CN205101058U - Valve timing mechanism of motorcycle engine - Google Patents
Valve timing mechanism of motorcycle engine Download PDFInfo
- Publication number
- CN205101058U CN205101058U CN201520875546.1U CN201520875546U CN205101058U CN 205101058 U CN205101058 U CN 205101058U CN 201520875546 U CN201520875546 U CN 201520875546U CN 205101058 U CN205101058 U CN 205101058U
- Authority
- CN
- China
- Prior art keywords
- push rod
- camshaft
- valve rocker
- exhaust
- cam
- 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
Links
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 238000012856 packing Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 40
- 239000000314 lubricant Substances 0.000 description 9
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model provides a valve timing mechanism of motorcycle engine, includes the camshaft, is equipped with the cam on the camshaft, and the both sides of cam are equipped with a push rod respectively, and the push rod is connected with valve rocker, and the push rod is the camber and rotates setting up on the connecting axle, and the connecting axle is fixed to be set up on the box, the camshaft both ends are the bearing installation department, are equipped with the oil duct in the camshaft, and the surface of bearing installation department is equipped with annular oil groove, is equipped with the oilhole between annular oil groove and the oil duct, and the opening of oilhole is located annular oil groove. The utility model discloses a push rod is the arc and rotate sets up on the connecting axle, receives using the connecting axle as pivot rotation when the cam promotes to can drive valve rocker and take place the displacement, open or close (air) intake valve and exhaust valve, simple structure and stability are good, have fine lubricated effect simultaneously.
Description
Technical field
The utility model relates to a kind of air distributing mechanism of engine for motorcycle.
Background technique
In existing motor engine gas distribution system, camshaft is provided with a cam, an air inlet lower shake-changing arm promoted by cam and exhaust lower shake-changing arm are set respectively in these cam both sides, air inlet push rod and exhaust jacking rod is promoted respectively again by air inlet lower shake-changing arm and exhaust lower shake-changing arm, and then promote air inlet upper rocker arm and exhaust upper rocker arm by air inlet push rod and exhaust jacking rod again, finally drive intake valve and exhauxt valve opens by air inlet upper rocker arm and exhaust upper rocker arm.The air distribution structure of this structural type is complicated, less stable.
Model utility content
The purpose of this utility model is to provide a kind of structure simple and the good air distributing mechanism of engine for motorcycle of stability.
The purpose of this utility model realizes like this, a kind of air distributing mechanism of engine for motorcycle, comprise camshaft, camshaft is provided with cam, and the both sides of camshaft are respectively equipped with a push rod, the upper end of push rod is connected with valve by valve rocker, lower end is connected with cam contact, and push rod is camber and rotates to be arranged on coupling shaft, and coupling shaft is fixedly installed on casing; Camshaft two ends are axle bearing mount portion, are provided with oil duct in camshaft, and the outer surface of axle bearing mount portion is provided with annular oil groove, is provided with oilhole between annular oil groove and oil duct.Cam axle, cam promotes push rod, and push rod take coupling shaft as fulcrum, and then drives valve rocker to be subjected to displacement, thus drives valve-closing or open.Lubricant oil arrives in the annular oil groove of the outer surface of axle bearing mount portion by oilhole from oil duct, lubricant oil is along with the rotation annularly oil groove flowing of camshaft, and add the waiting time on lubricant oil camshaft surface, parts of lubricating oil can flow back to oil duct by oilhole simultaneously.
Push rod is provided with attachment hole, and push rod is located on coupling shaft by attachment hole.
In order to reduce component wear, between attachment hole and coupling shaft, be provided with packing ring.
Rocking arm comprises inlet valve rocker and exhaust valve rocker arm, valve comprises intake valve and exhaust valve, push rod comprises inlet push rod and exhaust push rod; rocking arm comprises inlet valve rocker and exhaust valve rocker arm; the push rod of camshaft side is inlet push rod; its upper end is connected with intake valve by inlet valve rocker, and the push rod of camshaft opposite side is exhaust push rod, and its upper end is connected with exhaust valve by exhaust valve rocker arm.Cam axle, cam promotes inlet push rod and is subjected to displacement, and inlet push rod take coupling shaft as fulcrum, and inlet push rod upper end promotes inlet valve rocker and is subjected to displacement, and drives intake valve to open; Camshaft is rotated further, and cam turns over inlet push rod, and inlet push rod is that fulcrum turns round with coupling shaft, and inlet push rod upper end drives inlet valve rocker travelling backwards, IC Intake Valve Closes; Meanwhile, cam promotes exhaust push rod and is subjected to displacement, exhaust push rod upper end promotes exhaust valve rocker arm and is subjected to displacement, exhaust valve is opened, and camshaft is rotated further, and cam turns over exhaust push rod, exhaust push rod is that fulcrum turns round with coupling shaft, exhaust push rod upper end drives exhaust valve rocker arm travelling backwards, and exhaust valve closing, so circulates.
In order to improve the stability of structure further, inlet valve rocker and exhaust valve rocker arm are arranged on pitman arm shaft, and pitman arm shaft is fixedly installed on casing.
Inlet valve rocker and exhaust valve rocker arm rotate and are arranged on pitman arm shaft.
Inlet valve rocker and exhaust valve rocker arm are equipped with rocking arm hole, and inlet valve rocker and exhaust valve rocker arm are located on pitman arm shaft respectively by rocking arm hole.
In order to reduce wear, between rocking arm hole and pitman arm shaft, be provided with packing ring.
In order to improve the lubrication effect to cam, the camshaft at cam place is circumferentially provided with annular oil groove, is provided with oilhole between annular oil groove and oil duct.
The utility model has following beneficial effect:
1, inlet push rod of the present utility model and exhaust push rod are designed to arc and rotate arrange
On coupling shaft, being subject to push rod when cam promotes take coupling shaft as fulcrum, thus valve rocker can be driven to be subjected to displacement, and then opens or closes intake valve and exhaust valve, and structure is simple, good stability.
2, the lubricant oil in camshaft of the present utility model arrives in the annular oil groove of the outer surface of axle bearing mount portion by oilhole from oil duct, lubricant oil is along with the rotation annularly oil groove flowing of camshaft, axle bearing mount portion is lubricated, parts of lubricating oil can flow back to oil duct by oilhole simultaneously, the setting of annular oil groove adds the waiting time on lubricant oil camshaft surface, not only increase lubrication effect, and decrease the loss of lubricant oil.
3. the utility model is easy to processing, and cost is low, long service life.
Accompanying drawing explanation
Fig. 1 is the utility model air distributing mechanism of engine for motorcycle structural representation.
Fig. 2 is the camshaft structure schematic diagram in the utility model air distributing mechanism of engine for motorcycle.
Fig. 3 is the sectional view of Fig. 2.
In figure, 1. camshaft, 2. cam, 3. push rod, 4. valve rocker, 5. coupling shaft, 6. valve, 7. annular oil groove, 8. oil duct, 9. oilhole.
Embodiment
Embodiment, a kind of air distributing mechanism of engine for motorcycle, see Fig. 1, comprise camshaft 1, camshaft 1 is provided with cam 2, the both sides of camshaft 1 are respectively equipped with a push rod 3, push rod 3 upper end is connected with valve 6 by valve rocker 4, and lower end contacts with cam 2 and connects, and valve rocker 4 is connected with valve 6, push rod 3 is for camber and rotation is arranged on coupling shaft 5, and coupling shaft 5 is fixedly installed on casing; See Fig. 2 and Fig. 3, camshaft 1 two ends are axle bearing mount portion, are provided with oil duct 8 in camshaft 1, and the outer surface of axle bearing mount portion is provided with annular oil groove 7, is provided with oilhole 9 between annular oil groove 7 and oil duct 8, and the opening of oilhole 9 is positioned at annular oil groove 7.The camshaft 1 at cam 2 place is circumferentially also provided with annular oil groove 7, is also provided with oilhole 9 between annular oil groove 7 and oil duct 8.
Push rod 3 is provided with attachment hole, and push rod 3 is located on coupling shaft 5 by attachment hole.
Packing ring is provided with between attachment hole and coupling shaft 5.
Valve 6 comprises intake valve and exhaust valve, and push rod 3 comprises inlet push rod and exhaust push rod, and valve rocker 4 comprises inlet valve rocker and exhaust valve rocker arm.The push rod 3 of camshaft 1 side is inlet push rod, and its upper end is connected with inlet valve rocker, and lower end contacts with cam 2 and connects, and the push rod 3 of camshaft 1 opposite side is exhaust push rod, and its upper end is connected with exhaust valve rocker arm, and lower end contacts with cam 2 and connects.
Inlet valve rocker and exhaust valve rocker arm are all arranged on pitman arm shaft (not shown in FIG.).
Pitman arm shaft is fixedly installed on engine housing, and inlet valve rocker and exhaust valve rocker arm rotate and be arranged on pitman arm shaft.
Inlet valve rocker and exhaust valve rocker arm are equipped with rocking arm hole, and inlet valve rocker and exhaust valve rocker arm are located on pitman arm shaft respectively by rocking arm hole.
Packing ring is provided with between rocking arm hole and pitman arm shaft.
During engine operation, camshaft 1 rotates, and cam 2 promotes inlet push rod and is subjected to displacement, and inlet push rod is with coupling shaft 5 for fulcrum, and inlet push rod upper end promotes inlet valve rocker and occurs to move, and drives intake valve to open; Camshaft 1 is rotated further, and cam 2 turns over inlet push rod, turns to exhaust push rod, and inlet push rod is that fulcrum turns round with coupling shaft, and inlet push rod upper end drives inlet valve rocker travelling backwards, IC Intake Valve Closes; Meanwhile, cam 2 forwards exhaust push rod to, promotes exhaust push rod and is subjected to displacement, and exhaust push rod upper end promotes exhaust valve rocker arm and occurs to move, exhaust valve is opened, camshaft 1 is rotated further, and cam 2 turns over exhaust push rod, turns to inlet push rod, exhaust push rod with coupling shaft 5 for fulcrum revolution, exhaust push rod upper end drives exhaust valve rocker arm travelling backwards, and exhaust valve closing, so circulates.Lubricant oil arrives the outer surface of axle bearing mount portion by oilhole 9 annular oil groove 7 from oil duct 8 is interior with in the annular oil groove 7 of cam 2 outer surface, lubricant oil along with camshaft 1 rotation annularly oil groove 7 flow, lubricate axle bearing mount portion and cam 2, parts of lubricating oil can flow back to oil duct 8 by oilhole 9 simultaneously.
The utility model air distributing mechanism of engine for motorcycle not only structure is simple, good stability, and has good lubrication effect, and easy processing, cost is low, long service life.
Claims (8)
1. an air distributing mechanism of engine for motorcycle, comprise camshaft (1), described camshaft (1) is provided with cam (2), the both sides of described camshaft (1) are respectively equipped with push rod (3), the upper end of described push rod (3) is connected with valve (6) by valve rocker (4), lower end contacts with cam (2) place and connects, and it is characterized in that: described push rod (3) is for camber and rotation is arranged on coupling shaft (5), and described coupling shaft (5) is fixedly installed on casing; Described camshaft (1) two ends are axle bearing mount portion, are provided with oil duct (8) in camshaft (1), and the outer surface of described axle bearing mount portion is provided with annular oil groove (7), is provided with oilhole (9) between described annular oil groove (7) and oil duct (8).
2. air distributing mechanism of engine for motorcycle as claimed in claim 1, it is characterized in that: described push rod is provided with attachment hole, described push rod (3) is located on coupling shaft (5) by described attachment hole.
3. air distributing mechanism of engine for motorcycle as claimed in claim 2, is characterized in that: be provided with packing ring between described attachment hole and coupling shaft (5).
4. the air distributing mechanism of engine for motorcycle as described in any one of claim 1-3, it is characterized in that: described push rod (3) comprises inlet push rod and exhaust push rod, described valve rocker (4) comprises inlet valve rocker and exhaust valve rocker arm, described valve (6) comprises intake valve and exhaust valve, the push rod (3) of described camshaft (1) side is inlet push rod, its upper end is connected with intake valve by inlet valve rocker, the push rod (3) of described camshaft (1) opposite side is exhaust push rod, and its upper end is connected with exhaust valve by exhaust valve rocker arm.
5. air distributing mechanism of engine for motorcycle as claimed in claim 4, is characterized in that: described inlet valve rocker and exhaust valve rocker arm rotate and be arranged on pitman arm shaft, and described pitman arm shaft is fixedly installed on casing.
6. air distributing mechanism of engine for motorcycle as claimed in claim 5, it is characterized in that: described inlet valve rocker and exhaust valve rocker arm are equipped with rocking arm hole, described inlet valve rocker and exhaust valve rocker arm are located on pitman arm shaft respectively by rocking arm hole.
7. air distributing mechanism of engine for motorcycle as claimed in claim 6, is characterized in that: be provided with packing ring between described rocking arm hole and pitman arm shaft.
8. air distributing mechanism of engine for motorcycle as claimed in claim 1 or 2, is characterized in that: camshaft (1) outer surface at described cam (2) place is provided with annular oil groove (7), is provided with oilhole (9) between described annular oil groove (7) and oil duct (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875546.1U CN205101058U (en) | 2015-11-05 | 2015-11-05 | Valve timing mechanism of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875546.1U CN205101058U (en) | 2015-11-05 | 2015-11-05 | Valve timing mechanism of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101058U true CN205101058U (en) | 2016-03-23 |
Family
ID=55516842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520875546.1U Expired - Fee Related CN205101058U (en) | 2015-11-05 | 2015-11-05 | Valve timing mechanism of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221197A (en) * | 2015-11-05 | 2016-01-06 | 重庆驰龙摩托车配件有限公司 | A kind of air distributing mechanism of engine for motorcycle |
-
2015
- 2015-11-05 CN CN201520875546.1U patent/CN205101058U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221197A (en) * | 2015-11-05 | 2016-01-06 | 重庆驰龙摩托车配件有限公司 | A kind of air distributing mechanism of engine for motorcycle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202611778U (en) | Positioning structure for gasoline engine turbocharger bearing | |
| CN205101058U (en) | Valve timing mechanism of motorcycle engine | |
| CN201461013U (en) | Internal-combustion engine rocker assembly | |
| CN205101059U (en) | Valve timing mechanism of motorcycle engine | |
| CN205089392U (en) | Valve timing mechanism of motorcycle engine | |
| CN105221199A (en) | A kind of air distributing mechanism of engine for motorcycle | |
| CN205089386U (en) | Valve timing mechanism of motorcycle engine | |
| CN202031669U (en) | Valve rocker shaft seat | |
| CN205101057U (en) | Motorcycle engine double cam valve timing mechanism | |
| CN105221197A (en) | A kind of air distributing mechanism of engine for motorcycle | |
| CN205089385U (en) | Motorcycle engine double cam valve timing mechanism | |
| CN205089387U (en) | Valve timing mechanism of motorcycle engine | |
| CN205089393U (en) | Motorcycle engine double cam valve timing mechanism | |
| CN204691848U (en) | A kind of engine housing lubricating oil path | |
| CN201891577U (en) | Closed type oil pumping structure of compressor | |
| CN204163780U (en) | A kind of automobile rocker | |
| CN205089396U (en) | Valve timing mechanism of motorcycle engine | |
| CN105221196A (en) | A kind of air distributing mechanism of engine for motorcycle | |
| CN202991160U (en) | Laterally-arranged camshaft engine valve mechanism orientational roller tappet | |
| CN201202508Y (en) | 1.3 L double-overhead 16 air valve petrol engine admission cam shaft | |
| CN2685575Y (en) | Cooling and lubricating structure for internal combustion engine swinging arm supporter | |
| CN201635784U (en) | Orientating tappet of engine | |
| CN205089390U (en) | Motorcycle engine camshaft structure | |
| CN105221198A (en) | A kind of motorcycle engine double-cam distribution device | |
| CN104329134A (en) | Gas distribution mechanism of general engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160323 |