CN200996302Y - Distributing mechanism of vertical single-cylinder diesel engine - Google Patents
Distributing mechanism of vertical single-cylinder diesel engine Download PDFInfo
- Publication number
- CN200996302Y CN200996302Y CN 200620155688 CN200620155688U CN200996302Y CN 200996302 Y CN200996302 Y CN 200996302Y CN 200620155688 CN200620155688 CN 200620155688 CN 200620155688 U CN200620155688 U CN 200620155688U CN 200996302 Y CN200996302 Y CN 200996302Y
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- China
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- cam
- exhaust
- intake
- rocker arm
- push rod
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- Expired - Fee Related
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Abstract
The utility model discloses an admission gear for vertical single-cylinder diesel engines that comprises a timing gear (2), an admission cam (3) and an exhaust cam (4). The timing gear (2), the admission cam (3) and the exhaust cam (4) are all mounted on the cam shaft (4). A drive arm (5) is arranged outside the admission cam (3) and the exhaust cam (4) respectively, and corresponds to the admission cam (3) and the exhaust cam (4) respectively. The other end of the two drive arms (5) is provided with a push rod (6) respectively. The terminal of one push rod (6) is equipped with an admission rocker arm (7) and an intake valve component (8) that correspond to the admission cam (3) in turn, and the terminal of the other push rod (6) is equipped with an exhaust rocker arm (9) and an exhaust valve component (10) that correspond to the exhaust cam (4). The utility model is characterized in that a rocker arm shaft (11) is arranged between the intake rocker arm (7) and the exhaust rocker arm (9), and the axial line of the rocker arm shaft (11) is vertical to the axial line of the cam shaft (1).
Description
Technical field
The utility model relates to a kind of distribution device of internal-combustion engine, is the distribution device that a kind of vertical type single-cylinder diesel engine is used specifically.
Background technique
At present, the distribution device that common vertical type single-cylinder diesel engine is used on the market, the line of centres of its inlet and outlet door assembly and the shaft axis of camshaft spatially be arranged in parallel, promptly intake valve, exhaust valve and inlet and outlet cam all along with the direction of camshaft axle center line parallel before and after layout.Yet, there are following 2 deficiencys in actual use in the distribution device of this structure: first, because two valve assemblies and camshaft are arranged in parallel, cause intake rocker and exhaust rocker arm different in size, the rocking arm ratio can not be unified, and, the bracketed part of long rocking arm need be provided with the turning, complex structure, rigidity is poor, whole movement locus complexity; The second, the rocking arm that front and back are arranged, the cantilever of its long rocking arm is longer, and rotary inertia is big, is unfavorable for improving the design speed of diesel engine.Therefore, existing vertical type single-cylinder diesel engine, its distribution device have hindered the raising of machine overall performance greatly.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple and compact for structure, effectively strengthen the rigidity of mechanism and reduce the vertical type single-cylinder diesel engine distribution device of rotary inertia.
Goal of the invention of the present utility model is achieved in that a kind of vertical type single-cylinder diesel engine distribution device, comprise the timing gear that are loaded on jointly on the camshaft, intake cam and exhaust cam, intake cam and exhaust cam are respectively equipped with associated driving arm outward, the other end of two driving arms is provided with a push rod separately, wherein the end of a push rod is provided with and corresponding intake rocker of intake cam and intake valve assembly in turn, the end of another push rod is provided with and corresponding exhaust rocker arm of exhaust cam and exhaust valve assemblies successively, it is characterized in that: be provided with the axis pitman arm shaft vertical with the camshaft axis between described intake rocker and the exhaust rocker arm.
Described pitman arm shaft is provided with the rocker arm bracket that is used for fixing pitman arm shaft.
The utility model improves with distribution device the vertical type single-cylinder diesel engine of prior art, be provided with the axis pitman arm shaft vertical between intake rocker and the exhaust rocker arm, realize that the inlet and outlet rocking arm does not have corner structure, the length unanimity; rocking arm is than unified, and is simple and compact for structure with the camshaft axis.Simultaneously, rocker arm bracket changes the supporting of single shaft symmetry into from the asymmetric supporting of twin shaft, has shortened the length of inlet and outlet rocking arms greatly, effectively strengthens the rigidity of mechanism and reduces rotary inertia, is beneficial to the design speed and the complete machine performance that improve diesel engine.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model most preferred embodiment.
Accompanying drawing 2 is the structural representation that the utility model send, exhaust rocker arm is connected with pitman arm shaft.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
According to shown in Figure 1, the utility model vertical type single-cylinder diesel engine distribution device, comprise timing gear 2, intake cam 3 and exhaust cam 4, timing gear 2, intake cam 3 and exhaust cam 4 are loaded on the camshaft 1 successively, and timing gear 2 can drive intake cam 3 and exhaust cam 4 runnings by extraneous gear drive.Be respectively equipped with associated driving arm 5 outside intake cam 3 and the exhaust cam 4, the other end of two driving arms 5 is provided with a push rod 6 separately, two push rods 6 by driving arm 5 respectively with advance, exhaust cam 3,4 motions that match, and, wherein the end of a push rod 6 is provided with intake rocker 7 and intake valve assembly 8 in turn, the end of another push rod 6 then is provided with exhaust rocker arm 9 and exhaust valve assemblies 10 in turn, the swing of intake rocker 7 realizes corresponding with the rotation of intake cam 3 by the power transfer function of driving arm 5 and push rod 6, in like manner, the swing of exhaust rocker arm 9 is then corresponding with the rotation of exhaust cam 4.And in order to overcome the deficiency of existing vertical type single-cylinder diesel engine distribution device, between intake rocker 7 and exhaust rocker arm 9, be provided with the pitman arm shaft 11 of axis and camshaft 1 axis normal; pitman arm shaft 11 is provided with the rocker arm bracket 12 that is used for fixing pitman arm shaft 11; realize that inlet and outlet rocking arm 7,9 is provided with along about camshaft 1 axial direction, as shown in Figure 2.When mechanism works, timing gear 2 drive intake cam 3 and exhaust cam 4 rotates, two cams make driving arm 5 action and jack-up two push rods 6 respectively, and then drive inlet and outlet rocking arm 7,9 around pitman arm shaft 11 swings, inlet and outlet rocking arm 7,9 is depressed corresponding valve assembly respectively, make it do straight line motion up and down, realize the distribution action of diesel engine.During this time, the distribution device of this structure, inlet and outlet rocking arm 7,9 length unanimities, rocking arm is than unified, and is simple and compact for structure, and effectively strengthens the rigidity of mechanism and reduce rotary inertia, is beneficial to the raising of Diesel Engine Complete Machine performance.
Claims (2)
1. vertical type single-cylinder diesel engine distribution device, comprise the timing gear (2) that are loaded on jointly on the camshaft (1), intake cam (3) and exhaust cam (4), the outer associated driving arm (5) that is respectively equipped with of intake cam (3) and exhaust cam (4), the other end of two driving arms (5) is provided with a push rod (6) separately, wherein the end of a push rod (6) is provided with and corresponding intake rocker of intake cam (3) (7) and intake valve assembly (8) in turn, the end of another push rod (6) is provided with and corresponding exhaust rocker arm of exhaust cam (4) (9) and exhaust valve assemblies (10) successively, it is characterized in that: the pitman arm shaft (11) that is provided with axis and camshaft (1) axis normal between described intake rocker (7) and the exhaust rocker arm (9).
2. according to the described vertical type single-cylinder diesel engine distribution device of claim 1, it is characterized in that: described pitman arm shaft (11) is provided with the rocker arm bracket (12) that is used for fixing pitman arm shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620155688 CN200996302Y (en) | 2006-12-31 | 2006-12-31 | Distributing mechanism of vertical single-cylinder diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620155688 CN200996302Y (en) | 2006-12-31 | 2006-12-31 | Distributing mechanism of vertical single-cylinder diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200996302Y true CN200996302Y (en) | 2007-12-26 |
Family
ID=38994732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620155688 Expired - Fee Related CN200996302Y (en) | 2006-12-31 | 2006-12-31 | Distributing mechanism of vertical single-cylinder diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200996302Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581239B (en) * | 2008-05-13 | 2013-05-15 | 麦加戴恩公共有限公司 | Valve driving system |
-
2006
- 2006-12-31 CN CN 200620155688 patent/CN200996302Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581239B (en) * | 2008-05-13 | 2013-05-15 | 麦加戴恩公共有限公司 | Valve driving system |
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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 |
Granted publication date: 20071226 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |