CN209293870U - A kind of Rocker arm shaft structure - Google Patents
A kind of Rocker arm shaft structure Download PDFInfo
- Publication number
- CN209293870U CN209293870U CN201821449907.6U CN201821449907U CN209293870U CN 209293870 U CN209293870 U CN 209293870U CN 201821449907 U CN201821449907 U CN 201821449907U CN 209293870 U CN209293870 U CN 209293870U
- Authority
- CN
- China
- Prior art keywords
- oil
- axle journal
- inlet pipe
- protruding shaft
- rocker arm
- 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 - Fee Related
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- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses a kind of Rocker arm shaft structure, including axle journal, self-lubricating mechanism is provided on the axle journal；The self-lubricating mechanism includes protruding shaft platform, and the protruding shaft platform is the shaft part that diameter is greater than axle journal；Protruding shaft platform is overlapped with the axis of axle journal；Middle part is provided with oil storage cabin in the protruding shaft platform, oil inlet pipe is provided on the protruding shaft platform, the oil inlet pipe is vertically arranged with protruding shaft platform axis, oil inlet pipe is connected to oil storage cabin, the oil inlet pipe outer end is provided with sealing cover, oil filter hole, the oil filter hole and oil inlet pipe side wall cross connection are evenly arranged on the upside of the end face that the protruding shaft platform is connect with axle journal；Oil strain slot is provided on the axle journal, the oil strain slot is arranged on axle journal in the shape of a spiral, protruding shaft platform outer end is fixedly installed connecting plate, the utility model provides a kind of Rocker arm shaft structure, structure setting is ingenious and connection and reasonable arrangement, it realizes self-lubricating, is easy to use, improve rocker arm shaft working effect and improve rocker arm shaft service life.
Description
Technical field
The utility model relates to rocker arm equipment technical field, specially a kind of Rocker arm shaft structure.
Background technique
Rocker arm body is very widely used, if the rocker arm in automobile is actually a double-arm lever, for passing push rod
The power come changes direction, acts on valve rod end to push valve open.The ratio of the both sides brachium of rocker arm is known as Rocker Ratio, Rocker Ratio
About 1.2~1.8, wherein long-armed one end is for pushing valve.The working surface of rocker head is made generally in cylinder, when shaking
It can make overcoming and may act on along valve axis between the two in this way along valve stem end surface skid when arm swing.In rocker arm
Also it is drilled with oil leab and oilhole.In the galianconism end threaded hole of rocker arm, the adjusting screw to valve gap adjustment, spiral shell are screwed in
The head shoot of nail is in contact with the recessed ball seat on push rod top.
However the rocker arm shaft in conventional rocker mechanism, structure is stiff, has a single function, and is especially inconvenient to lubricate, lubrication effect
Fruit is poor；And then influence the working effect and service life of rocker arm body.
Utility model content
The purpose of this utility model is to provide a kind of Rocker arm shaft structures, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Rocker arm shaft structure, including axle journal are provided with self-lubricating mechanism on the axle journal.
The self-lubricating mechanism includes protruding shaft platform, and the protruding shaft platform is the shaft part that diameter is greater than axle journal；Protruding shaft platform and axle journal
Axis be overlapped；Middle part is provided with oil storage cabin in the protruding shaft platform, is provided with oil inlet pipe on the protruding shaft platform, the oil inlet pipe with
Protruding shaft platform axis is vertically arranged, and oil inlet pipe is connected to oil storage cabin, and the oil inlet pipe outer end is provided with sealing cover, the protruding shaft platform with
Oil filter hole, the oil filter hole and oil inlet pipe side wall cross connection are evenly arranged on the upside of the end face of axle journal connection；On the axle journal
It is provided with oil strain slot, the oil strain slot is arranged on axle journal in the shape of a spiral, and protruding shaft platform outer end is fixedly installed connecting plate.
Preferably, the connecting plate is symmetrical above and below is provided with fixed bolt hole.
Preferably, the oil inlet pipe apical lateral is provided with external screw thread, and the sealing cover is threadedly coupled with oil inlet pipe.
Preferably, ball is filled in the oil strain slot.
Preferably, the ball is embedded in oil strain slot and rolls in oil strain slot, and oil strain slot limits ball along axle journal
Displacement in the radial direction, therefore ball will not fall off out of oil strain slot.
Compared with prior art, the utility model has the beneficial effects that the utility model provides a kind of Rocker arm shaft structure, knot
Ingenious and connection and reasonable arrangement is arranged in structure, realizes self-lubricating, is easy to use, and improves rocker arm shaft working effect and improves rocker arm shaft using the longevity
Life；When work, for neck bush on the sliding bearing of rocker arm bracket, protruding shaft platform plays cooperation positioning action, convenient for assembly；With rocker arm shaft
The rocker arm of connection is mounted on connecting plate by fixing bolt, while adding lubrication in oil storage cabin into protruding shaft platform by oil inlet pipe
Oil, and be sealed by sealing cover；The axle journal other end is connect with driving mechanism, and axle journal, which is driven, drives the rotation of protruding shaft platform, into
And by connecting plate drive rocking motion, in protruding shaft platform rotation process, in oil storage cabin lubricating oil under the influence of centrifugal force into
Enter in oil inlet pipe, and oil strain, lubricating oil enter on axle journal on axle journal from the oil filter hole in protruding shaft end face, and by axle journal
Oil strain slot diffuse to rapidly on axle journal periphery, to axle journal carry out high-efficiency lubricating, and then realize it is right in axle journal rotation process
Axle journal carries out self-lubricating；Lubricant effect is further increased filled with ball in oil strain slot.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Rocker arm shaft structure；
Fig. 2 is a kind of front view of Rocker arm shaft structure convexity axis platform.
Fig. 3 is a kind of cross-sectional view of axle journal in Rocker arm shaft structure.
In figure: 1- axle journal, 2- oil strain slot, 3- ball, 4- axle journal periphery, 5- oil filter hole, 6- sealing cover, 7- oil inlet pipe,
8- oil storage tank, 9- connecting plate, 10- bolt fixing hole, 11- protruding shaft platform.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~3 are please referred to, the utility model provides a kind of technical solution: a kind of Rocker arm shaft structure, including axle journal 1, it is described
1 one end of axle journal is provided with protruding shaft platform 11, and the protruding shaft platform 11 is the shaft part that diameter is greater than axle journal 1；Protruding shaft platform 11 and axle journal 1
Axis is overlapped；Middle part is provided with oil storage cabin 8 in the protruding shaft platform 11, and oil inlet pipe 7, the oil inlet are provided on the protruding shaft platform 11
Pipe 7 is vertically arranged with 11 axis of protruding shaft platform, and oil inlet pipe 7 is connected to oil storage cabin 8, and 7 outer end of oil inlet pipe is provided with sealing cover 6,
Oil filter hole 5 is evenly arranged on the upside of the end face that the protruding shaft platform 11 is connect with axle journal 1, the oil filter hole 5 and 7 side wall of oil inlet pipe are horizontal
To connection；It is provided with oil strain slot 2 on the 1 outside axle journal periphery 4 of axle journal, the oil strain slot 2 is arranged in axle journal in the shape of a spiral
On 1,11 outer end of protruding shaft platform is fixedly installed connecting plate 9.
The connecting plate 9 is symmetrical above and below to be provided with fixed bolt hole 10.
7 apical lateral of oil inlet pipe is provided with external screw thread, and the sealing cover 6 is threadedly coupled with oil inlet pipe 7.
Ball 3 is filled in the oil strain slot 2.
The ball 3 is embedded in oil strain slot 2 and rolls in oil strain slot 2, and oil strain slot 2 limits ball 3 along axle journal diameter 1
Displacement on direction, therefore ball 3 will not fall off out of oil strain slot 2.
The working principle of the utility model is: on the sliding bearing of rocker arm bracket, protruding shaft platform plays matches neck bush when work
Positioning action is closed, it is convenient for assembly；It is mounted on connecting plate with the rocker arm of rocker arm axis connection by fixing bolt, while passing through oil inlet
Pipe adds lubricating oil into protruding shaft platform in oil storage cabin, and is sealed by sealing cover；The axle journal other end is connect with driving mechanism,
Axle journal, which is driven, drives the rotation of protruding shaft platform, and then drives rocking motion, in protruding shaft platform rotation process, oil storage cabin by connecting plate
Interior lubricating oil enters in oil inlet pipe under the influence of centrifugal force, and from the oil filter hole in protruding shaft end face on axle journal oil strain, profit
Lubricating oil enters on axle journal, and diffuses to rapidly on axle journal periphery by the oil strain slot on axle journal, forms oil film in journal surface；
High-efficiency lubricating is carried out to axle journal, and then realizes and self-lubricating is carried out to axle journal in axle journal rotation process；Filled with rolling in oil strain slot
Pearl further increases lubricant effect.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of Rocker arm shaft structure, including axle journal, it is characterised in that: be provided with self-lubricating mechanism on the axle journal；It is described to moisten certainly
Sliding mechanism includes protruding shaft platform, and the protruding shaft platform is the shaft part that diameter is greater than axle journal；Protruding shaft platform is overlapped with the axis of axle journal；It is described convex
Middle part is provided with oil storage cabin in axis platform, oil inlet pipe is provided on the protruding shaft platform, the oil inlet pipe is vertical with protruding shaft platform axis to be set
It sets, oil inlet pipe is connected to oil storage cabin, and the oil inlet pipe outer end is provided with sealing cover, on the end face that the protruding shaft platform is connect with axle journal
Side is evenly arranged with oil filter hole, the oil filter hole and oil inlet pipe side wall cross connection；Oil strain slot is provided on the axle journal, it is described
Oil strain slot is arranged on axle journal in the shape of a spiral, and protruding shaft platform outer end is fixedly installed connecting plate.
2. Rocker arm shaft structure according to claim 1, it is characterised in that: the connecting plate is symmetrical above and below to be provided with fixed spiral shell
Keyhole.
3. Rocker arm shaft structure according to claim 1, it is characterised in that: the oil inlet pipe apical lateral is provided with outer spiral shell
Line, the sealing cover are threadedly coupled with oil inlet pipe.
4. Rocker arm shaft structure according to claim 1, it is characterised in that: be filled with ball in the oil strain slot.
5. Rocker arm shaft structure according to claim 4, it is characterised in that: the ball is embedded in oil strain slot and in oil strain
It is rolled in slot, oil strain slot limits ball in the displacement along axle journal in the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449907.6U CN209293870U (en) | 2018-09-05 | 2018-09-05 | A kind of Rocker arm shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449907.6U CN209293870U (en) | 2018-09-05 | 2018-09-05 | A kind of Rocker arm shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293870U true CN209293870U (en) | 2019-08-23 |
Family
ID=67652396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821449907.6U Expired - Fee Related CN209293870U (en) | 2018-09-05 | 2018-09-05 | A kind of Rocker arm shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293870U (en) |
-
2018
- 2018-09-05 CN CN201821449907.6U patent/CN209293870U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20200905 |