CN114753901A - Rocker shaft assembly for diesel engine valve actuating mechanism - Google Patents
Rocker shaft assembly for diesel engine valve actuating mechanism Download PDFInfo
- Publication number
- CN114753901A CN114753901A CN202210454963.3A CN202210454963A CN114753901A CN 114753901 A CN114753901 A CN 114753901A CN 202210454963 A CN202210454963 A CN 202210454963A CN 114753901 A CN114753901 A CN 114753901A
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- rocker
- rocker arm
- shaft
- oil
- arm shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 111
- 230000007704 transition Effects 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 9
- 239000010687 lubricating oil Substances 0.000 claims description 8
- 239000010705 motor oil Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
A rocker shaft assembly for a valve actuating mechanism of a diesel engine comprises a rocker shaft and a plurality of rocker arm components, wherein each rocker arm component comprises an air inlet rocker arm, an air outlet rocker arm and rocker arm shaft seats, the bottom surfaces of the rocker arm shaft seats are placed on a cylinder cover of the diesel engine, the rocker shaft is simultaneously placed on the top sides of the rocker arm shaft seats, a plurality of positioning bolts penetrate through the rocker shaft, and respectively penetrate through holes of the rocker arm shaft seats and are screwed into threaded holes of a cylinder cover, so that the rocker arm shafts can be supported in a matched manner by the rocker arm shaft seats; the top side of the rocker shaft seat is provided with a plurality of sections of positioning steps which are respectively positioned at two sides of the plurality of air inlet rocker arms and the plurality of air outlet rocker arms along the axial direction of the rocker shaft, the axial displacement of the air inlet rocker arms and the air outlet rocker arms is limited by the matching of the plurality of sections of positioning steps, a spring is not required to be additionally arranged on the rocker shaft between every two adjacent rocker arms, and the structure of the rocker shaft assembly is simplified; oil ducts are arranged in the rocker shaft, the rocker shaft seat, the air inlet rocker and the air outlet rocker, and the lubricating performance of the rocker shaft assembly is improved.
Description
Technical Field
The invention relates to the field of diesel engine valve actuating mechanisms, in particular to a rocker shaft assembly for a diesel engine valve actuating mechanism.
Background
The diesel distribution mechanism is used for finishing the air exchange process according to the working sequence and the distribution phase of each cylinder of the internal combustion engine and ensuring the sealing performance of the cylinders in the compression stroke and the expansion stroke. The rocker shaft assembly is used as the important part of the valve mechanism and has the main function of changing the direction of the motion and acting force transferred from the push rod or cam to the valve for opening. The rocker shaft assembly of the diesel engine valve actuating mechanism usually comprises a rocker shaft, an air inlet rocker arm and an air outlet rocker arm, wherein the air inlet rocker arm and the air outlet rocker arm are sleeved on the rocker shaft, one side of the air inlet rocker arm and one side of the air outlet rocker arm are provided with valve adjusting screws, a working surface at one end of each valve adjusting screw is connected with a transmission device such as a push rod or a cam, a ball head assembly is arranged at the other side of the air inlet rocker arm and the air outlet rocker arm, the working surface at one end of the ball head assembly is connected with an air valve, when the transmission device pushes the valve adjusting screws, the air inlet rocker arm and the air outlet rocker arm rotate, and the ball head assembly can change the opening and closing state of the air valve.
The existing rocker arm shaft assembly is generally complex in structure, because a plurality of air inlet rocker arms and exhaust rocker arms are sleeved on the rocker arm shaft and the axial distance between the adjacent air inlet rocker arms and exhaust rocker arms needs to be controlled, a spring is additionally arranged on the rocker arm shaft between the two adjacent rocker arms, the structure of the rocker arm shaft is more complex, and because the structure of the springs is sleeved, the connecting structure of the rocker arm shaft and a rocker arm shaft seat is also complex, the installation mode of the rocker arm shaft on a diesel engine cylinder is complex and inconvenient, and the rocker arm shaft assembly is difficult to meet the requirements of light weight and cost reduction of products. When the rocker arm shaft assembly works, the rocker arm inner hole and the rocker arm shaft, the rocker arm working surface and the valve rod tail end surface, and the ball head of the valve adjusting screw and the ball seat of the push rod need to be lubricated, and the existing rocker arm shaft assembly has insufficient lubricating performance.
Disclosure of Invention
The rocker shaft assembly for the valve actuating mechanism of the diesel engine has the advantages of simple structure and lower cost, and can meet the requirements of the diesel engine.
The technical scheme adopted by the invention for solving the technical problems is as follows: a rocker arm shaft assembly for a valve actuating mechanism of a diesel engine comprises a rocker arm shaft and a plurality of rocker arm components, wherein each rocker arm component comprises an air inlet rocker arm and an air outlet rocker arm which are sleeved on the rocker arm shaft, one side of each air inlet rocker arm and one side of each air outlet rocker arm are respectively provided with a respective ball head part, the other sides of each air inlet rocker arm and each air outlet rocker arm are respectively provided with a respective valve adjusting screw, the top of each valve adjusting screw is screwed with a valve adjusting nut, the rocker arm components further comprise rocker arm shaft seats, the bottom surfaces of the rocker arm shaft seats are placed on a cylinder cover of the diesel engine, the rocker arm shaft is simultaneously placed on the top sides of a plurality of rocker arm shaft seats, a plurality of positioning bolts penetrate through the rocker arm shaft seats, respectively penetrate through holes of the plurality of rocker arm shaft seats and are screwed into threaded holes of the cylinder cover, and the plurality of rocker arm shaft seats can be matched with and support the rocker arm shaft; the top side of the rocker shaft seat is provided with a plurality of sections of positioning steps which are respectively positioned at two sides of the plurality of air inlet rocker arms and the plurality of exhaust rocker arms along the axial direction of the rocker shaft, and the axial displacement of the air inlet rocker arms and the exhaust rocker arms is limited by the matching of the plurality of sections of positioning steps.
Preferably, an inner oil duct penetrating through the rocker shaft along the axial direction is formed in the rocker shaft, one of the rocker shaft bases is an oil inlet rocker shaft base, an oil inlet groove is formed in the bottom side of the oil inlet rocker shaft base, an oil inlet groove cover is arranged on an oil outlet of the cylinder cover, and one end of the oil inlet groove is communicated with a through hole, used for penetrating through a positioning bolt, of the oil inlet rocker shaft base, so that engine oil or lubricating oil can flow into the inner oil duct of the rocker shaft through the oil inlet groove;
the side wall of the rocker shaft is provided with a plurality of transition oil holes, the inner ports of the transition oil holes are communicated with the inner oil duct of the rocker shaft, the outer ports of the transition oil holes are positioned on the outer surface of the rocker shaft, the interiors of the plurality of intake rocker arms and the exhaust rocker arms are respectively provided with a respective valve adjusting screw connecting oil duct and a ball head part connecting oil duct, one end of the valve adjusting screw connecting oil duct is communicated with the outer port of the transition oil hole, the other end of the valve adjusting screw connecting oil duct is communicated with the inner oil duct of a valve adjusting screw positioned in the valve adjusting screw, one end of the ball head part connecting oil duct is communicated with the outer port of the transition oil hole, and the other end of the ball head part connecting oil duct is communicated with the inner oil duct of the ball head part positioned in the ball head part; the valve adjusting screw inner oil duct and the ball head assembly inner oil duct extend to the end working faces of the valve adjusting screw and the ball head assembly respectively, so that engine oil or lubricating oil can lubricate the end working faces of the valve adjusting screw and the ball head assembly.
Preferably, including four rocking arm subassemblies altogether, the rocking arm axle bed of four rocking arm subassemblies is respectively for following location rocking arm axle bed, oil feed rocking arm axle bed and two general rocking arm axle beds that the rocking arm axle axial set gradually, wears to be equipped with a solid locating pin on the location rocking arm axle bed, and the bottom of solid locating pin stretches into the locating pin hole of cylinder head.
Preferably, two positioning bolts are respectively arranged on the positioning rocker arm shaft seat, the oil inlet rocker arm shaft seat and the two universal rocker arm shaft seats in a penetrating manner, and the two positioning bolts respectively correspond to the air inlet rocker arm and the exhaust rocker arm along the axial position of the rocker arm shaft.
Preferably, the outer side of each positioning bolt on each of the positioning rocker arm shaft seat, the oil inlet rocker arm shaft seat and the two general rocker arm shaft seats is sleeved with a hollow positioning pin, one end of each hollow positioning pin is located in a through hole of each rocker arm shaft seat, the other end of each hollow positioning pin extends to an inner oil duct of the rocker arm shaft, and the outer wall of each hollow positioning pin is respectively attached to the rocker arm shaft seats and the rocker arm shafts for positioning.
According to the technical scheme, the invention has the beneficial effects that:
the invention has simple structure, small occupied space and low cost, can meet the requirements of light weight and cost reduction of a diesel engine, axially positions the air inlet rocker arm and the air outlet rocker arm through the positioning steps of the rocker arm shaft seats, and directly installs the rocker arm shaft on the cylinder cover of the diesel engine through a plurality of rocker arm shaft seats; the oil ducts are arranged in the rocker shaft, the rocker shaft seat, the air inlet rocker arm, the air exhaust rocker arm and other parts, so that engine oil or lubricating oil can lubricate the working surface at the end part of the valve adjusting screw and the ball head assembly, and the lubricating performance of the rocker shaft assembly is improved.
Drawings
FIG. 1 is a top view of a rocker shaft assembly;
FIG. 2 is a bottom view of the rocker shaft assembly;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 4 is a rotated cross-sectional view taken along line B-B of FIG. 1;
FIG. 5 is a schematic illustration of an oil passage of a rocker shaft;
FIG. 6 is a schematic illustration of the oil passages of the intake rocker arm and the valve adjustment screw;
FIG. 7 is a schematic view of an oil passage of an exhaust rocker arm and ball joint assembly;
FIG. 8 is a schematic view of an oil intake rocker arm shaft seat.
The labels in the figure are: 1. the rocker arm comprises a rocker arm shaft, 2, an air inlet rocker arm, 3, an exhaust rocker arm, 4, a positioning rocker arm shaft seat, 5, an oil inlet rocker arm shaft seat, 6, a universal rocker arm shaft seat, 7, a valve adjusting screw, 8, a valve adjusting nut, 9, a ball joint part, 10, a positioning bolt, 11, a hollow positioning pin, 12, a solid positioning pin, 13, an oil inlet groove, 14, an inner oil passage of the rocker arm shaft, 15, a transition oil hole, 16, a valve adjusting screw connecting oil passage, 17, an inner oil passage of the valve adjusting screw, 18, a ball joint part connecting oil passage, 19 and an inner oil passage of the ball joint part.
Detailed Description
Referring to the drawings, the specific embodiments are as follows:
as shown in the figure, the rocker shaft assembly for the valve actuating mechanism of the diesel engine comprises a rocker shaft 1 and four rocker arm components, wherein each rocker arm component comprises an air inlet rocker arm 2 and an air outlet rocker arm 3 which are sleeved on the rocker shaft 1, one side of each air inlet rocker arm 2 and one side of each air outlet rocker arm 3 are respectively provided with a ball head assembly 9, the other side of each air inlet rocker arm 2 and the other side of each air outlet rocker arm 3 are respectively provided with a valve adjusting screw 7, and the top of each valve adjusting screw 7 is screwed with a valve adjusting nut 8. The working surface of one end of the valve adjusting screw 7 is connected with a transmission device such as a push rod or a cam, the working surface of one end of the ball joint part 9 is connected with the valve, when the transmission device pushes the valve adjusting screw 7, the air inlet rocker arm 2 and the air exhaust rocker arm 3 rotate, and the ball joint part 9 changes the opening and closing state of the valve.
The rocker arm component further comprises rocker arm shaft seats, the bottom surfaces of the rocker arm shaft seats are placed on a cylinder cover of a diesel engine, the rocker arm shaft 1 is placed on the top sides of the four rocker arm shaft seats, two positioning bolts 10 penetrate through the rocker arm shaft 1, the two positioning bolts 10 correspond to the air inlet rocker arm 2 and the exhaust rocker arm 3 respectively along the axial positions of the rocker arm shaft 1, the eight positioning bolts 10 penetrate through holes of the four rocker arm shaft seats respectively and are screwed into threaded holes of the cylinder cover, and the four rocker arm shaft seats can be matched with each other to support the rocker arm shaft 1.
The top side of the rocker shaft seat is provided with a plurality of positioning steps which are respectively positioned at two axial sides of a plurality of air inlet rocker arms 2 and exhaust rocker arms 3 along the rocker shaft 1, and the axial displacement of the air inlet rocker arms 2 and the exhaust rocker arms 3 is limited by the matching of the plurality of positioning steps. Therefore, a spring does not need to be additionally arranged on the rocker shaft 1 between two adjacent rocker arms, the structure of the rocker shaft assembly is simplified, and the structure of the rocker shaft seat is simplified, so that the rocker shaft assembly is simpler and more convenient to install on a cylinder.
The rocker shaft 1 is internally provided with a rocker shaft inner oil duct 14 which penetrates along the axial direction, one of the rocker shaft bases is an oil inlet rocker shaft base 5, the bottom side of the oil inlet rocker shaft base 5 is provided with an oil inlet groove 13, the oil inlet groove 13 is covered on an oil outlet hole of a cylinder cover, one end of the oil inlet groove 13 is communicated with a through hole which is used for penetrating through the positioning bolt 10 of the oil inlet rocker shaft base 5, and engine oil or lubricating oil can flow into the rocker shaft inner oil duct 14 through the oil inlet groove 13.
A plurality of transition oil holes 15 are formed in the side wall of the rocker shaft 1, the inner ports of the transition oil holes 15 are communicated with a rocker shaft inner oil duct 14, the outer ports of the transition oil holes 15 are located on the outer surface of the rocker shaft 1, a plurality of air inlet rocker arms 2 and an air exhaust rocker arm 3 are respectively provided with a valve adjusting screw connecting oil duct 16 and a ball head assembly connecting oil duct 18, one end of the valve adjusting screw connecting oil duct 16 is communicated with the outer port of the transition oil hole 15, the other end of the valve adjusting screw connecting oil duct 16 is communicated with a valve adjusting screw inner oil duct 17 located inside a valve adjusting screw 7, one end of the ball head assembly connecting oil duct 18 is communicated with the outer port of the transition oil hole 15, and the other end of the ball head assembly connecting oil duct 18 is communicated with a ball head inner oil duct 19 located inside a ball head assembly 9; the valve adjusting screw inner oil passage 17 and the ball joint part inner oil passage 19 respectively extend to the end working surfaces of the valve adjusting screw 7 and the ball joint part 9, so that engine oil or lubricating oil can lubricate the end working surfaces of the valve adjusting screw 7 and the ball joint part 9.
The rocker arm shaft seats of the four rocker arm assemblies are respectively a positioning rocker arm shaft seat 4, an oil inlet rocker arm shaft seat 5 and two general rocker arm shaft seats 6 which are sequentially arranged along the axial direction of a rocker arm shaft 1, a solid positioning pin 12 penetrates through the positioning rocker arm shaft seat 4, and the bottom end of the solid positioning pin 12 extends into a positioning pin hole of a cylinder cover. The outer side of each positioning bolt 10 on the positioning rocker arm shaft seat 4, the oil inlet rocker arm shaft seat 5 and the two general rocker arm shaft seats 6 is sleeved with a hollow positioning pin 11, one end of each hollow positioning pin 11 is located in a through hole of the corresponding rocker arm shaft seat, the other end of each hollow positioning pin 11 extends to an oil duct 14 in the corresponding rocker arm shaft, and the outer wall of each hollow positioning pin 11 is respectively attached to the corresponding rocker arm shaft seat and the corresponding rocker arm shaft 1 for positioning. The solid positioning pin 12 and the hollow positioning pin 11 are matched with each other, so that the mounting precision of the rocker arm shaft assembly is improved, and the stable and reliable work of a diesel engine valve mechanism is ensured.
As shown in fig. 2, oil inlet grooves 13 are formed in the bottom ends of the positioning rocker arm shaft seat 4 and the oil inlet rocker arm shaft seat 5, and the solid positioning pin 12 penetrates through the oil inlet groove 13 of the positioning rocker arm shaft seat 4. However, in actual installation, only the oil inlet groove 13 of the oil inlet rocker shaft seat 5 covers the oil outlet hole of the cylinder head, the oil inlet groove 13 of the positioning rocker shaft seat 4 only covers the surface of the cylinder head, and no engine oil or lubricating oil flows into the oil inlet groove 13 of the positioning rocker shaft seat 4. By adopting the design, the positioning rocker arm shaft seat 4 and the oil inlet rocker arm shaft seat 5 can be produced in the same structure, and the rocker arm shaft seats can be conveniently processed in batches.
Claims (5)
1. The utility model provides a rocking arm axle assembly for diesel engine valve timing mechanism, including rocking arm axle (1) and a plurality of rocking arm subassembly, the rocking arm subassembly is including establishing admit air rocking arm (2) and exhaust rocking arm (3) on rocking arm axle (1), the one side of admitting air rocking arm (2) and exhaust rocking arm (3) is equipped with respective bulb spare (9) respectively, the opposite side of admitting air rocking arm (2) and exhaust rocking arm (3) is equipped with respective valve adjusting screw (7) respectively, valve adjusting nut (8) have been twisted at the top of valve adjusting screw (7), its characterized in that: the rocker arm component also comprises rocker arm shaft seats, the bottom surfaces of the rocker arm shaft seats are placed on a cylinder cover of the diesel engine, the rocker arm shafts (1) are simultaneously placed on the top sides of the plurality of rocker arm shaft seats, a plurality of positioning bolts (10) penetrate through the rocker arm shafts (1), the plurality of positioning bolts (10) respectively penetrate through holes of the plurality of rocker arm shaft seats and are screwed into threaded holes of a cylinder cover, and the plurality of rocker arm shaft seats can be matched with and support the rocker arm shafts (1); the top side of the rocker arm shaft seat is provided with a plurality of sections of positioning steps which are respectively positioned at two axial sides of a plurality of air inlet rocker arms (2) and exhaust rocker arms (3) along the rocker arm shaft (1), and the axial displacement of the air inlet rocker arms (2) and the exhaust rocker arms (3) is limited through the matching of the plurality of sections of positioning steps.
2. The rocker shaft assembly of claim 1, wherein: the rocker shaft is characterized in that a rocker shaft inner oil duct (14) which penetrates through the rocker shaft (1) along the axial direction is formed in the rocker shaft, one of the rocker shaft seats is an oil inlet rocker shaft seat (5), an oil inlet groove (13) is formed in the bottom side of the oil inlet rocker shaft seat (5), the oil inlet groove (13) is covered on an oil outlet hole of a cylinder cover, one end of the oil inlet groove (13) is communicated with a through hole which is formed in the oil inlet rocker shaft seat (5) and used for penetrating a positioning bolt (10), and engine oil or lubricating oil can flow into the rocker shaft inner oil duct (14) through the oil inlet groove (13);
the rocker arm comprises a rocker arm shaft (1), a plurality of transition oil holes (15) are formed in the side wall of the rocker arm shaft (1), inner ports of the transition oil holes (15) are communicated with a rocker arm shaft inner oil duct (14), outer ports of the transition oil holes (15) are located on the outer surface of the rocker arm shaft (1), a plurality of air inlet rocker arms (2) and air outlet rocker arms (3) are respectively provided with a valve adjusting screw connecting oil duct (16) and a ball head assembly connecting oil duct (18), one end of the valve adjusting screw connecting oil duct (16) is communicated with the outer port of the transition oil hole (15), the other end of the valve adjusting screw connecting oil duct (16) is communicated with a valve adjusting screw inner oil duct (17) located inside a valve adjusting screw (7), one end of the ball head assembly connecting oil duct (18) is communicated with the outer port of the transition oil hole (15), and the other end of the ball head assembly connecting oil duct (18) is communicated with a ball head assembly inner oil duct (19) located inside a ball head assembly (9); the valve adjusting screw inner oil duct (17) and the ball joint part inner oil duct (19) respectively extend to the end working faces of the valve adjusting screw (7) and the ball joint part (9), so that engine oil or lubricating oil can lubricate the end working faces of the valve adjusting screw (7) and the ball joint part (9).
3. The rocker shaft assembly of claim 2, wherein: the cylinder head rocker arm assembly comprises four rocker arm assemblies, rocker arm shaft seats of the four rocker arm assemblies are respectively a positioning rocker arm shaft seat (4), an oil inlet rocker arm shaft seat (5) and two universal rocker arm shaft seats (6) which are sequentially arranged along the axial direction of a rocker arm shaft (1), a solid positioning pin (12) is arranged on the positioning rocker arm shaft seat (4) in a penetrating mode, and the bottom end of the solid positioning pin (12) stretches into a positioning pin hole of a cylinder head.
4. A rocker shaft assembly for a valve train of a diesel engine as set forth in claim 3, wherein: two positioning bolts (10) are respectively arranged on the positioning rocker arm shaft seat (4), the oil inlet rocker arm shaft seat (5) and the two general rocker arm shaft seats (6) in a penetrating manner, and the axial positions of the two positioning bolts (10) along the rocker arm shaft (1) are respectively corresponding to the air inlet rocker arm (2) and the exhaust rocker arm (3).
5. The rocker shaft assembly of claim 4, wherein: the outer side of each positioning bolt (10) on each positioning rocker arm shaft seat (4), each oil inlet rocker arm shaft seat (5) and each universal rocker arm shaft seat (6) is sleeved with a hollow positioning pin (11), one end of each hollow positioning pin (11) is located in a through hole of each rocker arm shaft seat, the other end of each hollow positioning pin (11) extends to an oil duct (14) in each rocker arm shaft, and the outer wall of each hollow positioning pin (11) is respectively attached to and positioned on each rocker arm shaft seat and each rocker arm shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210454963.3A CN114753901A (en) | 2022-04-24 | 2022-04-24 | Rocker shaft assembly for diesel engine valve actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210454963.3A CN114753901A (en) | 2022-04-24 | 2022-04-24 | Rocker shaft assembly for diesel engine valve actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114753901A true CN114753901A (en) | 2022-07-15 |
Family
ID=82334022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210454963.3A Pending CN114753901A (en) | 2022-04-24 | 2022-04-24 | Rocker shaft assembly for diesel engine valve actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114753901A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203335154U (en) * | 2013-07-03 | 2013-12-11 | 广西玉柴机器股份有限公司 | Diesel inlet valve rocker arm assembly |
| CN203335157U (en) * | 2013-07-22 | 2013-12-11 | 中国重汽集团济南动力有限公司 | Valve rocker assembly of valve train with overhead cam |
| CN105569756A (en) * | 2015-03-18 | 2016-05-11 | 第一拖拉机股份有限公司 | Diesel engine single overhead camshaft driven valve rocker mechanism |
| CN209925041U (en) * | 2019-05-08 | 2020-01-10 | 北京福田康明斯发动机有限公司 | Valve rocker assembly and engine |
| CN111305923A (en) * | 2020-03-30 | 2020-06-19 | 安徽航瑞航空动力装备有限公司 | Rocker arm shaft seat assembly and diesel engine with same |
-
2022
- 2022-04-24 CN CN202210454963.3A patent/CN114753901A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203335154U (en) * | 2013-07-03 | 2013-12-11 | 广西玉柴机器股份有限公司 | Diesel inlet valve rocker arm assembly |
| CN203335157U (en) * | 2013-07-22 | 2013-12-11 | 中国重汽集团济南动力有限公司 | Valve rocker assembly of valve train with overhead cam |
| CN105569756A (en) * | 2015-03-18 | 2016-05-11 | 第一拖拉机股份有限公司 | Diesel engine single overhead camshaft driven valve rocker mechanism |
| CN209925041U (en) * | 2019-05-08 | 2020-01-10 | 北京福田康明斯发动机有限公司 | Valve rocker assembly and engine |
| CN111305923A (en) * | 2020-03-30 | 2020-06-19 | 安徽航瑞航空动力装备有限公司 | Rocker arm shaft seat assembly and diesel engine with same |
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Application publication date: 20220715 |