CN205578057U - Valve rocker device with lubricated bearing function - Google Patents
Valve rocker device with lubricated bearing function Download PDFInfo
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- CN205578057U CN205578057U CN201620408383.0U CN201620408383U CN205578057U CN 205578057 U CN205578057 U CN 205578057U CN 201620408383 U CN201620408383 U CN 201620408383U CN 205578057 U CN205578057 U CN 205578057U
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- rocking arm
- oil duct
- bearing
- arm body
- oil
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Abstract
The utility model discloses a valve rocker device with lubricated bearing function, including the rocking arm body, be provided with a circular through -hole on it for hold the gyro wheel mechanism among the bearing, still include: one runs through in the axial circular through -hole to through the first oil duct of rocking arm body with external intercommunication, wherein, the one end of first oil duct links to fuel feeding mechanism, and then to the rocking arm body makes it lubricated with bearing's contact site and the inside fuel feeding of bearing. The utility model provides a valve rocker device with lubricated bearing function, it lubricates bearing through lieing in this internal first oil duct of rocking arm to reducing its friction loss, improving its life, first oil duct of while can also spray lubricating oil and lubricate, cool off a bearing gentleness door contacting area, with reduction rocking arm and spiracular friction loss, and the life of improvement rocking arm.
Description
Technical field
This utility model relates to a kind of rocking arm used under processing automobile zero point parts scenarios.More specifically, this utility model relates to a kind of valve rocker apparatus with lubrication quill bearing function being used under processing automobile zero point parts scenarios.
Background technology
Along with developing rapidly of auto industry, people propose the highest requirement to dynamic property, the economy of automobile engine, promote automobile engine to strengthening, at a high speed, low oil consumption, low emission direction develop, thus also parts product proposed requirements at the higher level.Valve rocker, as one of automobile engine vital part, improves its wearability, reduces the target that coefficient of friction, lightweight, high life etc. are valve rocker design and manufacture pursuit.
The valve rocker that home and abroad produces at present there is band bearing rocking arm and without two kinds of bearing rocking arm.Wherein most widely used with bearing rocking arm, in this, rocking arm is made up of two parts, and main body is rocker body, and another part is needle bearing；Needle bearing is made up of three parts, respectively roller, bearing pin and needle roller, and needle roller and the roller of bearing are supported by bearing pin, and the bearing pin of bearing and cylinder cap use screw to link together, and is that the typical case of this rocking arm constitutes structure.
Bearing outer ring uses interference fit to be pressed in rocker body, during work, cam rotates under dynamic action, and then promote push rod to move up and down, and impart power to rocking arm, and then rocking arm is swung with bearing pin for pivot point, promote valve motion to complete the opening and closing of valve, but the rocker bearing in this structure is embedded in rocker body, therefore more difficult lubrication or lubrication are little in work, easily cause bearing pin and needle roller dry friction phenomenon, often occur that bearing pin or needle roller inordinate wear situation occur, also easily cause the inordinate wear of rocking arm and valve with rocking arm contact site owing to lacking cooling and lubricating when valve works simultaneously, this is also the dominant failure factor causing rocking arm life-span deficiency.
Utility model content
A purpose of the present utility model is to solve at least the above and/or defect, and provides the advantage that at least will be described later.
This utility model is it is also an object that provide a kind of valve rocker apparatus with lubrication quill bearing function, needle bearing is lubricated by it by being positioned at intrinsic first oil duct of rocking arm, to reduce its friction loss, to improve its service life, first oil duct can also spray lubricating oil door gentle to bearing contact site and is lubricated, cools down simultaneously, to reduce the frictional dissipation of rocking arm and valve, improve the service life of rocking arm.
In order to realize according to these purposes of the present utility model and further advantage, it is provided that a kind of valve rocker apparatus with lubrication quill bearing function, including rocking arm body, it be provided with a manhole, in order to accommodate the idler wheel mechanism in needle bearing, also includes:
One runs through described manhole, and the first oil duct being in communication with the outside by rocking arm body in the axial direction；
Wherein, one end of described first oil duct is connected to oil supply mechanism, and then is allowed to lubricate to contact site and the needle bearing oil inside offering of described rocking arm body with needle bearing.
Preferably, wherein, described manhole medial wall being provided with the cannelure of a receiving lubricating oil, described oil duct is after needle bearing is arranged on rocking arm body, by described cannelure and then connection.
Preferably, wherein, the side of described rocking arm body has a hemispherical groove, and described rocking arm body by groove and then contacts with push-rod assembly, and the opposite side of described rocking arm body is provided with one in order to the curved portions with valve stem component touch；
Wherein, the medial wall of described groove by a groove and then connects with the first oil duct.
Preferably, wherein, the other end that described oil duct is in communication with the outside is arranged to oil-out, and described oil-out position is configured to the contact site towards valve stem assembly Yu curved portions.
Preferably, wherein, described push-rod assembly includes push rod, and matches to transmit the cam mechanism of corresponding power to described push rod；
Wherein, having one second oil duct inside described push rod, described second oil duct by groove and then connects with the first oil duct.
This utility model at least includes following beneficial effect: one, this utility model is by being arranged on intrinsic first oil duct of rocking arm, and then achieves the lubrication to needle bearing, and the lubrication of the two joint portion, reduce the moment of friction of rocking arm, improve the service life of rocker bearing.
They are two years old, first oil duct of the present utility model is connected by the end of a groove and then push rod, during doing motion repeatedly at push rod, apply certain pressure to the lubricating oil being positioned at the first oil duct, so that it is in the joint portion being applied to valve and rocking arm of sprinkling shape, to cool down it and to lubricate.
Its three, be provided with the second oil duct in push rod of the present utility model, to connect by groove and then with the first oil duct, and then the lubricating oil that can do the first oil duct supplements, it is also possible to reduces the coefficient of friction between push rod and rocking arm, strengthens its service life.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will be by being understood by the person skilled in the art research of the present utility model and practice.
Accompanying drawing explanation
Fig. 1 be an embodiment of the present utility model has lubrication quill bearing function valve rocker apparatus assembling after work in structural representation；
Fig. 2 is to have the valve rocker apparatus of lubrication quill bearing function and the assembling structural representation of bearing in an embodiment of the present utility model；
Fig. 3 is the structural representation of the valve rocker apparatus in another embodiment of the present utility model with lubrication quill bearing function.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", other element one or more or the existence of a combination thereof or interpolation do not allotted in " comprising " and " including " term.
Fig. 1-2 shows the way of realization according to a kind of valve rocker apparatus with lubrication quill bearing function of the present utility model, including rocking arm body 1, is provided with a manhole 2, to accommodate the idler wheel mechanism of needle bearing 13, also includes:
One runs through described manhole, and the first oil duct 3 being in communication with the outside by rocking arm body in the axial direction；
Wherein, one end of described first oil duct is connected to oil supply mechanism (not shown), and then is allowed to lubricate to contact site and the needle bearing oil inside offering of described rocking arm body with needle bearing.Use this scheme by being arranged on the first oil duct of rocking arm body interior to needle bearing inside and the contact site fuel feeding of the two thereof, and then achieve the lubrication to needle bearing, and the lubrication of the two joint portion, reduce the moment of friction of rocking arm, improve the service life of rocker bearing, have can implementation result good, stability is strong, service life guaranteed benefit.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
As it is shown on figure 3, in another kind of example, described manhole medial wall is provided with the cannelure 4 of a receiving lubricating oil, described oil duct is after needle bearing is arranged on rocking arm body, by described cannelure and then connection.Although using this scheme needle bearing is interference fit with the manhole of rocking arm body, but the lubricating oil in the first oil duct just can be cooled to surface and the Bearing inner of needle bearing by the design due to cannelure, to reduce operating temperature, the service life of raising bearing, have can implementation result good, the benefit of properties of product good stability.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
As Figure 1-3, in another kind of example, the side of described rocking arm body has a hemispherical groove 5, and described rocking arm body by groove and then contacts with push-rod assembly 6, and the opposite side of described rocking arm body is provided with one in order to the curved portions 8 contacted with valve stem assembly 7；
Wherein, the medial wall of described groove by a groove 9 and then connects with the first oil duct.This scheme is used to make push-rod assembly can apply the lubricating oil in certain oil pressure does not has to first by groove, so that lubricating oil can be sprayed onto the contact site of rocking arm and valve, so end of valve stem just can obtain sufficiently lubrication, will not lose efficacy because of dry friction, the most therefore the life-span of valve and valve rocker improves, have can implementation result good, the benefit of good stability.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
As it is shown on figure 3, in another kind of example, the other end that described oil duct is in communication with the outside is arranged to oil-out 10, and described oil-out position is configured to the contact site towards valve stem assembly Yu curved portions.This scheme is used to make push rod under force, lubricating oil in the first oil duct applies a pressure, spraying out under the effect of the pressure, act on the junction of valve stem assembly and rocking arm body, it is cooled down and lubricates, have can implementation result good, properties of product are stable, strengthen the benefit in valve stem assembly service life.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
As it is shown in figure 1, in another kind of example, described push-rod assembly includes push rod 11, and matches to transmit the cam mechanism 12 of corresponding power to described push rod；
Wherein, having one second oil duct (not shown) inside described push rod, described second oil duct by groove and then connects with the first oil duct.Use this scheme with by the second oil duct make-up oil in the first oil duct, make it under force simultaneously, lubricating oil is sprayed at the joint portion of valve stem assembly and rocking arm body, to play cooling and the effect of lubrication, have can implementation result good, the guaranteed benefit of properties of product stability.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
Embodiment:
As shown in Figure 1, engine valve actuating mechanism is made up of cam 12, push rod 11, valve stem assembly 7, valve rocker body 1, needle bearing 13 is in the middle part of valve rocker body, and the bearing pin of needle bearing is connected (not shown) and supports valve rocker body with cylinder cap；Valve stem assembly and the end thereof contacts of valve rocker body, push rod contacts with the other end ball hole 5 of valve rocker body, and cam is positioned at the lower end of valve rocker body, and contacts with push rod.Valve stem assembly upwardly extends from cylinder cap (not shown), with valve rocker body contacts.The rotary motion of cam promotes push rod to move up and down, and valve rocker body swings around needle bearing under the effect of push rod and the motion of cam is passed to valve stem assembly, and being allowed to moves along a straight line up and down realizes the opening and closing of valve.
There is shown in Fig. 2 the valve rocker apparatus of novel self-lubricating ability, in this structure, rocking arm body is to be that interference fit is connected with needle bearing, during work, the load of cam drives rocking arm to swing around needle bearing by push rod, owing to the bearing pin of bearing needle 6 is that screw is connected with cylinder cap, therefore bearing pin is fixed.
As shown in Figure 1, valve rocker apparatus of the present utility model is at work, internal to needle bearing by the first oil duct and rocking arm body and needle bearing contact site provides lubricating oil, simultaneously to the contact position sprinkling lubricating oil of valve assembly with rocking arm body under the effect of push rod, to cool down valve stem, and simultaneously work as lubrication, to make it have more preferable properties of product and stability.
Number of devices described herein and treatment scale are used to simplify explanation of the present utility model.To of the present utility model a kind of having the application of valve rocker apparatus of lubrication quill bearing function, modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, it is easily achieved other amendment.Therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (5)
1. there is a valve rocker apparatus for lubrication quill bearing function, including rocking arm body, it sets
It is equipped with a manhole, in order to accommodate the idler wheel mechanism in needle bearing, it is characterised in that also include:
One runs through described manhole, and the first oil duct being in communication with the outside by rocking arm body in the axial direction；
Wherein, one end of described first oil duct is connected to oil supply mechanism, and then to described rocking arm body and needle roller
Contact site and the needle bearing oil inside offering of bearing are allowed to lubricate.
There is the valve rocker apparatus of lubrication quill bearing function the most as claimed in claim 1, its feature
Being, described manhole medial wall is provided with the cannelure of a receiving lubricating oil, described oil duct is in rolling
After needle bearing is arranged on rocking arm body, by described cannelure and then connection.
There is the valve rocker apparatus of lubrication quill bearing function the most as claimed in claim 1, its feature
Being, the side of described rocking arm body has a hemispherical groove, and described rocking arm body is entered by groove
And contact with push-rod assembly, the opposite side of described rocking arm body be provided with one in order to valve stem component touch
Curved portions；
Wherein, the medial wall of described groove by a groove and then connects with the first oil duct.
There is the valve rocker apparatus of lubrication quill bearing function the most as claimed in claim 3, its feature
Being, the other end that described oil duct is in communication with the outside is arranged to oil-out, and described oil-out position is joined
It is set to the contact site towards valve stem assembly Yu curved portions.
There is the valve rocker apparatus of lubrication quill bearing function the most as claimed in claim 3, its feature
Being, described push-rod assembly includes push rod, and matches to transmit the convex of corresponding power to described push rod
Wheel mechanism；
Wherein, having one second oil duct inside described push rod, described second oil duct is by groove and then with the
One oil duct connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408383.0U CN205578057U (en) | 2016-05-06 | 2016-05-06 | Valve rocker device with lubricated bearing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408383.0U CN205578057U (en) | 2016-05-06 | 2016-05-06 | Valve rocker device with lubricated bearing function |
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| CN205578057U true CN205578057U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620408383.0U Active CN205578057U (en) | 2016-05-06 | 2016-05-06 | Valve rocker device with lubricated bearing function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842402A (en) * | 2017-10-27 | 2018-03-27 | 浙江龙虎锻造有限公司 | A kind of laborsaving rocking arm |
| CN113323740A (en) * | 2021-03-31 | 2021-08-31 | 杰锋汽车动力系统股份有限公司 | Variable valve timing electric phase modulation transmission device lubricating mechanism |
| CN117211942A (en) * | 2023-11-09 | 2023-12-12 | 常州市常和机械有限公司 | Automatic circulating water cooling structure of rocker arm |
-
2016
- 2016-05-06 CN CN201620408383.0U patent/CN205578057U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842402A (en) * | 2017-10-27 | 2018-03-27 | 浙江龙虎锻造有限公司 | A kind of laborsaving rocking arm |
| CN113323740A (en) * | 2021-03-31 | 2021-08-31 | 杰锋汽车动力系统股份有限公司 | Variable valve timing electric phase modulation transmission device lubricating mechanism |
| CN117211942A (en) * | 2023-11-09 | 2023-12-12 | 常州市常和机械有限公司 | Automatic circulating water cooling structure of rocker arm |
| CN117211942B (en) * | 2023-11-09 | 2024-01-02 | 常州市常和机械有限公司 | Automatic circulating water cooling structure of rocker arm |
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