CN212690125U - Engine rocker arm structure, engine and vehicle - Google Patents
Engine rocker arm structure, engine and vehicle Download PDFInfo
- Publication number
- CN212690125U CN212690125U CN202021556688.9U CN202021556688U CN212690125U CN 212690125 U CN212690125 U CN 212690125U CN 202021556688 U CN202021556688 U CN 202021556688U CN 212690125 U CN212690125 U CN 212690125U
- Authority
- CN
- China
- Prior art keywords
- rocker arm
- arm body
- engine
- rocking arm
- valve control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The utility model discloses an engine rocker arm structure, engine and vehicle, this engine rocker arm structure include the rocking arm body, offer on the rocking arm body and be used for rotating the shaft hole of being connected with the rocking arm axle, the first end of rocking arm body is provided with the gyro wheel, the second end of rocking arm body is provided with the valve control structure, be provided with the recess on the rocking arm body, the recess certainly the first end of rocking arm body to the second end of rocking arm body is extended. The engine rocker arm structure reduces the overall weight and the operation load of the engine when applied to the engine.
Description
Technical Field
The utility model relates to an engine technical field, in particular to engine rocker structure, engine and vehicle.
Background
The engine rocker arm is a structure for driving a valve to open and close, the rocker arm is divided into an air inlet rocker arm and an air outlet rocker arm, and the four-stroke engine of the engine realizes the opening and closing functions of an air inlet valve and an air outlet valve through the action of the rocker arm, so that the four-stroke engine can normally run; in the whole engine operation process, the crankshaft drives the camshaft to rotate, and simultaneously, the roller of the air inlet rocker arm and the roller of the exhaust rocker arm are always in contact with the camshaft, so that the rocker arm can rotate around the shaft along with the rotation of the crankshaft and the camshaft, and the air inlet valve and the exhaust valve overcome the acting force of the valve spring and the pressure of the air cylinder to be opened under the action of the rotating force of the rocker arm, thereby realizing the air inlet and exhaust functions of the engine.
The rocker arm is generally an integrally formed casting, the weight is larger, the number of rocker arms arranged on the existing engine is larger, for example, the existing engine has six rocker arms, eight rocker arms and twelve rocker arms, and the weight and the load of the engine are directly increased due to the increase of the number of the rocker arms.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engine rocker arm structure, this engine rocker arm structure have reduced the quality of whole rocking arm.
Another object of the present invention is to provide an engine, which reduces the weight and load of the engine to a certain extent.
It is still another object of the present invention to provide a vehicle having an engine that reduces the weight and load of the engine to some extent.
The utility model discloses a realize through following technical scheme:
a first aspect of the utility model provides an engine rocker arm structure, including the rocking arm body, offer on the rocking arm body and be used for rotating the shaft hole of being connected with the rocking arm axle, the first end of rocking arm body is provided with the gyro wheel, the second end of rocking arm body is provided with the valve control structure, be provided with the recess on the rocking arm body, the recess certainly the first end of rocking arm body to the second end of rocking arm body is extended.
According to the engine rocker arm structure, the rocker arm body is internally provided with the valve control oil passage, the valve control oil passage is communicated with the valve control structure, and the oil passage wall of the valve control oil passage protrudes out of the outer surface of the rocker arm body.
As described above, the rocker arm body of the engine rocker arm structure includes the first side surface and the second side surface both perpendicular to the axial direction of the rocker arm shaft, and the grooves are provided on both the first side surface and the second side surface.
As described above, in the engine rocker arm structure, the thickness of the side of the rocker arm body on which the roller is mounted is greater than the thickness of the side of the rocker arm body on which the valve control structure is mounted.
As the engine rocker arm structure, the rocker arm body is a forged structural part.
As the engine rocker arm structure, the rocker arm body is made of 42CrMo steel.
As the engine rocker arm structure is adopted, the depth of the groove is 5-12 mm.
As the engine rocker arm structure, the idler wheel is arranged on the rocker arm body through the idler wheel pin, the idler wheel pin is provided with the oil hole, the rocker arm body is internally provided with the lubricating oil channel, and the lubricating oil channel is communicated with the oil hole.
Another aspect of the present invention is to provide an engine, the engine comprising the dual exhaust brake apparatus as described above.
A third aspect of the present invention provides a vehicle comprising an engine as described above.
The utility model discloses an engine rocker arm structure, set up on the rocking arm body and be used for rotating the shaft hole of being connected with the rocking arm axle, the first end of rocking arm body is provided with the gyro wheel, the second end of rocking arm body is provided with the valve control structure, be provided with the recess on the rocking arm body, the recess certainly the first end of rocking arm body to the second end extends, and through set up the recess on the rocking arm body, the recess certainly the first end of rocking arm body to the second end of rocking arm body extends, has reduced the weight of rocking arm body to a certain extent.
The utility model discloses an engine and vehicle include above-mentioned engine rocker arm structure, through set up the recess on the rocking arm body, the recess certainly the first end of rocking arm body to the second end of rocking arm body extends, has reduced the weight of rocking arm body to a certain extent, has reduced the holistic weight of engine and the operating load of engine when being applied to on the engine.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of an engine rocker arm structure provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rocker arm shaft according to an embodiment of the present invention.
Description of reference numerals:
1-a rocker arm body;
2-a roller;
3-valve control structure;
4-rocker shaft;
5-a camshaft;
11-shaft hole;
12-a groove;
13-oil duct wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The utility model discloses an engine rocker arm structure, engine and vehicle are proposed based on above problem.
The present invention provides a dual exhaust brake device, an engine, and a vehicle, which will be described in detail with reference to the following embodiments.
Fig. 1 is the structural schematic diagram of the engine rocker arm structure that the embodiment of the utility model provides, fig. 2 is the structural schematic diagram of the rocking arm axle that the embodiment provides, please refer to fig. 1 and fig. 2 and show, this embodiment first aspect provides an engine rocker arm structure, and the engine rocker arm structure of this embodiment includes rocking arm body 1, rocking arm body 1 is last to be offered and to be used for rotating shaft hole 11 of being connected with rocking arm axle 4, rocking arm body 1's first end is provided with gyro wheel 2, rocking arm body 1's second end is provided with valve control structure 3, be provided with recess 12 on rocking arm body 1, recess 12 certainly rocking arm body 1's first end to rocking arm body 1's second end extends.
In this embodiment, the engine rocker arm may be an intake rocker arm and an exhaust rocker arm, and the specific material of the engine rocker arm is not particularly limited in this embodiment.
The dual exhaust brake device of the present embodiment is applied to a two-in two-out engine, and the rocker shaft 4 is disposed on a cylinder block of the engine when in use. In the running process of the engine, the crankshaft drives the camshaft 5 to rotate, and meanwhile, the rollers of the intake rocker arm and the exhaust rocker arm are always in contact with the camshaft 5, so that the rocker arms rotate around the rocker arm shaft 4 along with the rotation of the crankshaft and the camshaft 5, and the intake valve and the exhaust valve overcome the acting force of a valve spring and the pressure of a cylinder to be opened under the action of the rotating force of the rocker arms, thereby realizing the intake and exhaust functions of the engine. The roller 2 of the embodiment is rotatably connected with the rocker arm body 1.
In this embodiment, the groove 12 extends from the first end of the rocker arm body 1 to the second end of the rocker arm body, and the groove 12 is formed in the rocker arm body 1, so that the thickness of the edge of the rocker arm body 1 and the thickness of the outer wall part of the shaft hole are greater than the thickness of the groove 12 on the rocker arm body 1.
Preferably, the rocker arm body 1 comprises a first side surface and a second side surface which are both perpendicular to the rocker arm shaft 4, the grooves are arranged on the first side surface and the second side surface, and the grooves 1 and 12 are arranged on two side surfaces of the rocker arm body 1 in the length direction. The grooves 12 are formed in the first side face and the second side face of the rocker arm body 1, so that the weight of the rocker arm structure is further reduced, and the weight and the running load of an engine are reduced when the rocker arm structure is applied to the engine.
The shaft hole used for being connected with the rocker shaft in a rotating mode is formed in the rocker body of the engine rocker arm structure, the roller is arranged at the first end of the rocker arm body, the valve control structure is arranged at the second end of the rocker arm body, the groove is formed in the rocker arm body, the groove extends from the first end of the rocker arm body to the second end of the rocker arm body, and the weight of the rocker arm is reduced to a certain extent.
Example two:
the present embodiment has a similar overall structure to that of the first embodiment, except that the present embodiment provides a reinforcing rib for reinforcing the structural strength of the rocker arm body on the basis of the first embodiment.
The rocker arm comprises a rocker arm body 1, a valve control oil passage is arranged in the rocker arm body 1, the valve control oil passage is communicated with a valve control structure 3, and an oil passage wall 13 of the valve control oil passage protrudes out of the outer surface of the rocker arm body.
The engine valve control structure is generally a brake piston structure, the valve control oil duct of the embodiment supplies oil for the valve control structure 3, the valve control oil duct extends to the valve control structure from an oil inlet end on the rocker arm body 1, an oil duct wall 13 of the valve control oil duct protrudes out of the outer surface of the rocker arm body, a reinforcing rib is formed on the rocker arm body 1, the reinforcing rib can enhance the stress of the rocker arm body, and the overall strength of the rocker arm structure is further improved.
Preferably, in this embodiment, the thickness of the rocker arm body 1 on the side where the roller 2 is mounted is greater than the thickness of the rocker arm body 1 on the side where the valve control structure 3 is mounted, and the thickness direction in this embodiment is the same as the axial direction of the rocker shaft. In the whole engine operation process, the crankshaft drives the camshaft 5 to rotate, and the roller 2 of the intake rocker arm and the exhaust rocker arm is always in contact with the camshaft 5, so that the rocker arm body rotates around the rocker arm shaft 4 along with the rotation of the crankshaft and the camshaft 5, and the intake valve and the exhaust valve overcome the acting force of a valve spring and the pressure of a cylinder to open the intake valve and the exhaust valve under the action of the rotating force of the rocker arm, thereby realizing the intake and exhaust functions of the engine. Because the rocking arm of installing gyro wheel 2 one side atress great in 5 contact processes with the camshaft, the thickness of this embodiment through installing gyro wheel 2 one side with the rocking arm body sets up to be greater than the thickness that 3 one sides of valve control structure were installed to rocking arm body 1, has improved the intensity that 2 one sides of gyro wheel were installed to rocking arm body 1 to a certain extent to engine rocker arm structure's life has been improved.
In this embodiment, the roller is disposed on the rocker arm body through a roller pin, an oil hole is formed in the roller pin, a lubricating oil passage is disposed in the rocker arm body, and the lubricating oil passage is communicated with the oil hole. The lubricating oil channel connected with the roller pin is arranged, so that the friction force of the contact surface of the roller pin and the roller is reduced, the abrasion of the roller and the roller pin is reduced, the reliability of the rocker arm structure is improved, and the service life of the rocker arm structure is prolonged.
The rocker arm body of the engine rocker arm structure of the embodiment is provided with a shaft hole which is used for being rotationally connected with a rocker arm shaft, the first end of the rocker arm body is provided with a roller, the second end of the rocker arm body is provided with a valve control structure, the rocker arm body is provided with a groove, the groove extends from the first end of the rocker arm body to the second end, and the groove extends from the first end of the rocker arm body to the second end of the rocker arm body by virtue of the groove arranged on the rocker arm body, so that the weight of the rocker arm body is reduced to a certain extent.
Example three:
the present embodiment has an overall structure similar to that of the first embodiment, except that the present embodiment provides a material and a molding manner of the rocker arm body on the basis of the second embodiment.
Preferably, the rocker arm body 1 is a forged structural member. Forging is a processing method which utilizes forging machinery to apply pressure on a metal blank to enable the metal blank to generate plastic deformation so as to obtain a forging with certain mechanical property, certain shape and certain size, the defects of casting-state looseness and the like generated in the smelting process of metal can be eliminated through forging, the microstructure is optimized, and meanwhile, because a complete metal streamline is saved, the mechanical property of the forging is generally superior to that of a casting made of the same material. This implementation rocking arm body 1 adopts the forging structure, has improved rocking arm body 1's intensity.
Preferably, the rocker arm body 1 is 42CrMo steel. The 42CrMo steel belongs to ultrahigh-strength steel, has high strength and toughness, good hardenability, no obvious temper brittleness, higher fatigue limit and multiple impact resistance after quenching and tempering, and good low-temperature impact toughness. In the embodiment, 42CrMo steel is adopted, so that the strength and the wear resistance of the rocker arm body 1 are improved.
Referring to fig. 2, in particular, the depth of the groove in the present embodiment is 5-12 mm.
Example four:
the present embodiment provides an engine including the engine rocker arm structure according to the first embodiment, the second embodiment, or the third embodiment.
For example: the engine rocker arm structure of this embodiment includes the rocker arm body, set up on the rocker arm body and be used for rotating the shaft hole of being connected with the rocking arm axle, the first end of rocker arm body is provided with the gyro wheel, the second end of rocker arm body is provided with valve control structure, be provided with the recess on the rocker arm body, the recess certainly the first end of rocker arm body to the second end of rocker arm body extends.
The utility model discloses an engine includes above-mentioned engine rocker structure, through set up the recess on the rocking arm body, the recess certainly the first end of rocking arm body to the second end of rocking arm body is extended, has reduced the weight of rocking arm body to a certain extent, has reduced the holistic weight of engine and the operating load of engine when being applied to on the engine.
Example five:
the present embodiment provides a vehicle including the engine described in the third embodiment.
The engine rocker arm structure of the engine comprises a rocker arm body, wherein a shaft hole used for being rotationally connected with a rocker arm shaft is formed in the rocker arm body, a roller is arranged at the first end of the rocker arm body, a valve control structure is arranged at the second end of the rocker arm body, a groove is formed in the rocker arm body, and the groove extends from the first end of the rocker arm body to the second end of the rocker arm body.
The utility model discloses a vehicle includes above-mentioned engine rocker structure, through set up the recess on the rocking arm body, the recess certainly the first end of rocking arm body to the second end of rocking arm body extends, has reduced the weight of rocking arm body to a certain extent, has reduced the holistic weight of engine and the operating load of engine when being applied to on the engine.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An engine rocker arm structure which characterized in that:
the rocker arm comprises a rocker arm body, wherein a shaft hole used for being rotationally connected with a rocker arm shaft is formed in the rocker arm body, a roller is arranged at the first end of the rocker arm body, a valve control structure is arranged at the second end of the rocker arm body, a groove is formed in the rocker arm body, and the groove extends from the first end of the rocker arm body to the second end of the rocker arm body.
2. The engine rocker arm structure of claim 1, wherein a valve control oil passage is provided in the rocker arm body, the valve control oil passage is communicated with the valve control structure, and an oil passage wall of the valve control oil passage protrudes from an outer surface of the rocker arm body.
3. The engine rocker arm structure of claim 1 wherein the rocker arm body includes first and second side surfaces that are both perpendicular to the axial direction of the rocker shaft, the first and second side surfaces each having the groove disposed thereon.
4. The engine rocker arm structure of claim 1,
the thickness of the side, provided with the roller, of the rocker arm body is larger than the thickness of the side, provided with the valve control structure, of the rocker arm body.
5. The engine rocker arm structure of claim 1 wherein the rocker arm body is a forged structural member.
6. The engine rocker arm structure of claim 1,
the rocker arm body is made of 42CrMo steel.
7. The engine rocker arm structure of claim 1 wherein the depth of the recess is 5-12 mm.
8. The engine rocker arm structure of claim 1, wherein the roller is disposed on the rocker arm body through a roller pin, an oil hole is formed on the roller pin, and a lubricating oil passage is disposed in the rocker arm body and communicates with the oil hole.
9. An engine, characterized in that it comprises an engine rocker arm structure according to any one of claims 1 to 8.
10. A vehicle characterized by comprising the engine of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021556688.9U CN212690125U (en) | 2020-07-31 | 2020-07-31 | Engine rocker arm structure, engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021556688.9U CN212690125U (en) | 2020-07-31 | 2020-07-31 | Engine rocker arm structure, engine and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212690125U true CN212690125U (en) | 2021-03-12 |
Family
ID=74900412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021556688.9U Active CN212690125U (en) | 2020-07-31 | 2020-07-31 | Engine rocker arm structure, engine and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212690125U (en) |
-
2020
- 2020-07-31 CN CN202021556688.9U patent/CN212690125U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9657810B2 (en) | Friction- and wear-reducing joint for a bush chain or roller chain | |
| CN101804770B (en) | Wheel bearing device and manufacturing method therefor | |
| US8393792B2 (en) | Bearing device | |
| CN101532405B (en) | Concentric camshaft with independent bearing surface for floating lobes | |
| CN1734064A (en) | Valve lifter and forming and processing method therefor | |
| CN102705025B (en) | Cam structure | |
| CN212690125U (en) | Engine rocker arm structure, engine and vehicle | |
| CN201568440U (en) | Engine crankshaft | |
| JP2003013710A (en) | Sliding device, and valve system of internal combustion engine | |
| CN106164508A (en) | The plain bearing arrangement that friction minimizes | |
| US7387098B2 (en) | Cam follower | |
| US7938091B2 (en) | Camshaft and camshaft manufacturing method | |
| CN102454525A (en) | Roller tappet and roller pin for a roller tappet | |
| US20120148180A1 (en) | Sliding support structure for shaft member | |
| WO2012028507A1 (en) | Pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine and associated assembly method | |
| CN207554134U (en) | A kind of camshaft | |
| CN110792684A (en) | Three-cylinder three-support crankshaft for diaphragm pump and machining process | |
| CN218718134U (en) | Engine crankshaft, engine and car | |
| CN210637463U (en) | Crank-connecting rod mechanism for vehicle and vehicle | |
| JP3147538B2 (en) | Cam follower and manufacturing method thereof | |
| CN205559518U (en) | Crank shaft for automobile engine | |
| CN208236895U (en) | A kind of express elevator traction wheel bearing using opening spherical floating set | |
| CN219345245U (en) | High-hardness wear-resistant crankshaft | |
| CN217055414U (en) | Wear-resisting one-piece type exhaust gas recirculation valve connecting rod | |
| CN207161162U (en) | A kind of engine cam of antifriction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |