CN212027898U - Light valve rocker - Google Patents
Light valve rocker Download PDFInfo
- Publication number
- CN212027898U CN212027898U CN202020601796.7U CN202020601796U CN212027898U CN 212027898 U CN212027898 U CN 212027898U CN 202020601796 U CN202020601796 U CN 202020601796U CN 212027898 U CN212027898 U CN 212027898U
- Authority
- CN
- China
- Prior art keywords
- hole
- rocker arm
- rocker
- light
- valve
- 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)
Abstract
The utility model discloses a light-duty valve rocker relates to engine valve rocker technical field. The light valve rocker comprises a body, a first rocker and a second rocker, wherein the body is provided with a rocker hole extending along a first direction, and the rocker hole is used for being connected with a rocker shaft; the first rocker arm and the second rocker arm are respectively arranged on two sides of the rocker arm hole in the radial direction, one end, far away from the rocker arm hole, of the first rocker arm is provided with a first connecting hole extending in the vertical direction, and the first connecting hole is used for being matched with a tappet of a cam; one end of the second rocker arm, which is far away from the rocker arm hole, is provided with a second connecting hole which extends along the vertical direction, and the second connecting hole is used for being matched with the valve; the first rocker arm is provided with a first through hole and a second through hole which extend along a first direction, and a first connecting rib is formed between the first through hole and the second through hole. Set up first through-hole and second through-hole on first rocking arm, reach the lightweight design to this light-duty valve rocking arm, improve flexibility and work efficiency and reduce the energy consumption.
Description
Technical Field
The utility model relates to an engine valve rocker technical field especially relates to a light-duty valve rocker.
Background
With the rapid development of the ship industry, people have higher requirements on the dynamic property, the economical efficiency and the emission of the ship engine, and the technology of the internal combustion engine is promoted to develop towards the directions of light weight, high strengthening, energy conservation and emission reduction. The valve rocker is one of important parts of a valve train, and the optimized design of the structure of the valve rocker has great significance for the development of an internal combustion engine. The existing valve rocker is configured between a valve rod and a cam, one end of the rocker is abutted to the end part of the valve rod, and a roller in the middle of the rocker rolls relative to the cam. The rotary motion of the cam can be converted into the longitudinal motion of the valve rod through the valve rocker, and the requirement of opening and closing the valve is met. The valve rocker in the prior art influences the action flexibility of the valve rocker due to heavier weight of the valve rocker, consumes more energy and reduces the working efficiency of the valve rocker at the same time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light-duty valve rocker, it subtracts heavy design to the valve rocker, has realized the lightweight.
To achieve the purpose, the utility model adopts the following technical proposal:
a lightweight valve rocker arm comprising:
the rocker arm device comprises a body, a rocker arm shaft and a rocker arm, wherein the body is provided with a rocker arm hole extending along a first direction, and the rocker arm hole is used for being connected with the rocker arm shaft;
the first rocker arm and the second rocker arm are respectively arranged on two sides of the rocker arm hole in the radial direction, one end, far away from the rocker arm hole, of the first rocker arm is provided with a first connecting hole extending in the vertical direction, and the first connecting hole is used for being matched with a tappet of a cam; one end of the second rocker arm, which is far away from the rocker arm hole, is provided with a second connecting hole which extends along the vertical direction, and the second connecting hole is used for being matched with a valve; the first rocker arm is provided with a first through hole and a second through hole which extend along the first direction, and a first connecting rib is formed between the first through hole and the second through hole.
Optionally, a first support hole is formed in the first connecting rib, a first oil pipe penetrates through the first support hole, and two ends of the first oil pipe are communicated with the rocker arm hole and the first connecting hole respectively.
Optionally, a first process hole is disposed on a side wall of the first connection hole, the first process hole is located on an extension line of the first support hole, and a first plug is disposed in the first process hole.
Optionally, a third through hole and a fourth through hole extending in the first direction are formed in the second rocker arm, and a second connecting rib is formed between the third through hole and the fourth through hole.
Optionally, a second support hole is formed in the second connecting rib, a second oil pipe penetrates through the second support hole, and two ends of the second oil pipe are respectively communicated with the rocker arm hole and the second connecting hole.
Optionally, a second fabrication hole is formed in a side wall of the second connection hole, the second fabrication hole is located on an extension line of the second support hole, and a second plug is arranged in the second fabrication hole.
Optionally, the number of the second rocker arms is two, and the two second rocker arms are arranged in a V shape.
The utility model has the advantages that: the utility model provides a light-duty valve rocker is provided with first through-hole and second through-hole on first rocking arm and forms first splice bar between first through-hole and second through-hole, guarantees to reduce the weight of this light-duty valve rocker as far as possible when satisfying rigidity, intensity and the performance of this light-duty valve rocker, reaches lightweight design, has improved the flexibility of this light-duty valve rocker and can reduce the energy consumption, improves the work efficiency of engine.
Drawings
Fig. 1 is a schematic structural diagram of a first view angle of a light valve rocker arm provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of a second view angle of a light valve rocker arm provided by the embodiment of the invention.
In the figure:
1-body; 11-rocker arm hole;
2-a first rocker arm; 21-a first connection hole; 211 — a first fabrication aperture; 22-a first via; 23-a second via; 24-a first connecting rib; 25-a first tubing;
3-a second rocker arm; 31-a second connection hole; 311-a second fabrication hole; 32-a third via; 33-a fourth via; 34-a second connecting rib; 35-second tubing.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention will be further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and 2, the light-duty valve rocker arm comprises a body 1, a first rocker arm 2 and a second rocker arm 3, wherein the body 1 is provided with a rocker arm hole 11 extending in a first direction, and the rocker arm hole 11 is used for connecting with a rocker shaft; the first rocker arm 2 and the second rocker arm 3 are respectively arranged on two sides of the rocker arm hole 11 in the radial direction, one end, far away from the rocker arm hole 11, of the first rocker arm 2 is provided with a first connecting hole 21 extending in the vertical direction, and the first connecting hole 21 is used for being matched with a tappet of a cam; one end of the second rocker arm 3, which is far away from the rocker arm hole 11, is provided with a second connecting hole 31 which extends along the vertical direction, and the second connecting hole 31 is used for being matched with a valve; the first rocker arm 2 is provided with a first through hole 22 and a second through hole 23 extending in the first direction, and a first connecting rib 24 is formed between the first through hole 22 and the second through hole 23. It can be understood that the first through hole 22 and the second through hole 23 are formed in the first rocker arm 2, and the first connecting rib 24 is formed between the first through hole 22 and the second through hole 23, so that the light valve rocker arm is ensured to meet the rigidity, strength and service performance of the light valve rocker arm, the weight of the light valve rocker arm is reduced as much as possible, a light design is achieved, the flexibility of the light valve rocker arm is improved, the energy consumption can be reduced, and the working efficiency of an engine is improved.
In this embodiment, the shapes and sizes of the first through hole 22 and the second through hole 23 are obtained through a finite element topology optimization mode, so that the working stress distribution of the first rocker arm 2 can be effectively optimized, the peak stress is reduced, the fatigue life of the first rocker arm 2 is prolonged, and the weight of the first rocker arm 2 is maximally reduced while the structural strength requirement of the first rocker arm 2 is met. In other embodiments, the shape and size of the first through-hole 22 and the second through-hole 23 may be changed according to the use environment and the requirement.
Alternatively, as shown in fig. 1 and 2, a first support hole is formed in the first connecting rib 24, a first oil pipe 25 penetrates through the first support hole, and two ends of the first oil pipe 25 are respectively communicated with the rocker arm hole 11 and the first connecting hole 21. It will be appreciated that by passing lubricating oil through the first oil pipe 25, lubricating oil can be passed through the first connecting bore 21 and the rocker arm hole 11 to lubricate the connecting parts in the first connecting bore 21 and the rocker arm hole 11. In this embodiment, the first oil pipe 25 is disposed in the first supporting hole, so that the stability of the first oil pipe 25 can be ensured, and the first oil pipe 25 can be detached for facilitating the installation and maintenance of the first oil pipe 25. In other embodiments, first oil pipe 25 may be fixedly connected to the first support hole.
In order to ensure the convenience of processing, as shown in fig. 2, a first process hole 211 is formed in a side wall of the first connection hole 21, the first process hole 211 is located on an extension line of the first support hole, and a first plug is disposed in the first process hole 211. It can be understood that, when the first supporting hole is processed, the drill can be used to drill the first connecting hole 21 from the end of the first swing arm 2, so that the first technical hole 211 is formed while the first supporting hole is processed, but in order to prevent the lubricating oil from flowing out from the position of the first technical hole 211 to cause waste, the first blocking is provided in the first technical hole 211.
Alternatively, as shown in fig. 1 and 2, the second rocker arm 3 is provided with a third through hole 32 and a fourth through hole 33 extending in the first direction, and a second connecting rib 34 is formed between the third through hole 32 and the fourth through hole 33. It can be understood that the third through hole 32 and the fourth through hole 33 are arranged on the second rocker arm 3, and the second connecting rib 34 is formed between the third through hole 32 and the fourth through hole 33, so that the weight of the second rocker arm 3 is reduced as much as possible while the rigidity, the strength and the service performance of the second rocker arm 3 are met, and the lightweight valve rocker arm is designed as much as possible in a manner of maximally lightening the lightweight valve rocker arm by combining the first through hole 22 and the second through hole 23 on the first rocker arm 2.
In this embodiment, the shapes and sizes of the third through hole 32 and the fourth through hole 33 are also obtained by a finite element topology optimization manner, so that the working stress distribution of the second rocker arm 3 can be effectively optimized, the peak stress is reduced, the fatigue life of the second rocker arm 3 is prolonged, and the weight of the second rocker arm 3 is maximally reduced while the structural strength requirement of the second rocker arm 3 is met; and simultaneously, the fatigue life of the whole light valve rocker arm is prolonged by combining the optimized design of the first through hole 22 and the second through hole 23 on the first rocker arm 2. In other embodiments, the shape and size of the third through hole 32 and the fourth through hole 33 may be changed according to different use environments and requirements.
Optionally, a second support hole is formed in the second connecting rib 34, a second oil pipe 35 penetrates through the second support hole, and two ends of the second oil pipe 35 are respectively communicated with the rocker arm hole 11 and the second connecting hole 31. It is understood that, by introducing the lubricating oil into the second oil pipe 35, the lubricating oil can flow through the second connecting hole 31 and the rocker arm hole 11 to lubricate the connecting parts in the second connecting hole 31 and the rocker arm hole 11. In this embodiment, the second oil pipe 35 is disposed in the second supporting hole, so that the stability of the second oil pipe 35 can be ensured, and the second oil pipe 35 can be detached for facilitating the installation and maintenance of the second oil pipe 35. In other embodiments, the second oil pipe 35 may be fixedly connected to the second support hole.
Optionally, as shown in fig. 1, a second via hole 311 is disposed on a sidewall of the second connection hole 31, the second via hole 311 is located on an extension line of the second support hole, and a second plug is disposed in the second via hole 311. It is understood that, when the second support hole is machined, a hole may be drilled from the end of the second rocker arm 3 where the second connection hole 31 is provided by a drill, so that the second process hole 311 is formed while the second support hole is machined, but in order to prevent the lubricating oil from flowing out from the position of the second process hole 311 to cause waste, a second stopper is provided in the second process hole 311.
In this embodiment, two second rocker arms 3 are provided, and the two second rocker arms 3 are arranged in a V shape. It can be understood that the two second rocker arms 3 are matched with the valves at the same time to control the opening of the valves, and the structure is stable, and meanwhile, the working efficiency can be improved. In other embodiments, only one second rocker arm 3 may be provided.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A lightweight valve rocker arm, comprising:
the rocker arm structure comprises a body (1), wherein the body (1) is provided with a rocker arm hole (11) extending along a first direction, and the rocker arm hole (11) is used for being connected with a rocker arm shaft;
the cam lifter comprises a first rocker arm (2) and a second rocker arm (3), wherein the first rocker arm (2) and the second rocker arm (3) are respectively arranged on two sides of a rocker arm hole (11) along the radial direction, one end, far away from the rocker arm hole (11), of the first rocker arm (2) is provided with a first connecting hole (21) extending along the vertical direction, and the first connecting hole (21) is used for being matched with a cam lifter; one end, far away from the rocker arm hole (11), of the second rocker arm (3) is provided with a second connecting hole (31) extending along the vertical direction, and the second connecting hole (31) is used for being matched with a valve; the first rocker arm (2) is provided with a first through hole (22) and a second through hole (23) which extend along the first direction, and a first connecting rib (24) is formed between the first through hole (22) and the second through hole (23).
2. The light-duty valve rocker arm according to claim 1, characterized in that the first connecting rib (24) is provided with a first supporting hole, a first oil pipe (25) penetrates through the first supporting hole, and two ends of the first oil pipe (25) are respectively communicated with the rocker arm hole (11) and the first connecting hole (21).
3. The light-duty valve rocker arm according to claim 2, characterized in that a first tooling hole (211) is provided in a side wall of the first connecting hole (21), the first tooling hole (211) being located on an extension line of the first support hole, and a first plug is provided in the first tooling hole (211).
4. The light-duty valve rocker arm according to claim 1, characterized in that the second rocker arm (3) is provided with a third through hole (32) and a fourth through hole (33) extending in the first direction, and a second connecting rib (34) is formed between the third through hole (32) and the fourth through hole (33).
5. The light-duty valve rocker arm according to claim 4, characterized in that a second support hole is provided on the second connecting rib (34), a second oil pipe (35) is inserted into the second support hole, and both ends of the second oil pipe (35) are respectively communicated with the rocker arm hole (11) and the second connecting hole (31).
6. The light-duty valve rocker arm according to claim 5, characterized in that a second fabrication hole (311) is provided on a side wall of the second connecting hole (31), the second fabrication hole (311) is located on an extension line of the second support hole, and a second plug is provided in the second fabrication hole (311).
7. The light-duty valve rocker arm according to claim 6, characterized in that the number of the second rocker arms (3) is two, and the two second rocker arms (3) are arranged in a V-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601796.7U CN212027898U (en) | 2020-04-21 | 2020-04-21 | Light valve rocker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601796.7U CN212027898U (en) | 2020-04-21 | 2020-04-21 | Light valve rocker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212027898U true CN212027898U (en) | 2020-11-27 |
Family
ID=73495333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020601796.7U Active CN212027898U (en) | 2020-04-21 | 2020-04-21 | Light valve rocker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212027898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117973153A (en) * | 2024-03-29 | 2024-05-03 | 三一重型装备有限公司 | Analysis method and device of crushing rocker arm system and electronic equipment |
-
2020
- 2020-04-21 CN CN202020601796.7U patent/CN212027898U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117973153A (en) * | 2024-03-29 | 2024-05-03 | 三一重型装备有限公司 | Analysis method and device of crushing rocker arm system and electronic equipment |
| CN117973153B (en) * | 2024-03-29 | 2024-05-31 | 三一重型装备有限公司 | Analysis method and device of crushing rocker arm system and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105041405A (en) | Lubricating oil conveying device of internal combustion engine with four cylinders surrounding shaft | |
| CN212027898U (en) | Light valve rocker | |
| CN203335154U (en) | Diesel inlet valve rocker arm assembly | |
| WO2010020157A1 (en) | Oil passages of an engine | |
| CN202883042U (en) | Automobile engine valve rocker lubricating structure | |
| CN205840934U (en) | A kind of camshaft of car engine and the attachment structure of timing gears | |
| CN215521001U (en) | Technical structure for lubricating gas distribution system of diesel engine cylinder block | |
| CN205677688U (en) | A kind of Combined rocking arm axle | |
| CN201025151Y (en) | Piston | |
| CN110883363B (en) | Tool for machining double oblique oil holes of cylinder body | |
| CN211398246U (en) | Three-cylinder three-support crankshaft for diaphragm pump | |
| CN105065115A (en) | Separated crankshaft of four-cylinder four-stroke internal combustion engine | |
| CN201049575Y (en) | One-way valve and damping hole connecting type oil-gas suspension system | |
| CN202381132U (en) | Valve tappet for engine | |
| CN202558994U (en) | Spindle sleeve | |
| CN2663678Y (en) | High power type oil spout pump assembly | |
| CN208021535U (en) | A kind of electric vehicle steering wheel structure | |
| CN209469704U (en) | A kind of cam drive axis | |
| CN217841762U (en) | Be used for aviation piston engine camshaft | |
| CN213392308U (en) | Engine valve rocker lubricating structure | |
| CN209163949U (en) | The gasoline engine cylinder cover of novel cup-shaped tappet lubrication | |
| CN110792684A (en) | Three-cylinder three-support crankshaft for diaphragm pump and machining process | |
| CN2685672Y (en) | Gate valve with adjustable combined spool | |
| CN204984517U (en) | Double-overhead combined camshaft for heavy diesel engine | |
| CN202325880U (en) | Engine cylinder head lubricating oil return structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |