CN212250171U - Split type rocker arm for engine - Google Patents
Split type rocker arm for engine Download PDFInfo
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- CN212250171U CN212250171U CN202022849223.9U CN202022849223U CN212250171U CN 212250171 U CN212250171 U CN 212250171U CN 202022849223 U CN202022849223 U CN 202022849223U CN 212250171 U CN212250171 U CN 212250171U
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- rocker arm
- arm body
- rocker
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- shaft hole
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Abstract
The utility model relates to a split type rocker arm for engine, including first rocker arm body and second rocker arm body, be provided with the holding surface on the first rocker arm body, be provided with the stopper on the second rocker arm body, stopper and holding surface contact setting, during the installation, first rocker arm body and second rocker arm body all rotate and install on the rocking arm axle, during the use, stopper and holding surface contact setting, first rocker arm body and second rocker arm body constitute integral rocking arm, the holding surface can promote the stopper and drive the rotation of second rocker arm body, the stopper also can promote the holding surface and drive the rotation of first rocker arm body; can process respectively first rocking arm body and second rocking arm body, the processing technology nature is better, and the interior oil duct degree of depth reduces, and machining efficiency is high, is the straight oilhole of thin weak point, and the easy sanitization of downthehole iron fillings can not arouse the unusual wearing and tearing of engine because of remaining impurity in the oil duct, and split type rocking arm spatial arrangement is compacter, can effectively solve the not good problem of arranging of engine space undersize.
Description
Technical Field
The utility model belongs to the technical field of the engine technique and specifically relates to a split type rocking arm is used to engine is related to.
Background
The valve rocker is used as an important moving part of the engine and mainly plays a role in transmitting the cam lift and driving the valve to reciprocate.
The existing cast or forged valve rocker adopts an integral mode, and slender oil ducts are arranged in the rocker to meet the requirements of circulating lubricating oil to lubricate moving parts and oil to drive other parts, so that the slender oil ducts have long drilling processing time, low efficiency and large drilling tool loss; moreover, some long holes need to be drilled from several directions to keep the through of the holes, and the corners of the oil duct easily cause the incomplete cleaning of iron accumulated chips in the machining process, thereby seriously affecting the cleanliness of the oil duct and the wear-resistant service life of the later engine in operation; meanwhile, the structure is particularly compact due to the design and light weight of the engine, and the spaces of the two sides of the rocker in the axial direction of part of the engine are very small, so that the rocker with the driving function and the hydraulic clearance adjusting function cannot be arranged.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the invention provides a split type rocker arm for an engine, aiming at solving the problems that the drilling efficiency of the existing long and thin oil duct of the rocker arm is low, accumulated chips in the long and thin oil duct hole with the corner are easy to remove, and part of the engine is compact, the space is too small, and driving parts and hydraulic clearance adjusting parts cannot be arranged on two axial sides of the rocker arm.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a split type rocking arm for engine, includes first rocking arm body and second rocking arm body, first rocking arm shaft hole has been seted up on the first rocking arm body, second rocking arm shaft hole has been seted up on the second rocking arm body, first rocking arm shaft hole and the coaxial setting in second rocking arm shaft hole, be provided with the holding surface on the first rocking arm body, be provided with the stopper on the second rocking arm body, stopper and holding surface contact setting.
The utility model discloses a split type rocking arm for engine, when the installation, the rocking arm axle wears to establish first rocking arm shaft hole and second rocking arm shaft hole, first rocking arm shaft hole and the coaxial setting in second rocking arm shaft hole, first rocking arm body and second rocking arm body all rotate to be installed on the rocking arm axle, be provided with the holding surface on the first rocking arm body, be provided with the stopper on the second rocking arm body, when using, stopper and holding surface contact setting, first rocking arm body and second rocking arm body constitute integral rocking arm, the holding surface can promote the stopper and drive second rocking arm body and rotate, the stopper also can promote the holding surface and drive first rocking arm body and rotate; can process respectively first rocking arm body and second rocking arm body, the processing technology nature is better, and the interior oil duct degree of depth reduces, and machining efficiency is high, is the straight oilhole of thin weak point, and the easy sanitization of downthehole iron fillings can not arouse the unusual wearing and tearing of engine because of remaining impurity in the oil duct, and split type rocking arm spatial arrangement is compacter, can effectively solve the not good problem of arranging of engine space undersize.
In order to limit the mounting position of the second rocker arm body in the axial direction of the rocker arm, a first mounting opening is formed in the end, where the first rocker arm shaft hole is located, of the first rocker arm body, the second rocker arm body is arranged in the first mounting opening, and the supporting surface is located in the first mounting opening.
First rocking arm body need with integrated cam contact when using, in order to reduce the friction between first rocking arm body and the integrated cam, need rotate the installation gyro wheel on first rocking arm body, for the ease of installation gyro wheel, keep away from the one end in first rocking arm shaft hole on the first rocking arm body and seted up the second installation opening, the gyro wheel rotates and installs in the second installation opening.
In order to facilitate the contact arrangement of the limiting block and the supporting surface, the limiting block is installed at the end where the second rocker arm shaft hole is located, in order to facilitate the installation of the rocker arm elephant foot assembly, an adjusting bolt hole is formed in one end, far away from the second rocker arm shaft hole, of the second rocker arm body, and the rocker arm elephant foot assembly is fixedly installed in the adjusting bolt hole.
In order to facilitate installation of the driving control valve, a control valve hole is formed in the second rocker arm body, the driving control valve is fixedly installed in the control valve hole, the control valve hole is located between the second rocker arm shaft hole and the adjusting bolt hole, in order to facilitate installation of the driving piston, a piston hole is formed in the limiting block, the driving piston is installed in the piston hole in a sliding mode, a first driving oil duct, an oil supply channel and a second driving oil duct are formed in the second rocker arm body, the first driving oil duct is communicated with the piston hole and the control valve hole, the oil supply channel is communicated with the second rocker arm shaft hole and the control valve hole, and the second driving oil duct is communicated with the control valve hole and the limiting.
Furthermore, a lubricating oil channel is further formed in the second rocker arm body and is communicated with the control valve hole, the second rocker arm shaft hole and the adjusting bolt hole.
The utility model has the advantages that when being installed, the rocker shaft is penetrated by the first rocker shaft hole and the second rocker shaft hole, the first rocker shaft hole and the second rocker shaft hole are coaxially arranged, the first rocker body and the second rocker body are both rotatably installed on the rocker shaft, the first rocker body is provided with the supporting surface, the second rocker body is provided with the limiting block, when in use, the limiting block is in contact with the supporting surface, the first rocker body and the second rocker body form an integral rocker, the supporting surface can push the limiting block to rotate, and the limiting block can also push the supporting surface to rotate; the support surface can push the limiting block to drive the second rocker body to rotate, and the limiting block can also push the support surface to drive the first rocker body to rotate; can process respectively first rocking arm body and second rocking arm body, the processing technology nature is better, and the interior oil duct degree of depth reduces, and machining efficiency is high, is the straight oilhole of thin weak point, and the easy sanitization of downthehole iron fillings can not arouse the unusual wearing and tearing of engine because of remaining impurity in the oil duct, and split type rocking arm spatial arrangement is compacter, can effectively solve the not good problem of arranging of engine space undersize.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a three-dimensional schematic view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a cross-sectional view taken at a-a of fig. 2 in accordance with the present invention;
FIG. 4 is a three-dimensional schematic view of a first rocker arm body of the present invention;
fig. 5 is a three-dimensional schematic view of a second rocker arm body of the present invention.
In the figure: 1. the rocker arm comprises a first rocker arm body, 1-1 parts of a first rocker arm shaft hole, 1-2 parts of a supporting surface, 1-3 parts of a first mounting opening, 1-4 parts of a second mounting opening, 2 parts of a second rocker arm body, 2-1 parts of a second rocker arm shaft hole, 2-2 parts of an adjusting bolt hole, 2-3 parts of a control valve hole, 2-4 parts of a first driving oil duct, 2-5 parts of an oil supply channel, 2-6 parts of a second driving oil duct, 2-7 parts of a lubricating oil duct, 3 parts of a limiting block and 3-1 parts of a piston hole.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The split rocker arm for the engine shown in the figures 1-3 comprises a first rocker arm body 1 and a second rocker arm body 2, wherein a first rocker arm shaft hole 1-1 is formed in the first rocker arm body 1, a second rocker arm shaft hole 2-1 is formed in the second rocker arm body 2, the first rocker arm shaft hole 1-1 and the second rocker arm shaft hole 2-1 are coaxially arranged, a supporting surface 1-2 is arranged on the first rocker arm body 1, a limiting block 3 is arranged on the second rocker arm body 2, the second rocker arm body 2 and the limiting block 3 can be of an integral manufacturing structure, and the limiting block 3 is in contact with the supporting surface 1-2.
In order to limit the installation position of the second rocker arm body 2 in the axial direction of the rocker arm, as shown in fig. 4, a first installation opening 1-3 is formed at the end of the first rocker arm body 1 where the first rocker arm shaft hole 1-1 is located, the second rocker arm body 2 is arranged in the first installation opening 1-3, and the support surface 1-2 is located in the first installation opening 1-3.
The first rocker arm body 1 is required to be in contact with the integrated cam when in use, in order to reduce friction between the first rocker arm body 1 and the integrated cam, a roller needs to be rotatably installed on the first rocker arm body 1, in order to install the roller, a second installation opening 1-4 is formed in one end, far away from the first rocker arm shaft hole 1-1, of the first rocker arm body 1, and the roller is rotatably installed in the second installation opening 1-4.
In order to facilitate the contact arrangement of the limiting block 3 and the supporting surface 1-2, the limiting block 3 is installed at the end where the second rocker shaft hole 2-1 is located, and in order to facilitate the installation of the rocker elephant foot assembly, as shown in fig. 5, an adjusting bolt hole 2-2 is formed in one end, far away from the second rocker shaft hole 2-1, of the second rocker body 2, and the rocker elephant foot assembly is fixedly installed in the adjusting bolt hole 2-2.
In order to facilitate the installation of the driving control valve, the second rocker arm body 2 is provided with a control valve hole 2-3, the driving control valve is fixedly installed in the control valve hole 2-3, the control valve hole 2-3 is positioned between the second rocker arm shaft hole 2-1 and the adjusting bolt hole 2-2, in order to facilitate the installation of the driving piston, the limiting block 3 is provided with a piston hole 3-1, the driving piston is slidably installed in the piston hole 3-1 and is in contact with the supporting surface 1-2, the second rocker arm body 2 is provided with a first driving oil duct 2-4, an oil supply channel 2-5 and a second driving oil duct 2-6, the first driving oil duct 2-4 is communicated with the piston hole 3-1 and the control valve hole 2-3, the oil supply channel 2-5 is communicated with the second rocker arm shaft hole 2-1 and the control valve, the second driving oil duct 2-6 is communicated with the control valve hole 2-3 and a limiting surface of the second rocker arm body 2, and the limiting surface of the second rocker arm body 2 is a surface of the second rocker arm body 2 contacting with the valve bridge after installation is completed.
The second rocker arm body 2 is also provided with a lubricating oil passage 2-7, and the lubricating oil passage 2-7 is communicated with the control valve hole 2-3, the second rocker arm shaft hole 2-1 and the adjusting bolt hole 2-2.
The utility model discloses a split type rocking arm for engine, when the installation, the rocking arm axle wears to establish first rocking arm shaft hole 1-1 and second rocking arm shaft hole 2-1, first rocking arm shaft hole 1-1 and second rocking arm shaft hole 2-1 coaxial setting, first rocking arm body 1 and second rocking arm body 2 are all rotated and are installed on the rocking arm axle, be provided with holding surface 1-2 on first rocking arm body 1, be provided with stopper 3 on second rocking arm body 2, when using, stopper 3 and holding surface 1-2 contact setting, first rocking arm body 1 and second rocking arm body 2 constitute integral rocking arm, holding surface 1-2 can promote stopper 3 and drive second rocking arm body 2 to rotate, stopper 3 also can promote holding surface 1-2 and drive first rocking arm body 1 to rotate; can process respectively first rocking arm body 1 and second rocking arm body 2, the processing technology nature is better, and the interior oil duct degree of depth reduces, and machining efficiency is high, is the straight oilhole of thin and short, and the easy sanitization of downthehole iron fillings can not arouse the engine abnormal wear in the oil duct because of remaining impurity, and split type rocking arm spatial arrangement is compacter, can effectively solve the problem that engine space undersize was not arranged well.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a split type rocking arm for engine which characterized in that: the rocker arm comprises a first rocker arm body (1) and a second rocker arm body (2), wherein a first rocker arm shaft hole (1-1) is formed in the first rocker arm body (1), a second rocker arm shaft hole (2-1) is formed in the second rocker arm body (2), the first rocker arm shaft hole (1-1) and the second rocker arm shaft hole (2-1) are coaxially arranged, a supporting surface (1-2) is arranged on the first rocker arm body (1), a limiting block (3) is arranged on the second rocker arm body (2), and the limiting block (3) is in contact with the supporting surface (1-2).
2. The split rocker arm for an engine according to claim 1, wherein: a first mounting opening (1-3) is formed in the end, where a first rocker shaft hole (1-1) is located, of the first rocker body (1), the second rocker body (2) is arranged in the first mounting opening (1-3), and the supporting surface (1-2) is located in the first mounting opening (1-3).
3. The split rocker arm for an engine according to claim 1, wherein: and a second mounting opening (1-4) is formed in one end, far away from the first rocker shaft hole (1-1), of the first rocker body (1).
4. The split rocker arm for an engine according to claim 1, wherein: the limiting block (3) is installed at the end where the second rocker shaft hole (2-1) is located, and an adjusting bolt hole (2-2) is formed in one end, far away from the second rocker shaft hole (2-1), of the second rocker body (2).
5. The split rocker arm for an engine according to claim 4, wherein: a control valve hole (2-3) is formed in the second rocker arm body (2), the control valve hole (2-3) is located between the second rocker arm shaft hole (2-1) and the adjusting bolt hole (2-2), the limiting block (3) is provided with a piston hole (3-1), the second rocker arm body (2) is provided with a first driving oil duct (2-4), an oil supply channel (2-5) and a second driving oil duct (2-6), the first driving oil passage (2-4) is communicated with the piston hole (3-1) and the control valve hole (2-3), the oil supply channel (2-5) is communicated with the second rocker shaft hole (2-1) and the control valve hole (2-3), the second driving oil channel (2-6) is communicated with the control valve hole (2-3) and the limiting surface of the second rocker arm body (2).
6. The split rocker arm for an engine according to claim 5, wherein: and a lubricating oil channel (2-7) is further formed in the second rocker arm body (2), and the lubricating oil channel (2-7) is communicated with the control valve hole (2-3), the second rocker arm shaft hole (2-1) and the adjusting bolt hole (2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022849223.9U CN212250171U (en) | 2020-12-02 | 2020-12-02 | Split type rocker arm for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022849223.9U CN212250171U (en) | 2020-12-02 | 2020-12-02 | Split type rocker arm for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212250171U true CN212250171U (en) | 2020-12-29 |
Family
ID=73982323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022849223.9U Active CN212250171U (en) | 2020-12-02 | 2020-12-02 | Split type rocker arm for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212250171U (en) |
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2020
- 2020-12-02 CN CN202022849223.9U patent/CN212250171U/en active Active
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