CN217681898U

CN217681898U - Motorcycle rocker arm assembly

Info

Publication number: CN217681898U
Application number: CN202221959755.0U
Authority: CN
Inventors: 姜鸥翔; 姜瑜; 姜琛; 张学海
Original assignee: Wenzhou Sanhe Machinery Co ltd
Current assignee: Wenzhou Sanhe Machinery Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-28
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to a motorcycle rocker arm assembly, including the rocking arm that is 7 fonts, be equipped with the rocker arm bush on the middle part position of rocking arm, be equipped with the shaft hole on the rocker arm bush, the rocking arm supports with the cam including the ejector pin link and holds the end, the cam supports and holds and has seted up the fixed orifices, be equipped with the connecting axle on the fixed orifices, one of connecting axle serves integrated into one piece has the offset, the offset supports and holds on the rocking arm, the connecting axle is inserted and is established and pass the fixed orifices, fixedly connected with stop cap on the other end of connecting axle, it is provided with the ball to rotate on the connecting axle, the ball is located between stop cap and the rocking arm, the welding of offset is on the rocking arm, the utility model discloses make the connecting axle pass the fixed orifices to weld the offset on the rocking arm on the connecting axle to can guarantee the firm stable setting of connecting axle on the rocking arm, the ball just sets up between stop cap and rocking arm in addition, can prevent that the ball from deviating from, consequently, the utility model discloses can make the firm stable setting of ball on the rocking arm.

Description

Motorcycle rocker arm assembly

Technical Field

The utility model relates to a motorcycle machine part technical field, especially a motorcycle rocking arm subassembly.

Background

A valve rocker mechanism is an important mechanism indispensable to an internal combustion engine. When the engine crankshaft rotates, the cam also begins to rotate, and a plurality of eccentric bulges on the cam correspond to each rocker arm which corresponds to the valve. When the protrusion is turned downward, the rocker arm or hydraulic lifter on the lower side operates under pressure and then transfers the force from the cam to the valve. At this time, the valve moves downwards under the action of pressure to complete the opening of the air inlet passage or the air outlet passage of the cylinder. When the convex portion on the cam turns upward through a half-turn movement, the valve is lifted upward by the reaction force of the valve spring, and the work of closing the intake passage or the exhaust passage is completed.

For example, the chinese utility model patent (application No. cn201720885978.X, granted publication No. CN 207033521U) discloses a noise reduction rocker arm for a motorcycle, in which a ball is connected to a ball groove through a movable screw, so that the movable screw is screwed to a main body, and when the ball rotates around the movable screw, a rotating force is continuously formed on the surface of the movable screw, and the movable screw is driven to rotate for a long time, so that the movable screw is loosened, and the ball is not firmly and stably mounted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a firm stable motorcycle rocker arm subassembly of ball installation has solved the above-mentioned problem that exists in the use among the prior art.

The technical scheme of the utility model is realized like this: the motorcycle rocker arm assembly comprises a 7-shaped rocker arm, a rocker arm bushing is arranged at the middle of the rocker arm, a shaft hole is formed in the rocker arm bushing, the rocker arm comprises an ejector rod connecting end and a cam abutting end, a fixing hole is formed in the cam abutting end, a connecting shaft is arranged on the fixing hole, an abutting plate is integrally formed on one end of the connecting shaft and abuts against the rocker arm, the connecting shaft is inserted into the fixing hole and penetrates through the fixing hole, a limiting cap is fixedly connected to the other end of the connecting shaft, a ball is arranged on the connecting shaft in a rotating mode, the ball is located between the limiting cap and the rocker arm, and the abutting plate is welded to the rocker arm.

Preferably, the connecting shaft is provided with a positioning opening on the side wall close to one end of the abutting plate, the rocker arm is fixedly connected with a metal clamping plate on the side face of the fixing hole, and the metal clamping plate is clamped on the positioning opening when the abutting plate abuts against and is held on the rocker arm.

Preferably, the rocker arm is provided with a slot on the side surface of the fixing hole, and the metal clamping plate is provided with an insertion block which is inserted into the slot in an interference manner.

Preferably, the limiting cap is sleeved on the connecting shaft in an interference manner, the limiting cap is provided with a connecting hole in the radial direction, the connecting shaft is provided with a through hole corresponding to the connecting hole in the radial direction, the connecting hole is connected with a screw rod in a threaded manner, and the screw rod penetrates through the through hole.

Preferably, one end of the connecting shaft, which is far away from the abutting plate, is provided with a square groove, the limiting cap is provided with a square plate, the square plate is inserted into the square groove, and the square plate is provided with a matching opening for the screw rod to pass through.

Preferably, a connecting port is formed in the middle of the rocker arm, a limiting outer edge is arranged at one end of the rocker arm bushing and abuts against the rocker arm, and the limiting outer edge is welded on the rocker arm.

Preferably, the rocker arm is provided with a plurality of anti-rotation grooves on the side surface of the connector, the outer side wall of the rocker arm bushing is connected with anti-rotation convex ribs, and the anti-rotation convex ribs are clamped on the anti-rotation grooves.

To sum up, the beneficial effects of the utility model reside in that:

1. the utility model discloses support at the cam of rocking arm and hold and serve and seted up the fixed orifices, make the connecting axle pass the fixed orifices to connect epaxial support plate welding on the rocking arm, thereby can guarantee that the firm stable setting of connecting axle is on the rocking arm, the spacing cap of fixedly connected with is served keeping away from support plate in addition, and the ball just sets up between spacing cap and rocking arm, and spacing cap prevents that the ball from deviating from the connecting axle, to sum up, the utility model discloses can make the firm stable setting of ball on the rocking arm.

2. When supporting the board and supporting on the rocking arm, the metal cardboard block is on the location mouth of connecting axle to alright in order to further improve the firm degree of connecting axle setting on the rocking arm, prevent effectively that the connecting axle from taking place to rotate, consequently when the ball rotates, the revolving force of effect on the connecting axle is also not enough to destroy metal cardboard and support the welded structure of board and rocking arm, thereby has effectively improved the utility model discloses a structural strength.

3. The spacing cap interference cover is established on the connecting axle to radially fix on the connecting axle through the screw rod, firm in connection is reliable, and can radially dismantle the spacing cap, thereby change or maintain the ball.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 viewed from another angle;

FIG. 3 is a front view of the present invention;

FIG. 4 isbase:Sub>A schematic sectional view taken along the line A-A in FIG. 3;

FIG. 5 is a schematic view of the exploded rocker arm bushing of the present invention;

FIG. 6 is an exploded view of the middle connecting shaft, the balls and the position-limiting cap of the present invention;

FIG. 7 is a schematic view of the structure of FIG. 6 viewed from another angle;

FIG. 8 is a schematic structural view of the metal card of the present invention in an initial state;

fig. 9 is a schematic diagram of the exploded metal card of fig. 8.

In the figure: 1. a rocker arm; 2. a rocker arm bushing; 3. a shaft hole; 4. a mandril connecting end; 5. a cam abutting end; 6. a fixing hole; 7. a connecting shaft; 8. a resisting plate; 10. a limiting cap; 11. a ball bearing; 12. positioning the opening; 13. a metal card board; 14. inserting slots; 15. inserting a block; 16. connecting holes; 17. a through hole; 18. a screw; 19. a square groove; 20. a square plate; 21. a mating port; 22. a connection port; 23. limiting the outer edge; 24. an anti-rotation slot; 25. and the anti-rotation convex rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings 1 to 9 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment is as follows:

as shown in fig. 1 to 9, the utility model discloses a motorcycle rocker arm assembly, including the rocking arm 1 that is 7 fonts, be equipped with rocking arm bush 2 on rocking arm 1's middle part position, and be equipped with shaft hole 3 on rocking arm bush 2, and rocking arm 1 supports with the cam and holds end 5, the cam supports and holds and has seted up fixed orifices 6 on the end 5, and be equipped with connecting axle 7 on the fixed orifices 6, and connecting axle 7 one serves integrated into one piece has support plate 8, support plate 8 supports and holds on rocking arm 1, connecting axle 7 is inserted and is established and pass fixed orifices 6, fixedly connected with stop cap 10 on connecting axle 7's the other end, it is provided with ball 11 to rotate on connecting axle 7, this ball 11 is located between stop cap 10 and the rocking arm 1, stop cap 10 can prevent that ball 11 from deviating from connecting axle 7, and support plate 8 welding on rocking arm 1, can guarantee the firm stable setting of connecting axle 7 on rocking arm 1, thereby can make the firm stable setting of ball 11 on rocking arm 1.

In addition, a positioning opening 12 is formed in a side wall of the connecting shaft 7 close to one end of the abutting plate 8, a metal clamping plate 13 is fixedly connected to the side face of the fixing hole 6 of the rocker arm 1, and as shown in fig. 4, when the abutting plate 8 abuts against the rocker arm 1, the metal clamping plate 13 is clamped on the positioning opening 12. As shown in fig. 8 and 9, the initial shape of the metal card 13 is that the connecting shaft 7 enters the fixing hole 6, and then the connecting shaft 7 is focused on the metal card 13 to align the position of the positioning hole 12 with the metal card 13, and the supporting plate 8 contacts with the metal card 13 and continues to move toward the rocker arm 1, and the supporting plate 8 presses the metal card 13 into the fixing hole 6, and the metal card 13 is engaged with the positioning hole 12, thereby preventing the connecting shaft 7 from rotating.

The concrete structure of metal cardboard 13 fixed connection on rocking arm 1 does: the rocker arm 1 is provided with a slot 14 on the side surface of the fixing hole 6, and the metal clamping plate 13 is provided with an insertion block 15 which is inserted into the slot 14 in an interference manner.

The specific structure of the limit cap 10 fixedly connected to the connecting shaft 7 is as follows: the limiting cap 10 is sleeved on the connecting shaft 7 in an interference manner, connecting holes 16 are radially formed in the limiting cap 10, through holes 17 corresponding to the connecting holes 16 are radially formed in the connecting shaft 7, screw rods 18 are connected to the connecting holes 16 in a threaded manner, the screw rods 18 penetrate through the through holes 17, and the limiting cap 10 can be firmly and reliably fixed on the connecting shaft 7 through the screw rods 18. In order to further improve the firm degree of connection of the limiting cap 10 on the connecting shaft 7, one end of the connecting shaft 7 far away from the abutting plate 8 is provided with a square groove 19, the limiting cap 10 is provided with a square plate 20, the square plate 20 is inserted into the square groove 19, the square plate 20 is provided with a matching opening 21 for a screw rod 18 to pass through, the screw rod 18 passes through the connecting hole 16, the through hole 17 and the matching opening 21 to be fixed, and the square plate 20 can prevent the limiting cap 10 from rotating relative to the connecting shaft 7.

The concrete structure that rocker arm bush 2 is fixed on the middle part of rocker arm 1 is: seted up connector 22 on rocking arm 1 middle part, and one of rocking arm bush 2 is served and is equipped with spacing outer edge 23, this spacing outer edge 23 supports and holds on rocking arm 1, and this spacing outer edge 23 welds on rocking arm 1, in addition, rocking arm 1 has seted up a plurality of anti-rotation grooves 24 on connector 22's side, be connected with on rocking arm bush 2's the lateral wall and prevent changeing protruding muscle 25, prevent changeing protruding muscle 25 block on anti-rotation groove 24, this structure can be firm make rocking arm bush 2 fixed connection on connector 22.

The utility model that should point out simultaneously indicates the terminology, like: the directional or positional relationships indicated as "front", "rear", "vertical", "horizontal", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a motorcycle rocking arm subassembly, is including being the rocking arm of 7 fonts, its characterized in that: the rocker arm is characterized in that a rocker arm bushing is arranged at the middle of the rocker arm, a shaft hole is formed in the rocker arm bushing, the rocker arm comprises an ejector rod connecting end and a cam abutting end, a fixing hole is formed in the cam abutting end, a connecting shaft is arranged on the fixing hole, an abutting plate is integrally formed at one end of the connecting shaft and abuts against the rocker arm, the connecting shaft is inserted into the fixing hole and penetrates through the fixing hole, a limiting cap is fixedly connected to the other end of the connecting shaft, a ball is arranged on the connecting shaft in a rotating mode, the ball is located between the limiting cap and the rocker arm, and the abutting plate is welded on the rocker arm.

2. A motorcycle rocker arm assembly as set forth in claim 1, wherein: the connecting shaft is provided with a positioning opening on the side wall close to one end of the abutting plate, the rocker arm is fixedly connected with a metal clamping plate on the side surface of the fixing hole, and the metal clamping plate is clamped on the positioning opening when the abutting plate abuts against the rocker arm.

3. A motorcycle rocker arm assembly as set forth in claim 2, wherein: the side face of the rocker arm in the fixing hole is provided with a slot, and the metal clamping plate is provided with an inserting block which is inserted into the slot in an interference mode.

4. A motorcycle rocker arm assembly as set forth in claim 1, wherein: the limiting cap is sleeved on the connecting shaft in an interference manner, the limiting cap is provided with a connecting hole in the radial direction, the connecting shaft is provided with a through hole corresponding to the connecting hole in the radial direction, the connecting hole is connected with a screw rod in a threaded manner, and the screw rod penetrates through the through hole.

5. A motorcycle rocker arm assembly as set forth in claim 4, wherein: the connecting shaft is provided with a square groove at one end far away from the abutting plate, the limiting cap is provided with a square plate, the square plate is inserted into the square groove, and the square plate is provided with a matching opening for a screw rod to pass through.

6. A motorcycle rocker arm assembly as set forth in claim 1, wherein: the rocker arm is characterized in that a connecting port is formed in the middle of the rocker arm, one end of the rocker arm bushing is provided with a limiting outer edge, the limiting outer edge is abutted to the rocker arm, and the limiting outer edge is welded on the rocker arm.

7. A motorcycle rocker arm assembly as set forth in claim 6, wherein: the rocking arm has seted up a plurality of anti-rotating grooves on the side of connector, be connected with on the lateral wall of rocking arm bush and prevent changeing protruding muscle, prevent changeing protruding muscle block on preventing changeing the groove.