CN205477814U - Motorcycle engine timing lubricating structure of system - Google Patents
Motorcycle engine timing lubricating structure of system Download PDFInfo
- Publication number
- CN205477814U CN205477814U CN201620235886.2U CN201620235886U CN205477814U CN 205477814 U CN205477814 U CN 205477814U CN 201620235886 U CN201620235886 U CN 201620235886U CN 205477814 U CN205477814 U CN 205477814U
- Authority
- CN
- China
- Prior art keywords
- camshaft
- oil
- copper sheathing
- timing
- drain path
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a motorcycle engine timing lubricating structure of system, including camshaft, right time copper sheathing, cam and timing gear, the axial drain channel that is equipped with two radial draining holes and sets up along the camshaft center on the camshaft, drain channel only forms the blind hole that exports for one end, and two draining holes and drain channel link up each other, draining hole one end and drain channel have a perfect understanding, the other end vertical downwards and the lower surface of camshaft have a perfect understanding, drain channel 's export is located keeps away from machine oil on the camshaft and begins to get into that end of pump oil groove most. This structural change camshaft in right time draining orientation prevents that lubricating oil from just flowing into in the right time copper sheathing from the draining hole yet to miss, and burr that the processing chamfer produced is reduced to copper sheathing scratch in right time when the operation in two the draining holes in cancellation top, improves the greasy property of system greatly from this.
Description
Technical field
This utility model relates to motorcycle engine, particularly relates to a kind of motorcycle engine timing system lubrication system being favorably improved greasy property, belongs to field of engine lubrication technology.
Background technology
Engine timing system is the important component part of engine air distribution system, by with the connection of bent axle coordinate certain gear ratio to ensure the accurate of inlet and outlet time.Motorcycle engine timing system includes camshaft, cam and timing gears (sprocket wheel), and cam sleeve is on camshaft, and timing gears are arranged on cam by collar.In cam endoporus setting-in be provided with timing copper sheathing, during work, timing gears, cam and copper sheathing as an entirety around cam axle.As the high-speed moving part on electromotor, the lubrication of timing system is essential.For realizing effectively lubricating, it is provided with spiral pump oil groove at copper sheathing inwall, camshaft 1 is provided with two oil leak hole 11 radially and along the centrally disposed axial drain path 12 of camshaft, camshaft 1 surface is all run through at oil leak hole 11 two ends, drain path 12 is blind hole, the most only one end is appeared camshaft end face and is formed outlet, and two oil leak hole 11 and drain path 12 are mutually communicated.Under the pumping of lubricating oil pump, machine oil enters timing chamber from cylinder head and arrives camshaft surface, enters between copper sheathing and camshaft then as rotating through helicla flute, is lubricated both faying faces, enter axial passage by radially oil leak hole subsequently, and flow out from axial passage outlet.
As seen in Figure 1, the outlet of existing drain path is positioned on camshaft machine oil and most initially enters that end of helicla flute, so deficiency of design is, after machine oil enters helicla flute, arrive first at first oil leak hole, now major part machine oil often enters drain path by first oil leak hole and flows out from outlet, existence due to the first oil leak hole, really arrive the less of the second oil leak hole, i.e. most of lubricating oil does not flows through timing copper sheathing surface and leaks the most in advance, second oil leak hole arranges purpose and can not play very well, thus causes the lubrication illustrating left end poor.
Utility model content
For deficiencies of the prior art, the purpose of this utility model is to provide a kind of motorcycle engine timing system lubrication system, and this lubrication system can improve timing system greasy property.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Motorcycle engine timing system lubrication system, including camshaft, timing copper sheathing, cam and timing gears, it is provided with spiral pump oil groove at timing copper sheathing inwall, camshaft is provided with two oil leak hole radially and along the centrally disposed axial drain path of camshaft, drain path is only one end and forms the blind hole of outlet, and two oil leak hole and drain path are mutually communicated；Being improved by of this lubrication system, described oil leak hole one end is through with drain path, and the other end is through with the lowest part surface of camshaft straight down；The outlet of drain path is positioned on camshaft and most initially enters that end of pump oil groove away from machine oil.
Being provided with fuel feed hole radially near pump oil groove oil inlet end on camshaft, fuel feed hole one end is through with drain path, and the other end is through with the highest point surface of camshaft straight up.A part of lubricating oil is in addition to entering between camshaft and copper sheathing by pump oil groove, major part directly enters drain path by fuel feed hole, lubricating oil can be made to arrive two oil leak hole by drain path as early as possible, thus realize more rapid between camshaft and copper sheathing and uniform lubrication.
Described timing copper sheathing is constituted by two sections, and the gap between two sections constitutes oil storage tank.By oil storage tank, the lubricant effect between camshaft and copper sheathing can be improved further.
Compared to existing technology, this utility model has the advantages that
1, this structure is owing to drain path outlet is away from oil inlet end, therefore be prevented from when lubricating oil flows in timing copper sheathing the most comprehensively just missing from drain path outlet, between effective increase camshaft and copper sheathing, the formation of oil film, improves lubricant effect, it is to avoid friction causes copper sheathing to wear and tear.
2, to change the oil leak hole of two up/down perforations into only lower end through for this structure, be equivalent to two oil leak hole above cancellation, oil leak hole below only retaining, so can reduce the scratch in the running to timing copper sheathing of burr that chamfering produces, thus be prevented effectively from friction and cause copper sheathing to wear and tear.Additionally, owing to top two oil leak hole physical presence has little significance, even if because organic oil arrives drain path by oil leak hole above this, also it is only little amount, and the machine oil now by fuel feed hole, drain path arrives lower section oil leak hole early, and flowed out between arrival camshaft and copper sheathing by lower section oil leak hole, so, above cancellation, overall greasy property is not affected by oil leak hole.
Accompanying drawing explanation
Fig. 1-existing camshaft structure schematic diagram.
Fig. 2-this utility model camshaft structure schematic diagram.
Fig. 3-this utility model motorcycle engine timing system lubrication system schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
See Fig. 2 and Fig. 3, can be seen that from figure, this utility model motorcycle engine timing system lubrication system, including camshaft 1, timing copper sheathing 2, cam 3 and timing gears 4, cam 3 is enclosed within camshaft 1, and timing gears 4 are arranged on cam 3 by collar, and timing copper sheathing 2 is flush-mounted in cam 3 endoporus, during work, timing gears 4, cam 3 and copper sheathing 2 rotate around camshaft 1 as an entirety.It is provided with spiral pump oil groove at timing copper sheathing inwall, camshaft 1 is provided with two oil leak hole 1 radially and along the centrally disposed axial drain path 12 of camshaft, drain path 12 is only one end and forms the blind hole of outlet, and two oil leak hole 11 and drain path 12 are mutually communicated.Being improved by of this lubrication system, described oil leak hole 11 one end is through with drain path 12, and the other end is through with the lowest part surface of camshaft straight down.The outlet of drain path is positioned on camshaft and most initially enters that end of pump oil groove away from machine oil.
This structure exports away from oil inlet end due to drain path, therefore machine oil is during import is flowed out to outlet, nature can lubricate the whole surface of copper sheathing, it is prevented from when lubricating oil flows in timing copper sheathing the most comprehensively just missing from drain path outlet, the formation of oil film between effective increase camshaft and copper sheathing, improve lubricant effect, it is to avoid friction causes copper sheathing to wear and tear.
Additionally, it is through that this structure changes the oil leak hole of two up/down perforations into only lower end, be equivalent to two oil leak hole above cancellation, oil leak hole below only retaining, see Fig. 1 and Fig. 2 comparison, so can reduce the burr scratch to timing copper sheathing in the running that chamfering produces, thus be prevented effectively from friction and cause copper sheathing to wear and tear.Additionally, owing to top two oil leak hole physical presence has little significance, even if because organic oil arrives drain path by oil leak hole above this, also it is only little amount, and the machine oil now by fuel feed hole, drain path arrives lower section oil leak hole early, and flowed out between arrival camshaft and copper sheathing by lower section oil leak hole, so, above cancellation, overall greasy property is not affected by oil leak hole.
In order to improve lubricant effect further, being provided with fuel feed hole 13 radially near pump oil groove oil inlet end on camshaft 1, fuel feed hole 13 is positioned at outside cam 3, and fuel feed hole 13 one end is through with drain path 12, and the other end is through with the highest point surface of camshaft straight up.A part of lubricating oil is in addition to entering between camshaft and copper sheathing by pump oil groove, major part directly enters drain path 12 by fuel feed hole 13, lubricating oil can be made to arrive two oil leak hole 11 by drain path 12 as early as possible, thus realize more rapid between camshaft and copper sheathing and uniform lubrication.
Seeing Fig. 3, described timing copper sheathing 2 is made up of two sections, left and right, and the gap between two sections constitutes oil storage tank 21.Oil storage tank can store a large amount of machine oil, by oil storage tank, can improve the lubricant effect between camshaft and copper sheathing further.Meanwhile, for such structure compares whole section of copper sheathing, more convenient installation, copper sheathing self-strength also improves.
This structural change timing camshaft drainage direction, prevent lubricating oil from just missing from oil leak hole in also not flowing into timing copper sheathing, two oil leak hole above cancellation, the burr that minimizing chamfering produces, in the running to timing copper sheathing scratch, is thus greatly improved the greasy property of system.
Above-described embodiment of the present utility model is only for this utility model example is described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, change and the variation of other multi-forms can also be made on the basis of the above description.Here cannot all of embodiment be given exhaustive.Every belong to obvious change that the technical solution of the utility model amplified out or the variation row still in protection domain of the present utility model.
Claims (3)
1. motorcycle engine timing system lubrication system, including camshaft, timing copper sheathing, cam and timing gears, it is provided with spiral pump oil groove at timing copper sheathing inwall, camshaft is provided with two oil leak hole radially and along the centrally disposed axial drain path of camshaft, drain path is only one end and forms the blind hole of outlet, and two oil leak hole and drain path are mutually communicated；It is characterized in that: described oil leak hole one end is through with drain path, the other end is through with the lowest part surface of camshaft straight down；The outlet of drain path is positioned on camshaft and most initially enters that end of pump oil groove away from machine oil.
Motorcycle engine timing system lubrication system the most according to claim 1, it is characterized in that: on camshaft, be provided with fuel feed hole radially near pump oil groove oil inlet end, fuel feed hole one end is through with drain path, and the other end is through with the highest point surface of camshaft straight up.
Motorcycle engine timing system lubrication system the most according to claim 1, it is characterised in that: described timing copper sheathing is constituted by two sections, and the gap between two sections constitutes oil storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620235886.2U CN205477814U (en) | 2016-03-25 | 2016-03-25 | Motorcycle engine timing lubricating structure of system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620235886.2U CN205477814U (en) | 2016-03-25 | 2016-03-25 | Motorcycle engine timing lubricating structure of system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477814U true CN205477814U (en) | 2016-08-17 |
Family
ID=56651699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620235886.2U Withdrawn - After Issue CN205477814U (en) | 2016-03-25 | 2016-03-25 | Motorcycle engine timing lubricating structure of system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205477814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649709A (en) * | 2016-03-25 | 2016-06-08 | 力帆实业(集团)股份有限公司 | Lubricating structure of motorcycle engine timing system |
-
2016
- 2016-03-25 CN CN201620235886.2U patent/CN205477814U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649709A (en) * | 2016-03-25 | 2016-06-08 | 力帆实业(集团)股份有限公司 | Lubricating structure of motorcycle engine timing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20180216 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20180216 |