CN203362249U - Engine valve rocker arm assembly - Google Patents
Engine valve rocker arm assembly Download PDFInfo
- Publication number
- CN203362249U CN203362249U CN 201320436183 CN201320436183U CN203362249U CN 203362249 U CN203362249 U CN 203362249U CN 201320436183 CN201320436183 CN 201320436183 CN 201320436183 U CN201320436183 U CN 201320436183U CN 203362249 U CN203362249 U CN 203362249U
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- CN
- China
- Prior art keywords
- rocker arm
- arm assembly
- engine valve
- rocking arm
- lining
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses an engine valve rocker arm assembly. The engine valve rocker arm assembly comprises a rocker arm, and is characterized in that an axle hole is formed in the rocker arm, an oil channel is arranged in the two ends of the axle hole, a lining is arranged inside the axle hole, the front end of the rocker arm is provided with a valve adjusting screw and an adjusting nut, and the back end of the rocker arm is provided with an open groove internally provided with a rolling shaft and an idler wheel, wherein the rolling shaft is matched with the idler wheel. A cam shaft directly drives the rocker arm assembly, and the noise and the failure rate are reduced. The rocker arm assembly is simple in structure, and easy to machine, manufacture and assemble. The assembled design is adopted, the occupied space is small, the design arrangement of the top cam shaft is facilitated, and the transmission efficiency of the cam shaft is improved. The design is reasonable, and the engine valve rocker arm assembly can bear the endurance bending strength which frequently changes. By means of the optimized lubricating oil channel, the flexible rotation of the rocker arm can be guaranteed, and the abrasion of a moving pair can be avoided.
Description
Technical field
The utility model relates to the engine valve field, specifically, relates to a kind of engine valve rocker arm assembly.
Background technique
Along with the development of the speed up of diesel engine, the indices of diesel engine is required also more and more higher, require the diesel oil function in the situation that run up still more and more steadily, reliable, to the Design of Valve of diesel oil, just require higher.
Overhead camshaft engine can be simplified distribution device, reduces driving component, alleviates engine quality, has improved transmission efficiency, has lowered noise, has reduced energy loss.Camshaft can be directly by driving rocking arm realize the opening and closing of valve, rocking arm will bear the impact of alternate load continually, camshaft directly contacts with rocker-arm roller, rolling friction and sliding friction by roller realize transmission.Existing rocking arm noise is large, bending fatigue strength is lower, completes the driven off by shaft efficiency of cam lower.This is the deficiencies in the prior art part.
The model utility content
The technical problems to be solved in the utility model is to provide a kind of engine valve rocker arm assembly, and the utility model is reasonable in design, and assembling is simple, reliability is high, bending fatigue strength is higher, lower noise, the oil leab design of optimization, can precise and high efficiency complete the transmission of camshaft.
The utility model adopts following technological scheme to realize goal of the invention:
A kind of engine valve rocker arm assembly, comprise rocking arm, it is characterized in that: on described rocking arm, be provided with axis hole, described axis hole is provided with oil duct in two ends, be provided with lining in described axis hole, the front end of described rocking arm is provided with valve adjustments screw and adjusting nut, and the rear end of described rocking arm is provided with out a grade groove, and described opening in grade groove is provided with roller bearing and the roller matched.
Further restriction as to the technical program, be provided with mounting-positioning holes, oil groove and oilhole on described lining, described mounting-positioning holes and axis hole horizontal line are 9 ° of angles, and described oilhole and described oil duct communicate.
As the further restriction to the technical program, described mounting-positioning holes is arranged at the edge of described lining, and described oil groove is arranged at the bottom of described lining.
As the further restriction to the technical program, described roller bearing is the Cuprum alloy roller bearing, and described roller is the alloyed steel roller.
As the further restriction to the technical program, the lower end of described rocking arm is the rounding off end.
Compared with prior art, advantage of the present utility model and good effect are: camshaft of the present utility model directly drives Rocker arm assembly, reduces noise and rate of fault; The simple structure of Rocker arm assembly, easily manufacturing, easily assembling; Total accepted way of doing sth design, take up room little, is conducive to the design arrangement of overhead camshaft, improved the camshaft transmission efficiency; Reasonable in design, can bear the bending fatigue strength of frequent alternation; The oil leab of optimizing, can guarantee the flexible rotating of rocking arm, avoids the wearing and tearing of kinematic pair.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model preferred embodiment.
The structural representation that Fig. 2 is the utility model lining.
The angle of assembling schematic diagram that Fig. 3 is the utility model lining.
In figure, 1, rocking arm, 2, roller bearing, 3, roller, 4, lining, 5, adjusting nut, 6, the valve adjustments screw, 7, mounting-positioning holes, 8, oil groove, 9, oilhole, 10, the rounding off end, 11, axis hole, 12, oil duct.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is further described in detail.
Referring to Fig. 1, Fig. 2 and Fig. 3, be provided with axis hole 11 on described rocking arm 1, described axis hole is provided with oil duct 12 in 11 two ends, be provided with lining 4 in described axis hole 11, the front end of described rocking arm 2 is provided with valve adjustments screw 6 and adjusting nut 5, the rear end of described rocking arm 1 is provided with out a grade groove, and described opening in grade groove is provided with roller bearing 2 and the roller 3 matched.
Be provided with mounting-positioning holes 7, oil groove 8 and oilhole 9 on described lining 4, described mounting-positioning holes 7 is 9 ° of angles with axis hole 11 horizontal lines, and described oilhole 9 and described oil duct 12 communicate.
Described mounting-positioning holes 7 is arranged at the edge of described lining 4, and described oil groove 8 is arranged at the bottom of described lining 4.
Described valve adjustments screw 6 and adjusting nut 5 are arranged on the front end of rocking arm 1, and valve adjustments screw 6 is " resembling leg " formula adjusting screw, can guarantee that rocking arm 1 acts on power on air valve bridge and concentrates, and point of contact is stable and concentrate; There is oil duct valve adjustments screw 6 inside, can make the ball seat of lower end rotate freely not clamping stagnation.Adjusting nut 5 will be locked valve adjustments screw 6, prevent that it is loosening.
The lower end of described rocking arm 1 is rounding off end 10.Rounding off end 10 higher bending fatigue strength while guaranteeing rocking-arm driving.
Described lining 4 is arranged on the axis hole of rocking arm, mounting-positioning holes 7 and the center hole horizontal line at lining 4 edges are 9 °, can guarantee that the oilhole 9 on lining 4 communicates with oil duct 12 on rocking arm 1, guarantee the smooth and easy of fuel feeding, lining has oil groove on 4 bottom surfaces, can store lubricant oil, guarantee the foundation of the oil film of rocking arm 1 rotation.
Described roller bearing 2 and roller 3 are arranged on the rear end of rocking arm and open in grade groove, roller bearing 2 and roller 3 Spielpassung, and roller bearing 2 is made by Cu alloy material, roller 3 is alloyed steels, by the active force of 7kN, roller bearing 2 and roller 3 are pressed in the rocking arm mounting hole, guaranteed the transmission of camshaft.
The oil leab of described valve rocker arm assembly, lubricant oil enters the lubricated valve adjustments screw 6 of oil duct of rocking arm front end, the direct lubricating roller 3 of the oil duct of rocking arm 1 rear end and roller bearing 2, rocker arm bush oil groove 8 provides oil film for the rotation of rocking arm and pitman arm shaft.
The utility model can pass through or adopt existing techniques in realizing without the technical characteristics of describing; do not repeat them here; certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example; the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (5)
1. an engine valve rocker arm assembly, comprise rocking arm, it is characterized in that: on described rocking arm, be provided with axis hole, described axis hole is provided with oil duct in two ends, be provided with lining in described axis hole, the front end of described rocking arm is provided with valve adjustments screw and adjusting nut, and the rear end of described rocking arm is provided with out a grade groove, and described opening in grade groove is provided with roller bearing and the roller matched.
2. engine valve rocker arm assembly according to claim 1, it is characterized in that: be provided with mounting-positioning holes, oil groove and oilhole on described lining, described mounting-positioning holes and axis hole horizontal line are 9 ° of angles, and described oilhole and described oil duct communicate.
3. engine valve rocker arm assembly according to claim 2, it is characterized in that: described mounting-positioning holes is arranged at the edge of described lining, and described oil groove is arranged at the bottom of described lining.
4. engine valve rocker arm assembly according to claim 1, it is characterized in that: described roller bearing is the Cuprum alloy roller bearing, described roller is the alloyed steel roller.
5. according to the described engine valve rocker arm assembly of one of claim 1-4, it is characterized in that: the lower end of described rocking arm is the rounding off end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320436183 CN203362249U (en) | 2013-07-22 | 2013-07-22 | Engine valve rocker arm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320436183 CN203362249U (en) | 2013-07-22 | 2013-07-22 | Engine valve rocker arm assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362249U true CN203362249U (en) | 2013-12-25 |
Family
ID=49810034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320436183 Expired - Lifetime CN203362249U (en) | 2013-07-22 | 2013-07-22 | Engine valve rocker arm assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203362249U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806316A (en) * | 2015-04-26 | 2015-07-29 | 姬爱书 | Wear-resistant valve rocker arm |
| CN105332753A (en) * | 2015-10-26 | 2016-02-17 | 无锡市永亿精密铸造有限公司 | Reinforced ventilated type air valve rocker arm |
| CN105332754A (en) * | 2015-10-26 | 2016-02-17 | 无锡市永亿精密铸造有限公司 | Valve rocker with internal oil-filtering and sound-insulating washer |
| CN105351031A (en) * | 2015-11-04 | 2016-02-24 | 中国北方发动机研究所(天津) | Lubricating structure for cam-wheel friction pair |
| CN107304690A (en) * | 2016-04-25 | 2017-10-31 | 舍弗勒技术股份两合公司 | The rocking bar or drag lever of internal combustion engine |
| CN107313822A (en) * | 2017-06-29 | 2017-11-03 | 绵阳富临精工机械股份有限公司 | A kind of rocking arm with oil storage tank |
| CN108150239A (en) * | 2016-12-02 | 2018-06-12 | Gt技术公司 | For the finger follower assembly of the valve actuating mechanism of internal combustion engine |
| CN111102028A (en) * | 2019-12-20 | 2020-05-05 | 潍柴动力股份有限公司 | Rocker arm assembly, valve distribution structure and engine |
| CN112475799A (en) * | 2020-11-16 | 2021-03-12 | 艾肯（江苏）工业技术有限公司 | Method for processing cross arm of valve of internal combustion engine |
-
2013
- 2013-07-22 CN CN 201320436183 patent/CN203362249U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806316A (en) * | 2015-04-26 | 2015-07-29 | 姬爱书 | Wear-resistant valve rocker arm |
| CN105332753A (en) * | 2015-10-26 | 2016-02-17 | 无锡市永亿精密铸造有限公司 | Reinforced ventilated type air valve rocker arm |
| CN105332754A (en) * | 2015-10-26 | 2016-02-17 | 无锡市永亿精密铸造有限公司 | Valve rocker with internal oil-filtering and sound-insulating washer |
| CN105332753B (en) * | 2015-10-26 | 2018-04-10 | 无锡市永亿精密铸造有限公司 | Reinforce vapor-permeable type valve rocker |
| CN105351031A (en) * | 2015-11-04 | 2016-02-24 | 中国北方发动机研究所(天津) | Lubricating structure for cam-wheel friction pair |
| CN107304690A (en) * | 2016-04-25 | 2017-10-31 | 舍弗勒技术股份两合公司 | The rocking bar or drag lever of internal combustion engine |
| CN108150239A (en) * | 2016-12-02 | 2018-06-12 | Gt技术公司 | For the finger follower assembly of the valve actuating mechanism of internal combustion engine |
| CN107313822A (en) * | 2017-06-29 | 2017-11-03 | 绵阳富临精工机械股份有限公司 | A kind of rocking arm with oil storage tank |
| CN107313822B (en) * | 2017-06-29 | 2023-06-13 | 绵阳富临精工机械股份有限公司 | Rocker arm with oil storage tank |
| CN111102028A (en) * | 2019-12-20 | 2020-05-05 | 潍柴动力股份有限公司 | Rocker arm assembly, valve distribution structure and engine |
| CN112475799A (en) * | 2020-11-16 | 2021-03-12 | 艾肯（江苏）工业技术有限公司 | Method for processing cross arm of valve of internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |