CN113464233A - Rocker arm mounting structure with bushing, engine and motorcycle - Google Patents
Rocker arm mounting structure with bushing, engine and motorcycle Download PDFInfo
- Publication number
- CN113464233A CN113464233A CN202110798275.4A CN202110798275A CN113464233A CN 113464233 A CN113464233 A CN 113464233A CN 202110798275 A CN202110798275 A CN 202110798275A CN 113464233 A CN113464233 A CN 113464233A
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- rocker
- rocker arm
- arm
- bushing
- shaft bracket
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 26
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/181—Centre pivot rocking arms
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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
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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
- F01L2303/00—Manufacturing of components used in valve arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
An embodiment of the present invention provides a rocker arm mounting structure with a bushing, including: the rocker arm is pressed and connected with a gasket of the valve structure; the rocker shaft is rotatably arranged on the rocker arm in a penetrating way and used for installing a first rocker shaft bracket and a second rocker shaft bracket, wherein the rocker arm is positioned between the first rocker shaft bracket and the second rocker shaft bracket, and the first rocker shaft bracket and the second rocker shaft bracket limit the movement of the rocker shaft along the radial direction of the rocker shaft; the bushing is sleeved on the rocker shaft and used for limiting the axial direction of the rocker together with the second rocker shaft bracket; removing the bushing so that the rocker arm is movable between the first rocker shaft bracket and the second rocker shaft bracket.
Description
Technical Field
The invention relates to the technical field of motorcycles, in particular to a rocker arm mounting structure with a bushing, an engine and a motorcycle.
Background
Motorcycles, two-wheeled or three-wheeled vehicles driven by gasoline engines and steered by steering front wheels by handlebars, are light, flexible and fast to drive, are widely used for patrol, passenger and cargo transportation and the like, and are also used as sports equipment. In a large direction, motorcycles are classified into street cars, road racing motorcycles, off-road motorcycles, cruise cars, station wagons, and the like.
The rocker arm in a motorcycle is actually a two-armed lever that redirects the force from the push rod, acting on the valve stem end to push open the valve. The ratio of the arm lengths of the two sides of the rocker arm is called as a rocker arm ratio, the rocker arm ratio is about 1.2-1.8, and one end of the long arm is used for pushing the valve. The working surface of the rocker head is generally cylindrical and rolls along the valve stem end surface as the rocker arm oscillates, thus allowing the force between the two to act as far as possible along the valve axis. Lubricating oil channels and oil holes are drilled in the rocker arms. And an adjusting screw for adjusting the valve clearance is screwed into a threaded hole at the end of the short arm of the rocker arm, and a head ball of the screw is in compression joint with a concave ball seat at the top end of the push rod. When the engine of motorcycle igniteed the action, specifically through the cooperation of rocking arm and camshaft, realize the swing of rocking arm, and then drive the valve structure work of rocking arm one end.
However, in the process of implementing the invention technical solution of the embodiment of the present application, the inventor of the present application finds that at least the following technical problems exist in the prior art:
when a gasket in compression joint with a rocker arm on a valve structure is replaced in a motorcycle in the prior art, a camshaft connected with the rocker arm needs to be detached, and then the adjustment and replacement of the gasket can be realized by rotating the rocker arm, so that the adjustment and replacement processes of the gasket are complex, the number of detaching processes is large, and the working efficiency is low.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide a rocker arm mounting structure with a bushing, an engine and a motorcycle, which are used for solving the technical problems that when a gasket pressed with a rocker arm on a valve structure is replaced, a camshaft connected with the rocker arm needs to be detached, and the adjustment and replacement of the gasket can be realized by rotating the rocker arm, so that the adjustment and replacement processes of the gasket are complicated, the number of detaching processes is large, and the work efficiency is low in the motorcycle in the prior art.
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:
an embodiment of the present invention provides a rocker arm mounting structure with a bushing, the mounting structure including:
the rocker arm is pressed and connected with a gasket of the valve structure;
the rocker shaft is rotatably arranged on the rocker arm in a penetrating way and used for installing a first rocker shaft bracket and a second rocker shaft bracket, wherein the rocker arm is positioned between the first rocker shaft bracket and the second rocker shaft bracket, and the first rocker shaft bracket and the second rocker shaft bracket limit the movement of the rocker shaft along the radial direction of the rocker shaft;
the bushing is sleeved on the rocker shaft and used for limiting the axial direction of the rocker together with the second rocker shaft bracket;
removing the bushing so that the rocker arm is movable between the first rocker shaft bracket and the second rocker shaft bracket.
Further, a portion of the bushing is located between the first rocker shaft bracket and the rocker arm, the bushing for limiting the rocker arm in an axial direction of the rocker shaft;
the first rocker shaft support is sleeved on the bushing, a first connecting part is arranged on the bushing, a second connecting part is arranged on the rocker shaft, and the bushing and the rocker shaft are connected through the first connecting part and the second connecting part.
Further, the first rocker shaft bracket and the second rocker shaft bracket limit the movement of the rocker shaft in the radial direction thereof;
the first connecting part is provided with a first hole;
the second connecting part is provided with a second hole;
a third hole is formed in the first rocker shaft support;
the sleeve is arranged on the rocker arm shaft and limits the rocker arm on the rocker arm shaft together with a second rocker arm shaft bracket by sequentially penetrating through the third hole, the second hole and the first hole through locking pieces.
Further, the first hole is a threaded hole, the locking member is a bolt, and the bolt penetrates through the third hole and the second hole and is in threaded connection with the first hole.
Further, the first hole is a threaded hole,
the locking piece is a bolt,
the bolt passes through the third and second holes and is threadedly coupled to the first hole.
Further, one end of the bushing close to the rocker arm extends outside the bracket sleeve of the first rocker arm shaft bracket.
Further, the bushing has a length greater than a bracket sleeve of the first rocker shaft bracket.
Furthermore, the rocker arm comprises a connecting arm and a sleeve, one end of the connecting arm of the sleeve is connected,
the sleeve is sleeved in the rocker arm shaft, and the other end of the connecting arm is in pressure connection with a gasket of the valve structure.
Further, the connecting arm comprises a first connecting arm and a second connecting arm,
one end of the first connecting arm and one end of the second connecting arm are connected with the sleeve, and the other end of the first connecting arm and the other end of the second connecting arm are respectively connected with a gasket corresponding to the valve structure.
Further, the rocker arm further comprises:
the rolling piece is rotatably arranged between the first connecting arm and the second connecting arm and is in compression joint with a cam on the camshaft above the rolling piece.
Embodiments of the present invention also provide an engine including the bushed rocker arm mounting structure as described above.
Embodiments of the present invention also provide a motorcycle including an engine as described above.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
an embodiment of the present invention provides a rocker arm mounting structure with a bushing, including: the rocker arm is pressed and connected with a gasket of the valve structure; the rocker shaft is rotatably arranged on the rocker arm in a penetrating way and used for installing a first rocker shaft bracket and a second rocker shaft bracket, wherein the rocker arm is positioned between the first rocker shaft bracket and the second rocker shaft bracket, and the first rocker shaft bracket and the second rocker shaft bracket limit the movement of the rocker shaft along the radial direction of the rocker shaft; the bushing is sleeved on the rocker shaft and used for limiting the axial direction of the rocker together with the second rocker shaft bracket; removing the bushing so that the rocker arm is movable between the first rocker shaft bracket and the second rocker shaft bracket.
When the gasket which is in compression joint with the rocker arm in the valve structure needs to be replaced, the bushing is disassembled, so that the rocker arm cannot be limited by the bushing, the rocker arm can move between the two rocker arm shaft supports, the gasket can be easily adjusted and replaced after the rocker arm is moved, the method is convenient and quick, the camshaft does not need to be disassembled, and therefore the gasket is less in adjusting and replacing processes and high in working efficiency. And the technical problems that when a gasket which is in pressure connection with the rocker arm in the valve structure and is replaced in the motorcycle in the prior art, the camshaft connected with the rocker arm needs to be detached, and the gasket can be adjusted and replaced only by rotating the rocker arm, so that the gasket is complex in adjustment and replacement process, multiple in detachment process and low in working efficiency are solved.
The embodiment of the invention also provides an engine which comprises the rocker arm mounting structure with the bushing, and the engine can effectively solve the technical problems that when a gasket which is arranged on a valve structure and is in pressure joint with the rocker arm is replaced in a motorcycle in the prior art, a camshaft connected with the rocker arm needs to be disassembled, and the gasket can be adjusted and replaced only by rotating the rocker arm, so that the gasket is adjusted and replaced in a complex process, a plurality of disassembling processes are required, and the working efficiency is low.
The embodiment of the invention also provides a motorcycle which comprises the engine, and the motorcycle can effectively solve the technical problems that when a gasket which is in a valve structure and is in pressure connection with the rocker arm is replaced in the motorcycle in the prior art, the camshaft connected with the rocker arm needs to be disassembled, and the gasket can be adjusted and replaced only by rotating the rocker arm, so that the gasket is complex in adjustment and replacement process, multiple in disassembly process and low in working efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic block diagram of a bushed rocker arm mounting arrangement according to an embodiment of the present invention;
FIG. 2 is a partially sectioned schematic structural view of an assembled state of a rocker arm mounting structure with a bushing according to an embodiment of the present invention;
FIG. 3 is a partially sectioned, schematic structural diagram of a disassembled rocker arm mounting structure with a bushing according to an embodiment of the present invention.
Wherein:
100. a rocker arm; 110. a connecting arm; 111. a first connecting arm; 112. a second connecting arm; 120. a rolling member; 130. a sleeve; 200. a rocker shaft; 201. a first hole; 300. a bushing; 301. a second hole; 400. a camshaft; 510. a first rocker shaft support; 511. a third aperture; 520. a second rocker shaft support; 600. a locking member; 700. a valve structure; 701. and (7) a gasket.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
The present application claims a motorcycle, which may be any type of motorcycle product on the market, and is not specifically limited herein. It will be understood that the motorcycle, in addition to the frame, the electronic control system, the transmission system, the wheels, also comprises an engine, which acts as the heart of the motorcycle, for providing the power necessary for normal running. The engine comprises a valve mechanism and a rocker arm structure matched with the valve mechanism. The rocker arm structure is used for driving the valve mechanism to act and do work.
As shown in fig. 1, fig. 1 is a schematic view illustrating a disassembled structure of a rocker arm mounting structure with a bushing according to an embodiment of the present invention;
as shown in fig. 1, 2 and 3, the present embodiment provides a mounting structure of a rocker arm 100 with a bushing 300, the mounting structure including:
a rocker shaft 200 rotatably disposed through the rocker arm 100 for mounting a first rocker shaft bracket 510 and a second rocker shaft bracket 520, wherein the rocker arm 100 is located between the first rocker shaft bracket 510 and the second rocker shaft bracket 520, wherein the first rocker shaft bracket 510 and the second rocker shaft bracket 520 limit the movement of the rocker shaft 200 in the radial direction thereof;
a bushing 300, which is sleeved on the rocker arm shaft 200 and used for limiting the axial direction of the rocker arm 100 together with the second rocker arm shaft bracket 520;
the bushing 300 is removed so that the rocker arm 100 can move between the two rocker shaft 200 stands.
Specifically, the inner cavity of the bushing 300 is detachably sleeved on the rocker shaft 200, the inner cavity of the first rocker shaft bracket 510 is sleeved on the bushing 300, the bushing 300 can be used for limiting the rocker arm 100 together with the second rocker shaft bracket 520, preferably, a part of the bushing is located between the first rocker shaft bracket and the rocker arm, and the bushing is used for limiting the rocker arm along the axial direction of the rocker shaft; preventing the rocker arm 100 from moving left and right, resulting in the rocker arm 100 not being able to perform the function of acting on the valve stem end to push the valve open.
One end of the rocker arm 100 is in pressure joint with a gasket 701 of the valve structure 700 and acts on a valve rod end to push open a valve; the other end of the rocker arm 100 is rotatably sleeved on the rocker arm shaft 200, and specifically comprises:
the swing arm 100 includes a connecting arm 110, and a sleeve 130, an outer circumference of the sleeve 130 is connected to one end of the connecting arm 110,
the inner cavity of the sleeve 130 is sleeved in the rocker shaft 200, and the other end of the connecting arm 110 is pressed against the gasket 701 of the valve structure 700.
Further, the connecting arm 110 includes a first connecting arm 111 and a second connecting arm 112,
one end of the first connecting arm 111 and one end of the second connecting arm 112 are both connected to the sleeve 130, and the other end of the first connecting arm 111 and the other end of the second connecting arm 112 are respectively connected to the gasket 701 of the corresponding valve structure 700.
The first connecting arm 111 corresponds to the pad 701 of one valve structure 700, the second connecting portion corresponds to the pad 701 of the other valve structure 700, and the ends of the first connecting arm 111 and the second connecting portion press against the corresponding pads 701 of the valve structures 700.
Wherein the rocker arm 100 further comprises:
and a rolling member 120, wherein the rolling member 120 is rotatably disposed between the first connecting arm 111 and the second connecting arm 112, and is in pressure contact with a cam on the camshaft 400 located above the rolling member.
Specifically, first linking arm 111 with all be provided with the through-hole on the second linking arm 112, a pivot passes on first linking arm 111 with through-hole on the second linking arm 112, rolling member 120 sets up in the pivot, furtherly, on first linking arm 111 with through-hole on the second linking arm 112 all is provided with the bearing, the both ends correspondence of pivot is installed on the bearing.
The rolling member 120 can rotate relative to the cam on the cam shaft 400, so as to swing the rocker arm, and further drive the valve structure 700 at one end of the rocker arm to work. Due to the structure of the rocker arm 100, the rocker arm 100 can be conveniently detached, and the gasket 701 can be replaced.
The camshaft 400 is disposed above the rolling members 120, and is convenient for being pressed against the rolling members 120, providing a force to the rolling members 120, and providing a force to the rocker arm 100 to be pressed against the pad 701 of the valve structure 700.
Further, the first rocker shaft bracket 510 is sleeved on the bushing 300, the bushing 300 is provided with a first connecting portion, the rocker shaft 200 is provided with a second connecting portion, and the bushing 300 and the rocker shaft 200 are connected through the first connecting portion and the second connecting portion.
The first connection part may be a snap, and the second connection part may be a snap groove, into which the snap is snapped, so that the bushing 300 and the rocker shaft 200 are connected.
In the present embodiment, the first and second electrodes are,
the first rocker shaft bracket and the second rocker shaft bracket limit the movement of the rocker shaft along the radial direction of the rocker shaft;
the first connecting part is provided with a first hole;
the second connecting part is provided with a second hole;
a third hole 511 is formed in the first rocker shaft support 510;
the bush 300 is disposed on the rocker shaft 200 and restrains the rocker arm 100 to the rocker shaft 200 together with the second rocker shaft bracket 520 by passing the locker 600 through the third hole 511, the second hole 301 and the first hole 201 in this order.
The first rocker shaft bracket 510, the bush 300 and the rocker shaft 200 can be assembled together by sequentially inserting the locker 600 into the third hole 511, the second hole 301 and the first hole 201, the bush 300 can be disassembled by disassembling the locker 600, the first rocker shaft bracket 510, the bush 300 and the rocker shaft 200 can be disassembled, the bush 300 can be disassembled, the rocker arm 100 can be moved between the two rocker shaft 200 brackets, and the connecting arm 110 of the rocker arm 100 can be prevented from being pressed against the shim 701 of the valve structure 700 after the rocker arm 100 is moved left and right, so that the shim 701 of the valve structure 700 can be directly disassembled and replaced.
Specifically, the first hole 201 is a threaded hole,
the locking member 600 is a bolt that is a bolt,
the bolt passes through the third hole 511 and the second hole 301 and is threadedly coupled with the first hole 201.
The bolt is inserted through the third hole 511 and the second hole 301 and is screwed into the thread of the first hole 201, thereby achieving the assembly of the first rocker shaft bracket 510, the bush 300, and the rocker shaft 200, and the bush 300 can be detached by unscrewing the bolt to enable the first rocker shaft bracket 510, the bush 300, and the rocker shaft 200 to be disassembled. The direction of the arrow shown in fig. 3 is a direction in which the rocker arm 100 can move after the first rocker shaft bracket 510, the bush 300 and the rocker shaft 200 are disassembled.
The locker 600 may be a screw or other wedge, and the bushing 300 may be coupled to the rocker shaft 200 and the first rocker shaft bracket in a snap-fit manner or may be coupled to the bushing 300 with internal and external threads, so that the first rocker shaft bracket 510, the bushing 300, and the rocker shaft 200 may be easily disassembled as long as they can be assembled together.
To facilitate removal of the bushing 300, an end of the bushing 300 proximate the rocker arm 100 extends outside the first rocker shaft bracket 510. Removal of the bushing 300 may be facilitated by pushing the bushing 300 of the first rocker shaft bracket outer portion directly after removal of the latch 600, and removal of the bushing 300 may be directly enabled when the bushing 300 is restraining the rocker arm 100 after removal of the latch 600.
To further facilitate removal of the bushing 300, the bushing 300 has a length greater than the first rocker shaft bracket 510. The length of the bushing 300 is greater than that of the first rocker shaft bracket, so that the problem that the bushing 300 is not easy to remove because the bushing 300 is completely positioned in the first rocker shaft bracket when the bushing 300 is removed can be effectively solved.
According to the rocker arm 100 mounting structure with the bushing 300 provided by the embodiment, when the gasket 701 pressed with the rocker arm 100 on the valve structure 700 needs to be replaced, the bushing 300 is detached, so that the rocker arm 100 cannot be limited by the bushing 300, the rocker arm 100 can move between two rocker arm shaft 200 supports, and after the rocker arm 100 is moved, the gasket 701 can be easily adjusted and replaced, convenience and rapidness are achieved, the camshaft 400 does not need to be detached, and therefore the gasket 701 is less in adjusting and replacing processes, and the working efficiency is high. Further, the technical problems that when the gasket 701 pressed with the rocker arm on the valve structure 700 is replaced, the camshaft 400 connected with the rocker arm needs to be disassembled, and the adjustment and replacement of the gasket 701 can be realized by rotating the rocker arm in the motorcycle in the prior art, so that the adjustment and replacement processes of the gasket 701 are complex, the number of disassembly processes is large, and the working efficiency is low are effectively solved.
The embodiment of the invention also provides an engine, which comprises the rocker arm 100 mounting structure with the bushing 300, and the engine can effectively solve the technical problems that when the gasket 701 pressed with the rocker arm 100 on the valve structure 700 is replaced, the camshaft 400 connected with the rocker arm needs to be disassembled, and the gasket 701 can be adjusted and replaced by rotating the rocker arm in the motorcycle in the prior art, so that the adjustment and replacement processes of the gasket 701 are complex, the disassembly processes are multiple, and the working efficiency is low.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The embodiment of the invention also provides a motorcycle which comprises the engine, and the motorcycle can effectively solve the technical problems that when the gasket 701 pressed with the rocker arm on the valve structure 700 is replaced, the camshaft 400 connected with the rocker arm needs to be disassembled, and the gasket 701 can be adjusted and replaced only by rotating the rocker arm in the motorcycle in the prior art, so that the adjustment and replacement processes of the gasket 701 are complex, the disassembly processes are multiple, and the working efficiency is low.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A rocker arm mounting structure with a bushing, the mounting structure comprising:
the rocker arm is pressed and connected with a gasket of the valve structure;
the rocker arm shaft is rotatably arranged on the rocker arm in a penetrating way and is used for installing a first rocker arm shaft bracket and a second rocker arm shaft bracket, wherein the rocker arm is positioned between the first rocker arm shaft bracket and the second rocker arm shaft bracket;
the bushing is sleeved on the rocker shaft and used for limiting the axial direction of the rocker together with the second rocker shaft bracket;
removing the bushing so that the rocker arm is movable between the first rocker shaft bracket and the second rocker shaft bracket.
2. The bushed rocker arm mounting structure of claim 1,
a portion of the bushing is located between the first rocker shaft bracket and the rocker arm, the bushing for limiting the rocker arm in an axial direction of the rocker shaft;
the first rocker shaft support is sleeved on the bushing, a first connecting part is arranged on the bushing, a second connecting part is arranged on the rocker shaft, and the bushing and the rocker shaft are connected through the first connecting part and the second connecting part.
3. The bushed rocker arm mounting structure of claim 1,
the first rocker shaft bracket and the second rocker shaft bracket limit the movement of the rocker shaft along the radial direction of the rocker shaft;
the first connecting part is provided with a first hole;
the second connecting part is provided with a second hole;
a third hole is formed in the first rocker shaft support;
the sleeve is arranged on the rocker arm shaft and limits the rocker arm on the rocker arm shaft together with a second rocker arm shaft bracket by sequentially penetrating through the third hole, the second hole and the first hole through locking pieces.
4. The bushed rocker arm mounting structure of claim 3,
the first hole is a threaded hole,
the locking piece is a bolt,
the bolt passes through the third hole and the second hole and is threadedly coupled with the first hole.
5. The bushed rocker arm mounting structure of claim 1,
one end of the bushing close to the rocker arm extends outside the bracket sleeve of the first rocker arm shaft bracket.
6. The bushed rocker arm mounting structure of claim 1,
the rocker arm comprises a connecting arm and a sleeve, the periphery of the sleeve is connected with one end of the connecting arm,
the inner cavity of the sleeve is sleeved in the rocker shaft, and the other end of the connecting arm is in pressure connection with a gasket of the valve structure.
7. The bushed rocker arm mounting structure of claim 6,
the connecting arm comprises a first connecting arm and a second connecting arm,
one end of the first connecting arm and one end of the second connecting arm are connected with the sleeve, and the other end of the first connecting arm and the other end of the second connecting arm are respectively connected with the gasket corresponding to the valve structure.
8. The bushed rocker arm mounting structure of claim 7, wherein the rocker arm further comprises:
the rolling piece is rotatably arranged between the first connecting arm and the second connecting arm and is in compression joint with a cam on the camshaft above the rolling piece.
9. An engine, characterized in that the engine has a bushed rocker arm mounting structure as recited in any one of claims 1 to 8.
10. A motorcycle characterized by comprising the engine as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798275.4A CN113464233B (en) | 2021-07-14 | 2021-07-14 | Rocker arm mounting structure with bushing, engine and motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798275.4A CN113464233B (en) | 2021-07-14 | 2021-07-14 | Rocker arm mounting structure with bushing, engine and motorcycle |
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| Publication Number | Publication Date |
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| CN113464233A true CN113464233A (en) | 2021-10-01 |
| CN113464233B CN113464233B (en) | 2024-07-23 |
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| CN202110798275.4A Active CN113464233B (en) | 2021-07-14 | 2021-07-14 | Rocker arm mounting structure with bushing, engine and motorcycle |
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| CN113464233B (en) | 2024-07-23 |
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