to describe various elements herein, component, Regions, layers, and/or portions, but these component, assembly units, regions, layers, and/or portions should not be limited by these words.These words Language is only used for for a component, assembly unit, region, layer or part and another region, layer or part being distinguish.Therefore, hereafter First element, component, region, layer or the part of middle discussion are being properly termed as second yuan without departing from the teachings of the present invention Part, component, region, layer or part.

Space Relative terms, for example, " ... below ", " in ... lower section ", "lower", " in ... top ", "upper" etc. is at this It can be used for simplifying explanation in text, to describe an elements or features shown in the drawings and another (some) elements or features Relationship.It should be understood that space Relative terms are intended to comprising the equipment in using or operating in addition to orientation shown in figure Outer is differently directed.For example, if the equipment in figure is reversed, be described as " " other elements or feature " lower section " or The element of " following " can be oriented " " other elements or feature " top ".Therefore, exemplary word " in ... lower section " can wrap Both orientations above and below containing.Equipment can be otherwise oriented and (be rotated by 90 ° or in other orientations) and should be corresponding Ground understands relativity descriptor in space used herein.

Terms used herein purpose is only to describe particular example embodiment and does not lie in the limitation present invention.Such as Used herein, singular " one ", "one" and "the" also include plural number, are clearly stated unless the context otherwise.It will also be understood that , word " comprising " indicate when using in the present specification there are the feature, integer, step, operation, element and/or Component, but do not exclude the presence of or additionally have other one or more features, integer, step, operation, component, assembly unit and/or Their group.

Come herein with reference to the cross-sectional view of the schematic illustration as ideal example embodiment (and intermediate structure) Example embodiment is described.In this way, it is envisioned that the change of the diagram shape for example generated due to manufacturing technology and/or tolerance Change.Therefore, example embodiment should not be construed as being limited to the specific shape in the region illustrated herein, but including for example due to The form variations of manufacture and generation.For example, the insert region for being represented as rectangle would generally have round or curved feature and/ Or the insertion density gradient in its edge, rather than change from insert region to the binary in non-intrusive region.Equally, by inserting Some insertions can be generated in the region between embedment region and the surface being inserted by entering the embedment region to be formed.Therefore, scheme Shown in region be actually schematical and their shape be not used in the true form for indicating the region of equipment and It does not limit the scope of the invention.

Unless otherwise defined, otherwise all words (including technical and scientific word) used herein all have this hair The bright normally understood identical meanings of those skilled in the art.It will also be appreciated that being for example limited in common dictionary A little words are interpreted as having and their consistent meanings of meaning in related fields background, and unless clearly limit herein Otherwise idealization or meaning too formal be should not be understood as.

Hereinafter, example embodiment will be described in detail with reference to the attached drawings.

Fig. 1 is the decomposition for showing a pair of of the roller tapper component being mounted at the cylinder body of engine according to example embodiment Perspective view, and Fig. 2 is the cross-sectional view for showing the roller tapper and adapter of the roller tapper component of Fig. 1.

With reference to Fig. 1 and 2, the roller tapper component of this example embodiment includes roller tapper 100 and adapter 200.

Roller tapper 100 may be provided between the cam 500 of camshaft and push rod.Cam 500 can pass through the combustion of engine It burns the power generated in room and rotates.The rotary force of cam 500 can be converted to linear force by roller tapper 100.Roller tapper 100 can Linear force is then transferred to push rod.Therefore, roller tapper 100 may include the lower end for being configured to be contacted with cam 500 Portion and the upper end for being connected to push rod.Roller tapper 100 can be vertically moved by the rotation of cam 500, by cam 500 Rotary force be converted to the linear force for being transferred to push rod.In addition, roller tapper 100 can be movably disposed in cylinder body 400. Cylinder body 400 can have oil in the main channel 410 wherein flowed.

Roller tapper 100 may include a pair of of the roller tapper 100 for being set to a combustion chamber.Each roller tapper 100 It may include roller shell 120 and tappet roller 130.Roller shell 120 may be structured to support tappet 110.

Tappet 110 can be shiftably disposed in cylinder body 400.Tappet 110 can have cylindrical shape.Therefore, tappet 110 There can be axial direction corresponding with the moving direction of tappet 110.The upper end of tappet 110 can be connect with push rod.Tappet 110 can A pair of of tappet 110 including being set to a combustion chamber.Therefore, roller tapper 100 and adapter 200, which may also include, is set to one A pair of of roller tapper 100 of a combustion chamber and a pair of of adapter 200.

Roller shell 120 may be provided at the lower end of tappet 110.Roller shell 120 can be with the lower end one of tappet 110 Body is formed.Alternatively, roller shell 120 can be the individual element in conjunction with the lower end of tappet 110.

Tappet roller 130 can be rotationally disposed in roller shell 120.Tappet roller 130 can pass through rotary shaft 140 It is rotatably connected to roller shell 120.Rotary shaft 140 is mountable at roller shell 120.Therefore, tappet roller 130 can It is rotated relative to rotary shaft 140.Tappet roller 130 is rotatably contacted with cam 500.Tappet roller 130 can have The cylindrical shape extended on the axial direction of rotary shaft 140.

Adapter 200 may be structured to an end for being movably supported roller tapper 100 in one direction, to prevent Only roller shell 120 rotates.That is, tappet roller 130 can prevent the direction of rotation of tappet roller 130 from changing.The end of adapter 200 Portion can be used as support portion 220.The end of support portion 220 can be partially inserted into anti-rotational slot 122.Anti-rotational slot 122 can Long hole with an end for being formed in roller shell 120.What the end of adapter 200 can prevent from cooperating with cam 500 Roller shell 120 rotates.

Fig. 3 is the front view for showing the adapter of Fig. 2, and Fig. 4 is the cross-sectional view intercepted along the line IV-IV ' in Fig. 3, and And Fig. 5 is the cross-sectional view along the line V-V ' interception in Fig. 3.

With reference to Fig. 3-5, each pair of adapter 200 may comprise main body 210 and support portion 220.

Main body 210 can be inserted into the fixation hole 420 being formed at cylinder body 400.Main body 210 may be configured as neighbouring roller Tappet 100.Fixation hole 420 may include the groove shapes that neighbouring roller tapper 100 is formed at cylinder body 400.Alternatively, fixation hole 420 may pass through the formation of cylinder body 400.Fixation hole 420 can have the diameter tapered towards roller tapper 100.It therefore, can be by simple Main body 210 is inserted into fixation hole 420 and is easily combined adapter 200 with cylinder body 200 by ground.Therefore, 200 He of adapter Roller tapper 100 can be readily assembled and can reduce the processing of cylinder body 400.Main body 210 can be positioned adjacent to cylinder body 400 Main channel 410.Main body 210 can be arranged to tilt relative to the axial direction of tappet 110.Therefore, main body 110 may include direction The end that roller shell 120 orients, and another end opposite with roller shell 120.

Main body 210 may include the oil inlet 212 for being connected to main channel 410.Therefore, the oil in main channel 210 can be supplied To the oil inlet 212 of main body 210.Oil inlet 212 may include the top that main body 210 is formed on the axial direction of main body 210 Multiple holes at place.When main body 210 may be mounted to that at cylinder body 400, oil inlet 212 can be received towards main channel 410 from master The oil that channel 410 is injected.

Main body 210 may include threaded portion 214.Threaded portion 214 may be formed in the peripheral surface of main body 210.Particularly, spiral shell Line portion 214 can be positioned on 212 lower section of oil inlet.It threaded portion 214 can be with the threaded portion for the fixation hole 420 being formed at cylinder body 400 422 are screwed.Therefore, the screw thread knot of the threaded portion 422 of the threaded portion 214 and fixation hole 420 of adapter 200 can be passed through Adapter 200 and fixation hole 420 are combined by conjunction.

Main body 210 may also include bolt 216.Bolt 215 may be formed at another end of main body 210.Main body 210 Threaded portion 214 can be combined and rotating to bolt 216 with the threaded portion 422 of fixation hole 420.Bolt 216 can wrap Include hexagon bolt.Alternatively, bolt 216 may include rectangle bolt, octagonal bolt etc..

Support portion 220 can be stretched out from an end of main body 210.In example embodiment, support portion 220 can be with main body 210 is integrally formed.Alternatively, support portion 220 can be the component isolated with main body 210.

Support portion 220 may be structured to the roller shell 120 of supporting roller tappet 100.Support portion 220 can be inserted into shape At in the anti-rotational slot 122 at roller shell 120.Anti-rotational slot 122 may pass through the formation of roller shell 120.Therefore, it is introduced into Oil in first oil circuit 222 can be supplied in roller shell 120.Support portion 220 may include by anti-rotational slot 122 keep and The fixed projection of support.Fixed projection can have the annular shape being formed in the peripheral surface of support portion 220.However, fixed Protrusion can have other shapes, be not limited to above-mentioned annular shape.The mountable end in support portion 220 of oil sealing 224. Oil sealing 224 can prevent the oil supplied from main channel 410 from flowing to roller shell 120 along the peripheral surface of main body 210.Therefore, oily Envelope 224 can guide oil into oil inlet 212 and the first oil circuit 222, to help to control the oil supply to roller shell 120.

Support portion 220 may include the first oil circuit 222.First oil circuit 222 can be formed in along the axial direction of support portion 220 In support portion 220.First oil circuit 222 can be connected to the oil inlet 212 of main body 210.First oil circuit 222 can be connected to roller shell 120 inside.Therefore, the oil in main channel 410 can by oil inlet 212, the first oil circuit 222 and anti-rotational slot 122 by It is supplied in roller shell 120.The access 122 that oil in roller shell 120 can be formed by passing through the lower part of roller shell 120 It is provided to tappet roller 130 and cam 500.As a result, it is possible to which oil is supplied to roller tapper without being formed in cylinder body 400 100 additional oil circuit, so that cylinder body 400 can have simple structure.

Main body 210 may also include the second oil circuit 218.Second oil circuit 218 can extend to the another of main body 210 from oil inlet 212 One end.That is, the second oil circuit 218 can be formed from oil inlet 212 into threaded portion 214 and bolt 216.

Oil can be cooled down piston supplied to piston by piston cooling nozzle 300.Another end of piston cooling nozzle 300 It can be connected to the oil pipe 310 for oil to be supplied to piston.When adapter 200 may do not used, it may be necessary to individually set Set piston cooling nozzle 300.With reference to Fig. 1 and 2, an end of piston cooling nozzle 300 can be connected to the second of adapter 200 Oil circuit 218.When adapter 200 may include a pair of of adapter 200, piston cooling nozzle 300 can in two adapters 200 Any one is combined.

Bolt 340 is mountable at remaining adapter 200.Bolt 340 can be to the branch for being connected to piston cooling nozzle 300 Fagging 330 is fixed.Threaded portion may be formed at the inlet of the second oil circuit 218 of adapter 200.Bolt 340 can be with the spiral shell Line portion is screwed.In addition, support plate 330 may include the first fixation hole 331 and the second fixation hole 333.First fixation hole 331 may be formed at an end of support plate 330.Second fixation hole 333 may be formed at another end of support plate 330 Place.

Piston cooling nozzle 300 can be inserted into the first fixation hole 331.Piston cooling nozzle 300 then can be fixed To the second oil circuit 218.Bolt 340 can be plugged into the second fixation hole 333.Bolt 340 then can be combined with the second oil circuit 218, So that support plate 330 can be combined with adapter 200.That is, piston cooling nozzle 300 and adapter 200 can engage one another while.Cause This, between the interconnecting piece and piston cooling nozzle 300 and adapter 200 between piston cooling nozzle 300 and the second oil circuit 218 Fixed part can have simple structure.The mountable end in piston cooling nozzle 300 of oil sealing 305, to prevent leak-stopping oil.When When engine may be with high RPM driving, it can transport by the oil that oil inlet 212 is supplied to piston.On the contrary, when engine may When with low RPM driving, the oil supplied by oil inlet 212 can only be delivered to roller shell 120.It can be by driving with high RPM The oil pump of engine cooperation sprays high pressure oil.Therefore, the oil pressure under above-mentioned specific condition can be used that oil is only supplied to piston.Example Such as, spring 380 and embolism 370 can be additionally installed in piston cooling nozzle 300.

As described above, the oil in main channel 410 can be provided to roller tapper 100 by the first oil circuit 222 and pass through Second oil circuit 218 is provided to piston cooling nozzle 300.

According to example embodiment, the adapter for being used to support roller tapper may include the main channel for being connected to cylinder body Oil circuit.Therefore, oil can be supplied to roller tapper from main channel by oil circuit.As a result, it is possible to can be incited somebody to action without being formed in cylinder body Oil is supplied to the additional oil circuit of roller tapper.Further, since piston cooling nozzle can be assembled with adapter, therefore can reduce The structure for built-up piston cooling nozzles of cylinder body.As a result, adapter can have the function of preventing roller tapper rotation with And the function of supply oil, so as to reduce the processing of cylinder body.

It is above the explanation of example embodiment, and should not be construed as being limited.Although it have been described that one A little example embodiments, but skilled person can easily appreciate that be not to be detached from novelty of the invention substantially A variety of modifications can be generated in the case where teachings and advantages in example embodiment.Therefore, all these modifications are comprised in In the scope of the present invention that claims limit.In detail in the claims, means-plus-function clause is intended to cover described herein Execution cited by function structure, and be not only equivalent in structure but also be equivalent structure.Thus, it will be appreciated that Be be above various example embodiments explanation and should not be construed as being limited to disclosed specific example embodiment party Formula, and the modification of disclosed example embodiment and other example embodiments are comprised in the model of accessory claim In enclosing.

The explanation of appended drawing reference

100: roller tapper；110: tappet；

120: roller shell；122: anti-rotational slot；

130: tappet roller；200: adapter；

210: main body；212: oil inlet；

214: threaded portion；216: bolt；

218: the second oil circuits；220: support portion；

222: the first oil circuits；224: oil sealing；

300: piston cooling nozzle；400: cylinder body；

410: main channel；420: threaded portion；

500: cam.